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c0c1d737ac
firefox/firefox-2.0-pango-printing.patch
Christopher Aillon 0fff8f4a1d Update patch for visibility wrapping; need to wrap pango/pangoft2.h and 
freetype/t1tables.h
2006-10-26 16:27:12 +00:00

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Patch for Firefox 1.5.0.7 to add support for printing via Pango.
This also implements printing MathML via Pango, and prints bitmap
fonts too.
Authors:
Behdad Esfahbod
Chris Blizzard
Akira TAGOH
Index: gfx/src/freetype/nsFreeType.cpp
===================================================================
RCS file: /cvsroot/mozilla/gfx/src/freetype/nsFreeType.cpp,v
retrieving revision 1.28
diff -u -p -d -r1.28 nsFreeType.cpp
--- gfx/src/freetype/nsFreeType.cpp 13 Jul 2005 18:21:10 -0000 1.28
+++ gfx/src/freetype/nsFreeType.cpp 23 Oct 2006 17:37:09 -0000
@@ -123,6 +123,8 @@ FtFuncList nsFreeType2::FtFuncs [] = {
// #endif
{"FT_Get_First_Char", NS_FT2_OFFSET(nsFT_Get_First_Char), PR_FALSE},
{"FT_Get_Next_Char", NS_FT2_OFFSET(nsFT_Get_Next_Char), PR_FALSE},
+ {"FT_Has_PS_Glyph_Names", NS_FT2_OFFSET(nsFT_Has_PS_Glyph_Names), PR_FALSE},
+ {"FT_Get_Glyph_Name", NS_FT2_OFFSET(nsFT_Get_Glyph_Name), PR_TRUE},
{nsnull, 0, 0}
};
@@ -388,6 +390,22 @@ nsFreeType2::GetNextChar(FT_Face face, F
}
NS_IMETHODIMP
+nsFreeType2::HasPSGlyphNames(FT_Face face, FT_Int *result)
+{
+ // call the FreeType2 function via the function pointer
+ *result = nsFT_Has_PS_Glyph_Names(face);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFreeType2::GetGlyphName(FT_Face face, FT_UInt glyph_index, FT_Pointer buffer, FT_UInt buffer_max)
+{
+ // call the FreeType2 function via the function pointer
+ FT_Error error = nsFT_Get_Glyph_Name(face, glyph_index, buffer, buffer_max);
+ return error ? NS_ERROR_FAILURE : NS_OK;
+}
+
+NS_IMETHODIMP
nsFreeType2::SupportsExtFunc(PRBool *res)
{
*res = gHasExtFunc;
Index: gfx/src/freetype/nsFreeType.h
===================================================================
RCS file: /cvsroot/mozilla/gfx/src/freetype/nsFreeType.h,v
retrieving revision 1.18
diff -u -p -d -r1.18 nsFreeType.h
--- gfx/src/freetype/nsFreeType.h 1 May 2005 17:36:19 -0000 1.18
+++ gfx/src/freetype/nsFreeType.h 23 Oct 2006 17:37:09 -0000
@@ -52,6 +52,7 @@
#include FT_CACHE_H
#include FT_CACHE_IMAGE_H
#include FT_TRUETYPE_TABLES_H
+#include FT_TYPE1_TABLES_H
#include "nsIFreeType2.h"
typedef struct FT_FaceRec_* FT_Face;
@@ -138,6 +139,8 @@ typedef FT_Error (*FT_Glyph_To_Bitmap_t)
typedef FT_ULong (*FT_Get_First_Char_t)(FT_Face, FT_UInt*);
typedef FT_ULong (*FT_Get_Next_Char_t)(FT_Face, FT_ULong, FT_UInt*);
+typedef FT_Int (*FT_Has_PS_Glyph_Names_t)(FT_Face);
+typedef FT_Error (*FT_Get_Glyph_Name_t)(FT_Face, FT_UInt, FT_Pointer, FT_UInt);
class nsFreeTypeFace;
@@ -193,11 +196,13 @@ protected:
// #endif
FT_Get_First_Char_t nsFT_Get_First_Char;
FT_Get_Next_Char_t nsFT_Get_Next_Char;
+ FT_Has_PS_Glyph_Names_t nsFT_Has_PS_Glyph_Names;
+ FT_Get_Glyph_Name_t nsFT_Get_Glyph_Name;
// this array needs to be big enough to hold all the function pointers
// plus one extra for the null at the end
// #ifdef MOZ_SVG
- static FtFuncList FtFuncs[24];
+ static FtFuncList FtFuncs[28];
// #else
// static FtFuncList FtFuncs[20];
// #endif
Index: gfx/src/ps/Makefile.in
===================================================================
RCS file: /cvsroot/mozilla/gfx/src/ps/Makefile.in,v
retrieving revision 1.57.8.1
diff -d -u -p -r1.57.8.1 Makefile.in
--- gfx/src/ps/Makefile.in 17 Jun 2006 15:16:14 -0000 1.57.8.1
+++ gfx/src/ps/Makefile.in 24 Oct 2006 18:36:45 -0000
@@ -98,6 +98,15 @@ EXTRA_DSO_LDOPTS = \
$(MOZ_UNICHARUTIL_LIBS) \
$(NULL)
+ifdef MOZ_ENABLE_PANGO
+CPPSRCS += \
+ nsFontMetricsPSPango.cpp \
+ mozilla-ps-decoder.cpp
+EXTRA_DSO_LDOPTS += $(MOZ_PANGO_LIBS)
+CXXFLAGS += $(MOZ_PANGO_CFLAGS)
+CFLAGS += $(MOZ_PANGO_CFLAGS)
+endif
+
ifdef MOZ_ENABLE_XFT
EXTRA_DSO_LDOPTS += \
$(MOZ_XFT_LIBS) \
@@ -105,7 +114,7 @@ EXTRA_DSO_LDOPTS += \
$(NULL)
endif
-ifneq (,$(MOZ_ENABLE_FREETYPE2)$(MOZ_ENABLE_XFT))
+ifneq (,$(MOZ_ENABLE_FREETYPE2)$(MOZ_ENABLE_XFT)$(MOZ_ENABLE_PANGO))
CPPSRCS += \
nsType1.cpp \
$(NULL)
Index: gfx/src/ps/mozilla-ps-decoder.cpp
===================================================================
RCS file: gfx/src/ps/mozilla-ps-decoder.cpp
diff -N gfx/src/ps/mozilla-ps-decoder.cpp
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ gfx/src/ps/mozilla-ps-decoder.cpp 23 Oct 2006 17:37:10 -0000
@@ -0,0 +1,376 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:expandtab:shiftwidth=4:tabstop=4:
+ */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is Christopher Blizzard
+ * <blizzard@mozilla.org>. Portions created by the Initial Developer
+ * are Copyright (C) 2004 the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#define PANGO_ENABLE_BACKEND
+#define PANGO_ENABLE_ENGINE
+
+#include "mozilla-ps-decoder.h"
+#include <pango/pangofc-fontmap.h>
+#include <pango/pangofc-font.h>
+
+#include "nsString.h"
+#include "nsIPersistentProperties2.h"
+#include "nsNetUtil.h"
+#include "nsReadableUtils.h"
+#include "nsICharsetConverterManager.h"
+#include "nsICharRepresentable.h"
+#include "nsCompressedCharMap.h"
+
+#undef DEBUG_CUSTOM_ENCODER
+
+G_DEFINE_TYPE (MozillaPSDecoder, mozilla_ps_decoder, PANGO_TYPE_FC_DECODER)
+
+MozillaPSDecoder *mozilla_ps_decoder_new (void);
+
+static FcCharSet *mozilla_ps_decoder_get_charset (PangoFcDecoder *decoder,
+ PangoFcFont *fcfont);
+static PangoGlyph mozilla_ps_decoder_get_glyph (PangoFcDecoder *decoder,
+ PangoFcFont *fcfont,
+ guint32 wc);
+
+static PangoFcDecoder *mozilla_find_ps_decoder (FcPattern *pattern,
+ gpointer user_data);
+
+typedef struct _MozillaPSDecoderPrivate MozillaPSDecoderPrivate;
+
+#define MOZILLA_PS_DECODER_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), MOZILLA_TYPE_DECODER, MozillaPSDecoderPrivate))
+
+struct _MozillaPSDecoderPrivate {
+ char *family;
+ char *encoder;
+ char *cmap;
+ gboolean is_wide;
+ FcCharSet *charset;
+ nsCOMPtr<nsIUnicodeEncoder> uEncoder;
+};
+
+static nsICharsetConverterManager *gCharsetManager = NULL;
+
+static NS_DEFINE_CID(kCharsetConverterManagerCID,
+ NS_ICHARSETCONVERTERMANAGER_CID);
+
+// Hash tables that hold the custom encodings and custom cmaps used in
+// various fonts.
+static GHashTable *encoder_hash = NULL;
+static GHashTable *cmap_hash = NULL;
+static GHashTable *wide_hash = NULL;
+
+void
+mozilla_ps_decoder_init (MozillaPSDecoder *decoder)
+{
+}
+
+void
+mozilla_ps_decoder_class_init (MozillaPSDecoderClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS(klass);
+ PangoFcDecoderClass *parent_class = PANGO_FC_DECODER_CLASS (klass);
+
+ /* object_class->finalize = test_finalize; */
+
+ parent_class->get_charset = mozilla_ps_decoder_get_charset;
+ parent_class->get_glyph = mozilla_ps_decoder_get_glyph;
+
+ g_type_class_add_private (object_class, sizeof (MozillaPSDecoderPrivate));
+}
+
+MozillaPSDecoder *
+mozilla_ps_decoder_new(void)
+{
+ return (MozillaPSDecoder *)g_object_new(MOZILLA_TYPE_DECODER, NULL);
+}
+
+#ifdef DEBUG_CUSTOM_ENCODER
+void
+dump_hash(char *key, char *val, void *arg)
+{
+ printf("%s -> %s\n", key, val);
+}
+#endif
+
+/**
+ * mozilla_ps_decoders_init:
+ *
+ * #mozilla_ps_decoders_init:
+ *
+ * This initializes all of the application-specific custom decoders
+ * that Mozilla uses. This should only be called once during the
+ * lifetime of the application.
+ *
+ * Return value: zero on success, not zero on failure.
+ *
+ **/
+
+int
+mozilla_ps_decoders_init(PangoFontMap *fontmap)
+{
+ static PRBool initialized = PR_FALSE;
+ if (initialized)
+ return 0;
+
+ if (!PANGO_IS_FC_FONT_MAP (fontmap))
+ return -1;
+
+ encoder_hash = g_hash_table_new(g_str_hash, g_str_equal);
+ cmap_hash = g_hash_table_new(g_str_hash, g_str_equal);
+ wide_hash = g_hash_table_new(g_str_hash, g_str_equal);
+
+ PRBool dumb = PR_FALSE;
+ nsCOMPtr<nsIPersistentProperties> props;
+ nsCOMPtr<nsISimpleEnumerator> encodeEnum;
+
+ NS_LoadPersistentPropertiesFromURISpec(getter_AddRefs(props),
+ NS_LITERAL_CSTRING("resource://gre/res/fonts/pangoFontEncoding.properties"));
+
+ if (!props)
+ goto loser;
+
+ // Enumerate the properties in this file and figure out all of the
+ // fonts for which we have custom encodings.
+ props->Enumerate(getter_AddRefs(encodeEnum));
+ if (!encodeEnum)
+ goto loser;
+
+ while (encodeEnum->HasMoreElements(&dumb), dumb) {
+ nsCOMPtr<nsIPropertyElement> prop;
+ encodeEnum->GetNext(getter_AddRefs(prop));
+ if (!prop)
+ goto loser;
+
+ nsCAutoString name;
+ prop->GetKey(name);
+ nsAutoString value;
+ prop->GetValue(value);
+
+ if (!StringBeginsWith(name, NS_LITERAL_CSTRING("encoding."))) {
+ printf("string doesn't begin with encoding?\n");
+ continue;
+ }
+
+ name = Substring(name, 9);
+
+ if (StringEndsWith(name, NS_LITERAL_CSTRING(".ttf"))) {
+ name = Substring(name, 0, name.Length() - 4);
+
+ // Strip off a .wide if it's there.
+ if (StringEndsWith(value, NS_LITERAL_STRING(".wide"))) {
+ g_hash_table_insert(wide_hash, g_strdup(name.get()),
+ g_strdup("wide"));
+ value = Substring(value, 0, name.Length() - 5);
+ }
+
+ g_hash_table_insert(encoder_hash,
+ g_strdup(name.get()),
+ g_strdup(NS_ConvertUTF16toUTF8(value).get()));
+ }
+ else if (StringEndsWith(name, NS_LITERAL_CSTRING(".ftcmap"))) {
+ name = Substring(name, 0, name.Length() - 7);
+ g_hash_table_insert(cmap_hash,
+ g_strdup(name.get()),
+ g_strdup(NS_ConvertUTF16toUTF8(value).get()));
+ }
+ else {
+ printf("unknown suffix used for mapping\n");
+ }
+ }
+
+ pango_fc_font_map_add_decoder_find_func(PANGO_FC_FONT_MAP(fontmap),
+ mozilla_find_ps_decoder,
+ NULL,
+ NULL);
+
+ initialized = PR_TRUE;
+
+#ifdef DEBUG_CUSTOM_ENCODER
+ printf("*** encoders\n");
+ g_hash_table_foreach(encoder_hash, (GHFunc)dump_hash, NULL);
+
+ printf("*** cmaps\n");
+ g_hash_table_foreach(cmap_hash, (GHFunc)dump_hash, NULL);
+#endif
+
+ return 0;
+
+ loser:
+ return -1;
+}
+
+static FcCharSet *
+mozilla_ps_decoder_get_charset (PangoFcDecoder *decoder,
+ PangoFcFont *fcfont)
+{
+ MozillaPSDecoderPrivate *priv = MOZILLA_PS_DECODER_GET_PRIVATE(decoder);
+
+ if (priv->charset)
+ return priv->charset;
+
+ // First time this has been accessed. Populate the charset.
+ priv->charset = FcCharSetCreate();
+
+ if (!gCharsetManager) {
+ CallGetService(kCharsetConverterManagerCID, &gCharsetManager);
+ }
+
+ nsCOMPtr<nsIUnicodeEncoder> encoder;
+ nsCOMPtr<nsICharRepresentable> represent;
+
+ if (!gCharsetManager)
+ goto end;
+
+ gCharsetManager->GetUnicodeEncoderRaw(priv->encoder, getter_AddRefs(encoder));
+ if (!encoder)
+ goto end;
+
+ encoder->SetOutputErrorBehavior(encoder->kOnError_Replace, nsnull, '?');
+
+ priv->uEncoder = encoder;
+
+ represent = do_QueryInterface(encoder);
+ if (!represent)
+ goto end;
+
+ PRUint32 map[UCS2_MAP_LEN];
+ memset(map, 0, sizeof(map));
+
+ represent->FillInfo(map);
+
+ for (int i = 0; i < NUM_UNICODE_CHARS; i++) {
+ if (IS_REPRESENTABLE(map, i))
+ FcCharSetAddChar(priv->charset, i);
+ }
+
+ end:
+ return priv->charset;
+}
+
+static PangoGlyph
+mozilla_ps_decoder_get_glyph (PangoFcDecoder *decoder,
+ PangoFcFont *fcfont,
+ guint32 wc)
+{
+ MozillaPSDecoderPrivate *priv = MOZILLA_PS_DECODER_GET_PRIVATE(decoder);
+
+ PangoGlyph retval = 0;
+ PRUnichar inchar = wc;
+ PRInt32 inlen = 1;
+ char outchar[2] = {0,0};
+ PRInt32 outlen = 2;
+
+ priv->uEncoder->Convert(&inchar, &inlen, outchar, &outlen);
+ if (outlen != 1) {
+ printf("Warning: mozilla_ps_decoder_get_glyph doesn't support more than one character conversions.\n");
+ return 0;
+ }
+
+ FT_Face face = pango_fc_font_lock_face(fcfont);
+
+#ifdef DEBUG_CUSTOM_ENCODER
+ char *filename;
+ FcPatternGetString(fcfont->font_pattern, FC_FILE, 0, (FcChar8 **)&filename);
+ printf("filename is %s\n", filename);
+#endif
+
+ // Make sure to set the right charmap before trying to get the
+ // glyph
+ if (priv->cmap) {
+ if (!strcmp(priv->cmap, "mac_roman")) {
+ FT_Select_Charmap(face, ft_encoding_apple_roman);
+ }
+ else if (!strcmp(priv->cmap, "unicode")) {
+ FT_Select_Charmap(face, ft_encoding_unicode);
+ }
+ else {
+ printf("Warning: Invalid charmap entry for family %s\n",
+ priv->family);
+ }
+ }
+
+ // Standard 8 bit to glyph translation
+ if (!priv->is_wide) {
+ FcChar32 blah = PRUint8(outchar[0]);
+ retval = FT_Get_Char_Index(face, blah);
+#ifdef DEBUG_CUSTOM_ENCODER
+ printf("wc 0x%x outchar[0] 0x%x index 0x%x retval 0x%x face %p\n",
+ wc, outchar[0], blah, retval, (void *)face);
+#endif
+ }
+ else {
+ printf("Warning: We don't support .wide fonts!\n");
+ retval = 0;
+ }
+
+ pango_fc_font_unlock_face(fcfont);
+
+ return retval;
+}
+
+static PangoFcDecoder *
+mozilla_find_ps_decoder (FcPattern *pattern, gpointer user_data)
+{
+ // Compare the family name of the font that's been opened to see
+ // if we have a custom decoder.
+ const char *orig = NULL;
+ FcPatternGetString(pattern, FC_FAMILY, 0, (FcChar8 **)&orig);
+
+ nsCAutoString family;
+ family.Assign(orig);
+
+ family.StripWhitespace();
+ ToLowerCase(family);
+
+ char *encoder = (char *)g_hash_table_lookup(encoder_hash, family.get());
+ if (!encoder)
+ return NULL;
+
+ MozillaPSDecoder *decoder = mozilla_ps_decoder_new();
+
+ MozillaPSDecoderPrivate *priv = MOZILLA_PS_DECODER_GET_PRIVATE(decoder);
+
+ priv->family = g_strdup(family.get());
+ priv->encoder = g_strdup(encoder);
+
+ char *cmap = (char *)g_hash_table_lookup(cmap_hash, family.get());
+ if (cmap)
+ priv->cmap = g_strdup(cmap);
+
+ char *wide = (char *)g_hash_table_lookup(wide_hash, family.get());
+ if (wide)
+ priv->is_wide = TRUE;
+
+ return PANGO_FC_DECODER(decoder);
+}
Index: gfx/src/ps/mozilla-ps-decoder.h
===================================================================
RCS file: gfx/src/ps/mozilla-ps-decoder.h
diff -N gfx/src/ps/mozilla-ps-decoder.h
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ gfx/src/ps/mozilla-ps-decoder.h 23 Oct 2006 17:37:10 -0000
@@ -0,0 +1,72 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:expandtab:shiftwidth=4:tabstop=4:
+ */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is Christopher Blizzard
+ * <blizzard@mozilla.org>. Portions created by the Initial Developer
+ * are Copyright (C) 2004 the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef _MOZILLA_PS_DECODER_H
+#define _MOZILLA_PS_DECODER_H
+
+#include <pango/pangofc-decoder.h>
+
+G_BEGIN_DECLS
+
+#define MOZILLA_TYPE_DECODER (mozilla_ps_decoder_get_type())
+#define MOZILLA_PS_DECODER(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), MOZILLA_TYPE_DECODER, MozillaPSDecoder))
+#define MOZILLA_IS_DECODER(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), MOZILLA_TYPE_DECODER))
+
+typedef struct _MozillaPSDecoder MozillaPSDecoder;
+typedef struct _MozillaPSDecoderClass MozillaPSDecoderClass;
+
+#define MOZILLA_PS_DECODER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), MOZILLA_TYPE_DECODER, MozillaPSDecoderClass))
+#define MOZILLA_IS_DECODER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), MOZILLA_TYPE_DECODER))
+#define MOZILLA_PS_DECODER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), MOZILLA_TYPE_DECODER, MozillaPSDecoderClass))
+
+struct _MozillaPSDecoder
+{
+ PangoFcDecoder parent_instance;
+};
+
+struct _MozillaPSDecoderClass
+{
+ PangoFcDecoderClass parent_class;
+};
+
+GType mozilla_ps_decoder_get_type (void);
+int mozilla_ps_decoders_init (PangoFontMap *fontmap);
+
+G_END_DECLS
+
+#endif /*_MOZILLA_PS_DECODER_H */
Index: gfx/src/ps/nsDeviceContextPS.cpp
===================================================================
RCS file: /cvsroot/mozilla/gfx/src/ps/nsDeviceContextPS.cpp,v
retrieving revision 1.73
diff -u -p -d -r1.73 nsDeviceContextPS.cpp
--- gfx/src/ps/nsDeviceContextPS.cpp 21 May 2005 15:33:08 -0000 1.73
+++ gfx/src/ps/nsDeviceContextPS.cpp 23 Oct 2006 17:37:10 -0000
@@ -58,12 +58,15 @@
#include "nsIPref.h"
#include "nsString.h"
#include "nsFontMetricsPS.h"
+#ifdef MOZ_ENABLE_PANGO
+#include "nsFontMetricsPSPango.h"
+#endif
#include "nsPostScriptObj.h"
#include "nspr.h"
#include "nsILanguageAtomService.h"
#include "nsPrintJobPS.h"
#include "nsPrintJobFactoryPS.h"
-#if defined(MOZ_ENABLE_FREETYPE2) || defined(MOZ_ENABLE_XFT)
+#if defined(MOZ_ENABLE_FREETYPE2) || defined(MOZ_ENABLE_XFT) || defined(MOZ_ENABLE_PANGO)
#include "nsType1.h"
#endif
@@ -223,7 +226,7 @@ nsDeviceContextPS::InitDeviceContextPS(n
nsresult rv;
nsCOMPtr<nsIPref> pref(do_GetService(NS_PREF_CONTRACTID, &rv));
-#ifdef MOZ_ENABLE_XFT
+#if defined(MOZ_ENABLE_XFT) || defined(MOZ_ENABLE_PANGO)
if (NS_SUCCEEDED(rv)) {
rv = pref->GetBoolPref("font.FreeType2.printing", &mFTPEnable);
if (NS_FAILED(rv))
@@ -469,7 +472,7 @@ NS_IMETHODIMP nsDeviceContextPS::EndDocu
NS_ASSERTION(submitFP, "No print job submission handle");
// Start writing the print job to the job handler
-#if defined(MOZ_ENABLE_FREETYPE2) || defined(MOZ_ENABLE_XFT)
+#if defined(MOZ_ENABLE_FREETYPE2) || defined(MOZ_ENABLE_XFT) || defined(MOZ_ENABLE_PANGO)
mPSObj->write_prolog(submitFP, mFTPEnable);
#else
mPSObj->write_prolog(submitFP);
@@ -550,15 +553,52 @@ public:
virtual nsresult CreateFontMetricsInstance(nsIFontMetrics** aResult);
};
+#if defined(MOZ_ENABLE_PANGO)
+PRBool
+NS_IsPangoEnabled(void)
+{
+ static PRBool beenHere;
+ static PRBool pangoEnabled;
+
+ if (!beenHere) {
+ beenHere = PR_TRUE;
+
+ char *val = PR_GetEnv("MOZ_DISABLE_PANGO");
+ pangoEnabled = !(val);
+
+ if (pangoEnabled) {
+ nsCOMPtr<nsIPref> prefService = do_GetService(NS_PREF_CONTRACTID);
+ if (prefService)
+ prefService->SetDefaultCharPref("general.useragent.extra.pango",
+ "pango-text");
+ }
+ }
+
+ return pangoEnabled;
+}
+#endif
nsresult nsFontCachePS::CreateFontMetricsInstance(nsIFontMetrics** aResult)
{
NS_PRECONDITION(aResult, "null out param");
- nsIFontMetrics *fm = new nsFontMetricsPS();
- if (!fm)
- return NS_ERROR_OUT_OF_MEMORY;
- NS_ADDREF(fm);
- *aResult = fm;
+#ifdef MOZ_ENABLE_PANGO
+ if (NS_IsPangoEnabled())
+ {
+ nsIFontMetrics *fm = new nsFontMetricsPSPango();
+ if (!fm)
+ return NS_ERROR_OUT_OF_MEMORY;
+ NS_ADDREF(fm);
+ *aResult = fm;
+ }
+ else
+#endif
+ {
+ nsIFontMetrics *fm = new nsFontMetricsPS();
+ if (!fm)
+ return NS_ERROR_OUT_OF_MEMORY;
+ NS_ADDREF(fm);
+ *aResult = fm;
+ }
return NS_OK;
}
Index: gfx/src/ps/nsFontMetricsPS.cpp
===================================================================
RCS file: /cvsroot/mozilla/gfx/src/ps/nsFontMetricsPS.cpp,v
retrieving revision 1.57.16.2
diff -u -p -d -r1.57.16.2 nsFontMetricsPS.cpp
--- gfx/src/ps/nsFontMetricsPS.cpp 7 May 2006 02:01:25 -0000 1.57.16.2
+++ gfx/src/ps/nsFontMetricsPS.cpp 23 Oct 2006 17:37:11 -0000
@@ -461,6 +461,239 @@ nsFontMetricsPS :: GetStringWidth(const
return NS_OK;
}
+nsresult
+nsFontMetricsPS::DrawString(const char *aString, PRUint32 aLength,
+ nscoord aX, nscoord aY,
+ const nscoord* aSpacing,
+ nsRenderingContextPS *aContext)
+{
+ nsPostScriptObj* psObj = aContext->GetPostScriptObj();
+ // When FT2 printing is enabled, we don't need to set langgroup
+#if defined(MOZ_ENABLE_FREETYPE2) || defined(MOZ_ENABLE_XFT)
+ if (!NS_REINTERPRET_CAST(nsDeviceContextPS *, GetDeviceContext())->mFTPEnable) {
+#endif
+ nsCOMPtr<nsIAtom> langGroup;
+ GetLangGroup(getter_AddRefs(langGroup));
+ psObj->setlanggroup(langGroup);
+#if defined(MOZ_ENABLE_FREETYPE2) || defined(MOZ_ENABLE_XFT)
+ }
+#endif
+
+ if (aLength == 0)
+ return NS_OK;
+ nsFontPS* fontPS = nsFontPS::FindFont(aString[0], Font(), this);
+ NS_ENSURE_TRUE(fontPS, NS_ERROR_FAILURE);
+ fontPS->SetupFont(aContext);
+
+ PRUint32 i, start = 0;
+ for (i=0; i<aLength; i++) {
+ nsFontPS* fontThisChar;
+ fontThisChar = nsFontPS::FindFont(aString[i], Font(), this);
+ NS_ENSURE_TRUE(fontThisChar, NS_ERROR_FAILURE);
+ if (fontThisChar != fontPS) {
+ // draw text up to this point
+ aX += DrawString(aString+start, i-start, aX, aY, fontPS,
+ aSpacing?aSpacing+start:nsnull, aContext);
+ start = i;
+
+ // setup for following text
+ fontPS = fontThisChar;
+ fontPS->SetupFont(aContext);
+ }
+ }
+
+ // draw the last part
+ if (aLength-start)
+ DrawString(aString+start, aLength-start, aX, aY, fontPS,
+ aSpacing?aSpacing+start:nsnull, aContext);
+
+ return NS_OK;
+}
+
+nsresult
+nsFontMetricsPS::DrawString(const PRUnichar* aString, PRUint32 aLength,
+ nscoord aX, nscoord aY,
+ PRInt32 aFontID,
+ const nscoord* aSpacing,
+ nsRenderingContextPS *aContext)
+{
+ nsPostScriptObj* psObj = aContext->GetPostScriptObj();
+#if defined(MOZ_ENABLE_FREETYPE2) || defined(MOZ_ENABLE_XFT)
+ // When FT2 printing is enabled, we don't need to set langgroup
+ if (!NS_REINTERPRET_CAST(nsDeviceContextPS *, GetDeviceContext())->mFTPEnable) {
+#endif
+ nsCOMPtr<nsIAtom> langGroup = nsnull;
+ GetLangGroup(getter_AddRefs(langGroup));
+ psObj->setlanggroup(langGroup);
+#if defined(MOZ_ENABLE_FREETYPE2) || defined(MOZ_ENABLE_XFT)
+ }
+#endif
+
+ /* build up conversion table */
+ psObj->preshow(aString, aLength);
+
+ if (aLength == 0)
+ return NS_OK;
+ nsFontPS* fontPS = nsFontPS::FindFont(aString[0], Font(), this);
+ NS_ENSURE_TRUE(fontPS, NS_ERROR_FAILURE);
+ fontPS->SetupFont(aContext);
+
+ PRUint32 i, start = 0;
+ for (i=0; i<aLength; i++) {
+ nsFontPS* fontThisChar;
+ fontThisChar = nsFontPS::FindFont(aString[i], Font(), this);
+ NS_ENSURE_TRUE(fontThisChar, NS_ERROR_FAILURE);
+ if (fontThisChar != fontPS) {
+ // draw text up to this point
+ aX += DrawString(aString+start, i-start, aX, aY, fontPS,
+ aSpacing?aSpacing+start:nsnull, aContext);
+ start = i;
+
+ // setup for following text
+ fontPS = fontThisChar;
+ fontPS->SetupFont(aContext);
+ }
+ }
+
+ // draw the last part
+ if (aLength-start)
+ DrawString(aString+start, aLength-start, aX, aY, fontPS,
+ aSpacing?aSpacing+start:nsnull, aContext);
+
+ return NS_OK;
+}
+
+PRInt32
+nsFontMetricsPS::DrawString(const char *aString, PRUint32 aLength,
+ nscoord aX, nscoord aY, nsFontPS* aFontPS,
+ const nscoord* aSpacing,
+ nsRenderingContextPS *aContext)
+{
+ nscoord width = 0;
+ PRInt32 x = aX;
+ PRInt32 y = aY;
+
+ PRInt32 dxMem[500];
+ PRInt32* dx0 = 0;
+ if (aSpacing) {
+ dx0 = dxMem;
+ if (aLength > 500) {
+ dx0 = new PRInt32[aLength];
+ NS_ENSURE_TRUE(dx0, NS_ERROR_OUT_OF_MEMORY);
+ }
+ aContext->GetTranMatrix()->ScaleXCoords(aSpacing, aLength, dx0);
+ }
+
+ aContext->GetTranMatrix()->TransformCoord(&x, &y);
+ width = aFontPS->DrawString(aContext, x, y, aString, aLength);
+
+ if ((aSpacing) && (dx0 != dxMem)) {
+ delete [] dx0;
+ }
+
+ return width;
+}
+
+
+PRInt32
+nsFontMetricsPS::DrawString(const PRUnichar* aString, PRUint32 aLength,
+ nscoord &aX, nscoord &aY, nsFontPS* aFontPS,
+ const nscoord* aSpacing,
+ nsRenderingContextPS *aContext)
+{
+ nscoord width = 0;
+ PRInt32 x = aX;
+ PRInt32 y = aY;
+
+ if (aSpacing) {
+ // Slow, but accurate rendering
+ const PRUnichar* end = aString + aLength;
+ while (aString < end){
+ x = aX;
+ y = aY;
+ aContext->GetTranMatrix()->TransformCoord(&x, &y);
+ aFontPS->DrawString(aContext, x, y, aString, 1);
+ aX += *aSpacing++;
+ aString++;
+ }
+ width = aX;
+ } else {
+ aContext->GetTranMatrix()->TransformCoord(&x, &y);
+ width = aFontPS->DrawString(aContext, x, y, aString, aLength);
+ }
+
+ return width;
+}
+
+NS_IMETHODIMP
+nsFontMetricsPS::GetTextDimensions(const char* aString,
+ PRInt32 aLength,
+ PRInt32 aAvailWidth,
+ PRInt32* aBreaks,
+ PRInt32 aNumBreaks,
+ nsTextDimensions& aDimensions,
+ PRInt32& aNumCharsFit,
+ nsTextDimensions& aLastWordDimensions,
+ PRInt32* aFontID)
+{
+ NS_NOTYETIMPLEMENTED("nsFontMetricsPS::GetTextDimensions");
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsFontMetricsPS::GetTextDimensions(const PRUnichar* aString,
+ PRInt32 aLength,
+ PRInt32 aAvailWidth,
+ PRInt32* aBreaks,
+ PRInt32 aNumBreaks,
+ nsTextDimensions& aDimensions,
+ PRInt32& aNumCharsFit,
+ nsTextDimensions& aLastWordDimensions,
+ PRInt32* aFontID)
+{
+ NS_NOTYETIMPLEMENTED("nsFontMetricsPS::GetTextDimensions");
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsFontMetricsPS :: GetTextDimensions(const char* aString, PRUint32 aLength,
+ nsTextDimensions& aDimensions)
+{
+ GetStringWidth(aString, aDimensions.width, aLength);
+ GetMaxAscent(aDimensions.ascent);
+ GetMaxDescent(aDimensions.descent);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFontMetricsPS :: GetTextDimensions(const PRUnichar* aString, PRUint32 aLength,
+ nsTextDimensions& aDimensions, PRInt32* aFontID)
+{
+ GetStringWidth(aString, aDimensions.width, aLength);
+ //XXX temporary - bug 96609
+ GetMaxAscent(aDimensions.ascent);
+ GetMaxDescent(aDimensions.descent);
+ return NS_OK;
+}
+
+nsresult
+nsFontMetricsPS::GetBoundingMetrics(const char* aString,
+ PRUint32 aLength,
+ nsBoundingMetrics& aBoundingMetrics)
+{
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+nsresult
+nsFontMetricsPS::GetBoundingMetrics(const PRUnichar* aString,
+ PRUint32 aLength,
+ nsBoundingMetrics &aBoundingMetrics,
+ PRInt32 *aFontID)
+{
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+
nsFontPS*
nsFontPS::FindFont(char aChar, const nsFont& aFont,
nsFontMetricsPS* aFontMetrics)
@@ -1128,23 +1361,38 @@ nsFontPSXft::DrawString(nsRenderingConte
PRUint32 start = 0;
PRUint32 i;
+ FT_Face face = getFTFace();
+ if (!face) {
+ NS_WARNING("Failed to get FT Face in nsFontPSXft::DrawString\n");
+ return 0;
+ }
+
+ nsValueArray glyphs(PR_UINT16_MAX);
+
// XXX : ignore surrogate pairs for now
- nsString *subSet = mPSFontGenerator->GetSubset();
for (i = 0; i < aLength; ++i) {
- currSubFont = mPSFontGenerator->AddToSubset(aString[i]);
+ PRUint32 glyph = FT_Get_Char_Index(face, aString[i]);
+ currSubFont = mPSFontGenerator->AddToGlyphSubset(glyph);
+
+ // Check if we need to render the current string
if (prevSubFont != currSubFont) {
- if (prevSubFont != -1)
- psObj->show(&aString[start], i - start, *subSet, prevSubFont);
+ if (prevSubFont != -1) {
+ psObj->show(&glyphs, mPSFontGenerator, prevSubFont);
+ }
NS_ASSERTION(!mFontNameBase.IsEmpty(),
"font base name shouldn't be empty");
psObj->setfont(mFontNameBase, mHeight, currSubFont);
prevSubFont = currSubFont;
start = i;
+ glyphs.Clear();
}
+
+ glyphs.AppendValue(glyph);
}
- if (prevSubFont != -1)
- psObj->show(&aString[start], i - start, *subSet, prevSubFont);
+ if (prevSubFont != -1) {
+ psObj->show(&glyphs, mPSFontGenerator, prevSubFont);
+ }
return GetWidth(aString, aLength);
}
@@ -2278,10 +2526,13 @@ nsFontPSFreeType::GetBoundingMetrics(con
// Implementation of nsPSFontGenerator
nsPSFontGenerator::nsPSFontGenerator()
{
+ mGlyphSubset = new nsValueArray(PR_UINT16_MAX, 40);
}
nsPSFontGenerator::~nsPSFontGenerator()
{
+ if (mGlyphSubset)
+ delete mGlyphSubset;
}
void nsPSFontGenerator::GeneratePSFont(FILE* aFile)
@@ -2289,24 +2540,29 @@ void nsPSFontGenerator::GeneratePSFont(F
NS_ERROR("should never call nsPSFontGenerator::GeneratePSFont");
}
-// Add a Unicode character to mSubset which will be divided into
-// multiple chunks (subfonts) of 255 (kSubFontSize) characters each.
-// Each chunk will be converted to a Type 1 font. Return the index of
-// a subfont (chunk) this character belongs to.
+// Add a glyph offset to mSubset which will be divided into multiple
+// chunks (subfonts) of 255 (kSubFontSize) glyphs each. Each chunk
+// will then be converted into a Type 1 font. Return the index of a
+// subfont (chunk) this glyph belongs to.
PRInt32
-nsPSFontGenerator::AddToSubset(PRUnichar aChar)
+nsPSFontGenerator::AddToGlyphSubset(PRUint32 aGlyph)
{
- PRInt32 index = mSubset.FindChar(aChar);
- if (index == kNotFound) {
- mSubset.Append(aChar);
- index = mSubset.Length() - 1;
+ nsValueArrayIndex index = mGlyphSubset->IndexOf(aGlyph);
+ if (index == NSVALUEARRAY_INVALID) {
+ mGlyphSubset->AppendValue(aGlyph);
+ index = mGlyphSubset->Count() - 1;
}
+
return index / kSubFontSize;
}
-nsString *nsPSFontGenerator::GetSubset()
+PRInt32
+nsPSFontGenerator::InSubsetIndexOf(PRUint32 aGlyph)
{
- return &mSubset;
+ nsValueArrayIndex index = mGlyphSubset->IndexOf(aGlyph);
+ if (index == NSVALUEARRAY_INVALID)
+ return 0;
+ return (index % kSubFontSize) + 1;
}
#ifdef MOZ_ENABLE_XFT
@@ -2332,8 +2588,8 @@ nsXftType1Generator::Init(nsXftEntry* aE
nsXftType1Generator::~nsXftType1Generator()
{
- if (mEntry->mFace)
- FT_Done_Face(mEntry->mFace);
+ if (mEntry->mFace)
+ FT_Done_Face(mEntry->mFace);
if (FT_Done_FreeType(mFreeTypeLibrary))
return;
@@ -2353,8 +2609,8 @@ void nsXftType1Generator::GeneratePSFont
}
int wmode = 0;
- if (!mSubset.IsEmpty())
- FT2SubsetToType1FontSet(face, mSubset, wmode, aFile);
+ if (mGlyphSubset->Count())
+ FT2SubsetToType1FontSet(face, mGlyphSubset, wmode, aFile);
}
#else
@@ -2402,8 +2658,8 @@ void nsFT2Type1Generator::GeneratePSFont
return;
int wmode = 0;
- if (!mSubset.IsEmpty())
- FT2SubsetToType1FontSet(face, mSubset, wmode, aFile);
+ if (mGlyphSubset->Count())
+ FT2SubsetToType1FontSet(face, mGlyphSubset, wmode, aFile);
}
#endif //MOZ_ENABLE_FREETYPE2
Index: gfx/src/ps/nsFontMetricsPS.h
===================================================================
RCS file: /cvsroot/mozilla/gfx/src/ps/nsFontMetricsPS.h,v
retrieving revision 1.31
diff -u -p -d -r1.31 nsFontMetricsPS.h
--- gfx/src/ps/nsFontMetricsPS.h 28 Jun 2005 18:29:10 -0000 1.31
+++ gfx/src/ps/nsFontMetricsPS.h 23 Oct 2006 17:37:11 -0000
@@ -66,6 +66,7 @@
#endif
#include "nsVoidArray.h"
#include "nsHashtable.h"
+#include "nsValueArray.h"
class nsPSFontGenerator;
class nsDeviceContextPS;
@@ -108,6 +109,65 @@ public:
NS_IMETHOD GetFontHandle(nsFontHandle &aHandle);
NS_IMETHOD GetStringWidth(const char *String,nscoord &aWidth,nscoord aLength);
NS_IMETHOD GetStringWidth(const PRUnichar *aString,nscoord &aWidth,nscoord aLength);
+
+ NS_IMETHOD GetTextDimensions(const char* aString,
+ PRUint32 aLength,
+ nsTextDimensions& aDimensions);
+ NS_IMETHOD GetTextDimensions(const PRUnichar* aString,
+ PRUint32 aLength,
+ nsTextDimensions& aDimensions,
+ PRInt32* aFontID);
+ NS_IMETHOD GetTextDimensions(const char* aString,
+ PRInt32 aLength,
+ PRInt32 aAvailWidth,
+ PRInt32* aBreaks,
+ PRInt32 aNumBreaks,
+ nsTextDimensions& aDimensions,
+ PRInt32& aNumCharsFit,
+ nsTextDimensions& aLastWordDimensions,
+ PRInt32* aFontID);
+ NS_IMETHOD GetTextDimensions(const PRUnichar* aString,
+ PRInt32 aLength,
+ PRInt32 aAvailWidth,
+ PRInt32* aBreaks,
+ PRInt32 aNumBreaks,
+ nsTextDimensions& aDimensions,
+ PRInt32& aNumCharsFit,
+ nsTextDimensions& aLastWordDimensions,
+ PRInt32* aFontID);
+#ifdef MOZ_MATHML
+ NS_IMETHOD GetBoundingMetrics(const char *aString, PRUint32 aLength,
+ nsBoundingMetrics &aBoundingMetrics);
+ NS_IMETHOD GetBoundingMetrics(const PRUnichar *aString,
+ PRUint32 aLength,
+ nsBoundingMetrics &aBoundingMetrics,
+ PRInt32 *aFontID);
+#endif /* MOZ_MATHML */
+
+ NS_IMETHOD DrawString(const char *aString, PRUint32 aLength,
+ nscoord aX, nscoord aY,
+ const nscoord* aSpacing,
+ nsRenderingContextPS *aContext);
+ NS_IMETHOD DrawString(const PRUnichar *aString, PRUint32 aLength,
+ nscoord aX, nscoord aY,
+ PRInt32 aFontID,
+ const nscoord* aSpacing,
+ nsRenderingContextPS *aContext);
+
+protected:
+ PRInt32 DrawString(const char *aString, PRUint32 aLength,
+ nscoord aX, nscoord aY, nsFontPS* aFontPS,
+ const nscoord* aSpacing,
+ nsRenderingContextPS *aContext);
+ PRInt32 DrawString(const PRUnichar *aString, PRUint32 aLength,
+ nscoord &aX, nscoord &aY, nsFontPS* aFontPS,
+ const nscoord* aSpacing,
+ nsRenderingContextPS *aContext);
+
+public:
+
+ virtual PRUint32 GetHints (void) { return 0; }
+
inline void SetXHeight(nscoord aXHeight) { mXHeight = aXHeight; };
inline void SetSuperscriptOffset(nscoord aSuperscriptOffset) { mSuperscriptOffset = aSuperscriptOffset; };
@@ -455,16 +515,14 @@ public:
nsPSFontGenerator();
virtual ~nsPSFontGenerator();
virtual void GeneratePSFont(FILE* aFile);
- PRInt32 AddToSubset(PRUnichar aChar);
- nsString *GetSubset();
+ PRInt32 AddToGlyphSubset(PRUint32 aGlyph);
+ PRInt32 InSubsetIndexOf(PRUint32 aGlyph);
// 256 (PS type 1 encoding vector size) - 1 (1 is for mandatory /.notdef)
const static PRUint16 kSubFontSize;
protected:
- // XXX To support non-BMP characters, we may have to use
- // nsValueArray with PRUint32
- nsString mSubset;
+ nsValueArray *mGlyphSubset;
};
Index: gfx/src/ps/nsFontMetricsPSPango.cpp
===================================================================
RCS file: gfx/src/ps/nsFontMetricsPSPango.cpp
diff -N gfx/src/ps/nsFontMetricsPSPango.cpp
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ gfx/src/ps/nsFontMetricsPSPango.cpp 23 Oct 2006 17:37:13 -0000
@@ -0,0 +1,2107 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:expandtab:shiftwidth=4:tabstop=4:
+ */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is Christopher Blizzard
+ * <blizzard@mozilla.org>. Portions created by the Initial Developer
+ * are Copyright (C) 2004 the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Christopher Blizzard <blizzard@mozilla.org>
+ * Behdad Esfahbod <behdad@behdad.org>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include <strings.h>
+#include "nsFont.h"
+#include "nsIDeviceContext.h"
+#include "nsICharsetConverterManager.h"
+#include "nsIPref.h"
+#include "nsServiceManagerUtils.h"
+
+#define PANGO_ENABLE_BACKEND
+#define PANGO_ENABLE_ENGINE
+
+#include "nsFontMetricsPSPango.h"
+#include "nsRenderingContextPS.h"
+#include "nsDeviceContextPS.h"
+#include "nsFontConfigUtils.h"
+
+#include "nsPrintfCString.h"
+#include "nsUnicharUtils.h"
+#include "nsQuickSort.h"
+#include "nsFontConfigUtils.h"
+
+#include <fontconfig/fontconfig.h>
+#include <pango/pangoft2.h>
+#include <freetype/tttables.h>
+#include "nsType1.h"
+
+#include "mozilla-ps-decoder.h"
+
+#define FORCE_PR_LOG
+#include "prlog.h"
+
+// Globals
+
+static PRLogModuleInfo *gPangoFontLog;
+static int gNumInstances;
+
+
+static void
+default_substitute (FcPattern *pattern,
+ gpointer data)
+{
+ FcPatternDel (pattern, FC_HINTING);
+ FcPatternAddBool (pattern, FC_HINTING, 0);
+}
+
+static PangoFontMap *
+get_fontmap (void)
+{
+ static PangoFontMap *fontmap = NULL;
+
+ if (!fontmap) {
+ fontmap = pango_ft2_font_map_new ();
+ pango_ft2_font_map_set_resolution ((PangoFT2FontMap *)fontmap, 72., 72.);
+ pango_ft2_font_map_set_default_substitute ((PangoFT2FontMap *)fontmap, default_substitute, NULL, NULL);
+ }
+
+ return fontmap;
+}
+
+static PangoContext *
+get_context (void)
+{
+ return pango_ft2_font_map_create_context ((PangoFT2FontMap *) get_fontmap ());
+}
+
+// Defines
+
+// This is the scaling factor that we keep fonts limited to against
+// the display size. If a pixel size is requested that is more than
+// this factor larger than the height of the display, it's clamped to
+// that value instead of the requested size.
+#define FONT_MAX_FONT_SCALE 2
+
+static NS_DEFINE_CID(kCharsetConverterManagerCID,
+ NS_ICHARSETCONVERTERMANAGER_CID);
+
+#ifdef DEBUG
+#define DUMP_PRUNICHAR(ustr, ulen) for (PRUint32 llen=0;llen<ulen;llen++) \
+ printf("0x%x ", ustr[llen]); \
+ printf("\n");
+#endif
+
+// rounding and truncation functions for a Freetype floating point number
+// (FT26Dot6) stored in a 32bit integer with high 26 bits for the integer
+// part and low 6 bits for the fractional part.
+#define MOZ_FT_ROUND(x) (((x) + 32) & ~63) // 63 = 2^6 - 1
+#define MOZ_FT_TRUNC(x) ((x) >> 6)
+#define CONVERT_DESIGN_UNITS_TO_PIXELS(v, s) \
+ MOZ_FT_TRUNC(MOZ_FT_ROUND(FT_MulFix((v) , (s))))
+
+// Static function decls
+
+static PangoLanguage *GetPangoLanguage(nsIAtom *aLangGroup);
+
+static void FreeGlobals (void);
+
+static PangoStyle CalculateStyle (PRUint8 aStyle);
+static PangoWeight CalculateWeight (PRUint16 aWeight);
+
+static nsresult EnumFontsPango (nsIAtom* aLangGroup, const char* aGeneric,
+ PRUint32* aCount, PRUnichar*** aResult);
+static int CompareFontNames (const void* aArg1, const void* aArg2,
+ void* aClosure);
+
+nsFontMetricsPSPango::nsFontMetricsPSPango()
+{
+ if (!gPangoFontLog)
+ gPangoFontLog = PR_NewLogModule("PangoFont");
+
+ gNumInstances++;
+
+ mPangoFontDesc = nsnull;
+ mPangoContext = nsnull;
+ mLTRPangoContext = nsnull;
+ mRTLPangoContext = nsnull;
+ mPangoAttrList = nsnull;
+ mIsRTL = PR_FALSE;
+ mPangoSpaceWidth = 0;
+
+ static PRBool initialized = PR_FALSE;
+ if (initialized)
+ return;
+
+ // Initialized the custom decoders
+ if (!mozilla_ps_decoders_init(get_fontmap ()))
+ initialized = PR_TRUE;
+}
+
+nsFontMetricsPSPango::~nsFontMetricsPSPango()
+{
+ if (mDeviceContext)
+ mDeviceContext->FontMetricsDeleted(this);
+
+ if (mPangoFontDesc)
+ pango_font_description_free(mPangoFontDesc);
+
+ if (mLTRPangoContext)
+ g_object_unref(mLTRPangoContext);
+
+ if (mRTLPangoContext)
+ g_object_unref(mRTLPangoContext);
+
+ if (mPangoAttrList)
+ pango_attr_list_unref(mPangoAttrList);
+
+ // XXX clean up all the pango objects
+
+ if (--gNumInstances == 0)
+ FreeGlobals();
+}
+
+
+NS_IMPL_ISUPPORTS1(nsFontMetricsPSPango, nsIFontMetrics)
+
+// nsIFontMetrics impl
+
+NS_IMETHODIMP
+nsFontMetricsPSPango::Init(const nsFont& aFont, nsIAtom* aLangGroup,
+ nsIDeviceContext *aContext)
+{
+ mFont = aFont;
+ mLangGroup = aLangGroup;
+
+ // Hang on to the device context
+ mDeviceContext = aContext;
+
+ mPointSize = NSTwipsToFloatPoints(mFont.size);
+
+ // enumerate over the font names passed in
+ mFont.EnumerateFamilies(nsFontMetricsPSPango::EnumFontCallback, this);
+
+ nsCOMPtr<nsIPref> prefService;
+ prefService = do_GetService(NS_PREF_CONTRACTID);
+ if (!prefService)
+ return NS_ERROR_FAILURE;
+
+ nsXPIDLCString value;
+ const char* langGroup;
+ mLangGroup->GetUTF8String(&langGroup);
+
+ // Set up the default font name if it's not set
+ if (!mGenericFont) {
+ nsCAutoString name("font.default.");
+ name.Append(langGroup);
+ prefService->CopyCharPref(name.get(), getter_Copies(value));
+
+ if (value.get())
+ mDefaultFont = value.get();
+ else
+ mDefaultFont = "serif";
+
+ mGenericFont = &mDefaultFont;
+ }
+
+ // set up the minimum sizes for fonts
+ if (mLangGroup) {
+ nsCAutoString name("font.min-size.");
+
+ if (mGenericFont->Equals("monospace"))
+ name.Append("fixed");
+ else
+ name.Append("variable");
+
+ name.Append(char('.'));
+ name.Append(langGroup);
+
+ PRInt32 minimumInt = 0;
+ float minimum;
+ nsresult res;
+ res = prefService->GetIntPref(name.get(), &minimumInt);
+ if (NS_FAILED(res))
+ prefService->GetDefaultIntPref(name.get(), &minimumInt);
+
+ if (minimumInt < 0)
+ minimumInt = 0;
+
+ minimum = minimumInt;
+
+ // The minimum size is specified in pixels, not in points.
+ // Convert the size from pixels to points.
+ minimum = NSTwipsToFloatPoints(NSFloatPixelsToTwips(minimum, mDeviceContext->DevUnitsToAppUnits()));
+ if (mPointSize < minimum)
+ mPointSize = minimum;
+ }
+
+ // Make sure that the pixel size is at least greater than zero
+ if (mPointSize < 1) {
+#ifdef DEBUG
+ printf("*** Warning: nsFontMetricsPSPango created with point size %f\n",
+ mPointSize);
+#endif
+ mPointSize = 1;
+ }
+
+ nsresult rv = RealizeFont();
+ if (NS_FAILED(rv))
+ return rv;
+
+ // Cache font metrics for the 'x' character
+ return CacheFontMetrics();
+}
+
+nsresult
+nsFontMetricsPSPango::CacheFontMetrics(void)
+{
+ // Get our scale factor
+ float f;
+ float val;
+ f = mDeviceContext->DevUnitsToAppUnits();
+
+ mPangoAttrList = pango_attr_list_new();
+
+ GList *items = pango_itemize(mPangoContext,
+ "a", 0, 1, mPangoAttrList, NULL);
+
+ if (!items)
+ return NS_ERROR_FAILURE;
+
+ guint nitems = g_list_length(items);
+ if (nitems != 1)
+ return NS_ERROR_FAILURE;
+
+ PangoItem *item = (PangoItem *)items->data;
+ PangoFcFont *fcfont = PANGO_FC_FONT(item->analysis.font);
+ if (!fcfont)
+ return NS_ERROR_FAILURE;
+
+ // Get our font face
+ FT_Face face;
+ face = pango_fc_font_lock_face(fcfont);
+ if (!face)
+ return NS_ERROR_NOT_AVAILABLE;
+
+ TT_OS2 *os2;
+ os2 = (TT_OS2 *) FT_Get_Sfnt_Table(face, ft_sfnt_os2);
+
+ // mEmHeight (size in pixels of EM height)
+ int size;
+ if (FcPatternGetInteger(fcfont->font_pattern, FC_PIXEL_SIZE, 0, &size) !=
+ FcResultMatch) {
+ size = 12;
+ }
+ mEmHeight = PR_MAX(1, nscoord(size * f));
+
+ // mMaxAscent
+ val = MOZ_FT_TRUNC(face->size->metrics.ascender);
+ mMaxAscent = NSToIntRound(val * f);
+
+ // mMaxDescent
+ val = -MOZ_FT_TRUNC(face->size->metrics.descender);
+ mMaxDescent = NSToIntRound(val * f);
+
+ nscoord lineHeight = mMaxAscent + mMaxDescent;
+
+ // mLeading (needs ascent and descent and EM height)
+ if (lineHeight > mEmHeight)
+ mLeading = lineHeight - mEmHeight;
+ else
+ mLeading = 0;
+
+ // mMaxHeight (needs ascent and descent)
+ mMaxHeight = lineHeight;
+
+ // mEmAscent (needs maxascent, EM height, ascent and descent)
+ mEmAscent = nscoord(mMaxAscent * mEmHeight / lineHeight);
+
+ // mEmDescent (needs EM height and EM ascent
+ mEmDescent = mEmHeight - mEmAscent;
+
+ // mMaxAdvance
+ val = MOZ_FT_TRUNC(face->size->metrics.max_advance);
+ mMaxAdvance = NSToIntRound(val * f);
+
+ // mPangoSpaceWidth
+ PangoLayout *layout = pango_layout_new(mPangoContext);
+ pango_layout_set_text(layout, " ", 1);
+ int pswidth, psheight;
+ pango_layout_get_size(layout, &pswidth, &psheight);
+ mPangoSpaceWidth = pswidth;
+ g_object_unref(layout);
+
+ // mSpaceWidth (width of a space)
+ nscoord tmpWidth;
+ GetWidth(" ", 1, tmpWidth);
+ mSpaceWidth = tmpWidth;
+
+ // mAveCharWidth (width of an 'average' char)
+ // XftTextExtents16(GDK_DISPLAY(), xftFont, &xUnichar, 1, &extents);
+ //rawWidth = extents.width;
+ //mAveCharWidth = NSToCoordRound(rawWidth * f);
+ GetWidth("x", 1, tmpWidth);
+ mAveCharWidth = tmpWidth;
+
+ // mXHeight (height of an 'x' character)
+ if (pango_fc_font_has_char(fcfont, 'x')) {
+ PangoRectangle rect;
+ PangoGlyph glyph = pango_fc_font_get_glyph (fcfont, 'x');
+ pango_font_get_glyph_extents (PANGO_FONT (fcfont), glyph, &rect, NULL);
+ mXHeight = NSToIntRound(rect.height * f / PANGO_SCALE);
+ }
+ else {
+ // 56% of ascent, best guess for non-true type or asian fonts
+ mXHeight = nscoord(((float)mMaxAscent) * 0.56 * f);
+ }
+
+ // mUnderlineOffset (offset for underlines)
+ val = CONVERT_DESIGN_UNITS_TO_PIXELS(face->underline_position,
+ face->size->metrics.y_scale);
+ if (val) {
+ mUnderlineOffset = NSToIntRound(val * f);
+ }
+ else {
+ mUnderlineOffset =
+ -NSToIntRound(PR_MAX(1, floor(0.1 *
+ MOZ_FT_TRUNC(face->size->metrics.height) + 0.5)) * f);
+ }
+
+ // mUnderlineSize (thickness of an underline)
+ val = CONVERT_DESIGN_UNITS_TO_PIXELS(face->underline_thickness,
+ face->size->metrics.y_scale);
+ if (val) {
+ mUnderlineSize = nscoord(PR_MAX(f, NSToIntRound(val * f)));
+ }
+ else {
+ mUnderlineSize =
+ NSToIntRound(PR_MAX(1,
+ floor(0.05 * MOZ_FT_TRUNC(face->size->metrics.height) + 0.5)) * f);
+ }
+
+ // mSuperscriptOffset
+ if (os2 && os2->ySuperscriptYOffset) {
+ val = CONVERT_DESIGN_UNITS_TO_PIXELS(os2->ySuperscriptYOffset,
+ face->size->metrics.y_scale);
+ mSuperscriptOffset = nscoord(PR_MAX(f, NSToIntRound(val * f)));
+ }
+ else {
+ mSuperscriptOffset = mXHeight;
+ }
+
+ // mSubscriptOffset
+ if (os2 && os2->ySubscriptYOffset) {
+ val = CONVERT_DESIGN_UNITS_TO_PIXELS(os2->ySubscriptYOffset,
+ face->size->metrics.y_scale);
+ // some fonts have the incorrect sign.
+ val = (val < 0) ? -val : val;
+ mSubscriptOffset = nscoord(PR_MAX(f, NSToIntRound(val * f)));
+ }
+ else {
+ mSubscriptOffset = mXHeight;
+ }
+
+ // mStrikeoutOffset
+ mStrikeoutOffset = NSToCoordRound(mXHeight / 2.0);
+
+ // mStrikeoutSize
+ mStrikeoutSize = mUnderlineSize;
+
+ pango_fc_font_unlock_face(fcfont);
+
+ /*
+ printf("%i\n", mXHeight);
+ printf("%i\n", mSuperscriptOffset);
+ printf("%i\n", mSubscriptOffset);
+ printf("%i\n", mStrikeoutOffset);
+ printf("%i\n", mStrikeoutSize);
+ printf("%i\n", mUnderlineOffset);
+ printf("%i\n", mUnderlineSize);
+ printf("%i\n", mMaxHeight);
+ printf("%i\n", mLeading);
+ printf("%i\n", mEmHeight);
+ printf("%i\n", mEmAscent);
+ printf("%i\n", mEmDescent);
+ printf("%i\n", mMaxAscent);
+ printf("%i\n", mMaxDescent);
+ printf("%i\n", mMaxAdvance);
+ printf("%i\n", mSpaceWidth);
+ printf("%i\n", mAveCharWidth);
+ */
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFontMetricsPSPango::Destroy()
+{
+ mDeviceContext = nsnull;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFontMetricsPSPango::GetLangGroup(nsIAtom** aLangGroup)
+{
+ *aLangGroup = mLangGroup;
+ NS_IF_ADDREF(*aLangGroup);
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFontMetricsPSPango::GetFontHandle(nsFontHandle &aHandle)
+{
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+// nsIFontMetricsPango impl
+NS_IMETHODIMP
+nsFontMetricsPSPango::GetStringWidth(const char *String,nscoord &aWidth,nscoord aLength)
+{
+ return GetWidth (String, (PRUint32) aLength, aWidth);
+}
+
+NS_IMETHODIMP
+nsFontMetricsPSPango::GetStringWidth(const PRUnichar *aString,nscoord &aWidth,nscoord aLength)
+{
+ return GetWidth (aString, (PRUint32)aLength, aWidth);
+}
+
+nsresult
+nsFontMetricsPSPango::GetWidth(const char* aString, PRUint32 aLength,
+ nscoord& aWidth)
+{
+ PangoLayout *layout = pango_layout_new(mPangoContext);
+
+ pango_layout_set_text(layout, aString, aLength);
+
+ if (mPangoSpaceWidth)
+ FixupSpaceWidths(layout, aString);
+
+ int width, height;
+
+ pango_layout_get_size(layout, &width, &height);
+
+ g_object_unref(layout);
+
+ float f;
+ f = mDeviceContext->DevUnitsToAppUnits();
+ aWidth = NSToCoordRound(width * f / PANGO_SCALE);
+
+ // printf("GetWidth (char *) %d\n", aWidth);
+
+ return NS_OK;
+}
+
+nsresult
+nsFontMetricsPSPango::GetWidth(const PRUnichar* aString, PRUint32 aLength,
+ nscoord& aWidth)
+{
+ nsresult rv = NS_OK;
+ PangoLayout *layout = pango_layout_new(mPangoContext);
+
+ gchar *text = g_utf16_to_utf8(aString, aLength,
+ NULL, NULL, NULL);
+
+ if (!text) {
+ aWidth = 0;
+#ifdef DEBUG
+ NS_WARNING("nsFontMetricsPSPango::GetWidth invalid unicode to follow");
+ DUMP_PRUNICHAR(aString, aLength)
+#endif
+ rv = NS_ERROR_FAILURE;
+ goto loser;
+ }
+
+ gint width, height;
+
+ pango_layout_set_text(layout, text, strlen(text));
+ FixupSpaceWidths(layout, text);
+ pango_layout_get_size(layout, &width, &height);
+
+ float f;
+ f = mDeviceContext->DevUnitsToAppUnits();
+ aWidth = NSToCoordRound(width * f / PANGO_SCALE);
+
+ // printf("GetWidth %d\n", aWidth);
+
+ loser:
+ g_free(text);
+ g_object_unref(layout);
+
+ return rv;
+}
+
+
+nsresult
+nsFontMetricsPSPango :: GetTextDimensions(const char* aString, PRUint32 aLength,
+ nsTextDimensions& aDimensions)
+{
+ nsresult rv = NS_OK;
+
+ PangoLayout *layout = pango_layout_new(mPangoContext);
+
+ pango_layout_set_text(layout, aString, aLength);
+ FixupSpaceWidths(layout,aString);
+
+ // Get the logical extents
+ PangoLayoutLine *line;
+ if (pango_layout_get_line_count(layout) != 1) {
+ printf("Warning: more than one line!\n");
+ }
+ line = pango_layout_get_line(layout, 0);
+
+ PangoRectangle rect;
+ pango_layout_line_get_extents(line, NULL, &rect);
+
+ float P2T;
+ P2T = mDeviceContext->DevUnitsToAppUnits();
+
+ aDimensions.width = NSToCoordRound(rect.width * P2T / PANGO_SCALE);
+ aDimensions.ascent = NSToCoordRound(PANGO_ASCENT(rect) * P2T / PANGO_SCALE);
+ aDimensions.descent = NSToCoordRound(PANGO_DESCENT(rect) * P2T / PANGO_SCALE);
+
+ // printf("GetTextDimensions %d %d %d\n", aDimensions.width,
+ //aDimensions.ascent, aDimensions.descent);
+
+ loser:
+ g_object_unref(layout);
+
+ return rv;
+}
+
+nsresult
+nsFontMetricsPSPango::GetTextDimensions(const PRUnichar* aString,
+ PRUint32 aLength,
+ nsTextDimensions& aDimensions,
+ PRInt32* aFontID)
+{
+ nsresult rv = NS_OK;
+
+ PangoLayout *layout = pango_layout_new(mPangoContext);
+
+ gchar *text = g_utf16_to_utf8(aString, aLength,
+ NULL, NULL, NULL);
+
+ if (!text) {
+#ifdef DEBUG
+ NS_WARNING("nsFontMetricsPSPango::GetTextDimensions invalid unicode to follow");
+ DUMP_PRUNICHAR(aString, aLength)
+#endif
+ aDimensions.width = 0;
+ aDimensions.ascent = 0;
+ aDimensions.descent = 0;
+
+ rv = NS_ERROR_FAILURE;
+ goto loser;
+ }
+
+
+ pango_layout_set_text(layout, text, strlen(text));
+ FixupSpaceWidths(layout, text);
+
+ // Get the logical extents
+ PangoLayoutLine *line;
+ if (pango_layout_get_line_count(layout) != 1) {
+ printf("Warning: more than one line!\n");
+ }
+ line = pango_layout_get_line(layout, 0);
+
+ PangoRectangle rect;
+ pango_layout_line_get_extents(line, NULL, &rect);
+
+ float P2T;
+ P2T = mDeviceContext->DevUnitsToAppUnits();
+
+ aDimensions.width = NSToCoordRound(rect.width * P2T / PANGO_SCALE);
+ aDimensions.ascent = NSToCoordRound(PANGO_ASCENT(rect) * P2T / PANGO_SCALE);
+ aDimensions.descent = NSToCoordRound(PANGO_DESCENT(rect) * P2T / PANGO_SCALE);
+
+ // printf("GetTextDimensions %d %d %d\n", aDimensions.width,
+ //aDimensions.ascent, aDimensions.descent);
+
+ loser:
+ g_free(text);
+ g_object_unref(layout);
+
+ return rv;
+}
+
+nsresult
+nsFontMetricsPSPango::GetTextDimensions(const char* aString,
+ PRInt32 aLength,
+ PRInt32 aAvailWidth,
+ PRInt32* aBreaks,
+ PRInt32 aNumBreaks,
+ nsTextDimensions& aDimensions,
+ PRInt32& aNumCharsFit,
+ nsTextDimensions& aLastWordDimensions,
+ PRInt32* aFontID)
+{
+
+ return GetTextDimensionsInternal(aString, aLength, aAvailWidth, aBreaks,
+ aNumBreaks, aDimensions, aNumCharsFit,
+ aLastWordDimensions);
+
+}
+
+nsresult
+nsFontMetricsPSPango::GetTextDimensions(const PRUnichar* aString,
+ PRInt32 aLength,
+ PRInt32 aAvailWidth,
+ PRInt32* aBreaks,
+ PRInt32 aNumBreaks,
+ nsTextDimensions& aDimensions,
+ PRInt32& aNumCharsFit,
+ nsTextDimensions& aLastWordDimensions,
+ PRInt32* aFontID)
+{
+ nsresult rv = NS_OK;
+ PRInt32 curBreak = 0;
+ gchar *curChar;
+
+ PRInt32 *utf8Breaks = new PRInt32[aNumBreaks];
+
+ gchar *text = g_utf16_to_utf8(aString, (PRInt32)aLength,
+ NULL, NULL, NULL);
+
+ curChar = text;
+
+ if (!text) {
+#ifdef DEBUG
+ NS_WARNING("nsFontMetricsPSPango::GetWidth invalid unicode to follow");
+ DUMP_PRUNICHAR(aString, (PRUint32)aLength)
+#endif
+ rv = NS_ERROR_FAILURE;
+ goto loser;
+ }
+
+ // Covert the utf16 break offsets to utf8 break offsets
+ for (PRInt32 curOffset=0; curOffset < aLength;
+ curOffset++, curChar = g_utf8_find_next_char(curChar, NULL)) {
+ if (aBreaks[curBreak] == curOffset) {
+ utf8Breaks[curBreak] = curChar - text;
+ curBreak++;
+ }
+
+ if (IS_HIGH_SURROGATE(aString[curOffset]))
+ curOffset++;
+ }
+
+ // Always catch the last break
+ utf8Breaks[curBreak] = curChar - text;
+
+#if 0
+ if (strlen(text) != aLength) {
+ printf("Different lengths for utf16 %d and utf8 %d\n", aLength, strlen(text));
+ DUMP_PRUNICHAR(aString, aLength)
+ DUMP_PRUNICHAR(text, strlen(text))
+ for (PRInt32 i = 0; i < aNumBreaks; ++i) {
+ printf(" break %d utf16 %d utf8 %d\n", i, aBreaks[i], utf8Breaks[i]);
+ }
+ }
+#endif
+
+ // We'll use curBreak to indicate which of the breaks end up being
+ // used for the break point for this line.
+ curBreak = 0;
+ rv = GetTextDimensionsInternal(text, strlen(text), aAvailWidth, utf8Breaks,
+ aNumBreaks, aDimensions, aNumCharsFit,
+ aLastWordDimensions);
+
+ // Figure out which of the breaks we ended up using to convert
+ // back to utf16 - start from the end.
+ for (PRInt32 i = aNumBreaks - 1; i >= 0; --i) {
+ if (utf8Breaks[i] == aNumCharsFit) {
+ // if (aNumCharsFit != aBreaks[i])
+ // printf("Fixing utf8 -> utf16 %d -> %d\n", aNumCharsFit, aBreaks[i]);
+ aNumCharsFit = aBreaks[i];
+ break;
+ }
+ }
+
+ loser:
+ if (text)
+ g_free(text);
+
+ delete[] utf8Breaks;
+
+ return rv;
+}
+
+typedef struct _nsPSPangoRenderer nsPSPangoRenderer;
+typedef struct _nsPSPangoRendererClass nsPSPangoRendererClass;
+
+struct _nsPSPangoRenderer
+{
+ PangoRenderer parent_instance;
+ nsRenderingContextPS *psContext;
+ nsFontMetricsPSPango *psPangoFontMetrics;
+ float zoom;
+};
+
+struct _nsPSPangoRendererClass
+{
+ PangoRendererClass parent_class;
+};
+
+#define _PS_TYPE_PANGO_RENDERER (_ps_pango_renderer_get_type())
+#define _PS_PANGO_RENDERER(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), _PS_TYPE_PANGO_RENDERER, _nsPSPangoRenderer))
+#define _PS_IS_PANGO_RENDERER(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), _PS_TYPE_PANGO_RENDERER))
+#define _PS_PANGO_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), _PS_TYPE_PANGO_RENDERER, _nsPSPangoRendererClass))
+#define _PS_IS_PANGO_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), _PS_TYPE_PANGO_RENDERER))
+#define _PS_PANGO_RENDERER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), _PS_TYPE_PANGO_RENDERER, _nsPSPangoRendererClass))
+
+G_DEFINE_TYPE (_nsPSPangoRenderer, _ps_pango_renderer, PANGO_TYPE_RENDERER)
+
+static PangoRenderer *
+get_renderer (void)
+{
+ static PangoRenderer *renderer = NULL;
+
+ if (!renderer)
+ renderer = (PangoRenderer *) g_object_new (_PS_TYPE_PANGO_RENDERER, NULL);
+
+ return renderer;
+}
+
+static void
+_ps_pango_renderer_draw_glyphs (PangoRenderer *renderer,
+ PangoFont *font,
+ PangoGlyphString *glyphs,
+ int x,
+ int y);
+
+static void
+_ps_pango_renderer_class_init (nsPSPangoRendererClass *klass)
+{
+ PangoRendererClass *renderer_class = PANGO_RENDERER_CLASS (klass);
+
+ renderer_class->draw_glyphs = _ps_pango_renderer_draw_glyphs;
+}
+
+static void
+_ps_pango_renderer_init (nsPSPangoRenderer *renderer)
+{
+}
+
+class nsPangoType1Generator : public nsPSFontGenerator {
+public:
+ nsPangoType1Generator();
+ ~nsPangoType1Generator();
+ nsresult Init(PangoFont *aFont);
+ void GeneratePSFont(FILE* aFile);
+
+protected:
+ PangoFont *mFont;
+};
+
+nsPangoType1Generator::nsPangoType1Generator()
+{
+}
+
+nsresult
+nsPangoType1Generator::Init(PangoFont *aFont)
+{
+ NS_ENSURE_TRUE(aFont, NS_ERROR_FAILURE);
+ mFont = aFont;
+ g_object_ref (mFont);
+ return NS_OK;
+}
+
+nsPangoType1Generator::~nsPangoType1Generator()
+{
+ g_object_unref (mFont);
+ mFont = nsnull;
+}
+
+void nsPangoType1Generator::GeneratePSFont(FILE* aFile)
+{
+ FT_Face face = pango_fc_font_lock_face ((PangoFcFont *) mFont);
+
+ if (face == nsnull)
+ return;
+
+ int wmode = 0;
+ if (mGlyphSubset->Count())
+ FT2SubsetToType1FontSet(face, mGlyphSubset, wmode, aFile);
+
+ pango_fc_font_unlock_face ((PangoFcFont *) mFont);
+}
+
+typedef struct
+{
+ nsCString *FontNameBase;
+ nsCStringKey *key;
+ int font_size;
+} PSPangoFontData;
+
+static void
+ps_pango_font_data_destroy (PSPangoFontData *data)
+{
+ delete data->key;
+ delete data->FontNameBase;
+ g_free (data);
+}
+
+static void
+flattenName(nsCString& aString)
+{
+ nsCString::iterator start, end;
+ aString.BeginWriting(start);
+ aString.EndWriting(end);
+ while(start != end) {
+ if (*start == ' ')
+ *start= '_';
+ else if (*start == '(')
+ *start = '_';
+ else if (*start == ')')
+ *start = '_';
+ ++start;
+ }
+}
+
+static void
+_ps_pango_renderer_draw_glyphs (PangoRenderer *renderer,
+ PangoFont *font,
+ PangoGlyphString *glyphs,
+ int x,
+ int y)
+{
+ if (!glyphs->num_glyphs)
+ return;
+
+ static GQuark data_quark = 0;
+ if (!data_quark)
+ data_quark = g_quark_from_static_string ("ps-pango-font-data");
+
+ PSPangoFontData *data;
+ if (!(data = (PSPangoFontData *) g_object_get_qdata (G_OBJECT (font), data_quark)))
+ {
+ data = g_new (PSPangoFontData, 1);
+
+ FT_Face face = pango_fc_font_lock_face ((PangoFcFont *) font);
+ if (face == nsnull)
+ return;
+ int wmode = 0;
+ data->FontNameBase = new nsCString ();
+ if (NS_FAILED(FT2ToType1FontName(face, wmode, *data->FontNameBase))) {
+ g_free (data);
+ pango_fc_font_unlock_face ((PangoFcFont *) font);
+ return;
+ }
+ pango_fc_font_unlock_face ((PangoFcFont *) font);
+
+ PangoFontDescription *desc = pango_font_describe (font);
+ data->font_size = pango_font_description_get_size (desc);
+ pango_font_description_free (desc);
+
+ data->key = new nsCStringKey (*data->FontNameBase);
+
+ g_object_set_qdata_full (G_OBJECT (font), data_quark, data, (GDestroyNotify) ps_pango_font_data_destroy);
+ }
+
+ nsPSPangoRenderer *ps_renderer = (nsPSPangoRenderer *)renderer;
+ nsRenderingContextPS *aContext = ps_renderer->psContext;
+ nsFontMetricsPSPango *metrics = ps_renderer->psPangoFontMetrics;
+ nsDeviceContextPS* dc = NS_REINTERPRET_CAST (nsDeviceContextPS*, metrics->GetDeviceContext());
+ nsPostScriptObj* psObj = aContext->GetPostScriptObj();
+ nsHashtable *psFGList = dc->GetPSFontGeneratorList();
+ g_return_if_fail (psFGList);
+ nsPSFontGenerator* psFontGen = (nsPSFontGenerator*) psFGList->Get(data->key);
+ if (!psFontGen) {
+ nsresult rv;
+ psFontGen = new nsPangoType1Generator;
+ g_return_if_fail (psFontGen);
+ rv = ((nsPangoType1Generator*)psFontGen)->Init(font);
+ if (NS_FAILED(rv)) {
+ delete psFontGen;
+ return;
+ }
+ psFGList->Put(data->key, (void *) psFontGen);
+ }
+ nscoord font_size = NSToCoordRound (ps_renderer->zoom * data->font_size / PANGO_SCALE);
+
+ g_return_if_fail (aContext);
+ g_return_if_fail (psObj);
+
+ nscoord aX = NSToCoordRound(ps_renderer->zoom * x / PANGO_SCALE);
+ nscoord aY = NSToCoordRound(ps_renderer->zoom * y / PANGO_SCALE);
+ psObj->moveto(aX, aY);
+
+ PRInt32 currSubFont, prevSubFont = -1;
+ PRUint32 i;
+ PangoGlyphString gl;
+
+ gl.glyphs = glyphs->glyphs;
+ gl.num_glyphs = 0;
+ for (i = 0; i < glyphs->num_glyphs; ++i) {
+ currSubFont = psFontGen->AddToGlyphSubset(glyphs->glyphs[i].glyph >= 0x00ffffff ? 0 : glyphs->glyphs[i].glyph);
+ if (prevSubFont != currSubFont) {
+ if (prevSubFont != -1)
+ psObj->show(&gl, ps_renderer->zoom, psFontGen, prevSubFont);
+
+
+ psObj->setfont(*data->FontNameBase, (PRUint32) font_size, currSubFont);
+ prevSubFont = currSubFont;
+ gl.glyphs = glyphs->glyphs + i;
+ gl.num_glyphs = 0;
+ }
+
+ gl.num_glyphs++;
+ }
+
+ if (prevSubFont != -1)
+ psObj->show(&gl, ps_renderer->zoom, psFontGen, prevSubFont);
+}
+
+static void
+draw_layout_line (int x, int y, PangoLayoutLine *line, nsFontMetricsPSPango *aPSPangoFontMetrics, nsRenderingContextPS *aContext)
+{
+ PangoRenderer *renderer = get_renderer ();
+ nsPSPangoRenderer *ps_renderer = (nsPSPangoRenderer *)renderer;
+ ps_renderer->psContext = aContext;
+ ps_renderer->psPangoFontMetrics = aPSPangoFontMetrics;
+ nsDeviceContextPS* dc = NS_REINTERPRET_CAST (nsDeviceContextPS*, aPSPangoFontMetrics->GetDeviceContext());
+ ps_renderer->zoom = dc->DevUnitsToAppUnits();
+
+ pango_renderer_draw_layout_line (renderer, line,
+ NSToCoordRound (x * PANGO_SCALE / ps_renderer->zoom),
+ NSToCoordRound (y * PANGO_SCALE / ps_renderer->zoom));
+}
+
+nsresult
+nsFontMetricsPSPango::DrawString(const char *aString, PRUint32 aLength,
+ nscoord aX, nscoord aY,
+ const nscoord* aSpacing,
+ nsRenderingContextPS *aContext)
+{
+ PangoLayout *layout = pango_layout_new(mPangoContext);
+
+ pango_layout_set_text(layout, aString, aLength);
+ FixupSpaceWidths(layout, aString);
+
+ int x = aX;
+ int y = aY;
+
+ aContext->GetTranMatrix()->TransformCoord(&x, &y);
+
+ PangoLayoutLine *line;
+ if (pango_layout_get_line_count(layout) != 1) {
+ printf("Warning: more than one line!\n");
+ }
+ line = pango_layout_get_line(layout, 0);
+
+ if (aSpacing && *aSpacing) {
+ DrawStringSlowly(aString, NULL, aLength, x, y, line, aSpacing, aContext);
+ }
+ else {
+ draw_layout_line (x, y, line, this, aContext);
+ }
+
+ g_object_unref(layout);
+
+ return NS_OK;
+}
+
+nsresult
+nsFontMetricsPSPango::DrawString(const PRUnichar* aString, PRUint32 aLength,
+ nscoord aX, nscoord aY,
+ PRInt32 aFontID,
+ const nscoord* aSpacing,
+ nsRenderingContextPS *aContext)
+{
+ nsresult rv = NS_OK;
+ int x = aX;
+ int y = aY;
+
+ PangoLayout *layout = pango_layout_new(mPangoContext);
+
+ gchar *text = g_utf16_to_utf8(aString, aLength,
+ NULL, NULL, NULL);
+ if (!text) {
+#ifdef DEBUG
+ NS_WARNING("nsFontMetricsPSPango::DrawString invalid unicode to follow");
+ DUMP_PRUNICHAR(aString, aLength)
+#endif
+ rv = NS_ERROR_FAILURE;
+ goto loser;
+ }
+
+ pango_layout_set_text(layout, text, strlen(text));
+ FixupSpaceWidths(layout, text);
+
+ aContext->GetTranMatrix()->TransformCoord(&x, &y);
+
+ PangoLayoutLine *line;
+ if (pango_layout_get_line_count(layout) != 1) {
+ printf("Warning: more than one line!\n");
+ }
+ line = pango_layout_get_line(layout, 0);
+
+ if (aSpacing && *aSpacing) {
+ DrawStringSlowly(text, aString, aLength, x, y, line, aSpacing, aContext);
+ }
+ else {
+ draw_layout_line (x, y, line, this, aContext);
+ }
+
+ loser:
+
+ g_free(text);
+ g_object_unref(layout);
+
+ return rv;
+}
+
+#ifdef MOZ_MATHML
+nsresult
+nsFontMetricsPSPango::GetBoundingMetrics(const char *aString, PRUint32 aLength,
+ nsBoundingMetrics &aBoundingMetrics)
+{
+ printf("GetBoundingMetrics (char *)\n");
+ return NS_ERROR_FAILURE;
+}
+
+nsresult
+nsFontMetricsPSPango::GetBoundingMetrics(const PRUnichar *aString,
+ PRUint32 aLength,
+ nsBoundingMetrics &aBoundingMetrics,
+ PRInt32 *aFontID)
+{
+ nsresult rv = NS_OK;
+ PangoLayout *layout = pango_layout_new(mPangoContext);
+
+ gchar *text = g_utf16_to_utf8(aString, aLength,
+ NULL, NULL, NULL);
+
+ if (!text) {
+#ifdef DEBUG
+ NS_WARNING("nsFontMetricsPSPango::GetBoundingMetrics invalid unicode to follow");
+ DUMP_PRUNICHAR(aString, aLength)
+#endif
+ aBoundingMetrics.leftBearing = 0;
+ aBoundingMetrics.rightBearing = 0;
+ aBoundingMetrics.width = 0;
+ aBoundingMetrics.ascent = 0;
+ aBoundingMetrics.descent = 0;
+
+ rv = NS_ERROR_FAILURE;
+ goto loser;
+ }
+
+ pango_layout_set_text(layout, text, -1);
+ FixupSpaceWidths(layout, text);
+
+ PangoLayoutLine *line;
+ if (pango_layout_get_line_count(layout) != 1) {
+ printf("Warning: more than one line!\n");
+ }
+ line = pango_layout_get_line(layout, 0);
+
+ // Get the ink and logical extents
+ PangoRectangle ink, logical;
+ pango_layout_line_get_extents(line, &ink, &logical);
+
+ float P2T;
+ P2T = mDeviceContext->DevUnitsToAppUnits();
+
+ aBoundingMetrics.leftBearing = NSToCoordRound(PANGO_LBEARING(ink) * P2T / PANGO_SCALE);
+ aBoundingMetrics.rightBearing = NSToCoordRound(PANGO_RBEARING(ink) * P2T / PANGO_SCALE);
+ aBoundingMetrics.ascent = NSToCoordRound(PANGO_ASCENT(ink) * P2T / PANGO_SCALE);
+ aBoundingMetrics.descent = NSToCoordRound(PANGO_DESCENT(ink) * P2T / PANGO_SCALE);
+ aBoundingMetrics.width = NSToCoordRound(logical.width * P2T / PANGO_SCALE);
+
+ loser:
+ g_free(text);
+ g_object_unref(layout);
+
+ return rv;
+}
+
+#endif /* MOZ_MATHML */
+
+nsresult
+nsFontMetricsPSPango::SetRightToLeftText(PRBool aIsRTL)
+{
+ if (aIsRTL) {
+ if (!mRTLPangoContext) {
+ mRTLPangoContext = get_context();
+ pango_context_set_base_dir(mRTLPangoContext, PANGO_DIRECTION_RTL);
+
+ pango_context_set_language(mRTLPangoContext, GetPangoLanguage(mLangGroup));
+ pango_context_set_font_description(mRTLPangoContext, mPangoFontDesc);
+ }
+ mPangoContext = mRTLPangoContext;
+ }
+ else {
+ mPangoContext = mLTRPangoContext;
+ }
+
+ mIsRTL = aIsRTL;
+ return NS_OK;
+}
+
+nsresult
+nsFontMetricsPSPango::GetClusterInfo(const PRUnichar *aText,
+ PRUint32 aLength,
+ PRUint8 *aClusterStarts)
+{
+ nsresult rv = NS_OK;
+ PangoLogAttr *attrs = NULL;
+ gint n_attrs = 0;
+ PangoLayout *layout = pango_layout_new(mPangoContext);
+
+ // Convert the incoming UTF-16 to UTF-8
+ gchar *text = g_utf16_to_utf8(aText, aLength, NULL, NULL, NULL);
+
+ if (!text) {
+#ifdef DEBUG
+ NS_WARNING("nsFontMetricsPSPango::GetWidth invalid unicode to follow");
+ DUMP_PRUNICHAR(aText, aLength)
+#endif
+ rv = NS_ERROR_FAILURE;
+ goto loser;
+ }
+
+ // Set up the pango layout
+ pango_layout_set_text(layout, text, strlen(text));
+ FixupSpaceWidths(layout, text);
+
+ // Convert back to UTF-16 while filling in the cluster info
+ // structure.
+ pango_layout_get_log_attrs(layout, &attrs, &n_attrs);
+
+ for (PRUint32 pos = 0; pos < aLength; pos++) {
+ if (IS_HIGH_SURROGATE(aText[pos])) {
+ aClusterStarts[pos] = 1;
+ pos++;
+ }
+ else {
+ aClusterStarts[pos] = attrs[pos].is_cursor_position;
+ }
+ }
+
+ loser:
+ if (attrs)
+ g_free(attrs);
+ if (text)
+ g_free(text);
+ if (layout)
+ g_object_unref(layout);
+
+ return rv;
+}
+
+PRInt32
+nsFontMetricsPSPango::GetPosition(const PRUnichar *aText, PRUint32 aLength,
+ nsPoint aPt)
+{
+ int trailing = 0;
+ int inx = 0;
+ const gchar *curChar;
+ PRInt32 retval = 0;
+
+ float f = mDeviceContext->AppUnitsToDevUnits();
+
+ PangoLayout *layout = pango_layout_new(mPangoContext);
+ PRUint32 localX = (PRUint32)(aPt.x * PANGO_SCALE * f);
+ PRUint32 localY = (PRUint32)(aPt.y * PANGO_SCALE * f);
+
+ // Convert the incoming UTF-16 to UTF-8
+ gchar *text = g_utf16_to_utf8(aText, aLength, NULL, NULL, NULL);
+
+ if (!text) {
+#ifdef DEBUG
+ NS_WARNING("nsFontMetricsPSPango::GetWidth invalid unicode to follow");
+ DUMP_PRUNICHAR(aText, aLength)
+#endif
+ retval = -1;
+ goto loser;
+ }
+
+ // Set up the pango layout
+ pango_layout_set_text(layout, text, strlen(text));
+ FixupSpaceWidths(layout, text);
+
+ pango_layout_xy_to_index(layout, localX, localY,
+ &inx, &trailing);
+
+ // Convert the index back to the utf-16 index
+ curChar = text;
+
+ for (PRUint32 curOffset=0; curOffset < aLength;
+ curOffset++, curChar = g_utf8_find_next_char(curChar, NULL)) {
+
+ // Check for a match before checking for a surrogate pair
+ if (curChar - text == inx) {
+ retval = curOffset;
+ break;
+ }
+
+ if (IS_HIGH_SURROGATE(aText[curOffset]))
+ curOffset++;
+ }
+
+ // If there was a trailing result, advance the index pointer the
+ // number of characters equal to the trailing result.
+ while (trailing) {
+ retval++;
+ // Yes, this can make aInx > length to indicate the end of the
+ // string.
+ if (retval < (PRInt32)aLength && IS_HIGH_SURROGATE(aText[retval]))
+ retval++;
+ trailing--;
+ }
+
+ loser:
+ if (text)
+ g_free(text);
+ if (layout)
+ g_object_unref(layout);
+
+ return retval;
+}
+
+nsresult
+nsFontMetricsPSPango::GetRangeWidth(const PRUnichar *aText,
+ PRUint32 aLength,
+ PRUint32 aStart,
+ PRUint32 aEnd,
+ PRUint32 &aWidth)
+{
+ nsresult rv = NS_OK;
+ PRUint32 utf8Start = 0;
+ PRUint32 utf8End = 0;
+
+ aWidth = 0;
+
+ // Convert the incoming UTF-16 to UTF-8
+ gchar *text = g_utf16_to_utf8(aText, aLength, NULL, NULL, NULL);
+ gchar *curChar = text;
+
+ if (!text) {
+#ifdef DEBUG
+ NS_WARNING("nsFontMetricsPSPango::GetWidth invalid unicode to follow");
+ DUMP_PRUNICHAR(aText, aLength)
+#endif
+ rv = NS_ERROR_FAILURE;
+ goto loser;
+ }
+
+ // Convert the utf16 offsets into utf8 offsets
+ for (PRUint32 curOffset = 0; curOffset < aLength;
+ curOffset++, curChar = g_utf8_find_next_char(curChar, NULL)) {
+
+ if (curOffset == aStart)
+ utf8Start = curChar - text;
+
+ if (curOffset == aEnd)
+ utf8End = curChar - text;
+
+ if (IS_HIGH_SURROGATE(aText[curOffset]))
+ curOffset++;
+ }
+
+ // Special case where the end index is the same as the length
+ if (aLength == aEnd)
+ utf8End = strlen(text);
+
+ rv = GetRangeWidth(text, strlen(text), utf8Start, utf8End, aWidth);
+
+ loser:
+ if (text)
+ g_free(text);
+
+ return rv;
+}
+
+nsresult
+nsFontMetricsPSPango::GetRangeWidth(const char *aText,
+ PRUint32 aLength,
+ PRUint32 aStart,
+ PRUint32 aEnd,
+ PRUint32 &aWidth)
+{
+ nsresult rv = NS_OK;
+ int *ranges = NULL;
+ int n_ranges = 0;
+ float f;
+
+ aWidth = 0;
+
+ PangoLayout *layout = pango_layout_new(mPangoContext);
+
+ if (!aText) {
+ rv = NS_ERROR_FAILURE;
+ goto loser;
+ }
+
+ pango_layout_set_text(layout, aText, aLength);
+ FixupSpaceWidths(layout, aText);
+
+ PangoLayoutLine *line;
+ if (pango_layout_get_line_count(layout) != 1) {
+ printf("Warning: more than one line!\n");
+ }
+ line = pango_layout_get_line(layout, 0);
+
+ pango_layout_line_get_x_ranges(line, aStart, aEnd, &ranges, &n_ranges);
+
+ aWidth = (ranges[((n_ranges - 1) * 2) + 1] - ranges[0]);
+
+ f = mDeviceContext-> DevUnitsToAppUnits();
+ aWidth = nscoord(aWidth * f / PANGO_SCALE);
+
+ loser:
+ if (ranges)
+ g_free(ranges);
+ if (layout)
+ g_object_unref(layout);
+
+ return rv;
+}
+
+PRUint32
+nsFontMetricsPSPango::GetHints(void)
+{
+ return (NS_RENDERING_HINT_BIDI_REORDERING |
+ NS_RENDERING_HINT_ARABIC_SHAPING |
+ NS_RENDERING_HINT_FAST_MEASURE |
+ NS_RENDERING_HINT_REORDER_SPACED_TEXT |
+ NS_RENDERING_HINT_TEXT_CLUSTERS);
+}
+
+/* static */
+nsresult
+nsFontMetricsPSPango::FamilyExists(nsIDeviceContext *aDevice,
+ const nsString &aName)
+{
+ // fontconfig family name is always in UTF-8
+ NS_ConvertUTF16toUTF8 name(aName);
+
+ nsresult rv = NS_ERROR_FAILURE;
+ PangoContext *context = get_context();
+ PangoFontFamily **familyList;
+ int n;
+
+ pango_context_list_families(context, &familyList, &n);
+
+ for (int i=0; i < n; i++) {
+ const char *tmpname = pango_font_family_get_name(familyList[i]);
+ if (!Compare(nsDependentCString(tmpname), name,
+ nsCaseInsensitiveCStringComparator())) {
+ rv = NS_OK;
+ break;
+ }
+ }
+
+ g_free(familyList);
+ g_object_unref(context);
+
+ return rv;
+}
+
+// Private Methods
+
+nsresult
+nsFontMetricsPSPango::RealizeFont(void)
+{
+ nsCString familyList;
+ // Create and fill out the font description.
+ mPangoFontDesc = pango_font_description_new();
+
+ // Add CSS names - walk the list of fonts, adding the generic as
+ // the last font
+ for (int i=0; i < mFontList.Count(); ++i) {
+ // if this was a generic name, break out of the loop since we
+ // don't want to add it to the pattern yet
+ if (mFontIsGeneric[i])
+ break;;
+
+ nsCString *familyName = mFontList.CStringAt(i);
+ familyList.Append(familyName->get());
+ familyList.Append(',');
+ }
+
+ // If there's a generic add a pref for the generic if there's one
+ // set.
+ if (mGenericFont && !mFont.systemFont) {
+ nsCString name;
+ name += "font.name.";
+ name += mGenericFont->get();
+ name += ".";
+
+ nsString langGroup;
+ mLangGroup->ToString(langGroup);
+
+ name.AppendWithConversion(langGroup);
+
+ nsCOMPtr<nsIPref> pref;
+ pref = do_GetService(NS_PREF_CONTRACTID);
+ if (pref) {
+ nsresult rv;
+ nsXPIDLCString value;
+ rv = pref->GetCharPref(name.get(), getter_Copies(value));
+
+ // we ignore prefs that have three hypens since they are X
+ // style prefs.
+ if (NS_FFRECountHyphens(value) < 3) {
+ nsCString tmpstr;
+ tmpstr.Append(value);
+
+ familyList.Append(tmpstr);
+ familyList.Append(',');
+ }
+ }
+ }
+
+ // Add the generic if there is one.
+ if (mGenericFont && !mFont.systemFont) {
+ familyList.Append(mGenericFont->get());
+ familyList.Append(',');
+ }
+
+ // Set the family
+ pango_font_description_set_family(mPangoFontDesc,
+ familyList.get());
+
+ // Set the point size
+ pango_font_description_set_size(mPangoFontDesc,
+ (gint)(mPointSize * PANGO_SCALE));
+
+ // Set the style
+ pango_font_description_set_style(mPangoFontDesc,
+ CalculateStyle(mFont.style));
+
+ // Set the weight
+ pango_font_description_set_weight(mPangoFontDesc,
+ CalculateWeight(mFont.weight));
+
+ // Now that we have the font description set up, create the
+ // context.
+ mLTRPangoContext = get_context();
+ mPangoContext = mLTRPangoContext;
+
+ // Make sure to set the base direction to LTR - if layout needs to
+ // render RTL text it will use ::SetRightToLeftText()
+ pango_context_set_base_dir(mPangoContext, PANGO_DIRECTION_LTR);
+
+ // Set the pango language now that we have a context
+ pango_context_set_language(mPangoContext, GetPangoLanguage(mLangGroup));
+
+ // And attach the font description to this context
+ pango_context_set_font_description(mPangoContext, mPangoFontDesc);
+
+ return NS_OK;
+}
+
+/* static */
+PRBool
+nsFontMetricsPSPango::EnumFontCallback(const nsString &aFamily,
+ PRBool aIsGeneric, void *aData)
+{
+ NS_ConvertUTF16toUTF8 name(aFamily);
+
+ // The newest fontconfig does the full Unicode case folding so that
+ // we're being lazy here by calling |ToLowerCase| after converting
+ // to UTF-8 assuming that in virtually all cases, we just have to
+ // fold [A-Z]. (bug 223653).
+ ToLowerCase(name);
+ nsFontMetricsPSPango *metrics = (nsFontMetricsPSPango *)aData;
+ metrics->mFontList.AppendCString(name);
+ metrics->mFontIsGeneric.AppendElement((void *)aIsGeneric);
+ if (aIsGeneric) {
+ metrics->mGenericFont =
+ metrics->mFontList.CStringAt(metrics->mFontList.Count() - 1);
+ return PR_FALSE; // stop processing
+ }
+
+ return PR_TRUE; // keep processing
+}
+
+/*
+ * This is only used when there's per-character spacing happening.
+ * Well, really it can be either line or character spacing but it's
+ * just turtles all the way down!
+ */
+
+void
+nsFontMetricsPSPango::DrawStringSlowly(const gchar *aText,
+ const PRUnichar *aOrigString,
+ PRUint32 aLength,
+ gint aX, gint aY,
+ PangoLayoutLine *aLine,
+ const nscoord *aSpacing,
+ nsRenderingContextPS *aContext)
+{
+ float app2dev;
+ app2dev = mDeviceContext->AppUnitsToDevUnits();
+ gint offset = 0;
+
+ /*
+ * We walk the list of glyphs returned in each layout run,
+ * matching up the glyphs with the characters in the source text.
+ * We use the aSpacing argument to figure out where to place those
+ * glyphs. It's important to note that since the string we're
+ * working with is in UTF-8 while the spacing argument assumes
+ * that offset will be part of the UTF-16 string. Logical
+ * attributes in pango are in byte offsets in the UTF-8 string, so
+ * we need to store the offsets based on the UTF-8 string.
+ */
+ nscoord *utf8spacing = new nscoord[strlen(aText)];
+
+ if (aOrigString) {
+ const gchar *curChar = aText;
+ bzero(utf8spacing, sizeof(nscoord) * strlen(aText));
+
+ // Covert the utf16 spacing offsets to utf8 spacing offsets
+ for (PRUint32 curOffset=0; curOffset < aLength;
+ curOffset++, curChar = g_utf8_find_next_char(curChar, NULL)) {
+ utf8spacing[curChar - aText] = aSpacing[curOffset];
+
+ if (IS_HIGH_SURROGATE(aOrigString[curOffset]))
+ curOffset++;
+ }
+ }
+ else {
+ memcpy(utf8spacing, aSpacing, (sizeof(nscoord *) * aLength));
+ }
+
+ gint curRun = 0;
+
+ for (GSList *tmpList = aLine->runs; tmpList && tmpList->data;
+ tmpList = tmpList->next, curRun++) {
+ PangoLayoutRun *layoutRun = (PangoLayoutRun *)tmpList->data;
+ gint tmpOffset = 0;
+
+ /* printf(" Rendering run %d: \"%s\"\n", curRun,
+ &aText[layoutRun->item->offset]); */
+
+ for (gint i=0; i < layoutRun->glyphs->num_glyphs; i++) {
+ /* printf("glyph %d offset %d orig width %d new width %d\n", i,
+ * layoutRun->glyphs->log_clusters[i] + layoutRun->item->offset,
+ * layoutRun->glyphs->glyphs[i].geometry.width,
+ * (gint)(utf8spacing[layoutRun->glyphs->log_clusters[i] + layoutRun->item->offset] * app2dev * PANGO_SCALE));
+ */
+ gint thisOffset = (gint)(utf8spacing[layoutRun->glyphs->log_clusters[i] + layoutRun->item->offset]
+ * app2dev * PANGO_SCALE);
+ layoutRun->glyphs->glyphs[i].geometry.width = thisOffset;
+ tmpOffset += thisOffset;
+ }
+
+ /* printf(" rendering at X coord %d\n", aX + offset); */
+ offset += tmpOffset;
+ }
+
+ draw_layout_line (aX, aY, aLine, this, aContext);
+
+ delete[] utf8spacing;
+}
+
+nsresult
+nsFontMetricsPSPango::GetTextDimensionsInternal(const gchar* aString,
+ PRInt32 aLength,
+ PRInt32 aAvailWidth,
+ PRInt32* aBreaks,
+ PRInt32 aNumBreaks,
+ nsTextDimensions& aDimensions,
+ PRInt32& aNumCharsFit,
+ nsTextDimensions& aLastWordDimensions)
+{
+ NS_PRECONDITION(aBreaks[aNumBreaks - 1] == aLength, "invalid break array");
+
+ // If we need to back up this state represents the last place
+ // we could break. We can use this to avoid remeasuring text
+ PRInt32 prevBreakState_BreakIndex = -1; // not known
+ // (hasn't been computed)
+ nscoord prevBreakState_Width = 0; // accumulated width to this point
+
+ // Initialize OUT parameters
+ GetMaxAscent(aLastWordDimensions.ascent);
+ GetMaxDescent(aLastWordDimensions.descent);
+ aLastWordDimensions.width = -1;
+ aNumCharsFit = 0;
+
+ // Iterate each character in the string and determine which font to use
+ nscoord width = 0;
+ PRInt32 start = 0;
+ nscoord aveCharWidth;
+ GetAveCharWidth(aveCharWidth);
+
+ while (start < aLength) {
+ // Estimate how many characters will fit. Do that by
+ // diving the available space by the average character
+ // width. Make sure the estimated number of characters is
+ // at least 1
+ PRInt32 estimatedNumChars = 0;
+
+ if (aveCharWidth > 0)
+ estimatedNumChars = (aAvailWidth - width) / aveCharWidth;
+
+ if (estimatedNumChars < 1)
+ estimatedNumChars = 1;
+
+ // Find the nearest break offset
+ PRInt32 estimatedBreakOffset = start + estimatedNumChars;
+ PRInt32 breakIndex;
+ nscoord numChars;
+
+ // Find the nearest place to break that is less than or equal to
+ // the estimated break offset
+ if (aLength <= estimatedBreakOffset) {
+ // All the characters should fit
+ numChars = aLength - start;
+ breakIndex = aNumBreaks - 1;
+ }
+ else {
+ breakIndex = prevBreakState_BreakIndex;
+ while (((breakIndex + 1) < aNumBreaks) &&
+ (aBreaks[breakIndex + 1] <= estimatedBreakOffset)) {
+ ++breakIndex;
+ }
+
+ if (breakIndex == prevBreakState_BreakIndex) {
+ ++breakIndex; // make sure we advanced past the
+ // previous break index
+ }
+
+ numChars = aBreaks[breakIndex] - start;
+ }
+
+ // Measure the text
+ nscoord twWidth = 0;
+ if ((1 == numChars) && (aString[start] == ' '))
+ GetSpaceWidth(twWidth);
+ else if (numChars > 0)
+ GetWidth(&aString[start], numChars, twWidth);
+
+ // See if the text fits
+ PRBool textFits = (twWidth + width) <= aAvailWidth;
+
+ // If the text fits then update the width and the number of
+ // characters that fit
+ if (textFits) {
+ aNumCharsFit += numChars;
+ width += twWidth;
+ start += numChars;
+
+ // This is a good spot to back up to if we need to so remember
+ // this state
+ prevBreakState_BreakIndex = breakIndex;
+ prevBreakState_Width = width;
+ }
+ else {
+ // See if we can just back up to the previous saved
+ // state and not have to measure any text
+ if (prevBreakState_BreakIndex > 0) {
+ // If the previous break index is just before the
+ // current break index then we can use it
+ if (prevBreakState_BreakIndex == (breakIndex - 1)) {
+ aNumCharsFit = aBreaks[prevBreakState_BreakIndex];
+ width = prevBreakState_Width;
+ break;
+ }
+ }
+
+ // We can't just revert to the previous break state
+ if (0 == breakIndex) {
+ // There's no place to back up to, so even though
+ // the text doesn't fit return it anyway
+ aNumCharsFit += numChars;
+ width += twWidth;
+ break;
+ }
+
+ // Repeatedly back up until we get to where the text
+ // fits or we're all the way back to the first word
+ width += twWidth;
+ while ((breakIndex >= 1) && (width > aAvailWidth)) {
+ twWidth = 0;
+ start = aBreaks[breakIndex - 1];
+ numChars = aBreaks[breakIndex] - start;
+
+ if ((1 == numChars) && (aString[start] == ' '))
+ GetSpaceWidth(twWidth);
+ else if (numChars > 0)
+ GetWidth(&aString[start], numChars, twWidth);
+ width -= twWidth;
+ aNumCharsFit = start;
+ breakIndex--;
+ }
+ break;
+ }
+ }
+
+ aDimensions.width = width;
+ GetMaxAscent(aDimensions.ascent);
+ GetMaxDescent(aDimensions.descent);
+
+ /* printf("aDimensions %d %d %d aLastWordDimensions %d %d %d aNumCharsFit %d\n",
+ aDimensions.width, aDimensions.ascent, aDimensions.descent,
+ aLastWordDimensions.width, aLastWordDimensions.ascent, aLastWordDimensions.descent,
+ aNumCharsFit); */
+
+ return NS_OK;
+}
+
+void
+nsFontMetricsPSPango::FixupSpaceWidths (PangoLayout *aLayout,
+ const char *aString)
+{
+ PangoLayoutLine *line = pango_layout_get_line(aLayout, 0);
+
+ gint curRun = 0;
+
+ for (GSList *tmpList = line->runs; tmpList && tmpList->data;
+ tmpList = tmpList->next, curRun++) {
+ PangoLayoutRun *layoutRun = (PangoLayoutRun *)tmpList->data;
+
+ for (gint i=0; i < layoutRun->glyphs->num_glyphs; i++) {
+ gint thisOffset = (gint)layoutRun->glyphs->log_clusters[i] + layoutRun->item->offset;
+ if (aString[thisOffset] == ' ')
+ layoutRun->glyphs->glyphs[i].geometry.width = mPangoSpaceWidth;
+ }
+ }
+}
+
+/* static */
+PangoLanguage *
+GetPangoLanguage(nsIAtom *aLangGroup)
+{
+ // Find the FC lang group for this lang group
+ nsCAutoString cname;
+ aLangGroup->ToUTF8String(cname);
+
+ // see if the lang group needs to be translated from mozilla's
+ // internal mapping into fontconfig's
+ const MozGtkLangGroup *langGroup;
+ langGroup = NS_FindFCLangGroup(cname);
+
+ // if there's no lang group, just use the lang group as it was
+ // passed to us
+ //
+ // we're casting away the const here for the strings - should be
+ // safe.
+ if (!langGroup)
+ return pango_language_from_string(cname.get());
+ else if (langGroup->Lang)
+ return pango_language_from_string((char *) langGroup->Lang);
+
+ return pango_language_from_string("en");
+}
+
+/* static */
+void
+FreeGlobals(void)
+{
+}
+
+/* static */
+PangoStyle
+CalculateStyle(PRUint8 aStyle)
+{
+ switch(aStyle) {
+ case NS_FONT_STYLE_ITALIC:
+ return PANGO_STYLE_OBLIQUE;
+ break;
+ case NS_FONT_STYLE_OBLIQUE:
+ return PANGO_STYLE_OBLIQUE;
+ break;
+ }
+
+ return PANGO_STYLE_NORMAL;
+}
+
+/* static */
+PangoWeight
+CalculateWeight (PRUint16 aWeight)
+{
+ /*
+ * weights come in two parts crammed into one
+ * integer -- the "base" weight is weight / 100,
+ * the rest of the value is the "offset" from that
+ * weight -- the number of steps to move to adjust
+ * the weight in the list of supported font weights,
+ * this value can be negative or positive.
+ */
+ PRInt32 baseWeight = (aWeight + 50) / 100;
+ PRInt32 offset = aWeight - baseWeight * 100;
+
+ /* clip weights to range 0 to 9 */
+ if (baseWeight < 0)
+ baseWeight = 0;
+ if (baseWeight > 9)
+ baseWeight = 9;
+
+ /* Map from weight value to fcWeights index */
+ static int fcWeightLookup[10] = {
+ 0, 0, 0, 0, 1, 1, 2, 3, 3, 4,
+ };
+
+ PRInt32 fcWeight = fcWeightLookup[baseWeight];
+
+ /*
+ * adjust by the offset value, make sure we stay inside the
+ * fcWeights table
+ */
+ fcWeight += offset;
+
+ if (fcWeight < 0)
+ fcWeight = 0;
+ if (fcWeight > 4)
+ fcWeight = 4;
+
+ /* Map to final PANGO_WEIGHT value */
+ static int fcWeights[5] = {
+ 349,
+ 499,
+ 649,
+ 749,
+ 999
+ };
+
+ return (PangoWeight)fcWeights[fcWeight];
+}
+
+/* static */
+nsresult
+EnumFontsPango(nsIAtom* aLangGroup, const char* aGeneric,
+ PRUint32* aCount, PRUnichar*** aResult)
+{
+ FcPattern *pat = NULL;
+ FcObjectSet *os = NULL;
+ FcFontSet *fs = NULL;
+ nsresult rv = NS_ERROR_FAILURE;
+
+ PRUnichar **array = NULL;
+ PRUint32 narray = 0;
+ PRInt32 serif = 0, sansSerif = 0, monospace = 0, nGenerics;
+
+ *aCount = 0;
+ *aResult = nsnull;
+
+ pat = FcPatternCreate();
+ if (!pat)
+ goto end;
+
+ os = FcObjectSetBuild(FC_FAMILY, FC_FOUNDRY, NULL);
+ if (!os)
+ goto end;
+
+ // take the pattern and add the lang group to it
+ if (aLangGroup)
+ NS_AddLangGroup(pat, aLangGroup);
+
+ // get the font list
+ fs = FcFontList(0, pat, os);
+
+ if (!fs)
+ goto end;
+
+ if (!fs->nfont) {
+ rv = NS_OK;
+ goto end;
+ }
+
+ // Fontconfig supports 3 generic fonts, "serif", "sans-serif", and
+ // "monospace", slightly different from CSS's 5.
+ if (!aGeneric)
+ serif = sansSerif = monospace = 1;
+ else if (!strcmp(aGeneric, "serif"))
+ serif = 1;
+ else if (!strcmp(aGeneric, "sans-serif"))
+ sansSerif = 1;
+ else if (!strcmp(aGeneric, "monospace"))
+ monospace = 1;
+ else if (!strcmp(aGeneric, "cursive") || !strcmp(aGeneric, "fantasy"))
+ serif = sansSerif = 1;
+ else
+ NS_NOTREACHED("unexpected generic family");
+ nGenerics = serif + sansSerif + monospace;
+
+ array = NS_STATIC_CAST(PRUnichar **,
+ nsMemory::Alloc((fs->nfont + nGenerics) * sizeof(PRUnichar *)));
+ if (!array)
+ goto end;
+
+ if (serif) {
+ PRUnichar *name = ToNewUnicode(NS_LITERAL_STRING("serif"));
+ if (!name)
+ goto end;
+ array[narray++] = name;
+ }
+
+ if (sansSerif) {
+ PRUnichar *name = ToNewUnicode(NS_LITERAL_STRING("sans-serif"));
+ if (!name)
+ goto end;
+ array[narray++] = name;
+ }
+
+ if (monospace) {
+ PRUnichar *name = ToNewUnicode(NS_LITERAL_STRING("monospace"));
+ if (!name)
+ goto end;
+ array[narray++] = name;
+ }
+
+ for (int i=0; i < fs->nfont; ++i) {
+ char *family;
+
+ // if there's no family, just move to the next iteration
+ if (FcPatternGetString (fs->fonts[i], FC_FAMILY, 0,
+ (FcChar8 **) &family) != FcResultMatch) {
+ continue;
+ }
+
+ // fontconfig always returns family names in UTF-8
+ PRUnichar* name = UTF8ToNewUnicode(nsDependentCString(family));
+
+ if (!name)
+ goto end;
+
+ array[narray++] = name;
+ }
+
+ NS_QuickSort(array + nGenerics, narray - nGenerics, sizeof (PRUnichar*),
+ CompareFontNames, nsnull);
+
+ *aCount = narray;
+ if (narray)
+ *aResult = array;
+ else
+ nsMemory::Free(array);
+
+ rv = NS_OK;
+
+ end:
+ if (NS_FAILED(rv) && array) {
+ while (narray)
+ nsMemory::Free (array[--narray]);
+ nsMemory::Free (array);
+ }
+ if (pat)
+ FcPatternDestroy(pat);
+ if (os)
+ FcObjectSetDestroy(os);
+ if (fs)
+ FcFontSetDestroy(fs);
+
+ return rv;
+}
+
+/* static */
+int
+CompareFontNames (const void* aArg1, const void* aArg2, void* aClosure)
+{
+ const PRUnichar* str1 = *((const PRUnichar**) aArg1);
+ const PRUnichar* str2 = *((const PRUnichar**) aArg2);
+
+ return nsCRT::strcmp(str1, str2);
+}
+
+
+// nsFontEnumeratorPango class
+
+nsFontEnumeratorPango::nsFontEnumeratorPango()
+{
+}
+
+NS_IMPL_ISUPPORTS1(nsFontEnumeratorPango, nsIFontEnumerator)
+
+NS_IMETHODIMP
+nsFontEnumeratorPango::EnumerateAllFonts(PRUint32 *aCount,
+ PRUnichar ***aResult)
+{
+ NS_ENSURE_ARG_POINTER(aResult);
+ *aResult = nsnull;
+ NS_ENSURE_ARG_POINTER(aCount);
+ *aCount = 0;
+
+ return EnumFontsPango(nsnull, nsnull, aCount, aResult);
+}
+
+NS_IMETHODIMP
+nsFontEnumeratorPango::EnumerateFonts(const char *aLangGroup,
+ const char *aGeneric,
+ PRUint32 *aCount,
+ PRUnichar ***aResult)
+{
+ NS_ENSURE_ARG_POINTER(aResult);
+ *aResult = nsnull;
+ NS_ENSURE_ARG_POINTER(aCount);
+ *aCount = 0;
+
+ // aLangGroup=null or "" means any (i.e., don't care)
+ // aGeneric=null or "" means any (i.e, don't care)
+ nsCOMPtr<nsIAtom> langGroup;
+ if (aLangGroup && *aLangGroup)
+ langGroup = do_GetAtom(aLangGroup);
+ const char* generic = nsnull;
+ if (aGeneric && *aGeneric)
+ generic = aGeneric;
+
+ return EnumFontsPango(langGroup, generic, aCount, aResult);
+}
+
+NS_IMETHODIMP
+nsFontEnumeratorPango::HaveFontFor(const char *aLangGroup,
+ PRBool *aResult)
+{
+ NS_ENSURE_ARG_POINTER(aResult);
+ *aResult = PR_FALSE;
+ NS_ENSURE_ARG_POINTER(aLangGroup);
+
+ *aResult = PR_TRUE; // always return true for now.
+ // Finish me - ftang
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFontEnumeratorPango::GetDefaultFont(const char *aLangGroup,
+ const char *aGeneric,
+ PRUnichar **aResult)
+{
+ NS_ENSURE_ARG_POINTER(aResult);
+ *aResult = nsnull;
+
+ // Have a look at nsFontEnumeratorXft::GetDefaultFont for some
+ // possible code for this function.
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFontEnumeratorPango::UpdateFontList(PRBool *_retval)
+{
+ *_retval = PR_FALSE; // always return false for now
+ return NS_OK;
+}
Index: gfx/src/ps/nsFontMetricsPSPango.h
===================================================================
RCS file: gfx/src/ps/nsFontMetricsPSPango.h
diff -N gfx/src/ps/nsFontMetricsPSPango.h
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ gfx/src/ps/nsFontMetricsPSPango.h 23 Oct 2006 17:37:13 -0000
@@ -0,0 +1,305 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:expandtab:shiftwidth=4:tabstop=4:
+ */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Christopher Blizzard <blizzard@mozilla.org>.
+ * Portions created by the Initial Developer are Copyright (C) 2002
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef nsFontMetricsPSPango_h__
+#define nsFontMetricsPSPango_h__
+
+#include "nsIFontMetrics.h"
+#include "nsIFontEnumerator.h"
+#include "nsCRT.h"
+#include "nsIAtom.h"
+#include "nsString.h"
+#include "nsVoidArray.h"
+#include "nsFontMetricsPS.h"
+
+#include <pango/pango.h>
+
+class nsRenderingContextPS;
+class nsIDrawingSurface;
+
+class nsFontMetricsPSPango : public nsFontMetricsPS
+{
+public:
+ nsFontMetricsPSPango();
+ virtual ~nsFontMetricsPSPango();
+
+ NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
+
+ // nsISupports
+ NS_DECL_ISUPPORTS
+
+ // nsIFontMetrics
+ NS_IMETHOD Init (const nsFont& aFont, nsIAtom* aLangGroup,
+ nsIDeviceContext *aContext);
+ NS_IMETHOD Destroy();
+ NS_IMETHOD GetLangGroup (nsIAtom** aLangGroup);
+ NS_IMETHOD GetFontHandle (nsFontHandle &aHandle);
+
+ NS_IMETHOD GetXHeight (nscoord& aResult)
+ { aResult = mXHeight; return NS_OK; };
+
+ NS_IMETHOD GetSuperscriptOffset (nscoord& aResult)
+ { aResult = mSuperscriptOffset;
+ return NS_OK; };
+
+ NS_IMETHOD GetSubscriptOffset (nscoord& aResult)
+ { aResult = mSubscriptOffset;
+ return NS_OK; };
+
+ NS_IMETHOD GetStrikeout (nscoord& aOffset, nscoord& aSize)
+ { aOffset = mStrikeoutOffset;
+ aSize = mStrikeoutSize;
+ return NS_OK; };
+
+ NS_IMETHOD GetUnderline (nscoord& aOffset, nscoord& aSize)
+ { aOffset = mUnderlineOffset;
+ aSize = mUnderlineSize;
+ return NS_OK; };
+
+ NS_IMETHOD GetHeight (nscoord &aHeight)
+ { aHeight = mMaxHeight;
+ return NS_OK; };
+
+ NS_IMETHOD GetNormalLineHeight (nscoord &aHeight)
+ { aHeight = mEmHeight + mLeading;
+ return NS_OK; };
+
+ NS_IMETHOD GetLeading (nscoord &aLeading)
+ { aLeading = mLeading;
+ return NS_OK; };
+
+ NS_IMETHOD GetEmHeight (nscoord &aHeight)
+ { aHeight = mEmHeight;
+ return NS_OK; };
+
+ NS_IMETHOD GetEmAscent (nscoord &aAscent)
+ { aAscent = mEmAscent;
+ return NS_OK; };
+
+ NS_IMETHOD GetEmDescent (nscoord &aDescent)
+ { aDescent = mEmDescent;
+ return NS_OK; };
+
+ NS_IMETHOD GetMaxHeight (nscoord &aHeight)
+ { aHeight = mMaxHeight;
+ return NS_OK; };
+
+ NS_IMETHOD GetMaxAscent (nscoord &aAscent)
+ { aAscent = mMaxAscent;
+ return NS_OK; };
+
+ NS_IMETHOD GetMaxDescent (nscoord &aDescent)
+ { aDescent = mMaxDescent;
+ return NS_OK; };
+
+ NS_IMETHOD GetMaxAdvance (nscoord &aAdvance)
+ { aAdvance = mMaxAdvance;
+ return NS_OK; };
+
+ NS_IMETHOD GetSpaceWidth (nscoord &aSpaceCharWidth)
+ { aSpaceCharWidth = mSpaceWidth;
+ return NS_OK; };
+
+ NS_IMETHOD GetAveCharWidth (nscoord &aAveCharWidth)
+ { aAveCharWidth = mAveCharWidth;
+ return NS_OK; };
+
+ // nsIFontMetricsPS (calls from the font rendering layer)
+ NS_IMETHOD GetStringWidth(const char *String,nscoord &aWidth,nscoord aLength);
+ NS_IMETHOD GetStringWidth(const PRUnichar *aString,nscoord &aWidth,nscoord aLength);
+
+ NS_IMETHOD GetWidth(const char* aString, PRUint32 aLength,
+ nscoord& aWidth);
+ NS_IMETHOD GetWidth(const PRUnichar* aString, PRUint32 aLength,
+ nscoord& aWidth);
+
+ NS_IMETHOD GetTextDimensions(const char* aString,
+ PRUint32 aLength,
+ nsTextDimensions& aDimensions);
+ NS_IMETHOD GetTextDimensions(const PRUnichar* aString,
+ PRUint32 aLength,
+ nsTextDimensions& aDimensions,
+ PRInt32* aFontID);
+ NS_IMETHOD GetTextDimensions(const char* aString,
+ PRInt32 aLength,
+ PRInt32 aAvailWidth,
+ PRInt32* aBreaks,
+ PRInt32 aNumBreaks,
+ nsTextDimensions& aDimensions,
+ PRInt32& aNumCharsFit,
+ nsTextDimensions& aLastWordDimensions,
+ PRInt32* aFontID);
+ NS_IMETHOD GetTextDimensions(const PRUnichar* aString,
+ PRInt32 aLength,
+ PRInt32 aAvailWidth,
+ PRInt32* aBreaks,
+ PRInt32 aNumBreaks,
+ nsTextDimensions& aDimensions,
+ PRInt32& aNumCharsFit,
+ nsTextDimensions& aLastWordDimensions,
+ PRInt32* aFontID);
+
+ NS_IMETHOD DrawString(const char *aString, PRUint32 aLength,
+ nscoord aX, nscoord aY,
+ const nscoord* aSpacing,
+ nsRenderingContextPS *aContext);
+ NS_IMETHOD DrawString(const PRUnichar* aString, PRUint32 aLength,
+ nscoord aX, nscoord aY,
+ PRInt32 aFontID,
+ const nscoord* aSpacing,
+ nsRenderingContextPS *aContext);
+
+#ifdef MOZ_MATHML
+ NS_IMETHOD GetBoundingMetrics(const char *aString, PRUint32 aLength,
+ nsBoundingMetrics &aBoundingMetrics);
+ NS_IMETHOD GetBoundingMetrics(const PRUnichar *aString,
+ PRUint32 aLength,
+ nsBoundingMetrics &aBoundingMetrics,
+ PRInt32 *aFontID);
+#endif /* MOZ_MATHML */
+
+ NS_IMETHOD SetRightToLeftText(PRBool aIsRTL);
+
+ NS_IMETHOD GetClusterInfo(const PRUnichar *aText,
+ PRUint32 aLength,
+ PRUint8 *aClusterStarts);
+
+ virtual PRInt32 GetPosition(const PRUnichar *aText,
+ PRUint32 aLength,
+ nsPoint aPt);
+
+ NS_IMETHOD GetRangeWidth(const PRUnichar *aText,
+ PRUint32 aLength,
+ PRUint32 aStart,
+ PRUint32 aEnd,
+ PRUint32 &aWidth);
+
+ NS_IMETHOD GetRangeWidth(const char *aText,
+ PRUint32 aLength,
+ PRUint32 aStart,
+ PRUint32 aEnd,
+ PRUint32 &aWidth);
+
+ // get hints for the font
+ virtual PRUint32 GetHints (void);
+
+ // drawing surface methods
+ static nsresult FamilyExists (nsIDeviceContext *aDevice,
+ const nsString &aName);
+
+ inline nsIDeviceContext *GetDeviceContext() { return mDeviceContext; }
+
+private:
+
+ // generic font metrics class bits
+ nsCStringArray mFontList;
+ nsAutoVoidArray mFontIsGeneric;
+
+ nsIDeviceContext *mDeviceContext;
+ nsCOMPtr<nsIAtom> mLangGroup;
+ nsCString *mGenericFont;
+ float mPointSize;
+
+ nsCAutoString mDefaultFont;
+
+ // Pango-related items
+ PangoFontDescription *mPangoFontDesc;
+ PangoContext *mPangoContext;
+ PangoContext *mLTRPangoContext;
+ PangoContext *mRTLPangoContext;
+ PangoAttrList *mPangoAttrList;
+ PRBool mIsRTL;
+
+ // Cached font metrics
+ nscoord mXHeight;
+ nscoord mSuperscriptOffset;
+ nscoord mSubscriptOffset;
+ nscoord mStrikeoutOffset;
+ nscoord mStrikeoutSize;
+ nscoord mUnderlineOffset;
+ nscoord mUnderlineSize;
+ nscoord mMaxHeight;
+ nscoord mLeading;
+ nscoord mEmHeight;
+ nscoord mEmAscent;
+ nscoord mEmDescent;
+ nscoord mMaxAscent;
+ nscoord mMaxDescent;
+ nscoord mMaxAdvance;
+ nscoord mSpaceWidth;
+ nscoord mPangoSpaceWidth;
+ nscoord mAveCharWidth;
+
+ // Private methods
+ nsresult RealizeFont(void);
+ nsresult CacheFontMetrics(void);
+
+ static PRBool EnumFontCallback(const nsString &aFamily,
+ PRBool aIsGeneric, void *aData);
+
+ void DrawStringSlowly(const gchar *aText,
+ const PRUnichar *aOrigString,
+ PRUint32 aLength,
+ gint aX, gint aY,
+ PangoLayoutLine *aLine,
+ const nscoord *aSpacing,
+ nsRenderingContextPS *aContext);
+
+ nsresult GetTextDimensionsInternal(const gchar* aString,
+ PRInt32 aLength,
+ PRInt32 aAvailWidth,
+ PRInt32* aBreaks,
+ PRInt32 aNumBreaks,
+ nsTextDimensions& aDimensions,
+ PRInt32& aNumCharsFit,
+ nsTextDimensions& aLastWordDimensions);
+
+ void FixupSpaceWidths (PangoLayout *aLayout, const char *aString);
+};
+
+class nsFontEnumeratorPango : public nsIFontEnumerator
+{
+public:
+ nsFontEnumeratorPango();
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIFONTENUMERATOR
+};
+
+#endif
+
Index: gfx/src/ps/nsPostScriptObj.cpp
===================================================================
RCS file: /cvsroot/mozilla/gfx/src/ps/nsPostScriptObj.cpp,v
retrieving revision 1.124
diff -u -p -d -r1.124 nsPostScriptObj.cpp
--- gfx/src/ps/nsPostScriptObj.cpp 26 Jul 2005 15:54:18 -0000 1.124
+++ gfx/src/ps/nsPostScriptObj.cpp 23 Oct 2006 17:37:29 -0000
@@ -2061,31 +2061,74 @@ nsPostScriptObj::show(const PRUnichar* t
#if defined(MOZ_ENABLE_FREETYPE2) || defined(MOZ_ENABLE_XFT)
void
-nsPostScriptObj::show(const PRUnichar* aTxt, int aLen,
- const nsAFlatString& aCharList, PRUint16 aSubFontIdx)
+/*nsPostScriptObj::show(const PRUnichar* aTxt, int aLen,
+ const nsAFlatString& aCharList, PRUint16 aSubFontIdx) */
+nsPostScriptObj::show(const nsValueArray *aGlyphs, nsPSFontGenerator *aSubset,
+ PRUint16 aSubFontIdx)
{
- int i;
+ PRUint32 i;
fputc('<', mScriptFP);
- const PRUint16 subFontSize = nsPSFontGenerator::kSubFontSize;
+ for (i = 0; i < aGlyphs->Count(); i++) {
+ PRUint32 glyph = aGlyphs->ValueAt(i);
+ fprintf(mScriptFP, "%02x", aSubset->InSubsetIndexOf(glyph));
+ }
- // the character repertoire of a subfont (255 characters max)
- const nsAString& repertoire =
- Substring(aCharList, aSubFontIdx * subFontSize,
- PR_MIN(subFontSize,
- aCharList.Length() - aSubFontIdx * subFontSize));
+ fputs("> show\n", mScriptFP);
+}
+#endif
- for (i = 0; i < aLen; i++) {
- // XXX This is a little inefficient, but printing is not perf. critical.
- NS_ASSERTION(repertoire.FindChar(aTxt[i]) != kNotFound,
- "character is not covered by this subfont");
-
- // Type 1 encoding vector has 256 slots, but the 0-th slot is
- // reserved for /.notdef so that we use the 1st through 255th slots
- // for actual characters (hence '+ 1')
- fprintf(mScriptFP, "%02x", repertoire.FindChar(aTxt[i]) + 1);
+#ifdef MOZ_ENABLE_PANGO
+void
+nsPostScriptObj::show(const PangoGlyphString *glyphs, float zoom,
+ nsPSFontGenerator *aSubset, PRUint16 aSubFontIdx)
+{
+ PRUint32 i;
+ int horiz = 1;
+
+ if (glyphs->glyphs[0].geometry.x_offset || glyphs->glyphs[0].geometry.y_offset)
+ rmoveto (NSToCoordRound (zoom * glyphs->glyphs[0].geometry.x_offset / PANGO_SCALE),
+ NSToCoordRound (zoom * glyphs->glyphs[0].geometry.y_offset / PANGO_SCALE));
+
+ fputc('<', mScriptFP);
+
+ for (i = 0; i < glyphs->num_glyphs; i++) {
+ PRUint32 glyph = glyphs->glyphs[i].glyph;
+ fprintf(mScriptFP, "%02x", aSubset->InSubsetIndexOf(glyph));
+ if (glyphs->glyphs[i].geometry.y_offset)
+ horiz = 0;
+ }
+
+ if (horiz) {
+ fputs(">\n[", mScriptFP);
+ for (i = 1; i < glyphs->num_glyphs; i++) {
+ fprintf(mScriptFP, "%d ",
+ NSToCoordRound (zoom * (+ glyphs->glyphs[i ].geometry.x_offset
+ + glyphs->glyphs[i-1].geometry.width
+ - glyphs->glyphs[i-1].geometry.x_offset) / PANGO_SCALE));
+ }
+ fprintf(mScriptFP, "%d",
+ NSToCoordRound (zoom * (+ glyphs->glyphs[i-1].geometry.width
+ - glyphs->glyphs[i-1].geometry.x_offset
+ - glyphs->glyphs[ 0].geometry.x_offset) / PANGO_SCALE));
+ fputs("] xshow\n", mScriptFP);
+ } else {
+ fputs(">\n[", mScriptFP);
+ for (i = 1; i < glyphs->num_glyphs; i++) {
+ fprintf(mScriptFP, "%d %d ",
+ NSToCoordRound (zoom * (+ glyphs->glyphs[i ].geometry.x_offset
+ + glyphs->glyphs[i-1].geometry.width
+ - glyphs->glyphs[i-1].geometry.x_offset) / PANGO_SCALE),
+ NSToCoordRound (zoom * (+ glyphs->glyphs[i ].geometry.y_offset
+ - glyphs->glyphs[i-1].geometry.y_offset) / PANGO_SCALE));
+ }
+ fprintf(mScriptFP, "%d %d",
+ NSToCoordRound (zoom * (+ glyphs->glyphs[i-1].geometry.width
+ - glyphs->glyphs[i-1].geometry.x_offset
+ - glyphs->glyphs[ 0].geometry.x_offset) / PANGO_SCALE),
+ NSToCoordRound (zoom * (- glyphs->glyphs[i-1].geometry.y_offset) / PANGO_SCALE));
+ fputs("] xyshow\n", mScriptFP);
}
- fputs("> show\n", mScriptFP);
}
#endif
@@ -2101,6 +2144,16 @@ nsPostScriptObj::moveto(nscoord x, nscoo
/** ---------------------------------------------------
* See documentation in nsPostScriptObj.h
+ * @update 10/20/06 behdad
+ */
+void
+nsPostScriptObj::rmoveto(nscoord x, nscoord y)
+{
+ fprintf(mScriptFP, "%d %d rmoveto\n", x, y);
+}
+
+/** ---------------------------------------------------
+ * See documentation in nsPostScriptObj.h
* @update 2/1/99 dwc
*/
void
Index: gfx/src/ps/nsPostScriptObj.h
===================================================================
RCS file: /cvsroot/mozilla/gfx/src/ps/nsPostScriptObj.h,v
retrieving revision 1.47
diff -u -p -d -r1.47 nsPostScriptObj.h
--- gfx/src/ps/nsPostScriptObj.h 8 May 2005 15:01:20 -0000 1.47
+++ gfx/src/ps/nsPostScriptObj.h 23 Oct 2006 17:37:30 -0000
@@ -57,9 +57,15 @@
#include "nsIPersistentProperties2.h"
#include "nsTempfilePS.h"
#include "nsEPSObjectPS.h"
+#ifdef MOZ_ENABLE_PANGO
+#include <pango/pango.h>
+#endif
+
+class nsPSFontGenerator;
class nsIImage;
class nsIAtom;
+class nsValueArray;
#endif
#include <stdio.h>
@@ -217,6 +223,14 @@ public:
*/
void moveto(nscoord aX, nscoord aY);
/** ---------------------------------------------------
+ * Move relative to the current point
+ * @update 10/20/2006 behdad
+ * @param aX X coordinate
+ * aY Y coordinate
+ * @return VOID
+ */
+ void rmoveto(nscoord aX, nscoord aY);
+ /** ---------------------------------------------------
* Add a line to the current path, from the current point
* to the specified point.
* @update 9/30/2003
@@ -346,12 +360,24 @@ public:
*/
void show(const PRUnichar* aText, int aLen, const char *aAlign, int aType);
/** ---------------------------------------------------
- * This version takes a PRUnichar string, a font subset string
- * for freetype printing and a subfont index
+ * This version of show takes an array of glyphs, subfont and subfont index
+ * to render and is used for freetype and xft printing.
* @update 2/15/2005 jshin@mailaps.org
+ * @update 6/7/2005 blizzard@mozilla.org
*/
- void show(const PRUnichar* aText, int aLen, const nsAFlatString& aCharList,
+ void show(const nsValueArray *aGlyphs, nsPSFontGenerator *aSubset,
PRUint16 aSubFontIdx);
+ /*void show(const PRUnichar* aText, int aLen, const nsAFlatString& aCharList,
+ PRUint16 aSubFontIdx); */
+#ifdef MOZ_ENABLE_PANGO
+ /** ---------------------------------------------------
+ * This version of show takes a pango glyph string, subfont and subfont index
+ * to render and is used for pango printing.
+ * @update 10/20/2006 behdad@behdad.org
+ */
+ void show(const PangoGlyphString *glyphs, float zoom,
+ nsPSFontGenerator *aSubset, PRUint16 aSubFontIdx);
+#endif
/** ---------------------------------------------------
* set the clipping path to the current path using the winding rule
* @update 2/1/99 dwc
Index: gfx/src/ps/nsRenderingContextPS.cpp
===================================================================
RCS file: /cvsroot/mozilla/gfx/src/ps/nsRenderingContextPS.cpp,v
retrieving revision 1.83
diff -u -p -d -r1.83 nsRenderingContextPS.cpp
--- gfx/src/ps/nsRenderingContextPS.cpp 4 Mar 2005 07:39:27 -0000 1.83
+++ gfx/src/ps/nsRenderingContextPS.cpp 23 Oct 2006 17:37:31 -0000
@@ -251,6 +251,8 @@ nsRenderingContextPS :: GetDrawingSurfac
NS_IMETHODIMP
nsRenderingContextPS :: GetHints(PRUint32& aResult)
{
+ nsFontMetricsPS *metrics = NS_REINTERPRET_CAST(nsFontMetricsPS *, mFontMetrics.get());
+ aResult = metrics->GetHints ();
return NS_OK;
}
@@ -1006,8 +1008,11 @@ nsRenderingContextPS::GetTextDimensions(
nsTextDimensions& aLastWordDimensions,
PRInt32* aFontID)
{
- NS_NOTYETIMPLEMENTED("nsRenderingContextPS::GetTextDimensions");
- return NS_ERROR_NOT_IMPLEMENTED;
+ NS_ENSURE_TRUE(mFontMetrics, NS_ERROR_NULL_POINTER);
+ nsFontMetricsPS *metrics = NS_REINTERPRET_CAST(nsFontMetricsPS *, mFontMetrics.get());
+ NS_ENSURE_TRUE(metrics, NS_ERROR_FAILURE);
+ return metrics->GetTextDimensions (aString, aLength, aAvailWidth, aBreaks, aNumBreaks,
+ aDimensions, aNumCharsFit, aLastWordDimensions, aFontID);
}
NS_IMETHODIMP
@@ -1021,43 +1026,31 @@ nsRenderingContextPS::GetTextDimensions(
nsTextDimensions& aLastWordDimensions,
PRInt32* aFontID)
{
- NS_NOTYETIMPLEMENTED("nsRenderingContextPS::GetTextDimensions");
- return NS_ERROR_NOT_IMPLEMENTED;
+ NS_ENSURE_TRUE(mFontMetrics, NS_ERROR_NULL_POINTER);
+ nsFontMetricsPS *metrics = NS_REINTERPRET_CAST(nsFontMetricsPS *, mFontMetrics.get());
+ NS_ENSURE_TRUE(metrics, NS_ERROR_FAILURE);
+ return metrics->GetTextDimensions (aString, aLength, aAvailWidth, aBreaks, aNumBreaks,
+ aDimensions, aNumCharsFit, aLastWordDimensions, aFontID);
}
NS_IMETHODIMP
nsRenderingContextPS :: GetTextDimensions(const char* aString, PRUint32 aLength,
nsTextDimensions& aDimensions)
{
- nsresult rv = NS_ERROR_FAILURE;
-
- if (mFontMetrics) {
- nsFontMetricsPS *metrics = NS_REINTERPRET_CAST(nsFontMetricsPS *, mFontMetrics.get());
- metrics->GetStringWidth(aString, aDimensions.width, aLength);
- metrics->GetMaxAscent(aDimensions.ascent);
- metrics->GetMaxDescent(aDimensions.descent);
- rv = NS_OK;
- }
-
- return rv;
+ NS_ENSURE_TRUE(mFontMetrics, NS_ERROR_NULL_POINTER);
+ nsFontMetricsPS *metrics = NS_REINTERPRET_CAST(nsFontMetricsPS *, mFontMetrics.get());
+ NS_ENSURE_TRUE(metrics, NS_ERROR_FAILURE);
+ return metrics->GetTextDimensions (aString, aLength, aDimensions);
}
NS_IMETHODIMP
nsRenderingContextPS :: GetTextDimensions(const PRUnichar* aString, PRUint32 aLength,
nsTextDimensions& aDimensions, PRInt32* aFontID)
{
- nsresult rv = NS_ERROR_FAILURE;
-
- if (mFontMetrics) {
- nsFontMetricsPS *metrics = NS_REINTERPRET_CAST(nsFontMetricsPS *, mFontMetrics.get());
- metrics->GetStringWidth(aString, aDimensions.width, aLength);
- //XXX temporary - bug 96609
- metrics->GetMaxAscent(aDimensions.ascent);
- metrics->GetMaxDescent(aDimensions.descent);
- rv = NS_OK;
- }
-
- return rv;
+ NS_ENSURE_TRUE(mFontMetrics, NS_ERROR_NULL_POINTER);
+ nsFontMetricsPS *metrics = NS_REINTERPRET_CAST(nsFontMetricsPS *, mFontMetrics.get());
+ NS_ENSURE_TRUE(metrics, NS_ERROR_FAILURE);
+ return metrics->GetTextDimensions (aString, aLength, aDimensions, aFontID);
}
/** ---------------------------------------------------
@@ -1073,47 +1066,7 @@ nsRenderingContextPS :: DrawString(const
nsFontMetricsPS *metrics = NS_REINTERPRET_CAST(nsFontMetricsPS *, mFontMetrics.get());
NS_ENSURE_TRUE(metrics, NS_ERROR_FAILURE);
-
- // When FT2 printing is enabled, we don't need to set langgroup
-#if defined(MOZ_ENABLE_FREETYPE2) || defined(MOZ_ENABLE_XFT)
- if (!NS_REINTERPRET_CAST(nsDeviceContextPS *, mContext.get())->mFTPEnable) {
-#endif
- nsCOMPtr<nsIAtom> langGroup;
- mFontMetrics->GetLangGroup(getter_AddRefs(langGroup));
- mPSObj->setlanggroup(langGroup);
-#if defined(MOZ_ENABLE_FREETYPE2) || defined(MOZ_ENABLE_XFT)
- }
-#endif
-
- if (aLength == 0)
- return NS_OK;
- nsFontPS* fontPS = nsFontPS::FindFont(aString[0], metrics->Font(), metrics);
- NS_ENSURE_TRUE(fontPS, NS_ERROR_FAILURE);
- fontPS->SetupFont(this);
-
- PRUint32 i, start = 0;
- for (i=0; i<aLength; i++) {
- nsFontPS* fontThisChar;
- fontThisChar = nsFontPS::FindFont(aString[i], metrics->Font(), metrics);
- NS_ENSURE_TRUE(fontThisChar, NS_ERROR_FAILURE);
- if (fontThisChar != fontPS) {
- // draw text up to this point
- aX += DrawString(aString+start, i-start, aX, aY, fontPS,
- aSpacing?aSpacing+start:nsnull);
- start = i;
-
- // setup for following text
- fontPS = fontThisChar;
- fontPS->SetupFont(this);
- }
- }
-
- // draw the last part
- if (aLength-start)
- DrawString(aString+start, aLength-start, aX, aY, fontPS,
- aSpacing?aSpacing+start:nsnull);
-
- return NS_OK;
+ return metrics->DrawString (aString, aLength, aX, aY, aSpacing, this);
}
/** ---------------------------------------------------
@@ -1129,110 +1082,7 @@ nsRenderingContextPS :: DrawString(const
nsFontMetricsPS *metrics = NS_REINTERPRET_CAST(nsFontMetricsPS *, mFontMetrics.get());
NS_ENSURE_TRUE(metrics, NS_ERROR_FAILURE);
-
-#if defined(MOZ_ENABLE_FREETYPE2) || defined(MOZ_ENABLE_XFT)
- // When FT2 printing is enabled, we don't need to set langgroup
- if (!NS_REINTERPRET_CAST(nsDeviceContextPS *, mContext.get())->mFTPEnable) {
-#endif
- nsCOMPtr<nsIAtom> langGroup = nsnull;
- mFontMetrics->GetLangGroup(getter_AddRefs(langGroup));
- mPSObj->setlanggroup(langGroup);
-#if defined(MOZ_ENABLE_FREETYPE2) || defined(MOZ_ENABLE_XFT)
- }
-#endif
-
- /* build up conversion table */
- mPSObj->preshow(aString, aLength);
-
- if (aLength == 0)
- return NS_OK;
- nsFontPS* fontPS = nsFontPS::FindFont(aString[0], metrics->Font(), metrics);
- NS_ENSURE_TRUE(fontPS, NS_ERROR_FAILURE);
- fontPS->SetupFont(this);
-
- PRUint32 i, start = 0;
- for (i=0; i<aLength; i++) {
- nsFontPS* fontThisChar;
- fontThisChar = nsFontPS::FindFont(aString[i], metrics->Font(), metrics);
- NS_ENSURE_TRUE(fontThisChar, NS_ERROR_FAILURE);
- if (fontThisChar != fontPS) {
- // draw text up to this point
- aX += DrawString(aString+start, i-start, aX, aY, fontPS,
- aSpacing?aSpacing+start:nsnull);
- start = i;
-
- // setup for following text
- fontPS = fontThisChar;
- fontPS->SetupFont(this);
- }
- }
-
- // draw the last part
- if (aLength-start)
- DrawString(aString+start, aLength-start, aX, aY, fontPS,
- aSpacing?aSpacing+start:nsnull);
-
- return NS_OK;
-}
-
-PRInt32
-nsRenderingContextPS::DrawString(const char *aString, PRUint32 aLength,
- nscoord &aX, nscoord &aY, nsFontPS* aFontPS,
- const nscoord* aSpacing)
-{
- nscoord width = 0;
- PRInt32 x = aX;
- PRInt32 y = aY;
-
- PRInt32 dxMem[500];
- PRInt32* dx0 = 0;
- if (aSpacing) {
- dx0 = dxMem;
- if (aLength > 500) {
- dx0 = new PRInt32[aLength];
- NS_ENSURE_TRUE(dx0, NS_ERROR_OUT_OF_MEMORY);
- }
- mTranMatrix->ScaleXCoords(aSpacing, aLength, dx0);
- }
-
- mTranMatrix->TransformCoord(&x, &y);
- width = aFontPS->DrawString(this, x, y, aString, aLength);
-
- if ((aSpacing) && (dx0 != dxMem)) {
- delete [] dx0;
- }
-
- return width;
-}
-
-
-PRInt32
-nsRenderingContextPS::DrawString(const PRUnichar *aString, PRUint32 aLength,
- nscoord aX, nscoord aY, nsFontPS* aFontPS,
- const nscoord* aSpacing)
-{
- nscoord width = 0;
- PRInt32 x = aX;
- PRInt32 y = aY;
-
- if (aSpacing) {
- // Slow, but accurate rendering
- const PRUnichar* end = aString + aLength;
- while (aString < end){
- x = aX;
- y = aY;
- mTranMatrix->TransformCoord(&x, &y);
- aFontPS->DrawString(this, x, y, aString, 1);
- aX += *aSpacing++;
- aString++;
- }
- width = aX;
- } else {
- mTranMatrix->TransformCoord(&x, &y);
- width = aFontPS->DrawString(this, x, y, aString, aLength);
- }
-
- return width;
+ return metrics->DrawString (aString, aLength, aX, aY, aFontID, aSpacing, this);
}
/** ---------------------------------------------------
@@ -1346,8 +1196,10 @@ nsRenderingContextPS::GetBoundingMetrics
PRUint32 aLength,
nsBoundingMetrics& aBoundingMetrics)
{
- // Fill me up
- return NS_ERROR_NOT_IMPLEMENTED;
+ NS_ENSURE_TRUE(mFontMetrics, NS_ERROR_NULL_POINTER);
+ nsFontMetricsPS *metrics = NS_REINTERPRET_CAST(nsFontMetricsPS *, mFontMetrics.get());
+ NS_ENSURE_TRUE(metrics, NS_ERROR_FAILURE);
+ return metrics->GetBoundingMetrics (aString, aLength, aBoundingMetrics);
}
/**
@@ -1359,8 +1211,10 @@ nsRenderingContextPS::GetBoundingMetrics
nsBoundingMetrics& aBoundingMetrics,
PRInt32* aFontID)
{
- // Fill me up
- return NS_ERROR_NOT_IMPLEMENTED;
+ NS_ENSURE_TRUE(mFontMetrics, NS_ERROR_NULL_POINTER);
+ nsFontMetricsPS *metrics = NS_REINTERPRET_CAST(nsFontMetricsPS *, mFontMetrics.get());
+ NS_ENSURE_TRUE(metrics, NS_ERROR_FAILURE);
+ return metrics->GetBoundingMetrics (aString, aLength, aBoundingMetrics, aFontID);
}
#endif /* MOZ_MATHML */
Index: gfx/src/ps/nsRenderingContextPS.h
===================================================================
RCS file: /cvsroot/mozilla/gfx/src/ps/nsRenderingContextPS.h,v
retrieving revision 1.49
diff -u -p -d -r1.49 nsRenderingContextPS.h
--- gfx/src/ps/nsRenderingContextPS.h 20 Sep 2004 06:46:16 -0000 1.49
+++ gfx/src/ps/nsRenderingContextPS.h 23 Oct 2006 17:37:35 -0000
@@ -154,6 +154,10 @@ public:
NS_IMETHOD GetWidth(const PRUnichar* aString, PRUint32 aLength,
nscoord& aWidth, PRInt32 *aFontID);
+ nsTransform2D *GetTranMatrix() {
+ return mTranMatrix;
+ }
+
NS_IMETHOD DrawString(const char *aString, PRUint32 aLength,
nscoord aX, nscoord aY,
const nscoord* aSpacing);
@@ -164,13 +168,6 @@ public:
NS_IMETHOD DrawString(const nsString& aString, nscoord aX, nscoord aY,
PRInt32 aFontID,
const nscoord* aSpacing);
-protected:
- PRInt32 DrawString(const PRUnichar *aString, PRUint32 aLength,
- nscoord aX, nscoord aY, nsFontPS* aFontPS,
- const nscoord* aSpacing);
- PRInt32 DrawString(const char *aString, PRUint32 aLength,
- nscoord &aX, nscoord &aY, nsFontPS* aFontPS,
- const nscoord* aSpacing);
public:
NS_IMETHOD GetTextDimensions(const char* aString, PRUint32 aLength,
Index: gfx/src/ps/nsType1.cpp
===================================================================
RCS file: /cvsroot/mozilla/gfx/src/ps/nsType1.cpp,v
retrieving revision 1.5.8.1
diff -u -p -d -r1.5.8.1 nsType1.cpp
--- gfx/src/ps/nsType1.cpp 19 Oct 2005 08:16:22 -0000 1.5.8.1
+++ gfx/src/ps/nsType1.cpp 23 Oct 2006 17:37:39 -0000
@@ -73,8 +73,13 @@
#include "nsIFreeType2.h"
#include "nsServiceManagerUtils.h"
#endif
+#if defined(MOZ_ENABLE_XFT) || defined(MOZ_ENABLE_PANGO)
+#include FT_TYPE1_TABLES_H
+#endif
#include "nsPrintfCString.h"
#include "nsAutoBuffer.h"
+#include "nsValueArray.h"
+#include "nsVoidArray.h"
#define HEXASCII_LINE_LEN 64
@@ -113,7 +118,7 @@ static void encryptAndHexOut(FILE *aFile
const char *aBuf, PRInt32 aLen = -1);
static void charStringOut(FILE* aFile, PRUint32* aPos, PRUint16* aKey,
const char *aStr, PRUint32 aLen,
- PRUnichar aId);
+ const char *aGlyphName);
static void flattenName(nsCString& aString);
/* thunk a short name for this function */
@@ -202,19 +207,30 @@ Type1EncryptString(unsigned char *aInBuf
aOutBuf[i] = Type1Encrypt(aInBuf[i], &key);
}
+static FT_UShort
+get_upm (FT_Face face)
+{
+ FT_UShort upm = face->units_per_EM;
+
+ if (!upm)
+ upm = 1000; // bitmap font or something
+
+ return upm;
+}
+
static PRBool
sideWidthAndBearing(const FT_Vector *aEndPt, FT2PT1_info *aFti)
{
int aw = 0;
int ah = 0;
- FT_UShort upm = aFti->face->units_per_EM;
+ FT_UShort upm = get_upm (aFti->face);
FT_GlyphSlot slot;
FT_Glyph glyph;
FT_BBox bbox;
slot = aFti->face->glyph;
-#ifdef MOZ_ENABLE_XFT
+#if defined(MOZ_ENABLE_XFT) || defined(MOZ_ENABLE_PANGO)
FT_Error error = FT_Get_Glyph(slot, &glyph);
if (error) {
NS_ERROR("sideWidthAndBearing failed to get glyph");
@@ -256,7 +272,7 @@ static int
moveto(nsFT_CONST FT_Vector *aEndPt, void *aClosure)
{
FT2PT1_info *fti = (FT2PT1_info *)aClosure;
- FT_UShort upm = fti->face->units_per_EM;
+ FT_UShort upm = get_upm (fti->face);
PRBool rslt;
if (fti->elm_cnt == 0) {
@@ -293,7 +309,7 @@ static int
lineto(nsFT_CONST FT_Vector *aEndPt, void *aClosure)
{
FT2PT1_info *fti = (FT2PT1_info *)aClosure;
- FT_UShort upm = fti->face->units_per_EM;
+ FT_UShort upm = get_upm (fti->face);
if (toCS(upm, aEndPt->x) == fti->cur_x) {
fti->len += ecsi(&fti->buf, toCS(upm, aEndPt->y) - (int)fti->cur_y);
@@ -320,7 +336,7 @@ conicto(nsFT_CONST FT_Vector *aControlPt
void *aClosure)
{
FT2PT1_info *ftinfo = (FT2PT1_info *)aClosure;
- FT_UShort upm = ftinfo->face->units_per_EM;
+ FT_UShort upm = get_upm (ftinfo->face);
double ctl_x, ctl_y;
double cur_x, cur_y, x3, y3;
FT_Vector aControlPt1, aControlPt2;
@@ -353,7 +369,7 @@ cubicto(nsFT_CONST FT_Vector *aControlPt
nsFT_CONST FT_Vector *aEndPt, void *aClosure)
{
FT2PT1_info *ftinfo = (FT2PT1_info *)aClosure;
- FT_UShort upm = ftinfo->face->units_per_EM;
+ FT_UShort upm = get_upm (ftinfo->face);
double cur_x, cur_y, x1, y1, x2, y2, x3, y3;
cur_x = ftinfo->cur_x;
@@ -408,8 +424,55 @@ static FT_Outline_Funcs ft_outline_funcs
0
};
+
+static int
+trace_bitmap_glyph (FT_GlyphSlot slot, FT2PT1_info *fti)
+{
+ unsigned char *row, *byte_ptr, byte;
+ int rows, cols;
+ int x, y, bit_mask;
+ int upm, x_off, y_off, x_mult, y_mult;
+
+ upm = get_upm (slot->face);
+ x_off = slot->bitmap_left;
+ y_off = slot->bitmap_top;
+ x_mult = upm / slot->face->size->metrics.x_ppem;
+ y_mult = upm / slot->face->size->metrics.y_ppem;
+
+ switch (slot->bitmap.pixel_mode) {
+ case FT_PIXEL_MODE_MONO:
+
+ for (y = 0, row = slot->bitmap.buffer, rows = slot->bitmap.rows; rows; row += slot->bitmap.pitch, rows--, y++) {
+ for (x = 0, byte_ptr = row, cols = (slot->bitmap.width + 7) / 8; cols; byte_ptr++, cols--) {
+ byte = *byte_ptr;
+ for (bit_mask = 128; bit_mask && x < slot->bitmap.width; bit_mask >>= 1, x++) {
+ if (byte & bit_mask) {
+ FT_Vector p;
+ p.x = x_mult * (x_off + x);
+ p.y = y_mult * (y_off - y);
+ moveto(&p, (void *) fti);
+ p.x += x_mult;
+ lineto(&p, (void *) fti);
+ p.y += y_mult;
+ lineto(&p, (void *) fti);
+ p.x -= x_mult;
+ lineto(&p, (void *) fti);
+ }
+ }
+ }
+ }
+ break;
+
+ default:
+ return 1;
+ }
+
+ return 0;
+}
+
+
FT_Error
-#ifdef MOZ_ENABLE_XFT
+#if defined(MOZ_ENABLE_XFT) || defined(MOZ_ENABLE_PANGO)
FT2GlyphToType1CharString(FT_Face aFace, PRUint32 aGlyphID,
int aWmode, int aLenIV, unsigned char *aBuf)
#else
@@ -423,7 +486,7 @@ FT2GlyphToType1CharString(nsIFreeType2 *
unsigned char *start = aBuf;
FT2PT1_info fti;
-#ifdef MOZ_ENABLE_XFT
+#if defined(MOZ_ENABLE_XFT) || defined(MOZ_ENABLE_PANGO)
FT_Error error = FT_Load_Glyph(aFace, aGlyphID, flags);
if (error) {
NS_ERROR("failed to load aGlyphID");
@@ -438,11 +501,6 @@ FT2GlyphToType1CharString(nsIFreeType2 *
#endif
slot = aFace->glyph;
- if (slot->format != ft_glyph_format_outline) {
- NS_ERROR("aGlyphID is not an outline glyph");
- return 1;
- }
-
#ifdef MOZ_ENABLE_FREETYPE2
fti.ft2 = aFt2;
#endif
@@ -456,18 +514,27 @@ FT2GlyphToType1CharString(nsIFreeType2 *
for (j=0; j< aLenIV; j++) {
fti.len += ecsi(&fti.buf, 0);
}
-#ifdef MOZ_ENABLE_XFT
- if (FT_Outline_Decompose(&slot->outline, &ft_outline_funcs, &fti)) {
- NS_ERROR("error decomposing aGlyphID");
- return 1;
- }
+
+ if (slot->format == ft_glyph_format_outline) {
+#if defined(MOZ_ENABLE_XFT) || defined(MOZ_ENABLE_PANGO)
+ if (FT_Outline_Decompose(&slot->outline, &ft_outline_funcs, &fti)) {
+ NS_ERROR("error decomposing aGlyphID");
+ return 1;
+ }
#else
- rv = aFt2->OutlineDecompose(&slot->outline, &ft_outline_funcs, &fti);
- if (NS_FAILED(rv)) {
- NS_ERROR("error decomposing aGlyphID");
- return 1;
- }
+ rv = aFt2->OutlineDecompose(&slot->outline, &ft_outline_funcs, &fti);
+ if (NS_FAILED(rv)) {
+ NS_ERROR("error decomposing aGlyphID");
+ }
#endif
+ } else if (slot->format == ft_glyph_format_bitmap) {
+ /* ok, it's a bitmap glyph. trace it! */
+ if (trace_bitmap_glyph (slot, &fti)) {
+ NS_ERROR("error tracing bitmap glyph");
+ }
+ } else {
+ NS_ERROR("aGlyphID has unhandled format");
+ }
if (fti.elm_cnt) {
fti.len += csc(&fti.buf, T1_CLOSEPATH);
@@ -491,28 +558,52 @@ FT2GlyphToType1CharString(nsIFreeType2 *
}
static PRBool
-#ifdef MOZ_ENABLE_XFT
+#if defined(MOZ_ENABLE_XFT) || defined(MOZ_ENABLE_PANGO)
outputType1SubFont(FT_Face aFace,
#else
outputType1SubFont(nsIFreeType2 *aFt2, FT_Face aFace,
#endif
- const nsAString &aCharIDs, const char *aFontName,
- int aWmode, int aLenIV, FILE *aFile);
+ nsValueArray *aGlyphs,
+ PRUint32 aOffset, PRUint32 aLen,
+ const char *aFontName,
+ int aWmode, int aLenIV, FILE *aFile);
nsresult
FT2ToType1FontName(FT_Face aFace, int aWmode, nsCString& aFontName)
{
+ // only hash the first 10 000 bytes of the font
+ int size = aFace->stream->size;
+ size = size > 10000 ? 10000 : size;
+
+ unsigned char *data;
+ if (aFace->stream->read) {
+ data = (unsigned char *) malloc (size);
+ aFace->stream->read (aFace->stream, 0, data, size);
+ } else {
+ data = aFace->stream->base;
+ }
+
+ unsigned int data_hash = 0;
+ int i;
+ for (i = 0; i < size; i++)
+ data_hash = (data_hash << 5) - data_hash + data[size];
+
+ if (aFace->stream->read)
+ free (data);
+
aFontName = aFace->family_name;
aFontName.AppendLiteral(".");
aFontName += aFace->style_name;
- aFontName += nsPrintfCString(".%ld.%d", aFace->face_index, aWmode ? 1 : 0);
+ aFontName += nsPrintfCString(".%ld.%d.%lx.%x", aFace->face_index, aWmode ? 1 : 0,
+ (long) aFace->stream->size, data_hash);
flattenName(aFontName);
+
return NS_OK;
}
// output a subsetted truetype font converted to multiple type 1 fonts
PRBool
-FT2SubsetToType1FontSet(FT_Face aFace, const nsString& aSubset,
+FT2SubsetToType1FontSet(FT_Face aFace, nsValueArray *aGlyphSubset,
int aWmode, FILE *aFile)
{
#ifdef MOZ_ENABLE_FREETYPE2
@@ -527,32 +618,35 @@ FT2SubsetToType1FontSet(FT_Face aFace, c
nsCAutoString fontNameBase;
FT2ToType1FontName(aFace, aWmode, fontNameBase);
PRUint32 i = 0;
- for (; i <= aSubset.Length() / 255 ; i++) {
+ for (; i <= aGlyphSubset->Count() / 255 ; i++) {
nsCAutoString fontName(fontNameBase);
fontName.AppendLiteral(".Set");
fontName.AppendInt(i);
-#ifdef MOZ_ENABLE_XFT
+#if defined(MOZ_ENABLE_XFT) || defined(MOZ_ENABLE_PANGO)
outputType1SubFont(aFace,
#else
outputType1SubFont(ft2, aFace,
#endif
- Substring(aSubset, i * 255, PR_MIN(255, aSubset.Length() - i * 255)),
- fontName.get(), aWmode, 4, aFile);
+ aGlyphSubset,
+ (i * 255), PR_MIN(255, aGlyphSubset->Count() - i * 255),
+ fontName.get(), aWmode, 4, aFile);
}
return PR_TRUE;
}
// output a type 1 font (with 255 characters or fewer)
static PRBool
-#ifdef MOZ_ENABLE_XFT
+#if defined(MOZ_ENABLE_XFT) || defined(MOZ_ENABLE_PANGO)
outputType1SubFont(FT_Face aFace,
#else
outputType1SubFont(nsIFreeType2 *aFt2, FT_Face aFace,
#endif
- const nsAString& aCharIDs, const char *aFontName,
- int aWmode, int aLenIV, FILE *aFile)
+ nsValueArray *aGlyphs,
+ PRUint32 aOffset, PRUint32 aLen,
+ const char *aFontName,
+ int aWmode, int aLenIV, FILE *aFile)
{
- FT_UShort upm = aFace->units_per_EM;
+ FT_UShort upm = get_upm (aFace);
fprintf(aFile, "%%%%BeginResource: font %s\n"
"%%!PS-AdobeFont-1.0-3.0 %s 1.0\n"
@@ -573,9 +667,13 @@ outputType1SubFont(nsIFreeType2 *aFt2, F
toCS(upm, aFace->bbox.xMax),
toCS(upm, aFace->bbox.yMax));
- nsString charIDstr(aCharIDs);
- PRUint32 len = aCharIDs.Length();
-
+ nsValueArray glyphs(PR_UINT16_MAX);
+ nsCStringArray glyphnames(PR_UINT16_MAX);
+ glyphs = *aGlyphs;
+
+ PRUint32 len = aLen;
+ PRUint32 i;
+
if (len < 10) {
// Add a small set of characters to the subset of the user
// defined font to produce to make sure the font ends up
@@ -584,25 +682,47 @@ outputType1SubFont(nsIFreeType2 *aFt2, F
// XXX : need to check if this is true of type 1 fonts as well.
// I suspect it's only the case of CID-keyed fonts (type 9) we used to
// generate.
- charIDstr.AppendLiteral("1234567890");
+ for (i = 1; i <= 10; i++) {
+ glyphs.AppendValue(i);
+ }
len += 10;
}
- const PRUnichar *charIDs = charIDstr.get();
-
- PRUint32 i;
+ FT_Int has_glyph_name;
+#if defined (MOZ_ENABLE_XFT) || defined (MOZ_ENABLE_PANGO)
+ has_glyph_name = FT_Has_PS_Glyph_Names(aFace);
+#else
+ has_glyph_name = aFt2->hasPSGlyphNames(aFace);
+#endif
// construct an Encoding vector : the 0th element
// is /.notdef
- fputs("/Encoding [\n/.notdef\n", aFile);
- for (i = 0; i < len; ++i) {
- fprintf(aFile, "/uni%04X", charIDs[i]);
- if (i % 8 == 7) fputc('\n', aFile);
+ fputs("/Encoding [\n/.notdef", aFile);
+ for (i = aOffset; i < aOffset + aLen; ++i) {
+ nsCString name;
+ char buffer[256];
+
+ if (glyphs.ValueAt(i) == 0) {
+ name = "/.notdef";
+ } else if (!has_glyph_name ||
+#if defined (MOZ_ENABLE_XFT) || defined (MOZ_ENABLE_PANGO)
+ FT_Get_Glyph_Name(aFace, glyphs.ValueAt(i), buffer, 255) != FT_Err_Ok
+#else
+ NS_FAILED(aFt2->getGlyphName(aFace, glyphs.ValueAt(i), buffer, 255))
+#endif
+ ) {
+ name = nsPrintfCString(256, "/idx%04X", glyphs.ValueAt(i));
+ } else {
+ name = nsPrintfCString(256, "/%s", buffer);
+ }
+ glyphnames.AppendCString(name);
+ fprintf(aFile, name.get());
+ if ((i-aOffset) % 8 == 6) fputc('\n', aFile);
}
- for (i = len; i < 255; ++i) {
+ for (i = PR_MAX (0, 255 - int(aLen)); i; --i) {
fputs("/.notdef", aFile);
- if (i % 8 == 7) fputc('\n', aFile);
+ if (i % 8 == 1) fputc('\n', aFile);
}
fputs("] def\n", aFile);
@@ -630,23 +750,21 @@ outputType1SubFont(nsIFreeType2 *aFt2, F
// get the maximum charstring length without actually filling up the buffer
PRInt32 charStringLen;
PRInt32 maxCharStringLen =
-#ifdef MOZ_ENABLE_XFT
+#if defined(MOZ_ENABLE_XFT) || defined(MOZ_ENABLE_PANGO)
FT2GlyphToType1CharString(aFace, 0, aWmode, aLenIV, nsnull);
#else
FT2GlyphToType1CharString(aFt2, aFace, 0, aWmode, aLenIV, nsnull);
#endif
- PRUint32 glyphID;
-
- for (i = 0; i < len; i++) {
-#ifdef MOZ_ENABLE_XFT
- glyphID = FT_Get_Char_Index(aFace, charIDs[i]);
+ for (i = aOffset; i < aOffset + aLen; i++) {
+#if defined(MOZ_ENABLE_XFT) || defined(MOZ_ENABLE_PANGO)
charStringLen =
- FT2GlyphToType1CharString(aFace, glyphID, aWmode, aLenIV, nsnull);
+ FT2GlyphToType1CharString(aFace, glyphs.ValueAt(i), aWmode, aLenIV,
+ nsnull);
#else
- aFt2->GetCharIndex(aFace, charIDs[i], &glyphID);
charStringLen =
- FT2GlyphToType1CharString(aFt2, aFace, glyphID, aWmode, aLenIV, nsnull);
+ FT2GlyphToType1CharString(aFt2, aFace, glyphs.ValueAt(i), aWmode, aLenIV,
+ nsnull);
#endif
if (charStringLen > maxCharStringLen)
@@ -666,7 +784,7 @@ outputType1SubFont(nsIFreeType2 *aFt2, F
len + 1).get());
// output the notdef glyph
-#ifdef MOZ_ENABLE_XFT
+#if defined(MOZ_ENABLE_XFT) || defined(MOZ_ENABLE_PANGO)
charStringLen = FT2GlyphToType1CharString(aFace, 0, aWmode, aLenIV,
charString.get());
#else
@@ -676,22 +794,20 @@ outputType1SubFont(nsIFreeType2 *aFt2, F
// enclose charString with "/.notdef RD ..... ND"
charStringOut(aFile, &pos, &key, NS_REINTERPRET_CAST(const char*, charString.get()),
- charStringLen, 0);
+ charStringLen, "/.notdef");
// output the charstrings for each glyph in this sub font
- for (i = 0; i < len; i++) {
-#ifdef MOZ_ENABLE_XFT
- glyphID = FT_Get_Char_Index(aFace, charIDs[i]);
- charStringLen = FT2GlyphToType1CharString(aFace, glyphID, aWmode,
+ for (i = aOffset; i < aOffset + aLen; i++) {
+#if defined(MOZ_ENABLE_XFT) || defined(MOZ_ENABLE_PANGO)
+ charStringLen = FT2GlyphToType1CharString(aFace, glyphs.ValueAt(i), aWmode,
aLenIV, charString.get());
#else
- aFt2->GetCharIndex(aFace, charIDs[i], &glyphID);
- charStringLen = FT2GlyphToType1CharString(aFt2, aFace, glyphID, aWmode,
- aLenIV, charString.get());
+ charStringLen = FT2GlyphToType1CharString(aFt2, aFace, glyphs.ValueAt(i),
+ aWmode, aLenIV, charString.get());
#endif
charStringOut(aFile, &pos, &key, NS_REINTERPRET_CAST(const char*, charString.get()),
- charStringLen, charIDs[i]);
+ charStringLen, glyphnames.CStringAt(i - aOffset)->get());
}
// wrap up the encrypted part of the font definition
@@ -753,15 +869,12 @@ void encryptAndHexOut(FILE *aFile, PRUin
/* static */
void charStringOut(FILE* aFile, PRUint32* aPos, PRUint16* aKey,
- const char *aStr, PRUint32 aLen, PRUnichar aId)
+ const char *aStr, PRUint32 aLen, const char *aGlyphName)
{
// use a local buffer instead of nsPrintfCString to avoid alloc.
char buf[30];
int oLen;
- if (aId == 0)
- oLen = PR_snprintf(buf, 30, "/.notdef %d RD ", aLen);
- else
- oLen = PR_snprintf(buf, 30, "/uni%04X %d RD ", aId, aLen);
+ oLen = PR_snprintf(buf, 30, "%s %d RD ", aGlyphName, aLen);
if (oLen >= 30) {
NS_WARNING("buffer size exceeded. charstring will be truncated");
Index: gfx/src/ps/nsType1.h
===================================================================
RCS file: /cvsroot/mozilla/gfx/src/ps/nsType1.h,v
retrieving revision 1.5
diff -u -p -d -r1.5 nsType1.h
--- gfx/src/ps/nsType1.h 4 Mar 2005 07:39:27 -0000 1.5
+++ gfx/src/ps/nsType1.h 23 Oct 2006 17:37:39 -0000
@@ -122,8 +122,9 @@ FT_Error FT2GlyphToType1CharString(nsIFr
class nsString;
class nsCString;
+class nsValueArray;
-PRBool FT2SubsetToType1FontSet(FT_Face aFace, const nsString& aSubset,
+PRBool FT2SubsetToType1FontSet(FT_Face aFace, nsValueArray *aGlyphSubset,
int aWmode, FILE *aFile);
nsresult FT2ToType1FontName(FT_Face aFace, int aWmode,
nsCString& aFontName);
Index: config/system-headers
===================================================================
--- config/system-headers 2006-10-26 12:21:39.000000000 -0400
+++ config/system-headers 2006-10-26 12:23:29.000000000 -0400
@@ -180,6 +180,7 @@
freetype/ftoutln.h
freetype/ttnameid.h
freetype/tttables.h
+freetype/t1tables.h
fribidi/fribidi.h
FSp_fopen.h
fstream.h
@@ -484,6 +485,7 @@
pango/pangofc-fontmap.h
pango/pango-fontmap.h
pango/pango.h
+pango/pangoft2.h
pango/pangoxft.h
pango/pangox.h
pango-types.h
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