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cups-filters/cups-filters-page-label.patch

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Added support for page-label (bug #987515). Resolves: rhbz#987515
2013-07-23 14:47:01 +00:00
diff -up cups-filters-1.0.35/filter/pdftopdf/pdftopdf.cc.page-label cups-filters-1.0.35/filter/pdftopdf/pdftopdf.cc
--- cups-filters-1.0.35/filter/pdftopdf/pdftopdf.cc.page-label 2013-04-09 19:14:42.000000000 +0100
+++ cups-filters-1.0.35/filter/pdftopdf/pdftopdf.cc 2013-07-23 15:33:10.483302470 +0100
@@ -9,6 +9,8 @@
#include <assert.h>
#include <cups/cups.h>
#include <cups/ppd.h>
+#include <iomanip>
+#include <sstream>
#include <memory>
#include "pdftopdf_processor.h"
@@ -402,8 +404,27 @@ void getParameters(ppd_file_t *ppd,int n
param.reverse=ppdDefaultOrder(ppd);
}
- // TODO: pageLabel (not used)
- // param.pageLabel=cupsGetOption("page-label",num_options,options); // strdup?
+ std::string rawlabel;
+ char *classification = getenv("CLASSIFICATION");
+ if (classification)
+ rawlabel.append (classification);
+
+ if ( (val=cupsGetOption("page-label", num_options, options)) != NULL) {
+ if (!rawlabel.empty())
+ rawlabel.append (" - ");
+ rawlabel.append(cupsGetOption("page-label",num_options,options));
+ }
+
+ std::ostringstream cookedlabel;
+ for (std::string::iterator it = rawlabel.begin();
+ it != rawlabel.end ();
+ ++it) {
+ if (*it < 32 || *it > 126)
+ cookedlabel << "\\" << std::oct << std::setfill('0') << std::setw(3) << (unsigned int) *it;
+ else
+ cookedlabel.put (*it);
+ }
+ param.pageLabel = cookedlabel.str ();
if ( (val=cupsGetOption("page-set",num_options,options)) != NULL) {
if (strcasecmp(val,"even")==0) {
diff -up cups-filters-1.0.35/filter/pdftopdf/pdftopdf_processor.cc.page-label cups-filters-1.0.35/filter/pdftopdf/pdftopdf_processor.cc
--- cups-filters-1.0.35/filter/pdftopdf/pdftopdf_processor.cc.page-label 2013-02-15 17:37:59.000000000 +0000
+++ cups-filters-1.0.35/filter/pdftopdf/pdftopdf_processor.cc 2013-07-23 12:24:13.658753592 +0100
@@ -80,12 +80,8 @@ void ProcessingParameters::dump() const
fprintf(stderr,"evenDuplex: %s\n",
(evenDuplex)?"true":"false");
-/*
- // std::string pageLabel; // or NULL? must stay/dup!
- ...
- ...
-
-*/
+ fprintf(stderr,"pageLabel: %s\n",
+ pageLabel.empty () ? "(none)" : pageLabel.c_str());
fprintf(stderr,"bookletMode: ");
BookletMode_dump(booklet);
@@ -206,6 +202,10 @@ bool processPDFTOPDF(PDFTOPDF_Processor
page->mirror();
}
+ if (!param.pageLabel.empty()) {
+ page->add_label(param.page, param.pageLabel);
+ }
+
// place border
if ( (param.border!=BorderType::NONE)&&(iA<numOrigPages) ) {
#if 0 // would be nice, but is not possible
diff -up cups-filters-1.0.35/filter/pdftopdf/pdftopdf_processor.h.page-label cups-filters-1.0.35/filter/pdftopdf/pdftopdf_processor.h
--- cups-filters-1.0.35/filter/pdftopdf/pdftopdf_processor.h.page-label 2012-11-15 15:58:39.000000000 +0000
+++ cups-filters-1.0.35/filter/pdftopdf/pdftopdf_processor.h 2013-07-23 14:44:44.484281987 +0100
@@ -20,7 +20,7 @@ struct ProcessingParameters {
border(NONE),
reverse(false),
-// pageLabel(NULL),
+ pageLabel(),
evenPages(true),oddPages(true),
mirror(false),
@@ -60,7 +60,7 @@ struct ProcessingParameters {
NupParameters nup;
bool reverse;
- // std::string pageLabel; // or NULL? must stay/dup!
+ std::string pageLabel;
bool evenPages,oddPages;
IntervalSet pageRange;
@@ -105,6 +105,7 @@ public:
virtual void add_subpage(const std::shared_ptr<PDFTOPDF_PageHandle> &sub,float xpos,float ypos,float scale,const PageRect *crop=NULL) =0;
virtual void mirror() =0;
virtual void rotate(Rotation rot) =0;
+ virtual void add_label(const PageRect &rect, const std::string label) =0;
};
// TODO: ... error output?
diff -up cups-filters-1.0.35/filter/pdftopdf/qpdf_pdftopdf_processor.cc.page-label cups-filters-1.0.35/filter/pdftopdf/qpdf_pdftopdf_processor.cc
--- cups-filters-1.0.35/filter/pdftopdf/qpdf_pdftopdf_processor.cc.page-label 2013-03-14 20:32:42.000000000 +0000
+++ cups-filters-1.0.35/filter/pdftopdf/qpdf_pdftopdf_processor.cc 2013-07-23 15:03:09.219500610 +0100
@@ -257,6 +257,94 @@ void QPDF_PDFTOPDF_PageHandle::rotate(Ro
}
// }}}
+void QPDF_PDFTOPDF_PageHandle::add_label(const PageRect &_rect, const std::string label) // {{{
+{
+ assert(isExisting());
+
+ PageRect rect = ungetRect (_rect, *this, rotation, page);
+
+ assert (rect.left <= rect.right);
+ assert (rect.bottom <= rect.top);
+
+ // TODO: Only add in the font once, not once per page.
+ QPDFObjectHandle font = page.getOwningQPDF()->makeIndirectObject (
+ QPDFObjectHandle::parse(
+ "<<"
+ " /Type /Font"
+ " /Subtype /Type1"
+ " /Name /pagelabel-font"
+ " /BaseFont /Helvetica" // TODO: support UTF-8 labels?
+ ">>"));
+ QPDFObjectHandle resources = page.getKey ("/Resources");
+ QPDFObjectHandle rfont = resources.getKey ("/Font");
+ rfont.replaceKey ("/pagelabel-font", font);
+
+ double margin = 2.25;
+ double height = 12;
+
+ std::string boxcmd = "q\n";
+
+ // White filled rectangle (top)
+ boxcmd += " 1 1 1 rg\n";
+ boxcmd += " " + QUtil::double_to_string(rect.left + margin) + " " +
+ QUtil::double_to_string(rect.top - height - 2 * margin) + " " +
+ QUtil::double_to_string(rect.right - rect.left - 2 * margin) + " " +
+ QUtil::double_to_string(height + 2 * margin) + " re f\n";
+
+ // White filled rectangle (bottom)
+ boxcmd += " " + QUtil::double_to_string(rect.left + margin) + " " +
+ QUtil::double_to_string(rect.bottom + height + margin) + " " +
+ QUtil::double_to_string(rect.right - rect.left - 2 * margin) + " " +
+ QUtil::double_to_string(height + 2 * margin) + " re f\n";
+
+ // Black outline (top)
+ boxcmd += " 0 0 0 RG\n";
+ boxcmd += " " + QUtil::double_to_string(rect.left + margin) + " " +
+ QUtil::double_to_string(rect.top - height - 2 * margin) + " " +
+ QUtil::double_to_string(rect.right - rect.left - 2 * margin) + " " +
+ QUtil::double_to_string(height + 2 * margin) + " re S\n";
+
+ // Black outline (bottom)
+ boxcmd += " " + QUtil::double_to_string(rect.left + margin) + " " +
+ QUtil::double_to_string(rect.bottom + height + margin) + " " +
+ QUtil::double_to_string(rect.right - rect.left - 2 * margin) + " " +
+ QUtil::double_to_string(height + 2 * margin) + " re S\n";
+
+ // Black text (top)
+ boxcmd += " 0 0 0 rg\n";
+ boxcmd += " BT\n";
+ boxcmd += " /pagelabel-font 12 Tf\n";
+ boxcmd += " " + QUtil::double_to_string(rect.left + 2 * margin) + " " +
+ QUtil::double_to_string(rect.top - height - margin) + " Td\n";
+ boxcmd += " (" + label + ") Tj\n";
+ boxcmd += " ET\n";
+
+ // Black text (bottom)
+ boxcmd += " BT\n";
+ boxcmd += " /pagelabel-font 12 Tf\n";
+ boxcmd += " " + QUtil::double_to_string(rect.left + 2 * margin) + " " +
+ QUtil::double_to_string(rect.bottom + height + 2 * margin) + " Td\n";
+ boxcmd += " (" + label + ") Tj\n";
+ boxcmd += " ET\n";
+
+ boxcmd += "Q\n";
+
+ assert(page.getOwningQPDF()); // existing pages are always indirect
+ static const char *pre="%pdftopdf q\n"
+ "q\n",
+ *post="%pdftopdf Q\n"
+ "Q\n";
+
+ QPDFObjectHandle stm1=QPDFObjectHandle::newStream(page.getOwningQPDF(),
+ pre),
+ stm2=QPDFObjectHandle::newStream(page.getOwningQPDF(),
+ std::string(post) + boxcmd);
+
+ page.addPageContents(stm1,true); // before
+ page.addPageContents(stm2,false); // after
+}
+// }}}
+
void QPDF_PDFTOPDF_PageHandle::debug(const PageRect &rect,float xpos,float ypos) // {{{
{
assert(!isExisting());
@@ -264,7 +352,7 @@ void QPDF_PDFTOPDF_PageHandle::debug(con
}
// }}}
-
+// }}}
void QPDF_PDFTOPDF_Processor::closeFile() // {{{
{
pdf.reset();
diff -up cups-filters-1.0.35/filter/pdftopdf/qpdf_pdftopdf_processor.h.page-label cups-filters-1.0.35/filter/pdftopdf/qpdf_pdftopdf_processor.h
--- cups-filters-1.0.35/filter/pdftopdf/qpdf_pdftopdf_processor.h.page-label 2012-11-15 15:58:39.000000000 +0000
+++ cups-filters-1.0.35/filter/pdftopdf/qpdf_pdftopdf_processor.h 2013-07-23 14:45:07.801419762 +0100
@@ -11,6 +11,7 @@ public:
virtual void add_subpage(const std::shared_ptr<PDFTOPDF_PageHandle> &sub,float xpos,float ypos,float scale,const PageRect *crop=NULL);
virtual void mirror();
virtual void rotate(Rotation rot);
+ virtual void add_label(const PageRect &rect, const std::string label);
void debug(const PageRect &rect,float xpos,float ypos);
private:
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