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mingw-cairo/SOURCES/0002-win32-Add-a-win32-boilerplate-that-uses-a-real-windo.patch
CentOS Sources 2f0b105060 import mingw-cairo-1.14.10-4.el8
2021-09-09 22:14:12 +00:00

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From e38e942ac0ef6f5366cabdb22df9858fa4c05ea1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=A0=D1=83=D1=81=D0=BB=D0=B0=D0=BD=20=D0=98=D0=B6=D0=B1?=
=?UTF-8?q?=D1=83=D0=BB=D0=B0=D1=82=D0=BE=D0=B2?= <lrn1986@gmail.com>
Date: Sat, 4 Apr 2015 15:58:53 +0000
Subject: [PATCH 2/2] win32: Add a win32 boilerplate that uses a real window
This way it uses the codepath for cairo_win32_surface_create_with_format(),
instead of the cairo_win32_surface_create_with_dib().
Without the recording tests (which terminate the testsuite)
the testsuite results for win32 are:
284 Passed, 167 Failed [1 crashed, 9 expected], 23 Skipped
win32 (rgb24): 1 crashed!
win32 (rgb24): 17 error
win32 (rgb24): 155 failed
win32 (argb32): 1 crashed!
win32 (argb32): 17 error
win32 (argb32): 68 failed
win32-window-color (rgb24): 1 crashed!
win32-window-color (rgb24): 17 error
win32-window-color (rgb24): 148 failed
win32-window-coloralpha (argb32): 1 crashed!
win32-window-coloralpha (argb32): 17 error
win32-window-coloralpha (argb32): 66 failed
Reviewed-by: Bryce Harrington <bryce@osg.samsung.com>
---
boilerplate/cairo-boilerplate-win32.c | 242 ++++++++++++++++++++++++++++++++--
1 file changed, 228 insertions(+), 14 deletions(-)
diff --git a/boilerplate/cairo-boilerplate-win32.c b/boilerplate/cairo-boilerplate-win32.c
index 7469cc7..4fd0a10 100644
--- a/boilerplate/cairo-boilerplate-win32.c
+++ b/boilerplate/cairo-boilerplate-win32.c
@@ -28,15 +28,191 @@
#include <cairo-win32.h>
+static const cairo_user_data_key_t win32_closure_key;
+
+typedef struct _win32_target_closure {
+ HWND wnd;
+ HDC dc;
+ ATOM bpl_atom;
+ cairo_surface_t *surface;
+} win32_target_closure_t;
+
+static void
+_cairo_boilerplate_win32_cleanup_window_surface (void *closure)
+{
+ win32_target_closure_t *win32tc = closure;
+
+ if (win32tc != NULL)
+ {
+ if (win32tc->wnd != NULL &&
+ ReleaseDC (win32tc->wnd, win32tc->dc) != 1)
+ fprintf (stderr,
+ "Failed to release DC of a test window when cleaning up.\n");
+ if (win32tc->wnd != NULL &&
+ DestroyWindow (win32tc->wnd) == 0)
+ fprintf (stderr,
+ "Failed to destroy a test window when cleaning up, GLE is %lu.\n",
+ GetLastError ());
+ if (win32tc->bpl_atom != 0 &&
+ UnregisterClassA ((LPCSTR) MAKELPARAM (win32tc->bpl_atom, 0), GetModuleHandle (NULL)) == 0 &&
+ GetLastError () != ERROR_CLASS_DOES_NOT_EXIST)
+ fprintf (stderr,
+ "Failed to unregister boilerplate window class, GLE is %lu.\n",
+ GetLastError ());
+
+ free (win32tc);
+ }
+}
+
+static win32_target_closure_t *
+_cairo_boilerplate_win32_create_window (int width,
+ int height)
+{
+ WNDCLASSEXA wincl;
+ win32_target_closure_t *win32tc;
+ LPCSTR window_class_name;
+
+ ZeroMemory (&wincl, sizeof (WNDCLASSEXA));
+ wincl.cbSize = sizeof (WNDCLASSEXA);
+ wincl.hInstance = GetModuleHandle (0);
+ wincl.lpszClassName = "cairo_boilerplate_win32_dummy";
+ wincl.lpfnWndProc = DefWindowProcA;
+ wincl.style = CS_OWNDC;
+
+ win32tc = calloc (1, sizeof (win32_target_closure_t));
+
+ if (win32tc == NULL)
+ {
+ int error = errno;
+ fprintf (stderr, "Ran out of memory: %d.\n", error);
+ return NULL;
+ }
+
+ ZeroMemory (win32tc, sizeof (win32_target_closure_t));
+
+ win32tc->bpl_atom = RegisterClassExA (&wincl);
+
+ if (win32tc->bpl_atom == 0 && GetLastError () != ERROR_CLASS_ALREADY_EXISTS)
+ {
+ fprintf (stderr,
+ "Failed to register a boilerplate window class, GLE is %lu.\n",
+ GetLastError ());
+ _cairo_boilerplate_win32_cleanup_window_surface (win32tc);
+ return NULL;
+ }
+
+ if (win32tc->bpl_atom == 0)
+ window_class_name = wincl.lpszClassName;
+ else
+ window_class_name = (LPCSTR) MAKELPARAM (win32tc->bpl_atom, 0);
+
+ win32tc->wnd = CreateWindowExA (WS_EX_TOOLWINDOW,
+ window_class_name,
+ 0,
+ WS_POPUP,
+ 0,
+ 0,
+ width,
+ height,
+ 0,
+ 0,
+ 0,
+ 0);
+
+ if (win32tc->wnd == NULL)
+ {
+ fprintf (stderr,
+ "Failed to create a test window, GLE is %lu.\n",
+ GetLastError ());
+ _cairo_boilerplate_win32_cleanup_window_surface (win32tc);
+ return NULL;
+ }
+
+ win32tc->dc = GetDC (win32tc->wnd);
+
+ if (win32tc->dc == NULL)
+ {
+ fprintf (stderr, "Failed to get test window DC.\n");
+ _cairo_boilerplate_win32_cleanup_window_surface (win32tc);
+ return NULL;
+ }
+
+ SetWindowPos (win32tc->wnd,
+ HWND_BOTTOM,
+ INT_MIN,
+ INT_MIN,
+ width,
+ height,
+ SWP_NOACTIVATE | SWP_SHOWWINDOW);
+
+ return win32tc;
+}
+
static cairo_surface_t *
-_cairo_boilerplate_win32_create_surface (const char *name,
- cairo_content_t content,
- double width,
- double height,
- double max_width,
- double max_height,
- cairo_boilerplate_mode_t mode,
- void **closure)
+_cairo_boilerplate_win32_create_window_surface (const char *name,
+ cairo_content_t content,
+ double width,
+ double height,
+ double max_width,
+ double max_height,
+ cairo_boilerplate_mode_t mode,
+ void **closure)
+{
+ win32_target_closure_t *win32tc;
+ cairo_surface_t *surface;
+ cairo_format_t format;
+ cairo_status_t status;
+
+ win32tc = _cairo_boilerplate_win32_create_window (width, height);
+
+ if (win32tc == NULL)
+ return NULL;
+
+ format = cairo_boilerplate_format_from_content (content);
+
+ surface = cairo_win32_surface_create_with_format (win32tc->dc, format);
+
+ win32tc->surface = surface;
+
+ status = cairo_surface_status (surface);
+
+ if (status != CAIRO_STATUS_SUCCESS)
+ {
+ fprintf (stderr,
+ "Failed to create the test surface: %s [%d].\n",
+ cairo_status_to_string (status), status);
+ _cairo_boilerplate_win32_cleanup_window_surface (win32tc);
+ return NULL;
+ }
+
+ status = cairo_surface_set_user_data (surface, &win32_closure_key, win32tc, NULL);
+
+ if (status != CAIRO_STATUS_SUCCESS)
+ {
+ fprintf (stderr,
+ "Failed to set surface userdata: %s [%d].\n",
+ cairo_status_to_string (status), status);
+
+ cairo_surface_destroy (surface);
+ _cairo_boilerplate_win32_cleanup_window_surface (win32tc);
+
+ return NULL;
+ }
+
+ *closure = win32tc;
+
+ return surface;
+}
+
+static cairo_surface_t *
+_cairo_boilerplate_win32_create_dib_surface (const char *name,
+ cairo_content_t content,
+ double width,
+ double height,
+ double max_width,
+ double max_height,
+ cairo_boilerplate_mode_t mode,
+ void **closure)
{
cairo_format_t format;
@@ -52,12 +228,16 @@ static const cairo_boilerplate_target_t targets[] = {
"win32", "win32", NULL, NULL,
CAIRO_SURFACE_TYPE_WIN32, CAIRO_CONTENT_COLOR, 0,
"cairo_win32_surface_create_with_dib",
- _cairo_boilerplate_win32_create_surface,
+ _cairo_boilerplate_win32_create_dib_surface,
cairo_surface_create_similar,
- NULL, NULL,
+ NULL,
+ NULL,
_cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
- NULL, NULL, NULL, TRUE, FALSE, FALSE
+ NULL,
+ NULL,
+ NULL,
+ TRUE, FALSE, FALSE
},
/* Testing the win32 surface isn't interesting, since for
* ARGB images it just chains to the image backend
@@ -66,12 +246,46 @@ static const cairo_boilerplate_target_t targets[] = {
"win32", "win32", NULL, NULL,
CAIRO_SURFACE_TYPE_WIN32, CAIRO_CONTENT_COLOR_ALPHA, 0,
"cairo_win32_surface_create_with_dib",
- _cairo_boilerplate_win32_create_surface,
+ _cairo_boilerplate_win32_create_dib_surface,
cairo_surface_create_similar,
- NULL, NULL,
+ NULL,
+ NULL,
_cairo_boilerplate_get_image_surface,
cairo_surface_write_to_png,
- NULL, NULL, NULL, FALSE, FALSE, FALSE
+ NULL,
+ NULL,
+ NULL,
+ FALSE, FALSE, FALSE
+ },
+ {
+ "win32-window-color", "win32", NULL, NULL,
+ CAIRO_SURFACE_TYPE_WIN32, CAIRO_CONTENT_COLOR, 1,
+ "cairo_win32_surface_create",
+ _cairo_boilerplate_win32_create_window_surface,
+ cairo_surface_create_similar,
+ NULL,
+ NULL,
+ _cairo_boilerplate_get_image_surface,
+ cairo_surface_write_to_png,
+ _cairo_boilerplate_win32_cleanup_window_surface,
+ NULL,
+ NULL,
+ FALSE, FALSE, FALSE
+ },
+ {
+ "win32-window-coloralpha", "win32", NULL, NULL,
+ CAIRO_SURFACE_TYPE_WIN32, CAIRO_CONTENT_COLOR_ALPHA, 1,
+ "cairo_win32_surface_create_with_format",
+ _cairo_boilerplate_win32_create_window_surface,
+ cairo_surface_create_similar,
+ NULL,
+ NULL,
+ _cairo_boilerplate_get_image_surface,
+ cairo_surface_write_to_png,
+ _cairo_boilerplate_win32_cleanup_window_surface,
+ NULL,
+ NULL,
+ FALSE, FALSE, FALSE
},
};
CAIRO_BOILERPLATE (win32, targets)
--
2.4.3
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