mirror of
https://github.com/classilla/tenfourfox.git
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130 lines
4.2 KiB
Diff
130 lines
4.2 KiB
Diff
diff --git a/gfx/cairo/cairo/src/cairo-win32-surface.c b/gfx/cairo/cairo/src/cairo-win32-surface.c
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--- a/gfx/cairo/cairo/src/cairo-win32-surface.c
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+++ b/gfx/cairo/cairo/src/cairo-win32-surface.c
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@@ -1709,40 +1709,23 @@ _cairo_win32_surface_show_glyphs (void
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}
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#else
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return CAIRO_INT_STATUS_UNSUPPORTED;
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#endif
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}
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#undef STACK_GLYPH_SIZE
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-/**
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- * cairo_win32_surface_create:
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- * @hdc: the DC to create a surface for
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- *
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- * Creates a cairo surface that targets the given DC. The DC will be
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- * queried for its initial clip extents, and this will be used as the
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- * size of the cairo surface. The resulting surface will always be of
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- * format %CAIRO_FORMAT_RGB24; should you need another surface format,
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- * you will need to create one through
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- * cairo_win32_surface_create_with_dib().
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- *
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- * Return value: the newly created surface
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- **/
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-cairo_surface_t *
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-cairo_win32_surface_create (HDC hdc)
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+static cairo_surface_t *
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+cairo_win32_surface_create_internal (HDC hdc, cairo_format_t format)
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{
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cairo_win32_surface_t *surface;
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- cairo_format_t format;
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RECT rect;
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- /* Assume that everything coming in as a HDC is RGB24 */
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- format = CAIRO_FORMAT_RGB24;
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-
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surface = malloc (sizeof (cairo_win32_surface_t));
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if (surface == NULL)
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return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
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if (_cairo_win32_save_initial_clip (hdc, surface) != CAIRO_STATUS_SUCCESS) {
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free (surface);
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return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
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}
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@@ -1765,17 +1748,58 @@ cairo_win32_surface_create (HDC hdc)
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surface->extents.width = rect.right - rect.left;
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surface->extents.height = rect.bottom - rect.top;
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surface->flags = _cairo_win32_flags_for_dc (surface->dc);
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_cairo_surface_init (&surface->base, &cairo_win32_surface_backend,
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_cairo_content_from_format (format));
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- return (cairo_surface_t *)surface;
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+ return &surface->base;
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+}
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+
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+/**
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+ * cairo_win32_surface_create:
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+ * @hdc: the DC to create a surface for
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+ *
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+ * Creates a cairo surface that targets the given DC. The DC will be
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+ * queried for its initial clip extents, and this will be used as the
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+ * size of the cairo surface. The resulting surface will always be of
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+ * format %CAIRO_FORMAT_RGB24; should you need another surface format,
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+ * you will need to create one through
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+ * cairo_win32_surface_create_with_dib() or call
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+ * cairo_win32_surface_create_with_alpha.
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+ *
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+ * Return value: the newly created surface
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+ **/
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+cairo_surface_t *
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+cairo_win32_surface_create (HDC hdc)
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+{
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+ /* Assume everything comes in as RGB24 */
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+ return cairo_win32_surface_create_internal(hdc, CAIRO_FORMAT_RGB24);
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+}
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+
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+/**
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+ * cairo_win32_surface_create_with_alpha:
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+ * @hdc: the DC to create a surface for
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+ *
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+ * Creates a cairo surface that targets the given DC. The DC will be
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+ * queried for its initial clip extents, and this will be used as the
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+ * size of the cairo surface. The resulting surface will always be of
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+ * format %CAIRO_FORMAT_ARGB32; this format is used when drawing into
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+ * transparent windows.
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+ *
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+ * Return value: the newly created surface
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+ *
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+ * Since: 1.10
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+ **/
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+cairo_surface_t *
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+cairo_win32_surface_create_with_alpha (HDC hdc)
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+{
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+ return cairo_win32_surface_create_internal(hdc, CAIRO_FORMAT_ARGB32);
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}
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/**
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* cairo_win32_surface_create_with_dib:
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* @format: format of pixels in the surface to create
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* @width: width of the surface, in pixels
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* @height: height of the surface, in pixels
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*
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diff --git a/gfx/cairo/cairo/src/cairo-win32.h b/gfx/cairo/cairo/src/cairo-win32.h
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--- a/gfx/cairo/cairo/src/cairo-win32.h
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+++ b/gfx/cairo/cairo/src/cairo-win32.h
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@@ -44,16 +44,19 @@
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#include <windows.h>
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CAIRO_BEGIN_DECLS
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cairo_public cairo_surface_t *
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cairo_win32_surface_create (HDC hdc);
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cairo_public cairo_surface_t *
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+cairo_win32_surface_create_with_alpha (HDC hdc);
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+
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+cairo_public cairo_surface_t *
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cairo_win32_printing_surface_create (HDC hdc);
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cairo_public cairo_surface_t *
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cairo_win32_surface_create_with_ddb (HDC hdc,
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cairo_format_t format,
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int width,
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int height);
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