зеркало из https://github.com/mozilla/gecko-dev.git
69 строки
2.2 KiB
Diff
69 строки
2.2 KiB
Diff
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CAIRO_FORMAT_A8 not allowed for cairo-qt image backend
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diff --git a/gfx/cairo/cairo/src/cairo-qt-surface.cpp b/gfx/cairo/cairo/src/cairo-qt-surface.cpp
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--- a/gfx/cairo/cairo/src/cairo-qt-surface.cpp
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+++ b/gfx/cairo/cairo/src/cairo-qt-surface.cpp
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@@ -459,17 +459,17 @@ _cairo_qt_surface_finish (void *abstract
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{
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cairo_qt_surface_t *qs = (cairo_qt_surface_t *) abstract_surface;
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D(fprintf(stderr, "q[%p] finish\n", abstract_surface));
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/* Only delete p if we created it */
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if (qs->image || qs->pixmap)
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delete qs->p;
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- else
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+ else if (qs->p)
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qs->p->restore ();
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if (qs->image_equiv)
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cairo_surface_destroy (qs->image_equiv);
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_cairo_surface_clipper_reset (&qs->clipper);
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if (qs->image)
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@@ -736,17 +736,17 @@ _cairo_qt_surface_set_clip_region (cairo
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}
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static cairo_int_status_t
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_cairo_qt_surface_set_clip (cairo_qt_surface_t *qs,
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cairo_clip_t *clip)
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{
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cairo_int_status_t status;
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- D(fprintf(stderr, "q[%p] intersect_clip_path %s\n", abstract_surface, path ? "(path)" : "(clear)"));
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+ D(fprintf(stderr, "q[%p] intersect_clip_path %s\n", qs, clip ? "(path)" : "(clear)"));
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if (clip == NULL) {
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_cairo_surface_clipper_reset (&qs->clipper);
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// How the clip path is reset depends on whether we own p or not
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if (qs->pixmap || qs->image) {
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// we own p
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qs->p->setClipping (false);
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} else {
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@@ -1605,16 +1605,25 @@ cairo_qt_surface_create_with_qimage (cai
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_cairo_surface_init (&qs->base,
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&cairo_qt_surface_backend,
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_cairo_content_from_format (format));
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_cairo_surface_clipper_init (&qs->clipper,
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_cairo_qt_surface_clipper_intersect_clip_path);
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+ if (CAIRO_FORMAT_A8 == format) {
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+ qs->image = NULL;
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+ qs->image_equiv = cairo_image_surface_create(format,
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+ width, height);
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+ qs->p = NULL;
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+ qs->supports_porter_duff = false;
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+ qs->window = QRect(0, 0, width, height);
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+ return &qs->base;
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+ }
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QImage *image = new QImage (width, height,
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_qimage_format_from_cairo_format (format));
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qs->image = image;
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if (!image->isNull()) {
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qs->p = new QPainter(image);
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