pjs/gfx/cairo/quartz-fallback.patch

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# HG changeset patch
# User Robert O'Callahan <robert@ocallahan.org>
# Date 1250204857 -43200
# Node ID cc6bebbd93bb9d8606fe06b997f890acc17996fb
# Parent caea8b548962f0df38e8e9032e9f57ef0fd099ec
Bug 507939 - Remove erroneous clip rect fixup which caused repainting errors with repeating radial gradients on Mac. r=jmuizelaar
diff --git a/gfx/cairo/cairo/src/cairo-quartz-surface.c b/gfx/cairo/cairo/src/cairo-quartz-surface.c
--- a/gfx/cairo/cairo/src/cairo-quartz-surface.c
+++ b/gfx/cairo/cairo/src/cairo-quartz-surface.c
@@ -1033,38 +1033,29 @@ typedef enum {
DO_TILED_IMAGE
} cairo_quartz_action_t;
static cairo_quartz_action_t
_cairo_quartz_setup_fallback_source (cairo_quartz_surface_t *surface,
const cairo_pattern_t *source)
{
CGRect clipBox = CGContextGetClipBoundingBox (surface->cgContext);
- CGAffineTransform ctm;
double x0, y0, w, h;
cairo_surface_t *fallback;
cairo_t *fallback_cr;
CGImageRef img;
cairo_pattern_t *source_copy;
cairo_status_t status;
if (clipBox.size.width == 0.0f ||
clipBox.size.height == 0.0f)
return DO_NOTHING;
- // the clipBox is in userspace, so:
- ctm = CGContextGetCTM (surface->cgContext);
- ctm = CGAffineTransformInvert (ctm);
- clipBox = CGRectApplyAffineTransform (clipBox, ctm);
-
- // get the Y flip right -- the CTM will always have a Y flip in place
- clipBox.origin.y = surface->extents.height - (clipBox.origin.y + clipBox.size.height);
-
x0 = floor(clipBox.origin.x);
y0 = floor(clipBox.origin.y);
w = ceil(clipBox.origin.x + clipBox.size.width) - x0;
h = ceil(clipBox.origin.y + clipBox.size.height) - y0;
/* Create a temporary the size of the clip surface, and position
* it so that the device origin coincides with the original surface */
fallback = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, (int) w, (int) h);
@@ -1717,18 +1708,20 @@ _cairo_quartz_surface_paint (void *abstr
action = _cairo_quartz_setup_source (surface, source);
if (action == DO_SOLID || action == DO_PATTERN) {
CGContextFillRect (surface->cgContext, CGRectMake(surface->extents.x,
surface->extents.y,
surface->extents.width,
surface->extents.height));
} else if (action == DO_SHADING) {
+ CGContextSaveGState (surface->cgContext);
CGContextConcatCTM (surface->cgContext, surface->sourceTransform);
CGContextDrawShading (surface->cgContext, surface->sourceShading);
+ CGContextRestoreGState (surface->cgContext);
} else if (action == DO_IMAGE || action == DO_TILED_IMAGE) {
CGContextSaveGState (surface->cgContext);
CGContextConcatCTM (surface->cgContext, surface->sourceTransform);
CGContextTranslateCTM (surface->cgContext, 0, surface->sourceImageRect.size.height);
CGContextScaleCTM (surface->cgContext, 1, -1);
if (action == DO_IMAGE)