gfx/cairo/quartz-fix-PAD.patch

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0 1 From: Robert O'Callahan <robert@ocallahan.org>
michael@0 2 Bug 593270. Part 2: Treat EXTEND_PAD like EXTEND_NONE when painting. r=jrmuizel,a=joe
michael@0 3
michael@0 4 diff --git a/gfx/cairo/cairo/src/cairo-quartz-surface.c b/gfx/cairo/cairo/src/cairo-quartz-surface.c
michael@0 5 --- a/gfx/cairo/cairo/src/cairo-quartz-surface.c
michael@0 6 +++ b/gfx/cairo/cairo/src/cairo-quartz-surface.c
michael@0 7 @@ -1464,35 +1464,35 @@ static void
michael@0 8 _cairo_quartz_setup_surface_source (cairo_quartz_surface_t *surface,
michael@0 9 const cairo_surface_pattern_t *spat,
michael@0 10 cairo_rectangle_int_t *extents,
michael@0 11 cairo_quartz_drawing_state_t *state)
michael@0 12 {
michael@0 13 const cairo_pattern_t *source = &spat->base;
michael@0 14 CGContextRef context = state->context;
michael@0 15
michael@0 16 - if (source->extend == CAIRO_EXTEND_NONE ||
michael@0 17 + if (source->extend == CAIRO_EXTEND_NONE || source->extend == CAIRO_EXTEND_PAD ||
michael@0 18 (CGContextDrawTiledImagePtr && source->extend == CAIRO_EXTEND_REPEAT))
michael@0 19 {
michael@0 20 cairo_surface_t *pat_surf = spat->surface;
michael@0 21 CGImageRef img;
michael@0 22 cairo_matrix_t m = spat->base.matrix;
michael@0 23 cairo_rectangle_int_t extents;
michael@0 24 CGAffineTransform xform;
michael@0 25 CGRect srcRect;
michael@0 26 cairo_fixed_t fw, fh;
michael@0 27 cairo_bool_t is_bounded;
michael@0 28 + cairo_bool_t repeat = source->extend == CAIRO_EXTEND_REPEAT;
michael@0 29 cairo_status_t status;
michael@0 30
michael@0 31 cairo_matrix_invert(&m);
michael@0 32 _cairo_quartz_cairo_matrix_to_quartz (&m, &state->transform);
michael@0 33
michael@0 34 /* Draw nonrepeating CGLayer surface using DO_LAYER */
michael@0 35 - if (source->extend == CAIRO_EXTEND_NONE ||
michael@0 36 - (CGContextDrawTiledImagePtr && source->extend == CAIRO_EXTEND_REPEAT))
michael@0 37 + if (!repeat && cairo_surface_get_type (pat_surf) == CAIRO_SURFACE_TYPE_QUARTZ) {
michael@0 38 cairo_quartz_surface_t *quartz_surf = (cairo_quartz_surface_t *) pat_surf;
michael@0 39 if (quartz_surf->cgLayer) {
michael@0 40 state->imageRect = CGRectMake (0, 0, quartz_surf->extents.width, quartz_surf->extents.height);
michael@0 41 state->layer = quartz_surf->cgLayer;
michael@0 42 state->action = DO_LAYER;
michael@0 43 return;
michael@0 44 }
michael@0 45 }
michael@0 46 @@ -1510,17 +1510,17 @@ _cairo_quartz_setup_surface_source (cair
michael@0 47 /* XXXroc what is this for? */
michael@0 48 CGContextSetRGBFillColor (surface->cgContext, 0, 0, 0, 1);
michael@0 49
michael@0 50 state->image = img;
michael@0 51
michael@0 52 is_bounded = _cairo_surface_get_extents (pat_surf, &extents);
michael@0 53 assert (is_bounded);
michael@0 54
michael@0 55 - if (source->extend == CAIRO_EXTEND_NONE) {
michael@0 56 + if (!repeat) {
michael@0 57 state->imageRect = CGRectMake (0, 0, extents.width, extents.height);
michael@0 58 state->action = DO_IMAGE;
michael@0 59 return;
michael@0 60 }
michael@0 61
michael@0 62 /* Quartz seems to tile images at pixel-aligned regions only -- this
michael@0 63 * leads to seams if the image doesn't end up scaling to fill the
michael@0 64 * space exactly. The CGPattern tiling approach doesn't have this

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