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47 lines
1.3 KiB
Diff
47 lines
1.3 KiB
Diff
Fix single and multi-stop solid gradients by multiplying by the alpha component. r=roc
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This cairo commit that caused the problem: 2d790daa957471670f4ae0d3b22da89e4ee7111f.
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It was merged into mozilla-central with 1effb72d30cf
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diff --git a/gfx/cairo/cairo/src/cairo-pattern.c b/gfx/cairo/cairo/src/cairo-pattern.c
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--- a/gfx/cairo/cairo/src/cairo-pattern.c
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+++ b/gfx/cairo/cairo/src/cairo-pattern.c
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@@ -2262,8 +2262,17 @@ _cairo_pattern_acquire_surface (const ca
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if (src->n_stops)
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{
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+ cairo_color_t color;
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+
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+ /* multiply by alpha */
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+ _cairo_color_init_rgba (&color,
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+ src->stops->color.red,
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+ src->stops->color.green,
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+ src->stops->color.blue,
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+ src->stops->color.alpha);
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+
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_cairo_pattern_init_solid (&solid,
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- &src->stops->color,
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+ &color,
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CAIRO_CONTENT_COLOR_ALPHA);
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}
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else
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@@ -2295,9 +2304,17 @@ _cairo_pattern_acquire_surface (const ca
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}
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if (i == src->n_stops) {
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cairo_solid_pattern_t solid;
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+ cairo_color_t color;
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+
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+ /* multiply by alpha */
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+ _cairo_color_init_rgba (&color,
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+ src->stops->color.red,
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+ src->stops->color.green,
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+ src->stops->color.blue,
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+ src->stops->color.alpha);
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_cairo_pattern_init_solid (&solid,
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- &src->stops->color,
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+ &color,
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CAIRO_CONTENT_COLOR_ALPHA);
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status =
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