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fef577d20c
--HG-- extra : rebase_source : 7b50d07ec411410c7fda7b8fba423610018fd6cc
135 lines
4.6 KiB
Diff
135 lines
4.6 KiB
Diff
# HG changeset patch
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# User Robert O'Callahan <robert@ocallahan.org>
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# Date 1249558626 -43200
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# Node ID 963b9451ad305924738d05d997a640698cd3af91
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# Parent e564f3ab4ea6e3b5dd9c4e9e6042d3a84c229dde
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Bug 508730. Clean up Quartz gradient code by moving some local variables to static const globals. r=jmuizelaar
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diff --git a/gfx/cairo/cairo/src/cairo-quartz-surface.c b/gfx/cairo/cairo/src/cairo-quartz-surface.c
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--- a/gfx/cairo/cairo/src/cairo-quartz-surface.c
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+++ b/gfx/cairo/cairo/src/cairo-quartz-surface.c
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@@ -684,51 +684,50 @@ ComputeGradientValue (void *info, const
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grad->stops[i-1].color.blue * ap +
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grad->stops[i].color.blue * bp;
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out[3] =
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grad->stops[i-1].color.alpha * ap +
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grad->stops[i].color.alpha * bp;
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}
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}
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+static const float gradient_output_value_ranges[8] = {
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+ 0.f, 1.f, 0.f, 1.f, 0.f, 1.f, 0.f, 1.f
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+};
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+static const CGFunctionCallbacks gradient_callbacks = {
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+ 0, ComputeGradientValue, (CGFunctionReleaseInfoCallback) cairo_pattern_destroy
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+};
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+
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static CGFunctionRef
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CreateGradientFunction (const cairo_gradient_pattern_t *gpat)
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{
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cairo_pattern_t *pat;
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float input_value_range[2] = { 0.f, 1.f };
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- float output_value_ranges[8] = { 0.f, 1.f, 0.f, 1.f, 0.f, 1.f, 0.f, 1.f };
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- CGFunctionCallbacks callbacks = {
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- 0, ComputeGradientValue, (CGFunctionReleaseInfoCallback) cairo_pattern_destroy
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- };
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if (_cairo_pattern_create_copy (&pat, &gpat->base))
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/* quartz doesn't deal very well with malloc failing, so there's
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* not much point in us trying either */
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return NULL;
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return CGFunctionCreate (pat,
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1,
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input_value_range,
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4,
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- output_value_ranges,
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- &callbacks);
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+ gradient_output_value_ranges,
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+ &gradient_callbacks);
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}
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static CGFunctionRef
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CreateRepeatingLinearGradientFunction (cairo_quartz_surface_t *surface,
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const cairo_gradient_pattern_t *gpat,
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CGPoint *start, CGPoint *end,
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CGAffineTransform matrix)
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{
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cairo_pattern_t *pat;
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float input_value_range[2];
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- float output_value_ranges[8] = { 0.f, 1.f, 0.f, 1.f, 0.f, 1.f, 0.f, 1.f };
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- CGFunctionCallbacks callbacks = {
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- 0, ComputeGradientValue, (CGFunctionReleaseInfoCallback) cairo_pattern_destroy
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- };
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CGPoint mstart, mend;
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double dx, dy;
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int x_rep_start = 0, x_rep_end = 0;
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int y_rep_start = 0, y_rep_end = 0;
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int rep_start, rep_end;
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@@ -787,18 +786,18 @@ CreateRepeatingLinearGradientFunction (c
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/* quartz doesn't deal very well with malloc failing, so there's
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* not much point in us trying either */
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return NULL;
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return CGFunctionCreate (pat,
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1,
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input_value_range,
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4,
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- output_value_ranges,
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- &callbacks);
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+ gradient_output_value_ranges,
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+ &gradient_callbacks);
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}
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static void
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UpdateRadialParameterToIncludePoint(double *max_t, CGPoint *center,
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double dr, double dx, double dy,
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double x, double y)
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{
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/* Compute a parameter t such that a circle centered at
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@@ -847,20 +846,16 @@ CreateRepeatingRadialGradientFunction (c
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const cairo_gradient_pattern_t *gpat,
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CGPoint *start, double *start_radius,
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CGPoint *end, double *end_radius)
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{
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CGRect clip = CGContextGetClipBoundingBox (surface->cgContext);
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CGAffineTransform transform;
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cairo_pattern_t *pat;
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float input_value_range[2];
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- float output_value_ranges[8] = { 0.f, 1.f, 0.f, 1.f, 0.f, 1.f, 0.f, 1.f };
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- CGFunctionCallbacks callbacks = {
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- 0, ComputeGradientValue, (CGFunctionReleaseInfoCallback) cairo_pattern_destroy
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- };
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CGPoint *inner;
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double *inner_radius;
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CGPoint *outer;
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double *outer_radius;
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/* minimum and maximum t-parameter values that will make our gradient
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cover the clipBox */
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double t_min, t_max, t_temp;
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/* outer minus inner */
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@@ -927,18 +922,18 @@ CreateRepeatingRadialGradientFunction (c
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/* quartz doesn't deal very well with malloc failing, so there's
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* not much point in us trying either */
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return NULL;
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return CGFunctionCreate (pat,
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1,
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input_value_range,
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4,
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- output_value_ranges,
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- &callbacks);
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+ gradient_output_value_ranges,
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+ &gradient_callbacks);
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}
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/* Obtain a CGImageRef from a #cairo_surface_t * */
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static void
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DataProviderReleaseCallback (void *info, const void *data, size_t size)
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{
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cairo_surface_t *surface = (cairo_surface_t *) info;
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