3 * Copyright 2012 Google Inc.
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
9 #ifndef SkSweepGradient_DEFINED
10 #define SkSweepGradient_DEFINED
12 #include "SkGradientShaderPriv.h"
14 class SkSweepGradient : public SkGradientShaderBase {
16 SkSweepGradient(SkScalar cx, SkScalar cy, const Descriptor&,
17 const SkMatrix* localMatrix);
19 virtual size_t contextSize() const SK_OVERRIDE;
21 class SweepGradientContext : public SkGradientShaderBase::GradientShaderBaseContext {
23 SweepGradientContext(const SkSweepGradient& shader, const ContextRec&);
25 virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVERRIDE;
26 virtual void shadeSpan16(int x, int y, uint16_t dstC[], int count) SK_OVERRIDE;
29 typedef SkGradientShaderBase::GradientShaderBaseContext INHERITED;
32 virtual BitmapType asABitmap(SkBitmap* bitmap,
34 TileMode* xy) const SK_OVERRIDE;
36 virtual GradientType asAGradient(GradientInfo* info) const SK_OVERRIDE;
38 virtual GrEffectRef* asNewEffect(GrContext* context, const SkPaint&) const SK_OVERRIDE;
40 SK_TO_STRING_OVERRIDE()
41 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkSweepGradient)
44 SkSweepGradient(SkReadBuffer& buffer);
45 virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE;
46 virtual Context* onCreateContext(const ContextRec&, void* storage) const SK_OVERRIDE;
49 const SkPoint fCenter;
51 typedef SkGradientShaderBase INHERITED;