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&);
18 virtual size_t contextSize() const SK_OVERRIDE;
20 class SweepGradientContext : public SkGradientShaderBase::GradientShaderBaseContext {
22 SweepGradientContext(const SkSweepGradient& shader, const ContextRec&);
24 virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVERRIDE;
25 virtual void shadeSpan16(int x, int y, uint16_t dstC[], int count) SK_OVERRIDE;
28 typedef SkGradientShaderBase::GradientShaderBaseContext INHERITED;
31 virtual BitmapType asABitmap(SkBitmap* bitmap,
33 TileMode* xy) const SK_OVERRIDE;
35 virtual GradientType asAGradient(GradientInfo* info) const SK_OVERRIDE;
37 virtual bool asFragmentProcessor(GrContext*, const SkPaint&, const SkMatrix*, GrColor*,
38 GrFragmentProcessor**) const SK_OVERRIDE;
40 SK_TO_STRING_OVERRIDE()
41 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkSweepGradient)
44 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
45 SkSweepGradient(SkReadBuffer& buffer);
47 virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE;
48 virtual Context* onCreateContext(const ContextRec&, void* storage) const SK_OVERRIDE;
51 const SkPoint fCenter;
53 friend class SkGradientShader;
54 typedef SkGradientShaderBase INHERITED;