8b0e8ac5f5
Eliminates SkFlattenable{Read,Write}Buffer, promoting SkOrdered{Read,Write}Buffer
a step each in the hierarchy.
What used to be this:
SkFlattenableWriteBuffer -> SkOrderedWriteBuffer
SkFlattenableReadBuffer -> SkOrderedReadBuffer
SkFlattenableReadBuffer -> SkValidatingReadBuffer
is now
SkWriteBuffer
SkReadBuffer -> SkValidatingReadBuffer
Benefits:
- code is simpler, names are less wordy
- the generic SkFlattenableFooBuffer code in SkPaint was incorrect; removed
- write buffers are completely devirtualized, important for record speed
This refactoring was mostly mechanical. You aren't going to find anything
interesting in files with less than 10 lines changed.
BUG=skia:
R=reed@google.com, scroggo@google.com, djsollen@google.com, mtklein@google.com
Author: mtklein@chromium.org
Review URL: https://codereview.chromium.org/134163010
git-svn-id: http://skia.googlecode.com/svn/trunk@13245 2bbb7eff-a529-9590-31e7-b0007b416f81
44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
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/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkEmptyShader_DEFINED
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#define SkEmptyShader_DEFINED
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#include "SkShader.h"
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/**
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* \class SkEmptyShader
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* A Shader that always draws nothing. Its setContext always returns false,
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* so it never expects that its shadeSpan() methods will get called.
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*/
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class SK_API SkEmptyShader : public SkShader {
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public:
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SkEmptyShader() {}
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virtual uint32_t getFlags() SK_OVERRIDE;
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virtual uint8_t getSpan16Alpha() const SK_OVERRIDE;
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virtual bool setContext(const SkBitmap&, const SkPaint&,
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const SkMatrix&) SK_OVERRIDE;
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virtual void shadeSpan(int x, int y, SkPMColor span[], int count) SK_OVERRIDE;
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virtual void shadeSpan16(int x, int y, uint16_t span[], int count) SK_OVERRIDE;
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virtual void shadeSpanAlpha(int x, int y, uint8_t alpha[], int count) SK_OVERRIDE;
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SK_DEVELOPER_TO_STRING()
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SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkEmptyShader)
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protected:
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SkEmptyShader(SkReadBuffer& buffer) : INHERITED(buffer) {}
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private:
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typedef SkShader INHERITED;
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};
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#endif
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