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
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
/*
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* Copyright 2013 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 SkLerpXfermode_DEFINED
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#define SkLerpXfermode_DEFINED
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#include "SkXfermode.h"
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class SK_API SkLerpXfermode : public SkXfermode {
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public:
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/**
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* result = scale * src + (1 - scale) * dst
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*
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* When scale == 1, this is the same as kSrc_Mode
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* When scale == 0, this is the same as kDst_Mode
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*/
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static SkXfermode* Create(SkScalar scale);
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// overrides from SkXfermode
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virtual void xfer32(SkPMColor dst[], const SkPMColor src[], int count,
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const SkAlpha aa[]) const SK_OVERRIDE;
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virtual void xfer16(uint16_t dst[], const SkPMColor src[], int count,
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const SkAlpha aa[]) const SK_OVERRIDE;
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virtual void xferA8(SkAlpha dst[], const SkPMColor src[], int count,
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const SkAlpha aa[]) const SK_OVERRIDE;
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SK_DEVELOPER_TO_STRING()
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SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkLerpXfermode)
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protected:
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SkLerpXfermode(SkReadBuffer&);
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virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
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private:
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SkLerpXfermode(unsigned scale256);
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unsigned fScale256; // 0..256
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typedef SkXfermode INHERITED;
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};
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#endif
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