b83b6b4f76
https://codereview.appspot.com/7139058/ git-svn-id: http://skia.googlecode.com/svn/trunk@7308 2bbb7eff-a529-9590-31e7-b0007b416f81
39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
/*
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* Copyright 2007 The Android Open Source Project
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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 SkPixelXorXfermode_DEFINED
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#define SkPixelXorXfermode_DEFINED
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#include "SkXfermode.h"
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/** SkPixelXorXfermode implements a simple pixel xor (op ^ src ^ dst).
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This transformation does not follow premultiplied conventions, therefore
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this proc *always* returns an opaque color (alpha == 255). Thus it is
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not really usefull for operating on blended colors.
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*/
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class SK_API SkPixelXorXfermode : public SkXfermode {
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public:
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SkPixelXorXfermode(SkColor opColor) : fOpColor(opColor) {}
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SK_DEVELOPER_TO_STRING()
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SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkPixelXorXfermode)
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protected:
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SkPixelXorXfermode(SkFlattenableReadBuffer& rb);
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virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE;
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// override from SkXfermode
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virtual SkPMColor xferColor(SkPMColor src, SkPMColor dst) const;
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private:
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SkColor fOpColor;
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typedef SkXfermode INHERITED;
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};
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#endif
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