/*
|
* Copyright 2015 Google Inc.
|
*
|
* Use of this source code is governed by a BSD-style license that can be
|
* found in the LICENSE file.
|
*/
|
|
#ifndef SkXfermodeInterpretation_DEFINED
|
#define SkXfermodeInterpretation_DEFINED
|
|
class SkPaint;
|
|
/**
|
* By analyzing the paint, we may decide we can take special
|
* action. This enum lists our possible actions.
|
*/
|
enum SkXfermodeInterpretation {
|
kNormal_SkXfermodeInterpretation, //< draw normally
|
kSrcOver_SkXfermodeInterpretation, //< draw as if in srcover mode
|
kSkipDrawing_SkXfermodeInterpretation //< draw nothing
|
};
|
|
/**
|
* Given a paint, determine whether the paint's transfer mode can be
|
* replaced with kSrcOver_Mode or not drawn at all. This is used by
|
* SkBlitter and SkPDFDevice.
|
*/
|
SkXfermodeInterpretation SkInterpretXfermode(const SkPaint&, bool dstIsOpaque);
|
|
#endif // SkXfermodeInterpretation_DEFINED
|
