e5e79840ef
Change filterBounds(), onFilterBounds() and onFilterNodeBounds() and computeFastBounds() to return the destination rectangle. There was no code path that could return false, and returning rects by value is ok now. BUG=skia:5094 GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1823573003 Review URL: https://codereview.chromium.org/1823573003
70 lines
2.4 KiB
C++
70 lines
2.4 KiB
C++
/*
|
|
* Copyright 2013 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#ifndef SkDisplacementMapEffect_DEFINED
|
|
#define SkDisplacementMapEffect_DEFINED
|
|
|
|
#include "SkImageFilter.h"
|
|
#include "SkBitmap.h"
|
|
|
|
class SK_API SkDisplacementMapEffect : public SkImageFilter {
|
|
public:
|
|
enum ChannelSelectorType {
|
|
kUnknown_ChannelSelectorType,
|
|
kR_ChannelSelectorType,
|
|
kG_ChannelSelectorType,
|
|
kB_ChannelSelectorType,
|
|
kA_ChannelSelectorType
|
|
};
|
|
|
|
~SkDisplacementMapEffect();
|
|
|
|
static SkImageFilter* Create(ChannelSelectorType xChannelSelector,
|
|
ChannelSelectorType yChannelSelector,
|
|
SkScalar scale, SkImageFilter* displacement,
|
|
SkImageFilter* color = NULL,
|
|
const CropRect* cropRect = NULL);
|
|
|
|
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDisplacementMapEffect)
|
|
|
|
bool onFilterImageDeprecated(Proxy* proxy,
|
|
const SkBitmap& src,
|
|
const Context& ctx,
|
|
SkBitmap* dst,
|
|
SkIPoint* offset) const override;
|
|
SkRect computeFastBounds(const SkRect& src) const override;
|
|
|
|
virtual SkIRect onFilterBounds(const SkIRect& src, const SkMatrix&,
|
|
MapDirection) const override;
|
|
SkIRect onFilterNodeBounds(const SkIRect&, const SkMatrix&, MapDirection) const override;
|
|
|
|
#if SK_SUPPORT_GPU
|
|
bool canFilterImageGPU() const override { return true; }
|
|
bool filterImageGPUDeprecated(Proxy* proxy, const SkBitmap& src, const Context& ctx,
|
|
SkBitmap* result, SkIPoint* offset) const override;
|
|
#endif
|
|
|
|
SK_TO_STRING_OVERRIDE()
|
|
|
|
protected:
|
|
SkDisplacementMapEffect(ChannelSelectorType xChannelSelector,
|
|
ChannelSelectorType yChannelSelector,
|
|
SkScalar scale, SkImageFilter* inputs[2],
|
|
const CropRect* cropRect);
|
|
void flatten(SkWriteBuffer&) const override;
|
|
|
|
private:
|
|
ChannelSelectorType fXChannelSelector;
|
|
ChannelSelectorType fYChannelSelector;
|
|
SkScalar fScale;
|
|
typedef SkImageFilter INHERITED;
|
|
const SkImageFilter* getDisplacementInput() const { return getInput(0); }
|
|
const SkImageFilter* getColorInput() const { return getInput(1); }
|
|
};
|
|
|
|
#endif
|