4cb543d605
Some upcoming work (support for expanding crop rects) requires the clip bounds to be available during filter traversal. This change replaces the SkMatrix parameter in the onFilterImage() traversals with a Context parameter. It contains the CTM, as well as the clip bounds. BUG=skia: R=reed@google.com Review URL: https://codereview.chromium.org/189913021 git-svn-id: http://skia.googlecode.com/svn/trunk@13803 2bbb7eff-a529-9590-31e7-b0007b416f81
47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
/*
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* Copyright 2012 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 SkBitmapSource_DEFINED
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#define SkBitmapSource_DEFINED
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#include "SkImageFilter.h"
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#include "SkBitmap.h"
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class SK_API SkBitmapSource : public SkImageFilter {
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public:
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static SkBitmapSource* Create(const SkBitmap& bitmap) {
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return SkNEW_ARGS(SkBitmapSource, (bitmap));
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}
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static SkBitmapSource* Create(const SkBitmap& bitmap, const SkRect& srcRect,
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const SkRect& dstRect) {
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return SkNEW_ARGS(SkBitmapSource, (bitmap, srcRect, dstRect));
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}
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virtual void computeFastBounds(const SkRect& src, SkRect* dst) const SK_OVERRIDE;
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SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBitmapSource)
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protected:
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explicit SkBitmapSource(SkReadBuffer& buffer);
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virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
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virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&,
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SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE;
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virtual bool onFilterBounds(const SkIRect& src, const SkMatrix& ctm, SkIRect* dst) const SK_OVERRIDE;
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#ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS
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public:
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#endif
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explicit SkBitmapSource(const SkBitmap& bitmap);
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SkBitmapSource(const SkBitmap& bitmap, const SkRect& srcRect, const SkRect& dstRect);
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private:
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SkBitmap fBitmap;
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SkRect fSrcRect, fDstRect;
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typedef SkImageFilter INHERITED;
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};
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#endif
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