include/effects/SkBicubicImageFilter.h - Issue 189913021: Implement support for a Context parameter in image filters

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Side by Side Diff: include/effects/SkBicubicImageFilter.h

Issue 189913021: Implement support for a Context parameter in image filters (Closed) Base URL: https://skia.googlecode.com/svn/trunk

Patch Set: Revert all but the Context changes. Created 6 years, 9 months ago

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1 /*	1 /*

2 * Copyright 2013 The Android Open Source Project	2 * Copyright 2013 The Android Open Source Project

3 *	3 *

4 * Use of this source code is governed by a BSD-style license that can be	4 * Use of this source code is governed by a BSD-style license that can be

5 * found in the LICENSE file.	5 * found in the LICENSE file.

6 */	6 */

7	7

8 #ifndef SkBicubicImageFilter_DEFINED	8 #ifndef SkBicubicImageFilter_DEFINED

9 #define SkBicubicImageFilter_DEFINED	9 #define SkBicubicImageFilter_DEFINED

10	10

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31 @param scale How much to scale the image.	31 @param scale How much to scale the image.

32 @param coefficients The 16 coefficients of the bicubic matrix.	32 @param coefficients The 16 coefficients of the bicubic matrix.

33 @param input The input image filter. If NULL, the src bitmap	33 @param input The input image filter. If NULL, the src bitmap

34 passed to filterImage() is used instead.	34 passed to filterImage() is used instead.

35 */	35 */

36 SkBicubicImageFilter(const SkSize& scale, const SkScalar coefficients[16],	36 SkBicubicImageFilter(const SkSize& scale, const SkScalar coefficients[16],

37 SkImageFilter* input = NULL);	37 SkImageFilter* input = NULL);

38 SkBicubicImageFilter(SkReadBuffer& buffer);	38 SkBicubicImageFilter(SkReadBuffer& buffer);

39 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;	39 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;

40	40

41 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&,	41 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&,

42 SkBitmap* result, SkIPoint* loc) const SK_OVERRID E;	42 SkBitmap* result, SkIPoint* loc) const SK_OVERRID E;

43	43

44 #if SK_SUPPORT_GPU	44 #if SK_SUPPORT_GPU

45 virtual bool canFilterImageGPU() const SK_OVERRIDE { return true; }	45 virtual bool canFilterImageGPU() const SK_OVERRIDE { return true; }

46 virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const SkMatri x& ctm,	46 virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context & ctx,

47 SkBitmap* result, SkIPoint* offset) const SK_OVE RRIDE;	47 SkBitmap* result, SkIPoint* offset) const SK_OVE RRIDE;

48 #endif	48 #endif

49	49

50 private:	50 private:

51 SkSize fScale;	51 SkSize fScale;

52 SkScalar fCoefficients[16];	52 SkScalar fCoefficients[16];

53 typedef SkImageFilter INHERITED;	53 typedef SkImageFilter INHERITED;

54 };	54 };

55	55

56 #endif	56 #endif

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