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Side by Side Diff: include/core/SkImageFilter.h

Issue 1217573002: remove SkInstCnt (Closed) Base URL: https://skia.googlesource.com/skia@master
Patch Set: Created 5 years, 5 months ago
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1 /* 1 /*
2 * Copyright 2011 Google Inc. 2 * Copyright 2011 Google Inc.
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 SkImageFilter_DEFINED 8 #ifndef SkImageFilter_DEFINED
9 #define SkImageFilter_DEFINED 9 #define SkImageFilter_DEFINED
10 10
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24 24
25 /** 25 /**
26 * Base class for image filters. If one is installed in the paint, then 26 * Base class for image filters. If one is installed in the paint, then
27 * all drawing occurs as usual, but it is as if the drawing happened into an 27 * all drawing occurs as usual, but it is as if the drawing happened into an
28 * offscreen (before the xfermode is applied). This offscreen bitmap will 28 * offscreen (before the xfermode is applied). This offscreen bitmap will
29 * then be handed to the imagefilter, who in turn creates a new bitmap which 29 * then be handed to the imagefilter, who in turn creates a new bitmap which
30 * is what will finally be drawn to the device (using the original xfermode). 30 * is what will finally be drawn to the device (using the original xfermode).
31 */ 31 */
32 class SK_API SkImageFilter : public SkFlattenable { 32 class SK_API SkImageFilter : public SkFlattenable {
33 public: 33 public:
34 SK_DECLARE_INST_COUNT(SkImageFilter)
35
36 class CropRect { 34 class CropRect {
37 public: 35 public:
38 enum CropEdge { 36 enum CropEdge {
39 kHasLeft_CropEdge = 0x01, 37 kHasLeft_CropEdge = 0x01,
40 kHasTop_CropEdge = 0x02, 38 kHasTop_CropEdge = 0x02,
41 kHasRight_CropEdge = 0x04, 39 kHasRight_CropEdge = 0x04,
42 kHasBottom_CropEdge = 0x08, 40 kHasBottom_CropEdge = 0x08,
43 kHasAll_CropEdge = 0x0F, 41 kHasAll_CropEdge = 0x0F,
44 }; 42 };
45 CropRect() {} 43 CropRect() {}
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77 Cache* cache() const { return fCache; } 75 Cache* cache() const { return fCache; }
78 private: 76 private:
79 SkMatrix fCTM; 77 SkMatrix fCTM;
80 SkIRect fClipBounds; 78 SkIRect fClipBounds;
81 Cache* fCache; 79 Cache* fCache;
82 }; 80 };
83 81
84 class Proxy { 82 class Proxy {
85 public: 83 public:
86 Proxy(SkBaseDevice* device) : fDevice(device) { } 84 Proxy(SkBaseDevice* device) : fDevice(device) { }
87 85
88 SkBaseDevice* createDevice(int width, int height); 86 SkBaseDevice* createDevice(int width, int height);
89 87
90 // Returns true if the proxy handled the filter itself. If this returns 88 // Returns true if the proxy handled the filter itself. If this returns
91 // false then the filter's code will be called. 89 // false then the filter's code will be called.
92 bool filterImage(const SkImageFilter*, const SkBitmap& src, const SkImag eFilter::Context&, 90 bool filterImage(const SkImageFilter*, const SkBitmap& src, const SkImag eFilter::Context&,
93 SkBitmap* result, SkIPoint* offset); 91 SkBitmap* result, SkIPoint* offset);
94 92
95 private: 93 private:
96 SkBaseDevice* fDevice; 94 SkBaseDevice* fDevice;
97 }; 95 };
98 96
99 97
100 /** 98 /**
101 * Request a new (result) image to be created from the src image. 99 * Request a new (result) image to be created from the src image.
102 * If the src has no pixels (isNull()) then the request just wants to 100 * If the src has no pixels (isNull()) then the request just wants to
103 * receive the config and width/height of the result. 101 * receive the config and width/height of the result.
104 * 102 *
105 * The matrix is the current matrix on the canvas. 103 * The matrix is the current matrix on the canvas.
106 * 104 *
107 * Offset is the amount to translate the resulting image relative to the 105 * Offset is the amount to translate the resulting image relative to the
108 * src when it is drawn. This is an out-param. 106 * src when it is drawn. This is an out-param.
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367 */ 365 */
368 #define SK_IMAGEFILTER_UNFLATTEN_COMMON(localVar, expectedCount) \ 366 #define SK_IMAGEFILTER_UNFLATTEN_COMMON(localVar, expectedCount) \
369 Common localVar; \ 367 Common localVar; \
370 do { \ 368 do { \
371 if (!localVar.unflatten(buffer, expectedCount)) { \ 369 if (!localVar.unflatten(buffer, expectedCount)) { \
372 return NULL; \ 370 return NULL; \
373 } \ 371 } \
374 } while (0) 372 } while (0)
375 373
376 #endif 374 #endif
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