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Side by Side Diff: src/gpu/GrPathRenderer.h

Issue 147733004: Revert "SkBitmap now really stores SkImageInfo -- config is just a ruse" (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 6 years, 10 months ago
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1 1
2 /* 2 /*
3 * Copyright 2011 Google Inc. 3 * Copyright 2011 Google Inc.
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 #ifndef GrPathRenderer_DEFINED 9 #ifndef GrPathRenderer_DEFINED
10 #define GrPathRenderer_DEFINED 10 #define GrPathRenderer_DEFINED
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93 SkASSERT(fPath.isEmpty()); 93 SkASSERT(fPath.isEmpty());
94 fPath = path; 94 fPath = path;
95 fPath.setFillType(fillType); 95 fPath.setFillType(fillType);
96 } 96 }
97 97
98 void resetPath() { 98 void resetPath() {
99 fPath.reset(); 99 fPath.reset();
100 } 100 }
101 101
102 /** 102 /**
103 * Returns true if this path renderer is able to render the current path. Re turning false 103 * Returns true if this path renderer is able to render the current path. Re turning false
104 * allows the caller to fallback to another path renderer This function is c alled when 104 * allows the caller to fallback to another path renderer This function is c alled when
105 * searching for a path renderer capable of rendering a path. 105 * searching for a path renderer capable of rendering a path.
106 * 106 *
107 * @param stroke The stroke information (width, join, cap) 107 * @param stroke The stroke information (width, join, cap)
108 * @param target The target that the path will be rendered to 108 * @param target The target that the path will be rendered to
109 * @param antiAlias True if anti-aliasing is required. 109 * @param antiAlias True if anti-aliasing is required.
110 * 110 *
111 * @return true if the path can be drawn by this object, false otherwise. 111 * @return true if the path can be drawn by this object, false otherwise.
112 */ 112 */
113 virtual bool canDrawPath(const SkStrokeRec& stroke, 113 virtual bool canDrawPath(const SkStrokeRec& stroke,
114 const GrDrawTarget* target, 114 const GrDrawTarget* target,
115 bool antiAlias) const = 0; 115 bool antiAlias) const = 0;
116 /** 116 /**
117 * Draws the current path into the draw target. If getStencilSupport() would return 117 * Draws the current path into the draw target. If getStencilSupport() would return
118 * kNoRestriction then the subclass must respect the stencil settings of the 118 * kNoRestriction then the subclass must respect the stencil settings of the
119 * target's draw state. 119 * target's draw state.
120 * 120 *
121 * @param stroke the stroke information (width, join, cap) 121 * @param stroke the stroke information (width, join, cap)
122 * @param target target that the path will be rendered to 122 * @param target target that the path will be rendered to
123 * @param antiAlias true if anti-aliasing is required. 123 * @param antiAlias true if anti-aliasing is required.
124 */ 124 */
125 bool drawPath(const SkStrokeRec& stroke, 125 bool drawPath(const SkStrokeRec& stroke,
126 GrDrawTarget* target, 126 GrDrawTarget* target,
127 bool antiAlias) { 127 bool antiAlias) {
128 SkASSERT(!fPath.isEmpty()); 128 SkASSERT(!fPath.isEmpty());
129 SkASSERT(this->canDrawPath(stroke, target, antiAlias)); 129 SkASSERT(this->canDrawPath(stroke, target, antiAlias));
130 SkASSERT(target->drawState()->getStencil().isDisabled() || 130 SkASSERT(target->drawState()->getStencil().isDisabled() ||
131 kNoRestriction_StencilSupport == this->getStencilSupport(stroke , target)); 131 kNoRestriction_StencilSupport == this->getStencilSupport(stroke , target));
132 return this->onDrawPath(stroke, target, antiAlias); 132 return this->onDrawPath(stroke, target, antiAlias);
133 } 133 }
134 134
135 /** 135 /**
136 * Draws the current path to the stencil buffer. Assume the writable stencil bits are already 136 * Draws the current path to the stencil buffer. Assume the writable stencil bits are already
137 * initialized to zero. The pixels inside the path will have non-zero stenci l values 137 * initialized to zero. The pixels inside the path will have non-zero stenci l values
138 * afterwards. 138 * afterwards.
139 * 139 *
140 * @param stroke the stroke information (width, join, cap) 140 * @param stroke the stroke information (width, join, cap)
141 * @param target target that the path will be rendered to 141 * @param target target that the path will be rendered to
142 */ 142 */
143 void stencilPath(const SkStrokeRec& stroke, GrDrawTarget* target) { 143 void stencilPath(const SkStrokeRec& stroke, GrDrawTarget* target) {
144 SkASSERT(!fPath.isEmpty()); 144 SkASSERT(!fPath.isEmpty());
145 SkASSERT(kNoSupport_StencilSupport != this->getStencilSupport(stroke, ta rget)); 145 SkASSERT(kNoSupport_StencilSupport != this->getStencilSupport(stroke, ta rget));
146 this->onStencilPath(stroke, target); 146 this->onStencilPath(stroke, target);
147 } 147 }
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245 GetPathDevBounds(path, device->width(), device->height(), matrix, bounds ); 245 GetPathDevBounds(path, device->width(), device->height(), matrix, bounds );
246 } 246 }
247 247
248 private: 248 private:
249 SkPath fPath; 249 SkPath fPath;
250 250
251 typedef SkRefCnt INHERITED; 251 typedef SkRefCnt INHERITED;
252 }; 252 };
253 253
254 #endif 254 #endif
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