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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2012 Google Inc. | 3 * Copyright 2012 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 SkFlattenableBuffers_DEFINED | 9 #ifndef SkFlattenableBuffers_DEFINED |
10 #define SkFlattenableBuffers_DEFINED | 10 #define SkFlattenableBuffers_DEFINED |
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92 | 92 |
93 // common data structures | 93 // common data structures |
94 virtual void readPoint(SkPoint* point) = 0; | 94 virtual void readPoint(SkPoint* point) = 0; |
95 virtual void readMatrix(SkMatrix* matrix) = 0; | 95 virtual void readMatrix(SkMatrix* matrix) = 0; |
96 virtual void readIRect(SkIRect* rect) = 0; | 96 virtual void readIRect(SkIRect* rect) = 0; |
97 virtual void readRect(SkRect* rect) = 0; | 97 virtual void readRect(SkRect* rect) = 0; |
98 virtual void readRegion(SkRegion* region) = 0; | 98 virtual void readRegion(SkRegion* region) = 0; |
99 virtual void readPath(SkPath* path) = 0; | 99 virtual void readPath(SkPath* path) = 0; |
100 | 100 |
101 // binary data and arrays | 101 // binary data and arrays |
102 virtual uint32_t readByteArray(void* value) = 0; | 102 |
103 virtual uint32_t readColorArray(SkColor* colors) = 0; | 103 /** |
104 virtual uint32_t readIntArray(int32_t* values) = 0; | 104 * In the following read.*Array(...) functions, the size parameter specifie s |
105 virtual uint32_t readPointArray(SkPoint* points) = 0; | 105 * the allocation size (in bytes) of the pointer parameter. |
reed1
2013/10/24 16:10:33
// What does the return value indicate? What is th
sugoi1
2013/10/24 19:40:04
Done.
| |
106 virtual uint32_t readScalarArray(SkScalar* values) = 0; | 106 */ |
107 virtual uint32_t readByteArray(void* value, uint32_t size) = 0; | |
108 virtual uint32_t readColorArray(SkColor* colors, uint32_t size) = 0; | |
109 virtual uint32_t readIntArray(int32_t* values, uint32_t size) = 0; | |
110 virtual uint32_t readPointArray(SkPoint* points, uint32_t size) = 0; | |
111 virtual uint32_t readScalarArray(SkScalar* values, uint32_t size) = 0; | |
107 | 112 |
108 /** This helper peeks into the buffer and reports back the length of the nex t array in | 113 /** This helper peeks into the buffer and reports back the length of the nex t array in |
109 * the buffer but does not change the state of the buffer. | 114 * the buffer but does not change the state of the buffer. |
110 */ | 115 */ |
111 virtual uint32_t getArrayCount() = 0; | 116 virtual uint32_t getArrayCount() = 0; |
112 | 117 |
113 // helper functions | 118 // helper functions |
114 virtual void* readFunctionPtr(); | 119 virtual void* readFunctionPtr(); |
115 virtual void readPaint(SkPaint* paint); | 120 virtual void readPaint(SkPaint* paint); |
116 | 121 |
117 virtual void readBitmap(SkBitmap* bitmap) = 0; | 122 virtual void readBitmap(SkBitmap* bitmap) = 0; |
118 virtual SkTypeface* readTypeface() = 0; | 123 virtual SkTypeface* readTypeface() = 0; |
119 | 124 |
120 // helper function for classes with const SkPoint members | 125 // helper function for classes with const SkPoint members |
121 SkPoint readPoint() { | 126 SkPoint readPoint() { |
122 SkPoint point; | 127 SkPoint point; |
123 this->readPoint(&point); | 128 this->readPoint(&point); |
124 return point; | 129 return point; |
125 } | 130 } |
126 | 131 |
127 SkData* readByteArrayAsData() { | 132 SkData* readByteArrayAsData() { |
128 size_t len = this->getArrayCount(); | 133 size_t len = this->getArrayCount(); |
129 void* buffer = sk_malloc_throw(len); | 134 void* buffer = sk_malloc_throw(len); |
130 (void)this->readByteArray(buffer); | 135 (void)this->readByteArray(buffer, len); |
131 return SkData::NewFromMalloc(buffer, len); | 136 return SkData::NewFromMalloc(buffer, len); |
132 } | 137 } |
133 | 138 |
134 virtual void validate(bool isValid) {} | 139 virtual void validate(bool isValid) {} |
135 | 140 |
136 private: | 141 private: |
137 template <typename T> T* readFlattenableT(); | 142 template <typename T> T* readFlattenableT(); |
138 uint32_t fFlags; | 143 uint32_t fFlags; |
139 }; | 144 }; |
140 | 145 |
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211 } | 216 } |
212 | 217 |
213 protected: | 218 protected: |
214 // A helper function so that each subclass does not have to be a friend of S kFlattenable | 219 // A helper function so that each subclass does not have to be a friend of S kFlattenable |
215 void flattenObject(const SkFlattenable* obj, SkFlattenableWriteBuffer& buffe r); | 220 void flattenObject(const SkFlattenable* obj, SkFlattenableWriteBuffer& buffe r); |
216 | 221 |
217 uint32_t fFlags; | 222 uint32_t fFlags; |
218 }; | 223 }; |
219 | 224 |
220 #endif | 225 #endif |
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