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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2006 The Android Open Source Project | 3 * Copyright 2006 The Android Open Source Project |
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 | 9 |
10 #ifndef SkMask_DEFINED | 10 #ifndef SkMask_DEFINED |
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91 * this asserts that the mask's format is kLCD32_Format, and that (x,y) | 91 * this asserts that the mask's format is kLCD32_Format, and that (x,y) |
92 * are contained in the mask's fBounds. | 92 * are contained in the mask's fBounds. |
93 */ | 93 */ |
94 uint32_t* getAddrLCD32(int x, int y) const { | 94 uint32_t* getAddrLCD32(int x, int y) const { |
95 SkASSERT(kLCD32_Format == fFormat); | 95 SkASSERT(kLCD32_Format == fFormat); |
96 SkASSERT(fBounds.contains(x, y)); | 96 SkASSERT(fBounds.contains(x, y)); |
97 SkASSERT(fImage != NULL); | 97 SkASSERT(fImage != NULL); |
98 uint32_t* row = (uint32_t*)(fImage + (y - fBounds.fTop) * fRowBytes); | 98 uint32_t* row = (uint32_t*)(fImage + (y - fBounds.fTop) * fRowBytes); |
99 return row + (x - fBounds.fLeft); | 99 return row + (x - fBounds.fLeft); |
100 } | 100 } |
101 | 101 |
| 102 /** |
| 103 * Return the address of the specified 32bit mask. In the debug build, |
| 104 * this asserts that the mask's format is 32bits, and that (x,y) |
| 105 * are contained in the mask's fBounds. |
| 106 */ |
| 107 uint32_t* getAddr32(int x, int y) const { |
| 108 SkASSERT(kLCD32_Format == fFormat || kARGB32_Format == fFormat); |
| 109 SkASSERT(fBounds.contains(x, y)); |
| 110 SkASSERT(fImage != NULL); |
| 111 uint32_t* row = (uint32_t*)(fImage + (y - fBounds.fTop) * fRowBytes); |
| 112 return row + (x - fBounds.fLeft); |
| 113 } |
| 114 |
102 /** | 115 /** |
103 * Returns the address of the specified pixel, computing the pixel-size | 116 * Returns the address of the specified pixel, computing the pixel-size |
104 * at runtime based on the mask format. This will be slightly slower than | 117 * at runtime based on the mask format. This will be slightly slower than |
105 * using one of the routines where the format is implied by the name | 118 * using one of the routines where the format is implied by the name |
106 * e.g. getAddr8 or getAddrLCD32. | 119 * e.g. getAddr8 or getAddrLCD32. |
107 * | 120 * |
108 * x,y must be contained by the mask's bounds (this is asserted in the | 121 * x,y must be contained by the mask's bounds (this is asserted in the |
109 * debug build, but not checked in the release build.) | 122 * debug build, but not checked in the release build.) |
110 * | 123 * |
111 * This should not be called with kBW_Format, as it will give unspecified | 124 * This should not be called with kBW_Format, as it will give unspecified |
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139 | 152 |
140 ~SkAutoMaskFreeImage() { | 153 ~SkAutoMaskFreeImage() { |
141 SkMask::FreeImage(fImage); | 154 SkMask::FreeImage(fImage); |
142 } | 155 } |
143 | 156 |
144 private: | 157 private: |
145 uint8_t* fImage; | 158 uint8_t* fImage; |
146 }; | 159 }; |
147 | 160 |
148 #endif | 161 #endif |
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