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1 /* | 1 /* |
2 * Copyright 2006 The Android Open Source Project | 2 * Copyright 2006 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 SkBitmap_DEFINED | 8 #ifndef SkBitmap_DEFINED |
9 #define SkBitmap_DEFINED | 9 #define SkBitmap_DEFINED |
10 | 10 |
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81 | 81 |
82 /////////////////////////////////////////////////////////////////////////// | 82 /////////////////////////////////////////////////////////////////////////// |
83 | 83 |
84 const SkImageInfo& info() const { return fInfo; } | 84 const SkImageInfo& info() const { return fInfo; } |
85 | 85 |
86 int width() const { return fInfo.fWidth; } | 86 int width() const { return fInfo.fWidth; } |
87 int height() const { return fInfo.fHeight; } | 87 int height() const { return fInfo.fHeight; } |
88 SkColorType colorType() const { return fInfo.fColorType; } | 88 SkColorType colorType() const { return fInfo.fColorType; } |
89 SkAlphaType alphaType() const { return fInfo.fAlphaType; } | 89 SkAlphaType alphaType() const { return fInfo.fAlphaType; } |
90 | 90 |
| 91 #ifdef SK_SUPPORT_LEGACY_ASIMAGEINFO |
| 92 bool asImageInfo(SkImageInfo* info) const { |
| 93 // compatibility: return false for kUnknown |
| 94 if (kUnknown_SkColorType == this->colorType()) { |
| 95 return false; |
| 96 } |
| 97 if (info) { |
| 98 *info = this->info(); |
| 99 } |
| 100 return true; |
| 101 } |
| 102 #endif |
| 103 |
91 /** Return the number of bytes per pixel based on the config. If the config | 104 /** Return the number of bytes per pixel based on the config. If the config |
92 does not have at least 1 byte per (e.g. kA1_Config) then 0 is returned. | 105 does not have at least 1 byte per (e.g. kA1_Config) then 0 is returned. |
93 */ | 106 */ |
94 int bytesPerPixel() const { return fInfo.bytesPerPixel(); } | 107 int bytesPerPixel() const { return fInfo.bytesPerPixel(); } |
95 | 108 |
96 /** Return the rowbytes expressed as a number of pixels (like width and | 109 /** Return the rowbytes expressed as a number of pixels (like width and |
97 height). Note, for 1-byte per pixel configs like kA8_Config, this will | 110 height). Note, for 1-byte per pixel configs like kA8_Config, this will |
98 return the same as rowBytes(). Is undefined for configs that are less | 111 return the same as rowBytes(). Is undefined for configs that are less |
99 than 1-byte per pixel (e.g. kA1_Config) | 112 than 1-byte per pixel (e.g. kA1_Config) |
100 */ | 113 */ |
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317 return this->installPixels(info, pixels, rowBytes, NULL, NULL); | 330 return this->installPixels(info, pixels, rowBytes, NULL, NULL); |
318 } | 331 } |
319 | 332 |
320 /** | 333 /** |
321 * Calls installPixels() with the value in the SkMask. The caller must | 334 * Calls installPixels() with the value in the SkMask. The caller must |
322 * ensure that the specified mask pixels are valid for the lifetime | 335 * ensure that the specified mask pixels are valid for the lifetime |
323 * of the created bitmap (and its pixelRef). | 336 * of the created bitmap (and its pixelRef). |
324 */ | 337 */ |
325 bool installMaskPixels(const SkMask&); | 338 bool installMaskPixels(const SkMask&); |
326 | 339 |
327 /** | |
328 * DEPRECATED: call info(). | |
329 */ | |
330 bool asImageInfo(SkImageInfo* info) const { | |
331 // compatibility: return false for kUnknown | |
332 if (kUnknown_SkColorType == this->colorType()) { | |
333 return false; | |
334 } | |
335 if (info) { | |
336 *info = this->info(); | |
337 } | |
338 return true; | |
339 } | |
340 | |
341 /** Use this to assign a new pixel address for an existing bitmap. This | 340 /** Use this to assign a new pixel address for an existing bitmap. This |
342 will automatically release any pixelref previously installed. Only call | 341 will automatically release any pixelref previously installed. Only call |
343 this if you are handling ownership/lifetime of the pixel memory. | 342 this if you are handling ownership/lifetime of the pixel memory. |
344 | 343 |
345 If the bitmap retains a reference to the colortable (assuming it is | 344 If the bitmap retains a reference to the colortable (assuming it is |
346 not null) it will take care of incrementing the reference count. | 345 not null) it will take care of incrementing the reference count. |
347 | 346 |
348 @param pixels Address for the pixels, managed by the caller. | 347 @param pixels Address for the pixels, managed by the caller. |
349 @param ctable ColorTable (or null) that matches the specified pixels | 348 @param ctable ColorTable (or null) that matches the specified pixels |
350 */ | 349 */ |
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900 } | 899 } |
901 | 900 |
902 /////////////////////////////////////////////////////////////////////////////// | 901 /////////////////////////////////////////////////////////////////////////////// |
903 // | 902 // |
904 // Helpers until we can fully deprecate SkBitmap::Config | 903 // Helpers until we can fully deprecate SkBitmap::Config |
905 // | 904 // |
906 extern SkBitmap::Config SkColorTypeToBitmapConfig(SkColorType); | 905 extern SkBitmap::Config SkColorTypeToBitmapConfig(SkColorType); |
907 extern SkColorType SkBitmapConfigToColorType(SkBitmap::Config); | 906 extern SkColorType SkBitmapConfigToColorType(SkBitmap::Config); |
908 | 907 |
909 #endif | 908 #endif |
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