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

Issue 51033004: add SK_ATTR_DEPRECATED -- will need to disable for chrome, since it triggers a warning (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 7 years, 1 month ago
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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 SkBitmap_DEFINED 10 #ifndef SkBitmap_DEFINED
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89 89
90 /** Return true iff the bitmap has empty dimensions. 90 /** Return true iff the bitmap has empty dimensions.
91 */ 91 */
92 bool empty() const { return 0 == fWidth || 0 == fHeight; } 92 bool empty() const { return 0 == fWidth || 0 == fHeight; }
93 93
94 /** Return true iff the bitmap has no pixelref. Note: this can return true e ven if the 94 /** Return true iff the bitmap has no pixelref. Note: this can return true e ven if the
95 dimensions of the bitmap are > 0 (see empty()). 95 dimensions of the bitmap are > 0 (see empty()).
96 */ 96 */
97 bool isNull() const { return NULL == fPixelRef; } 97 bool isNull() const { return NULL == fPixelRef; }
98 98
99 /** Return the config for the bitmap. 99 /** Return the config for the bitmap. */
100 */
101 Config config() const { return (Config)fConfig; } 100 Config config() const { return (Config)fConfig; }
102 /** DEPRECATED, use config() 101
103 */ 102 SK_ATTR_DEPRECATED("use config()")
104 Config getConfig() const { return this->config(); } 103 Config getConfig() const { return this->config(); }
105 /** Return the bitmap's width, in pixels. 104
106 */ 105 /** Return the bitmap's width, in pixels. */
107 int width() const { return fWidth; } 106 int width() const { return fWidth; }
108 /** Return the bitmap's height, in pixels. 107
109 */ 108 /** Return the bitmap's height, in pixels. */
110 int height() const { return fHeight; } 109 int height() const { return fHeight; }
111 /** Return the number of bytes between subsequent rows of the bitmap. 110
112 */ 111 /** Return the number of bytes between subsequent rows of the bitmap. */
113 size_t rowBytes() const { return fRowBytes; } 112 size_t rowBytes() const { return fRowBytes; }
114 113
115 /** Return the shift amount per pixel (i.e. 0 for 1-byte per pixel, 1 for 114 /** Return the shift amount per pixel (i.e. 0 for 1-byte per pixel, 1 for
116 2-bytes per pixel configs, 2 for 4-bytes per pixel configs). Return 0 115 2-bytes per pixel configs, 2 for 4-bytes per pixel configs). Return 0
117 for configs that are not at least 1-byte per pixel (e.g. kA1_Config 116 for configs that are not at least 1-byte per pixel (e.g. kA1_Config
118 or kNo_Config) 117 or kNo_Config)
119 */ 118 */
120 int shiftPerPixel() const { return fBytesPerPixel >> 1; } 119 int shiftPerPixel() const { return fBytesPerPixel >> 1; }
121 120
122 /** Return the number of bytes per pixel based on the config. If the config 121 /** Return the number of bytes per pixel based on the config. If the config
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182 that share the same pixelref. 181 that share the same pixelref.
183 */ 182 */
184 void setImmutable(); 183 void setImmutable();
185 184
186 /** Returns true if the bitmap is opaque (has no translucent/transparent pix els). 185 /** Returns true if the bitmap is opaque (has no translucent/transparent pix els).
187 */ 186 */
188 bool isOpaque() const { 187 bool isOpaque() const {
189 return SkAlphaTypeIsOpaque(this->alphaType()); 188 return SkAlphaTypeIsOpaque(this->alphaType());
190 } 189 }
191 190
192 /** 191 SK_ATTR_DEPRECATED("use setAlphaType")
193 * DEPRECATED: use setAlpahType() instead.
194 */
195 void setIsOpaque(bool opaque) { 192 void setIsOpaque(bool opaque) {
196 this->setAlphaType(opaque ? kOpaque_SkAlphaType : kPremul_SkAlphaType); 193 this->setAlphaType(opaque ? kOpaque_SkAlphaType : kPremul_SkAlphaType);
197 } 194 }
198 195
199 /** Returns true if the bitmap is volatile (i.e. should not be cached by dev ices.) 196 /** Returns true if the bitmap is volatile (i.e. should not be cached by dev ices.)
200 */ 197 */
201 bool isVolatile() const; 198 bool isVolatile() const;
202 199
203 /** Specify whether this bitmap is volatile. Bitmaps are not volatile by 200 /** Specify whether this bitmap is volatile. Bitmaps are not volatile by
204 default. Temporary bitmaps that are discarded after use should be 201 default. Temporary bitmaps that are discarded after use should be
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412 } 409 }
413 410
414 /** 411 /**
415 * Fill the entire bitmap with the specified color. 412 * Fill the entire bitmap with the specified color.
416 * If the bitmap's config does not support alpha (e.g. 565) then the alpha 413 * If the bitmap's config does not support alpha (e.g. 565) then the alpha
417 * of the color is ignored (treated as opaque). If the config only supports 414 * of the color is ignored (treated as opaque). If the config only supports
418 * alpha (e.g. A1 or A8) then the color's r,g,b components are ignored. 415 * alpha (e.g. A1 or A8) then the color's r,g,b components are ignored.
419 */ 416 */
420 void eraseARGB(U8CPU a, U8CPU r, U8CPU g, U8CPU b) const; 417 void eraseARGB(U8CPU a, U8CPU r, U8CPU g, U8CPU b) const;
421 418
422 // DEPRECATED -- call eraseColor or eraseARGB 419 SK_ATTR_DEPRECATED("use eraseARGB or eraseColor")
423 void eraseRGB(U8CPU r, U8CPU g, U8CPU b) const { 420 void eraseRGB(U8CPU r, U8CPU g, U8CPU b) const {
424 this->eraseARGB(0xFF, r, g, b); 421 this->eraseARGB(0xFF, r, g, b);
425 } 422 }
426 423
427 /** 424 /**
428 * Fill the specified area of this bitmap with the specified color. 425 * Fill the specified area of this bitmap with the specified color.
429 * If the bitmap's config does not support alpha (e.g. 565) then the alpha 426 * If the bitmap's config does not support alpha (e.g. 565) then the alpha
430 * of the color is ignored (treated as opaque). If the config only supports 427 * of the color is ignored (treated as opaque). If the config only supports
431 * alpha (e.g. A1 or A8) then the color's r,g,b components are ignored. 428 * alpha (e.g. A1 or A8) then the color's r,g,b components are ignored.
432 */ 429 */
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546 * gpu (typically as a texture), the it will do the same for the dst. 543 * gpu (typically as a texture), the it will do the same for the dst.
547 * If the request cannot be fulfilled, returns false and dst is unmodified. 544 * If the request cannot be fulfilled, returns false and dst is unmodified.
548 */ 545 */
549 bool deepCopyTo(SkBitmap* dst, Config c) const; 546 bool deepCopyTo(SkBitmap* dst, Config c) const;
550 547
551 /** Returns true if this bitmap can be deep copied into the requested config 548 /** Returns true if this bitmap can be deep copied into the requested config
552 by calling copyTo(). 549 by calling copyTo().
553 */ 550 */
554 bool canCopyTo(Config newConfig) const; 551 bool canCopyTo(Config newConfig) const;
555 552
556 /** 553 SK_ATTR_DEPRECATED("use setFilterLevel on SkPaint")
557 * DEPRECATED -- will be replaced with API on SkPaint
558 */
559 void buildMipMap(bool forceRebuild = false); 554 void buildMipMap(bool forceRebuild = false);
560 555
561 #ifdef SK_BUILD_FOR_ANDROID 556 #ifdef SK_BUILD_FOR_ANDROID
562 bool hasHardwareMipMap() const { 557 bool hasHardwareMipMap() const {
563 return (fFlags & kHasHardwareMipMap_Flag) != 0; 558 return (fFlags & kHasHardwareMipMap_Flag) != 0;
564 } 559 }
565 560
566 void setHasHardwareMipMap(bool hasHardwareMipMap) { 561 void setHasHardwareMipMap(bool hasHardwareMipMap) {
567 if (hasHardwareMipMap) { 562 if (hasHardwareMipMap) {
568 fFlags |= kHasHardwareMipMap_Flag; 563 fFlags |= kHasHardwareMipMap_Flag;
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826 821
827 // returns the address of the byte that contains the x coordinate 822 // returns the address of the byte that contains the x coordinate
828 inline uint8_t* SkBitmap::getAddr1(int x, int y) const { 823 inline uint8_t* SkBitmap::getAddr1(int x, int y) const {
829 SkASSERT(fPixels); 824 SkASSERT(fPixels);
830 SkASSERT(fConfig == kA1_Config); 825 SkASSERT(fConfig == kA1_Config);
831 SkASSERT((unsigned)x < fWidth && (unsigned)y < fHeight); 826 SkASSERT((unsigned)x < fWidth && (unsigned)y < fHeight);
832 return (uint8_t*)fPixels + y * fRowBytes + (x >> 3); 827 return (uint8_t*)fPixels + y * fRowBytes + (x >> 3);
833 } 828 }
834 829
835 #endif 830 #endif
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