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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "skia/ext/bitmap_platform_device_mac.h" | 5 #include "skia/ext/bitmap_platform_device_mac.h" |
| 6 | 6 |
| 7 #include <time.h> | 7 #include <time.h> |
| 8 | 8 |
| 9 #include "base/mac_util.h" | 9 #include "base/mac/mac_util.h" |
| 10 #include "base/ref_counted.h" | 10 #include "base/ref_counted.h" |
| 11 #include "skia/ext/bitmap_platform_device_data.h" | 11 #include "skia/ext/bitmap_platform_device_data.h" |
| 12 #include "skia/ext/skia_utils_mac.h" | 12 #include "skia/ext/skia_utils_mac.h" |
| 13 #include "third_party/skia/include/core/SkMatrix.h" | 13 #include "third_party/skia/include/core/SkMatrix.h" |
| 14 #include "third_party/skia/include/core/SkRegion.h" | 14 #include "third_party/skia/include/core/SkRegion.h" |
| 15 #include "third_party/skia/include/core/SkTypes.h" | 15 #include "third_party/skia/include/core/SkTypes.h" |
| 16 #include "third_party/skia/include/core/SkUtils.h" | 16 #include "third_party/skia/include/core/SkUtils.h" |
| 17 | 17 |
| 18 namespace skia { | 18 namespace skia { |
| 19 | 19 |
| 20 namespace { | 20 namespace { |
| 21 | 21 |
| 22 static CGContextRef CGContextForData(void* data, int width, int height) { | 22 static CGContextRef CGContextForData(void* data, int width, int height) { |
| 23 #define HAS_ARGB_SHIFTS(a, r, g, b) \ | 23 #define HAS_ARGB_SHIFTS(a, r, g, b) \ |
| 24 (SK_A32_SHIFT == (a) && SK_R32_SHIFT == (r) \ | 24 (SK_A32_SHIFT == (a) && SK_R32_SHIFT == (r) \ |
| 25 && SK_G32_SHIFT == (g) && SK_B32_SHIFT == (b)) | 25 && SK_G32_SHIFT == (g) && SK_B32_SHIFT == (b)) |
| 26 #if defined(SK_CPU_LENDIAN) && HAS_ARGB_SHIFTS(24, 16, 8, 0) | 26 #if defined(SK_CPU_LENDIAN) && HAS_ARGB_SHIFTS(24, 16, 8, 0) |
| 27 // Allocate a bitmap context with 4 components per pixel (BGRA). Apple | 27 // Allocate a bitmap context with 4 components per pixel (BGRA). Apple |
| 28 // recommends these flags for improved CG performance. | 28 // recommends these flags for improved CG performance. |
| 29 CGContextRef context = | 29 CGContextRef context = |
| 30 CGBitmapContextCreate(data, width, height, 8, width * 4, | 30 CGBitmapContextCreate(data, width, height, 8, width * 4, |
| 31 mac_util::GetSystemColorSpace(), | 31 base::mac::GetSystemColorSpace(), |
| 32 kCGImageAlphaPremultipliedFirst | | 32 kCGImageAlphaPremultipliedFirst | |
| 33 kCGBitmapByteOrder32Host); | 33 kCGBitmapByteOrder32Host); |
| 34 #else | 34 #else |
| 35 #error We require that Skia's and CoreGraphics's recommended \ | 35 #error We require that Skia's and CoreGraphics's recommended \ |
| 36 image memory layout match. | 36 image memory layout match. |
| 37 #endif | 37 #endif |
| 38 #undef HAS_ARGB_SHIFTS | 38 #undef HAS_ARGB_SHIFTS |
| 39 | 39 |
| 40 if (!context) | 40 if (!context) |
| 41 return NULL; | 41 return NULL; |
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| 254 SkAutoLockPixels lock(bitmap); | 254 SkAutoLockPixels lock(bitmap); |
| 255 uint32_t* data = bitmap.getAddr32(0, 0); | 255 uint32_t* data = bitmap.getAddr32(0, 0); |
| 256 return static_cast<SkColor>(data[x + y * width()]); | 256 return static_cast<SkColor>(data[x + y * width()]); |
| 257 } | 257 } |
| 258 | 258 |
| 259 void BitmapPlatformDevice::onAccessBitmap(SkBitmap*) { | 259 void BitmapPlatformDevice::onAccessBitmap(SkBitmap*) { |
| 260 // Not needed in CoreGraphics | 260 // Not needed in CoreGraphics |
| 261 } | 261 } |
| 262 | 262 |
| 263 } // namespace skia | 263 } // namespace skia |
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