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| 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 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/skia_utils_mac.h" | 5 #include "skia/ext/skia_utils_mac.h" |
| 6 | 6 |
| 7 #import <AppKit/AppKit.h> | 7 #import <AppKit/AppKit.h> |
| 8 | 8 |
| 9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 #include "base/scoped_cftyperef.h" | 10 #include "base/mac/scoped_cftyperef.h" |
| 11 #include "base/scoped_ptr.h" | 11 #include "base/scoped_ptr.h" |
| 12 #include "skia/ext/bitmap_platform_device_mac.h" | 12 #include "skia/ext/bitmap_platform_device_mac.h" |
| 13 #include "third_party/skia/include/utils/mac/SkCGUtils.h" | 13 #include "third_party/skia/include/utils/mac/SkCGUtils.h" |
| 14 | 14 |
| 15 namespace gfx { | 15 namespace gfx { |
| 16 | 16 |
| 17 CGAffineTransform SkMatrixToCGAffineTransform(const SkMatrix& matrix) { | 17 CGAffineTransform SkMatrixToCGAffineTransform(const SkMatrix& matrix) { |
| 18 // CGAffineTransforms don't support perspective transforms, so make sure | 18 // CGAffineTransforms don't support perspective transforms, so make sure |
| 19 // we don't get those. | 19 // we don't get those. |
| 20 DCHECK(matrix[SkMatrix::kMPersp0] == 0.0f); | 20 DCHECK(matrix[SkMatrix::kMPersp0] == 0.0f); |
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| 116 } | 116 } |
| 117 | 117 |
| 118 SkBitmap NSImageToSkBitmap(NSImage* image, NSSize size, bool is_opaque) { | 118 SkBitmap NSImageToSkBitmap(NSImage* image, NSSize size, bool is_opaque) { |
| 119 SkBitmap bitmap; | 119 SkBitmap bitmap; |
| 120 bitmap.setConfig(SkBitmap::kARGB_8888_Config, size.width, size.height); | 120 bitmap.setConfig(SkBitmap::kARGB_8888_Config, size.width, size.height); |
| 121 if (bitmap.allocPixels() != true) | 121 if (bitmap.allocPixels() != true) |
| 122 return bitmap; // Return |bitmap| which should respond true to isNull(). | 122 return bitmap; // Return |bitmap| which should respond true to isNull(). |
| 123 | 123 |
| 124 bitmap.setIsOpaque(is_opaque); | 124 bitmap.setIsOpaque(is_opaque); |
| 125 | 125 |
| 126 scoped_cftyperef<CGColorSpaceRef> color_space( | 126 base::mac::ScopedCFTypeRef<CGColorSpaceRef> color_space( |
| 127 CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB)); | 127 CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB)); |
| 128 void* data = bitmap.getPixels(); | 128 void* data = bitmap.getPixels(); |
| 129 | 129 |
| 130 // Allocate a bitmap context with 4 components per pixel (BGRA). Apple | 130 // Allocate a bitmap context with 4 components per pixel (BGRA). Apple |
| 131 // recommends these flags for improved CG performance. | 131 // recommends these flags for improved CG performance. |
| 132 #define HAS_ARGB_SHIFTS(a, r, g, b) \ | 132 #define HAS_ARGB_SHIFTS(a, r, g, b) \ |
| 133 (SK_A32_SHIFT == (a) && SK_R32_SHIFT == (r) \ | 133 (SK_A32_SHIFT == (a) && SK_R32_SHIFT == (r) \ |
| 134 && SK_G32_SHIFT == (g) && SK_B32_SHIFT == (b)) | 134 && SK_G32_SHIFT == (g) && SK_B32_SHIFT == (b)) |
| 135 #if defined(SK_CPU_LENDIAN) && HAS_ARGB_SHIFTS(24, 16, 8, 0) | 135 #if defined(SK_CPU_LENDIAN) && HAS_ARGB_SHIFTS(24, 16, 8, 0) |
| 136 scoped_cftyperef<CGContextRef> context( | 136 base::mac::ScopedCFTypeRef<CGContextRef> context( |
| 137 CGBitmapContextCreate(data, size.width, size.height, 8, size.width*4, | 137 CGBitmapContextCreate(data, size.width, size.height, 8, size.width*4, |
| 138 color_space, | 138 color_space, |
| 139 kCGImageAlphaPremultipliedFirst | | 139 kCGImageAlphaPremultipliedFirst | |
| 140 kCGBitmapByteOrder32Host)); | 140 kCGBitmapByteOrder32Host)); |
| 141 #else | 141 #else |
| 142 #error We require that Skia's and CoreGraphics's recommended \ | 142 #error We require that Skia's and CoreGraphics's recommended \ |
| 143 image memory layout match. | 143 image memory layout match. |
| 144 #endif | 144 #endif |
| 145 #undef HAS_ARGB_SHIFTS | 145 #undef HAS_ARGB_SHIFTS |
| 146 | 146 |
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| 183 [image setSize:NSMakeSize(skiaBitmap.width(), skiaBitmap.height())]; | 183 [image setSize:NSMakeSize(skiaBitmap.width(), skiaBitmap.height())]; |
| 184 return image; | 184 return image; |
| 185 } | 185 } |
| 186 | 186 |
| 187 SkBitmap AppplicationIconAtSize(int size) { | 187 SkBitmap AppplicationIconAtSize(int size) { |
| 188 NSImage* image = [NSImage imageNamed:@"NSApplicationIcon"]; | 188 NSImage* image = [NSImage imageNamed:@"NSApplicationIcon"]; |
| 189 return NSImageToSkBitmap(image, NSMakeSize(size, size), /* is_opaque=*/true); | 189 return NSImageToSkBitmap(image, NSMakeSize(size, size), /* is_opaque=*/true); |
| 190 } | 190 } |
| 191 | 191 |
| 192 } // namespace gfx | 192 } // namespace gfx |
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