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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 #ifndef SKIA_EXT_PLATFORM_CANVAS_MAC_H_ | 5 #ifndef SKIA_EXT_PLATFORM_CANVAS_MAC_H_ |
| 6 #define SKIA_EXT_PLATFORM_CANVAS_MAC_H_ | 6 #define SKIA_EXT_PLATFORM_CANVAS_MAC_H_ |
| 7 | 7 |
| 8 #include "skia/ext/platform_device_mac.h" | 8 #include "skia/ext/platform_device_mac.h" |
| 9 | 9 |
| 10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
| 11 | 11 |
| 12 namespace skia { | 12 namespace skia { |
| 13 | 13 |
| 14 // This class is a specialization of the regular SkCanvas that is designed to | 14 // This class is a specialization of the regular SkCanvas that is designed to |
| 15 // work with a gfx::PlatformDevice to manage platform-specific drawing. It | 15 // work with a gfx::PlatformDevice to manage platform-specific drawing. It |
| 16 // allows using both Skia operations and platform-specific operations. | 16 // allows using both Skia operations and platform-specific operations. |
| 17 class PlatformCanvasMac : public SkCanvas { | 17 class PlatformCanvasMac : public SkCanvas { |
| 18 public: | 18 public: |
| 19 // Set is_opaque if you are going to erase the bitmap and not use | 19 // Set is_opaque if you are going to erase the bitmap and not use |
| 20 // tranparency: this will enable some optimizations. The shared_section | 20 // tranparency: this will enable some optimizations. The shared_section |
| 21 // parameter is passed to gfx::PlatformDevice::create. See it for details. | 21 // parameter is passed to gfx::PlatformDevice::create. See it for details. |
| 22 // | 22 // |
| 23 // If you use the version with no arguments, you MUST call initialize() | 23 // If you use the version with no arguments, you MUST call initialize() |
| 24 PlatformCanvasMac(); | 24 PlatformCanvasMac(); |
| 25 PlatformCanvasMac(int width, int height, bool is_opaque); | 25 PlatformCanvasMac(int width, int height, bool is_opaque); |
| 26 PlatformCanvasMac(int width, int height, bool is_opaque, CGContextRef context)
; | 26 PlatformCanvasMac(int width, int height, bool is_opaque, |
| 27 CGContextRef context); |
| 27 virtual ~PlatformCanvasMac(); | 28 virtual ~PlatformCanvasMac(); |
| 28 | 29 |
| 29 // For two-part init, call if you use the no-argument constructor above | 30 // For two-part init, call if you use the no-argument constructor above |
| 30 bool initialize(int width, int height, bool is_opaque); | 31 bool initialize(int width, int height, bool is_opaque); |
| 31 | 32 |
| 32 // These calls should surround calls to platform drawing routines. The CG | 33 // These calls should surround calls to platform drawing routines. The CG |
| 33 // context returned by beginPlatformPaint is the one that can be used to | 34 // context returned by beginPlatformPaint is the one that can be used to |
| 34 // draw into. | 35 // draw into. |
| 35 // Call endPlatformPaint when you are done and want to use Skia operations | 36 // Call endPlatformPaint when you are done and want to use Skia operations |
| 36 // again; this will synchronize the bitmap. | 37 // again; this will synchronize the bitmap. |
| (...skipping 41 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 78 SkDevice* setBitmapDevice(const SkBitmap& bitmap); | 79 SkDevice* setBitmapDevice(const SkBitmap& bitmap); |
| 79 | 80 |
| 80 // Disallow copy and assign. | 81 // Disallow copy and assign. |
| 81 PlatformCanvasMac(const PlatformCanvasMac&); | 82 PlatformCanvasMac(const PlatformCanvasMac&); |
| 82 PlatformCanvasMac& operator=(const PlatformCanvasMac&); | 83 PlatformCanvasMac& operator=(const PlatformCanvasMac&); |
| 83 }; | 84 }; |
| 84 | 85 |
| 85 } // namespace skia | 86 } // namespace skia |
| 86 | 87 |
| 87 #endif // SKIA_EXT_PLATFORM_CANVAS_MAC_H_ | 88 #endif // SKIA_EXT_PLATFORM_CANVAS_MAC_H_ |
| 88 | |
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