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1 // Copyright (c) 2006-2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2009 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_VECTOR_CANVAS_H_ | 5 #ifndef SKIA_EXT_VECTOR_CANVAS_H_ |
6 #define SKIA_EXT_VECTOR_CANVAS_H_ | 6 #define SKIA_EXT_VECTOR_CANVAS_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include "skia/ext/platform_canvas.h" | 9 #include "skia/ext/platform_canvas.h" |
10 #include "skia/ext/vector_platform_device.h" | |
11 | |
12 #if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) | |
13 typedef struct _cairo cairo_t; | |
14 #endif | |
15 | 10 |
16 namespace skia { | 11 namespace skia { |
17 | 12 |
| 13 class PlatformDevice; |
| 14 |
18 // This class is a specialization of the regular PlatformCanvas. It is designed | 15 // This class is a specialization of the regular PlatformCanvas. It is designed |
19 // to work with a VectorDevice to manage platform-specific drawing. It allows | 16 // to work with a VectorDevice to manage platform-specific drawing. It allows |
20 // using both Skia operations and platform-specific operations. It *doesn't* | 17 // using both Skia operations and platform-specific operations. It *doesn't* |
21 // support reading back from the bitmap backstore since it is not used. | 18 // support reading back from the bitmap backstore since it is not used. |
22 class SK_API VectorCanvas : public PlatformCanvas { | 19 class SK_API VectorCanvas : public PlatformCanvas { |
23 public: | 20 public: |
24 VectorCanvas(); | 21 // Ownership of |device| is transfered to VectorCanvas. |
25 explicit VectorCanvas(SkDeviceFactory* factory); | 22 explicit VectorCanvas(PlatformDevice* device); |
26 #if defined(WIN32) | |
27 VectorCanvas(HDC dc, int width, int height); | |
28 #elif defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) | |
29 // Caller owns |context|. Ownership is not transferred. | |
30 VectorCanvas(cairo_t* context, int width, int height); | |
31 #endif | |
32 virtual ~VectorCanvas(); | 23 virtual ~VectorCanvas(); |
33 | 24 |
34 // For two-part init, call if you use the no-argument constructor above | |
35 #if defined(WIN32) | |
36 bool initialize(HDC context, int width, int height); | |
37 #elif defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) | |
38 // Ownership of |context| is not transferred. | |
39 bool initialize(cairo_t* context, int width, int height); | |
40 #endif | |
41 | |
42 virtual SkBounder* setBounder(SkBounder* bounder); | 25 virtual SkBounder* setBounder(SkBounder* bounder); |
43 virtual SkDrawFilter* setDrawFilter(SkDrawFilter* filter); | 26 virtual SkDrawFilter* setDrawFilter(SkDrawFilter* filter); |
44 | 27 |
45 private: | 28 private: |
46 // Returns true if the top device is vector based and not bitmap based. | 29 // Returns true if the top device is vector based and not bitmap based. |
47 bool IsTopDeviceVectorial() const; | 30 bool IsTopDeviceVectorial() const; |
48 | 31 |
49 // Copy & assign are not supported. | 32 // Copy & assign are not supported. |
50 VectorCanvas(const VectorCanvas&); | 33 VectorCanvas(const VectorCanvas&); |
51 const VectorCanvas& operator=(const VectorCanvas&); | 34 const VectorCanvas& operator=(const VectorCanvas&); |
52 }; | 35 }; |
53 | 36 |
54 } // namespace skia | 37 } // namespace skia |
55 | 38 |
56 #endif // SKIA_EXT_VECTOR_CANVAS_H_ | 39 #endif // SKIA_EXT_VECTOR_CANVAS_H_ |
57 | 40 |
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