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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 PRINTING_METAFILE_H_ | 5 #ifndef PRINTING_METAFILE_H_ |
6 #define PRINTING_METAFILE_H_ | 6 #define PRINTING_METAFILE_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "build/build_config.h" | 9 #include "build/build_config.h" |
10 #include "ui/gfx/native_widget_types.h" | 10 #include "ui/gfx/native_widget_types.h" |
11 | 11 |
12 #if defined(OS_WIN) | 12 #if defined(OS_WIN) |
13 #include <windows.h> | 13 #include <windows.h> |
14 #elif defined(OS_MACOSX) | 14 #elif defined(OS_MACOSX) |
15 #include <ApplicationServices/ApplicationServices.h> | 15 #include <ApplicationServices/ApplicationServices.h> |
16 #include <CoreFoundation/CoreFoundation.h> | 16 #include <CoreFoundation/CoreFoundation.h> |
17 #include "base/mac/scoped_cftyperef.h" | 17 #include "base/mac/scoped_cftyperef.h" |
18 #endif | 18 #endif |
19 | 19 |
20 class FilePath; | 20 class FilePath; |
21 | 21 |
22 namespace gfx { | 22 namespace gfx { |
23 class Point; | 23 class Point; |
24 class Rect; | 24 class Rect; |
25 class Size; | 25 class Size; |
26 } | 26 } |
27 | 27 |
28 namespace skia { | 28 class SkDevice; |
29 class PlatformDevice; | |
30 } | |
31 | 29 |
32 #if defined(OS_CHROMEOS) | 30 #if defined(OS_CHROMEOS) |
33 namespace base { | 31 namespace base { |
34 struct FileDescriptor; | 32 struct FileDescriptor; |
35 } | 33 } |
36 #endif | 34 #endif |
37 | 35 |
38 namespace printing { | 36 namespace printing { |
39 | 37 |
40 // This class creates a graphics context that renders into a data stream | 38 // This class creates a graphics context that renders into a data stream |
41 // (usually PDF or EMF). | 39 // (usually PDF or EMF). |
42 class Metafile { | 40 class Metafile { |
43 public: | 41 public: |
44 virtual ~Metafile() {} | 42 virtual ~Metafile() {} |
45 | 43 |
46 // Initializes a fresh new metafile for rendering. Returns false on failure. | 44 // Initializes a fresh new metafile for rendering. Returns false on failure. |
47 // Note: It should only be called from within the renderer process to allocate | 45 // Note: It should only be called from within the renderer process to allocate |
48 // rendering resources. | 46 // rendering resources. |
49 virtual bool Init() = 0; | 47 virtual bool Init() = 0; |
50 | 48 |
51 // Initializes the metafile with the data in |src_buffer|. Returns true | 49 // Initializes the metafile with the data in |src_buffer|. Returns true |
52 // on success. | 50 // on success. |
53 // Note: It should only be called from within the browser process. | 51 // Note: It should only be called from within the browser process. |
54 virtual bool InitFromData(const void* src_buffer, uint32 src_buffer_size) = 0; | 52 virtual bool InitFromData(const void* src_buffer, uint32 src_buffer_size) = 0; |
55 | 53 |
56 // This method calls StartPage and then returns an appropriate | 54 // This method calls StartPage and then returns an appropriate |
57 // VectorPlatformDevice implementation bound to the context created by | 55 // VectorPlatformDevice implementation bound to the context created by |
58 // StartPage or NULL on error. | 56 // StartPage or NULL on error. |
59 virtual skia::PlatformDevice* StartPageForVectorCanvas( | 57 virtual SkDevice* StartPageForVectorCanvas( |
60 const gfx::Size& page_size, | 58 const gfx::Size& page_size, |
61 const gfx::Rect& content_area, | 59 const gfx::Rect& content_area, |
62 const float& scale_factor) = 0; | 60 const float& scale_factor) = 0; |
63 | 61 |
64 // Prepares a context for rendering a new page with the given |page_size|, | 62 // Prepares a context for rendering a new page with the given |page_size|, |
65 // |content_area| and a |scale_factor| to use for the drawing. The units are | 63 // |content_area| and a |scale_factor| to use for the drawing. The units are |
66 // in points (=1/72 in). Returns true on success. | 64 // in points (=1/72 in). Returns true on success. |
67 virtual bool StartPage(const gfx::Size& page_size, | 65 virtual bool StartPage(const gfx::Size& page_size, |
68 const gfx::Rect& content_area, | 66 const gfx::Rect& content_area, |
69 const float& scale_factor) = 0; | 67 const float& scale_factor) = 0; |
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143 // Saves the underlying data to the file associated with fd. This function | 141 // Saves the underlying data to the file associated with fd. This function |
144 // should ONLY be called after the metafile is closed. | 142 // should ONLY be called after the metafile is closed. |
145 // Returns true if writing succeeded. | 143 // Returns true if writing succeeded. |
146 virtual bool SaveToFD(const base::FileDescriptor& fd) const = 0; | 144 virtual bool SaveToFD(const base::FileDescriptor& fd) const = 0; |
147 #endif // if defined(OS_CHROMEOS) | 145 #endif // if defined(OS_CHROMEOS) |
148 }; | 146 }; |
149 | 147 |
150 } // namespace printing | 148 } // namespace printing |
151 | 149 |
152 #endif // PRINTING_METAFILE_H_ | 150 #endif // PRINTING_METAFILE_H_ |
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