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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
12 #include "base/macros.h" | 12 #include "base/macros.h" |
13 #include "build/build_config.h" | 13 #include "build/build_config.h" |
14 #include "printing/printing_export.h" | 14 #include "printing/printing_export.h" |
15 #include "ui/gfx/native_widget_types.h" | 15 #include "skia/ext/native_drawing_context.h" |
16 | 16 |
17 #if defined(OS_WIN) | 17 #if defined(OS_WIN) |
18 #include <windows.h> | 18 #include <windows.h> |
19 #elif defined(OS_MACOSX) | 19 #elif defined(OS_MACOSX) |
20 #include <ApplicationServices/ApplicationServices.h> | 20 #include <ApplicationServices/ApplicationServices.h> |
21 #include <CoreFoundation/CoreFoundation.h> | 21 #include <CoreFoundation/CoreFoundation.h> |
22 #include "base/mac/scoped_cftyperef.h" | 22 #include "base/mac/scoped_cftyperef.h" |
23 #endif | 23 #endif |
24 | 24 |
25 namespace base { | 25 namespace base { |
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67 }; | 67 }; |
68 #endif // defined(OS_MACOSX) | 68 #endif // defined(OS_MACOSX) |
69 MetafilePlayer(); | 69 MetafilePlayer(); |
70 virtual ~MetafilePlayer(); | 70 virtual ~MetafilePlayer(); |
71 | 71 |
72 #if defined(OS_WIN) | 72 #if defined(OS_WIN) |
73 // The slow version of Playback(). It enumerates all the records and play them | 73 // The slow version of Playback(). It enumerates all the records and play them |
74 // back in the HDC. The trick is that it skip over the records known to have | 74 // back in the HDC. The trick is that it skip over the records known to have |
75 // issue with some printers. See Emf::Record::SafePlayback implementation for | 75 // issue with some printers. See Emf::Record::SafePlayback implementation for |
76 // details. | 76 // details. |
77 virtual bool SafePlayback(gfx::NativeDrawingContext hdc) const = 0; | 77 virtual bool SafePlayback(skia::NativeDrawingContext hdc) const = 0; |
78 | 78 |
79 #elif defined(OS_MACOSX) | 79 #elif defined(OS_MACOSX) |
80 // Renders the given page into |rect| in the given context. | 80 // Renders the given page into |rect| in the given context. |
81 // Pages use a 1-based index. The rendering uses the arguments in | 81 // Pages use a 1-based index. The rendering uses the arguments in |
82 // |params| to determine scaling, translation, and rotation. | 82 // |params| to determine scaling, translation, and rotation. |
83 virtual bool RenderPage(unsigned int page_number, | 83 virtual bool RenderPage(unsigned int page_number, |
84 gfx::NativeDrawingContext context, | 84 skia::NativeDrawingContext context, |
85 const CGRect rect, | 85 const CGRect rect, |
86 const MacRenderPageParams& params) const = 0; | 86 const MacRenderPageParams& params) const = 0; |
87 #endif // if defined(OS_WIN) | 87 #endif // if defined(OS_WIN) |
88 | 88 |
89 // Populates the buffer with the underlying data. This function should ONLY be | 89 // Populates the buffer with the underlying data. This function should ONLY be |
90 // called after the metafile is closed. Returns true if writing succeeded. | 90 // called after the metafile is closed. Returns true if writing succeeded. |
91 virtual bool GetDataAsVector(std::vector<char>* buffer) const = 0; | 91 virtual bool GetDataAsVector(std::vector<char>* buffer) const = 0; |
92 | 92 |
93 // Saves the underlying data to the given file. This function should ONLY be | 93 // Saves the underlying data to the given file. This function should ONLY be |
94 // called after the metafile is closed. Returns true if writing succeeded. | 94 // called after the metafile is closed. Returns true if writing succeeded. |
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137 virtual uint32_t GetDataSize() const = 0; | 137 virtual uint32_t GetDataSize() const = 0; |
138 | 138 |
139 // Copies the first |dst_buffer_size| bytes of the underlying data stream into | 139 // Copies the first |dst_buffer_size| bytes of the underlying data stream into |
140 // |dst_buffer|. This function should ONLY be called after Close() is invoked. | 140 // |dst_buffer|. This function should ONLY be called after Close() is invoked. |
141 // Returns true if the copy succeeds. | 141 // Returns true if the copy succeeds. |
142 virtual bool GetData(void* dst_buffer, uint32_t dst_buffer_size) const = 0; | 142 virtual bool GetData(void* dst_buffer, uint32_t dst_buffer_size) const = 0; |
143 | 143 |
144 virtual gfx::Rect GetPageBounds(unsigned int page_number) const = 0; | 144 virtual gfx::Rect GetPageBounds(unsigned int page_number) const = 0; |
145 virtual unsigned int GetPageCount() const = 0; | 145 virtual unsigned int GetPageCount() const = 0; |
146 | 146 |
147 virtual gfx::NativeDrawingContext context() const = 0; | 147 virtual skia::NativeDrawingContext context() const = 0; |
148 | 148 |
149 #if defined(OS_WIN) | 149 #if defined(OS_WIN) |
150 // "Plays" the EMF buffer in a HDC. It is the same effect as calling the | 150 // "Plays" the EMF buffer in a HDC. It is the same effect as calling the |
151 // original GDI function that were called when recording the EMF. |rect| is in | 151 // original GDI function that were called when recording the EMF. |rect| is in |
152 // "logical units" and is optional. If |rect| is NULL, the natural EMF bounds | 152 // "logical units" and is optional. If |rect| is NULL, the natural EMF bounds |
153 // are used. | 153 // are used. |
154 // Note: Windows has been known to have stack buffer overflow in its GDI | 154 // Note: Windows has been known to have stack buffer overflow in its GDI |
155 // functions, whether used directly or indirectly through precompiled EMF | 155 // functions, whether used directly or indirectly through precompiled EMF |
156 // data. We have to accept the risk here. Since it is used only for printing, | 156 // data. We have to accept the risk here. Since it is used only for printing, |
157 // it requires user intervention. | 157 // it requires user intervention. |
158 virtual bool Playback(gfx::NativeDrawingContext hdc, | 158 virtual bool Playback(skia::NativeDrawingContext hdc, |
159 const RECT* rect) const = 0; | 159 const RECT* rect) const = 0; |
160 #endif // OS_WIN | 160 #endif // OS_WIN |
161 | 161 |
162 // MetfilePlayer | 162 // MetfilePlayer |
163 bool GetDataAsVector(std::vector<char>* buffer) const override; | 163 bool GetDataAsVector(std::vector<char>* buffer) const override; |
164 bool SaveTo(base::File* file) const override; | 164 bool SaveTo(base::File* file) const override; |
165 | 165 |
166 private: | 166 private: |
167 DISALLOW_COPY_AND_ASSIGN(Metafile); | 167 DISALLOW_COPY_AND_ASSIGN(Metafile); |
168 }; | 168 }; |
169 | 169 |
170 } // namespace printing | 170 } // namespace printing |
171 | 171 |
172 #endif // PRINTING_METAFILE_H_ | 172 #endif // PRINTING_METAFILE_H_ |
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