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Side by Side Diff: printing/native_metafile.h

Issue 6708046: Revert 78812 - Unfork VectorPlatformCanvas. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 9 years, 9 months ago
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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_NATIVE_METAFILE_H_ 5 #ifndef PRINTING_NATIVE_METAFILE_H_
6 #define PRINTING_NATIVE_METAFILE_H_ 6 #define PRINTING_NATIVE_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 #include <vector> 14 #include <vector>
15 #elif defined(OS_MACOSX) 15 #elif defined(OS_MACOSX)
16 #include <ApplicationServices/ApplicationServices.h> 16 #include <ApplicationServices/ApplicationServices.h>
17 #include <CoreFoundation/CoreFoundation.h> 17 #include <CoreFoundation/CoreFoundation.h>
18 #include "base/mac/scoped_cftyperef.h" 18 #include "base/mac/scoped_cftyperef.h"
19 #endif 19 #endif
20 20
21 class FilePath; 21 class FilePath;
22 22
23 namespace gfx { 23 namespace gfx {
24 class Point; 24 class Point;
25 class Rect; 25 class Rect;
26 class Size; 26 class Size;
27 } 27 }
28 28
29 namespace skia {
30 class PlatformDevice;
31 }
32
33 #if defined(OS_CHROMEOS) 29 #if defined(OS_CHROMEOS)
34 namespace base { 30 namespace base {
35 class FileDescriptor; 31 class FileDescriptor;
36 } 32 }
37 #endif 33 #endif
38 34
39 namespace printing { 35 namespace printing {
40 36
41 // This class creates a graphics context that renders into a data stream 37 // This class creates a graphics context that renders into a data stream
42 // (usually PDF or EMF). 38 // (usually PDF or EMF).
43 class NativeMetafile { 39 class NativeMetafile {
44 public: 40 public:
45 virtual ~NativeMetafile() {} 41 virtual ~NativeMetafile() {}
46 42
47 // Initializes a fresh new metafile for rendering. Returns false on failure. 43 // Initializes a fresh new metafile for rendering. Returns false on failure.
48 // Note: It should only be called from within the renderer process to allocate 44 // Note: It should only be called from within the renderer process to allocate
49 // rendering resources. 45 // rendering resources.
50 virtual bool Init() = 0; 46 virtual bool Init() = 0;
51 47
52 // Initializes the metafile with the data in |src_buffer|. Returns true 48 // Initializes the metafile with the data in |src_buffer|. Returns true
53 // on success. 49 // on success.
54 // Note: It should only be called from within the browser process. 50 // Note: It should only be called from within the browser process.
55 virtual bool InitFromData(const void* src_buffer, uint32 src_buffer_size) = 0; 51 virtual bool InitFromData(const void* src_buffer, uint32 src_buffer_size) = 0;
56 52
57 // This method calls StartPage and then returns an appropriate
58 // VectorPlatformDevice implementation bound to the context created by
59 // StartPage or NULL on error.
60 virtual skia::PlatformDevice* StartPageForVectorCanvas(
61 const gfx::Size& page_size, const gfx::Point& content_origin,
62 const float& scale_factor) = 0;
63
64 // Prepares a context for rendering a new page at the specified 53 // Prepares a context for rendering a new page at the specified
65 // |content_origin| with the given |page_size| and a |scale_factor| to use for 54 // |content_origin| with the given |page_size| and a |scale_factor| to use for
66 // the drawing. The units are in points (=1/72 in). Returns true on success. 55 // the drawing. The units are in points (=1/72 in). Returns true on success.
67 virtual bool StartPage(const gfx::Size& page_size, 56 virtual bool StartPage(const gfx::Size& page_size,
68 const gfx::Point& content_origin, 57 const gfx::Point& content_origin,
69 const float& scale_factor) = 0; 58 const float& scale_factor) = 0;
70 59
71 // Closes the current page and destroys the context used in rendering that 60 // Closes the current page and destroys the context used in rendering that
72 // page. The results of current page will be appended into the underlying 61 // page. The results of current page will be appended into the underlying
73 // data stream. Returns true on success. 62 // data stream. Returns true on success.
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177 // Returns true if writing succeeded. 166 // Returns true if writing succeeded.
178 virtual bool SaveToFD(const base::FileDescriptor& fd) const = 0; 167 virtual bool SaveToFD(const base::FileDescriptor& fd) const = 0;
179 #endif // if defined(OS_CHROMEOS) 168 #endif // if defined(OS_CHROMEOS)
180 169
181 #endif 170 #endif
182 }; 171 };
183 172
184 } // namespace printing 173 } // namespace printing
185 174
186 #endif // PRINTING_NATIVE_METAFILE_H_ 175 #endif // PRINTING_NATIVE_METAFILE_H_
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