move SK_DISABLE_DITHER_32BIT_GRADIENT from SkUserConfig.h to skia.gyp, so we can...
[chromium-blink-merge.git] / printing / pdf_metafile_cg_mac.h
blob09fad5667902765774eca0b3f292749dba80244b
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
3 // found in the LICENSE file.
5 #ifndef PRINTING_PDF_METAFILE_CG_MAC_H_
6 #define PRINTING_PDF_METAFILE_CG_MAC_H_
8 #include <ApplicationServices/ApplicationServices.h>
9 #include <CoreFoundation/CoreFoundation.h>
11 #include "base/basictypes.h"
12 #include "base/gtest_prod_util.h"
13 #include "base/mac/scoped_cftyperef.h"
14 #include "base/threading/thread_checker.h"
15 #include "printing/metafile.h"
17 class FilePath;
19 namespace gfx {
20 class Rect;
21 class Size;
24 namespace printing {
26 // This class creates a graphics context that renders into a PDF data stream.
27 class PRINTING_EXPORT PdfMetafileCg : public Metafile {
28 public:
29 PdfMetafileCg();
30 virtual ~PdfMetafileCg();
32 // Metafile methods.
33 virtual bool Init() OVERRIDE;
34 virtual bool InitFromData(const void* src_buffer,
35 uint32 src_buffer_size) OVERRIDE;
37 // Not implemented on mac.
38 virtual SkDevice* StartPageForVectorCanvas(
39 const gfx::Size& page_size, const gfx::Rect& content_area,
40 const float& scale_factor) OVERRIDE;
41 virtual bool StartPage(const gfx::Size& page_size,
42 const gfx::Rect& content_area,
43 const float& scale_factor) OVERRIDE;
44 virtual bool FinishPage() OVERRIDE;
45 virtual bool FinishDocument() OVERRIDE;
47 virtual uint32 GetDataSize() const OVERRIDE;
48 virtual bool GetData(void* dst_buffer, uint32 dst_buffer_size) const OVERRIDE;
50 // For testing purposes only.
51 virtual bool SaveTo(const FilePath& file_path) const OVERRIDE;
53 virtual gfx::Rect GetPageBounds(unsigned int page_number) const OVERRIDE;
54 virtual unsigned int GetPageCount() const OVERRIDE;
56 // Note: The returned context *must not be retained* past Close(). If it is,
57 // the data returned from GetData will not be valid PDF data.
58 virtual CGContextRef context() const OVERRIDE;
60 virtual bool RenderPage(unsigned int page_number,
61 gfx::NativeDrawingContext context,
62 const CGRect rect,
63 const MacRenderPageParams& params) const OVERRIDE;
65 private:
66 // Returns a CGPDFDocumentRef version of pdf_data_.
67 CGPDFDocumentRef GetPDFDocument() const;
69 base::ThreadChecker thread_checker_;
71 // Context for rendering to the pdf.
72 base::mac::ScopedCFTypeRef<CGContextRef> context_;
74 // PDF backing store.
75 base::mac::ScopedCFTypeRef<CFMutableDataRef> pdf_data_;
77 // Lazily-created CGPDFDocument representation of pdf_data_.
78 mutable base::mac::ScopedCFTypeRef<CGPDFDocumentRef> pdf_doc_;
80 // Whether or not a page is currently open.
81 bool page_is_open_;
83 // Whether this instantiation of the PdfMetafileCg owns the thread_pdf_docs.
84 bool thread_pdf_docs_owned_;
86 DISALLOW_COPY_AND_ASSIGN(PdfMetafileCg);
89 } // namespace printing
91 #endif // PRINTING_PDF_METAFILE_CG_MAC_H_