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>
12 #include "base/mac/scoped_cftyperef.h"
13 #include "base/macros.h"
14 #include "printing/metafile.h"
23 // This class creates a graphics context that renders into a PDF data stream.
24 class PRINTING_EXPORT PdfMetafileCg : public Metafile {
27 ~PdfMetafileCg() override;
31 bool InitFromData(const void* src_buffer, size_t src_buffer_size) override;
32 void StartPage(const gfx::Size& page_size,
33 const gfx::Rect& content_area,
34 const float& scale_factor) override;
35 bool FinishPage() override;
36 bool FinishDocument() override;
38 uint32_t GetDataSize() const override;
39 bool GetData(void* dst_buffer, uint32_t dst_buffer_size) const override;
41 gfx::Rect GetPageBounds(unsigned int page_number) const override;
42 unsigned int GetPageCount() const override;
44 // Note: The returned context *must not be retained* past Close(). If it is,
45 // the data returned from GetData will not be valid PDF data.
46 CGContextRef context() const override;
48 bool RenderPage(unsigned int page_number,
49 printing::NativeDrawingContext context,
51 const MacRenderPageParams& params) const override;
54 // Returns a CGPDFDocumentRef version of |pdf_data_|.
55 CGPDFDocumentRef GetPDFDocument() const;
57 // Context for rendering to the pdf.
58 base::ScopedCFTypeRef<CGContextRef> context_;
61 base::ScopedCFTypeRef<CFMutableDataRef> pdf_data_;
63 // Lazily-created CGPDFDocument representation of |pdf_data_|.
64 mutable base::ScopedCFTypeRef<CGPDFDocumentRef> pdf_doc_;
66 // Whether or not a page is currently open.
69 DISALLOW_COPY_AND_ASSIGN(PdfMetafileCg);
72 } // namespace printing
74 #endif // PRINTING_PDF_METAFILE_CG_MAC_H_