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Diffstat (limited to 'printing/pdf_metafile_cg_mac.h')
-rw-r--r-- | printing/pdf_metafile_cg_mac.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/printing/pdf_metafile_cg_mac.h b/printing/pdf_metafile_cg_mac.h new file mode 100644 index 0000000..0183246 --- /dev/null +++ b/printing/pdf_metafile_cg_mac.h @@ -0,0 +1,94 @@ +// Copyright (c) 2011 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef PRINTING_PDF_METAFILE_CG_MAC_H_ +#define PRINTING_PDF_METAFILE_CG_MAC_H_ + +#include <ApplicationServices/ApplicationServices.h> +#include <CoreFoundation/CoreFoundation.h> + +#include "base/basictypes.h" +#include "base/gtest_prod_util.h" +#include "base/mac/scoped_cftyperef.h" +#include "printing/native_metafile.h" + +class FilePath; + +namespace gfx { +class Rect; +class Size; +class Point; +} + +namespace printing { + +// This class creates a graphics context that renders into a PDF data stream. +class PdfMetafileCg : public NativeMetafile { + public: + + virtual ~PdfMetafileCg(); + + // NativeMetafile methods. + virtual bool Init(); + virtual bool InitFromData(const void* src_buffer, uint32 src_buffer_size); + + // Not implemented on mac. + virtual skia::PlatformDevice* StartPageForVectorCanvas( + const gfx::Size& page_size, const gfx::Point& content_origin, + const float& scale_factor); + virtual bool StartPage(const gfx::Size& page_size, + const gfx::Point& content_origin, + const float& scale_factor); + virtual bool FinishPage(); + virtual bool FinishDocument(); + + virtual uint32 GetDataSize() const; + virtual bool GetData(void* dst_buffer, uint32 dst_buffer_size) const; + + // For testing purposes only. + virtual bool SaveTo(const FilePath& file_path) const; + + virtual gfx::Rect GetPageBounds(unsigned int page_number) const; + virtual unsigned int GetPageCount() const; + + // Note: The returned context *must not be retained* past Close(). If it is, + // the data returned from GetData will not be valid PDF data. + virtual CGContextRef context() const; + + virtual bool RenderPage(unsigned int page_number, + CGContextRef context, + const CGRect rect, + bool shrink_to_fit, + bool stretch_to_fit, + bool center_horizontally, + bool center_vertically) const; + + protected: + PdfMetafileCg(); + + private: + friend class NativeMetafileFactory; + FRIEND_TEST_ALL_PREFIXES(PdfMetafileCgTest, Pdf); + + // Returns a CGPDFDocumentRef version of pdf_data_. + CGPDFDocumentRef GetPDFDocument() const; + + // Context for rendering to the pdf. + base::mac::ScopedCFTypeRef<CGContextRef> context_; + + // PDF backing store. + base::mac::ScopedCFTypeRef<CFMutableDataRef> pdf_data_; + + // Lazily-created CGPDFDocument representation of pdf_data_. + mutable base::mac::ScopedCFTypeRef<CGPDFDocumentRef> pdf_doc_; + + // Whether or not a page is currently open. + bool page_is_open_; + + DISALLOW_COPY_AND_ASSIGN(PdfMetafileCg); +}; + +} // namespace printing + +#endif // PRINTING_PDF_METAFILE_CG_MAC_H_ |