| // Copyright (c) 2012 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 <stdint.h> |
| |
| #include "base/mac/scoped_cftyperef.h" |
| #include "base/macros.h" |
| #include "base/threading/thread_checker.h" |
| #include "printing/metafile.h" |
| |
| namespace base { |
| class FilePath; |
| } |
| |
| namespace gfx { |
| class Rect; |
| class Size; |
| } |
| |
| namespace printing { |
| |
| // This class creates a graphics context that renders into a PDF data stream. |
| class PRINTING_EXPORT PdfMetafileCg : public Metafile { |
| public: |
| PdfMetafileCg(); |
| ~PdfMetafileCg() override; |
| |
| // Metafile methods. |
| bool Init() override; |
| bool InitFromData(const void* src_buffer, uint32_t src_buffer_size) override; |
| |
| // Not implemented on mac. |
| bool StartPage(const gfx::Size& page_size, |
| const gfx::Rect& content_area, |
| const float& scale_factor) override; |
| bool FinishPage() override; |
| bool FinishDocument() override; |
| |
| uint32_t GetDataSize() const override; |
| bool GetData(void* dst_buffer, uint32_t dst_buffer_size) const override; |
| |
| gfx::Rect GetPageBounds(unsigned int page_number) const override; |
| unsigned int GetPageCount() const override; |
| |
| // Note: The returned context *must not be retained* past Close(). If it is, |
| // the data returned from GetData will not be valid PDF data. |
| CGContextRef context() const override; |
| |
| bool RenderPage(unsigned int page_number, |
| gfx::NativeDrawingContext context, |
| const CGRect rect, |
| const MacRenderPageParams& params) const override; |
| |
| private: |
| // Returns a CGPDFDocumentRef version of pdf_data_. |
| CGPDFDocumentRef GetPDFDocument() const; |
| |
| base::ThreadChecker thread_checker_; |
| |
| // Context for rendering to the pdf. |
| base::ScopedCFTypeRef<CGContextRef> context_; |
| |
| // PDF backing store. |
| base::ScopedCFTypeRef<CFMutableDataRef> pdf_data_; |
| |
| // Lazily-created CGPDFDocument representation of pdf_data_. |
| mutable base::ScopedCFTypeRef<CGPDFDocumentRef> pdf_doc_; |
| |
| // Whether or not a page is currently open. |
| bool page_is_open_; |
| |
| // Whether this instantiation of the PdfMetafileCg owns the thread_pdf_docs. |
| bool thread_pdf_docs_owned_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PdfMetafileCg); |
| }; |
| |
| } // namespace printing |
| |
| #endif // PRINTING_PDF_METAFILE_CG_MAC_H_ |