| // 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 "printing/metafile.h" |
| |
| namespace printing { |
| |
| // This class creates a graphics context that renders into a PDF data stream. |
| class PRINTING_EXPORT PdfMetafileCg : public Metafile { |
| public: |
| PdfMetafileCg(); |
| PdfMetafileCg(const PdfMetafileCg&) = delete; |
| PdfMetafileCg& operator=(const PdfMetafileCg&) = delete; |
| ~PdfMetafileCg() override; |
| |
| // Metafile methods. |
| bool Init() override; |
| bool InitFromData(base::span<const uint8_t> data) override; |
| void StartPage(const gfx::Size& page_size, |
| const gfx::Rect& content_area, |
| float scale_factor, |
| mojom::PageOrientation page_orientation) 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, |
| printing::NativeDrawingContext context, |
| const CGRect& rect, |
| bool autorotate, |
| bool fit_to_page) const override; |
| |
| private: |
| // Returns a CGPDFDocumentRef version of |pdf_data_|. |
| CGPDFDocumentRef GetPDFDocument() const; |
| |
| // 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_ = false; |
| }; |
| |
| } // namespace printing |
| |
| #endif // PRINTING_PDF_METAFILE_CG_MAC_H_ |