1 // Copyright 2017 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.
4 
5 #ifndef CHROME_SERVICES_PRINTING_PDF_TO_EMF_CONVERTER_H_
6 #define CHROME_SERVICES_PRINTING_PDF_TO_EMF_CONVERTER_H_
7 
8 #include <vector>
9 
10 #include "base/macros.h"
11 #include "base/memory/read_only_shared_memory_region.h"
12 #include "chrome/services/printing/public/mojom/pdf_to_emf_converter.mojom.h"
13 #include "mojo/public/cpp/bindings/pending_remote.h"
14 #include "printing/pdf_render_settings.h"
15 
16 namespace printing {
17 
18 class PdfToEmfConverter : public mojom::PdfToEmfConverter {
19  public:
20   PdfToEmfConverter(base::ReadOnlySharedMemoryRegion pdf_region,
21                     const PdfRenderSettings& render_settings,
22                     mojo::PendingRemote<mojom::PdfToEmfConverterClient> client);
23   ~PdfToEmfConverter() override;
24 
total_page_count()25   int total_page_count() const { return total_page_count_; }
26 
27  private:
28   // mojom::PdfToEmfConverter implementation.
29   void ConvertPage(uint32_t page_number, ConvertPageCallback callback) override;
30 
31   void SetPrintMode();
32   void LoadPdf(base::ReadOnlySharedMemoryRegion pdf_region);
33   base::ReadOnlySharedMemoryRegion RenderPdfPageToMetafile(int page_number,
34                                                            bool postscript,
35                                                            float* scale_factor);
36 
37   uint32_t total_page_count_ = 0;
38   PdfRenderSettings pdf_render_settings_;
39   base::ReadOnlySharedMemoryMapping pdf_mapping_;
40 
41   DISALLOW_COPY_AND_ASSIGN(PdfToEmfConverter);
42 };
43 
44 }  // namespace printing
45 
46 #endif  // CHROME_SERVICES_PRINTING_PDF_TO_EMF_CONVERTER_H_
47