Windows: Make it possible to print text with GDI.

pdf/pdf.h

 // Copyright (c) 2010 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 PDF_PDF_H_
 #define PDF_PDF_H_
 
 #include "ppapi/c/ppb.h"
 #include "ppapi/cpp/module.h"
 
+#if defined(OS_WIN)
+#include <windows.h>
+#endif
+
+#if defined(OS_WIN)
+typedef void (*PDFEnsureTypefaceCharactersAccessible)(const LOGFONT* font,
+                                                      const wchar_t* text,
+                                                      size_t text_length);
+#endif
+
 namespace chrome_pdf {
 
 class PDFModule : public pp::Module {
  public:
   PDFModule();
   ~PDFModule() override;
 
   // pp::Module implementation.
   bool Init() override;
   pp::Instance* CreateInstance(PP_Instance instance) override;
@@ skipping 39 matching lines @@
                        int dpi,
                        int bounds_origin_x,
                        int bounds_origin_y,
                        int bounds_width,
                        int bounds_height,
                        bool fit_to_bounds,
                        bool stretch_to_bounds,
                        bool keep_aspect_ratio,
                        bool center_in_bounds,
                        bool autorotate);
-#endif
+
+void SetPDFEnsureTypefaceCharactersAccessible(
+    PDFEnsureTypefaceCharactersAccessible func);
+
+void SetPDFUseGDIPrinting(bool enable);
+#endif  // defined(OS_WIN)
+
 // |page_count| and |max_page_width| are optional and can be NULL.
 // Returns false if the document is not valid.
 bool GetPDFDocInfo(const void* pdf_buffer,
                    int buffer_size, int* page_count,
                    double* max_page_width);
 
 // Gets the dimensions of a specific page in a document.
 // |pdf_buffer| is the buffer that contains the entire PDF document to be
 //     rendered.
 // |pdf_buffer_size| is the size of |pdf_buffer| in bytes.
@@ skipping 23 matching lines @@
                            int page_number,
                            void* bitmap_buffer,
                            int bitmap_width,
                            int bitmap_height,
                            int dpi,
                            bool autorotate);
 
 }  // namespace chrome_pdf
 
 #endif  // PDF_PDF_H_