Windows: Make it possible to print text with GDI.

pdf/pdfium/pdfium_engine.cc

 // 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.
 
 #include "pdf/pdfium/pdfium_engine.h"
 
 #include <math.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 45 matching lines @@
 #include "third_party/pdfium/public/fpdf_transformpage.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 #include "ui/gfx/geometry/rect.h"
 #include "v8/include/v8.h"
 
 using printing::ConvertUnit;
 using printing::ConvertUnitDouble;
 using printing::kPointsPerInch;
 using printing::kPixelsPerInch;
 
+#if defined(OS_WIN)
+extern PDFEnsureTypefaceCharactersAccessible g_pdfium_typeface_accessible_func;
+extern bool g_pdfium_print_text_with_gdi;
+#endif
+
 namespace chrome_pdf {
 
 namespace {
 
 const int32_t kPageShadowTop = 3;
 const int32_t kPageShadowBottom = 7;
 const int32_t kPageShadowLeft = 5;
 const int32_t kPageShadowRight = 5;
 
 const int32_t kPageSeparatorThickness = 4;
@@ skipping 3755 matching lines @@
     FPDFBitmap_Destroy(bitmap);
   } else {
     FPDF_RenderPage(dc, page, dest.x(), dest.y(), dest.width(), dest.height(),
                     rotate, FPDF_ANNOT | FPDF_PRINTING | FPDF_NO_CATCH);
   }
   RestoreDC(dc, save_state);
   FPDF_ClosePage(page);
   FPDF_CloseDocument(doc);
   return true;
 }
+
+void PDFiumEngineExports::SetPDFEnsureTypefaceCharactersAccessible(
+    PDFEnsureTypefaceCharactersAccessible func) {
+  g_pdfium_typeface_accessible_func = func;
+}
+
+void PDFiumEngineExports::SetPDFUseGDIPrinting(bool enable) {
+  g_pdfium_print_text_with_gdi = enable;
+}
 #endif  // defined(OS_WIN)
 
 bool PDFiumEngineExports::RenderPDFPageToBitmap(
     const void* pdf_buffer,
     int pdf_buffer_size,
     int page_number,
     const RenderingSettings& settings,
     void* bitmap_buffer) {
   FPDF_DOCUMENT doc =
       FPDF_LoadMemDocument(pdf_buffer, pdf_buffer_size, nullptr);
@@ skipping 61 matching lines @@
   FPDF_DOCUMENT doc =
       FPDF_LoadMemDocument(pdf_buffer, pdf_buffer_size, nullptr);
   if (!doc)
     return false;
   bool success = FPDF_GetPageSizeByIndex(doc, page_number, width, height) != 0;
   FPDF_CloseDocument(doc);
   return success;
 }
 
 }  // namespace chrome_pdf