Unfork VectorPlatformCanvas.

printing/emf_win.cc

 // Copyright (c) 2011 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 "printing/emf_win.h"
 
 #include "base/file_path.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/scoped_ptr.h"
 #include "base/time.h"
+#include "skia/ext/vector_platform_device_win.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/codec/jpeg_codec.h"
 #include "ui/gfx/codec/png_codec.h"
 #include "ui/gfx/gdi_util.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
 namespace {
 const int kCustomGdiCommentSignature = 0xdeadbabe;
@@ skipping 383 matching lines @@
       break;
     }
     default: {
       res = Play();
       break;
     }
   }
   return res;
 }
 
+skia::PlatformDevice* Emf::StartPageForVectorCanvas(
+    const gfx::Size& page_size, const gfx::Point& content_origin,
+    const float& scale_factor) {
+  if (!StartPage(page_size, content_origin, scale_factor))
+    return NULL;
+
+  return skia::VectorPlatformDeviceFactory::CreateDevice(page_size.width(),
+                                                         page_size.height(),
+                                                         true, hdc_);
+}
+
 bool Emf::StartPage(const gfx::Size& /*page_size*/,
                     const gfx::Point& /*content_origin*/,
                     const float& scale_factor) {
-  DCHECK_EQ(scale_factor, 1);
+  DCHECK_EQ(1.0f, scale_factor);  // We don't support scaling here.
   DCHECK(hdc_);
   if (!hdc_)
     return false;
   PageBreakRecord record(PageBreakRecord::START_PAGE);
   return !!GdiComment(hdc_, sizeof(record),
                       reinterpret_cast<const BYTE *>(&record));
 }
 
 bool Emf::FinishPage() {
   DCHECK(hdc_);
@@ skipping 43 matching lines @@
   } else {
     DCHECK_EQ(emf.context_.handle_table, handle_table);
     DCHECK_EQ(emf.context_.objects_count, objects_count);
     DCHECK_EQ(emf.context_.hdc, hdc);
   }
   emf.items_.push_back(Record(&emf.context_, record));
   return 1;
 }
 
 }  // namespace printing