Rasterize page before printing.

skia/ext/platform_device.h

 // 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 SKIA_EXT_PLATFORM_DEVICE_H_
 #define SKIA_EXT_PLATFORM_DEVICE_H_
 
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
@@ skipping 106 matching lines @@
   // temporarily create it. However, if you have created the bitmap DC, it will
   // be more efficient if you don't free it until after this call so it doesn't
   // have to be created twice.  If src_rect is null, then the entirety of the
   // source device will be copied.
   virtual void DrawToNativeContext(PlatformSurface surface, int x, int y,
                                    const PlatformRect* src_rect) = 0;
 
   // Returns if GDI is allowed to render text to this device.
   virtual bool IsNativeFontRenderingAllowed();
 
-  // True if AlphaBlend() was called during a
-  // BeginPlatformPaint()/EndPlatformPaint() pair.
-  // Used by the printing subclasses.  See |VectorPlatformDeviceEmf|.
-  virtual bool AlphaBlendUsed() const;
-
 #if defined(OS_WIN)
   // Loads a SkPath into the GDI context. The path can there after be used for
   // clipping or as a stroke. Returns false if the path failed to be loaded.
   static bool LoadPathToDC(HDC context, const SkPath& path);
 
   // Loads a SkRegion into the GDI context.
   static void LoadClippingRegionToDC(HDC context, const SkRegion& region,
                                      const SkMatrix& transformation);
 #elif defined(OS_MACOSX)
   // Loads a SkPath into the CG context. The path can there after be used for
@@ skipping 27 matching lines @@
 #elif defined(OS_MACOSX)
   // Loads the specified Skia transform into the device context
   static void LoadTransformToCGContext(CGContextRef context,
                                        const SkMatrix& matrix);
 #endif
 };
 
 }  // namespace skia
 
 #endif  // SKIA_EXT_PLATFORM_DEVICE_H_