Removal of dependencies on PlatformDevice classes.

skia/ext/platform_device_win.h

 // 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.
 
 #ifndef SKIA_EXT_PLATFORM_DEVICE_WIN_H_
 #define SKIA_EXT_PLATFORM_DEVICE_WIN_H_
 #pragma once
 
 #include <windows.h>
 
 #include <vector>
 
 #include "third_party/skia/include/core/SkDevice.h"
 
 class SkMatrix;
 class SkPath;
 class SkRegion;
 
 namespace skia {
 
+namespace platform_util {
+
+// Draws to the given screen DC.  Forwards to the bound PlatformDevice, if
+// present.  Othwerwise NOP.
+SK_API void DrawToHDC(SkDevice* device, HDC dc, int x, int y,
+                      const RECT* src_rect);
+
+// Sets the opacity of each pixel in the specified region to be opaque.
+SK_API void MakeOpaque(SkDevice* device, int x, int y, int width, int height);
+
+// Initializes the default settings and colors in a device context.
+SK_API void InitializeDC(HDC context);
+
+}  // namespace platform_util
+
 // A device is basically a wrapper around SkBitmap that provides a surface for
 // SkCanvas to draw into. Our device provides a surface Windows can also write
 // to. It also provides functionality to play well with GDI drawing functions.
 // This class is abstract and must be subclassed. It provides the basic
 // interface to implement it either with or without a bitmap backend.
 class SK_API PlatformDevice : public SkDevice {
  public:
   typedef HDC PlatformSurface;
 
   // The DC that corresponds to the bitmap, used for GDI operations drawing
@@ skipping 13 matching lines @@
 
   // Sets the opacity of each pixel in the specified region to be opaque.
   virtual void makeOpaque(int x, int y, int width, int height) { }
 
   // Returns if the preferred rendering engine is vectorial or bitmap based.
   virtual bool IsVectorial() = 0;
 
   // Returns if GDI is allowed to render text to this device.
   virtual bool IsNativeFontRenderingAllowed() { return true; }
 
-  // Initializes the default settings and colors in a device context.
-  static void InitializeDC(HDC context);
-
   // Loads a SkPath into the GDI context. The path can there after be used for
   // clipping or as a stroke.
   static void LoadPathToDC(HDC context, const SkPath& path);
 
   // Loads a SkRegion into the GDI context.
   static void LoadClippingRegionToDC(HDC context, const SkRegion& region,
                                      const SkMatrix& transformation);
 
  protected:
   // Arrays must be inside structures.
@@ skipping 11 matching lines @@
   static void LoadTransformToDC(HDC dc, const SkMatrix& matrix);
 
   // Transforms SkPath's paths into a series of cubic path.
   static bool SkPathToCubicPaths(CubicPaths* paths, const SkPath& skpath);
 };
 
 }  // namespace skia
 
 #endif  // SKIA_EXT_PLATFORM_DEVICE_WIN_H_