ui/gfx/canvas_paint_win.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/basictypes.h"
   6 #include "base/compiler_specific.h"
   7 #include "ui/gfx/canvas.h"
   8 #include "ui/gfx/canvas_skia_paint.h"
   9 #include "ui/gfx/rect.h"
  10
  11 namespace {
  12
  13 #if !defined(USE_AURA)
  14 class CanvasPaintWin : public gfx::CanvasPaint, public gfx::CanvasSkiaPaint {
  15  public:
  16   explicit CanvasPaintWin(gfx::NativeView view);
  17   virtual ~CanvasPaintWin();
  18
  19   // Overridden from CanvasPaint:
  20   virtual bool IsValid() const OVERRIDE;
  21   virtual gfx::Rect GetInvalidRect() const OVERRIDE;
  22   virtual gfx::Canvas* AsCanvas() OVERRIDE;
  23
  24  private:
  25   DISALLOW_COPY_AND_ASSIGN(CanvasPaintWin);
  26 };
  27
  28 CanvasPaintWin::CanvasPaintWin(gfx::NativeView view)
  29     : gfx::CanvasSkiaPaint(view) {}
  30
  31 CanvasPaintWin::~CanvasPaintWin() {}
  32
  33 bool CanvasPaintWin::IsValid() const {
  34   return isEmpty();
  35 }
  36
  37 gfx::Rect CanvasPaintWin::GetInvalidRect() const {
  38   return gfx::Rect(paintStruct().rcPaint);
  39 }
  40
  41 gfx::Canvas* CanvasPaintWin::AsCanvas() {
  42   return this;
  43 }
  44 #endif
  45
  46 }  // namespace
  47
  48 namespace gfx {
  49
  50 CanvasPaint* CanvasPaint::CreateCanvasPaint(gfx::NativeView view) {
  51 #if !defined(USE_AURA)
  52   return new CanvasPaintWin(view);
  53 #else
  54   return NULL;
  55 #endif
  56 }
  57
  58 }  // namespace gfx