Implement initial ClipRect....

gfx/canvas_direct2d_unittest.cc

 // Copyright (c) 2010 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 <windows.h>
 #include <uxtheme.h>
 #include <vsstyle.h>
 #include <vssym32.h>
 
 #include "base/command_line.h"
@@ skipping 136 matching lines @@
 
   // Use the system theme engine to draw a native button. This only works on a
   // GDI device context.
   RECT r = { 20, 20, 220, 80 };
   gfx::NativeTheme::instance()->PaintButton(
       dc, BP_PUSHBUTTON, PBS_NORMAL, DFCS_BUTTONPUSH, &r);
 
   canvas.EndPlatformPaint();
 }
 
+TEST(CanvasDirect2D, ClipRect) {
+  TestWindow window;
+  gfx::CanvasDirect2D canvas(window.rt());
+
+  canvas.FillRectInt(SK_ColorGREEN, 0, 0, 500, 500);
+  canvas.ClipRectInt(20, 20, 120, 120);
+  canvas.FillRectInt(SK_ColorBLUE, 0, 0, 500, 500);
+}
+
+TEST(CanvasDirect2D, ClipRectWithTranslate) {
+  TestWindow window;
+  gfx::CanvasDirect2D canvas(window.rt());
+
+  // Repeat the same rendering as in ClipRect...
+  canvas.Save();
+  canvas.FillRectInt(SK_ColorGREEN, 0, 0, 500, 500);
+  canvas.ClipRectInt(20, 20, 120, 120);
+  canvas.FillRectInt(SK_ColorBLUE, 0, 0, 500, 500);
+  canvas.Restore();
+
+  // ... then translate, clip and fill again relative to the new origin.
+  canvas.Save();
+  canvas.TranslateInt(150, 150);
+  canvas.ClipRectInt(10, 10, 110, 110);
+  canvas.FillRectInt(SK_ColorRED, 0, 0, 500, 500);
+  canvas.Restore();
+}