Implement initial ClipRect.

Move IntersectsClipRectInt and GetClipRect functions to CanvasSkia private, since they are only used internally.

BUG=none
TEST=see unittest.

Review URL: http://codereview.chromium.org/2959014

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@53218 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 27 insertions, 0 deletions

diff --git a/gfx/canvas_direct2d_unittest.cc b/gfx/canvas_direct2d_unittest.cc
index 0b5ce0f..7e2c734 100644
--- a/gfx/canvas_direct2d_unittest.cc
+++ b/gfx/canvas_direct2d_unittest.cc
@@ -154,3 +154,30 @@ TEST(CanvasDirect2D, PlatformPainting) {
   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();
+}