Add support for brushes to gfx::Canvas... right now just LinearGradientBrush.

A native brush is created by gfx::Canvas::CreateLinearGradientBrush wrapped in a gfx::Brush. When gfx::Brush is deleted the platform wrapper frees the native brush.

BUG=none
TEST=see unittest.

Review URL: http://codereview.chromium.org/3038019

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@53534 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 19 insertions, 0 deletions

diff --git a/gfx/canvas_direct2d_unittest.cc b/gfx/canvas_direct2d_unittest.cc
index 541e3f0..d8c02c1 100644
--- a/gfx/canvas_direct2d_unittest.cc
+++ b/gfx/canvas_direct2d_unittest.cc
@@ -8,6 +8,7 @@
 #include <vssym32.h>
 
 #include "base/command_line.h"
+#include "base/scoped_ptr.h"
 #include "gfx/canvas_direct2d.h"
 #include "gfx/canvas_skia.h"
 #include "gfx/native_theme_win.h"
@@ -202,3 +203,21 @@ TEST(CanvasDirect2D, ClipRectWithScale) {
   canvas.FillRectInt(SK_ColorRED, 0, 0, 500, 500);
   canvas.Restore();
 }
+
+TEST(CanvasDirect2D, CreateLinearGradientBrush) {
+  TestWindow window;
+  gfx::CanvasDirect2D canvas(window.rt());
+
+  canvas.Save();
+  SkColor colors[] = { SK_ColorRED, SK_ColorWHITE };
+  float positions[] = { 0.0f, 1.0f };
+  scoped_ptr<gfx::Brush> brush(canvas.CreateLinearGradientBrush(
+      gfx::Point(0, 0),
+      gfx::Point(100, 0),
+      colors,
+      positions,
+      2,
+      gfx::Canvas::TileMode_Clamp));
+  canvas.FillRectInt(brush.get(), 0, 0, 500, 500);
+  canvas.Restore();
+}