Make a separate path renderer object. Move enum types to GrTypes.h
Review URL http://codereview.appspot.com/4167067/
git-svn-id: http://skia.googlecode.com/svn/trunk@829 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/src/GrPathRenderer.h b/gpu/src/GrPathRenderer.h
new file mode 100644
index 0000000..e3fd715
--- /dev/null
+++ b/gpu/src/GrPathRenderer.h
@@ -0,0 +1,64 @@
+/*
+ Copyright 2011 Google Inc.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+#ifndef GrPathRenderer_DEFINED
+#define GrPathRenderer_DEFINED
+
+#include "GrDrawTarget.h"
+
+class GrPathIter;
+struct GrPoint;
+
+/**
+ * A path renderer.
+ */
+class GrPathRenderer {
+public:
+ /**
+ * Draws a path into the draw target. The target will already have its draw
+ * state configured for the draw.
+ * @param target the target to draw into.
+ * @param stages indicates which stages the are already
+ * in use. All enabled stages expect positions
+ * as texture coordinates. The path renderer
+ * use the remaining stages for its path
+ * filling algorithm.
+ * @param path the path to draw.
+ * @param fill the fill rule to apply.
+ * @param translate optional additional translation to apply to
+ * the path NULL means (0,0).
+ */
+ virtual void drawPath(GrDrawTarget* target,
+ GrDrawTarget::StageBitfield stages,
+ GrPathIter* path,
+ GrPathFill fill,
+ const GrPoint* translate) = 0;
+};
+
+class GrDefaultPathRenderer : public GrPathRenderer {
+public:
+ GrDefaultPathRenderer(bool singlePassWindingStencil);
+
+ virtual void drawPath(GrDrawTarget* target,
+ GrDrawTarget::StageBitfield stages,
+ GrPathIter* path,
+ GrPathFill fill,
+ const GrPoint* translate);
+private:
+ bool fSinglePassWindingStencil;
+};
+
+#endif
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