1 files changed, 95 insertions, 0 deletions
diff --git a/experimental/AndroidPathRenderer/AndroidPathRenderer.h b/experimental/AndroidPathRenderer/AndroidPathRenderer.h
new file mode 100644
index 0000000000..a17ce9b6e3
--- /dev/null
+++ b/experimental/AndroidPathRenderer/AndroidPathRenderer.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2012 The Android Open Source Project
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef ANDROID_HWUI_PATH_RENDERER_H
+#define ANDROID_HWUI_PATH_RENDERER_H
+
+#include <utils/Vector.h>
+
+#include "Vertex.h"
+
+namespace android {
+namespace uirenderer {
+
+class Matrix4;
+typedef Matrix4 mat4;
+
+class VertexBuffer {
+public:
+    VertexBuffer():
+        mBuffer(0),
+        mSize(0),
+        mCleanupMethod(0)
+    {}
+
+    ~VertexBuffer() {
+        if (mCleanupMethod)
+            mCleanupMethod(mBuffer);
+    }
+
+    template <class TYPE>
+    TYPE* alloc(int size) {
+        mSize = size;
+        mBuffer = (void*)new TYPE[size];
+        mCleanupMethod = &(cleanup<TYPE>);
+
+        return (TYPE*)mBuffer;
+    }
+
+    void* getBuffer() { return mBuffer; }
+    unsigned int getSize() { return mSize; }
+
+private:
+    template <class TYPE>
+    static void cleanup(void* buffer) {
+        delete[] (TYPE*)buffer;
+    }
+
+    void* mBuffer;
+    unsigned int mSize;
+    void (*mCleanupMethod)(void*);
+};
+
+class PathRenderer {
+public:
+    static SkRect computePathBounds(const SkPath& path, const SkPaint* paint);
+
+    static void convexPathVertices(const SkPath& path, const SkPaint* paint,
+            const mat4 *transform, VertexBuffer& vertexBuffer);
+
+private:
+    static bool convexPathPerimeterVertices(const SkPath &path, bool forceClose,
+        float sqrInvScaleX, float sqrInvScaleY, Vector<Vertex> &outputVertices);
+
+/*
+  endpoints a & b,
+  control c
+ */
+    static void recursiveQuadraticBezierVertices(
+            float ax, float ay,
+            float bx, float by,
+            float cx, float cy,
+            float sqrInvScaleX, float sqrInvScaleY,
+            Vector<Vertex> &outputVertices);
+
+/*
+  endpoints p1, p2
+  control c1, c2
+ */
+    static void recursiveCubicBezierVertices(
+            float p1x, float p1y,
+            float c1x, float c1y,
+            float p2x, float p2y,
+            float c2x, float c2y,
+            float sqrInvScaleX, float sqrInvScaleY,
+            Vector<Vertex> &outputVertices);
+};
+
+}; // namespace uirenderer
+}; // namespace android
+
+#endif // ANDROID_HWUI_PATH_RENDERER_H