1 files changed, 62 insertions, 0 deletions
diff --git a/skia/sgl/SkRasterizer.cpp b/skia/sgl/SkRasterizer.cpp
new file mode 100644
index 0000000..8a46bad
--- /dev/null
+++ b/skia/sgl/SkRasterizer.cpp
@@ -0,0 +1,62 @@
+/* libs/graphics/sgl/SkRasterizer.cpp
+**
+** Copyright 2006, 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.
+*/
+
+#include "SkRasterizer.h"
+#include "SkDraw.h"
+#include "SkMaskFilter.h"
+#include "SkPath.h"
+
+// do nothing for now, since we don't store anything at flatten time
+SkRasterizer::SkRasterizer(SkFlattenableReadBuffer&) {}
+
+bool SkRasterizer::rasterize(const SkPath& fillPath, const SkMatrix& matrix,
+                             const SkIRect* clipBounds, SkMaskFilter* filter,
+                             SkMask* mask, SkMask::CreateMode mode)
+{
+    SkIRect storage;
+    
+    if (clipBounds && filter && SkMask::kJustRenderImage_CreateMode != mode)
+    {        
+        SkIPoint    margin;
+        SkMask      srcM, dstM;
+        
+        srcM.fFormat = SkMask::kA8_Format;
+        srcM.fBounds.set(0, 0, 1, 1);
+        srcM.fImage = NULL;
+        if (!filter->filterMask(&dstM, srcM, matrix, &margin))
+            return false;
+        
+        storage = *clipBounds;
+        storage.inset(-margin.fX, -margin.fY);
+        clipBounds = &storage;
+    }
+    
+    return this->onRasterize(fillPath, matrix, clipBounds, mask, mode);
+}
+
+/*  Our default implementation of the virtual method just scan converts
+*/
+bool SkRasterizer::onRasterize(const SkPath& fillPath, const SkMatrix& matrix,
+                             const SkIRect* clipBounds,
+                             SkMask* mask, SkMask::CreateMode mode)
+{
+    SkPath  devPath;
+    
+    fillPath.transform(matrix, &devPath);
+    return SkDraw::DrawToMask(devPath, clipBounds, NULL, NULL, mask, mode);
+}
+