1 files changed, 69 insertions, 0 deletions
diff --git a/libs/graphics/sgl/SkMaskFilter.cpp b/libs/graphics/sgl/SkMaskFilter.cpp
new file mode 100644
index 0000000000..a23b44e45f
--- /dev/null
+++ b/libs/graphics/sgl/SkMaskFilter.cpp
@@ -0,0 +1,69 @@
+#include "SkMaskFilter.h"
+#include "SkBlitter.h"
+#include "SkBounder.h"
+#include "SkBuffer.h"
+#include "SkDraw.h"
+#include "SkRegion.h"
+
+size_t SkMask::computeImageSize() const
+{
+	return fBounds.height() * fRowBytes;
+}
+
+size_t SkMask::computeTotalImageSize() const
+{
+	size_t size = this->computeImageSize();
+
+	if (fFormat == SkMask::k3D_Format)
+		size *= 3;
+	return size;
+}
+
+uint8_t* SkMask::AllocImage(size_t size)
+{
+	return (uint8_t*)sk_malloc_throw(SkAlign4(size));
+}
+
+void SkMask::FreeImage(uint8_t* image)
+{
+	sk_free(image);
+}
+
+bool SkMaskFilter::filterMask(SkMask*, const SkMask&, const SkMatrix&, SkPoint16*)
+{
+	return false;
+}
+
+bool SkMaskFilter::filterPath(const SkPath& devPath, const SkMatrix& matrix,
+							  const SkRegion& clip, SkBounder* bounder,
+							  SkBlitter* blitter)
+{
+	SkMask  srcM, dstM;
+
+    if (!SkDraw::DrawToMask(devPath, &clip.getBounds(), this, &matrix, &srcM,
+                            SkMask::kComputeBoundsAndRenderImage_CreateMode))
+    {
+        return false;
+    }
+
+	SkAutoMaskImage autoSrc(&srcM, false);
+
+	if (!this->filterMask(&dstM, srcM, matrix, NULL))
+		return false;
+
+	SkAutoMaskImage			autoDst(&dstM, false);
+	SkRegion::Cliperator	clipper(clip, dstM.fBounds);
+
+	if (!clipper.done() && (bounder == NULL || bounder->doIRect(dstM.fBounds, clip)))
+	{
+		const SkRect16&	cr = clipper.rect();
+		do {
+			blitter->blitMask(dstM, cr);
+			clipper.next();
+		} while (!clipper.done());
+	}
+
+	return true;
+}
+
+