Break out SkOffsetImageFilter into its own file, and derive it from
SkSingleInputImageFilter, to make it DAG-friendly.
Review URL: https://codereview.appspot.com/6822086
git-svn-id: http://skia.googlecode.com/svn/trunk@6315 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/effects/SkOffsetImageFilter.h b/include/effects/SkOffsetImageFilter.h
new file mode 100644
index 0000000..74d6ebc
--- /dev/null
+++ b/include/effects/SkOffsetImageFilter.h
@@ -0,0 +1,33 @@
+/*
+ * 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 SkOffsetImageFilter_DEFINED
+#define SkOffsetImageFilter_DEFINED
+
+#include "SkSingleInputImageFilter.h"
+#include "SkPoint.h"
+
+class SK_API SkOffsetImageFilter : public SkSingleInputImageFilter {
+public:
+ SkOffsetImageFilter(SkScalar dx, SkScalar dy, SkImageFilter* input = NULL);
+ SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkOffsetImageFilter)
+
+protected:
+ SkOffsetImageFilter(SkFlattenableReadBuffer& buffer);
+ virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE;
+
+ virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&,
+ SkBitmap* result, SkIPoint* loc) SK_OVERRIDE;
+ virtual bool onFilterBounds(const SkIRect&, const SkMatrix&, SkIRect*) SK_OVERRIDE;
+
+private:
+ SkVector fOffset;
+
+ typedef SkSingleInputImageFilter INHERITED;
+};
+
+#endif