1 files changed, 41 insertions, 0 deletions
diff --git a/tools/SkBitmapRegionCodec.h b/tools/SkBitmapRegionCodec.h
new file mode 100644
index 0000000000..14d024ea45
--- /dev/null
+++ b/tools/SkBitmapRegionCodec.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkBitmap.h"
+#include "SkBitmapRegionDecoderInterface.h"
+#include "SkAndroidCodec.h"
+
+/*
+ * This class implements SkBitmapRegionDecoder using an SkAndroidCodec.
+ */
+class SkBitmapRegionCodec : public SkBitmapRegionDecoderInterface {
+public:
+
+    /*
+     * Takes ownership of pointer to codec
+     */
+    SkBitmapRegionCodec(SkAndroidCodec* codec);
+
+    /*
+     * Three differences from the Android version:
+     *     Returns a Skia bitmap instead of an Android bitmap.
+     *     Android version attempts to reuse a recycled bitmap.
+     *     Removed the options object and used parameters for color type and
+     *     sample size.
+     */
+    SkBitmap* decodeRegion(int start_x, int start_y, int width, int height,
+                           int sampleSize, SkColorType prefColorType) override;
+
+    bool conversionSupported(SkColorType colorType) override;
+
+private:
+
+    SkAutoTDelete<SkAndroidCodec> fCodec;
+
+    typedef SkBitmapRegionDecoderInterface INHERITED;
+
+};