1 files changed, 48 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/android/SkBitmapRegionDecoder.cpp b/gfx/skia/skia/src/android/SkBitmapRegionDecoder.cpp
new file mode 100644
index 000000000..6dd48c5f8
--- /dev/null
+++ b/gfx/skia/skia/src/android/SkBitmapRegionDecoder.cpp
@@ -0,0 +1,48 @@
+/*
+ * 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 "SkBitmapRegionCodec.h"
+#include "SkBitmapRegionDecoder.h"
+#include "SkAndroidCodec.h"
+#include "SkCodec.h"
+#include "SkCodecPriv.h"
+
+SkBitmapRegionDecoder* SkBitmapRegionDecoder::Create(
+        sk_sp<SkData> data, Strategy strategy) {
+    return SkBitmapRegionDecoder::Create(new SkMemoryStream(data),
+            strategy);
+}
+
+SkBitmapRegionDecoder* SkBitmapRegionDecoder::Create(
+        SkStreamRewindable* stream, Strategy strategy) {
+    SkAutoTDelete<SkStreamRewindable> streamDeleter(stream);
+    switch (strategy) {
+        case kAndroidCodec_Strategy: {
+            SkAutoTDelete<SkAndroidCodec> codec =
+                    SkAndroidCodec::NewFromStream(streamDeleter.release());
+            if (nullptr == codec) {
+                SkCodecPrintf("Error: Failed to create codec.\n");
+                return NULL;
+            }
+
+            SkEncodedFormat format = codec->getEncodedFormat();
+            switch (format) {
+                case SkEncodedFormat::kJPEG_SkEncodedFormat:
+                case SkEncodedFormat::kPNG_SkEncodedFormat:
+                case SkEncodedFormat::kWEBP_SkEncodedFormat:
+                    break;
+                default:
+                    return nullptr;
+            }
+
+            return new SkBitmapRegionCodec(codec.release());
+        }
+        default:
+            SkASSERT(false);
+            return nullptr;
+    }
+}