Add RAW decoding into Skia.
TBR=reed@google.com
BUG=skia:
(Based on the work from ebrauer in https://codereview.chromium.org/1459473007)
(Based on the work from adaubert in https://codereview.chromium.org/1494003003)
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1520403003
Committed: https://skia.googlesource.com/skia/+/6bd8639f8c142eedf543f4e5f3b02d2bf11df308
Review URL: https://codereview.chromium.org/1520403003
diff --git a/src/codec/SkRawAdapterCodec.cpp b/src/codec/SkRawAdapterCodec.cpp
new file mode 100644
index 0000000..76cbaa1
--- /dev/null
+++ b/src/codec/SkRawAdapterCodec.cpp
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkCodec.h"
+#include "SkCodecPriv.h"
+#include "SkRawAdapterCodec.h"
+
+SkRawAdapterCodec::SkRawAdapterCodec(SkRawCodec* codec)
+ : INHERITED(codec)
+{}
+
+SkISize SkRawAdapterCodec::onGetSampledDimensions(int sampleSize) const {
+ float scale = 1.f / static_cast<float>(sampleSize);
+ return this->codec()->getScaledDimensions(scale);
+}
+
+SkCodec::Result SkRawAdapterCodec::onGetAndroidPixels(
+ const SkImageInfo& info, void* pixels, size_t rowBytes,
+ const AndroidOptions& options) {
+ SkCodec::Options codecOptions;
+ codecOptions.fZeroInitialized = options.fZeroInitialized;
+ codecOptions.fSubset = options.fSubset;
+ return this->codec()->getPixels(
+ info, pixels, rowBytes, &codecOptions, options.fColorPtr,
+ options.fColorCount);
+}