1 files changed, 60 insertions, 0 deletions
diff --git a/src/deps/skia/include/utils/SkAnimCodecPlayer.h b/src/deps/skia/include/utils/SkAnimCodecPlayer.h
new file mode 100644
index 000000000..c8c98a483
--- /dev/null
+++ b/src/deps/skia/include/utils/SkAnimCodecPlayer.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2018 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkAnimCodecPlayer_DEFINED
+#define SkAnimCodecPlayer_DEFINED
+
+#include "include/codec/SkCodec.h"
+
+class SkImage;
+
+class SkAnimCodecPlayer {
+public:
+    SkAnimCodecPlayer(std::unique_ptr<SkCodec> codec);
+    ~SkAnimCodecPlayer();
+
+    /**
+     *  Returns the current frame of the animation. This defaults to the first frame for
+     *  animated codecs (i.e. msec = 0). Calling this multiple times (without calling seek())
+     *  will always return the same image object (or null if there was an error).
+     */
+    sk_sp<SkImage> getFrame();
+
+    /**
+     *  Return the size of the image(s) that will be returned by getFrame().
+     */
+    SkISize dimensions() const;
+
+    /**
+     *  Returns the total duration of the animation in milliseconds. Returns 0 for a single-frame
+     *  image.
+     */
+    uint32_t duration() const { return fTotalDuration; }
+
+    /**
+     *  Finds the closest frame associated with the time code (in milliseconds) and sets that
+     *  to be the current frame (call getFrame() to retrieve that image).
+     *  Returns true iff this call to seek() changed the "current frame" for the animation.
+     *  Thus if seek() returns false, then getFrame() will return the same image as it did
+     *  before this call to seek().
+     */
+    bool seek(uint32_t msec);
+
+
+private:
+    std::unique_ptr<SkCodec>        fCodec;
+    SkImageInfo                     fImageInfo;
+    std::vector<SkCodec::FrameInfo> fFrameInfos;
+    std::vector<sk_sp<SkImage> >    fImages;
+    int                             fCurrIndex = 0;
+    uint32_t                        fTotalDuration;
+
+    sk_sp<SkImage> getFrameAt(int index);
+};
+
+#endif
+