TextureSet FirstFrame() override;
/**
+ * Get the next frame. If it's not ready, this will trigger the
+ * sending of FrameReady() when the image becomes ready.
+ */
+ TextureSet NextFrame() override;
+
+ /**
* Get the interval of Nth frame.
*/
- uint32_t GetFrameInterval( uint32_t frameIndex ) override;
+ uint32_t GetFrameInterval( uint32_t frameIndex ) const override;
+
+ /**
+ * Get the current rendered frame index.
+ * If there isn't any loaded frame, returns -1.
+ */
+ int32_t GetCurrentFrameIndex() const override;
+
+ /**
+ * Get total frame count of the animated image file.
+ */
+ int32_t GetTotalFrameCount() const override;
private:
/**