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Diffstat (limited to 'framesequence/jni/FrameSequence.h')
-rw-r--r-- | framesequence/jni/FrameSequence.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/framesequence/jni/FrameSequence.h b/framesequence/jni/FrameSequence.h new file mode 100644 index 0000000..781b7c6 --- /dev/null +++ b/framesequence/jni/FrameSequence.h @@ -0,0 +1,55 @@ +/* + * Copyright (C) 2013 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef RASTERMILL_FRAME_SEQUENCE_H +#define RASTERMILL_FRAME_SEQUENCE_H + +#include "Stream.h" +#include "Color.h" + +class FrameSequenceState { +public: + /** + * Produces a frame of animation in the output buffer, drawing (at minimum) the delta since + * previousFrameNr (the current contents of the buffer), or from scratch if previousFrameNr is + * negative + * + * Returns frame's delay time in milliseconds. + */ + virtual long drawFrame(int frameNr, + Color8888* outputPtr, int outputPixelStride, int previousFrameNr) = 0; + virtual ~FrameSequenceState() {} +}; + +class FrameSequence { +public: + /** + * Creates a FrameSequence using data from the data stream + * + * Type determined by header information in the stream + */ + static FrameSequence* create(Stream* stream); + + virtual ~FrameSequence() {} + virtual int getWidth() const = 0; + virtual int getHeight() const = 0; + virtual int getFrameCount() const = 0; + virtual bool isOpaque() const = 0; + + virtual FrameSequenceState* createState() const = 0; +}; + +#endif //RASTERMILL_FRAME_SEQUENCE_H |