fbfcd56021
This CL is part I of IV (I broke down the 1280 files into 4 CLs). Review URL: https://codereview.appspot.com/6485054 git-svn-id: http://skia.googlecode.com/svn/trunk@5262 2bbb7eff-a529-9590-31e7-b0007b416f81
81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
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/*
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* Copyright 2008 The Android Open Source Project
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkMovie_DEFINED
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#define SkMovie_DEFINED
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#include "SkRefCnt.h"
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#include "SkCanvas.h"
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class SkStream;
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class SkMovie : public SkRefCnt {
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public:
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SK_DECLARE_INST_COUNT(SkMovie)
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/** Try to create a movie from the stream. If the stream format is not
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supported, return NULL.
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*/
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static SkMovie* DecodeStream(SkStream*);
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/** Try to create a movie from the specified file path. If the file is not
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found, or the format is not supported, return NULL. If a movie is
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returned, the stream may be retained by the movie (via ref()) until
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the movie is finished with it (by calling unref()).
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*/
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static SkMovie* DecodeFile(const char path[]);
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/** Try to create a movie from the specified memory.
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If the format is not supported, return NULL. If a movie is returned,
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the data will have been read or copied, and so the caller may free
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it.
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*/
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static SkMovie* DecodeMemory(const void* data, size_t length);
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SkMSec duration();
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int width();
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int height();
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int isOpaque();
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/** Specify the time code (between 0...duration) to sample a bitmap
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from the movie. Returns true if this time code generated a different
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bitmap/frame from the previous state (i.e. true means you need to
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redraw).
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*/
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bool setTime(SkMSec);
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// return the right bitmap for the current time code
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const SkBitmap& bitmap();
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protected:
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struct Info {
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SkMSec fDuration;
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int fWidth;
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int fHeight;
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bool fIsOpaque;
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};
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virtual bool onGetInfo(Info*) = 0;
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virtual bool onSetTime(SkMSec) = 0;
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virtual bool onGetBitmap(SkBitmap*) = 0;
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// visible for subclasses
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SkMovie();
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private:
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Info fInfo;
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SkMSec fCurrTime;
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SkBitmap fBitmap;
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bool fNeedBitmap;
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void ensureInfo();
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typedef SkRefCnt INHERITED;
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};
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#endif
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