java - 如何在android中更改gif图片大小

Question

现在我知道如何在android中绘制GIF图片了，下面是代码:

public class GIFView extends View{        
private Movie movie;  
private InputStream is;  
private long moviestart;  
public GIFView(Context context) {  
    super(context);
    is=getResources().openRawResource(R.drawable.anim_cerca);  
    movie=Movie.decodeStream(is);
}  

@Override  
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    long now=android.os.SystemClock.uptimeMillis();  

    if (moviestart == 0) 
        moviestart = now;  

    int relTime = (int)((now - moviestart) % movie.duration());
    movie.setTime(relTime);
    movie.draw(canvas,10,10);
    this.invalidate();
}  

最后是movie.draw(canvas,x,y)代码，其中x和y是gif图片的坐标(x=left,y=top) .但是我怎么能改变电影的宽度和高度呢？也许给出右侧和底部坐标，但是如何，在哪里？谢谢!

Answer 1

我遇到了同样的问题，这是我的解决方案， 在ondraw方法中添加这段代码在movie.draw之前

 canvas.scale((float)this.getWidth() / (float)movie.width(),(float)this.getHeight() /      (float)movie.height());

或

canvas.scale(1.9f, 1.21f);//this changes according to screen size