Android/XixunPlayer/app/src/main/java/com/xixun/xixunplayer/SrcCopy.java
2024-01-24 20:17:59 +08:00

42 lines
1.0 KiB
Java

package com.xixun.xixunplayer;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.graphics.RectF;
import android.view.Choreographer;
import android.view.SurfaceView;
import android.view.View;
import androidx.annotation.NonNull;
public class SrcCopy extends View {
View view;
float scaleX = 1, scaleY = 1;
public SrcCopy(Context context, View view) {
super(context);
this.view = view;
}
@Override
protected void onDraw(@NonNull Canvas canvas) {
super.onDraw(canvas);
if(view==null) return;
if(scaleX==0) {
if(view.getWidth()!=0&&getWidth()!=0) {
scaleX = getWidth() / (float) view.getWidth();
scaleY = getHeight() / (float) view.getHeight();
} else {
invalidate();
return;
}
}
if(scaleX!=1 || scaleY!=1) canvas.scale(scaleX, scaleY);
view.draw(canvas);
invalidate();
}
}