2011-01-06 120 views

回答

3

如果覆盖两张图像,则可以这样做。假设BMP1是大(被保护),和BMP2是标记:

private Bitmap overlayMark(Bitmap bmp1, Bitmap bmp2) 
{ 
    Bitmap bmOverlay = Bitmap.createBitmap(bmp1.getWidth(), bmp1.getHeight(), bmp1.getConfig()); 
    Canvas canvas = new Canvas(bmOverlay); 
    canvas.drawBitmap(bmp1, 0, 0, null); 
    canvas.drawBitmap(bmp2, distanceLeft, distanceTop, null); 
    return bmOverlay; 
} 

distanceLeftdistanceTop定义标记的位置。