2011-01-06 227 views

回答

3

如果覆蓋兩張圖像,則可以這樣做。假設BMP1是大(被保護),和BMP2是標記:

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定義標記的位置。