无法在一个imageview中设置多个位图

时间:2014-02-06 11:01:39

标签: android bitmap drawable

这是我的活动,我正在接收位图并制作多个位图并在一个图像视图中显示 我在图像视图中获取多张图像但未正确设置请帮助我?

        private Bitmap Final_Murge_Bitmap() 
        {  
        Murge_Bitmap = null;
        try {

        Murge_Bitmap = Bitmap.createBitmap(500, 500, Bitmap.Config.ARGB_8888);
        Canvas c = new Canvas(Murge_Bitmap);
        c.drawBitmap(Murge_Bitmap, 0, 0, null);
        Drawable drawable1 = new BitmapDrawable(Bitmap_recieve);
        Drawable drawable2 = new BitmapDrawable(Bitmap_recieve);
        Drawable drawable3 = new BitmapDrawable(Bitmap_recieve);
        Drawable drawable4 = new BitmapDrawable(Bitmap_recieve);
        Drawable drawable5 = new BitmapDrawable(Bitmap_recieve);
        Drawable drawable6 = new BitmapDrawable(Bitmap_recieve);
        Drawable drawable7 = new BitmapDrawable(Bitmap_recieve);
        Drawable drawable8 = new BitmapDrawable(Bitmap_recieve);

        drawable1.setBounds(220, 220, 501, 501);
        drawable2.setBounds(330, 330, 400, 400);
        drawable3.setBounds(160, 150, 200, 200);
        drawable4.setBounds(140, 120, 200, 200);
        drawable5.setBounds(120, 100, 400, 400);
        drawable6.setBounds(100, 80, 500, 500);
        drawable7.setBounds(80, 70, 200, 200);
        drawable8.setBounds(60, 60, 200, 200);

        drawable1.draw(c);
        drawable2.draw(c);
        drawable3.draw(c);
        drawable4.draw(c);
        drawable5.draw(c);
        drawable6.draw(c);
        drawable7.draw(c);
        drawable8.draw(c);

    } catch (Exception e)
    {
    }
    return Murge_Bitmap;
    }}

2 个答案:

答案 0 :(得分:1)

您可以执行以下操作:

public Bitmap drawMultipleBitmapsOnImageView(Bitmap b) {
        Bitmap drawnBitmap = null;

        try {
            drawnBitmap = Bitmap.createBitmap(400, 400, Config.ARGB_8888);

            Canvas canvas = new Canvas(drawnBitmap);
                     // JUST CHANGE TO DIFFERENT Bitmaps and coordinates .
            canvas.drawBitmap(b, 100, 100, null);
            canvas.drawBitmap(b, 200, 300, null);
            canvas.drawBitmap(b, 100, 200, null);
            canvas.drawBitmap(b, 300, 350, null);

        } catch (Exception e) {
            e.printStackTrace();
        }
        return drawnBitmap;
    }

您可以像下面这样调用此方法:

ImageView myImageView = (ImageView) findViewById(R.id.myImageView);
        Bitmap bitmap = ((BitmapDrawable) myImageView.getDrawable())
                .getBitmap();
        Bitmap b = drawMultipleBitmapsOnImageView(bitmap);

        myImageView.setImageBitmap(b);

请给我一些反馈。

希望有所帮助。

答案 1 :(得分:0)

您可以像已经说过的那样绘制所有内容,也可以使用这些BitmapDrawables创建LayerDrawable。它更容易并且消耗更少的内存,所以如果你可以用它实现你想要的,那就去做吧。

private LayerDrawable createLayerDrawable() {
      Drawable layers = new Drawable[4];
      layers[0] = murge_drawable; // converted from Murge_Bitmap
      layers[1] = drawable1;
      layers[2] = drawable2;
      layers[3] = drawable3;
      // ...
      return new LayerDrawable(layers);
}

imageview.setImageDrawable(getLayerDrawable());
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