位图到大

Question

可能重复:
"位图太大而无法上传到纹理中"

我正在使用相机拍照,然后我将图片保存在SD卡上,然后使用

Bitmap bm = BitmapFactory.decodeFile(path);

要获得位图,那么

imageView.setImageBitmap(bm); 设置它.

但是当我把它放到我的视野中使用时

mFrameLayout.addView(imageView); 没有显示图像,我回来了 Bitmap to large to be uploaded into texture

位图是 1944 high, 2592 wide

有什么想法吗？

I am using a tablet, 10.1 inches, acer iconia, a500, running ics.

Answer 1

尝试这个

public static Bitmap decodeFile(File f,int WIDTH,int HIGHT){
        try {
            //Decode image size
            BitmapFactory.Options o = new BitmapFactory.Options();
            o.inJustDecodeBounds = true;
            BitmapFactory.decodeStream(new FileInputStream(f),null,o);

            //The new size we want to scale to
            final int REQUIRED_WIDTH=WIDTH;
            final int REQUIRED_HIGHT=HIGHT;
            //Find the correct scale value. It should be the power of 2.
            int scale=1;
            while(o.outWidth/scale/2>=REQUIRED_WIDTH && o.outHeight/scale/2>=REQUIRED_HIGHT)
                scale*=2;

            //Decode with inSampleSize
            BitmapFactory.Options o2 = new BitmapFactory.Options();
            o2.inSampleSize=scale;
            return BitmapFactory.decodeStream(new FileInputStream(f), null, o2);
        }
            catch (FileNotFoundException e) {}
        return null;
    }

这将根据您传递的宽度和高度缩放位图