CircleImageView.java 文件源码

/**
 * drawable转bitmap
 *处理不同情况下的图片显示
 * @param drawable
 * @return
 */
private Bitmap drawable2Bitmap(Drawable drawable) {
    int w = drawable.getIntrinsicWidth();
    int h = drawable.getIntrinsicHeight();
    Bitmap bitmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    canvas.setDrawFilter(new PaintFlagsDrawFilter(0, Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG));
    drawable.setBounds(0, 0, w, h);
    if ((w >= h) && CropType.centerTop.equals(cropType)) {
        canvas.translate((h - w) * 0.5F, 0);
    } else if ((w >= h) && CropType.center.equals(cropType)) {
        canvas.translate((h - w) * 0.5F, 0);
    } else if ((w < h) && CropType.center.equals(cropType)) {
        canvas.translate(0, (w - h) * 0.5F);
    }
    drawable.draw(canvas);
    return bitmap;
}