QMUIRadiusImageView.java 文件源码

private Bitmap getBitmap() {
    Drawable drawable = getDrawable();
    if (drawable == null) {
        return null;
    }

    if (drawable instanceof BitmapDrawable) {
        return ((BitmapDrawable) drawable).getBitmap();
    }

    try {
        Bitmap bitmap;

        if (drawable instanceof ColorDrawable) {
            bitmap = Bitmap.createBitmap(COLOR_DRAWABLE_DIMEN, COLOR_DRAWABLE_DIMEN, BITMAP_CONFIG);
        } else {
            bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), BITMAP_CONFIG);
        }

        Canvas canvas = new Canvas(bitmap);
        drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
        drawable.draw(canvas);
        return bitmap;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}