如何转换LayerDrawable为位图？ [英] How to convert LayerDrawable to Bitmap?

问题描述

我使用的为Android（这里的通用图像装载机是链接）

I'm using the Universal Image Loader for Android (here is the link)

我需要从一个URL加载图像并叠加到另一个图像。该库不能在默认情况下做到这一点，所以我试图改变它。
问题是，现在我需要一个LayerDrawable转换为位图。我该怎么做？

I need to to load an Image from a URL and overlay it to another image. The library can not do it by default, so I'm try to change it. The problem is that now I need to convert a LayerDrawable to Bitmap. How can I do that?

推荐答案

只需绘制它是由一个位图支持的画布。

Just draw it on a Canvas which is backed by a Bitmap.

int width = drawable.getIntrinsicWidth();
int height = drawable.getIntrinsicHeight();
Bitmap bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap); 
drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
drawable.draw(canvas);

这篇关于如何转换LayerDrawable为位图？的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！