public class GlideCircleTransform extends BitmapTransformation {
public GlideCircleTransform(Context context) {
super(context);
}
@Override
protected Bitmap transform(BitmapPool pool, Bitmap toTransform, int outWidth, int outHeight) {
return circleCrop(pool, toTransform);
}
private Bitmap circleCrop(BitmapPool pool, Bitmap toTransform) {
if (toTransform == null) return null;
int size = Math.min(toTransform.getWidth(), toTransform.getHeight());
int x = (toTransform.getWidth() - size) / 2;
int y = (toTransform.getHeight() - size) / 2;
// TODO this could be acquired from the pool too
Bitmap squared = Bitmap.createBitmap(toTransform, x, y, size, size);
Bitmap result = pool.get(size, size, Bitmap.Config.ARGB_8888);
if (result == null) {
result = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
}
Canvas canvas = new Canvas(result);
Paint paint = new Paint();
paint.setShader(new BitmapShader(squared, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP));
paint.setAntiAlias(true);
float r = size / 2f;
canvas.drawCircle(r, r, r, paint);
return result;
}
@Override
public String getId() {
return getClass().getName();
}
}
网上都是这一个方法转换成圆形 我也是这么用 Glide.with()....加载网络的几张图片 后面几张正常了 前面好几张就是一团黑 要么是一团灰
