public class BlurBitmap {
private static final float BITMAP_SCALE = 0.4f;
private static final float BLUR_RADIUS = 25f;
public static Bitmap blur(Context context, Bitmap image) {
int width = Math.round(image.getWidth() * BITMAP_SCALE);
int height = Math.round(image.getHeight() * BITMAP_SCALE);
Bitmap inputBitmap = Bitmap.createScaledBitmap(image, width, height, false);
Bitmap outputBitmap = Bitmap.createBitmap(inputBitmap);
RenderScript rs = RenderScript.create(context);
ScriptIntrinsicBlur blurScript = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));
Allocation tmpIn = Allocation.createFromBitmap(rs, inputBitmap);
Allocation tmpOut = Allocation.createFromBitmap(rs, outputBitmap);
blurScript.setRadius(BLUR_RADIUS);
blurScript.setInput(tmpIn);
blurScript.forEach(tmpOut);
tmpOut.copyTo(outputBitmap);
return outputBitmap;
}
}
//compile 'com.github.mmin18:realtimeblurview:1.1.0' //
//compile 'com.qiushui:blurredview:0.8.1'