Created
December 1, 2016 07:51
-
-
Save allenatwork/3012246a39628df134e947dbb259f3e5 to your computer and use it in GitHub Desktop.
Blue Image
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package allen.blurimage; | |
import android.content.Context; | |
import android.graphics.Bitmap; | |
import android.renderscript.Allocation; | |
import android.renderscript.Element; | |
import android.renderscript.RenderScript; | |
import android.renderscript.ScriptIntrinsicBlur; | |
/** | |
* Created by Allen on 01-Dec-16. | |
*/ | |
public class BlurBuilder { | |
private static final String url = "http://i.imgur.com/QIkGoEp.jpg"; | |
private static final float BITMAP_SCALE = 0.5f; | |
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 theIntrinsic = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs)); | |
Allocation tmpIn = Allocation.createFromBitmap(rs, inputBitmap); | |
Allocation tmpOut = Allocation.createFromBitmap(rs, outputBitmap); | |
theIntrinsic.setRadius(BLUR_RADIUS); | |
theIntrinsic.setInput(tmpIn); | |
theIntrinsic.forEach(tmpOut); | |
tmpOut.copyTo(outputBitmap); | |
return outputBitmap; | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
android { | |
defaultConfig { | |
renderscriptTargetApi 19 | |
renderscriptSupportModeEnabled true | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment