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Android Studio Blur Specific Area of Image Given Coordinates of the Area to be Blurred

.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty height:90px;width:728px;box-sizing:border-box;

0

I am trying to blur a specific part of an image according to some given coordinates. These coordinates make up a rectangle on the image, I want to blur this specific area on the image. I understand that RenderScript is the best way of achieving this but I have not been able to blur a specific area, only the whole image.

This is the code I have right now which blurs the entire image.

 int widthBlur = Math.round(image.getWidth() * BITMAP_SCALE);
 int heightBlur = Math.round(image.getHeight() * BITMAP_SCALE);

 Bitmap inputBitmap = Bitmap.createScaledBitmap(image, widthBlur, heightBlur, false);
 Bitmap outputBitmap = Bitmap.createBitmap(inputBitmap);

 RenderScript rs = RenderScript.create(this);
 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;

At the moment I am not using x1, x2, y1 and y2 but these are the coordinates I have on the image which gives the rectangle on the image I want to blur. (x2-x1 gives width of rectangle and y2-y1 gives height of rectangle).

android renderscript android-renderscript android-blur-effect

share|improve this question

edited Mar 8 at 16:15

Zoe

13.6k85486

asked Mar 8 at 16:06

Jaymin ShahJaymin Shah

11

add a comment | 

0

I am trying to blur a specific part of an image according to some given coordinates. These coordinates make up a rectangle on the image, I want to blur this specific area on the image. I understand that RenderScript is the best way of achieving this but I have not been able to blur a specific area, only the whole image.

This is the code I have right now which blurs the entire image.

 int widthBlur = Math.round(image.getWidth() * BITMAP_SCALE);
 int heightBlur = Math.round(image.getHeight() * BITMAP_SCALE);

 Bitmap inputBitmap = Bitmap.createScaledBitmap(image, widthBlur, heightBlur, false);
 Bitmap outputBitmap = Bitmap.createBitmap(inputBitmap);

 RenderScript rs = RenderScript.create(this);
 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;

At the moment I am not using x1, x2, y1 and y2 but these are the coordinates I have on the image which gives the rectangle on the image I want to blur. (x2-x1 gives width of rectangle and y2-y1 gives height of rectangle).

android renderscript android-renderscript android-blur-effect

share|improve this question

edited Mar 8 at 16:15

Zoe

13.6k85486

asked Mar 8 at 16:06

Jaymin ShahJaymin Shah

11

add a comment | 

I am trying to blur a specific part of an image according to some given coordinates. These coordinates make up a rectangle on the image, I want to blur this specific area on the image. I understand that RenderScript is the best way of achieving this but I have not been able to blur a specific area, only the whole image.

This is the code I have right now which blurs the entire image.

 int widthBlur = Math.round(image.getWidth() * BITMAP_SCALE);
 int heightBlur = Math.round(image.getHeight() * BITMAP_SCALE);

 Bitmap inputBitmap = Bitmap.createScaledBitmap(image, widthBlur, heightBlur, false);
 Bitmap outputBitmap = Bitmap.createBitmap(inputBitmap);

 RenderScript rs = RenderScript.create(this);
 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;

At the moment I am not using x1, x2, y1 and y2 but these are the coordinates I have on the image which gives the rectangle on the image I want to blur. (x2-x1 gives width of rectangle and y2-y1 gives height of rectangle).

android renderscript android-renderscript android-blur-effect

share|improve this question

edited Mar 8 at 16:15

Zoe

13.6k85486

asked Mar 8 at 16:06

Jaymin ShahJaymin Shah

11

 int widthBlur = Math.round(image.getWidth() * BITMAP_SCALE);
 int heightBlur = Math.round(image.getHeight() * BITMAP_SCALE);

 Bitmap inputBitmap = Bitmap.createScaledBitmap(image, widthBlur, heightBlur, false);
 Bitmap outputBitmap = Bitmap.createBitmap(inputBitmap);

 RenderScript rs = RenderScript.create(this);
 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;

android renderscript android-renderscript android-blur-effect

android renderscript android-renderscript android-blur-effect

share|improve this question

edited Mar 8 at 16:15

Zoe

13.6k85486

asked Mar 8 at 16:06

Jaymin ShahJaymin Shah

11

share|improve this question

edited Mar 8 at 16:15

Zoe

13.6k85486

asked Mar 8 at 16:06

Jaymin ShahJaymin Shah

11

edited Mar 8 at 16:15

Zoe

13.6k85486

edited Mar 8 at 16:15

Zoe

13.6k85486

asked Mar 8 at 16:06

Jaymin ShahJaymin Shah

11

asked Mar 8 at 16:06

Jaymin ShahJaymin Shah

11