How can crop rectangle area?

android canvas android-camera crop android-camera-intent
Adnan KA picture Adnan KA · Jul 27, 2015 · Viewed 7.3k times · Source

Hi i am working on android application to detect page number using camera preview. After I received frame I draw a rectangle on surface view Using Canvas and I want to crop the rectangle area to put it in a bitmap, so please how can I do it ?as shown here

Answer

Bajji picture Bajji · Jul 27, 2015

If you have the bitmap of the frame, you can use

Bitmap croppedBmp = Bitmap.createBitmap(originalBmp, rectanglePositionX, rectanglePositionY, rectangleWidth, rectangleHeight);

Assuming you know where your rectangle is positioned and its dimensions.

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