clip Bitmap Circular - Android android.graphics

Android examples for android.graphics:Bitmap Operation

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  3. android.graphics
  4. Bitmap Operation

Description

clip Bitmap Circular

Demo Code


//package com.java2s;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Path;
import android.graphics.Rect;

public class Main {
    public static Bitmap clipBitmapCircular(Bitmap sourceBitmap, float w,
            float h) {
        Bitmap targetBitmap = Bitmap.createBitmap((int) w, (int) h,
                Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(targetBitmap);
        Path path = new Path();
        path.addCircle((w - 1) / 2f, (h - 1) / 2f, Math.min(w, h) / 2f,
                Path.Direction.CCW);
        canvas.clipPath(path);/*from   w w  w .java2  s. co m*/
        canvas.drawBitmap(
                sourceBitmap,
                new Rect(0, 0, sourceBitmap.getWidth(), sourceBitmap
                        .getHeight()), new Rect(0, 0, (int) w, (int) h),
                null);
        return targetBitmap;
    }
}

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