Android Bitmap Color Change createAnaglyphBitmap(Bitmap bitmap)

Description

create Anaglyph Bitmap

License

Apache License

Declaration

public static Bitmap createAnaglyphBitmap(Bitmap bitmap) 

Method Source Code

//package com.java2s;
/*/* w w  w. j a v a2 s .c om*/
 * Copyright (C) 2011 HTC Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.BitmapFactory;
import android.graphics.BitmapShader;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.PorterDuff.Mode;
import android.graphics.PorterDuffColorFilter;
import android.graphics.PorterDuffXfermode;
import android.graphics.Shader.TileMode;

public class Main {
    public static Bitmap createAnaglyphBitmap(Bitmap bitmap) {

        int width = bitmap.getWidth();
        int height = bitmap.getHeight();

        float scaleWidth = 2f;
        float scaleHeight = 1f;

        Matrix matrix = new Matrix();
        matrix.postScale(scaleWidth, scaleHeight);

        // extract images by cropping and scaling with matrix
        Bitmap leftBitmap = Bitmap.createBitmap(bitmap, 0, 0, width / 2,
                height, matrix, true);
        Bitmap rightBitmap = Bitmap.createBitmap(bitmap, width / 2, 0,
                width / 2, height, matrix, true);
        bitmap.recycle();

        // create result bitmap
        BitmapFactory.Options opt = new BitmapFactory.Options();
        opt.inPreferredConfig = Config.ARGB_8888;
        Bitmap result = Bitmap
                .createBitmap(width, height, Config.ARGB_8888);
        result.eraseColor(Color.BLACK);

        // paint the left and right images onto canvas using red and cyan color
        // filters
        Paint red = new Paint();
        red.setShader(new BitmapShader(leftBitmap, TileMode.CLAMP,
                TileMode.CLAMP));
        red.setColorFilter(new PorterDuffColorFilter(Color.rgb(200, 0, 0),
                Mode.MULTIPLY));
        red.setXfermode(new PorterDuffXfermode(Mode.SCREEN));

        Paint cyan = new Paint();
        cyan.setShader(new BitmapShader(rightBitmap, TileMode.CLAMP,
                TileMode.CLAMP));
        cyan.setColorFilter(new PorterDuffColorFilter(Color
                .rgb(0, 200, 200), Mode.MULTIPLY));
        cyan.setXfermode(new PorterDuffXfermode(Mode.SCREEN));

        // use result bitmap for the canvas to draw into
        Canvas c = new Canvas(result);
        c.drawRect(0, 0, width, height, red);
        c.drawRect(0, 0, width, height, cyan);
        leftBitmap.recycle();
        rightBitmap.recycle();

        return result;
    }
}

Related

1. adjustedContrast(Bitmap src, double value)
2. boost(Bitmap src)
3. brightness(Bitmap src, int value)
4. changeHue(Bitmap bmp, int hue, int width, int height)
5. createSaturatedBitmap(final Bitmap bitmap)
6. dilate(Bitmap bitmap, int[][] se)
7. dilate(Bitmap source, Bitmap target, int[][] se)
8. doBrightness(Bitmap src, int value)