Example usage for android.graphics ColorMatrix ColorMatrix

Introduction

In this page you can find the example usage for android.graphics ColorMatrix ColorMatrix.

Prototype

public ColorMatrix()

Source Link

Document

Create a new colormatrix initialized to identity (as if reset() had been called).

Usage

From source file:Main.java

public static Bitmap toGrayscale(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();//from  w  ww  .j  av a 2  s  .  c  o m
    width = bmpOriginal.getWidth();
    Bitmap bmpGrayscale = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas c = new Canvas(bmpGrayscale);
    Paint paint = new Paint();
    ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(0);
    ColorMatrixColorFilter f = new ColorMatrixColorFilter(cm);
    paint.setColorFilter(f);
    c.drawBitmap(bmpOriginal, 0, 0, paint);
    return bmpGrayscale;
}

From source file:Main.java

public static Bitmap toSepia(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();//from ww w  .  jav  a  2 s.c o m
    width = bmpOriginal.getWidth();

    Bitmap bmpGrayscale = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
    Canvas c = new Canvas(bmpGrayscale);
    Paint paint = new Paint();

    ColorMatrix grMatrix = new ColorMatrix();
    grMatrix.setSaturation(0);

    ColorMatrix scMatrix = new ColorMatrix();
    scMatrix.setScale(1f, .85f, .72f, 1.0f);
    grMatrix.setConcat(scMatrix, grMatrix);

    ColorMatrixColorFilter f = new ColorMatrixColorFilter(grMatrix);
    paint.setColorFilter(f);
    c.drawBitmap(bmpOriginal, 0, 0, paint);
    return bmpGrayscale;
}

From source file:Main.java

public static Bitmap getSaturationBitmap(Bitmap bitmap) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    Bitmap faceIconGreyBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(faceIconGreyBitmap);
    Paint paint = new Paint();
    ColorMatrix colorMatrix = new ColorMatrix();
    colorMatrix.setSaturation(0);/*from w  w w.jav a  2  s . com*/
    ColorMatrixColorFilter colorMatrixFilter = new ColorMatrixColorFilter(colorMatrix);
    paint.setColorFilter(colorMatrixFilter);
    canvas.drawBitmap(bitmap, 0, 0, paint);
    return faceIconGreyBitmap;
}

From source file:Main.java

public static final Bitmap grey(Bitmap bitmap) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();

    Bitmap faceIconGreyBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(faceIconGreyBitmap);
    Paint paint = new Paint();
    ColorMatrix colorMatrix = new ColorMatrix();
    colorMatrix.setSaturation(0);//from ww  w.  j  ava 2s  .  co m
    ColorMatrixColorFilter colorMatrixFilter = new ColorMatrixColorFilter(colorMatrix);
    paint.setColorFilter(colorMatrixFilter);
    canvas.drawBitmap(bitmap, 0, 0, paint);
    return faceIconGreyBitmap;
}

From source file:Main.java

public static Bitmap convertGrayscale(final Bitmap source) {
    final int width = source.getWidth();
    final int height = source.getHeight();
    final Bitmap output = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(output);
    final Paint paint = new Paint();
    final ColorMatrix matrix = new ColorMatrix();
    matrix.setSaturation(0f);/*from ww  w  . j a v a 2 s .c o m*/
    paint.setColorFilter(new ColorMatrixColorFilter(matrix));
    canvas.drawBitmap(source, 0, 0, paint);
    return output;
}

From source file:Main.java

public static final Bitmap grey(Bitmap bitmap) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    Bitmap greyBitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    Canvas canvas = new Canvas(greyBitmap);
    Paint paint = new Paint();
    ColorMatrix colorMatrix = new ColorMatrix();
    colorMatrix.setSaturation(0);//from w ww . j  ava2  s  .com
    ColorMatrixColorFilter colorMatrixFilter = new ColorMatrixColorFilter(colorMatrix);
    paint.setColorFilter(colorMatrixFilter);
    canvas.drawBitmap(bitmap, 0, 0, paint);
    return greyBitmap;
}

From source file:Main.java

public static Bitmap revertImage(Bitmap bm) {
    Bitmap bitmap = Bitmap.createBitmap(bm.getWidth(), bm.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    Paint paint = new Paint();

    float[] matrixs = new float[] { -1, 0, 0, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1, 1, 1, 0, 0, 0, 1, 0 };

    ColorMatrix colorMatrix = new ColorMatrix();
    colorMatrix.set(matrixs);// w  ww.  j a v  a2s.  co m
    paint.setColorFilter(new ColorMatrixColorFilter(colorMatrix));

    canvas.drawBitmap(bm, 0, 0, paint);

    return bitmap;
}

From source file:Main.java

public static Bitmap toGrey(Bitmap bitmap) {
    Bitmap grey = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas c = new Canvas(grey);
    Paint p = new Paint();
    ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(0);//from   w  ww .j a va  2 s  .  c  o  m
    p.setColorFilter(new ColorMatrixColorFilter(cm));
    c.drawBitmap(bitmap, 0, 0, p);
    return grey;
}

From source file:Main.java

public static Bitmap desaturateImage(Bitmap bm) {
    Bitmap bitmap = Bitmap.createBitmap(bm.getWidth(), bm.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    Paint paint = new Paint();

    float[] matrixs = new float[] { 1.5f, 1.5f, 1.5f, 0, -1, 1.5f, 1.5f, 1.5f, 0, -1, 1.5f, 1.5f, 1.5f, 0, -1,
            0, 0, 0, 1, 0 };/*from   ww w.j  av  a  2  s  .c o m*/

    ColorMatrix colorMatrix = new ColorMatrix();
    colorMatrix.set(matrixs);
    paint.setColorFilter(new ColorMatrixColorFilter(colorMatrix));

    canvas.drawBitmap(bm, 0, 0, paint);

    return bitmap;
}

From source file:Main.java

public static Bitmap generateGrayImage(Bitmap bm) {
    Bitmap bitmap = Bitmap.createBitmap(bm.getWidth(), bm.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    Paint paint = new Paint();

    float[] matrixs = new float[] { 0.33f, 0.59f, 0.11f, 0, 0, 0.33f, 0.59f, 0.11f, 0, 0, 0.33f, 0.59f, 0.11f,
            0, 0, 0, 0, 0, 1, 0 };//from www  .java2s  .  c  o m

    ColorMatrix colorMatrix = new ColorMatrix();
    colorMatrix.set(matrixs);
    paint.setColorFilter(new ColorMatrixColorFilter(colorMatrix));

    canvas.drawBitmap(bm, 0, 0, paint);

    return bitmap;
}