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 ColorMatrixColorFilter brightIt(int fb) {
    ColorMatrix cmB = new ColorMatrix();
    cmB.set(new float[] { 1, 0, 0, 0, fb, 0, 1, 0, 0, fb, 0, 0, 1, 0, fb, 0, 0, 0, 1, 0 });

    ColorMatrix colorMatrix = new ColorMatrix();
    colorMatrix.set(cmB);/*  www  .  j a  va  2  s .com*/
    ColorMatrixColorFilter f = new ColorMatrixColorFilter(colorMatrix);
    return f;
}

From source file:Main.java

private static ColorMatrixColorFilter getBrightnessMatrixColorFilter(float brightness) {
    ColorMatrix matrix = new ColorMatrix();
    matrix.set(new float[] { 1, 0, 0, 0, brightness, 0, 1, 0, 0, brightness, 0, 0, 1, 0, brightness, 0, 0, 0, 1,
            0 });/*from w w w . j a  v a  2 s  .c o m*/
    return new ColorMatrixColorFilter(matrix);
}

From source file:Main.java

public static void changeBrightness(ImageView imageview, float brightness) {
    ColorMatrix matrix = new ColorMatrix();
    matrix.set(new float[] { 1, 0, 0, 0, brightness, 0, 1, 0, 0, brightness, 0, 0, 1, 0, brightness, 0, 0, 0, 1,
            0 });/*from   w w w .j a v a2  s  .c o m*/
    imageview.setColorFilter(new ColorMatrixColorFilter(matrix));
}

From source file:Main.java

public static void doGray(Drawable d) {
    //Make this drawable mutable.     
    //A mutable drawable is guaranteed to not share its state with any other drawable.     
    d.mutate();/*from   w  ww.ja  v a  2s. c  om*/
    ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(0);
    ColorMatrixColorFilter cf = new ColorMatrixColorFilter(cm);
    d.setColorFilter(cf);

}

From source file:Main.java

public static Bitmap toGreyBitmap(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  ww  w  .  j  a  va  2 s. com*/
    p.setColorFilter(new ColorMatrixColorFilter(cm));
    c.drawBitmap(bitmap, 0, 0, p);
    return grey;
}

From source file:Main.java

public static Bitmap getNewCombinedByPiecesAlsoGrayscaled(List<Bitmap> bitmapList, int currentStage,
        int numStages) {
    Paint paint = new Paint();
    paint.setAntiAlias(true);/*  ww  w.  ja  v a2  s  .co m*/
    ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(0);
    ColorMatrixColorFilter colorMatrixColorFilter = new ColorMatrixColorFilter(cm);
    paint.setColorFilter(colorMatrixColorFilter);

    //i mean, don't use greyscale, but add here all the functionalities to reuse the canvas
    int originalTotalWidth = bitmapList.get(0).getWidth() * numStages;
    Bitmap finalBitmap = Bitmap.createBitmap(originalTotalWidth, bitmapList.get(0).getHeight(),
            Bitmap.Config.ARGB_8888);
    float delta = 0f;
    Canvas comboImage = new Canvas(finalBitmap);
    for (int i = 0; i < numStages; i++) {
        comboImage.translate(delta, 0f);
        if (i > currentStage) {
            comboImage.drawBitmap(bitmapList.get(i), 0f, 0f, paint);
        } else {
            comboImage.drawBitmap(bitmapList.get(i), 0f, 0f, null);
        }
        delta = originalTotalWidth / numStages;
    }
    return finalBitmap;
}

From source file:Main.java

public static Bitmap handleImageEffect(Bitmap bm, float hue, float saturation, float lum) {
    Bitmap bmp = Bitmap.createBitmap(bm.getWidth(), bm.getHeight(), Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(bmp);
    Paint paint = new Paint();

    ColorMatrix hueMatrix = new ColorMatrix();
    hueMatrix.setRotate(0, hue);/*w ww.j  a v a  2  s .  com*/
    hueMatrix.setRotate(1, hue);
    hueMatrix.setRotate(2, hue);

    ColorMatrix saturationMatrix = new ColorMatrix();
    saturationMatrix.setSaturation(saturation);

    ColorMatrix lumMatrix = new ColorMatrix();
    lumMatrix.setScale(lum, lum, lum, 1);

    ColorMatrix imageMatrix = new ColorMatrix();
    imageMatrix.postConcat(hueMatrix);
    imageMatrix.postConcat(saturationMatrix);
    imageMatrix.postConcat(lumMatrix);

    paint.setColorFilter(new ColorMatrixColorFilter(imageMatrix));
    canvas.drawBitmap(bm, 0, 0, paint);
    return bmp;
}

From source file:Main.java

public static Bitmap handleColorMatrix(Bitmap bm, float[] matrixs) {
    Bitmap bitmap = Bitmap.createBitmap(bm.getWidth(), bm.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    Paint paint = new Paint();

    ColorMatrix colorMatrix = new ColorMatrix();
    colorMatrix.set(matrixs);/*ww w . j ava  2 s . c  o  m*/
    paint.setColorFilter(new ColorMatrixColorFilter(colorMatrix));

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

    return bitmap;
}

From source file:Main.java

public static Bitmap greyScale(Bitmap source) {
    int width = source.getWidth();
    int height = source.getHeight();

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

    Canvas canvas = new Canvas(bitmap);
    ColorMatrix saturation = new ColorMatrix();
    saturation.setSaturation(0f);//ww  w.  j  av a  2s .c om
    Paint paint = new Paint();
    paint.setColorFilter(new ColorMatrixColorFilter(saturation));
    canvas.drawBitmap(source, 0, 0, paint);
    source.recycle();

    if (source != bitmap) {
        source.recycle();
    }

    return bitmap;
}

From source file:Main.java

public static Bitmap setGrayscale(Bitmap source) {
    int width, height;
    height = source.getHeight();// w  ww. j  a v a  2 s  . c  om
    width = source.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(source, 0, 0, paint);
    return bmpGrayScale;
}