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 memoriesImage(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[] { 0.393f, 0.769f, 0.189f, 0, 0, 0.349f, 0.686f, 0.168f, 0, 0, 0.272f, 0.534f,
            0.134f, 0, 0, 0, 0, 0, 1, 0 };

    ColorMatrix colorMatrix = new ColorMatrix();
    colorMatrix.set(matrixs);//from   w w w  .j  a v  a  2  s . c om
    paint.setColorFilter(new ColorMatrixColorFilter(colorMatrix));

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

    return bitmap;
}

From source file:Main.java

public static Bitmap highSaturationImage(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[] { 1.438f, -0.122f, -0.016f, 0, -0.03f, -0.062f, 1.378f, -0.016f, 0, 0.05f,
            -0.062f, -0.122f, 1.438f, 0, -0.02f, 0, 0, 0, 1, 0 };

    ColorMatrix colorMatrix = new ColorMatrix();
    colorMatrix.set(matrixs);// w w  w  .ja va  2s. c o  m
    paint.setColorFilter(new ColorMatrixColorFilter(colorMatrix));

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

    return bitmap;
}

From source file:Main.java

public static Drawable toGreyDrawable(Drawable drawable) {
    int w = drawable.getMinimumWidth();
    int h = drawable.getMinimumHeight();
    if (w <= 0 || h <= 0) {
        return drawable;
    }/*from w w  w . j  a va  2s.  c om*/
    Rect bounds = drawable.getBounds();
    Bitmap grey = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
    Canvas c = new Canvas(grey);
    ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(0);
    drawable.setColorFilter(new ColorMatrixColorFilter(cm));
    drawable.setBounds(0, 0, w, h);
    drawable.draw(c);
    drawable.clearColorFilter();
    drawable.setBounds(bounds);
    BitmapDrawable bd = new BitmapDrawable(grey);
    bd.setBounds(0, 0, w, h);
    return bd;
}

From source file:Main.java

/**
 * Method to remove color in a Bitmap, creating a gray scale image.
 *
 * @param bmpOriginal The original Bitmap.
 * @return The gray scale Bitmap./*ww w .  j a  v a  2s  . com*/
 */
public static Bitmap toGrayscale(Bitmap bmpOriginal) {
    Bitmap bmpGrayscale = Bitmap.createBitmap(bmpOriginal.getWidth(), bmpOriginal.getHeight(),
            Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(bmpGrayscale);
    Paint paint = new Paint();
    paint.setAntiAlias(true);
    ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(0);
    ColorMatrixColorFilter colorMatrixColorFilter = new ColorMatrixColorFilter(cm);
    paint.setColorFilter(colorMatrixColorFilter);
    canvas.drawBitmap(bmpOriginal, 0, 0, paint);

    return bmpGrayscale;
}

From source file:Main.java

public static ColorMatrixColorFilter createCcf(int r, int g, int b) {
    ColorMatrix cm = new ColorMatrix();
    cm.set(new float[] { 1, 0, 0, 0, r, 0, 1, 0, 0, g, 0, 0, 1, 0, b, 0, 0, 0, 1, 0 }); // last line is antialias
    return new ColorMatrixColorFilter(cm);
}

From source file:Main.java

public static Bitmap toGrayscale(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();/*from w  w w  . java2  s  . com*/
    width = bmpOriginal.getWidth();

    Bitmap bmpGrayscale = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
    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

/**
 * Convert bitmap to the grayscale/*www  .  ja  v a2 s.  co m*/
 * http://androidsnippets.com/convert-bitmap-to-grayscale
 *
 * @param bmpOriginal Original bitmap
 * @return Grayscale bitmap
 */
public static Bitmap toGrayscale(Bitmap bmpOriginal) {
    final int height = bmpOriginal.getHeight();
    final int width = bmpOriginal.getWidth();

    final Bitmap bmpGrayscale = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    final Canvas c = new Canvas(bmpGrayscale);
    final Paint paint = new Paint();
    final ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(0);
    final ColorMatrixColorFilter f = new ColorMatrixColorFilter(cm);
    paint.setColorFilter(f);
    c.drawBitmap(bmpOriginal, 0, 0, paint);
    return bmpGrayscale;
}

From source file:Main.java

static public void setImageColor(ImageView view, Bitmap sourceBitmap, int rgbcolor)// ,Bitmap sourceBitmap)
{
    if (sourceBitmap != null) {
        float R = Color.red(rgbcolor);
        float G = Color.green(rgbcolor);
        float B = Color.blue(rgbcolor);

        Log.v("R:G:B", R + ":" + G + ":" + B); //

        float[] colorTransform = { R / 255f, 0, 0, 0, 0, // R color
                0, G / 255f, 0, 0, 0 // G color
                , 0, 0, B / 255f, 0, 0 // B color
                , 0, 0, 0, 1f, 0f };//from   ww w.  j av  a 2s  . c o m

        ColorMatrix colorMatrix = new ColorMatrix();
        colorMatrix.setSaturation(0f); // Remove Colour

        colorMatrix.set(colorTransform);
        ColorMatrixColorFilter colorFilter = new ColorMatrixColorFilter(colorMatrix);
        Paint paint = new Paint();
        paint.setColorFilter(colorFilter);

        Bitmap mutableBitmap = sourceBitmap.copy(Bitmap.Config.ARGB_8888, true);
        view.setImageBitmap(mutableBitmap);
        Canvas canvas = new Canvas(mutableBitmap);
        canvas.drawBitmap(mutableBitmap, 0, 0, paint);

    }
}

From source file:Main.java

public static Bitmap setSaturation(Bitmap srcBitmap, float sat) {
    Bitmap bitmap = Bitmap.createBitmap(srcBitmap);
    ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(sat);/*  ww w. jav a  2 s .  c o  m*/
    Paint paint = new Paint();
    paint.setColorFilter(new ColorMatrixColorFilter(cm));
    Canvas canvas = new Canvas(bitmap);
    canvas.drawBitmap(srcBitmap, 0, 0, paint);
    return bitmap;
}

From source file:Main.java

public static Bitmap toGrayscale(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();/*from w w w  .j av  a2  s. c om*/
    width = bmpOriginal.getWidth();
    try {
        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;
    } catch (OutOfMemoryError e) {
        return bmpOriginal;
    }
}