Example usage for android.graphics ColorMatrix set

Introduction

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

Prototype

public void set(float[] src) 

Source Link

Document

Assign the array of floats into this matrix, copying all of its values.

Usage

From source file:Main.java

public static void setContrastTranslateOnly(ColorMatrix cm, float contrast) {
    float scale = contrast + 1.f;
    float translate = (-.5f * scale + .5f) * 255.f;
    cm.set(new float[] { 1, 0, 0, 0, translate, 0, 1, 0, 0, translate, 0, 0, 1, 0, translate, 0, 0, 0, 1, 0 });
}

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From source file:Main.java

@SuppressWarnings("deprecation")
private static Drawable getSelectedDrawable(BitmapDrawable mDrawable) {
    Bitmap srcBitmap = mDrawable.getBitmap();
    Bitmap bmp = Bitmap.createBitmap(srcBitmap.getWidth(), srcBitmap.getHeight(), Config.ARGB_8888);
    ColorMatrix cMatrix = new ColorMatrix();
    cMatrix.set(new float[] { 1, 0, 0, 0, -DRAW_DEEP, 0, 1, 0, 0, -DRAW_DEEP, 0, 0, 1, 0, -DRAW_DEEP, 0, 0, 0,
            1, 0 });//w w w  .  ja  v a 2 s  . c  om
    Paint paint = new Paint();
    paint.setColorFilter(new ColorMatrixColorFilter(cMatrix));
    Canvas canvas = new Canvas(bmp);
    canvas.drawBitmap(srcBitmap, 0, 0, paint);
    return new BitmapDrawable(bmp);
}

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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  a  v a2  s . c om

        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);

    }
}

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From source file:com.ifoer.util.NetPOSPrinter.java

public Bitmap bitmapDuiBi(Bitmap bp) {
    ColorMatrix cm = new ColorMatrix();
    Bitmap bmp = Bitmap.createBitmap(bp.getWidth(), bp.getHeight(), Config.ARGB_8888);
    cm.set(new float[] { 2.0f, 0.0f, 0.0f, 0.0f, 50.0f, 0.0f, 2.0f, 0.0f, 0.0f, 50.0f, 0.0f, 0.0f, 2.0f, 0.0f,
            50.0f, 0.0f, 0.0f, 0.0f, 2.0f, 0.0f });
    Paint paint = new Paint();
    paint.setColorFilter(new ColorMatrixColorFilter(cm));
    new Canvas(bmp).drawBitmap(bp, 0.0f, 0.0f, paint);
    return bmp;/*from  ww w. j  av a2  s .  c om*/
}

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