Example usage for android.graphics Paint Paint

Introduction

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

Prototype

public Paint()

Source Link

Document

Create a new paint with default settings.

Usage

From source file:Main.java

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

    Paint paint = new Paint();
    paint.setAntiAlias(true);//from w w w . ja v a  2s .c  om
    paint.setColor(Color.WHITE);

    Bitmap clipped = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    Canvas canvas = new Canvas(clipped);
    final float radius = width > height ? height / 2 : width / 2;
    canvas.drawCircle(width / 2, height / 2, radius, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN));

    Bitmap rounded = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    canvas = new Canvas(rounded);
    canvas.drawBitmap(source, 0, 0, null);
    canvas.drawBitmap(clipped, 0, 0, paint);

    source.recycle();
    clipped.recycle();

    return rounded;
}

From source file:Main.java

public static Bitmap setGrayscale(Bitmap source) {
    int width, height;
    height = source.getHeight();//from www . j av  a  2  s . com
    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;
}

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, float ratio) {

    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);

    paint.setAntiAlias(true);/*  w  ww  .  j  av a 2 s .c  o m*/
    canvas.drawARGB(0, 0, 0, 0);
    canvas.drawRoundRect(rectF, bitmap.getWidth() / ratio, bitmap.getHeight() / ratio, paint);

    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    return output;
}

From source file:Main.java

public static Bitmap toGrayscale(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();//from   w w  w . j  a  va  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 toOvalBitmap(Bitmap bitmap) {
    Bitmap output = Bitmap.createBitmap(bitmap.getHeight(), bitmap.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    Paint paint = new Paint();
    paint.setAntiAlias(true);/*from   w w  w  .  ja v  a 2s  .c  o m*/
    Rect rect = new Rect(0, 0, bitmap.getHeight(), bitmap.getHeight());
    RectF rectF = new RectF(rect);

    canvas.drawOval(rectF, paint);
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rectF, paint);
    return output;
}

From source file:Main.java

public static Bitmap toSepia(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();/* w  w w. j  a v  a2  s  .co  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 roundCorners(final Bitmap source, final float radius) {
    int width = source.getWidth();
    int height = source.getHeight();

    Paint paint = new Paint();
    paint.setAntiAlias(true);/*  ww  w.  j  a  va 2 s .com*/
    paint.setColor(Color.WHITE);

    Bitmap clipped = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    Canvas canvas = new Canvas(clipped);
    canvas.drawRoundRect(new RectF(0, 0, width, height), radius, radius, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN));

    Bitmap rounded = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    canvas = new Canvas(rounded);
    canvas.drawBitmap(source, 0, 0, null);
    canvas.drawBitmap(clipped, 0, 0, paint);

    source.recycle();
    clipped.recycle();

    return rounded;
}

From source file:Main.java

public static Bitmap toRoundCorner(Bitmap bitmap, int pixels) {
    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);
    final float roundPx = pixels;
    paint.setAntiAlias(true);//  w  ww . ja v  a2  s  .  co m
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    return output;
}

From source file:Main.java

public static Bitmap setBrightness(Bitmap srcBitmap, int brightness) {
    Bitmap bitmap = Bitmap.createBitmap(srcBitmap);
    ColorMatrix cm = new ColorMatrix(new float[] { 1, 0, 0, 0, brightness, 0, 1, 0, 0, brightness, 0, 0, 1, 0,
            brightness, 0, 0, 0, 1, 0 });
    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

/**
 * Draw the face rect in the Image//from  ww w.ja v a2 s  .  co  m
 * @param canvas
 * @param face
 * @param width
 * @param height
 * @param frontCamera
 */
static public void drawFaceRect(Canvas canvas, Rect rect, int width, int height, boolean frontCamera) {

    if (canvas == null)
        return;

    Paint paint = new Paint();
    paint.setColor(Color.rgb(57, 138, 243));
    int len = (rect.bottom - rect.top) / 8;
    if (len / 8 >= 2)
        paint.setStrokeWidth(len / 8);
    else
        paint.setStrokeWidth(2);

    if (frontCamera) {
        int left = rect.left;
        rect.left = width - rect.right;
        rect.right = width - left;
    }

    paint.setStyle(Style.STROKE);
    canvas.drawRect(rect, paint);
}