Example usage for android.graphics Paint setAntiAlias

List of usage examples for android.graphics Paint setAntiAlias

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Introduction

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

Prototype

public void setAntiAlias(boolean aa)

Source Link

Document

Helper for setFlags(), setting or clearing the ANTI_ALIAS_FLAG bit AntiAliasing smooths out the edges of what is being drawn, but is has no impact on the interior of the shape.

Usage

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.//from  w  w  w.j a v a  2s. c  o  m
 */
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 Bitmap formatUserAvatar(Bitmap photo) {
    int maskColor = 0xff424242;
    Paint cornerPaint = new Paint();
    cornerPaint.setAntiAlias(true);
    cornerPaint.setColor(maskColor);// w  w  w  .  j  a va 2  s.c  o m
    Rect roundedCornerRect = new Rect(0, 0, 256, 256);
    RectF roundedCornerRectF = new RectF(roundedCornerRect);
    Bitmap roundedCornerBitmap = Bitmap.createBitmap(256, 256, Bitmap.Config.ARGB_8888);
    Canvas roundedCornerCanvas = new Canvas(roundedCornerBitmap);
    roundedCornerCanvas.drawARGB(0, 0, 0, 0);
    roundedCornerCanvas.drawRoundRect(roundedCornerRectF, 128, 128, cornerPaint);
    cornerPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    Bitmap scaledBitmap = Bitmap.createScaledBitmap(photo, 256, 256, true);
    roundedCornerCanvas.drawBitmap(scaledBitmap, roundedCornerRect, roundedCornerRect, cornerPaint);
    return roundedCornerBitmap;
}

From source file:Main.java

public static Bitmap roundCorners(Bitmap bitmap, float radius) {
    Paint paint = new Paint();
    paint.setAntiAlias(true);

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

    final int color = 0xff424242;
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);

    canvas.drawARGB(0, 0, 0, 0);//from  w  w w . j  a v a 2  s .  c  o  m
    paint.setColor(color);
    canvas.drawRoundRect(rectF, radius, radius, paint);

    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);

    return output;
}

From source file:Main.java

public static Bitmap changeBitmapColor(Bitmap bmp, int color) {
    Bitmap b = Bitmap.createBitmap(bmp.getWidth(), bmp.getHeight(), bmp.getConfig());
    Canvas canvas = new Canvas(b);
    Paint paint = new Paint();
    paint.setColor(color);/*  w  ww . ja v a2 s .  c om*/
    paint.setAntiAlias(true);
    canvas.drawBitmap(bmp, bmp.getWidth(), bmp.getHeight(), paint);
    return b;
}

From source file:Main.java

static private Bitmap smallCoverPostProc(Bitmap smallBitmap) {
    try {//from   w w w  .  j  a va 2 s.  c o m
        Bitmap smallBitmapPostProc = Bitmap.createBitmap(smallBitmap.getWidth(), smallBitmap.getHeight(),
                Bitmap.Config.RGB_565);
        Canvas canvas = new Canvas();
        canvas.setBitmap(smallBitmapPostProc);
        Paint paint = new Paint();
        paint.setAntiAlias(true);
        Bitmap bitmapToShade = Bitmap.createBitmap(smallBitmap, 2, 2, smallBitmap.getWidth() - 4,
                smallBitmap.getHeight() - 4);
        BitmapShader bmShader = new BitmapShader(bitmapToShade, TileMode.CLAMP, TileMode.CLAMP);
        paint.setShader(bmShader);
        canvas.drawRoundRect(new RectF(2, 2, smallBitmap.getWidth() - 2, smallBitmap.getHeight() - 2), 4, 4,
                paint);
        return smallBitmapPostProc;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static Bitmap getBitmap(Bitmap background, Bitmap contour, float alpha) {
    Paint paint = new Paint();
    paint.setAntiAlias(true);
    paint.setColor(Color.WHITE);/* w  ww. j  av  a 2  s. co  m*/
    paint.setDither(false);
    Bitmap bitmap = Bitmap.createBitmap(contour.getWidth(), contour.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    Matrix m = new Matrix();
    m.setScale(contour.getWidth() * 1.0f / background.getWidth(),
            contour.getHeight() * 1.0f / background.getHeight());
    paint.setAlpha((int) (alpha * 0xff));
    canvas.drawBitmap(background, m, paint);
    paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));
    paint.setAlpha(0xff);
    canvas.drawBitmap(contour, 0, 0, paint);
    return bitmap;
}

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);
    paint.setColor(Color.WHITE);/*from  w  w w.j  av  a  2  s .  c  o m*/

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

    Paint paint = new Paint();
    paint.setAntiAlias(true);
    paint.setColor(Color.WHITE);//  w w  w.ja  v a2 s . co  m

    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 roundCorner(Bitmap src, float round) {
    int width = src.getWidth();
    int height = src.getHeight();
    Bitmap result = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(result);
    canvas.drawARGB(0, 0, 0, 0);/*  w w w  . java  2  s  .  c om*/

    final Paint paint = new Paint();
    paint.setAntiAlias(true);
    paint.setColor(Color.BLACK);

    final Rect rect = new Rect(0, 0, width, height);
    final RectF rectF = new RectF(rect);

    canvas.drawRoundRect(rectF, round, round, paint);

    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(src, rect, rect, paint);

    return result;
}

From source file:Main.java

public static Bitmap roundCorners(final Bitmap bitmap, final int radiusX, final int radiusY) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();

    Paint paint = new Paint();
    paint.setAntiAlias(true);
    paint.setColor(Color.WHITE);/*from  w w  w  . j a  va 2s . c  o  m*/

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

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

    return rounded;
}