Example usage for android.graphics Canvas drawBitmap

Introduction

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

Prototype

public void drawBitmap(@NonNull Bitmap bitmap, @Nullable Rect src, @NonNull Rect dst, @Nullable Paint paint)

Source Link

Document

Draw the specified bitmap, scaling/translating automatically to fill the destination rectangle.

Usage

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap srcBitmap, float radius) {
    Bitmap resultBitmap = Bitmap.createBitmap(srcBitmap.getWidth(), srcBitmap.getHeight(),
            Bitmap.Config.ARGB_8888);/*from w  w w. ja v a 2s . co  m*/
    Canvas canvas = new Canvas(resultBitmap);
    Paint paint = new Paint();
    Rect rect = new Rect(0, 0, srcBitmap.getWidth(), srcBitmap.getHeight());
    RectF rectF = new RectF(rect);
    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(0xBDBDBE);
    canvas.drawRoundRect(rectF, radius, radius, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(srcBitmap, rect, rect, paint);
    return resultBitmap;
}

From source file:Main.java

public static Bitmap toRoundCorner(Bitmap bitmap) {
    int height = bitmap.getHeight();
    int width = bitmap.getHeight();
    Bitmap output = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(output);

    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, width, height);

    paint.setAntiAlias(true);/*from www .j  a v  a  2 s .  com*/
    canvas.drawARGB(0, 0, 0, 0);
    //paint.setColor(0xff424242);
    paint.setColor(Color.TRANSPARENT);
    canvas.drawCircle(width / 2, height / 2, width / 2, 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 flipAnimation(Bitmap animationTexture, int subImageWidth, int subImageHeight) {
    Bitmap animationTextureFlipped = Bitmap.createBitmap(animationTexture.getWidth(),
            animationTexture.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(animationTextureFlipped);
    Bitmap b;/*from w  w  w. ja v a 2s  .  co  m*/
    for (int i = 0; (i + 1) * subImageHeight <= animationTexture.getHeight(); i++) {
        for (int j = 0; (j + 1) * subImageWidth <= animationTexture.getWidth(); j++) {
            b = Bitmap.createBitmap(animationTexture, j * subImageWidth, i * subImageHeight, subImageWidth,
                    subImageHeight);
            b = flip(b);
            canvas.drawBitmap(b, j * subImageWidth, i * subImageHeight, null);
        }
    }
    return animationTextureFlipped;
}

From source file:Main.java

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

    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap

            .getHeight(), 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);

    paint.setAntiAlias(true);//  w  w  w . j  a  v a  2s  . c o m

    canvas.drawARGB(0, 0, 0, 0);

    paint.setColor(color);

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

    canvas.drawBitmap(bitmap, rect, rect, paint);

    return output;

}

From source file:Main.java

public static Bitmap makeRoundedCornerBitmap(Bitmap bitmap, float roundPx) {
    int w = bitmap.getWidth();
    int h = bitmap.getHeight();
    Bitmap output = Bitmap.createBitmap(w, h, Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, w, h);
    final RectF rectF = new RectF(rect);
    paint.setAntiAlias(true);/*ww w.  j  a v  a2 s . c  o  m*/
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);

    return output;
}

From source file:Main.java

/**
 * convert Bitmap to round corner/*from  w  ww . ja v a2  s .co m*/
 *
 * @param bitmap
 * @return
 */
public static Bitmap toRoundCorner(Bitmap bitmap) {
    int height = bitmap.getHeight();
    int width = bitmap.getHeight();
    Bitmap output = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(output);

    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, width, height);

    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(0xff424242);
    //paint.setColor(Color.TRANSPARENT);
    canvas.drawCircle(width / 2, height / 2, width / 2, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    return output;
}

From source file:Main.java

/**
 * This is only used when the launcher shortcut is created.
 *
 * @param bitmap The artist, album, genre, or playlist image that's going to
 *               be cropped.//from   w  ww .j  a  v a  2  s. c  om
 * @param size   The new size.
 * @return A {@link Bitmap} that has been resized and cropped for a launcher
 * shortcut.
 */
public static final Bitmap resizeAndCropCenter(final Bitmap bitmap, final int size) {
    final int w = bitmap.getWidth();
    final int h = bitmap.getHeight();
    if (w == size && h == size) {
        return bitmap;
    }

    final float mScale = (float) size / Math.min(w, h);

    final Bitmap mTarget = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
    final int mWidth = Math.round(mScale * bitmap.getWidth());
    final int mHeight = Math.round(mScale * bitmap.getHeight());
    final Canvas mCanvas = new Canvas(mTarget);
    mCanvas.translate((size - mWidth) / 2f, (size - mHeight) / 2f);
    mCanvas.scale(mScale, mScale);
    final Paint paint = new Paint(Paint.FILTER_BITMAP_FLAG | Paint.DITHER_FLAG);
    mCanvas.drawBitmap(bitmap, 0, 0, paint);
    return mTarget;
}

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap) {
    int w = bitmap.getWidth();
    int h = bitmap.getHeight();
    float roundPx = w / 2;
    Bitmap output = Bitmap.createBitmap(w, h, 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, w, h);
    final RectF rectF = new RectF(rect);
    paint.setAntiAlias(true);//from   w  ww.j ava2s .c  o 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 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);//from  w  w  w  .  ja  v  a2 s . co 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:com.balieiro.facebook.FriendItem.java

/**
  * The credit of the image processing performed by this method belongs
  * to the author of this site://from   w  w w .java 2  s .  c  o  m
  * http://www.piwai.info/transparent-jpegs-done-right/
  * There is an amazing explanation on how to perform this kind of 
  * images transformations.
  */
private static Bitmap getRoundedBitmap(Bitmap source, int pictureMask) {

    BitmapFactory.Options options = new BitmapFactory.Options();
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
        // Starting with Honeycomb, we can load the bitmap as mutable.
        options.inMutable = true;
    }
    // We could also use ARGB_4444, but not RGB_565 (we need an alpha layer).
    options.inPreferredConfig = Bitmap.Config.ARGB_8888;
    Bitmap bitmap;
    if (source.isMutable()) {
        bitmap = source;
    } else {
        bitmap = source.copy(Bitmap.Config.ARGB_8888, true);
        source.recycle();
    }
    // The bitmap is opaque, we need to enable alpha compositing.
    bitmap.setHasAlpha(true);

    Canvas canvas = new Canvas(bitmap);
    Bitmap mask = BitmapFactory.decodeResource(MyFacebookApp.getContext().getResources(), pictureMask);
    Paint paint = new Paint();
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN));
    canvas.drawBitmap(mask, 0, 0, paint);
    // We do not need the mask bitmap anymore.
    mask.recycle();

    return bitmap;
}