Example usage for android.graphics Bitmap getWidth

Introduction

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

Prototype

public final int getWidth()

Source Link

Document

Returns the bitmap's width

Usage

From source file:Main.java

public static Bitmap resizeDownAndCropCenter(Bitmap bitmap, int size, boolean recycle) {
    int w = bitmap.getWidth();
    int h = bitmap.getHeight();
    int minSide = Math.min(w, h);
    if (w == h && minSide <= size)
        return bitmap;
    size = Math.min(size, minSide);

    float scale = Math.max((float) size / bitmap.getWidth(), (float) size / bitmap.getHeight());
    Bitmap target = Bitmap.createBitmap(size, size, getConfig(bitmap));
    int width = Math.round(scale * bitmap.getWidth());
    int height = Math.round(scale * bitmap.getHeight());
    Canvas canvas = new Canvas(target);
    canvas.translate((size - width) / 2f, (size - height) / 2f);
    canvas.scale(scale, scale);//from ww  w.  j av a  2  s .com
    Paint paint = new Paint(Paint.FILTER_BITMAP_FLAG | Paint.DITHER_FLAG);
    canvas.drawBitmap(bitmap, 0, 0, paint);
    if (recycle)
        bitmap.recycle();
    return target;
}

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap) {
    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);
    final float roundPx = 12;

    paint.setAntiAlias(true);//from w  w  w .j  av  a2 s  .com
    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

/**
 * Create a bitmap from a background and a foreground bitmap
 *
 * @param background The bitmap placed in the background
 * @param foreground The bitmap placed in the foreground
 * @return the merged bitmap//  www.jav a2s . c  o m
 */
public static Bitmap mergeBitmap(@NonNull Bitmap background, @NonNull Bitmap foreground) {
    Bitmap result = Bitmap.createBitmap(background.getWidth(), background.getHeight(), background.getConfig());
    Canvas canvas = new Canvas(result);
    canvas.drawBitmap(background, 0f, 0f, null);
    canvas.drawBitmap(foreground, 10, 10, null);
    return result;
}

From source file:Main.java

public static byte[] getGrayscale(Bitmap bitmap) {
    if (bitmap == null)
        return null;
    byte[] ret = new byte[bitmap.getWidth() * bitmap.getHeight()];
    for (int j = 0; j < bitmap.getHeight(); ++j)
        for (int i = 0; i < bitmap.getWidth(); ++i) {
            int pixel = bitmap.getPixel(i, j);
            int red = ((pixel & 0x00FF0000) >> 16);
            int green = ((pixel & 0x0000FF00) >> 8);
            int blue = pixel & 0x000000FF;
            ret[j * bitmap.getWidth() + i] = (byte) ((299 * red + 587 * green + 114 * blue) / 1000);
        }/*from w  ww . ja  v a 2 s. co  m*/
    return ret;
}

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, int radiusPixel) {
    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);
    final float roundPx = radiusPixel;

    paint.setAntiAlias(true);/*from   w  w w .  java 2s  . c om*/
    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

/**
 * This method takes a square bitmap and clips it into a circle
 *
 * @param bitmap : the image to clip//from   w  w w  . j  a  v  a 2s  . co  m
 * @return the clipped bitmap
 */
public static Bitmap getCroppedBitmap(Bitmap bitmap) {
    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());

    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    // canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
    canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2, bitmap.getWidth() / 2, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    //Bitmap _bmp = Bitmap.createScaledBitmap(output, 60, 60, false);
    //return _bmp;
    return output;
}

From source file:Main.java

/**
 * ATTENTION: DON'T USE THIS METHOD BECAUSE IT HAS BAD PERFORMANCES.
 *
 * @param source The original Bitmap.//from   ww  w . j  a  v  a  2  s. co m
 * @param color  Color to overlay.
 * @return the result image.
 */
@Deprecated
private static Bitmap overlayColor(Bitmap source, int color) {
    Bitmap newBitmap = Bitmap.createBitmap(source, 0, 0, source.getWidth(), source.getHeight());
    Bitmap mutableBitmap = newBitmap.copy(Bitmap.Config.ARGB_8888, true);
    Canvas canvas = new Canvas(mutableBitmap);
    Paint paint = new Paint();
    paint.setAntiAlias(true);
    ColorFilter filter = new LightingColorFilter(color, 1);
    paint.setColorFilter(filter);
    canvas.drawBitmap(mutableBitmap, 0, 0, paint);
    return mutableBitmap;
}

From source file:Main.java

public static Bitmap resizeDownToPixels(Bitmap bitmap, int targetPixels, boolean recycle) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    float scale = (float) Math.sqrt((double) targetPixels / (width * height));
    if (scale >= 1.0f)
        return bitmap;
    return resizeBitmapByScale(bitmap, scale, recycle);
}

From source file:Main.java

public static Bitmap resizeAndCropCenter(Bitmap bitmap, int size, boolean recycle) {
    int w = bitmap.getWidth();
    int h = bitmap.getHeight();
    if (w == size && h == size)
        return bitmap;

    // scale the image so that the shorter side equals to the target;
    // the longer side will be center-cropped.
    float scale = (float) size / Math.min(w, h);

    Bitmap target = Bitmap.createBitmap(size, size, getConfig(bitmap));
    int width = Math.round(scale * bitmap.getWidth());
    int height = Math.round(scale * bitmap.getHeight());
    Canvas canvas = new Canvas(target);
    canvas.translate((size - width) / 2f, (size - height) / 2f);
    canvas.scale(scale, scale);//from w  ww.  j ava  2 s  .co  m
    Paint paint = new Paint(Paint.FILTER_BITMAP_FLAG | Paint.DITHER_FLAG);
    canvas.drawBitmap(bitmap, 0, 0, paint);
    if (recycle)
        bitmap.recycle();
    return target;
}

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap) {
    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);
    final float roundPx = bitmap.getWidth() / 2;

    paint.setAntiAlias(true);/*from   ww w  .j  a  va  2  s .com*/
    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;
}