Example usage for android.graphics Bitmap getWidth

List of usage examples for android.graphics Bitmap getWidth

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  4. android.graphics.*
  5. Bitmap
  6. 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 getRoundedCornerBitmap(Bitmap bitmap, float radius) {
    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);/*from w ww  .java2 s.  co m*/
    canvas.drawARGB(0, 0, 0, 0);
    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 toRoundCorner(Bitmap bitmap, int pixels, PorterDuff.Mode mode) {
    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    final int color = 0xffffffff;
    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);/*from   w w  w.jav a2 s  .c  om*/
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
    paint.setXfermode(new PorterDuffXfermode(mode));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    return output;
}

From source file:Main.java

/**
 * Method to split an image horizontally into a List
 * composed by {@code piecesNum} of Bitmaps.
 *
 * @param source    The source Bitmap./*from   w ww  .  j  a va  2s .  com*/
 * @param piecesNum int that represents the number of pieces.
 * @return The List of Bitmap's pieces.
 */
public static List<Bitmap> splitImageHorizontally(Bitmap source, int piecesNum) {
    List<Bitmap> pieces = new ArrayList<>();
    int width = source.getWidth() / piecesNum;
    int start = 0;
    for (int i = 0; i < piecesNum; i++) {
        Bitmap pieceBitmap = Bitmap.createBitmap(source, start, 0, width - 1, source.getHeight() - 1);
        pieces.add(pieceBitmap);
        start = (source.getWidth() / piecesNum) * (i + 1);
    }
    return pieces;
}

From source file:Main.java

public static Bitmap backsheetImage(Bitmap bm) {

    int width = bm.getWidth();
    int height = bm.getHeight();
    int color;//  w  w w. j  a va  2  s  .co  m
    int r, g, b, a;

    Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

    int[] oldPx = new int[width * height];
    int[] newPx = new int[width * height];

    bm.getPixels(oldPx, 0, width, 0, 0, width, height);

    for (int i = 0; i < oldPx.length; i++) {
        color = oldPx[i];
        r = Color.red(color);
        g = Color.green(color);
        b = Color.blue(color);
        a = Color.alpha(color);

        r = 255 - r;
        g = 255 - g;
        b = 255 - b;

        if (r > 255) {
            r = 255;
        } else if (r < 0) {
            r = 0;
        }

        if (g > 255) {
            g = 255;
        } else if (g < 0) {
            g = 0;
        }

        if (b > 255) {
            b = 255;
        } else if (b < 0) {
            b = 0;
        }

        newPx[i] = Color.argb(a, r, g, b);
    }

    bitmap.setPixels(newPx, 0, width, 0, 0, width, height);
    return bitmap;
}

From source file:Main.java

public static Bitmap olderImage(Bitmap bm) {

    int width = bm.getWidth();
    int height = bm.getHeight();
    int color;//from  w w w  .  j  av a  2  s . c o m
    int r, g, b, a;

    Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

    int[] oldPx = new int[width * height];
    int[] newPx = new int[width * height];

    bm.getPixels(oldPx, 0, width, 0, 0, width, height);

    for (int i = 0; i < oldPx.length; i++) {
        color = oldPx[i];
        r = Color.red(color);
        g = Color.green(color);
        b = Color.blue(color);
        a = Color.alpha(color);

        r = (int) (0.393 * r + 0.769 * g + 0.189 * b);
        g = (int) (0.349 * r + 0.686 * g + 0.168 * b);
        b = (int) (0.272 * r + 0.534 * g + 0.131 * b);

        if (r > 255) {
            r = 255;
        } else if (r < 0) {
            r = 0;
        }

        if (g > 255) {
            g = 255;
        } else if (g < 0) {
            g = 0;
        }

        if (b > 255) {
            b = 255;
        } else if (b < 0) {
            b = 0;
        }

        newPx[i] = Color.argb(a, r, g, b);
    }

    bitmap.setPixels(newPx, 0, width, 0, 0, width, height);
    return bitmap;
}

From source file:Main.java

/**
 * calculate hashcode for a bitmap.//from  w  ww  .ja va2  s .  c o m
 * only calculate part of the first row for performance purpose.
 * if you want to involve every pixels, use {@link #bitmap2hashFull(Bitmap)}.
 * @return hash code
 */
public static long bitmap2hash(Bitmap bitmap) {
    if (bitmap == null)
        return 0;
    long hash = 31;
    int end = bitmap.getWidth() / 5;
    for (int x = 0; x < end; x++) {
        hash *= (bitmap.getPixel(x, 0) + 31);
    }
    return hash;
}

From source file:Main.java

public static Bitmap handleImagePixelsRelief(Bitmap bm) {
    Bitmap bmp = Bitmap.createBitmap(bm.getWidth(), bm.getHeight(), Bitmap.Config.ARGB_8888);
    int width = bm.getWidth();
    int height = bm.getHeight();
    int color = 0, colorBefore = 0;
    int a, r, g, b;
    int r1, g1, b1;

    int[] oldPx = new int[width * height];
    int[] newPx = new int[width * height];

    bm.getPixels(oldPx, 0, bm.getWidth(), 0, 0, width, height);
    for (int i = 1; i < width * height; i++) {
        colorBefore = oldPx[i - 1];/*from w ww .  j ava  2s  . c  o  m*/
        a = Color.alpha(colorBefore);
        r = Color.red(colorBefore);
        g = Color.green(colorBefore);
        b = Color.blue(colorBefore);

        color = oldPx[i];
        r1 = Color.red(color);
        g1 = Color.green(color);
        b1 = Color.blue(color);

        r = (r - r1 + 127);
        g = (g - g1 + 127);
        b = (b - b1 + 127);
        if (r > 255) {
            r = 255;
        }
        if (g > 255) {
            g = 255;
        }
        if (b > 255) {
            b = 255;
        }
        newPx[i] = Color.argb(a, r, g, b);
    }
    bmp.setPixels(newPx, 0, width, 0, 0, width, height);
    return bmp;
}

From source file:Main.java

public static Bitmap get_circular_bitmap(Bitmap bitmap) {
    Bitmap output;/*from   www .j  a  v  a  2 s . c o  m*/

    if (bitmap.getWidth() > bitmap.getHeight()) {
        output = Bitmap.createBitmap(bitmap.getHeight(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    } else {
        output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getWidth(), 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());

    float r = 0;

    if (bitmap.getWidth() > bitmap.getHeight()) {
        r = bitmap.getHeight() / 2;
    } else {
        r = bitmap.getWidth() / 2;
    }

    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawCircle(r, r, r, 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 bitmapZoomByHeight(Drawable drawable, float newHeight) {
    Bitmap srcBitmap = drawableToBitmap(drawable);
    int srcWidth = srcBitmap.getWidth();
    int srcHeight = srcBitmap.getHeight();

    float scaleHeight = ((float) newHeight) / srcHeight;
    float scaleWidth = scaleHeight;

    return bitmapZoomByScale(srcBitmap, scaleWidth, scaleHeight);

}

From source file:Main.java

static public Bitmap scaleToFitHeight(Bitmap b, int height) {
    float factor = height / (float) b.getHeight();
    return Bitmap.createScaledBitmap(b, (int) (b.getWidth() * factor), height, false);
}