Example usage for android.graphics Bitmap getHeight

Introduction

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

Prototype

public final int getHeight() 

Source Link

Document

Returns the bitmap's height

Usage

From source file:Main.java

public static Bitmap toRoundBitmap(Bitmap bitmap) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    float roundPx;
    float left, top, right, bottom, dst_left, dst_top, dst_right, dst_bottom;
    if (width <= height) {
        roundPx = width / 2;/*from   w  w w . j  ava  2  s .c  o  m*/
        top = 0;
        bottom = width;
        left = 0;
        right = width;
        height = width;
        dst_left = 0;
        dst_top = 0;
        dst_right = width;
        dst_bottom = width;
    } else {
        roundPx = height / 2;
        float clip = (width - height) / 2;
        left = clip;
        right = width - clip;
        top = 0;
        bottom = height;
        width = height;
        dst_left = 0;
        dst_top = 0;
        dst_right = height;
        dst_bottom = height;
    }
    Bitmap output = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect src = new Rect((int) left, (int) top, (int) right, (int) bottom);
    final Rect dst = new Rect((int) dst_left, (int) dst_top, (int) dst_right, (int) dst_bottom);
    final RectF rectF = new RectF(dst);
    paint.setAntiAlias(true);
    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, src, dst, paint);
    if (bitmap != null && !bitmap.isRecycled()) {
        bitmap.recycle();
    }
    return output;
}

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From source file:Main.java

public static Bitmap toRoundBitmap(Bitmap bitmap) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    float roundPx;
    float left, top, right, bottom, dst_left, dst_top, dst_right, dst_bottom;
    if (width <= height) {
        roundPx = width / 2;//  w  w w  .  j av  a 2 s.c  o  m
        top = 0;
        bottom = width;
        left = 0;
        right = width;
        height = width;
        dst_left = 0;
        dst_top = 0;
        dst_right = width;
        dst_bottom = width;
    } else {
        roundPx = height / 2;
        float clip = (width - height) / 2;
        left = clip;
        right = width - clip;
        top = 0;
        bottom = height;
        width = height;
        dst_left = 0;
        dst_top = 0;
        dst_right = height;
        dst_bottom = height;
    }

    Bitmap output = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect src = new Rect((int) left, (int) top, (int) right, (int) bottom);
    final Rect dst = new Rect((int) dst_left, (int) dst_top, (int) dst_right, (int) dst_bottom);
    final RectF rectF = new RectF(dst);

    paint.setAntiAlias(true);

    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, src, dst, paint);
    return output;
}

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From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap) {
    Bitmap bitmap1 = null;//from   w w  w. jav a  2 s.c  om
    if (bitmap != null) {
        bitmap1 = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(),
                android.graphics.Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(bitmap1);
        Paint paint = new Paint();
        Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
        RectF rectf = new RectF(rect);
        paint.setAntiAlias(true);
        canvas.drawARGB(0, 0, 0, 0);
        paint.setColor(0xffff0000);
        canvas.drawRoundRect(rectf, 15F, 15F, paint);
        paint.setXfermode(new PorterDuffXfermode(android.graphics.PorterDuff.Mode.SRC_IN));
        canvas.drawBitmap(bitmap, rect, rect, paint);
        bitmap.recycle();
    }
    return bitmap1;
}

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From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, float roundPx) {
    try {/*from   w  w w . j  ava 2s  .  co  m*/
        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);
        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;
    } catch (Exception e) {
        e.printStackTrace();
        return bitmap;
    }
}

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From source file:Main.java

public static Bitmap scaleAndFrame(Bitmap bitmap, int width, int height) {
    final int bitmapWidth = bitmap.getWidth();
    final int bitmapHeight = bitmap.getHeight();

    final float scale = Math.min((float) width / (float) bitmapWidth, (float) height / (float) bitmapHeight);

    final int scaledWidth = (int) (bitmapWidth * scale);
    final int scaledHeight = (int) (bitmapHeight * scale);

    final Bitmap decored = Bitmap.createScaledBitmap(bitmap, scaledWidth, scaledHeight, true);
    final Canvas canvas = new Canvas(decored);

    final int offset = (int) (PHOTO_BORDER_WIDTH / 2);
    sStrokePaint.setAntiAlias(false);/*from  w  ww  . j  ava 2s. c om*/
    canvas.drawRect(offset, offset, scaledWidth - offset - 1, scaledHeight - offset - 1, sStrokePaint);
    sStrokePaint.setAntiAlias(true);

    return decored;

}

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From source file:Main.java

public static Bitmap createReflectionImageWithOrigin(Bitmap bitmap) {
    final int reflectionGap = 4;
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();

    Matrix matrix = new Matrix();
    matrix.preScale(1, -1);/*from  w ww .  jav  a  2s.  co m*/

    Bitmap reflectionImage = Bitmap.createBitmap(bitmap, 0, height / 2, width, height / 2, matrix, false);

    Bitmap bitmapWithReflection = Bitmap.createBitmap(width, (height + height / 2), Config.ARGB_8888);

    Canvas canvas = new Canvas(bitmapWithReflection);
    canvas.drawBitmap(bitmap, 0, 0, null);
    Paint deafalutPaint = new Paint();
    canvas.drawRect(0, height, width, height + reflectionGap, deafalutPaint);

    canvas.drawBitmap(reflectionImage, 0, height + reflectionGap, null);

    Paint paint = new Paint();
    LinearGradient shader = new LinearGradient(0, bitmap.getHeight(), 0,
            bitmapWithReflection.getHeight() + reflectionGap, 0x70ffffff, 0x00ffffff, TileMode.CLAMP);
    paint.setShader(shader);
    // Set the Transfer mode to be porter duff and destination in   
    paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));
    // Draw a rectangle using the paint with our linear gradient   
    canvas.drawRect(0, height, width, bitmapWithReflection.getHeight() + reflectionGap, paint);

    return bitmapWithReflection;
}

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From source file:Main.java

public static Bitmap zoom(Bitmap source, float width, float height) {
    Matrix matrix = new Matrix();
    float scaleX = width / source.getWidth();
    float scaleY = height / source.getHeight();
    matrix.postScale(scaleX, scaleY);/*w  ww .ja  v  a  2  s. c o m*/

    Bitmap bitmap = Bitmap.createBitmap(source, 0, 0, source.getWidth(), source.getHeight(), matrix, true);
    return bitmap;
}

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From source file:Main.java

static public void setImageColorPixels(ImageView view, Bitmap myBitmap, int rgbcolor)// ,Bitmap sourceBitmap)
{

    int intArray[];

    intArray = new int[myBitmap.getWidth() * myBitmap.getHeight()];

    // copy pixel data from the Bitmap into the 'intArray' array
    myBitmap.getPixels(intArray, 0, myBitmap.getHeight(), 0, 0, myBitmap.getHeight(), myBitmap.getWidth());

    // replace the red pixels with yellow ones
    for (int i = 0; i < intArray.length; i++) {
        // System.out.println("color is--" + i + " " + intArray[i]);
        if (intArray[i] != Color.TRANSPARENT) {

            intArray[i] = rgbcolor;/*from w w w  .  ja  v  a  2  s .  com*/
        }
    }
    myBitmap.setPixels(intArray, 0, myBitmap.getHeight(), 0, 0, myBitmap.getHeight(), myBitmap.getWidth());

    view.setImageBitmap(myBitmap);
}

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From source file:Main.java

/**
 * Finds the percentage of pixels that do are empty.
 *
 * @param bitmap input bitmap//from   w w  w. j a  v a  2  s.  c om
 * @return a value between 0.0 to 1.0 . Note the method will return 0.0 if either of bitmaps are null nor of same size.
 *
 */
public static float getTransparentPixelPercent(Bitmap bitmap) {

    if (bitmap == null) {
        return 0f;
    }

    ByteBuffer buffer = ByteBuffer.allocate(bitmap.getHeight() * bitmap.getRowBytes());
    bitmap.copyPixelsToBuffer(buffer);

    byte[] array = buffer.array();

    int len = array.length;
    int count = 0;

    for (int i = 0; i < len; i++) {
        if (array[i] == 0) {
            count++;
        }
    }

    return ((float) (count)) / len;
}

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From source file:Main.java

public static int getSizeInBytes(Bitmap bitmap) {
    if (android.os.Build.VERSION.SDK_INT >= 12) {
        return bitmap.getByteCount();
    } else {/*from w  w w.  j  a va  2 s  . c om*/
        return bitmap.getRowBytes() * bitmap.getHeight();
    }
}

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