Example usage for android.graphics Bitmap createBitmap

Introduction

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

Prototype

public static Bitmap createBitmap(@NonNull DisplayMetrics display, @NonNull @ColorInt int[] colors, int offset,
        int stride, int width, int height, @NonNull Config config)

Source Link

Document

Returns a immutable bitmap with the specified width and height, with each pixel value set to the corresponding value in the colors array.

Usage

From source file:Main.java

public static Bitmap getImageCrop(Bitmap bitmap) {
    int w = bitmap.getWidth();
    int h = bitmap.getHeight();

    int wh = w > h ? h : w;

    int retX = w > h ? (w - h) / 2 : 0;
    int retY = w > h ? 0 : (h - w) / 2;

    return Bitmap.createBitmap(bitmap, retX, retY, wh, wh, null, false);
}

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);//from  www .j  a  v  a  2 s  .  co  m

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

From source file:Main.java

public static Bitmap getSkewBitmap(Bitmap mBitmap, float xRatio, float yRatio) {
    int width = mBitmap.getWidth();
    int height = mBitmap.getHeight();

    Matrix matrix = new Matrix();
    matrix.postSkew(xRatio, yRatio);/*from   ww  w.  ja v  a2  s  .c o  m*/
    Bitmap mScrewBitmap = Bitmap.createBitmap(mBitmap, 0, 0, width, height, matrix, true);

    return mScrewBitmap;
}

From source file:Main.java

public static Bitmap rotateBitmap(Bitmap bitmap, int rotate) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();

    Matrix matrix = new Matrix();
    matrix.postRotate(rotate);//from  w ww. ja  v  a2  s  . c o m

    return Bitmap.createBitmap(bitmap, 0, 0, width, height, matrix, false);
}

From source file:Main.java

public static Bitmap rotate(Bitmap b, int degrees) {
    if (degrees != 0 && b != null) {
        Matrix m = new Matrix();
        m.setRotate(degrees, (float) b.getWidth() / 2, (float) b.getHeight() / 2);
        try {/*from  w  w  w. ja v  a2 s .  c  om*/
            Bitmap b2 = Bitmap.createBitmap(b, 0, 0, b.getWidth(), b.getHeight(), m, true);
            if (b != b2) {
                return b2;
            } else {
                return b;
            }
        } catch (OutOfMemoryError ex) {
            return b;
        }
    }
    return null;
}

From source file:Main.java

public static Bitmap zoom(Bitmap source, float width, float height) {

    Matrix matrix = new Matrix();

    float scaleW = width / source.getWidth();
    float scaleH = height / source.getHeight();

    matrix.postScale(scaleW, scaleH);/* www  . j  a  v a2s  .com*/

    Bitmap bm = Bitmap.createBitmap(source, 0, 0, source.getWidth(), source.getHeight(), matrix, true);

    return bm;
}

From source file:Main.java

public static Bitmap rotateBitmap(Bitmap sourceBitmap, float angleInDegrees) {
    if (angleInDegrees == 0)
        return sourceBitmap;
    Matrix matrix = new Matrix();
    matrix.postRotate(angleInDegrees);/*  w  ww  . j a v a2 s  .  c o m*/
    return Bitmap.createBitmap(sourceBitmap, 0, 0, sourceBitmap.getWidth(), sourceBitmap.getHeight(), matrix,
            true);
}

From source file:Main.java

private static Bitmap rotateBitmap(Bitmap bitmap, int rotate) {
    if (bitmap == null) {
        return null;
    }/*  w w  w  .  j ava  2 s  . c  o m*/
    int w = bitmap.getWidth();
    int h = bitmap.getHeight();

    Matrix mtx = new Matrix();
    mtx.postRotate(rotate);
    return Bitmap.createBitmap(bitmap, 0, 0, w, h, mtx, true);
}

From source file:Main.java

public static Bitmap zoomBitmap3(Bitmap bitmap, int w, int h) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    Matrix matrix = new Matrix();
    float ratio = ((float) w / width);

    matrix.postScale(ratio, ratio);/*from   www .j a  v  a 2  s.c  om*/
    Bitmap newbmp = Bitmap.createBitmap(bitmap, 0, 0, width, height, matrix, true);
    return newbmp;
}

From source file:Main.java

public static Bitmap zoomBMP(Bitmap bitmap, int height, int width) {
    int w = bitmap.getWidth();
    int h = bitmap.getHeight() - 1;
    Matrix matrix = new Matrix();
    float scaleHeight = ((float) height / h);
    matrix.postScale(scaleHeight, scaleHeight);
    return Bitmap.createBitmap(bitmap, 0, 0, w, h, matrix, true);
}