Example usage for android.graphics Matrix Matrix

Introduction

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

Prototype

public Matrix()

Source Link

Document

Create an identity matrix

Usage

From source file:Main.java

public static Bitmap rotateImage(Bitmap bitmap, int rotate) {
    if (rotate != 0) {
        // rotate
        Matrix m = new Matrix();
        m.postRotate(rotate);/*from   ww  w .java  2  s  . c  o  m*/
        Bitmap rotImage = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), m, true);
        bitmap.recycle();
        System.gc();

        return rotImage;
    }
    return bitmap;
}

From source file:Main.java

public static Bitmap roateImage(Bitmap mBitmap, float degree) {
    if (mBitmap.getWidth() > mBitmap.getHeight()) {
        Matrix matrix = new Matrix();
        matrix.postRotate(degree);//from w ww  . ja v  a 2  s  .c om
        mBitmap = Bitmap.createBitmap(mBitmap, 0, 0, mBitmap.getWidth(), mBitmap.getHeight(), matrix, true);
    }
    return mBitmap;
}

From source file:Main.java

public static Bitmap rotateBitmap(Bitmap bitmap, int degress, boolean needRecycle) {
    Matrix m = new Matrix();
    m.postRotate(degress);// ww  w.j  av a  2s  .co  m
    Bitmap bm = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), m, true);
    if (needRecycle) {
        bitmap.recycle();
    }
    return bm;
}

From source file:Main.java

public static Bitmap scale(Bitmap org, float xRate, float yRate) {

    final int orgWidth = org.getWidth();
    final int orgHeight = org.getHeight();

    Matrix matrix = new Matrix();
    matrix.postScale(xRate, yRate);/* w ww .j av a  2  s  .  co  m*/

    return Bitmap.createBitmap(org, 0, 0, orgWidth, orgHeight, matrix, true);
}

From source file:Main.java

public static Bitmap rotateBitmap(Bitmap b, float rotateDegree) {
    if (b == null) {
        return null;
    }//w w w.  j  a  v a 2  s  . com
    Matrix matrix = new Matrix();
    matrix.postRotate(rotateDegree);
    Bitmap rotaBitmap = Bitmap.createBitmap(b, 0, 0, b.getWidth(), b.getHeight(), matrix, true);
    return rotaBitmap;
}

From source file:Main.java

public static Bitmap big(Bitmap bitmap, float scale) {
    if (bitmap == null) {
        return null;
    }// ww w . ja  v  a  2  s  .  com
    Matrix matrix = new Matrix();
    matrix.postScale(scale, scale);
    Bitmap resizeBmp = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
    if (!bitmap.isRecycled()) {
        bitmap.recycle();
    }
    return resizeBmp;
}

From source file:Main.java

public static Bitmap rotateImage(Bitmap source, float angle) {
    Bitmap retVal;// w  w  w .ja  v a 2s .c  o  m

    Matrix matrix = new Matrix();
    matrix.postRotate(angle);
    retVal = Bitmap.createBitmap(source, 0, 0, source.getWidth(), source.getHeight(), matrix, true);

    return retVal;
}

From source file:Main.java

public static Bitmap scaleExistingBitmap(Bitmap bm, float scaleWidth, float scaleHeight) {

    int width = bm.getWidth();
    int height = bm.getHeight();

    Matrix matrix = new Matrix();
    matrix.postScale(scaleWidth, scaleHeight);

    Bitmap resizedBitmap = Bitmap.createBitmap(bm, 0, 0, width, height, matrix, false);
    return resizedBitmap;
}

From source file:Main.java

private static Bitmap getBitmap(Bitmap bitmap) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    Matrix matrix = new Matrix();
    matrix.setScale(0.5f, 0.5f);//from   ww  w  . j a v a 2s.c o m
    bitmap = Bitmap.createBitmap(bitmap, width / 2 - 10, height / 3 - 10, width / 2 + 10, height / 3 + 10,
            matrix, true);
    return bitmap;
}

From source file:Main.java

private static Bitmap rotate(Bitmap bmp, int rotation) {
    if (rotation == 0)
        return bmp;

    try {//w  ww  . j a  va2s  .  com
        Matrix matrix = new Matrix();
        matrix.preRotate(rotation);
        return Bitmap.createBitmap(bmp, 0, 0, bmp.getWidth(), bmp.getHeight(), matrix, true);
    } finally {
        bmp.recycle();
    }
}