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

private static Bitmap rotate(Bitmap bm, int rotation) {
    if (rotation != 0) {
        Matrix matrix = new Matrix();
        matrix.postRotate(rotation);/*from ww w  . j  av  a 2  s  .  co  m*/
        Bitmap bmOut = Bitmap.createBitmap(bm, 0, 0, bm.getWidth(), bm.getHeight(), matrix, true);
        return bmOut;
    }
    return bm;
}

From source file:Main.java

public static Bitmap rotateImage(Bitmap bmp, int degrees) {
    if (degrees != 0) {
        Matrix matrix = new Matrix();
        matrix.postRotate(degrees);/* ww w .j a  va2s  .co  m*/
        return Bitmap.createBitmap(bmp, 0, 0, bmp.getWidth(), bmp.getHeight(), matrix, true);
    }
    return bmp;
}

From source file:Main.java

public static Bitmap rotateBitmap(Bitmap bitmap, int degrees) {
    if (degrees == 0) {
        return bitmap;
    }/*from  ww  w  .  java  2s  .  c o  m*/

    Matrix matrix = new Matrix();
    matrix.postRotate(degrees);
    return Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
}

From source file:Main.java

public static Bitmap rotateImage(Bitmap input, int rotation) {
    // rotate Image
    Matrix rotateMatrix = new Matrix();
    rotateMatrix.postRotate(rotation);/*from   w w  w  .jav a2  s.c  om*/
    Bitmap rotatedBitmap = Bitmap.createBitmap(input, 0, 0, input.getWidth(), input.getHeight(), rotateMatrix,
            false);
    return rotatedBitmap;
}

From source file:Main.java

public static Bitmap rotateImageView(int angle, Bitmap bitmap) {

    if (bitmap == null)
        return null;

    Matrix matrix = new Matrix();
    matrix.postRotate(angle);// w  w w  .  ja  v  a2s  .c  o m

    Bitmap resizedBitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix,
            true);
    if (bitmap != null && !bitmap.isRecycled()) {
        bitmap = null;
    }
    // bitmap.recycle();
    return resizedBitmap;
}

From source file:Main.java

public static Bitmap scale(Bitmap bitmap, float scale) {
    Matrix matrix = new Matrix();
    matrix.postScale(scale, scale);/*from w w  w. j a  v a2s . c  om*/
    Bitmap outBitmap = Bitmap.createBitmap(bitmap, 0, 0, (int) (bitmap.getWidth()), (int) (bitmap.getHeight()),
            matrix, true);
    bitmap.recycle();
    return outBitmap;
}

From source file:Main.java

public static Bitmap ScaleAndRotateBitmap(Bitmap bitmap, int rotation, int flipHorizontal) {
    Matrix m = new Matrix();
    if (flipHorizontal != 0) {
        m.postScale(-1, 1);// w ww .  j  a va 2s .  c o m
    }
    if (rotation != 0) {
        m.postRotate(rotation);
    }
    Bitmap finalBitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), m, true);
    if (finalBitmap != bitmap) {
        bitmap.recycle();
    }
    return finalBitmap;
}

From source file:Main.java

public static Bitmap handRotateBitmap(Bitmap bitmap, int degree) {
    if (null != bitmap) {
        Matrix m = new Matrix();
        m.postRotate(degree);//from w ww .j  av a 2 s  .  com
        bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), m, true);
        return bitmap;
    }
    return bitmap;
}

From source file:Main.java

public static Bitmap rotateImage(Bitmap source, float angle) {
    Matrix matrix = new Matrix();
    matrix.postRotate(angle);// w  w  w  .  j ava2 s . c  o m
    return Bitmap.createBitmap(source, 0, 0, source.getWidth(), source.getHeight(), matrix, true);
}

From source file:Main.java

public static Matrix getRotateMatrix(String s) {
    Matrix matrix = new Matrix();
    String s1 = getPicOrientation(s);
    if (s1.equals("3"))
        matrix.setRotate(180F);//from w  w w .  j a v  a2s  .  c o m
    else if (s1.equals("6"))
        matrix.setRotate(90F);
    else if (s1.equals("8"))
        matrix.setRotate(270F);
    else
        matrix.setRotate(0.0F);
    return matrix;
}