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 getRotatedImg(String path) {
    int angle = getBitmapRotation(path);
    Matrix matrix = new Matrix();
    matrix.postRotate(angle);/*from w w  w .j  a v  a 2s .  c  o m*/
    Bitmap bitmap = BitmapFactory.decodeFile(path);
    try {
        bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return bitmap;
}

From source file:Main.java

public static Bitmap zoomBitmap(Bitmap bitmap, int w, int h) {
    Bitmap newbmp = null;/*  ww  w  .  ja v a  2s .  c  o  m*/
    if (bitmap != null) {
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();
        Matrix matrix = new Matrix();
        float scaleWidht = ((float) w / width);
        float scaleHeight = ((float) h / height);
        matrix.postScale(scaleWidht, scaleHeight);
        try {
            newbmp = Bitmap.createBitmap(bitmap, 0, 0, width, height, matrix, true);
        } catch (Exception e) {
            newbmp = bitmap;
        }
    }
    return newbmp;
}

From source file:Main.java

public static Bitmap resizeImage(Bitmap bitmap, int newWidth, int newHeight) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();

    float scaleWidth = ((float) newWidth) / width;
    float scaleHeight = ((float) newHeight) / height;

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

    Bitmap resizedBitmap = Bitmap.createBitmap(bitmap, 0, 0, width, height, matrix, true);
    return resizedBitmap;
}

From source file:Main.java

public static Bitmap getRotatedBitmap(byte[] bildDaten) {
    Bitmap result = BitmapFactory.decodeByteArray(bildDaten, 0, bildDaten.length);
    if (result.getWidth() > result.getHeight()) {
        Matrix m = new Matrix();
        m.postRotate(90);//  w ww  .j  ava 2 s.c om
        result = Bitmap.createBitmap(result, 0, 0, result.getWidth(), result.getHeight(), m, true);
    }
    return result;
}

From source file:Main.java

public static Bitmap orientationBitMap(String filepath, Bitmap bit) {
    int orientation = getExifOrientation(filepath);
    if (orientation != 0) {
        Matrix matrix = new Matrix();
        matrix.setRotate(orientation);/*  w w  w . j  a v a2  s.  c  o  m*/
        return Bitmap.createBitmap(bit, 0, 0, bit.getWidth(), bit.getHeight(), matrix, true);
    }
    return bit;
}

From source file:Main.java

public static Bitmap zoomBitmap(Bitmap bitmap, int width, int height) {
    int w = bitmap.getWidth();
    int h = bitmap.getHeight();
    Bitmap newbmp;/*from   w  w  w  . j a v a 2 s.  co m*/
    try {
        // if (h >= w) {
        // if (height <= h) {
        Matrix matrix = new Matrix();
        float scaleHeight = ((float) height / h);
        matrix.postScale(scaleHeight, scaleHeight);
        newbmp = Bitmap.createBitmap(bitmap, 0, 0, w, h, matrix, true);
        return newbmp;
        // }
        // } else {
        // if (width <= w) {
        // Matrix matrix = new Matrix();
        // float scaleWidth = ((float) width / w);
        // matrix.postScale(scaleWidth, scaleWidth);
        // newbmp = Bitmap.createBitmap(bitmap, 0, 0, w, h, matrix,
        // true);
        // return newbmp;
        // }
        // }
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static Bitmap getRotatedBitmap(Bitmap imageBitmap, int screenRotation) {
    int rotationAdjustment = getRotationAdjustment(screenRotation);
    Matrix matrix = new Matrix();
    matrix.postRotate(rotationAdjustment);
    return Bitmap.createBitmap(imageBitmap, 0, 0, imageBitmap.getWidth(), imageBitmap.getHeight(), matrix,
            true);/* w w  w  .  ja va2  s .co m*/
}

From source file:Main.java

public static Bitmap rotateImage(Bitmap bitmap, float degrees) {
    Bitmap resultBitmap = bitmap;// www .jav a  2  s .c  om
    try {
        Matrix matrix = new Matrix();
        matrix.postRotate(degrees);
        // Rotate the bitmap
        resultBitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
    } catch (Exception exception) {
        exception.printStackTrace();
    }
    if (resultBitmap != bitmap) {
        bitmap.recycle();
    }
    return resultBitmap;
}

From source file:Main.java

public static Bitmap getResizedBitmap(Bitmap bm, float newWidth, float newHeight) {
    int width = bm.getWidth();
    int height = bm.getHeight();
    float scaleWidth = newWidth / width;
    float scaleHeight = newHeight / height;

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

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

From source file:Main.java

/**
 * Rotate the image.// w  ww  . j av a2s  . c o  m
 *
 * @param drawable
 */
public static BitmapDrawable rotateImage(BitmapDrawable drawable, int degree) {
    Bitmap bitmap = drawable.getBitmap();

    Matrix matrix = new Matrix();
    matrix.postRotate(degree);
    Bitmap rotatedBMP = Bitmap.createBitmap(drawable.getBitmap(), 0, 0, bitmap.getWidth(), bitmap.getHeight(),
            matrix, true);
    return new BitmapDrawable(rotatedBMP);
}