Example usage for android.graphics Matrix setScale

Introduction

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

Prototype

public void setScale(float sx, float sy)

Source Link

Document

Set the matrix to scale by sx and sy.

Usage

From source file:Main.java

/**
 * Method to flip horizontally a Bitmap.
 *
 * @param source The original Bitmap.//from ww  w .ja v  a 2  s .c o m
 * @return The flipped Bitmap.
 */
public static Bitmap flipHorizonally(Bitmap source) {
    Matrix m = new Matrix();
    m.setScale(-1, 1);
    return Bitmap.createBitmap(source, 0, 0, source.getWidth(), source.getHeight(), m, false);
}

From source file:Main.java

/**
 * TODO doc/*from  www  .j a  v a 2 s  . c om*/
 *
 * @param source
 * @return
 */
public static Bitmap flipHorizonallyBitmap(Bitmap source) {
    Matrix m = new Matrix();
    m.setScale(-1, 1);
    return Bitmap.createBitmap(source, 0, 0, source.getWidth(), source.getHeight(), m, false);
}

From source file:Main.java

public static Bitmap scale(Bitmap src, float scale) {
    if (src == null) {
        return null;
    }/*from  w w  w.  j a v a2  s .  c  o m*/

    Matrix m = new Matrix();
    m.setScale(scale, scale);
    return Bitmap.createBitmap(src, 0, 0, src.getWidth(), src.getHeight(), m, true);
}

From source file:Main.java

public static Bitmap getSolideSizeBitmap(Bitmap bm, int width, int height) {
    float widthScale = (width * 1f) / (bm.getWidth() * 1f);
    float heightScale = (height * 1f) / (bm.getHeight() * 1f);
    Matrix matrix = new Matrix();
    matrix.setScale(widthScale, heightScale);
    return Bitmap.createBitmap(bm, 0, 0, bm.getWidth(), bm.getHeight(), matrix, false);
}

From source file:Main.java

public static Bitmap zoomBitmap(Bitmap src, float scaleX, float scaleY) {
    Matrix matrix = new Matrix();
    matrix.setScale(scaleX, scaleY);
    Bitmap t_bitmap = Bitmap.createBitmap(src, 0, 0, src.getWidth(), src.getHeight(), matrix, true);
    return t_bitmap;
}

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);
    bitmap = Bitmap.createBitmap(bitmap, width / 2 - 10, height / 3 - 10, width / 2 + 10, height / 3 + 10,
            matrix, true);/*from ww w .  j ava2 s  .  c om*/
    return bitmap;
}

From source file:Main.java

public static Bitmap scaleBitmap(Bitmap bitmap, int reW, int reH) {
    if (bitmap == null) {
        return null;
    }/*from w  ww  .  j  a va2 s.  c o  m*/
    int bmpW = bitmap.getWidth();
    int bmpH = bitmap.getHeight();
    float wScale = reW * 1.0f / bmpW;
    float hScale = reH * 1.0f / bmpH;
    float scale = Math.max(wScale, hScale);
    Matrix matrix = new Matrix();
    matrix.setScale(scale, scale);
    return Bitmap.createBitmap(bitmap, 0, 0, bmpW, bmpH, matrix, true);
}

From source file:Main.java

public static void drawBitmapCenter(Canvas canvas, float f, float f1, float f2, boolean flag, boolean flag1,
        Bitmap bitmap, Paint paint) {
    if (flag) {/*  w  w w. j  a va  2 s .  c om*/
        f -= (f2 * (float) bitmap.getWidth()) / 2.0F;
    }
    if (flag1) {
        f1 -= (f2 * (float) bitmap.getHeight()) / 2.0F;
    }
    Matrix matrix = new Matrix();
    matrix.setScale(f2, f2);
    matrix.postTranslate(f, f1);
    canvas.drawBitmap(bitmap, matrix, paint);
}

From source file:Main.java

public static Bitmap getBitmap(Bitmap background, Bitmap contour, float alpha) {
    Paint paint = new Paint();
    paint.setAntiAlias(true);// w ww .ja  v  a  2s  .  c  o  m
    paint.setColor(Color.WHITE);
    paint.setDither(false);
    Bitmap bitmap = Bitmap.createBitmap(contour.getWidth(), contour.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    Matrix m = new Matrix();
    m.setScale(contour.getWidth() * 1.0f / background.getWidth(),
            contour.getHeight() * 1.0f / background.getHeight());
    paint.setAlpha((int) (alpha * 0xff));
    canvas.drawBitmap(background, m, paint);
    paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));
    paint.setAlpha(0xff);
    canvas.drawBitmap(contour, 0, 0, paint);
    return bitmap;
}

From source file:Main.java

public static Bitmap getFlippedBitmap(Resources res, int resId) {

    BitmapFactory.Options opt = new BitmapFactory.Options();
    opt.inJustDecodeBounds = true;//from   w  w w .  j av a2  s  .  c o  m
    //Below line is necessary to fill in opt.outWidth, opt.outHeight
    Bitmap b = BitmapFactory.decodeResource(res, resId, opt);

    b = Bitmap.createBitmap(opt.outWidth, opt.outHeight, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(b);

    Matrix flipHorizontalMatrix = new Matrix();
    flipHorizontalMatrix.setScale(-1, 1);
    flipHorizontalMatrix.postTranslate(b.getWidth(), 0);

    Bitmap bb = BitmapFactory.decodeResource(res, resId);
    canvas.drawBitmap(bb, flipHorizontalMatrix, null);

    return b;
}