Examples of java.awt.geom.AffineTransform.inverseTransform()

java.awt.geom.AffineTransform.inverseTransform()
Inverse transforms the specified ptSrc and stores the result in ptDst. If ptDst is null, a new Point2D object is allocated and then the result of the transform is stored in this object. In either case, ptDst, which contains the transformed point, is returned for convenience. If ptSrc and ptDst are the same object, the input point is correctly overwritten with the transformed point. @param ptSrc the point to be inverse transformed @param ptDst the resulting transformed point @return ptDst, which contains the result of the inverse transform. @exception NoninvertibleTransformException if the matrix cannot beinverted. @since 1.2

                Point2D pt0 = new Point2D.Float(0, 0);
                Point2D pt = new Point2D.Float(dx, dy);


                try {
                    at.inverseTransform(pt0, pt0);
                    at.inverseTransform(pt, pt);
                    double tx = pt0.getX() - pt.getX();
                    double ty = pt0.getY() - pt.getY();
                    at = svgCanvas.getRenderingTransform();
                    at.preConcatenate
                        (AffineTransform.getTranslateInstance(tx, ty));

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                AffineTransform at = overlay.getOverlayTransform();
                Point2D pt0 = new Point2D.Float(0, 0);
                Point2D pt = new Point2D.Float(dx, dy);


                try {
                    at.inverseTransform(pt0, pt0);
                    at.inverseTransform(pt, pt);
                    double tx = pt0.getX() - pt.getX();
                    double ty = pt0.getY() - pt.getY();
                    at = svgCanvas.getRenderingTransform();
                    at.preConcatenate

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                Point2D pt0 = new Point2D.Float(0, 0);
                Point2D pt = new Point2D.Float(dx, dy);


                try {
                    at.inverseTransform(pt0, pt0);
                    at.inverseTransform(pt, pt);
                    double tx = pt0.getX() - pt.getX();
                    double ty = pt0.getY() - pt.getY();
                    at = svgCanvas.getRenderingTransform();
                    at.preConcatenate
                        (AffineTransform.getTranslateInstance(tx, ty));

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                AffineTransform at = overlay.getOverlayTransform();
                Point2D pt0 = new Point2D.Float(0, 0);
                Point2D pt = new Point2D.Float(dx, dy);


                try {
                    at.inverseTransform(pt0, pt0);
                    at.inverseTransform(pt, pt);
                    double tx = pt0.getX() - pt.getX();
                    double ty = pt0.getY() - pt.getY();
                    at = svgCanvas.getRenderingTransform();
                    at.preConcatenate

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                Point2D pt0 = new Point2D.Float(0, 0);
                Point2D pt = new Point2D.Float(dx, dy);


                try {
                    at.inverseTransform(pt0, pt0);
                    at.inverseTransform(pt, pt);
                    double tx = pt0.getX() - pt.getX();
                    double ty = pt0.getY() - pt.getY();
                    at = svgCanvas.getRenderingTransform();
                    at.preConcatenate
                        (AffineTransform.getTranslateInstance(tx, ty));

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  protected void calcTransformedOrigin(float px, float py){
    AffineTransform aff = new AffineTransform();
    aff = getTransform(aff);
    temp[0] = px; temp[1] = py;
    try {
      aff.inverseTransform(temp, 0, temp, 0, 1);
      ox = (float) temp[0] + halfWidth;
      oy = (float) temp[1] + halfHeight;
    } catch (NoninvertibleTransformException e) {
    }
  }

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                        if (!iterator.finishedPixels()) {
                            int x = gridBounds.x;
                            do {
                                point2D.x = x;
                                point2D.y = y;
                                crsToGrid.inverseTransform(point2D, point2D);
                                if (area == null || area.contains(point2D)) {
                                    coordinate.ordinates[xAxis] = point2D.x;
                                    coordinate.ordinates[yAxis] = point2D.y;
                                    iterator.setPixel(evaluate(coordinate, samples));
                                } else {

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            // we need to convert x/y from the screen to the original coordinates, and then to the ones
            // that will be used to make the request
            AffineTransform at = RendererUtilities.worldToScreenTransform(bbox, new Rectangle(width, height));
            Point2D screenPos = new Point2D.Double(x, y);
            Point2D worldPos = new Point2D.Double(x, y);
            at.inverseTransform(screenPos, worldPos);
            DirectPosition2D fromPos = new DirectPosition2D(worldPos.getX(), worldPos.getY());
            DirectPosition2D toPos = new DirectPosition2D();
            MathTransform mt = CRS.findMathTransform(bbox.getCoordinateReferenceSystem(), getReader().requestCRS, true);
            mt.transform(fromPos, toPos);
            GetMapRequest mapRequest = getReader().mapRequest;

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        AffineTransform at = worldToScreenTransform(map, width, height);


        Point2D result = null;


        try {
            result = at.inverseTransform(new java.awt.geom.Point2D.Double(x, y),
                    new java.awt.geom.Point2D.Double());
        } catch (NoninvertibleTransformException e) {
            throw new RuntimeException(e);
        }

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  protected void calcTransformedOrigin(float px, float py){
    AffineTransform aff = new AffineTransform();
    aff = getTransform(aff);
    temp[0] = px; temp[1] = py;
    try {
      aff.inverseTransform(temp, 0, temp, 0, 1);
      ox = (float) temp[0] + halfWidth;
      oy = (float) temp[1] + halfHeight;
    } catch (NoninvertibleTransformException e) {
    }
  }

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