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

            
            if (ch == ' ') continue;
            
            info = glyphHash.containsKey(ch) ? (DLInfo)glyphHash.get(ch) : null;            
            try {
                fontAT.inverseTransform(gv.getGlyphPosition(i), pos);
            } catch (NoninvertibleTransformException e) {                
            }
            
            gl.glTranslated(pos.x, pos.y, 0);
            if (info == null || !info.isValid()) {

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        Point.Float pos = new Point.Float();
        Paint paint = g.getPaint(); 
        boolean isAntialias = g.getRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING) == RenderingHints.VALUE_TEXT_ANTIALIAS_ON;
        
        try {
            fontAT.inverseTransform(new Point.Double(x + fontAT.getTranslateX(), y + fontAT.getTranslateY()), pos);
        } catch (NoninvertibleTransformException e) {   
//          TODO determinant equals 0 => point or line
            g.fill(font.createGlyphVector(g.getFontRenderContext(), str).getOutline(x, y));
            return;
        }

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        AffineTransform fontAT = (AffineTransform)font.getTransform().clone();
        Point.Float pos = new Point.Float();
        boolean isAntialias = g.getRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING) == RenderingHints.VALUE_TEXT_ANTIALIAS_ON;   
        
        try {
            fontAT.inverseTransform(new Point.Double(x + fontAT.getTranslateX(), y + fontAT.getTranslateY()), pos);
        } catch (NoninvertibleTransformException e) {
            //TODO determinant equals 0 => point or line
            g.fill(gv.getOutline(x, y));
            return;
        }

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                continue;
            }
            
            final DLInfo info = glyphHash.containsKey(ch) ? (DLInfo)glyphHash.get(ch) : null;
            try {
                fontAT.inverseTransform(gv.getGlyphPosition(i), pos);
            } catch (NoninvertibleTransformException e) {                
            }
            
            gl.glTranslated(pos.x, pos.y, 0);
            if (info == null || !info.isValid()) {

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                    // Transform location into shape coordinates
                    AffineTransform affineTransform = shape.getTransforms().getAffineTransform();
                    java.awt.Point location = new java.awt.Point(x - origin.x, y - origin.y);


                    try {
                        affineTransform.inverseTransform(location, location);
                        if (shape.contains(location.x, location.y)) {
                            break;
                        }
                    } catch (NoninvertibleTransformException exception) {
                        // No-op

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                float y2 = element[j][5];


                try {
                    assertEquals(
                            new Point2D.Double(x2, y2),
                            at.inverseTransform(new Point2D.Double(x1, y1), null));
                    assertEquals(
                            new Point2D.Float(x2, y2),
                            at.inverseTransform(new Point2D.Float(x1, y1), null));


                    Point2D dst = new Point2D.Double();

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                    assertEquals(
                            new Point2D.Double(x2, y2),
                            at.inverseTransform(new Point2D.Double(x1, y1), null));
                    assertEquals(
                            new Point2D.Float(x2, y2),
                            at.inverseTransform(new Point2D.Float(x1, y1), null));


                    Point2D dst = new Point2D.Double();
                    assertEquals(
                            new Point2D.Double(x2, y2),
                            at.inverseTransform(new Point2D.Double(x1, y1), dst));

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                            at.inverseTransform(new Point2D.Float(x1, y1), null));


                    Point2D dst = new Point2D.Double();
                    assertEquals(
                            new Point2D.Double(x2, y2),
                            at.inverseTransform(new Point2D.Double(x1, y1), dst));
                    assertEquals(
                            new Point2D.Double(x2, y2),
                            dst);
                } catch(NoninvertibleTransformException e) {
                    fail(e.toString());

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        AffineTransform at = new AffineTransform(0, 1, -2, 0, 3, 4);
        double[] src = new double[]{0, 0, 0, 0, 0, 0, 1, 1, 0, 0};
        double[] dst = new double[6];
        double[] expected = new double[]{0, 0, -4, 1.5, -3, 1};
        try {
            at.inverseTransform(src, 4, dst, 2, 2);
            assertEquals(expected, dst, 6, 0.0);
        } catch(NoninvertibleTransformException e) {
            fail(e.toString());
        }
    }

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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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