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

java.awt.geom.AffineTransform.preConcatenate()
Concatenates an AffineTransform Tx to this AffineTransform Cx in a less commonly used way such that Tx modifies the coordinate transformation relative to the absolute pixel space rather than relative to the existing user space. Cx is updated to perform the combined transformation. Transforming a point p by the updated transform Cx' is equivalent to first transforming p by the original transform Cx and then transforming the result by Tx like this: Cx'(p) = Tx(Cx(p)) In matrix notation, if this transform Cx is represented by the matrix [this] and Tx is represented by the matrix [Tx] then this method does the following:
```
 [this] = [Tx] x [this] 
```
@param Tx the AffineTransform object to beconcatenated with this AffineTransform object. @see #concatenate @since 1.2

            
        } else {
            
            // Need to translate the image to the x, y coordinate to
            // have the same behavior as the <use> element
            at.preConcatenate(AffineTransform.getTranslateInstance
                              (primitiveRegion.getX(), primitiveRegion.getY()));
        }


        return new AffineRable8Bit(filter, at);
    }

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        double positions[] = new double[len*2];
        int count = 0;
        
        AffineTransform at = new AffineTransform(fontAT);
        at.getMatrix(fontMatrix);
        at.preConcatenate(AffineTransform.getTranslateInstance(x, y));


        if (((gv.getLayoutFlags() & GlyphVector.FLAG_HAS_TRANSFORMS) != 0)){


            for (int i=0; i < gv.getNumGlyphs(); i++){

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        double matrix[] = new double[6];
        double fontMatrix[] = new double[6];


        AffineTransform at = new AffineTransform(fontAT);
        at.getMatrix(fontMatrix);
        at.preConcatenate(AffineTransform.getTranslateInstance(x, y));
        
        for (int i=0; i < len; i++){
            Glyph gl = ((CommonGlyphVector)gv).vector[i];


            if (gl.getPointWidth() ==0){

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                xPos += advance;
                count++;
            }
        }


        at.preConcatenate(AffineTransform.getTranslateInstance(x, y));
        at.transform(positions, 0, positions, 0, count);


        int status = NativeFont.gdiPlusDrawDriverChars(graphicsInfo,
                chars,
                count,

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        double positions[] = new double[len*2];
        double matrix[] = new double[6];
        
        AffineTransform at = new AffineTransform(fnt.getTransform());
        at.getMatrix(matrix);
        at.preConcatenate(AffineTransform.getTranslateInstance(x, y));


        float xPos = 0;
        float yPos = 0;
       
        int count = 0;

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        long graphicsInfo = ((WinGDIPGraphics2D)g).getGraphicsInfo();


        double matrix[] = new double[6];
        AffineTransform at = new AffineTransform(g.getFont().getTransform());
        at.getMatrix(matrix);
        at.preConcatenate(AffineTransform.getTranslateInstance(x, y));


        int size = len;
        double positions[] = new double[size*2];
        char chars[] = new char[size];

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            if (coordSystemType == SVGUtilities.OBJECT_BOUNDING_BOX) {
                at = SVGUtilities.toObjectBBox(at, filteredNode);
            }


            Rectangle2D bounds = filteredNode.getGeometryBounds();
            at.preConcatenate(AffineTransform.getTranslateInstance
                              (primitiveRegion.getX() - bounds.getX(), 
                               primitiveRegion.getY() - bounds.getY()));
            
        } else {

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        float w = (float)bounds.getWidth();
        float h = (float)bounds.getHeight();


        AffineTransform at
            = ViewBox.getPreserveAspectRatioTransform(e, vb, w, h);
        at.preConcatenate(AffineTransform.getTranslateInstance(x, y));
        node.setTransform(at);


        // 'overflow' and 'clip'
        Shape clip = null;
        if (CSSUtilities.convertOverflow(e)) { // overflow:hidden

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        s = e.getAttributeNS(null, SVG_TRANSFORM_ATTRIBUTE);
        AffineTransform at = AffineTransform.getTranslateInstance(x, y);


        // 'transform'
        if (s.length() != 0) {
            at.preConcatenate
                (SVGUtilities.convertTransform(e, SVG_TRANSFORM_ATTRIBUTE, s));
        }
        gn.setTransform(at);


        // set an affine transform to take into account the (x, y)

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    public AffineTransform getGlobalTransform(){
        AffineTransform ctm = new AffineTransform();
        GraphicsNode node = this;
        while (node != null) {
            if(node.getTransform() != null){
                ctm.preConcatenate(node.getTransform());
            }
            node = node.getParent();
        }
        return ctm;
    }

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