Examples of java.awt.geom.Area.transform()

java.awt.geom.Area.transform()
Transforms the geometry of this Area using the specified {@link AffineTransform}. The geometry is transformed in place, which permanently changes the enclosed area defined by this object. @param t the transformation used to transform the area @throws NullPointerException if t is null @since 1.2

        //workout transformation for the image
        AffineTransform image_at =new AffineTransform(Trm[0][0]*scale,-Trm[0][1]*scale,-Trm[1][0]*scale,Trm[1][1]*scale,0,0);
        
        //apply it to the shape first so we can align
        Area r =new Area(new Rectangle(0,0,w,h));
        r.transform(image_at);
        
        //make sure it fits onto image (must start at 0,0)
        ny = r.getBounds2D().getY();
        nx = r.getBounds2D().getX();
        image_at =new AffineTransform(Trm[0][0]*scale,-Trm[0][1]*scale,-Trm[1][0]*scale,Trm[1][1]*scale,-nx,-ny);

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            //workout transformation for the image
            AffineTransform image_at =new AffineTransform(Trm[0][0]*scale,Trm[0][1]*scale,Trm[1][0]*scale,Trm[1][1]*scale,0,0);


            //apply it to the shape first so we can align
            Area r =new Area(new Rectangle(0,0,w,h));
            r.transform(image_at);


            //make sure it fits onto image (must start at 0,0)
            double ny = r.getBounds2D().getY();
            double nx = r.getBounds2D().getX();

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    Area final_clip = (Area) current_shape.clone();


    //if not working at 72 dpi, alter clip to fit
    if(scale!=1){
      AffineTransform af=AffineTransform.getScaleInstance(scale,scale);
      final_clip.transform(af);
    }


    //actual size so we can trap any rounding error
    int image_w = current_image.getWidth();
    int image_h = current_image.getHeight();

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    double d_y = (image_h - shape_h);
    AffineTransform upside_down = new AffineTransform();
    upside_down.translate(-shape_x, -shape_y); //center
    upside_down.scale(1, -1); //reflect in x axis
    upside_down.translate(shape_x, - (shape_y + shape_h));
    final_clip.transform(upside_down);


    //line up to shape
    AffineTransform align_clip = new AffineTransform();


    //if not working at 72 dpi, alter clip to fit

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    //line up to shape
    AffineTransform align_clip = new AffineTransform();


    //if not working at 72 dpi, alter clip to fit
    align_clip.translate(-i_x*scale, (i_y*scale) + d_y);
    final_clip.transform(align_clip);


    //co-ords of transformed shape
    //reset sizes to remove area clipped
    double x = final_clip.getBounds2D().getX();
    double y = final_clip.getBounds2D().getY();

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                                    if(glyph.getShape()!=null){


                                        Area glyphShape=(Area) (glyph.getShape()).clone();


                                        glyphShape.transform(at);


                                        if(glyphShape.getBounds().getWidth()>0 &&
                                                glyphShape.getBounds().getHeight()>0){


                                            gs.addClip(glyphShape);

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                    Area glyphShape=(Area) glyph.clone();


                    //we need to apply to make it all work
                    glyphShape.transform(glyphAt);


                    //if its already generated we just need to move it
                    if(renderDirectly){
                        AffineTransform at2 =AffineTransform.getTranslateInstance(displayTrm[2][0],(displayTrm[2][1]));
                        glyphShape.transform(at2);

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                    glyphShape.transform(glyphAt);


                    //if its already generated we just need to move it
                    if(renderDirectly){
                        AffineTransform at2 =AffineTransform.getTranslateInstance(displayTrm[2][0],(displayTrm[2][1]));
                        glyphShape.transform(at2);
                    }


                    gs.addClip(glyphShape);


                    current.drawClip(gs,null,false);

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            Area clipShape = gs.getClippingShape();
            if(clipShape!=null) {


                //scale if needed
                if(scaling!=1)
                    clipShape.transform(AffineTransform.getScaleInstance(scaling, scaling));


                clip=clipShape.getBounds();


            }
            boolean applyClip=false;

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                    //ensure inside box
          if(glyphX<0){
            glyphX=-glyphX;
            at =AffineTransform.getTranslateInstance(glyphX*2,0);
            transformedGlyph2.transform(at);
            //x=-glyphX*2;
          }


          double glyphWidth=gv1.getVisualBounds().getWidth()+(glyphX*2);
          double scaleFactor=currentWidth/glyphWidth;

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