Examples of java.awt.Graphics2D.transform()

java.awt.Graphics2D.transform()
Composes an AffineTransform object with the Transform in this Graphics2D according to the rule last-specified-first-applied. If the current Transform is Cx, the result of composition with Tx is a new Transform Cx'. Cx' becomes the current Transform for this Graphics2D. Transforming a point p by the updated Transform Cx' is equivalent to first transforming p by Tx and then transforming the result by the original Transform Cx. In other words, Cx'(p) = Cx(Tx(p)). A copy of the Tx is made, if necessary, so further modifications to Tx do not affect rendering. @param Tx the AffineTransform object to be composed with the current Transform @see #setTransform @see AffineTransform

        Graphics2D g2d = (Graphics2D) g;
        g2d.setStroke(new BasicStroke(1.2f));
        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g2d.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);


        g2d.transform(AffineTransform.getRotateInstance(winkel, this.getWidth() / 2, this.getHeight() / 2));


        for (Kreis c : circles) {
            double x = c.x * scale + tx;
            double y = c.y * scale + ty;
            double r = c.r * scale;

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        // and positive is down and to the right. (0,0) is where the
        // viewBox puts it.
        g2d.translate(fx, fy);
        AffineTransform at = AffineTransform.getScaleInstance(sx, sy);
        if (!at.isIdentity()) {
            g2d.transform(at);
        }


        Rectangle2D area = new Rectangle2D.Double(0.0, 0.0, imw, imh);
        painter.paint(g2d, area);

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                (int) desiredHeight, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g2 = image.createGraphics();


        if (scale) {
            AffineTransform saved = g2.getTransform();
            g2.transform(AffineTransform.getScaleInstance(scaleX, scaleY));
            chart.draw(g2, new Rectangle2D.Double(0, 0, defaultWidth,
                    defaultHeight), null, null);
            g2.setTransform(saved);
            g2.dispose();
        }

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                if (scale) {
                    AffineTransform saved = bufferG2.getTransform();
                    AffineTransform st = AffineTransform.getScaleInstance(
                            this.scaleX, this.scaleY);
                    bufferG2.transform(st);
                    this.chart.draw(bufferG2, chartArea, this.anchor,
                            this.info);
                    bufferG2.setTransform(saved);
                }
                else {

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                if (scale) {
                    AffineTransform saved = bufferG2.getTransform();
                    AffineTransform st = AffineTransform.getScaleInstance(
                            this.scaleX, this.scaleY);
                    bufferG2.transform(st);
                    this.chart.draw(bufferG2, chartArea, this.anchor,
                            this.info);
                    bufferG2.setTransform(saved);
                }
                else {

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                BufferedImage.TYPE_INT_ARGB);
        Graphics2D g2 = image.createGraphics();
        double scaleX = imageWidth / drawWidth;
        double scaleY = imageHeight / drawHeight;
        AffineTransform st = AffineTransform.getScaleInstance(scaleX, scaleY);
        g2.transform(st);
        draw(g2, new Rectangle2D.Double(0, 0, drawWidth, drawHeight), null,
                info);
        g2.dispose();
        return image;

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        Rectangle2D chartArea = new Rectangle2D.Double(0.0, 0.0, drawWidth,
                drawHeight);
        if (scale) {
            AffineTransform st = AffineTransform.getScaleInstance(scaleX,
                    scaleY);
            g2.transform(st);
        }
        chart.draw(g2, chartArea, null, null);
        g2.dispose();
        return image;

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                BufferedImage.TYPE_INT_ARGB);
        Graphics2D g2 = image.createGraphics();
        double scaleX = imageWidth / drawWidth;
        double scaleY = imageHeight / drawHeight;
        AffineTransform st = AffineTransform.getScaleInstance(scaleX, scaleY);
        g2.transform(st);
        draw(g2, new Rectangle2D.Double(0, 0, drawWidth, drawHeight), null,
                info);
        g2.dispose();
        return image;

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                BufferedImage charImage =
                    new BufferedImage(charDim, charDim, BufferedImage.TYPE_INT_ARGB);
                Graphics2D charGraphics = charImage.createGraphics();
                charGraphics.translate(halfCharDim, halfCharDim);
                double angle = (Math.random() - 0.5) * rotationRange;
                charGraphics.transform(AffineTransform.getRotateInstance(angle));
                charGraphics.translate(-halfCharDim, -halfCharDim);
                charGraphics.setColor(textColor);
                charGraphics.setFont(textFont);


                int charX = (int) (0.5 * charDim - 0.5 * charWidth);

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        // g.setColor( new Color( 70, 70, 255));
        g.setColor(Color.GRAY);


        for (int y = 0; y < classNames.length; y++) {
            AffineTransform trans = g.getTransform();
            g.transform(AffineTransform.getTranslateInstance(CELL_PAD * 2
                    + width, CELLS_SIZE + y * (CELLS_SIZE + CELL_PAD)));
            g.transform(AffineTransform.getRotateInstance(Math.PI / 12));
            g.drawString(classNames[y], 0, 0);
            g.setTransform(trans);
        }

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