Package org.eclipse.swt.graphics

Examples of org.eclipse.swt.graphics.Transform

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                event.gc.drawText(label, r.x + 2, r.y + 2, true);
                event.gc.drawText(info, r.x + 2, r.y + 2 + labelExtend.y, true);
            }
            else
            {
                final Transform transform = new Transform(event.display);
                try
                {
                    transform.translate(r.x, r.y);
                    transform.rotate(-90);
                    event.gc.setTransform(transform);
                    event.gc.drawString(label, -labelExtend.x - 2, 2, true);
                    event.gc.drawString(info, -infoExtend.x - 2, 2 + labelExtend.y, true);
                }
                finally
                {
                    transform.dispose();
                }
            }

            event.gc.setForeground(oldForeground);
            event.gc.setBackground(oldBackground);
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    /* (non-Javadoc)
     * @see java.awt.Graphics2D#getTransform()
     */
    public AffineTransform getTransform() {
        Transform swtTransform = new Transform(this.gc.getDevice());
        this.gc.getTransform(swtTransform);
        AffineTransform awtTransform = toAwtTransform(swtTransform);
        swtTransform.dispose();
        return awtTransform;
    }
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    /* (non-Javadoc)
     * @see java.awt.Graphics2D#transform(java.awt.geom.AffineTransform)
     */
    public void transform(AffineTransform Tx) {
        Transform swtTransform = new Transform(this.gc.getDevice());
        this.gc.getTransform(swtTransform);
        Transform swtMatrix = toSwtTransform(Tx);
        swtTransform.multiply(swtMatrix);
        this.gc.setTransform(swtTransform);
        swtMatrix.dispose();
        swtTransform.dispose();
    }
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    /* (non-Javadoc)
     * @see java.awt.Graphics2D#translate(int, int)
     */
    public void translate(int x, int y) {
        Transform swtTransform = new Transform(this.gc.getDevice());
        this.gc.getTransform(swtTransform);
        swtTransform.translate(x, y);
        this.gc.setTransform(swtTransform);
        swtTransform.dispose();
    }
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    /* (non-Javadoc)
     * @see java.awt.Graphics2D#rotate(double)
     */
    public void rotate(double theta) {
        Transform swtTransform = new Transform(this.gc.getDevice());
        this.gc.getTransform(swtTransform);
        swtTransform.rotate( (float) (theta * 180 / Math.PI));
        this.gc.setTransform(swtTransform);
        swtTransform.dispose();
    }
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    /* (non-Javadoc)
     * @see java.awt.Graphics2D#scale(double, double)
     */
    public void scale(double scaleX, double scaleY) {
        Transform swtTransform = new Transform(this.gc.getDevice());
        this.gc.getTransform(swtTransform);
        swtTransform.scale((float) scaleX, (float) scaleY);
        this.gc.setTransform(swtTransform);
        swtTransform.dispose();
    }
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    /* (non-Javadoc)
     * @see java.awt.Graphics2D#shear(double, double)
     */
    public void shear(double shearX, double shearY) {
        Transform swtTransform = new Transform(this.gc.getDevice());
        this.gc.getTransform(swtTransform);
        Transform shear = new Transform(this.gc.getDevice(), 1f, (float) shearX,
                (float) shearY, 1f, 0, 0);
        swtTransform.multiply(shear);
        this.gc.setTransform(swtTransform);
        swtTransform.dispose();
    }
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     * @param awtTransform  the AWT transform.
     *
     * @return The SWT transform.
     */
    private Transform toSwtTransform(AffineTransform awtTransform) {
        Transform t = new Transform(this.gc.getDevice());
        double[] matrix = new double[6];
        awtTransform.getMatrix(matrix);
        t.setElements((float) matrix[0], (float) matrix[1],
                (float) matrix[2], (float) matrix[3],
                (float) matrix[4], (float) matrix[5]);
        return t;
    }
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                if (stroke != null) {
                    int x, y;
                    Rectangle rect = getClientArea();
                    x = (rect.width - 100) / 2;
                    y = (rect.height - 16) / 2;
                    Transform swtTransform = new Transform(e.gc.getDevice());
                    e.gc.getTransform(swtTransform);
                    swtTransform.translate(x, y);
                    e.gc.setTransform(swtTransform);
                    swtTransform.dispose();
                    e.gc.setBackground(getDisplay().getSystemColor(
                            SWT.COLOR_BLACK));
                    e.gc.setLineWidth((int) stroke.getLineWidth());
                    e.gc.drawLine(10, 8, 90, 8);
                }
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