Examples of org.eclipse.swt.graphics.Transform.rotate()

Class org.eclipse.swt.graphics.Transform

Examples of org.eclipse.swt.graphics.Transform.rotate()

org.eclipse.swt.graphics.Transform.rotate()
Modifies the receiver so that it represents a transformation that is equivalent to its previous transformation rotated by the specified angle. The angle is specified in degrees and for the identity transform 0 degrees is at the 3 o'clock position. A positive value indicates a clockwise rotation while a negative value indicates a counter-clockwise rotation. @param angle the angle to rotate the transformation by @exception SWTException
- ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed

                .getDoubleY()
                - ((double) bounds.height / 2));


            tr.translate((int) ((double) bounds.width / 2 + x),
                (int) ((double) bounds.height / 2 + y));
            tr.rotate(heading);
            tr.translate((int) (-((double) bounds.width / 2 + x)),
                (int) (-((double) bounds.height / 2 + y)));
            gc.setTransform(tr);
            gc.drawImage(robot.getImage(), x, y);

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        result = result - 360;
      drawCarRotation = result;
    } else {
      drawCarRotation = carRotation;
    }
    transform.rotate((float) drawCarRotation);
    transform.translate(-(carPosition.x), -(carPosition.y));
    gc.setTransform(transform);
    /*
     * Now the graphics has been set up appropriately; draw the car in position
     */

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        tmpGc.drawText(text, 0, 0);


        // set transform to rotate
        Transform transform = new Transform(gc.getDevice());
        transform.translate(x, y);
        transform.rotate(360 - angle);
        gc.setTransform(transform);


        // draw the image on the rotated graphics context
        gc.drawImage(image, 0, 0);

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            tmpGc.drawText(text, 0, 0);


            // set transform to rotate
            Transform transform = new Transform(gc.getDevice());
            transform.translate(0, textWidth);
            transform.rotate(270);
            gc.setTransform(transform);


            // draw the image on the rotated graphics context
            int y = (int) (height / 2d - textWidth / 2d);
            if (y < 0) {

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     * @param theta  the angle of rotation.
     */
    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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                    int contentWidth = Math.min(getLengthFromCache(gc, text),
                            rectangle.height);


                    Transform transform = new Transform(gc.getDevice());
                    if (!isRotateClockwise()) {
                        transform.rotate(-90f);


                        int xOffset = -rectangle.x
                                + (-contentWidth - rectangle.y)
                                - CellStyleUtil.getVerticalAlignmentPadding(
                                        cellStyle, rectangle, contentWidth);

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                                        cellStyle, rectangle, contentHeight)
                                + spacing;


                        transform.translate(xOffset, yOffset);
                    } else {
                        transform.rotate(90f);


                        int horizontalPadding = CellStyleUtil
                                .getHorizontalAlignmentPadding(cellStyle,
                                        rectangle, contentHeight);
                        if (horizontalPadding != 0) {

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                                getLengthFromCache(gc, line), rectangle.height);


                        Transform transform = new Transform(gc.getDevice());


                        if (!isRotateClockwise()) {
                            transform.rotate(-90f);


                            int xOffset = -rectangle.x
                                    + (-lineContentWidth - rectangle.y)
                                    - CellStyleUtil
                                            .getVerticalAlignmentPadding(

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                                                    cellStyle, rectangle,
                                                    contentHeight) + spacing;


                            transform.translate(xOffset, yOffset);
                        } else {
                            transform.rotate(90f);


                            int horizontalPadding = CellStyleUtil
                                    .getHorizontalAlignmentPadding(cellStyle,
                                            rectangle, contentHeight);
                            if (horizontalPadding != 0) {

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    transform.scale(scaleSpinnerX.getSelection() / 100f, scaleSpinnerY.getSelection() / 100f);


    // rotate on center of image
    Rectangle rect = image.getBounds();
    transform.translate(rect.width / 2, rect.height / 2);
    transform.rotate(rotateSpinner.getSelection());
    transform.translate(-rect.width / 2, -rect.height / 2);


    if (invertButton.getSelection())
      transform.invert();

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