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

Class org.eclipse.swt.graphics.Transform

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

org.eclipse.swt.graphics.Transform.invert()
Modifies the receiver such that the matrix it represents becomes the mathematical inverse of the matrix it previously represented. @exception SWTException
- ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed
- ERROR_CANNOT_INVERT_MATRIX - if the matrix is not invertible

    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();


    gc.setTransform(transform);


    gc.drawImage(image, 0, 0);
    gc.drawRoundRectangle(0, 0, image.getBounds().width, image.getBounds().height, 22, 22);

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