I was working with the about the scroll pane issues some more, and the more I think about the more I think all I need to do is to get batik to ignore the component size when drawing the form.
So, here is what I did to the updateRenderingTransform() method. What do you think? The flag a refer to might be nice to have as a getter/setter property.
The code below seems good, and is probably a good way to proceed.
However it also occured to me that some of your problems with the scrollbars not being 'synchronized' with the view might be alieviated by using the rendering Transform to set the scroll bar thumb size/location. So when the scroll thumbs move you would update the rendering transform and then catch the componentTransformChanged event and update the scroll thumbs. This way they can't get out of sync. This would also allow for the current pan method to play nice.
----------------- protected boolean updateRenderingTransform() { if ((svgDocument == null) || (gvtRoot == null)) return false; try { SVGSVGElement elt = svgDocument.getRootElement(); Dimension d; if (false) //Some settable flag d = getSize(); else { Dimension2D d2 = getSVGDocumentSize(); d = new Dimension((int)d2.getWidth(),(int)d2.getHeight()); } Dimension oldD = prevComponentSize; if (oldD == null) oldD = d; prevComponentSize = d; if (d.width < 1) d.width = 1; if (d.height < 1) d.height = 1; AffineTransform at = ViewBox.getViewTransform (fragmentIdentifier, elt, d.width, d.height); CanvasGraphicsNode cgn = getCanvasGraphicsNode(); AffineTransform vt = cgn.getViewingTransform(); if (at.equals(vt)) { // No new transform // Only repaint if size really changed. return ((oldD.width != d.width) || (oldD.height != d.height)); }
--------------------- "Nonviolence is the answer to the crucial political and moral questions of our time; the need for man to overcome oppression and violence without resorting to oppression and violence. " -- Martin Luther King Jr.
Mark Claassen
Donnell Systems, Inc.
300 S. St. Louis Blvd. Ste. 203 South Bend, IN 46617
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