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Hello I got a problem with panning I am not sure what I am doing wrong, but my image flickers
like crazy and the mouse doesn’t stay on the starting point in the image.
It keeps moving but at a very slow rate. Below is the code that my mouse event calls, the class is
extends JSrollPane() if you know of any sample codes to do panning would love
to know. Thanks int viewPortX =
this.getHorizontalScrollBar().getValue(); int viewPortY =
this.getVerticalScrollBar().getValue(); if(startPoint.x > evt.getX()) { viewPortX = viewPortX + ((startPoint.x
- evt.getX())); } else { if(startPoint.x < evt.getX()) { viewPortX = viewPortX -
((evt.getX() - startPoint.x)); } } if(startPoint.y > evt.getY()) { viewPortY = viewPortY +
((startPoint.y - evt.getY())); } else { if(startPoint.y < evt.getY()) { viewPortY = viewPortY -
((evt.getY() - startPoint.y)); } } startPoint = evt.getPoint(); if(this.getHorizontalScrollBar().getMinimum()
> viewPortX) viewPortX =
this.getHorizontalScrollBar().getMinimum();
if(this.getHorizontalScrollBar().getMaximum() < viewPortX) viewPortX =
this.getHorizontalScrollBar().getMaximum();
if(this.getVerticalScrollBar().getMinimum() > viewPortY) viewPortY =
this.getVerticalScrollBar().getMinimum();
if(this.getVerticalScrollBar().getMaximum() < viewPortY) viewPortY =
this.getVerticalScrollBar().getMaximum(); this.getHorizontalScrollBar().setValue(viewPortX); this.getVerticalScrollBar().setValue(viewPortY); Jorge Acon Chan e-vis Pty. Ltd Tel: (03) 9829 1918 Fax:(03) 9829 1999 Web: www.e-vis.com.au E-mail: [EMAIL PROTECTED] |
