private void calcViewPort(ViewPort viewPort) throws NoninvertibleTransformException {
viewPortList = new ViewPort[numCols * numRows];
/*
* if(viewPort.getImageWidth() < width && viewPort.getImageHeight() <
* height){ viewPortList[0] = viewPort; return; }
*/
int vpCnt = 0;
double imgPxX = viewPort.getImageWidth();
double dWcX = viewPort.getAdjustedExtent().getWidth();
double tileWcW = (getTile(vpCnt).getSize().getWidth() * dWcX) / imgPxX;
double imgPxY = viewPort.getImageHeight();
double dWcY = viewPort.getAdjustedExtent().getHeight();
double tileWcH = (getTile(vpCnt).getSize().getHeight() * dWcY) / imgPxY;
viewPortList[0] = viewPort.cloneViewPort();
viewPortList[0].setImageSize(getTile(vpCnt).getSize());
viewPortList[0].setExtent(
new Rectangle2D.Double(
viewPort.getAdjustedExtent().getMinX(),
viewPort.getAdjustedExtent().getMaxY() - tileWcH,
tileWcW,
tileWcH));
viewPortList[0].setAffineTransform(mat);
double wt = tileWcW;
double ht = tileWcH;
double xt = viewPort.getAdjustedExtent().getMinX();
double yt = viewPort.getAdjustedExtent().getMaxY() - tileWcH;
for (int stepY = 0; stepY < numRows; stepY++) {
wt = tileWcW;
xt = viewPort.getAdjustedExtent().getMinX();
for (int stepX = 0; stepX < numCols; stepX++) {
vpCnt = stepY * numCols + stepX;
if (vpCnt > 0) {
if (stepX > 0) xt += wt;
if ((xt + wt) > viewPort.getAdjustedExtent().getMaxX())
wt = Math.abs(viewPort.getAdjustedExtent().getMaxX() - xt);
viewPortList[vpCnt] = viewPort.cloneViewPort();
viewPortList[vpCnt].setImageSize(getTile(vpCnt).getSize());
viewPortList[vpCnt].setExtent(new Rectangle2D.Double(xt, yt, wt, ht));
viewPortList[vpCnt].setAffineTransform(mat);
}
// System.out.println("ViewPort: "+vpCnt+" "+viewPortList[vpCnt].getAdjustedExtent()+"
// "+getTile(vpCnt).getSize());
}
if ((yt - ht) < viewPort.getAdjustedExtent().getMinY()) {
ht = Math.abs(yt - viewPort.getAdjustedExtent().getMinY());
yt = viewPort.getAdjustedExtent().getMinY();
} else yt -= ht;
}
}
