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58 lines
1.5 KiB
Plaintext
58 lines
1.5 KiB
Plaintext
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$FreeBSD$
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--- source/graph.c.orig Wed Jul 24 00:01:06 2002
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+++ source/graph.c Wed Jul 24 00:01:07 2002
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@@ -608,7 +608,7 @@
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void getDrawingScale()
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{
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float xoff, yoff;
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- float scl;
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+ float iscl; /* inverse scale */
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int width, height;
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int ww;
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int nx, ny, id;
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@@ -630,25 +630,27 @@
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width = width / nx;
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height = height / ny;
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- if(state > HAVE_NOTHING){
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- scl = 1./max(xmax-xmin,ymax-ymin);
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- xoff = -scl*(xmin+.5*(xmax-xmin)-.5/scl);
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- yoff = -scl*(ymin+.5*(ymax-ymin)-.5/scl);
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-
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- xoff = - xmin*scl*.85;
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- yoff = - ymin*scl*.85;
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-
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- ww = min(width, height);
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- Xscl = (int) ((float)ww * 0.85 * scl);
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- Xxoff = (int) ww * xoff ;
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- Xyoff = (int) ww * yoff;
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- Xxoff += (int) (width - ( Xscl*xmax +Xxoff))/2 + (id+nx-1)%nx *width;
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- Xyoff += (int) (height - ( Xscl*ymax +Xyoff))/2 + (int)(id/(nx+.5)) *height;
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- }
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+ iscl = max(xmax-xmin,ymax-ymin);
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+ if (iscl != 0.0) {
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+ if(state > HAVE_NOTHING) {
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+/* These are recalculated ??
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+ xoff = .5-(xmin+.5*(xmax-xmin))/iscl;
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+ yoff = .5-(ymin+.5*(ymax-ymin))/iscl;
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+*/
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+ xoff = - xmin*.85/iscl;
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+ yoff = - ymin*.85/iscl;
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+ ww = min(width, height);
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+ Xscl = (int) ((float)ww * 0.85 / iscl);
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+ Xxoff = (int) ww * xoff ;
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+ Xyoff = (int) ww * yoff;
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+ Xxoff += (int) (width - ( Xscl*xmax +Xxoff))/2 + (id+nx-1)%nx *width;
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+ Xyoff += (int) (height - ( Xscl*ymax +Xyoff))/2 + (int)(id/(nx+.5)) *height;
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+ }
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SetDrawArea(drawWindow);
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if(device == PS)
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psGetScale();
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+ }
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}
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void getBoundaryScale(Widget w, void *data)
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