From e5888a1ffdae813d7575f5fb02275c6bb07e5199 Mon Sep 17 00:00:00 2001 From: Taru Karttunen Date: Wed, 30 Mar 2011 15:46:40 +0300 Subject: Import sources from 2011-03-30 iso image --- sys/src/cmd/plot/libplot/frame.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100755 sys/src/cmd/plot/libplot/frame.c (limited to 'sys/src/cmd/plot/libplot/frame.c') diff --git a/sys/src/cmd/plot/libplot/frame.c b/sys/src/cmd/plot/libplot/frame.c new file mode 100755 index 000000000..bbc37a17c --- /dev/null +++ b/sys/src/cmd/plot/libplot/frame.c @@ -0,0 +1,16 @@ +#include "mplot.h" +void frame(double xs, double ys, double xf, double yf){ + register double osidex, osidey; + osidex = e1->sidex; + osidey = e1->sidey; + e1->left = e0->left + xs * e0->sidex; + e1->bottom = e0->bottom + ys * e0->sidey; + e1->sidex = (xf-xs)*e0->sidex; + e1->sidey = (yf-ys)*e0->sidey; + e1->scalex *= (e1->sidex / osidex); + e1->scaley *= (e1->sidey / osidey); + e1->quantum=e0->quantum/sqrt(e1->scalex*e1->scalex + + e1->scaley*e1->scaley); + if(e1->quantum < .01) + e1->quantum = .01; +} -- cgit v1.2.3