diff options
| author | Michael R Sweet <michael.r.sweet@gmail.com> | 1999-06-12 12:38:14 +0000 |
|---|---|---|
| committer | Michael R Sweet <michael.r.sweet@gmail.com> | 1999-06-12 12:38:14 +0000 |
| commit | c227a1f36947df98f7e87914adc3851c0eb5bf5a (patch) | |
| tree | dd51c9648062e4fdd1a0e1f969cee616af9ad4ee | |
| parent | f7c57a37300a434e946b91034fda9731656543dd (diff) | |
Fixed drawing bug when min == max...
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.0@599 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
| -rw-r--r-- | src/Fl_Chart.cxx | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/Fl_Chart.cxx b/src/Fl_Chart.cxx index 578a16835..9f46d3c80 100644 --- a/src/Fl_Chart.cxx +++ b/src/Fl_Chart.cxx @@ -1,5 +1,5 @@ // -// "$Id: Fl_Chart.cxx,v 1.5 1999/02/01 20:15:00 mike Exp $" +// "$Id: Fl_Chart.cxx,v 1.5.2.1 1999/06/12 12:38:14 mike Exp $" // // Forms-compatible chart widget for the Fast Light Tool Kit (FLTK). // @@ -44,9 +44,11 @@ static void draw_barchart(int x,int y,int w,int h, /* Draws a bar chart. x,y,w,h is the bounding box, entries the array of numb entries and min and max the boundaries. */ { - double incr = h/(max-min); + double incr; int zeroh; double lh = fl_height(); + if (max == min) incr = h; + else incr = h/(max-min); if ( (-min*incr) < lh) { incr = (h - lh + min*incr)/(max-min); zeroh = int(y+h-lh); @@ -90,8 +92,10 @@ static void draw_horbarchart(int x,int y,int w,int h, if (w1 > lw) lw = w1; } if (lw > 0.0) lw += 4.0; - double incr = w/(max-min); + double incr; int zeroh; + if (max == min) incr = w; + else incr = w/(max-min); if ( (-min*incr) < lw) { incr = (w - lw + min*incr)/(max-min); zeroh = x+int(lw+.5); @@ -127,7 +131,9 @@ static void draw_linechart(int type, int x,int y,int w,int h, { int i; double lh = fl_height(); - double incr = (h-2.0*lh)/ (max-min); + double incr; + if (max == min) incr = h-2.0*lh; + else incr = (h-2.0*lh)/ (max-min); int zeroh = int(y+h-lh+min * incr + .5); double bwidth = w/double(autosize?numb:maxnumb); /* Draw the values */ @@ -371,5 +377,5 @@ void Fl_Chart::maxsize(int m) { } // -// End of "$Id: Fl_Chart.cxx,v 1.5 1999/02/01 20:15:00 mike Exp $". +// End of "$Id: Fl_Chart.cxx,v 1.5.2.1 1999/06/12 12:38:14 mike Exp $". // |