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Improve edge behavior.

This commit is contained in:
Jonathan Moore Liles 2008-03-13 23:57:14 -05:00
parent 649158d429
commit a002805fcc
1 changed files with 12 additions and 2 deletions
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12
Fl_Arc_Dial.H
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@ -23,6 +23,8 @@
#include <FL/Fl_Dial.H>
#include <algorithm>
class Fl_Arc_Dial : public Fl_Dial
{
@ -73,8 +75,16 @@ protected:
if ( type() == FL_FILL_DIAL )
fl_arc( X, Y, W, H, 270 - angle1(), 270 - angle );
else
fl_arc( X, Y, W, H, 270 - angle - 3, 270 - angle + 3 );
{
const int d = 6;
/* account for edge conditions */
angle = angle < angle1() + d ? angle1() + d : angle;
angle = angle > angle2() - d ? angle2() - d : angle;
fl_arc( X, Y, W, H, 270 - (angle - d), 270 - (angle + d) );
fl_line_style( FL_SOLID, 0 );
}
}
};