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Include code examples for use of path form of fl_arc()

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@9937 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
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Greg Ercolano 2013-06-22 12:01:11 +00:00
parent cd56917312
commit 0aba84051a
1 changed files with 18 additions and 0 deletions
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18
FL/fl_draw.H
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@ -394,6 +394,24 @@ inline void fl_curve(double X0, double Y0, double X1, double Y1, double X2, doub
\param[in] start,end angles of start and end of arc measured in degrees \param[in] start,end angles of start and end of arc measured in degrees
counter-clockwise from 3 o'clock. If \p end is less than \p start counter-clockwise from 3 o'clock. If \p end is less than \p start
then it draws the arc in a clockwise direction. then it draws the arc in a clockwise direction.
Examples:
\code
// Draw an arc of points
fl_begin_points();
fl_arc(100.0, 100.0, 50.0, 0.0, 180.0);
fl_end_points();
// Draw arc with a line
fl_begin_line();
fl_arc(200.0, 100.0, 50.0, 0.0, 180.0);
fl_end_line();
// Draw filled arc
fl_begin_polygon();
fl_arc(300.0, 100.0, 50.0, 0.0, 180.0);
fl_end_polygon();
\endcode
*/ */
inline void fl_arc(double x, double y, double r, double start, double end) {fl_graphics_driver->arc(x,y,r,start,end); } inline void fl_arc(double x, double y, double r, double start, double end) {fl_graphics_driver->arc(x,y,r,start,end); }
/** /**