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Diffstat (limited to 'rtgrpblib_draw_quadratic_bezier.3')
-rw-r--r-- | rtgrpblib_draw_quadratic_bezier.3 | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/rtgrpblib_draw_quadratic_bezier.3 b/rtgrpblib_draw_quadratic_bezier.3 new file mode 100644 index 0000000..f8e5467 --- /dev/null +++ b/rtgrpblib_draw_quadratic_bezier.3 @@ -0,0 +1,57 @@ +.TH RTGRPBLIB_DRAW_QUADRATIC_BEZIER 3 LIBRIFUNKTIONSTECKENSNITTSGLYFRASTERISERINGSPROGRAMBIBLIOTEKET +.SH NAME +rtgrpblib_draw_quadratic_bezier - Draw a quadratic Bézier curve + +.SH DESCRIPTION +.LP +.nf +#include <librifunktionsteckensnittsglyfrasteriseringsprogrambiblioteket.h> + +void rtgrpblib_draw_quadratic_bezier(RTGRPBLIB_RASTER *\fIraster\fP, + double \fIx1\fP, double \fIy1\fP, + double \fIx2\fP, double \fIy2\fP, + double \fIx3\fP, double \fIy3\fP); +.fi +.PP +Link with +.IR "-lrifunktionsteckensnittsglyfrasteriseringsprogrambiblioteket -lm" . + +.SH DESCRIPTION +The +.BR rtgrpblib_draw_quadratic_bezier () +function draws onto +.I raster +a quadratic Bézier curve, as part of a contour, from +.RI ( x1 , +.IR y1 ) +to +.RI ( x3 , +.IR y3 ) +with +.RI ( x2 , +.IR y2 ) +as the additional control point. +.PP +The function draws the linear interpolant of corresponding points in +the line segments +.RI ( x1 , +.IR y1 )-( x2 , +.IR y2 ) +and +.RI ( x2 , +.IR y2 )-( x3 , +.IR y3 ). + +.SH RETURN VALUES +None. + +.SH ERRORS +None. + +.SH SEE ALSO +.BR librifunktionsteckensnittsglyfrasteriseringsprogrambiblioteket (7), +.BR rtgrpblib_create_raster (3), +.BR rtgrpblib_fill_shapes (3), +.BR rtgrpblib_draw_linear_bezier (3), +.BR rtgrpblib_draw_cubic_bezier (3), +.BR rtgrpblib_draw_circular_arc (3) |