Math function with C Post: 302722239

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ps_shading

PS_SHADING(3)						     Library Functions Manual						     PS_SHADING(3)

NAME

       PS_shading -- Create shading

SYNOPSIS

       #include <pslib.h>

       int PS_shading(PSDoc *psdoc, const char *shtype, float x0, float y0, float x1, float y1, float c1, float c2, float c3, float c4, const char
       *optlist)

DESCRIPTION

       This function creates a shading which can be used by PS_shfill(3) or PS_shading_pattern(3). The type of shading can be either  `radial'	or
       `axial'.  Each  shading	starts	with  the  current  fill color and ends with the given color values passed in the parameters c1 to c4 (see
       PS_setcolor(3)	     for their meaning). The coordinates x0, y0, x1, y1 are the start and end point of the shading.  If the shading is	of
       type `radial' the option list must also contain the parameters r0 and r1 with the radius of the start and end circle.

       The color of the shading can be in any color space except for `pattern'.

RETURN VALUE

       Returns the identifier of the shading or zero in case of an error.  The identifier is a positiv number.

SEE ALSO

       PS_shfill(3), PS_shading_pattern(3)

AUTHOR

       This manual page was written by Uwe Steinmann uwe@steinmann.cx.

																     PS_SHADING(3)