php man page for ps_shading

PS_SHADING(3)								 1							     PS_SHADING(3)

ps_shading - Creates a shading for later use

SYNOPSIS
       int  ps_shading (resource  $psdoc, string  $type, float	$x0, float  $y0, float	$x1, float  $y1, float	$c1, float  $c2, float	$c3, float
       $c4, string  $optlist)

DESCRIPTION
	Creates a shading, which can be used by ps_shfill(3) or ps_shading_pattern(3).

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

PARAMETERS
	      o $psdoc
		- Resource identifier of the postscript file as returned by ps_new(3).

	      o $type
		- 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).

	      o $x0, x1, y0, y1
		-  The	coordinates $x0, $y0, $x1, $y1 are the start and end point of the shading. If the type of shading is radial the two points
		are the middle points of a starting and ending circle.

	      o $c1, c2, c3, c4
		- See ps_setcolor(3) for their meaning.

	      o $optlist
		- If the shading is of type radial the $optlist must also contain the parameters r0 and r1 with the radius of the  start  and  end
		circle.

RETURN VALUES
	Returns the identifier of the pattern or FALSE on failure.

SEE ALSO
       ps_shading_pattern(3), ps_shfill(3).

PHP Documentation Group 													     PS_SHADING(3)