PS 函数
PHP 手册

ps_shading

(PECL ps >= 1.3.0)

ps_shadingCreates a shading for later use

说明

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 )

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

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

参数

psdoc

Resource identifier of the postscript file as returned by ps_new().

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() for their meaning).

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.

c1, c2, c3, c4

See ps_setcolor() for their meaning.

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.

返回值

Returns the identifier of the pattern or FALSE in case of an error.

参见


PS 函数
PHP 手册