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PHP5中文手册

cpdf_curveto

(PHP 4, PHP 5 <= 5.0.5)

cpdf_curveto — Draws a curve

说明

bool cpdf_curveto ( int $pdf_document , float $x1 , float $y1 , float $x2 , float $y2 , float $x3 , float $y3 [, int $mode ] )

Draws a Bezier curve from the current point to the point (x3 , y3 ) using (x1 , y1 ) and (x2 , y2 ) as control points.

参数

pdf_document

The document handle, returned by cpdf_open().

x1

x-coordinate for the first control point

y1

y-coordinate for the first control point

x2

x-coordinate for the second control point

y2

y-coordinate for the second control point

x3

x-coordinate for the target

y3

y-coordinate for the target

mode

The optional parameter mode determines the unit length. If it is 0 or omitted the default unit as specified for the page is used. Otherwise the coordinates are measured in postscript points disregarding the current unit.

返回值

如果成功则返回 TRUE,失败则返回 FALSE