cpdf_curveto

Draws a curve (PHP 3 >= 3.0.8, PHP 4, PHP 5 <= 5.0.4)
bool cpdf_curveto ( int pdf_document, float x1, float y1, float x2, float y2, float x3, float y3 [, int mode] )

The cpdf_curveto() function draws a Bezier curve from the current point to the point (x3, y3) using (x1, y1) and (x2, y2) as control points. 如果成功则返回 TRUE,失败则返回 FALSE

可选参数 mode 决定单元的长度。如果为 0 或被省略则使用该页指定的默认单元。否则坐标忽略当前单元而使用 postscript 的点来度量。

See also cpdf_moveto(), cpdf_rmoveto(), cpdf_rlineto() and cpdf_lineto().