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cpdf_curveto

(PHP 3 >= 3.0.8, PHP 4, PHP 5 <= 5.0.4)

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。

参见

cpdf_moveto()
cpdf_rmoveto()
cpdf_rlineto()
cpdf_lineto()



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