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。