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# cpdf_rlineto

(PHP 3 >= 3.0.9, PHP 4, PHP 5 <= 5.0.4)

cpdf_rlineto -- Draws a line

## 说明

bool cpdf_rlineto ( int pdf_document, float x_coor, float y_coor [, int mode] )

The cpdf_rlineto() function draws a line from the current point to the given relative point.

## 参数

`pdf_document`

  The document handle, returned by cpdf_open().

`x_coor`

  The x-coordinate of the destination point

`y_coor`

  The y-coordinate of the destination point

`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_curveto()

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