Php/docs/function.ps-place-image
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ps_place_image
(PECL ps >= 1.1.0)
ps_place_image — Places image on the page
说明
ps_place_image
( resource $psdoc
, int $imageid
, float $x
, float $y
, float $scale
) : bool
Places a formerly loaded image on the page. The image can be scaled. If the image shall be rotated as well, you will have to rotate the coordinate system before with ps_rotate().
参数
psdoc- Resource identifier of the postscript file as returned by ps_new().
imageid- The resource identifier of the image as returned by ps_open_image() or ps_open_image_file().
x- x-coordinate of the lower left corner of the image.
y- y-coordinate of the lower left corner of the image.
scale- The scaling factor for the image. A scale of 1.0 will result in a resolution of 72 dpi, because each pixel is equivalent to 1 point.
返回值
成功时返回 true， 或者在失败时返回 false。
参见
- ps_open_image() - Reads an image for later placement
- ps_open_image_file() - Opens image from file
