php man page for ps_open_image

PS_OPEN_IMAGE(3)							 1							  PS_OPEN_IMAGE(3)

ps_open_image - Reads an image for later placement

SYNOPSIS
       int  ps_open_image  (resource  $psdoc, string  $type, string  $source, string  $data, int  $lenght, int	$width, int  $height, int  $compo-
       nents, int  $bpc, string  $params)

DESCRIPTION
	Reads an image which is already available in memory. The parameter $source is currently not evaluated and assumed to be memory. The  image
       data  is  a  sequence  of  pixels starting in th upper left corner and ending in the lower right corner. Each pixel consists of $components
       color components, and each component has $bpc bits.

PARAMETERS
	      o $psdoc
		- Resource identifier of the postscript file as returned by ps_new(3).

	      o $type
		- The type of the image. Possible values are png, jpeg, or eps.

	      o $source
		- Not used.

	      o $data
		- The image data.

	      o $length
		- The length of the image data.

	      o $width
		- The width of the image.

	      o $height
		- The height of the image.

	      o $components
		- The number of components for each pixel. This can be 1 (gray scale images), 3 (rgb images), or 4 (cmyk, rgba images).

	      o $bpc
		- Number of bits per component (quite often 8).

	      o $params
		-

RETURN VALUES
	Returns identifier of image or zero in case of an error. The identifier is a positive number greater than 0.

SEE ALSO
       ps_open_image_file(3), ps_place_image(3), ps_close_image(3).

PHP Documentation Group 													  PS_OPEN_IMAGE(3)