(PECL ps >= 1.1.0)
ps_open_image — Reads an image for later placement
$psdoc,$type,$source,$data,$lenght,$width,$height,$components,$bpc,$params
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.
psdocResource identifier of the postscript file as returned by ps_new().
type
The type of the image. Possible values are png,
jpeg, or eps.
sourceNot used.
dataThe image data.
lengthThe length of the image data.
widthThe width of the image.
heightThe height of the image.
componentsThe number of components for each pixel. This can be 1 (gray scale images), 3 (rgb images), or 4 (cmyk, rgba images).
bpcNumber of bits per component (quite often 8).
params
Returns identifier of image or zero in case of an error. The identifier is a positive number greater than 0.