ps_open_image Reads an image for later placement &reftitle.description; intps_open_image resourcepsdoc stringtype stringsource stringdata intlenght intwidth intheight intcomponents intbpc stringparams 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. &reftitle.parameters; psdoc Resource identifier of the postscript file as returned by ps_new. type The type of the image. Possible values are png, jpeg, or eps. source Not used. data The image data. length The length of the image data. width The width of the image. height The height of the image. components The number of components for each pixel. This can be 1 (gray scale images), 3 (rgb images), or 4 (cmyk, rgba images). bpc Number of bits per component (quite often 8). params &reftitle.returnvalues; Returns identifier of image or zero in case of an error. The identifier is a positive number greater than 0. &reftitle.seealso; ps_open_image_file ps_place_image ps_close_image