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(PECL ps >= 1.1.0)
ps_open_image — Reads an image for later placement
$psdoc
, string $type
, string $source
, string $data
, int $lenght
, int $width
, int $height
, int $components
, int $bpc
, string $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.
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
Returns identifier of image or zero in case of an error. The identifier is a positive number greater than 0.