ps_open_image
(PECL ps >= 1.1.0)
ps_open_image — Reads an image for later placement
Description
resource
$psdoc
,string
$type
,string
$source
,string
$data
,int
$lenght
,int
$width
,int
$height
,int
$components
,int
$bpc
,string
$params
): int
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
-
psdoc
-
Resource identifier of the postscript file as returned by ps_new().
-
type
-
The type of the image. Possible values are
png
,jpeg
, oreps
. -
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
-
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() - Opens image from file
- ps_place_image() - Places image on the page
- ps_close_image() - Closes image and frees memory