ps_open_image

(PECL ps >= 1.1.0)

ps_open_image — Reads an image for later placement

Beschreibung

ps_open_image(
    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.

Parameter-Liste

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

Rückgabewerte

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

Siehe auch

ps_open_image_file() - Opens image from file
ps_place_image() - Places image on the page
ps_close_image() - Closes image and frees memory

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