ps_open_image

(PECL ps >= 1.1.0)

ps_open_image — Reads an image for later placement

说明

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.

参数

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

返回值

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

参见

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