PHP5中文手册·Reads an image for later placement -- 追寻梦想＞编程乐园＞PHP 编程

说明

int ps_open_image ( resource $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.

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.


	PHP5中文手册 ps_open_image_file ps_open_memory_image PS PHP Manual ps_open_image (PECL ps:1.1.0-1.3.5) ps_open_image — Reads an image for later placement 说明 int ps_open_image ( resource `$psdoc` , string `$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. 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 ps_open_image_file() ps_place_image() ps_close_image() ps_open_image_file ps_open_memory_image PS PHP Manual

ps_open_image

说明

参数

返回值

参见