PHP Manual
Imagick
Scales an image with pixel sampling

Imagick::sampleImage

(PECL imagick 2.0.0)

Imagick::sampleImage — Scales an image with pixel sampling

说明

Imagick::sampleImage ( int $columns , int $rows ) : bool

Scales an image to the desired dimensions with pixel sampling. Unlike other scaling methods, this method does not introduce any additional color into the scaled image.

参数

columns
rows

返回值

成功时返回 TRUE。

php gmagick scales the size of an image php imagick replaces colors in the image php imagick applies a custom convolution kernel to the image php imagick evaluate expression for each pixel in the image php imagick returns the image profiles php imagick adjusts the levels of an image php imagick scales an image proportionally 2x php imagick scales an image proportionally to half its size php imagick negates the colors in the reference image php imagick reduces the image to a limited number of color level php imagick recolors image php imagick scales an image php imagick scales an image with pixel sampling php imagick scales the size of an image php imagick set image artifact php imagick sets the image disposal method php imagick sets the image interpolate pixel method php imagick sets the image virtual pixel method php imagick sets the image sampling factors php imagick applies a color vector to each pixel in the image