imageaffinematrixget() - gd函数(图像处理)
imageaffinematrixget()
(PHP 5 >= 5.5.0, PHP 7)
Get an affine transformation matrix
说明
imageaffinematrixget(int $type[,mixed $options]): arrayReturns an affine transformation matrix.
参数
$type One of the IMG_AFFINE_*
constants.
If$typeis IMG_AFFINE_TRANSLATE
or IMG_AFFINE_SCALE
,$optionshas to be an array with keysxandy, both having float values.
If$typeis IMG_AFFINE_ROTATE
,IMG_AFFINE_SHEAR_HORIZONTAL
or IMG_AFFINE_SHEAR_VERTICAL
,$optionshas to be a float specifying the angle.
返回值
An affine transformation matrix(an array with keys0to5and float values)或者在失败时返回FALSE
.
范例
imageaffinematrixget() example
以上例程会输出:
Array ( [0] => 1 [1] => 0 [2] => 0 [3] => 1 [4] => 2 [5] => 3 )
参见
imageaffine()
返回经过仿射变换后的图像,剪切区域可选imageaffinematrixconcat()
Concatenate two affine transformation matrices
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