CairoMatrix::scale
cairo_matrix_scale
(PECL cairo >= 0.1.0)
CairoMatrix::scale -- cairo_matrix_scale — Applies scaling to a matrix
说明
面向对象风格 (method):
public CairoMatrix::scale
( float
$sx
, float $sy
) : void过程化风格:
Applies scaling by sx, sy to the transformation in the matrix. The effect of the new transformation is to first scale the coordinates by sx and sy, then apply the original transformation to the coordinates.
参数
-
matrix -
Procedural only - CairoMatrix instance
-
sx -
scale factor in the X direction
-
sy -
scale factor in the Y direction
范例
Example #1 面向对象风格
<?php
/* Apply scaling to a matrix */
$matrix = new CairoMatrix(1.0, 0.5, 0.0, 1.0, 0.0, 0.0);
$matrix->scale(0.2, 2.0);
?>
Example #2 过程化风格
<?php
/* Apply scaling to a matrix */
$matrix = cairo_matrix_init(1.0, 0.5, 0.0, 1.0, 0.0, 0.0);
cairo_matrix_scale($matrix, 0.2, 2.0);
?>