update : 2015.11.03
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Applies scaling to a matrix
CairoMatrix
PHP Manual

CairoMatrix::scale

cairo_matrix_scale

(PECL cairo >= 0.1.0)

CairoMatrix::scale -- cairo_matrix_scale — Applies scaling to a matrix

설명

객체 기반 형식 (method):

public void CairoMatrix::scale ( float $sx , float $sy )

절차식 형식:

void cairo_matrix_scale ( CairoContext $context , float $sx , float $sy )

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.

인수

matrix

Procedural only - CairoMatrix instance

sx

scale factor in the X direction

sy

scale factor in the Y direction

예제

Example #1 객체 기반 형식

<?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 절차식 형식

<?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);
?>

참고

CairoMatrix
PHP Manual