CairoMatrix::rotateCairoMatrix::scale
cairo_matrix_scale
(PECL cairo >= 0.1.0)
CairoMatrix::scale -- cairo_matrix_scale — Applies scaling to a matrix
Descrição
Estilo orientado à objeto (method):
public void CairoMatrix::scale
( float
$sx
, float $sy
)Estilo procedural:
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.
Parâmetros
-
matrix -
Procedural only - CairoMatrix instance
-
sx -
scale factor in the X direction
-
sy -
scale factor in the Y direction
Exemplos
Exemplo #1 Estilo orientado à objeto
<?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);
?>
Exemplo #2 Estilo procedural
<?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);
?>
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