PHP Portal » PHP Handbuch » CairoMatrix::scale

Werbung

CairoMatrix::scale


(PECL cairo >= 0.1.0)

CairoMatrix::scale -- cairo_matrix_scaleApplies scaling to a matrix

Beschreibung

Object oriented style (method):

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

Procedural style:

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.

Parameter-Liste

matrix

Procedural only - CairoMatrix instance

sx

scale factor in the X direction

sy

scale factor in the Y direction

Beispiele

PHP Code
1
2
3
/* 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);

PHP Code
1
2
3
/* 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);

Siehe auch