CairoContext::clipExtents
cairo_clip_extents
(PECL cairo >= 0.1.0)
CairoContext::clipExtents -- cairo_clip_extents — Computes the area inside the current clip
Descrição
Estilo orientado à objeto (method):
public CairoContext::clipExtents
( void
) : array
Estilo procedural:
Computes a bounding box in user coordinates covering the area inside the current clip.
Parâmetros
-
context -
A valid CairoContext object
Valor Retornado
An array containing the (float)x1, (float)y1, (float)x2, (float)y2, coordinates covering the area inside the current clip
Exemplos
Exemplo #1 Estilo orientado à objeto
<?php
$surface = new CairoImageSurface(CairoFormat::ARGB32, 50, 50);
$context = new CairoContext($surface);
var_dump($context->clipExtents());
?>
O exemplo acima irá imprimir algo similar à:
array(4) {
[0]=>
float(0)
[1]=>
float(0)
[2]=>
float(50)
[3]=>
float(50)
}
Exemplo #2 Estilo procedural
<?php
$surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 50, 50);
$context = cairo_create($surface);
var_dump(cairo_clip_extents($context));
?>
O exemplo acima irá imprimir algo similar à:
array(4) {
[0]=>
float(0)
[1]=>
float(0)
[2]=>
float(50)
[3]=>
float(50)
}
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