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CairoContext::clipExtents

cairo_clip_extents

(PECL cairo >= 0.1.0)

CairoContext::clipExtents -- cairo_clip_extentsComputes the area inside the current clip

Descrição

Estilo orientado à objeto (method):

public array CairoContext::clipExtents ( void )

Estilo procedural:

array cairo_clip_extents ( CairoContext $context )

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::ARGB325050);

$context = new CairoContext($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_ARGB325050);

$context cairo_create($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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