CairoContext::clipExtents

cairo_clip_extents

(PECL cairo >= 0.1.0)

CairoContext::clipExtents -- cairo_clip_extents — Computes the area inside the current clip

Descrierea

Stil obiect-orientat (method):

public CairoContext::clipExtents ( void ) : array

Stil procedural:

cairo_clip_extents ( CairoContext $context ) : array

Computes a bounding box in user coordinates covering the area inside the current clip.

Parametri

context

A valid CairoContext object

Valorile întoarse

An array containing the (float)x1, (float)y1, (float)x2, (float)y2, coordinates covering the area inside the current clip

Exemple

Example #1 Stil obiect-orientat

<?php

$surface = new CairoImageSurface(CairoFormat::ARGB32, 50, 50);

$context = new CairoContext($surface);

var_dump($context->clipExtents());
?>

Exemplul de mai sus va afișa ceva similar cu:

array(4) {
  [0]=>
  float(0)
  [1]=>
  float(0)
  [2]=>
  float(50)
  [3]=>
  float(50)
}

Example #2 Stil procedural

<?php

$surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 50, 50);

$context = cairo_create($surface);

var_dump(cairo_clip_extents($context));

?>

Exemplul de mai sus va afișa ceva similar cu:

array(4) {
  [0]=>
  float(0)
  [1]=>
  float(0)
  [2]=>
  float(50)
  [3]=>
  float(50)
}

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