(PECL cairo >= 0.1.0)
CairoContext::clipExtents -- cairo_clip_extents — Computes the area inside the current clip
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Computes a bounding box in user coordinates covering the area inside the current clip.
contextA valid CairoContext object
An array containing the (float)x1, (float)y1, (float)x2, (float)y2, coordinates covering the area inside the current clip
Example #1 ���������
<?php
$surface = new CairoImageSurface(CairoFormat::ARGB32, 50, 50);
$context = new CairoContext($surface);
var_dump($context->clipExtents());
?>
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array(4) {
[0]=>
float(0)
[1]=>
float(0)
[2]=>
float(50)
[3]=>
float(50)
}
Example #2 ���̻����
<?php
$surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 50, 50);
$context = cairo_create($surface);
var_dump(cairo_clip_extents($context));
?>
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array(4) {
[0]=>
float(0)
[1]=>
float(0)
[2]=>
float(50)
[3]=>
float(50)
}