(PECL cairo >= 0.1.0)
CairoContext::fontExtents -- cairo_font_extents — Get the font extents
Estilo orientado à objeto (method):
Estilo procedural:
Gets the font extents for the currently selected font.
contextDescription...
An array containing the font extents for the current font.
Exemplo #1 Estilo orientado à objeto
<?php
$sur = new CairoImageSurface(CairoFormat::ARGB32, 50, 50);
$con = new CairoContext($sur);
var_dump($con->fontExtents());
?>
O exemplo acima irá imprimir algo similar à:
array(5) {
["ascent"]=>
float(10)
["descent"]=>
float(3)
["height"]=>
float(13.3125)
["max_x_advance"]=>
float(26.65625)
["max_y_advance"]=>
float(0)
}
Exemplo #2 Estilo procedural
<?php
$sur = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 50, 50);
$con = cairo_create($sur);
var_dump(cairo_font_extents($con));
?>
O exemplo acima irá imprimir algo similar à:
array(5) {
["ascent"]=>
float(10)
["descent"]=>
float(3)
["height"]=>
float(13.3125)
["max_x_advance"]=>
float(26.65625)
["max_y_advance"]=>
float(0)
}