(PECL cairo >= 0.1.0)
CairoContext::setFontFace -- cairo_set_font_face — The setFontFace purpose
面向对象风格 (method):
过程化风格:
Sets the font-face for a given context.
contextA CairoContext object to change the font-face for.
fontfaceA CairoFontFace object
No value is returned
Example #1 面向对象风格
<?php
// New surface with white background
$s = new CairoImageSurface(CairoFormat::ARGB32, 300, 100);
$c = new CairoContext($s);
$c->setSourceRgb(1, 1, 1);
$c->paint();
// Draw some text
$c->setSourceRgb(0, 0, 0);
$c->moveTo(10, 60);
// Create a new font face
$f = new CairoToyFontFace("sans-serif", CairoFontSlant::NORMAL, CairoFontWeight::NORMAL);
$c->setFontFace($f);
$c->setFontSize(30);
$c->showText('Hello, World!');
$s->writeToPng(dirname(__FILE__) . '/setFontFace.png');
?>
Example #2 过程化风格
<?php
/* ... */
?>