PHP CairoContext::getGroupTarget示例

示例#1

文件： device-offset-positive.php 项目： jamesan/cairo

<?php

$size = 10;
$pad = 2;
$sur = new CairoImageSurface(CairoFormat::ARGB32, $size, $size);
$con = new CairoContext($sur);
$con->setSourceRgb(0, 0, 1);
$con->rectangle($pad, $pad, $size - 2 * $pad, $size - 2 * $pad);
$con->fill();
$s = $con->getGroupTarget();
$c = $s->getContent();
$s1 = $s->createSimilar($c, $size / 2, $size / 2);
$c = new CairoContext($s1);
$c->setSourceRgb(1, 0, 0);
$c->rectangle($pad, $pad, $size - 2 * $pad, $size - 2 * $pad);
$c->fill();
$s1->setDeviceOffset($size / 2, $size / 2);
$con->setSourceSurface($s1, $size / 2, $size / 2);
$con->paint();
$sur->writeToPng(dirname(__FILE__) . "/device-offset-positive-php.png");