swen100 / cairo

examples/degenerate-arc.php

<?php

use Cairo\Context;

The type Cairo\Context was not found. Maybe you did not declare it correctly or list all dependencies?

use Cairo\LineCap;

The type Cairo\LineCap was not found. Maybe you did not declare it correctly or list all dependencies?

use Cairo\Surface\Image;

The type Cairo\Surface\Image was not found. Maybe you did not declare it correctly or list all dependencies?

use Cairo\Surface\ImageFormat;

The type Cairo\Surface\ImageFormat was not found. Maybe you did not declare it correctly or list all dependencies?

$surface = new Image(ImageFormat::ARGB32, 40, 40);
$context = new Context($surface);

$context->setSourceRgb(1, 1, 1);
$context->paint();
$context->setLineCap(LineCap::ROUND);
$context->setLineWidth(5);
$context->setSourceRgb(0, 1, 0);

for ($n = 0; $n < 8; $n++)
{
	$theta = $n * 2 * M_PI / 8;
	$context->newSubPath();
	$context->arc(20, 20, 15, $theta, $theta);
	$context->closePath();
}

$context->stroke();
$context->setLineWidth(2);
$context->setSourceRgb(0, 0, 1);

for ($n = 0; $n < 8; $n++)
{
	$theta = $n * 2 * M_PI / 8;
	$context->moveTo(20, 20);
	$context->arc(20, 20, 15, $theta, $theta);
	$context->closePath();
}

$context->stroke();
$context->setSourceRgb(1, 0, 0);
$context->arc(20, 20, 2, 0, 2 * M_PI);
$context->fill();

$surface->writeToPng(dirname(__FILE__).'/degenerate-arc-php.png');