swen100 / cairo

examples/mask-ctm.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\Matrix;

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

use Cairo\Pattern\Surface as PatternSurface;

The type Cairo\Pattern\Surface 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?

$data = '';

$surface = new Image(ImageFormat::ARGB32, 10, 10);
$context = new Context($surface);

for ($i = 0; $i < 4; $i++)
{
	$data = $data.chr(0x80);
	$data = $data.chr(0x00);
	$data = $data.chr(0x00);
	$data = $data.chr(0x00);
}

$s = new Image(ImageFormat::ARGB32, 1, 1);
$s->createForData($data, ImageFormat::ARGB32, 2, 2, 8);
$pat = new PatternSurface($s);

$context->setSourceRgb(1, 0, 0);
$context->save();
$context->translate(2, 2);
$context->mask($pat);
$context->restore();

$matrix = new Matrix();
$matrix->translate(-4, -4);
$pat->setMatrix($matrix);

$context->mask($pat);
$context->translate(2, 2);
$context->mask($pat);

$surface->writeToPng(dirname(__FILE__).'/mask-ctm-php.png');