Ejemplo n.º 1
0
<?php

$sur = new CairoImageSurface(CairoFormat::ARGB32, 32, 16);
$con = new CairoContext($sur);
$con->save();
$con->setSourceRgb(1, 1, 1);
$con->paint();
$con->restore();
$con->arc(8, 8, 4, 0, M_PI);
$con->closePath();
$con->arc(8, 8, 4, M_PI, 2 * M_PI);
$con->fill();
$con->translate(16, 0);
$con->moveTo(8, 4);
$con->arcNegative(8, 8, 4, 3 * M_PI / 2, M_PI / 2);
$con->closePath();
$con->curveTo(12, 4, 12, 12, 8, 12);
$path = $con->copyPathFlat();
$con->newPath();
$con->appendPath($path);
$con->fill();
$sur->writeToPng(dirname(__FILE__) . "/close-path-php.png");
?>
Ejemplo n.º 2
0
<?php

$dashes = array(50.0, 10.0, 10.0, 10.0);
$ndash = count($dashes);
$offset = -50.0;
$sur = new CairoImageSurface(0, 500, 500);
$con = new CairoContext($sur);
$con->setDash($dashes, $offset);
$con->setLineWidth(10.0);
$con->moveTo(128.0, 25.6);
$con->lineTo(230.4, 230.4);
$con->relLineTo(-102.4, 0.0);
$con->curveTo(51.2, 230.4, 51.2, 128.0, 128.0, 128.0);
$con->stroke();
$sur->writeToPng(dirname(__FILE__) . "/image_dash.png");
Ejemplo n.º 3
0
<?php

$sur = new CairoImageSurface(CairoFormat::RGB24, 165, 30);
$con = new CairoContext($sur);
$con->moveTo(0, 0);
$con->setSourceRgb(1, 1, 1);
$con->paint();
$con->setSourceRgb(0, 0, 0);
$con->moveTo(0, 0);
$con->translate(5, 5);
/* First compress the pen to a vertical line. */
$con->rectangle(0, 0, 20, 20);
$con->curveTo(20 / 2, 0, 20, 20 / 2, 20, 20);
$con->save();
$con->scale(1.0E-5, 1.0);
$con->stroke();
$con->restore();
$con->translate(5 + 20, 0);
/* Then compress the pen to a horizontal line. */
$con->rectangle(0, 0, 20, 20);
$con->curveTo(20 / 2, 0, 20, 20 / 2, 20, 20);
$con->save();
$con->scale(1.0, 1.0E-5);
$con->stroke();
$con->restore();
$con->translate(5 + 20, 0);
/* Finally a line at an angle. */
$con->rectangle(0, 0, 20, 20);
$con->curveTo(20 / 2, 0, 20, 20 / 2, 20, 20);
$con->save();
$con->rotate(M_PI / 4.0);