if (isset($_REQUEST['box7']) && $_REQUEST['box7'] == "true") {
if ($x > 3) {
$y -= 150;
$x = 0;
}
begin_example_box($ps, LEFT_BORDER + (EXAMPLE_BOX_WIDTH + 30) * $x++, $y, "Curves", $psfont);
ps_moveto($ps, 10, 10);
ps_curveto($ps, 10, 40, 40, 20, 50, 20);
ps_curveto($ps, 50, 20, 80, 90, 20, 70);
ps_curveto($ps, 20, 70, 80, 20, 10, 10);
ps_stroke($ps);
ps_setcolor($ps, "both", "rgb", 1.0, 0.0, 0.0, 0.0);
ps_moveto($ps, 50, 10);
ps_curveto($ps, 50, 10, 110, 40, 90, 90);
ps_curveto($ps, 90, 90, 30, 90, 80, 70);
ps_curveto($ps, 80, 70, 100, 10, 50, 10);
ps_fill($ps);
end_example_box($ps);
}
if (isset($_REQUEST['box8']) && $_REQUEST['box8'] == "true") {
if ($x > 3) {
$y -= 150;
$x = 0;
}
begin_example_box($ps, LEFT_BORDER + (EXAMPLE_BOX_WIDTH + 30) * $x++, $y, "EPS-Image", $psfont);
$psimage = ps_open_image_file($ps, "eps", "picture.eps", NULL, 0);
ps_place_image($ps, $psimage, 10, 10, 0.3);
ps_close_image($ps, $psimage);
end_example_box($ps);
}
if (isset($_REQUEST['box9']) && $_REQUEST['box9'] == "true") {
/**
* Draw an ellipse
*
* Parameter array:
* 'x': int X center point
* 'y': int Y center point
* 'rx': int X radius
* 'ry': int Y radius
* 'fill': mixed [optional] The fill color
* 'line': mixed [optional] The line color
* @param array $params Parameter array
*/
function ellipse($params)
{
$x = $params['x'];
$y = $params['y'];
$rx = $params['rx'];
$ry = $params['ry'];
$fillColor = isset($params['fill']) ? $params['fill'] : false;
$lineColor = isset($params['line']) ? $params['line'] : false;
$line = $this->_setLineStyle($lineColor);
$fill = $this->_setFillStyle($fillColor);
if ($line || $fill) {
if ($rx == $ry) {
ps_circle($this->_ps, $this->_getX($x), $this->_getY($y), $rx);
} else {
ps_moveto($this->_ps, $this->_getX($x - $rx), $this->_getY($y));
ps_curveto($this->_ps, $this->_getX($x - $rx), $this->_getY($y), $this->_getX($x - $rx), $this->_getY($y - $ry), $this->_getX($x), $this->_getY($y - $ry));
ps_curveto($this->_ps, $this->_getX($x), $this->_getY($y - $ry), $this->_getX($x + $rx), $this->_getY($y - $ry), $this->_getX($x + $rx), $this->_getY($y));
ps_curveto($this->_ps, $this->_getX($x + $rx), $this->_getY($y), $this->_getX($x + $rx), $this->_getY($y + $ry), $this->_getX($x), $this->_getY($y + $ry));
ps_curveto($this->_ps, $this->_getX($x), $this->_getY($y + $ry), $this->_getX($x - $rx), $this->_getY($y + $ry), $this->_getX($x - $rx), $this->_getY($y));
}
if ($line && $fill) {
ps_fill_stroke($this->_ps);
} elseif ($line) {
ps_stroke($this->_ps);
} elseif ($fill) {
ps_fill($this->_ps);
}
}
parent::ellipse($params);
}
