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trying to port web app starter from PHP

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udo
2026-04-19 09:38:23 +00:00
parent 46d98a092f
commit be514d63d6
546 changed files with 76910 additions and 2807 deletions
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site/examples/web-app-starter/lib/svg.class.php
Executable
+32
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<?php
class SVG
{
static function circle_segment($midx, $midy, $radius, $start_angle, $end_angle,
$stroke_color = 'rgba(120,120,120,1.0)', $stroke_width = 1, $fill_color = 'rgba(0,0,0,0)', $style = '')
{
$start_x = $midx + $radius * cos($start_angle);
$start_y = $midy + $radius * sin($start_angle);
$end_x = $midx + $radius * cos($end_angle);
$end_y = $midy + $radius * sin($end_angle);
while ($start_angle < 0) $start_angle += 2 * M_PI;
while ($end_angle < 0) $end_angle += 2 * M_PI;
while ($start_angle >= 2 * M_PI) $start_angle -= 2 * M_PI;
while ($end_angle >= 2 * M_PI) $end_angle -= 2 * M_PI;
$angle_diff = $end_angle - $start_angle;
if ($angle_diff < 0) $angle_diff += 2 * M_PI;
$large_arc_flag = ($angle_diff > M_PI) ? 1 : 0;
$sweep_flag = 1;
?>
<path d="M <?= $start_x ?> <?= $start_y ?> A <?= $radius ?> <?= $radius ?> 0 <?= $large_arc_flag ?> <?= $sweep_flag ?> <?= $end_x ?> <?= $end_y ?>"
style="<?= $style ?>" fill="<?= $fill_color ?>" stroke="<?= $stroke_color ?>" stroke-width="<?= $stroke_width ?>" />
<?php
}
}