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Add leader lines

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Signed-off-by: Justin Georgi <justin.georgi@gmail.com>
This commit is contained in:
Justin Georgi
2026-05-22 20:46:59 -07:00
parent 8c65194aea
commit 1ba4e82020
1 changed files with 26 additions and 2 deletions
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28
includes/AnnotationHandler.php
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@@ -86,6 +86,9 @@ class AnnotationHandler extends CodeContentHandler {
* @return string Html string of the complete svg
*/
private function buildSvg($metadata) {
//Set SVG UID-ish for element IDs
$svgID = bin2hex(random_bytes(6));
//Check if the image to annotate has been set
if (isset($metadata['baseImage'])) {
$imageTitle = Title::makeTitleSafe( NS_FILE, $metadata['baseImage'] );
@@ -131,6 +134,7 @@ class AnnotationHandler extends CodeContentHandler {
if (isset($metadata['annotation'])) {
$markers = [];
$maskCircles = [];
$leadLines = [];
foreach($metadata['annotation'] as $label => $annot) {
if (isset($annot['position'])) {
$attrMask = array(
@@ -158,11 +162,31 @@ class AnnotationHandler extends CodeContentHandler {
);
$markText = Html::rawElement('text',$attrMarkerText, isset($annot['label']) ? $annot['label'] : $label );
array_push($markers,$markText);
if(isset($annot['leader'])) {
foreach($annot['leader'] as $line) {
$lineAttr = array(
'd' => sprintf('M%s %s %s %s',$annot['position']['0'], $annot['position']['1'], $line['0'], $line['1']),
'mask' => "url(#annotMask_{$svgID})",
'style' => "fill-opacity:.35; fill: {$markColor}; stroke-linejoin:bevel; stroke-width:.4; stroke: {$markColor};"
);
$lineText = Html::rawElement('path', $lineAttr);
array_push($leadLines, $lineText);
}
}
}
}
}
$attrMaskRect = array(
'width' => $vbWidth,
'height' => $vbHeight,
'fill' => 'white'
);
$maskRect = Html::rawElement('rect',$attrMaskRect);
$markMask = Html::rawElement('mask', array('id' => 'annotMask_' . $svgID), $maskRect . implode($maskCircles));
$svgDefs = Html::rawElement('defs',array(),$markMask);
}
return Html::rawElement('svg', $attrSvg, $elBaseImg . implode($markers) );
return Html::rawElement('svg', $attrSvg, $svgDefs . $elBaseImg . implode($markers) . implode($leadLines) );
}
public function validateSave( Content $content, ValidationParams $validationParams ) {