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Merge pull request #744 from ispyisail/fix/bugtracker-335-dark-theme-collection-icons

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Fix bugtracker #335: element icons invisible on dark themes
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Laurent Trinques
2026-08-14 10:02:39 +02:00
committed by GitHub
parent 46aed59b8b 6326cb3789
commit 8a71649e87
1 changed files with 8 additions and 1 deletions
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sources/factory/elementpicturefactory.cpp
+8 -1
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@@ -99,7 +99,14 @@ QPixmap ElementPictureFactory::pixmap(const ElementsLocation &location)
int hsy = qMin(doc.document_element().attribute("hotspot_y").as_int(), h); int hsy = qMin(doc.document_element().attribute("hotspot_y").as_int(), h);
QPixmap pix(w, h); QPixmap pix(w, h);
pix.fill(QColor(255, 255, 255, 0)); //Element definitions almost always draw with a hardcoded black
//stroke color, on the assumption of the white diagram sheet they
//are normally placed on. A transparent background here makes
//that stroke disappear against a dark widget/tree-view background
//(bugtracker #335). Give it an opaque white background instead -
//exactly what the element already assumes visually, in every
//context this pixmap is used (tree icons, drag icon, previews).
pix.fill(Qt::white);
QPainter painter(&pix); QPainter painter(&pix);
painter.setRenderHint(QPainter::Antialiasing, true); painter.setRenderHint(QPainter::Antialiasing, true);