optionally use QQuickWidget and replace ColorOverlay -> colorImageProvider

src/ColorImageProvider.cpp

@@ -0,0 +1,30 @@
+#include "ColorImageProvider.h"
+
+#include "Logging.h"
+#include <QPainter>
+
+QPixmap
+ColorImageProvider::requestPixmap(const QString &id, QSize *size, const QSize &)
+{
+        auto args = id.split('?');
+
+        nhlog::ui()->info("Loading {}, source is {}", id.toStdString(), args[0].toStdString());
+
+        QPixmap source(args[0]);
+
+        if (size)
+                *size = QSize(source.width(), source.height());
+
+        if (args.size() < 2)
+                return source;
+
+        QColor color(args[1]);
+
+        QPixmap colorized = source;
+        QPainter painter(&colorized);
+        painter.setCompositionMode(QPainter::CompositionMode_SourceIn);
+        painter.fillRect(colorized.rect(), color);
+        painter.end();
+
+        return colorized;
+}