version 2.13.0

add Map library (MapView with OSM maps and items) and mapviewer util

libs/map/mapitemtext.cpp

@@ -0,0 +1,50 @@
+#include "mapitemtext.h"
+
+
+MapItemText::MapItemText(const QString & t) {
+	setBrush(Qt::NoBrush);
+	setAlignment(Qt::AlignHCenter | Qt::AlignBottom);
+	setText(t);
+}
+
+
+void MapItemText::setAlignment(Qt::Alignment a) {
+	m_alignment = a;
+	updateParent();
+}
+
+
+void MapItemText::setText(const QString & s) {
+	str = s;
+	updateParent();
+}
+
+
+void MapItemText::setFont(const QFont & f) {
+	m_font = f;
+	updateParent();
+}
+
+
+void MapItemText::draw(QPainter * p) {
+	if (str.isEmpty()) return;
+	p->setPen(pen());
+	p->setFont(font());
+	auto br = p->fontMetrics().boundingRect(str);
+	br.translate(-br.topLeft());
+	if (m_alignment.testFlag(Qt::AlignHCenter)) {
+		br.translate(-br.center().x(), 0.);
+	}
+	if (m_alignment.testFlag(Qt::AlignRight)) {
+		br.translate(-br.width(), 0.);
+	}
+	if (m_alignment.testFlag(Qt::AlignVCenter)) {
+		br.translate(0., -br.center().y());
+	}
+	if (m_alignment.testFlag(Qt::AlignBottom)) {
+		br.translate(0., -br.height());
+	}
+	p->fillRect(br.adjusted(-2, 0, 2, 0), brush());
+	p->drawText(br, Qt::TextSingleLine, str);
+	setBoundingRect(br);
+}