MapItemBase visible API

MapItemEllipse::rebuild fix

CMakeLists.txt

@@ -3,7 +3,7 @@ cmake_policy(SET CMP0017 NEW) # need include() with .cmake
 cmake_policy(SET CMP0072 NEW) #  FindOpenGL prefers GLVND by default
 project(QAD)
 set(QAD_MAJOR    2)
-set(QAD_MINOR    29)
+set(QAD_MINOR    30)
 set(QAD_REVISION 0)
 set(QAD_SUFFIX   )
 set(QAD_COMPANY  SHS)

libs/map/mapitembase.h

@@ -44,6 +44,10 @@ public:
 
 	bool isVisible() const { return m_visible; }
 	void setVisible(bool newVisible);
+	bool isHidden() const { return !isVisible(); }
+	void setHidden(bool newHidden) { setVisible(!newHidden); }
+	void show() { setVisible(true); }
+	void hide() { setVisible(false); }
 
 	double getRotation() const { return m_rotation; }
 	void setRotation(double deg);

libs/map/mapitemellipse.cpp

@@ -57,19 +57,20 @@ void MapItemEllipse::draw(QPainter * p) {
 
 void MapItemEllipse::rebuild() {
 	pol.clear();
-	QPointF c = rct.center();
-	bool full = sa == ea;
+	QPointF c     = rct.center();
+	double starta = sa, enda = ea;
+	bool full = qFuzzyCompare(starta, enda);
 	if (!full) pol << c;
 	double w = rct.width() / 2., h = rct.height() / 2.;
 	static double deg2rad = M_PI / 180.;
 	if (full) {
-		sa = 0.;
-		ea = 360.;
+		starta = 0.;
+		enda   = 360.;
 	} else {
-		if (ea < sa) qSwap(sa, ea);
+		if (enda < starta) qSwap(starta, enda);
 	}
-	for (double a = sa; a <= ea; a += 3.) {
-		if (a > ea) a = ea;
+	for (double a = starta; a <= enda; a += 3.) {
+		if (a > enda) a = enda;
 		QPointF p(sin(a * deg2rad) * w, cos(a * deg2rad) * h);
 		pol << (c + p);
 	}