Improved POI handling in IMG maps

gpxsee.qrc

@@ -1,5 +1,6 @@
 <RCC>
 	<qresource prefix="/">
+		<!-- GUI -->
 		<file alias="gpxsee.png">icons/gpxsee.png</file>
 		<file alias="gpxsee@2x.png">icons/gpxsee@2x.png</file>
 		<file alias="dialog-close.png">icons/GUI/dialog-close.png</file>
@@ -42,5 +43,83 @@
 		<file alias="view-filter@2x.png">icons/GUI/view-filter@2x.png</file>
 		<file alias="applications-internet_32.png">icons/GUI/applications-internet_32.png</file>
 		<file alias="applications-internet_32@2x.png">icons/GUI/applications-internet_32@2x.png</file>
+
+		<!-- POI -->
+		<file alias="airfield-11.png">icons/POI/airfield-11.png</file>
+		<file alias="airport-11.png">icons/POI/airport-11.png</file>
+		<file alias="amusement-park-11.png">icons/POI/amusement-park-11.png</file>
+		<file alias="bakery-11.png">icons/POI/bakery-11.png</file>
+		<file alias="bank-11.png">icons/POI/bank-11.png</file>
+		<file alias="bar-11.png">icons/POI/bar-11.png</file>
+		<file alias="bbq-11.png">icons/POI/bbq-11.png</file>
+		<file alias="beach-11.png">icons/POI/beach-11.png</file>
+		<file alias="bowling-alley-11.png">icons/POI/bowling-alley-11.png</file>
+		<file alias="building-alt1-11.png">icons/POI/building-alt1-11.png</file>
+		<file alias="bridge-11.png">icons/POI/bridge-11.png</file>
+		<file alias="bus-11.png">icons/POI/bus-11.png</file>
+		<file alias="cafe-11.png">icons/POI/cafe-11.png</file>
+		<file alias="campsite-11.png">icons/POI/campsite-11.png</file>
+		<file alias="car-11.png">icons/POI/car-11.png</file>
+		<file alias="car-rental-11.png">icons/POI/car-rental-11.png</file>
+		<file alias="car-repair-11.png">icons/POI/car-repair-11.png</file>
+		<file alias="casino-11.png">icons/POI/casino-11.png</file>
+		<file alias="cemetery-11.png">icons/POI/cemetery-11.png</file>
+		<file alias="cinema-11.png">icons/POI/cinema-11.png</file>
+		<file alias="clothing-store-11.png">icons/POI/clothing-store-11.png</file>
+		<file alias="communications-tower-11.png">icons/POI/communications-tower-11.png</file>
+		<file alias="dam-11.png">icons/POI/dam-11.png</file>
+		<file alias="danger-11.png">icons/POI/danger-11.png</file>
+		<file alias="drinking-water-11.png">icons/POI/drinking-water-11.png</file>
+		<file alias="fast-food-11.png">icons/POI/fast-food-11.png</file>
+		<file alias="fire-station-11.png">icons/POI/fire-station-11.png</file>
+		<file alias="fitness-centre-11.png">icons/POI/fitness-centre-11.png</file>
+		<file alias="fuel-11.png">icons/POI/fuel-11.png</file>
+		<file alias="furniture-11.png">icons/POI/furniture-11.png</file>
+		<file alias="garden-11.png">icons/POI/garden-11.png</file>
+		<file alias="garden-centre-11.png">icons/POI/garden-centre-11.png</file>
+		<file alias="golf-11.png">icons/POI/golf-11.png</file>
+		<file alias="grocery-11.png">icons/POI/grocery-11.png</file>
+		<file alias="hairdresser-11.png">icons/POI/hairdresser-11.png</file>
+		<file alias="harbor-11.png">icons/POI/harbor-11.png</file>
+		<file alias="hardware-11.png">icons/POI/hardware-11.png</file>
+		<file alias="heliport-11.png">icons/POI/heliport-11.png</file>
+		<file alias="hospital-11.png">icons/POI/hospital-11.png</file>
+		<file alias="information-11.png">icons/POI/information-11.png</file>
+		<file alias="landmark-11.png">icons/POI/landmark-11.png</file>
+		<file alias="library-11.png">icons/POI/library-11.png</file>
+		<file alias="lodging-11.png">icons/POI/lodging-11.png</file>
+		<file alias="mountain-11.png">icons/POI/mountain-11.png</file>
+		<file alias="museum-11.png">icons/POI/museum-11.png</file>
+		<file alias="park-11.png">icons/POI/park-11.png</file>
+		<file alias="parking-11.png">icons/POI/parking-11.png</file>
+		<file alias="pharmacy-11.png">icons/POI/pharmacy-11.png</file>
+		<file alias="picnic-site-11.png">icons/POI/picnic-site-11.png</file>
+		<file alias="place-of-worship-11.png">icons/POI/place-of-worship-11.png</file>
+		<file alias="police-11.png">icons/POI/police-11.png</file>
+		<file alias="post-11.png">icons/POI/post-11.png</file>
+		<file alias="prison-11.png">icons/POI/prison-11.png</file>
+		<file alias="religious-christian-11.png">icons/POI/religious-christian-11.png</file>
+		<file alias="religious-jewish-11.png">icons/POI/religious-jewish-11.png</file>
+		<file alias="religious-muslim-11.png">icons/POI/religious-muslim-11.png</file>
+		<file alias="restaurant-11.png">icons/POI/restaurant-11.png</file>
+		<file alias="restaurant-noodle-11.png">icons/POI/restaurant-noodle-11.png</file>
+		<file alias="restaurant-pizza-11.png">icons/POI/restaurant-pizza-11.png</file>
+		<file alias="restaurant-seafood-11.png">icons/POI/restaurant-seafood-11.png</file>
+		<file alias="roadblock-11.png">icons/POI/roadblock-11.png</file>
+		<file alias="school-11.png">icons/POI/school-11.png</file>
+		<file alias="shelter-11.png">icons/POI/shelter-11.png</file>
+		<file alias="shop-11.png">icons/POI/shop-11.png</file>
+		<file alias="skiing-11.png">icons/POI/skiing-11.png</file>
+		<file alias="soccer-11.png">icons/POI/soccer-11.png</file>
+		<file alias="swimming-11.png">icons/POI/swimming-11.png</file>
+		<file alias="theatre-11.png">icons/POI/theatre-11.png</file>
+		<file alias="telephone-11.png">icons/POI/telephone-11.png</file>
+		<file alias="toilet-11.png">icons/POI/toilet-11.png</file>
+		<file alias="town-hall-11.png">icons/POI/town-hall-11.png</file>
+		<file alias="viewpoint-11.png">icons/POI/viewpoint-11.png</file>
+		<file alias="village-11.png">icons/POI/village-11.png</file>
+		<file alias="waterfall-11.png">icons/POI/waterfall-11.png</file>
+		<file alias="wetland-11.png">icons/POI/wetland-11.png</file>
+		<file alias="zoo-11.png">icons/POI/zoo-11.png</file>
 	</qresource>
 </RCC>

icons/POI/licence.txt

@@ -0,0 +1,126 @@
+The POI icons are Mapbox Maki icons (https://labs.mapbox.com/maki-icons/)
+licensed under CC0.
+
+-----
+
+Creative Commons Legal Code
+
+CC0 1.0 Universal
+
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+    LEGAL SERVICES. DISTRIBUTION OF THIS DOCUMENT DOES NOT CREATE AN
+    ATTORNEY-CLIENT RELATIONSHIP. CREATIVE COMMONS PROVIDES THIS
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+    REGARDING THE USE OF THIS DOCUMENT OR THE INFORMATION OR WORKS
+    PROVIDED HEREUNDER, AND DISCLAIMS LIABILITY FOR DAMAGES RESULTING FROM
+    THE USE OF THIS DOCUMENT OR THE INFORMATION OR WORKS PROVIDED
+    HEREUNDER.
+
+Statement of Purpose
+
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+account Affirmer's express Statement of Purpose. In addition, to the
+extent the Waiver is so judged Affirmer hereby grants to each affected
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+partial invalidity or ineffectiveness shall not invalidate the remainder
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src/map/IMG/img.cpp

@@ -255,3 +255,18 @@ bool IMG::readBlock(int blockNum, QByteArray &data)
 
 	return true;
 }
+
+#ifndef QT_NO_DEBUG
+QDebug operator<<(QDebug dbg, const IMG::Point &point)
+{
+	dbg.nospace() << "Point(" << hex << point.type << ", " << point.label
+	  << ", " << point.poi << ")";
+	return dbg.space();
+}
+
+QDebug operator<<(QDebug dbg, const IMG::Poly &poly)
+{
+	dbg.nospace() << "Poly(" << hex << poly.type << ", " << poly.label << ")";
+	return dbg.space();
+}
+#endif // QT_NO_DEBUG

src/map/IMG/img.h

@@ -40,7 +40,7 @@ public:
 		quint64 id;
 
 		bool operator<(const Point &other) const
-		  {return id < other.id;}
+		  {return id > other.id;}
 	};
 
 
@@ -84,4 +84,9 @@ private:
 	QString _errorString;
 };
 
+#ifndef QT_NO_DEBUG
+QDebug operator<<(QDebug dbg, const IMG::Point &point);
+QDebug operator<<(QDebug dbg, const IMG::Poly &poly);
+#endif // QT_NO_DEBUG
+
 #endif // IMG_H

src/map/IMG/rgnfile.cpp

@@ -338,7 +338,8 @@ bool RGNFile::pointObjects(const RectC &rect, Handle &hdl, const SubDiv *subdiv,
 		point.poi = labelPtr & 0x400000;
 		if (lbl && (labelPtr & 0x3FFFFF)) {
 			point.label = lbl->label(lblHdl, labelPtr & 0x3FFFFF, point.poi);
-			point.id = ((quint64)lbl->offset())<<24 | (labelPtr & 0x3FFFFF);
+			point.id = ((quint64)point.type)<<40 | ((quint64)lbl->offset())<<24
+			  | (labelPtr & 0x3FFFFF);
 		}
 
 		points->append(point);
@@ -383,7 +384,8 @@ bool RGNFile::extPointObjects(const RectC &rect, Handle &hdl,
 			point.poi = labelPtr & 0x400000;
 			if (lbl && (labelPtr & 0x3FFFFF)) {
 				point.label = lbl->label(lblHdl, labelPtr & 0x3FFFFF, point.poi);
-				point.id = ((quint64)lbl->offset())<<24 | (labelPtr & 0x3FFFFF);
+				point.id = ((quint64)point.type)<<40
+				  | ((quint64)lbl->offset())<<24 | (labelPtr & 0x3FFFFF);
 			}
 		}
 

src/map/IMG/style.cpp

@@ -147,6 +147,137 @@ void Style::defaultLineStyle()
 	_lines[TYPE(0x29)].setTextFontSize(Style::None);
 }
 
+void Style::defaultPOIStyle()
+{
+	_points[0x2a00] = Point(QImage(":/restaurant-11.png"));
+	_points[0x2a01] = Point(QImage(":/restaurant-11.png"));
+	_points[0x2a02] = Point(QImage(":/restaurant-noodle-11.png"));
+	_points[0x2a03] = Point(QImage(":/bbq-11.png"));
+	_points[0x2a04] = Point(QImage(":/restaurant-noodle-11.png"));
+	_points[0x2a05] = Point(QImage(":/bakery-11.png"));
+	_points[0x2a06] = Point(QImage(":/restaurant-11.png"));
+	_points[0x2a07] = Point(QImage(":/fast-food-11.png"));
+	_points[0x2a08] = Point(QImage(":/restaurant-pizza-11.png"));
+	_points[0x2a09] = Point(QImage(":/restaurant-11.png"));
+	_points[0x2a0a] = Point(QImage(":/restaurant-pizza-11.png"));
+	_points[0x2a0b] = Point(QImage(":/restaurant-seafood-11.png"));
+	_points[0x2a0c] = Point(QImage(":/restaurant-11.png"));
+	_points[0x2a0d] = Point(QImage(":/bakery-11.png"));
+	_points[0x2a0e] = Point(QImage(":/cafe-11.png"));
+	_points[0x2a0f] = Point(QImage(":/restaurant-11.png"));
+	_points[0x2a10] = Point(QImage(":/restaurant-11.png"));
+	_points[0x2a11] = Point(QImage(":/restaurant-11.png"));
+	_points[0x2a12] = Point(QImage(":/restaurant-11.png"));
+	_points[0x2a13] = Point(QImage(":/restaurant-11.png"));
+
+	_points[0x2b01] = Point(QImage(":/lodging-11.png"));
+	_points[0x2b02] = Point(QImage(":/lodging-11.png"));
+	_points[0x2b03] = Point(QImage(":/campsite-11.png"));
+	_points[0x2b04] = Point(QImage(":/village-11.png"));
+	_points[0x2b06] = Point(QImage(":/shelter-11.png"));
+
+	_points[0x2c01] = Point(QImage(":/amusement-park-11.png"));
+	_points[0x2c02] = Point(QImage(":/museum-11.png"));
+	_points[0x2c03] = Point(QImage(":/library-11.png"));
+	_points[0x2c04] = Point(QImage(":/landmark-11.png"));
+	_points[0x2c05] = Point(QImage(":/school-11.png"));
+	_points[0x2c06] = Point(QImage(":/garden-11.png"));
+	_points[0x2c07] = Point(QImage(":/zoo-11.png"));
+	_points[0x2c08] = Point(QImage(":/soccer-11.png"));
+	_points[0x2c0a] = Point(QImage(":/bar-11.png"));
+	_points[0x2c0b] = Point(QImage(":/place-of-worship-11.png"));
+	_points[0x2c0d] = Point(QImage(":/religious-muslim-11.png"));
+	_points[0x2c0e] = Point(QImage(":/religious-christian-11.png"));
+	_points[0x2c10] = Point(QImage(":/religious-jewish-11.png"));
+	_points[0x2d01] = Point(QImage(":/theatre-11.png"));
+	_points[0x2d02] = Point(QImage(":/bar-11.png"));
+	_points[0x2d03] = Point(QImage(":/cinema-11.png"));
+	_points[0x2d04] = Point(QImage(":/casino-11.png"));
+	_points[0x2d05] = Point(QImage(":/golf-11.png"));
+	_points[0x2d06] = Point(QImage(":/skiing-11.png"));
+	_points[0x2d07] = Point(QImage(":/bowling-alley-11.png"));
+	_points[0x2d09] = Point(QImage(":/swimming-11.png"));
+	_points[0x2d0a] = Point(QImage(":/fitness-centre-11.png"));
+	_points[0x2d0b] = Point(QImage(":/airfield-11.png"));
+
+	_points[0x2e02] = Point(QImage(":/grocery-11.png"));
+	_points[0x2e05] = Point(QImage(":/pharmacy-11.png"));
+	_points[0x2e07] = Point(QImage(":/clothing-store-11.png"));
+	_points[0x2e08] = Point(QImage(":/garden-centre-11.png"));
+	_points[0x2e09] = Point(QImage(":/furniture-11.png"));
+	_points[0x2e0c] = Point(QImage(":/shop-11.png"));
+
+	_points[0x2f01] = Point(QImage(":/fuel-11.png"));
+	_points[0x2f02] = Point(QImage(":/car-rental-11.png"));
+	_points[0x2f03] = Point(QImage(":/car-repair-11.png"));
+	_points[0x2f04] = Point(QImage(":/airport-11.png"));
+	_points[0x2f05] = Point(QImage(":/post-11.png"));
+	_points[0x2f06] = Point(QImage(":/bank-11.png"));
+	_points[0x2f07] = Point(QImage(":/car-11.png"));
+	_points[0x2f08] = Point(QImage(":/bus-11.png"));
+	_points[0x2f09] = Point(QImage(":/harbor-11.png"));
+	_points[0x2f0b] = Point(QImage(":/parking-11.png"));
+	_points[0x2f0b].setTextFontSize(None);
+	_points[0x2f0c] = Point(QImage(":/toilet-11.png"));
+	_points[0x2f0c].setTextFontSize(None);
+	_points[0x2f10] = Point(QImage(":/hairdresser-11.png"));
+	_points[0x2f12].setTextFontSize(None);
+	_points[0x2f13] = Point(QImage(":/hardware-11.png"));
+	_points[0x2f17] = Point(QImage(":/bus-11.png"));
+
+	_points[0x3001] = Point(QImage(":/police-11.png"));
+	_points[0x3002] = Point(QImage(":/hospital-11.png"));
+	_points[0x3003] = Point(QImage(":/town-hall-11.png"));
+	_points[0x3007] = Point(QImage(":/prison-11.png"));
+	_points[0x3008] = Point(QImage(":/fire-station-11.png"));
+
+	_points[0x4000] = Point(QImage(":/golf-11.png"));
+	_points[0x4300] = Point(QImage(":/harbor-11.png"));
+	_points[0x4400] = Point(QImage(":/fuel-11.png"));
+	_points[0x4500] = Point(QImage(":/restaurant-11.png"));
+	_points[0x4600] = Point(QImage(":/bar-11.png"));
+	_points[0x4900] = Point(QImage(":/park-11.png"));
+	_points[0x4a00] = Point(QImage(":/picnic-site-11.png"));
+	_points[0x4c00] = Point(QImage(":/information-11.png"));
+	_points[0x4800] = Point(QImage(":/campsite-11.png"));
+	_points[0x4a00] = Point(QImage(":/picnic-site-11.png"));
+	_points[0x4b00] = Point(QImage(":/hospital-11.png"));
+	_points[0x4c00] = Point(QImage(":/information-11.png"));
+	_points[0x4d00] = Point(QImage(":/parking-11.png"));
+	_points[0x4d00].setTextFontSize(None);
+	_points[0x4e00] = Point(QImage(":/toilet-11.png"));
+	_points[0x4e00].setTextFontSize(None);
+	_points[0x5000] = Point(QImage(":/drinking-water-11.png"));
+	_points[0x5000].setTextFontSize(None);
+	_points[0x5100] = Point(QImage(":/telephone-11.png"));
+	_points[0x5200] = Point(QImage(":/viewpoint-11.png"));
+	_points[0x5300] = Point(QImage(":/skiing-11.png"));
+	_points[0x5400] = Point(QImage(":/swimming-11.png"));
+	_points[0x5500] = Point(QImage(":/dam-11.png"));
+	_points[0x5700] = Point(QImage(":/danger-11.png"));
+	_points[0x5800] = Point(QImage(":/roadblock-11.png"));
+	_points[0x5900] = Point(QImage(":/airport-11.png"));
+	_points[0x5901] = Point(QImage(":/airport-11.png"));
+	_points[0x5904] = Point(QImage(":/heliport-11.png"));
+
+	_points[0x6401] = Point(QImage(":/bridge-11.png"));
+	_points[0x6402] = Point(QImage(":/building-alt1-11.png"));
+	_points[0x6403] = Point(QImage(":/cemetery-11.png"));
+	_points[0x6404] = Point(QImage(":/religious-christian-11.png"));
+	_points[0x6407] = Point(QImage(":/dam-11.png"));
+	_points[0x6408] = Point(QImage(":/hospital-11.png"));
+	_points[0x6409] = Point(QImage(":/dam-11.png"));
+	_points[0x640d] = Point(QImage(":/communications-tower-11.png"));
+	_points[0x640e] = Point(QImage(":/park-11.png"));
+	_points[0x640f] = Point(QImage(":/post-11.png"));
+	_points[0x6411] = Point(QImage(":/communications-tower-11.png"));
+
+	_points[0x6508] = Point(QImage(":/waterfall-11.png"));
+	_points[0x6513] = Point(QImage(":/wetland-11.png"));
+	_points[0x6604] = Point(QImage(":/beach-11.png"));
+	_points[0x6616] = Point(QImage(":/mountain-11.png"));
+}
+
 static bool readBitmap(SubFile *file, SubFile::Handle &hdl, QImage &img,
   int bpp)
 {
@@ -790,6 +921,7 @@ Style::Style(SubFile *typ)
 {
 	defaultLineStyle();
 	defaultPolygonStyle();
+	defaultPOIStyle();
 
 	if (typ && typ->isValid())
 		parseTYPFile(typ);
@@ -830,6 +962,32 @@ bool Style::isSpot(quint32 type)
 	return (type == TYPE(0x62) || type == TYPE(0x63));
 }
 
+Style::POIClass Style::poiClass(quint32 type)
+{
+	if ((type >= 0x2a00 && type < 0x2b00) || type == 0x2c0a || type == 0x2d02)
+		return Food;
+	else if (type >= 0x2b00 && type < 0x2c00)
+		return Accommodation;
+	else if (type >= 0x2c00 && type < 0x2e00)
+		return Recreation;
+	else if (type >= 0x2e00 && type < 0x2f00)
+		return Shopping;
+	else if (type >= 0x2f00 && type < 0x2f0f)
+		return Transport;
+	else if (type >= 0x2f0f && type < 0x3000)
+		return Services;
+	else if (type >= 0x3000 && type < 0x3100)
+		return Community;
+	else if (type >= 0x4000 && type < 0x6000)
+		return Elementary;
+	else if (type >= 0x6400 && type < 0x6500)
+		return ManmadePlaces;
+	else if (type >= 0x6500 && type < 0x6700)
+		return NaturePlaces;
+	else
+		return Unknown;
+}
+
 #ifndef QT_NO_DEBUG
 static QString penColor(const QPen &pen)
 {

src/map/IMG/style.h

@@ -18,6 +18,20 @@ public:
 		Large = 4
 	};
 
+	enum POIClass {
+		Unknown,
+		Food,
+		Accommodation,
+		Recreation,
+		Shopping,
+		Transport,
+		Services,
+		Community,
+		Elementary,
+		ManmadePlaces,
+		NaturePlaces
+	};
+
 	class Polygon {
 	public:
 		Polygon() : _brush(Qt::NoBrush), _pen(Qt::NoPen) {}
@@ -91,6 +105,7 @@ public:
 
 	static bool isContourLine(quint32 type);
 	static bool isSpot(quint32 type);
+	static POIClass poiClass(quint32 type);
 
 private:
 	struct Section {
@@ -121,6 +136,7 @@ private:
 	  const Section &section, ItemInfo &info);
 	void defaultPolygonStyle();
 	void defaultLineStyle();
+	void defaultPOIStyle();
 
 	QMap<quint32, Line> _lines;
 	QMap<quint32, Polygon> _polygons;

src/map/imgmap.cpp

@@ -25,8 +25,6 @@
 #define POI_FONT_SIZE      9
 
 #define LINE_TEXT_MIN_ZOOM   23
-#define POI_MIN_ZOOM         25
-#define POI_TEXT_MIN_ZOOM    26
 
 class RasterTile
 {
@@ -76,6 +74,26 @@ static void convertUnits(QString &str)
 		str = QString::number(qRound(number * 0.3048));
 }
 
+static int minPOIZoom(Style::POIClass cl)
+{
+	switch (cl) {
+		case Style::Food:
+		case Style::Shopping:
+		case Style::Services:
+			return 27;
+		case Style::Accommodation:
+		case Style::Recreation:
+			return 25;
+		case Style::ManmadePlaces:
+		case Style::NaturePlaces:
+		case Style::Transport:
+		case Style::Community:
+		case Style::Elementary:
+			return 23;
+		default:
+			return 0;
+	}
+}
 
 IMGMap::IMGMap(const QString &fileName, QObject *parent)
   : Map(parent), _fileName(fileName), _img(fileName),
@@ -280,17 +298,20 @@ void IMGMap::drawPoints(QPainter *painter, QList<IMG::Point> &points)
 	for (int i = 0; i < points.size(); i++) {
 		IMG::Point &point = points[i];
 		const Style::Point &style = _img.style().point(point.type);
+		int mz = minPOIZoom(Style::poiClass(point.type));
 
-		if (point.poi && _zoom < POI_MIN_ZOOM)
+		if (point.poi && _zoom < mz)
 			continue;
 
-		const QString *label = ((point.poi && _zoom < POI_TEXT_MIN_ZOOM)
-		  || point.label.isEmpty()) ? 0 : &(point.label);
+		const QString *label = point.label.isEmpty() ? 0 : &(point.label);
 		const QImage *img = style.img().isNull() ? 0 : &style.img();
 		const QFont *font = 0;
-		if (point.poi)
+		if (point.poi) {
+			if (style.textFontSize() == Style::None)
+				label = 0;
+			else
 				font = &_poiFont;
-		else {
+		} else {
 			switch (style.textFontSize()) {
 				case Style::None:
 					label = 0;