From 93fc1907482796e4454b981f1acb4627b550960e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20T=C5=AFma?= <tumic@cbox.cz>
Date: Mon, 19 May 2025 09:18:32 +0200
Subject: [PATCH] Recommended routes style

---
 src/map/IMG/rastertile.cpp |  4 +++-
 src/map/IMG/rgnfile.cpp    | 21 +++++++++++++++++++--
 src/map/IMG/rgnfile.h      |  4 +++-
 src/map/IMG/style.cpp      |  1 +
 src/map/IMG/style.h        |  2 ++
 5 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/src/map/IMG/rastertile.cpp b/src/map/IMG/rastertile.cpp
index 55b04082..5432c976 100644
--- a/src/map/IMG/rastertile.cpp
+++ b/src/map/IMG/rastertile.cpp
@@ -193,7 +193,9 @@ static quint32 lineType(quint32 type, quint32 flags)
 			return type | (flags & 0xFF000000) | 1<<20;
 		else
 			return type | (flags & 0xFF000000);
-	} else if (flags & MapData::Poly::Direction)
+	} else if (Style::isRecommendedRoute(type))
+		return (flags & MapData::Poly::Dashed) ? type | 1<<20 : type;
+	else if (flags & MapData::Poly::Direction)
 		return type | 1<<20;
 	else
 		return type;
diff --git a/src/map/IMG/rgnfile.cpp b/src/map/IMG/rgnfile.cpp
index 76b58ac7..fa48bb11 100644
--- a/src/map/IMG/rgnfile.cpp
+++ b/src/map/IMG/rgnfile.cpp
@@ -244,7 +244,7 @@ bool RGNFile::readLabel(Handle &hdl, LBLFile *lbl, Handle &lblHdl,
 	return true;
 }
 
-bool RGNFile::readLineInfo(Handle &hdl, quint8 flags, quint32 size,
+bool RGNFile::readLineStyle(Handle &hdl, quint8 flags, quint32 size,
   MapData::Poly *line) const
 {
 	line->flags |= (flags & 0xf)<<24;
@@ -270,6 +270,21 @@ bool RGNFile::readLineInfo(Handle &hdl, quint8 flags, quint32 size,
 	}
 }
 
+bool RGNFile::readRecommendedRoute(Handle &hdl, quint8 flags, quint32 size,
+  MapData::Poly *line) const
+{
+	Q_UNUSED(flags);
+	quint32 val;
+
+	if (!(size >= 1 && readUInt8(hdl, val)))
+		return false;
+
+	if (val & 2)
+		line->flags |= MapData::Poly::Dashed;
+
+	return true;
+}
+
 bool RGNFile::readClassFields(Handle &hdl, SegmentType segmentType,
   void *object, LBLFile *lbl, Handle &lblHdl) const
 {
@@ -320,7 +335,9 @@ bool RGNFile::readClassFields(Handle &hdl, SegmentType segmentType,
 		point->flags |= (flags & 0xf)<<20;
 
 	if (line && Style::isStyledLine(line->type))
-		readLineInfo(hdl, flags, rs, line);
+		readLineStyle(hdl, flags, rs, line);
+	if (line && Style::isRecommendedRoute(line->type))
+		readRecommendedRoute(hdl, flags, rs, line);
 
 	return seek(hdl, off + rs);
 }
diff --git a/src/map/IMG/rgnfile.h b/src/map/IMG/rgnfile.h
index b6b6b576..5016e098 100644
--- a/src/map/IMG/rgnfile.h
+++ b/src/map/IMG/rgnfile.h
@@ -69,7 +69,9 @@ private:
 	  MapData::Point *point) const;
 	bool readLightInfo(Handle &hdl, quint8 flags, quint32 size,
 	  MapData::Point *point) const;
-	bool readLineInfo(Handle &hdl, quint8 flags, quint32 size,
+	bool readLineStyle(Handle &hdl, quint8 flags, quint32 size,
+	  MapData::Poly *line) const;
+	bool readRecommendedRoute(Handle &hdl, quint8 flags, quint32 size,
 	  MapData::Poly *line) const;
 	bool readLabel(Handle &hdl, LBLFile *lbl, Handle &lblHdl,
 	  quint8 flags, quint32 size, MapData::Point *point) const;
diff --git a/src/map/IMG/style.cpp b/src/map/IMG/style.cpp
index 8d01ce84..5b92f5b6 100644
--- a/src/map/IMG/style.cpp
+++ b/src/map/IMG/style.cpp
@@ -490,6 +490,7 @@ void Style::defaultLineStyle(qreal ratio)
 	_lines[0x10106] = Line(QImage(":/marine/cable-line.png"));
 	_lines[0x10107] = Line(QPen(QColor(0xa5, 0x81, 0x40), 3, Qt::SolidLine));
 	_lines[0x10108] = Line(QPen(QColor(0, 0, 0), 1, Qt::SolidLine));
+	_lines[0x110108] = Line(QPen(QColor(0, 0, 0), 1, Qt::DashLine));
 
 	_lines[0x10301] = Line(QPen(QColor(0x0e, 0x10, 0x87), 1, Qt::SolidLine));
 	_lines[0x10307] = Line(QPen(QColor(0x05, 0x62, 0x0e), 1, Qt::SolidLine));
diff --git a/src/map/IMG/style.h b/src/map/IMG/style.h
index 5f4955fc..93ed37bb 100644
--- a/src/map/IMG/style.h
+++ b/src/map/IMG/style.h
@@ -162,6 +162,8 @@ public:
 	  {return type >= 0x10400 && type < 0x10700;}
 	static bool isCartographicLine(quint32 type)
 	  {return type == 0x10601;}
+	static bool isRecommendedRoute(quint32 type)
+	  {return type == 0x10108;}
 
 	static bool hasColorset(quint32 type)
 	  {return (isBuoy(type) && !(type == 0x1020d || type >= 0x10216));}