Use SVG arrows instead of PNGs

gpxsee.qrc

@@ -6,10 +6,8 @@
 
 	<!-- Common map stuff -->
 	<qresource prefix="/map">
-		<file alias="arrow.png">icons/map/arrow.png</file>
-		<file alias="[email protected]">icons/map/[email protected]</file>
-		<file alias="water-arrow.png">icons/map/water-arrow.png</file>
-		<file alias="[email protected]">icons/map/[email protected]</file>
+		<file alias="arrow.svg">icons/map/arrow.svg</file>
+		<file alias="water-arrow.svg">icons/map/water-arrow.svg</file>
 	</qresource>
 
 	<!-- POIs (IMG & ENC style) -->

src/map/IMG/rastertile.cpp

@@ -1,6 +1,7 @@
 #include <QFont>
 #include <QPainter>
 #include <QCache>
+#include "common/util.h"
 #include "map/dem.h"
 #include "map/textpathitem.h"
 #include "map/textpointitem.h"
@@ -21,11 +22,6 @@ using namespace IMG;
 #define AREA(rect) \
 	(rect.size().width() * rect.size().height())
 
-#define HIDPI_IMG(dir, basename, ratio) \
-	(((ratio) > 1.0) \
-		? QImage(dir "/" basename "@2x.png") \
-		: QImage(dir "/" basename ".png"))
-
 #define ROAD  0
 #define WATER 1
 
@@ -517,8 +513,8 @@ void RasterTile::render()
 	QList<TextItem*> textItems;
 	QImage arrows[2];
 
-	arrows[ROAD] = HIDPI_IMG(":/map", "arrow", _ratio);
-	arrows[WATER] = HIDPI_IMG(":/map", "water-arrow", _ratio);
+	arrows[ROAD] = Util::svg2img(":/map/arrow.svg", _ratio);
+	arrows[WATER] = Util::svg2img(":/map/water-arrow.svg", _ratio);
 
 	fetchData(polygons, lines, points);
 	ll2xy(polygons);