Do not unnecessary convert the image tiles to pixmaps

src/map/IMG/trefile.cpp

@@ -329,13 +329,3 @@ QList<SubDiv*> TREFile::subdivs(const RectC &rect, int bits,
 
 	return list;
 }
-
-#ifndef QT_NO_DEBUG
-QDebug IMG::operator<<(QDebug dbg, const TREFile::MapLevel &level)
-{
-	dbg.nospace() << "MapLevel(" << level.level << "," << level.bits << ", "
-	  << level.subdivs << ")";
-
-	return dbg.space();
-}
-#endif // QT_NO_DEBUG

src/map/IMG/trefile.h

@@ -42,8 +42,6 @@ private:
 	};
 	typedef RTree<SubDiv*, double, 2> SubDivTree;
 
-	friend QDebug operator<<(QDebug dbg, const MapLevel &level);
-
 	bool load(int idx);
 	int level(int bits, const Range &baseMap);
 	int readExtEntry(Handle &hdl, quint32 &polygons, quint32 &lines,
@@ -59,9 +57,6 @@ private:
 	QMap<int, SubDivTree*> _subdivs;
 };
 
-#ifndef QT_NO_DEBUG
-QDebug operator<<(QDebug dbg, const TREFile::MapLevel &level);
-#endif // QT_NO_DEBUG
 }
 
 #endif // IMG_TREFILE_H

src/map/image.cpp

@@ -1,7 +1,6 @@
 #include <QPainter>
 #include "image.h"
 
-
 #define TILE_SIZE 256
 
 void Image::draw(QPainter *painter, const QRectF &rect, Map::Flags flags)
@@ -17,9 +16,9 @@ void Image::draw(QPainter *painter, const QRectF &rect, Map::Flags flags)
 			for (int j = sr.top()/TILE_SIZE; j <= sr.bottom()/TILE_SIZE; j++) {
 				QPoint tl(i * TILE_SIZE, j * TILE_SIZE);
 				QRect tile(tl, QSize(TILE_SIZE, TILE_SIZE));
-				QPixmap pm(QPixmap::fromImage(_img.copy(tile)));
-				pm.setDevicePixelRatio(ratio);
-				painter->drawPixmap(tl/ratio, pm);
+				QImage img(_img.copy(tile));
+				img.setDevicePixelRatio(ratio);
+				painter->drawImage(tl/ratio, img);
 			}
 		}
 	} else