Optimization

src/map/IMG/rastertile.cpp

@@ -177,9 +177,9 @@ void RasterTile::render()
 	processPolygons(textItems);
 	processLines(textItems);
 
-	_img.fill(Qt::transparent);
+	_pixmap.fill(Qt::transparent);
 
-	QPainter painter(&_img);
+	QPainter painter(&_pixmap);
 	painter.setRenderHint(QPainter::SmoothPixmapTransform);
 	painter.setRenderHint(QPainter::Antialiasing);
 	painter.translate(-_xy.x(), -_xy.y());
@@ -300,7 +300,7 @@ static void removeDuplicitLabel(QList<TextItem *> &labels, const QString &text,
 
 void RasterTile::processPolygons(QList<TextItem*> &textItems)
 {
-	QRectF tileRect(_xy, _img.size());
+	QRectF tileRect(_xy, _pixmap.size());
 	QSet<QString> set;
 	QList<TextItem *> labels;
 
@@ -337,7 +337,7 @@ void RasterTile::processPolygons(QList<TextItem*> &textItems)
 
 void RasterTile::processLines(QList<TextItem*> &textItems)
 {
-	QRect tileRect(_xy, _img.size());
+	QRect tileRect(_xy, _pixmap.size());
 
 	std::stable_sort(_lines.begin(), _lines.end());
 
@@ -403,7 +403,7 @@ void RasterTile::processShields(const QRect &tileRect,
 		  it != shields.constEnd(); ++it) {
 			const QPolygonF &p = it.value();
 			QRectF rect(p.boundingRect() & tileRect);
-			if (AREA(rect) < AREA(QRect(0, 0, _img.width()/4, _img.width()/4)))
+			if (AREA(rect) < AREA(QRect(0, 0, _pixmap.width()/4, _pixmap.width()/4)))
 				continue;
 
 			QMap<qreal, int> map;

src/map/IMG/rastertile.h

@@ -1,7 +1,7 @@
 #ifndef IMG_RASTERTILE_H
 #define IMG_RASTERTILE_H
 
-#include <QImage>
+#include <QPixmap>
 #include "mapdata.h"
 
 class QPainter;
@@ -19,12 +19,12 @@ public:
 	  const QString &key, const QList<MapData::Poly> &polygons,
 	  const QList<MapData::Poly> &lines, QList<MapData::Point> &points)
 	  : _map(map), _style(style), _zoom(zoom), _xy(rect.topLeft()),
-	  _key(key), _img(rect.size(), QImage::Format_ARGB32_Premultiplied),
-	  _polygons(polygons), _lines(lines), _points(points) {}
+	  _key(key), _pixmap(rect.size()), _polygons(polygons), _lines(lines),
+	  _points(points) {}
 
 	const QString &key() const {return _key;}
 	const QPoint &xy() const {return _xy;}
-	const QImage &img() const {return _img;}
+	const QPixmap &pixmap() const {return _pixmap;}
 
 	void render();
 
@@ -47,7 +47,7 @@ private:
 	int _zoom;
 	QPoint _xy;
 	QString _key;
-	QImage _img;
+	QPixmap _pixmap;
 	QList<MapData::Poly> _polygons;
 	QList<MapData::Poly> _lines;
 	QList<MapData::Point> _points;

src/map/imgmap.cpp

@@ -193,13 +193,12 @@ void IMGMap::draw(QPainter *painter, const QRectF &rect, Flags flags)
 
 	for (int i = 0; i < tiles.size(); i++) {
 		RasterTile &mt = tiles[i];
-		QPixmap pm(QPixmap::fromImage(mt.img()));
+		const QPixmap &pm = mt.pixmap();
 		if (pm.isNull())
 			continue;
 
-		QPixmapCache::insert(mt.key(), pm);
-
 		painter->drawPixmap(mt.xy(), pm);
+		QPixmapCache::insert(mt.key(), pm);
 	}
 }
 

src/map/mapsforge/rastertile.cpp

@@ -228,11 +228,11 @@ void RasterTile::render()
 	std::sort(_points.begin(), _points.end());
 
 	QList<TextItem*> textItems;
-	QRect tileRect(_xy, _img.size());
+	QRect tileRect(_xy, _pixmap.size());
 
-	_img.fill(Qt::transparent);
+	_pixmap.fill(Qt::transparent);
 
-	QPainter painter(&_img);
+	QPainter painter(&_pixmap);
 	painter.setRenderHint(QPainter::Antialiasing);
 	painter.translate(-_xy.x(), -_xy.y());
 

src/map/mapsforge/rastertile.h

@@ -1,7 +1,7 @@
 #ifndef MAPSFORGE_RASTERTILE_H
 #define MAPSFORGE_RASTERTILE_H
 
-#include <QImage>
+#include <QPixmap>
 #include "map/projection.h"
 #include "map/transform.h"
 #include "style.h"
@@ -19,12 +19,11 @@ public:
 	  const QRect &rect, const QString &key, const QList<MapData::Path> &paths,
 	  const QList<MapData::Point> &points)
 	  : _proj(proj), _transform(transform), _zoom(zoom), _xy(rect.topLeft()),
-	  _key(key), _img(rect.size(), QImage::Format_ARGB32_Premultiplied),
-	  _paths(paths), _points(points) {}
+	  _key(key), _pixmap(rect.size()), _paths(paths), _points(points) {}
 
 	const QString &key() const {return _key;}
 	const QPoint &xy() const {return _xy;}
-	const QImage &img() const {return _img;}
+	const QPixmap &pixmap() const {return _pixmap;}
 
 	void render();
 
@@ -83,7 +82,7 @@ private:
 	int _zoom;
 	QPoint _xy;
 	QString _key;
-	QImage _img;
+	QPixmap _pixmap;
 	QList<MapData::Path> _paths;
 	QList<MapData::Point> _points;
 };

src/map/mapsforgemap.h

@@ -35,7 +35,7 @@ private slots:
 	{
 		for (int i = 0; i < _tiles.size(); i++) {
 			Mapsforge::RasterTile &mt = _tiles[i];
-			QPixmap pm(QPixmap::fromImage(mt.img()));
+			const QPixmap &pm = mt.pixmap();
 			if (pm.isNull())
 				continue;