diff --git a/src/map/imgmap.cpp b/src/map/imgmap.cpp index e8d5afa5..e9fa637c 100644 --- a/src/map/imgmap.cpp +++ b/src/map/imgmap.cpp @@ -20,6 +20,9 @@ #define TEXT_EXTENT 256 #define LINE_TEXT_MIN_ZOOM 22 +#define AREA(rect) \ + (rect.size().width() * rect.size().height()) + class RasterTile { public: @@ -35,13 +38,14 @@ public: QList &lines() {return _lines;} QList &points() {return _points;} - void load() + void render() { QList textItems; _map->processPolygons(_polygons); _map->processPoints(_points, textItems); - _map->processLines(_lines, _xy, textItems); + _map->processLines(_lines, QRect(_xy, QSize(TILE_SIZE, TILE_SIZE)), + textItems); _img.fill(Qt::transparent); @@ -53,6 +57,8 @@ public: _map->drawPolygons(&painter, _polygons); _map->drawLines(&painter, _lines); _map->drawTextItems(&painter, textItems); + //painter.setPen(Qt::red); + //painter.drawRect(QRect(_xy, QSize(TILE_SIZE, TILE_SIZE))); qDeleteAll(textItems); } @@ -338,11 +344,9 @@ void IMGMap::processPolygons(QList &polygons) } } -void IMGMap::processLines(QList &lines, const QPoint &tile, +void IMGMap::processLines(QList &lines, const QRect &tileRect, QList &textItems) { - QRect tileRect(tile, QSize(TILE_SIZE, TILE_SIZE)); - qStableSort(lines); for (int i = 0; i < lines.size(); i++) { @@ -353,6 +357,13 @@ void IMGMap::processLines(QList &lines, const QPoint &tile, } } + processStreetNames(lines, tileRect, textItems); + processShields(lines, tileRect, textItems); +} + +void IMGMap::processStreetNames(QList &lines, const QRect &tileRect, + QList &textItems) +{ if (_zoom >= LINE_TEXT_MIN_ZOOM) { for (int i = 0; i < lines.size(); i++) { IMG::Poly &poly = lines[i]; @@ -379,51 +390,68 @@ void IMGMap::processLines(QList &lines, const QPoint &tile, delete item; } } +} - +void IMGMap::processShields(QList &lines, const QRect &tileRect, + QList &textItems) +{ for (int type = Label::Shield::USInterstate; type <= Label::Shield::Oval; type++) { if (minShieldZoom(static_cast(type)) > _zoom) continue; - QSet shields; + QHash shields; + QHash sp; for (int i = 0; i < lines.size(); i++) { const IMG::Poly &poly = lines.at(i); const Label::Shield &shield = poly.label.shield(); - if (shield.type() != type || !Style::isMajorRoad(poly.type)) + if (!shield.isValid() || shield.type() != type + || !Style::isMajorRoad(poly.type)) continue; - if (poly.label.shield().isValid() && !shields.contains(shield)) { - bool valid = false; - int idx = poly.points.size()/2, inc = 0, sign = 1; + QPolygonF &p = shields[shield]; + for (int j = 0; j < poly.points.size(); j++) + p.append(poly.points.at(j)); - TextPointItem *item = new TextPointItem( - poly.points.at(idx).toPoint(), &shield.text(), poiFont(), - 0, &shieldColor, shieldBgColor(shield.type())); + sp.insert(shield, &shield); + } - while (1) { - if (!item->collides(textItems) - && tileRect.contains(item->boundingRect().toRect())) { - valid = true; - break; - } - inc++; - sign = (sign < 0) ? 1 : -1; - idx += inc * sign; + for (QHash::const_iterator it + = shields.constBegin(); it != shields.constEnd(); ++it) { + const QPolygonF &p = it.value(); + QRectF rect(p.boundingRect() & tileRect); + if (qSqrt(AREA(rect)) < qSqrt(AREA(tileRect)) / 8) + continue; - if (!(idx >= 0 && idx < poly.points.size())) - break; - - item->setPos(poly.points.at(idx).toPoint()); - } - - if (valid) { - textItems.append(item); - shields.insert(shield); - } else - delete item; + QMap map; + QPointF center = rect.center(); + for (int j = 0; j < p.size(); j++) { + QLineF l(p.at(j), center); + map.insert(l.length(), j); } + + TextPointItem *item = new TextPointItem( + p.at(map.first()).toPoint(), &(sp.value(it.key())->text()), + poiFont(), 0, &shieldColor, shieldBgColor(it.key().type())); + + bool valid = false; + QMap::const_iterator jt = map.constBegin(); + while (true) { + if (!item->collides(textItems) + && tileRect.contains(item->boundingRect().toRect())) { + valid = true; + break; + } + if (++jt == map.constEnd()) + break; + item->setPos(p.at(jt.value()).toPoint()); + } + + if (valid) + textItems.append(item); + else + delete item; } } } @@ -470,7 +498,7 @@ void IMGMap::processPoints(QList &points, static void render(RasterTile &tile) { - tile.load(); + tile.render(); } void IMGMap::draw(QPainter *painter, const QRectF &rect, Flags flags) diff --git a/src/map/imgmap.h b/src/map/imgmap.h index 73866266..b83d07df 100644 --- a/src/map/imgmap.h +++ b/src/map/imgmap.h @@ -50,9 +50,13 @@ private: void drawTextItems(QPainter *painter, const QList &textItems); void processPolygons(QList &polygons); - void processLines(QList &lines, const QPoint &tile, + void processLines(QList &lines, const QRect &tileRect, QList &textItems); void processPoints(QList &points, QList &textItems); + void processShields(QList &lines, const QRect &tileRect, + QList &textItems); + void processStreetNames(QList &lines, const QRect &tileRect, + QList &textItems); IMG _img; int _zoom;