From 2fce25b50d92687eca58f2f80fd9de8cef8864f3 Mon Sep 17 00:00:00 2001
From: David Boddie <david.boddie@nokia.com>
Date: Wed, 30 Mar 2011 15:32:43 +0200
Subject: Minor feature fix led to refactoring for i18n's sake.
Task-number: QTBUG-18397
---
demos/embedded/lightmaps/lightmaps.cpp | 693 +++++++++------------------------
demos/embedded/lightmaps/lightmaps.h | 88 +++++
demos/embedded/lightmaps/lightmaps.pro | 8 +-
demos/embedded/lightmaps/main.cpp | 63 +++
demos/embedded/lightmaps/mapzoom.cpp | 147 +++++++
demos/embedded/lightmaps/mapzoom.h | 69 ++++
demos/embedded/lightmaps/slippymap.cpp | 213 ++++++++++
demos/embedded/lightmaps/slippymap.h | 87 +++++
8 files changed, 859 insertions(+), 509 deletions(-)
create mode 100644 demos/embedded/lightmaps/lightmaps.h
create mode 100644 demos/embedded/lightmaps/main.cpp
create mode 100644 demos/embedded/lightmaps/mapzoom.cpp
create mode 100644 demos/embedded/lightmaps/mapzoom.h
create mode 100644 demos/embedded/lightmaps/slippymap.cpp
create mode 100644 demos/embedded/lightmaps/slippymap.h
diff --git a/demos/embedded/lightmaps/lightmaps.cpp b/demos/embedded/lightmaps/lightmaps.cpp
index dfbef06..8e64e73 100644
--- a/demos/embedded/lightmaps/lightmaps.cpp
+++ b/demos/embedded/lightmaps/lightmaps.cpp
@@ -45,6 +45,9 @@
#include <math.h>
+#include "lightmaps.h"
+#include "slippymap.h"
+
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
@@ -59,552 +62,226 @@
// Hint: see above to find why I picked this one :)
#define MAX_MAGNIFIER 229
-uint qHash(const QPoint& p)
+LightMaps::LightMaps(QWidget *parent)
+ : QWidget(parent), pressed(false), snapped(false), zoomed(false),
+ invert(false)
{
- return p.x() * 17 ^ p.y();
+ m_normalMap = new SlippyMap(this);
+ m_largeMap = new SlippyMap(this);
+ connect(m_normalMap, SIGNAL(updated(QRect)), SLOT(updateMap(QRect)));
+ connect(m_largeMap, SIGNAL(updated(QRect)), SLOT(update()));
}
-// tile size in pixels
-const int tdim = 256;
-
-QPointF tileForCoordinate(qreal lat, qreal lng, int zoom)
+void LightMaps::setCenter(qreal lat, qreal lng)
{
- qreal zn = static_cast<qreal>(1 << zoom);
- qreal tx = (lng + 180.0) / 360.0;
- qreal ty = (1.0 - log(tan(lat * M_PI / 180.0) +
- 1.0 / cos(lat * M_PI / 180.0)) / M_PI) / 2.0;
- return QPointF(tx * zn, ty * zn);
+ m_normalMap->latitude = lat;
+ m_normalMap->longitude = lng;
+ m_normalMap->invalidate();
+ m_largeMap->latitude = lat;
+ m_largeMap->longitude = lng;
+ m_largeMap->invalidate();
}
-qreal longitudeFromTile(qreal tx, int zoom)
+void LightMaps::toggleNightMode()
{
- qreal zn = static_cast<qreal>(1 << zoom);
- qreal lat = tx / zn * 360.0 - 180.0;
- return lat;
+ invert = !invert;
+ update();
}
-qreal latitudeFromTile(qreal ty, int zoom)
+void LightMaps::updateMap(const QRect &r)
{
- qreal zn = static_cast<qreal>(1 << zoom);
- qreal n = M_PI - 2 * M_PI * ty / zn;
- qreal lng = 180.0 / M_PI * atan(0.5 * (exp(n) - exp(-n)));
- return lng;
+ update(r);
}
-class SlippyMap: public QObject
+void LightMaps::activateZoom()
{
- Q_OBJECT
-
-public:
- int width;
- int height;
- int zoom;
- qreal latitude;
- qreal longitude;
-
- SlippyMap(QObject *parent = 0)
- : QObject(parent)
- , width(400)
- , height(300)
- , zoom(15)
- , latitude(59.9138204)
- , longitude(10.7387413) {
- m_emptyTile = QPixmap(tdim, tdim);
- m_emptyTile.fill(Qt::lightGray);
-
- QNetworkDiskCache *cache = new QNetworkDiskCache;
- cache->setCacheDirectory(QDesktopServices::storageLocation
- (QDesktopServices::CacheLocation));
- m_manager.setCache(cache);
- connect(&m_manager, SIGNAL(finished(QNetworkReply*)),
- this, SLOT(handleNetworkData(QNetworkReply*)));
- }
-
- void invalidate() {
- if (width <= 0 || height <= 0)
- return;
-
- QPointF ct = tileForCoordinate(latitude, longitude, zoom);
- qreal tx = ct.x();
- qreal ty = ct.y();
-
- // top-left corner of the center tile
- int xp = width / 2 - (tx - floor(tx)) * tdim;
- int yp = height / 2 - (ty - floor(ty)) * tdim;
-
- // first tile vertical and horizontal
- int xa = (xp + tdim - 1) / tdim;
- int ya = (yp + tdim - 1) / tdim;
- int xs = static_cast<int>(tx) - xa;
- int ys = static_cast<int>(ty) - ya;
-
- // offset for top-left tile
- m_offset = QPoint(xp - xa * tdim, yp - ya * tdim);
-
- // last tile vertical and horizontal
- int xe = static_cast<int>(tx) + (width - xp - 1) / tdim;
- int ye = static_cast<int>(ty) + (height - yp - 1) / tdim;
-
- // build a rect
- m_tilesRect = QRect(xs, ys, xe - xs + 1, ye - ys + 1);
-
- if (m_url.isEmpty())
- download();
-
- emit updated(QRect(0, 0, width, height));
- }
-
- void render(QPainter *p, const QRect &rect) {
- for (int x = 0; x <= m_tilesRect.width(); ++x)
- for (int y = 0; y <= m_tilesRect.height(); ++y) {
- QPoint tp(x + m_tilesRect.left(), y + m_tilesRect.top());
- QRect box = tileRect(tp);
- if (rect.intersects(box)) {
- if (m_tilePixmaps.contains(tp))
- p->drawPixmap(box, m_tilePixmaps.value(tp));
- else
- p->drawPixmap(box, m_emptyTile);
- }
- }
- }
-
- void pan(const QPoint &delta) {
- QPointF dx = QPointF(delta) / qreal(tdim);
- QPointF center = tileForCoordinate(latitude, longitude, zoom) - dx;
- latitude = latitudeFromTile(center.y(), zoom);
- longitude = longitudeFromTile(center.x(), zoom);
- invalidate();
- }
-
-private slots:
-
- void handleNetworkData(QNetworkReply *reply) {
- QImage img;
- QPoint tp = reply->request().attribute(QNetworkRequest::User).toPoint();
- QUrl url = reply->url();
- if (!reply->error())
- if (!img.load(reply, 0))
- img = QImage();
- reply->deleteLater();
- m_tilePixmaps[tp] = QPixmap::fromImage(img);
- if (img.isNull())
- m_tilePixmaps[tp] = m_emptyTile;
- emit updated(tileRect(tp));
-
- // purge unused spaces
- QRect bound = m_tilesRect.adjusted(-2, -2, 2, 2);
- foreach(QPoint tp, m_tilePixmaps.keys())
- if (!bound.contains(tp))
- m_tilePixmaps.remove(tp);
-
- download();
- }
-
- void download() {
- QPoint grab(0, 0);
- for (int x = 0; x <= m_tilesRect.width(); ++x)
- for (int y = 0; y <= m_tilesRect.height(); ++y) {
- QPoint tp = m_tilesRect.topLeft() + QPoint(x, y);
- if (!m_tilePixmaps.contains(tp)) {
- grab = tp;
- break;
- }
- }
- if (grab == QPoint(0, 0)) {
- m_url = QUrl();
- return;
- }
-
- QString path = "http://tile.openstreetmap.org/%1/%2/%3.png";
- m_url = QUrl(path.arg(zoom).arg(grab.x()).arg(grab.y()));
- QNetworkRequest request;
- request.setUrl(m_url);
- request.setRawHeader("User-Agent", "Nokia (Qt) Graphics Dojo 1.0");
- request.setAttribute(QNetworkRequest::User, QVariant(grab));
- m_manager.get(request);
- }
-
-signals:
- void updated(const QRect &rect);
-
-protected:
- QRect tileRect(const QPoint &tp) {
- QPoint t = tp - m_tilesRect.topLeft();
- int x = t.x() * tdim + m_offset.x();
- int y = t.y() * tdim + m_offset.y();
- return QRect(x, y, tdim, tdim);
- }
-
-private:
- QPoint m_offset;
- QRect m_tilesRect;
- QPixmap m_emptyTile;
- QHash<QPoint, QPixmap> m_tilePixmaps;
- QNetworkAccessManager m_manager;
- QUrl m_url;
-};
+ zoomed = true;
+ tapTimer.stop();
+ m_largeMap->zoom = m_normalMap->zoom + 1;
+ m_largeMap->width = m_normalMap->width * 2;
+ m_largeMap->height = m_normalMap->height * 2;
+ m_largeMap->latitude = m_normalMap->latitude;
+ m_largeMap->longitude = m_normalMap->longitude;
+ m_largeMap->invalidate();
+ update();
+}
-class LightMaps: public QWidget
+void LightMaps::resizeEvent(QResizeEvent *)
{
- Q_OBJECT
-
-public:
- LightMaps(QWidget *parent = 0)
- : QWidget(parent)
- , pressed(false)
- , snapped(false)
- , zoomed(false)
- , invert(false) {
- m_normalMap = new SlippyMap(this);
- m_largeMap = new SlippyMap(this);
- connect(m_normalMap, SIGNAL(updated(QRect)), SLOT(updateMap(QRect)));
- connect(m_largeMap, SIGNAL(updated(QRect)), SLOT(update()));
- }
-
- void setCenter(qreal lat, qreal lng) {
- m_normalMap->latitude = lat;
- m_normalMap->longitude = lng;
- m_normalMap->invalidate();
- m_largeMap->invalidate();
- }
-
-public slots:
- void toggleNightMode() {
- invert = !invert;
- update();
- }
-
-private slots:
- void updateMap(const QRect &r) {
- update(r);
- }
-
-protected:
-
- void activateZoom() {
- zoomed = true;
- tapTimer.stop();
- m_largeMap->zoom = m_normalMap->zoom + 1;
- m_largeMap->width = m_normalMap->width * 2;
- m_largeMap->height = m_normalMap->height * 2;
- m_largeMap->latitude = m_normalMap->latitude;
- m_largeMap->longitude = m_normalMap->longitude;
- m_largeMap->invalidate();
- update();
- }
-
- void resizeEvent(QResizeEvent *) {
- m_normalMap->width = width();
- m_normalMap->height = height();
- m_normalMap->invalidate();
- m_largeMap->width = m_normalMap->width * 2;
- m_largeMap->height = m_normalMap->height * 2;
- m_largeMap->invalidate();
- }
+ m_normalMap->width = width();
+ m_normalMap->height = height();
+ m_normalMap->invalidate();
+ m_largeMap->width = m_normalMap->width * 2;
+ m_largeMap->height = m_normalMap->height * 2;
+ m_largeMap->invalidate();
+}
- void paintEvent(QPaintEvent *event) {
- QPainter p;
- p.begin(this);
- m_normalMap->render(&p, event->rect());
- p.setPen(Qt::black);
+void LightMaps::paintEvent(QPaintEvent *event)
+{
+ QPainter p;
+ p.begin(this);
+ m_normalMap->render(&p, event->rect());
+ p.setPen(Qt::black);
#if defined(Q_OS_SYMBIAN)
- QFont font = p.font();
- font.setPixelSize(13);
- p.setFont(font);
+ QFont font = p.font();
+ font.setPixelSize(13);
+ p.setFont(font);
#endif
- p.drawText(rect(), Qt::AlignBottom | Qt::TextWordWrap,
- "Map data CCBYSA 2009 OpenStreetMap.org contributors");
- p.end();
-
- if (zoomed) {
- int dim = qMin(width(), height());
- int magnifierSize = qMin(MAX_MAGNIFIER, dim * 2 / 3);
- int radius = magnifierSize / 2;
- int ring = radius - 15;
- QSize box = QSize(magnifierSize, magnifierSize);
-
- // reupdate our mask
- if (maskPixmap.size() != box) {
- maskPixmap = QPixmap(box);
- maskPixmap.fill(Qt::transparent);
-
- QRadialGradient g;
- g.setCenter(radius, radius);
- g.setFocalPoint(radius, radius);
- g.setRadius(radius);
- g.setColorAt(1.0, QColor(255, 255, 255, 0));
- g.setColorAt(0.5, QColor(128, 128, 128, 255));
-
- QPainter mask(&maskPixmap);
- mask.setRenderHint(QPainter::Antialiasing);
- mask.setCompositionMode(QPainter::CompositionMode_Source);
- mask.setBrush(g);
- mask.setPen(Qt::NoPen);
- mask.drawRect(maskPixmap.rect());
- mask.setBrush(QColor(Qt::transparent));
- mask.drawEllipse(g.center(), ring, ring);
- mask.end();
- }
-
- QPoint center = dragPos - QPoint(0, radius);
- center = center + QPoint(0, radius / 2);
- QPoint corner = center - QPoint(radius, radius);
-
- QPoint xy = center * 2 - QPoint(radius, radius);
+ p.drawText(rect(), Qt::AlignBottom | Qt::TextWordWrap,
+ "Map data CCBYSA 2009 OpenStreetMap.org contributors");
+ p.end();
+
+ if (zoomed) {
+ int dim = qMin(width(), height());
+ int magnifierSize = qMin(MAX_MAGNIFIER, dim * 2 / 3);
+ int radius = magnifierSize / 2;
+ int ring = radius - 15;
+ QSize box = QSize(magnifierSize, magnifierSize);
+
+ // reupdate our mask
+ if (maskPixmap.size() != box) {
+ maskPixmap = QPixmap(box);
+ maskPixmap.fill(Qt::transparent);
+
+ QRadialGradient g;
+ g.setCenter(radius, radius);
+ g.setFocalPoint(radius, radius);
+ g.setRadius(radius);
+ g.setColorAt(1.0, QColor(255, 255, 255, 0));
+ g.setColorAt(0.5, QColor(128, 128, 128, 255));
+
+ QPainter mask(&maskPixmap);
+ mask.setRenderHint(QPainter::Antialiasing);
+ mask.setCompositionMode(QPainter::CompositionMode_Source);
+ mask.setBrush(g);
+ mask.setPen(Qt::NoPen);
+ mask.drawRect(maskPixmap.rect());
+ mask.setBrush(QColor(Qt::transparent));
+ mask.drawEllipse(g.center(), ring, ring);
+ mask.end();
+ }
- // only set the dimension to the magnified portion
- if (zoomPixmap.size() != box) {
- zoomPixmap = QPixmap(box);
- zoomPixmap.fill(Qt::lightGray);
- }
- if (true) {
- QPainter p(&zoomPixmap);
- p.translate(-xy);
- m_largeMap->render(&p, QRect(xy, box));
- p.end();
- }
+ QPoint center = dragPos - QPoint(0, radius);
+ center = center + QPoint(0, radius / 2);
+ QPoint corner = center - QPoint(radius, radius);
- QPainterPath clipPath;
- clipPath.addEllipse(center, ring, ring);
+ QPoint xy = center * 2 - QPoint(radius, radius);
- QPainter p(this);
- p.setRenderHint(QPainter::Antialiasing);
- p.setClipPath(clipPath);
- p.drawPixmap(corner, zoomPixmap);
- p.setClipping(false);
- p.drawPixmap(corner, maskPixmap);
- p.setPen(Qt::gray);
- p.drawPath(clipPath);
+ // only set the dimension to the magnified portion
+ if (zoomPixmap.size() != box) {
+ zoomPixmap = QPixmap(box);
+ zoomPixmap.fill(Qt::lightGray);
}
- if (invert) {
- QPainter p(this);
- p.setCompositionMode(QPainter::CompositionMode_Difference);
- p.fillRect(event->rect(), Qt::white);
+ if (true) {
+ QPainter p(&zoomPixmap);
+ p.translate(-xy);
+ m_largeMap->render(&p, QRect(xy, box));
p.end();
}
- }
- void timerEvent(QTimerEvent *) {
- if (!zoomed)
- activateZoom();
- update();
+ QPainterPath clipPath;
+ clipPath.addEllipse(center, ring, ring);
+
+ QPainter p(this);
+ p.setRenderHint(QPainter::Antialiasing);
+ p.setClipPath(clipPath);
+ p.drawPixmap(corner, zoomPixmap);
+ p.setClipping(false);
+ p.drawPixmap(corner, maskPixmap);
+ p.setPen(Qt::gray);
+ p.drawPath(clipPath);
}
-
- void mousePressEvent(QMouseEvent *event) {
- if (event->buttons() != Qt::LeftButton)
- return;
- pressed = snapped = true;
- pressPos = dragPos = event->pos();
- tapTimer.stop();
- tapTimer.start(HOLD_TIME, this);
+ if (invert) {
+ QPainter p(this);
+ p.setCompositionMode(QPainter::CompositionMode_Difference);
+ p.fillRect(event->rect(), Qt::white);
+ p.end();
}
+}
- void mouseMoveEvent(QMouseEvent *event) {
- if (!event->buttons())
- return;
- if (!zoomed) {
- if (!pressed || !snapped) {
- QPoint delta = event->pos() - pressPos;
- pressPos = event->pos();
- m_normalMap->pan(delta);
- return;
- } else {
- const int threshold = 10;
- QPoint delta = event->pos() - pressPos;
- if (snapped) {
- snapped &= delta.x() < threshold;
- snapped &= delta.y() < threshold;
- snapped &= delta.x() > -threshold;
- snapped &= delta.y() > -threshold;
- }
- if (!snapped)
- tapTimer.stop();
- }
- } else {
- dragPos = event->pos();
- update();
- }
- }
+void LightMaps::timerEvent(QTimerEvent *)
+{
+ if (!zoomed)
+ activateZoom();
+ update();
+}
- void mouseReleaseEvent(QMouseEvent *) {
- zoomed = false;
- update();
- }
+void LightMaps::mousePressEvent(QMouseEvent *event)
+{
+ if (event->buttons() != Qt::LeftButton)
+ return;
+ pressed = snapped = true;
+ pressPos = dragPos = event->pos();
+ tapTimer.stop();
+ tapTimer.start(HOLD_TIME, this);
+}
- void keyPressEvent(QKeyEvent *event) {
- if (!zoomed) {
- if (event->key() == Qt::Key_Left)
- m_normalMap->pan(QPoint(20, 0));
- if (event->key() == Qt::Key_Right)
- m_normalMap->pan(QPoint(-20, 0));
- if (event->key() == Qt::Key_Up)
- m_normalMap->pan(QPoint(0, 20));
- if (event->key() == Qt::Key_Down)
- m_normalMap->pan(QPoint(0, -20));
- if (event->key() == Qt::Key_Z || event->key() == Qt::Key_Select) {
- dragPos = QPoint(width() / 2, height() / 2);
- activateZoom();
- }
+void LightMaps::mouseMoveEvent(QMouseEvent *event)
+{
+ if (!event->buttons())
+ return;
+ if (!zoomed) {
+ if (!pressed || !snapped) {
+ QPoint delta = event->pos() - pressPos;
+ pressPos = event->pos();
+ m_normalMap->pan(delta);
+ return;
} else {
- if (event->key() == Qt::Key_Z || event->key() == Qt::Key_Select) {
- zoomed = false;
- update();
- }
- QPoint delta(0, 0);
- if (event->key() == Qt::Key_Left)
- delta = QPoint(-15, 0);
- if (event->key() == Qt::Key_Right)
- delta = QPoint(15, 0);
- if (event->key() == Qt::Key_Up)
- delta = QPoint(0, -15);
- if (event->key() == Qt::Key_Down)
- delta = QPoint(0, 15);
- if (delta != QPoint(0, 0)) {
- dragPos += delta;
- update();
+ const int threshold = 10;
+ QPoint delta = event->pos() - pressPos;
+ if (snapped) {
+ snapped &= delta.x() < threshold;
+ snapped &= delta.y() < threshold;
+ snapped &= delta.x() > -threshold;
+ snapped &= delta.y() > -threshold;
}
+ if (!snapped)
+ tapTimer.stop();
}
+ } else {
+ dragPos = event->pos();
+ update();
}
+}
-private:
- SlippyMap *m_normalMap;
- SlippyMap *m_largeMap;
- bool pressed;
- bool snapped;
- QPoint pressPos;
- QPoint dragPos;
- QBasicTimer tapTimer;
- bool zoomed;
- QPixmap zoomPixmap;
- QPixmap maskPixmap;
- bool invert;
-};
-
-class MapZoom : public QMainWindow
+void LightMaps::mouseReleaseEvent(QMouseEvent *)
{
- Q_OBJECT
-
-private:
- LightMaps *map;
- QNetworkSession *networkSession;
-
-public:
- MapZoom(): QMainWindow(0) {
- map = new LightMaps(this);
- setCentralWidget(map);
- map->setFocus();
-
- QAction *osloAction = new QAction("&Oslo", this);
- QAction *berlinAction = new QAction("&Berlin", this);
- QAction *jakartaAction = new QAction("&Jakarta", this);
- QAction *nightModeAction = new QAction("Night Mode", this);
- nightModeAction->setCheckable(true);
- nightModeAction->setChecked(false);
- QAction *osmAction = new QAction("About OpenStreetMap", this);
- connect(osloAction, SIGNAL(triggered()), SLOT(chooseOslo()));
- connect(berlinAction, SIGNAL(triggered()), SLOT(chooseBerlin()));
- connect(jakartaAction, SIGNAL(triggered()), SLOT(chooseJakarta()));
- connect(nightModeAction, SIGNAL(triggered()), map, SLOT(toggleNightMode()));
- connect(osmAction, SIGNAL(triggered()), SLOT(aboutOsm()));
-
-#if defined(Q_OS_SYMBIAN) || defined(Q_OS_WINCE_WM)
- menuBar()->addAction(osloAction);
- menuBar()->addAction(berlinAction);
- menuBar()->addAction(jakartaAction);
- menuBar()->addAction(nightModeAction);
- menuBar()->addAction(osmAction);
-#else
- QMenu *menu = menuBar()->addMenu("&Options");
- menu->addAction(osloAction);
- menu->addAction(berlinAction);
- menu->addAction(jakartaAction);
- menu->addSeparator();
- menu->addAction(nightModeAction);
- menu->addAction(osmAction);
-#endif
-
- QNetworkConfigurationManager manager;
- if (manager.capabilities() & QNetworkConfigurationManager::NetworkSessionRequired) {
- // Get saved network configuration
- QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
- settings.beginGroup(QLatin1String("QtNetwork"));
- const QString id =
- settings.value(QLatin1String("DefaultNetworkConfiguration")).toString();
- settings.endGroup();
-
- // If the saved network configuration is not currently discovered use the system
- // default
- QNetworkConfiguration config = manager.configurationFromIdentifier(id);
- if ((config.state() & QNetworkConfiguration::Discovered) !=
- QNetworkConfiguration::Discovered) {
- config = manager.defaultConfiguration();
- }
-
- networkSession = new QNetworkSession(config, this);
- connect(networkSession, SIGNAL(opened()), this, SLOT(sessionOpened()));
+ zoomed = false;
+ update();
+}
- networkSession->open();
- } else {
- networkSession = 0;
+void LightMaps::keyPressEvent(QKeyEvent *event)
+{
+ if (!zoomed) {
+ if (event->key() == Qt::Key_Left)
+ m_normalMap->pan(QPoint(20, 0));
+ if (event->key() == Qt::Key_Right)
+ m_normalMap->pan(QPoint(-20, 0));
+ if (event->key() == Qt::Key_Up)
+ m_normalMap->pan(QPoint(0, 20));
+ if (event->key() == Qt::Key_Down)
+ m_normalMap->pan(QPoint(0, -20));
+ if (event->key() == Qt::Key_Z || event->key() == Qt::Key_Select) {
+ dragPos = QPoint(width() / 2, height() / 2);
+ activateZoom();
}
- }
-
-private slots:
-
- void sessionOpened() {
- // Save the used configuration
- QNetworkConfiguration config = networkSession->configuration();
- QString id;
- if (config.type() == QNetworkConfiguration::UserChoice) {
- id = networkSession->sessionProperty(
- QLatin1String("UserChoiceConfiguration")).toString();
- } else {
- id = config.identifier();
+ } else {
+ if (event->key() == Qt::Key_Z || event->key() == Qt::Key_Select) {
+ zoomed = false;
+ update();
+ }
+ QPoint delta(0, 0);
+ if (event->key() == Qt::Key_Left)
+ delta = QPoint(-15, 0);
+ if (event->key() == Qt::Key_Right)
+ delta = QPoint(15, 0);
+ if (event->key() == Qt::Key_Up)
+ delta = QPoint(0, -15);
+ if (event->key() == Qt::Key_Down)
+ delta = QPoint(0, 15);
+ if (delta != QPoint(0, 0)) {
+ dragPos += delta;
+ update();
}
-
- QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
- settings.beginGroup(QLatin1String("QtNetwork"));
- settings.setValue(QLatin1String("DefaultNetworkConfiguration"), id);
- settings.endGroup();
- }
-
- void chooseOslo() {
- map->setCenter(59.9138204, 10.7387413);
- }
-
- void chooseBerlin() {
- map->setCenter(52.52958999943302, 13.383053541183472);
- }
-
- void chooseJakarta() {
- map->setCenter(-6.211544, 106.845172);
- }
-
- void aboutOsm() {
- QDesktopServices::openUrl(QUrl("http://www.openstreetmap.org"));
}
-};
-
-
-#include "lightmaps.moc"
-
-int main(int argc, char **argv)
-{
-#if defined(Q_WS_X11)
- QApplication::setGraphicsSystem("raster");
-#endif
-
- QApplication app(argc, argv);
- app.setApplicationName("LightMaps");
-
- MapZoom w;
- w.setWindowTitle("OpenStreetMap");
-#if defined(Q_OS_SYMBIAN) || defined(Q_OS_WINCE_WM)
- w.showMaximized();
-#else
- w.resize(600, 450);
- w.show();
-#endif
-
- return app.exec();
}
diff --git a/demos/embedded/lightmaps/lightmaps.h b/demos/embedded/lightmaps/lightmaps.h
new file mode 100644
index 0000000..42a80c9
--- /dev/null
+++ b/demos/embedded/lightmaps/lightmaps.h
@@ -0,0 +1,88 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef LIGHTMAPS_H
+#define LIGHTMAPS_H
+
+#include <QBasicTimer>
+#include <QWidget>
+
+class SlippyMap;
+
+class LightMaps: public QWidget
+{
+ Q_OBJECT
+
+public:
+ LightMaps(QWidget *parent = 0);
+ void setCenter(qreal lat, qreal lng);
+
+public slots:
+ void toggleNightMode();
+
+protected:
+ void activateZoom();
+ void resizeEvent(QResizeEvent *);
+ void paintEvent(QPaintEvent *event);
+ void timerEvent(QTimerEvent *);
+ void mousePressEvent(QMouseEvent *event);
+ void mouseMoveEvent(QMouseEvent *event);
+ void mouseReleaseEvent(QMouseEvent *);
+ void keyPressEvent(QKeyEvent *event);
+
+private slots:
+ void updateMap(const QRect &r);
+
+private:
+ SlippyMap *m_normalMap;
+ SlippyMap *m_largeMap;
+ bool pressed;
+ bool snapped;
+ QPoint pressPos;
+ QPoint dragPos;
+ QBasicTimer tapTimer;
+ bool zoomed;
+ QPixmap zoomPixmap;
+ QPixmap maskPixmap;
+ bool invert;
+};
+
+#endif
\ No newline at end of file
diff --git a/demos/embedded/lightmaps/lightmaps.pro b/demos/embedded/lightmaps/lightmaps.pro
index 9d83721..cf1180b 100644
--- a/demos/embedded/lightmaps/lightmaps.pro
+++ b/demos/embedded/lightmaps/lightmaps.pro
@@ -1,5 +1,11 @@
TEMPLATE = app
-SOURCES = lightmaps.cpp
+HEADERS = lightmaps.h \
+ mapzoom.h \
+ slippymap.h
+SOURCES = lightmaps.cpp \
+ main.cpp \
+ mapzoom.cpp \
+ slippymap.cpp
QT += network
symbian {
diff --git a/demos/embedded/lightmaps/main.cpp b/demos/embedded/lightmaps/main.cpp
new file mode 100644
index 0000000..34d8d3d
--- /dev/null
+++ b/demos/embedded/lightmaps/main.cpp
@@ -0,0 +1,63 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QApplication>
+#include "mapzoom.h"
+
+int main(int argc, char **argv)
+{
+#if defined(Q_WS_X11)
+ QApplication::setGraphicsSystem("raster");
+#endif
+
+ QApplication app(argc, argv);
+ app.setApplicationName("LightMaps");
+
+ MapZoom w;
+#if defined(Q_OS_SYMBIAN) || defined(Q_OS_WINCE_WM)
+ w.showMaximized();
+#else
+ w.resize(600, 450);
+ w.show();
+#endif
+
+ return app.exec();
+}
diff --git a/demos/embedded/lightmaps/mapzoom.cpp b/demos/embedded/lightmaps/mapzoom.cpp
new file mode 100644
index 0000000..6cafc59
--- /dev/null
+++ b/demos/embedded/lightmaps/mapzoom.cpp
@@ -0,0 +1,147 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include <QtNetwork>
+#include "lightmaps.h"
+#include "mapzoom.h"
+
+MapZoom::MapZoom()
+ : QMainWindow(0)
+{
+ map = new LightMaps(this);
+ setCentralWidget(map);
+ map->setFocus();
+
+ QAction *osloAction = new QAction(tr("&Oslo"), this);
+ QAction *berlinAction = new QAction(tr("&Berlin"), this);
+ QAction *jakartaAction = new QAction(tr("&Jakarta"), this);
+ QAction *nightModeAction = new QAction(tr("Night Mode"), this);
+ nightModeAction->setCheckable(true);
+ nightModeAction->setChecked(false);
+ QAction *osmAction = new QAction(tr("About OpenStreetMap"), this);
+ connect(osloAction, SIGNAL(triggered()), SLOT(chooseOslo()));
+ connect(berlinAction, SIGNAL(triggered()), SLOT(chooseBerlin()));
+ connect(jakartaAction, SIGNAL(triggered()), SLOT(chooseJakarta()));
+ connect(nightModeAction, SIGNAL(triggered()), map, SLOT(toggleNightMode()));
+ connect(osmAction, SIGNAL(triggered()), SLOT(aboutOsm()));
+
+#if defined(Q_OS_SYMBIAN) || defined(Q_OS_WINCE_WM)
+ menuBar()->addAction(osloAction);
+ menuBar()->addAction(berlinAction);
+ menuBar()->addAction(jakartaAction);
+ menuBar()->addAction(nightModeAction);
+ menuBar()->addAction(osmAction);
+#else
+ QMenu *menu = menuBar()->addMenu(tr("&Options"));
+ menu->addAction(osloAction);
+ menu->addAction(berlinAction);
+ menu->addAction(jakartaAction);
+ menu->addSeparator();
+ menu->addAction(nightModeAction);
+ menu->addAction(osmAction);
+#endif
+
+ QNetworkConfigurationManager manager;
+ if (manager.capabilities() & QNetworkConfigurationManager::NetworkSessionRequired) {
+ // Get saved network configuration
+ QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
+ settings.beginGroup(QLatin1String("QtNetwork"));
+ const QString id =
+ settings.value(QLatin1String("DefaultNetworkConfiguration")).toString();
+ settings.endGroup();
+
+ // If the saved network configuration is not currently discovered use the system
+ // default
+ QNetworkConfiguration config = manager.configurationFromIdentifier(id);
+ if ((config.state() & QNetworkConfiguration::Discovered) !=
+ QNetworkConfiguration::Discovered) {
+ config = manager.defaultConfiguration();
+ }
+
+ networkSession = new QNetworkSession(config, this);
+ connect(networkSession, SIGNAL(opened()), this, SLOT(sessionOpened()));
+
+ networkSession->open();
+ } else {
+ networkSession = 0;
+ }
+
+ setWindowTitle(tr("Light Maps"));
+}
+
+void MapZoom::sessionOpened()
+{
+ // Save the used configuration
+ QNetworkConfiguration config = networkSession->configuration();
+ QString id;
+ if (config.type() == QNetworkConfiguration::UserChoice) {
+ id = networkSession->sessionProperty(
+ QLatin1String("UserChoiceConfiguration")).toString();
+ } else {
+ id = config.identifier();
+ }
+
+ QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
+ settings.beginGroup(QLatin1String("QtNetwork"));
+ settings.setValue(QLatin1String("DefaultNetworkConfiguration"), id);
+ settings.endGroup();
+}
+
+void MapZoom::chooseOslo()
+{
+ map->setCenter(59.9138204, 10.7387413);
+}
+
+void MapZoom::chooseBerlin()
+{
+ map->setCenter(52.52958999943302, 13.383053541183472);
+}
+
+void MapZoom::chooseJakarta()
+{
+ map->setCenter(-6.211544, 106.845172);
+}
+
+void MapZoom::aboutOsm()
+{
+ QDesktopServices::openUrl(QUrl("http://www.openstreetmap.org"));
+}
diff --git a/demos/embedded/lightmaps/mapzoom.h b/demos/embedded/lightmaps/mapzoom.h
new file mode 100644
index 0000000..0b1ea8b
--- /dev/null
+++ b/demos/embedded/lightmaps/mapzoom.h
@@ -0,0 +1,69 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MAPZOOM_H
+#define MAPZOOM_H
+
+#include <QMainWindow>
+
+class QNetworkSession;
+class LightMaps;
+
+class MapZoom : public QMainWindow
+{
+ Q_OBJECT
+
+public:
+ MapZoom();
+
+private slots:
+ void sessionOpened();
+ void chooseOslo();
+ void chooseBerlin();
+ void chooseJakarta();
+ void aboutOsm();
+
+private:
+ LightMaps *map;
+ QNetworkSession *networkSession;
+};
+
+#endif
\ No newline at end of file
diff --git a/demos/embedded/lightmaps/slippymap.cpp b/demos/embedded/lightmaps/slippymap.cpp
new file mode 100644
index 0000000..2c76f74
--- /dev/null
+++ b/demos/embedded/lightmaps/slippymap.cpp
@@ -0,0 +1,213 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <math.h>
+
+#include <QtGui>
+#include <QtNetwork>
+#include "slippymap.h"
+
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+uint qHash(const QPoint& p)
+{
+ return p.x() * 17 ^ p.y();
+}
+
+// tile size in pixels
+const int tdim = 256;
+
+QPointF tileForCoordinate(qreal lat, qreal lng, int zoom)
+{
+ qreal zn = static_cast<qreal>(1 << zoom);
+ qreal tx = (lng + 180.0) / 360.0;
+ qreal ty = (1.0 - log(tan(lat * M_PI / 180.0) +
+ 1.0 / cos(lat * M_PI / 180.0)) / M_PI) / 2.0;
+ return QPointF(tx * zn, ty * zn);
+}
+
+qreal longitudeFromTile(qreal tx, int zoom)
+{
+ qreal zn = static_cast<qreal>(1 << zoom);
+ qreal lat = tx / zn * 360.0 - 180.0;
+ return lat;
+}
+
+qreal latitudeFromTile(qreal ty, int zoom)
+{
+ qreal zn = static_cast<qreal>(1 << zoom);
+ qreal n = M_PI - 2 * M_PI * ty / zn;
+ qreal lng = 180.0 / M_PI * atan(0.5 * (exp(n) - exp(-n)));
+ return lng;
+}
+
+
+SlippyMap::SlippyMap(QObject *parent)
+ : QObject(parent), width(400), height(300), zoom(15),
+ latitude(59.9138204), longitude(10.7387413)
+{
+ m_emptyTile = QPixmap(tdim, tdim);
+ m_emptyTile.fill(Qt::lightGray);
+
+ QNetworkDiskCache *cache = new QNetworkDiskCache;
+ cache->setCacheDirectory(QDesktopServices::storageLocation
+ (QDesktopServices::CacheLocation));
+ m_manager.setCache(cache);
+ connect(&m_manager, SIGNAL(finished(QNetworkReply*)),
+ this, SLOT(handleNetworkData(QNetworkReply*)));
+}
+
+void SlippyMap::invalidate()
+{
+ if (width <= 0 || height <= 0)
+ return;
+
+ QPointF ct = tileForCoordinate(latitude, longitude, zoom);
+ qreal tx = ct.x();
+ qreal ty = ct.y();
+
+ // top-left corner of the center tile
+ int xp = width / 2 - (tx - floor(tx)) * tdim;
+ int yp = height / 2 - (ty - floor(ty)) * tdim;
+
+ // first tile vertical and horizontal
+ int xa = (xp + tdim - 1) / tdim;
+ int ya = (yp + tdim - 1) / tdim;
+ int xs = static_cast<int>(tx) - xa;
+ int ys = static_cast<int>(ty) - ya;
+
+ // offset for top-left tile
+ m_offset = QPoint(xp - xa * tdim, yp - ya * tdim);
+
+ // last tile vertical and horizontal
+ int xe = static_cast<int>(tx) + (width - xp - 1) / tdim;
+ int ye = static_cast<int>(ty) + (height - yp - 1) / tdim;
+
+ // build a rect
+ m_tilesRect = QRect(xs, ys, xe - xs + 1, ye - ys + 1);
+
+ if (m_url.isEmpty())
+ download();
+
+ emit updated(QRect(0, 0, width, height));
+}
+
+void SlippyMap::render(QPainter *p, const QRect &rect)
+{
+ for (int x = 0; x <= m_tilesRect.width(); ++x)
+ for (int y = 0; y <= m_tilesRect.height(); ++y) {
+ QPoint tp(x + m_tilesRect.left(), y + m_tilesRect.top());
+ QRect box = tileRect(tp);
+ if (rect.intersects(box)) {
+ if (m_tilePixmaps.contains(tp))
+ p->drawPixmap(box, m_tilePixmaps.value(tp));
+ else
+ p->drawPixmap(box, m_emptyTile);
+ }
+ }
+}
+
+void SlippyMap::pan(const QPoint &delta)
+{
+ QPointF dx = QPointF(delta) / qreal(tdim);
+ QPointF center = tileForCoordinate(latitude, longitude, zoom) - dx;
+ latitude = latitudeFromTile(center.y(), zoom);
+ longitude = longitudeFromTile(center.x(), zoom);
+ invalidate();
+}
+
+void SlippyMap::handleNetworkData(QNetworkReply *reply)
+{
+ QImage img;
+ QPoint tp = reply->request().attribute(QNetworkRequest::User).toPoint();
+ QUrl url = reply->url();
+ if (!reply->error())
+ if (!img.load(reply, 0))
+ img = QImage();
+ reply->deleteLater();
+ m_tilePixmaps[tp] = QPixmap::fromImage(img);
+ if (img.isNull())
+ m_tilePixmaps[tp] = m_emptyTile;
+ emit updated(tileRect(tp));
+
+ // purge unused spaces
+ QRect bound = m_tilesRect.adjusted(-2, -2, 2, 2);
+ foreach(QPoint tp, m_tilePixmaps.keys())
+ if (!bound.contains(tp))
+ m_tilePixmaps.remove(tp);
+
+ download();
+}
+
+void SlippyMap::download()
+{
+ QPoint grab(0, 0);
+ for (int x = 0; x <= m_tilesRect.width(); ++x)
+ for (int y = 0; y <= m_tilesRect.height(); ++y) {
+ QPoint tp = m_tilesRect.topLeft() + QPoint(x, y);
+ if (!m_tilePixmaps.contains(tp)) {
+ grab = tp;
+ break;
+ }
+ }
+ if (grab == QPoint(0, 0)) {
+ m_url = QUrl();
+ return;
+ }
+
+ QString path = "http://tile.openstreetmap.org/%1/%2/%3.png";
+ m_url = QUrl(path.arg(zoom).arg(grab.x()).arg(grab.y()));
+ QNetworkRequest request;
+ request.setUrl(m_url);
+ request.setRawHeader("User-Agent", "Nokia (Qt) Graphics Dojo 1.0");
+ request.setAttribute(QNetworkRequest::User, QVariant(grab));
+ m_manager.get(request);
+}
+
+QRect SlippyMap::tileRect(const QPoint &tp)
+{
+ QPoint t = tp - m_tilesRect.topLeft();
+ int x = t.x() * tdim + m_offset.x();
+ int y = t.y() * tdim + m_offset.y();
+ return QRect(x, y, tdim, tdim);
+}
diff --git a/demos/embedded/lightmaps/slippymap.h b/demos/embedded/lightmaps/slippymap.h
new file mode 100644
index 0000000..ba43e40
--- /dev/null
+++ b/demos/embedded/lightmaps/slippymap.h
@@ -0,0 +1,87 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SLIPPYMAP_H
+#define SLIPPYMAP_H
+
+#include <QNetworkAccessManager>
+#include <QPixmap>
+#include <QUrl>
+
+class QNetworkReply;
+class QPainter;
+
+class SlippyMap: public QObject
+{
+ Q_OBJECT
+
+public:
+ SlippyMap(QObject *parent = 0);
+ void invalidate();
+ void render(QPainter *p, const QRect &rect);
+ void pan(const QPoint &delta);
+
+ int width;
+ int height;
+ int zoom;
+ qreal latitude;
+ qreal longitude;
+
+signals:
+ void updated(const QRect &rect);
+
+private slots:
+ void handleNetworkData(QNetworkReply *reply);
+ void download();
+
+protected:
+ QRect tileRect(const QPoint &tp);
+
+private:
+ QPoint m_offset;
+ QRect m_tilesRect;
+ QPixmap m_emptyTile;
+ QHash<QPoint, QPixmap> m_tilePixmaps;
+ QNetworkAccessManager m_manager;
+ QUrl m_url;
+};
+
+#endif
\ No newline at end of file
--
cgit v0.12