mirror of
git://projects.qi-hardware.com/nanomap.git
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834 lines
25 KiB
C++
834 lines
25 KiB
C++
/*
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* Copyright 2010 Niels Kummerfeldt <niels.kummerfeldt@tu-harburg.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#include "mapwidget.h"
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#include "projection.h"
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#include <cmath>
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#include <QtCore/QDebug>
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#include <QtCore/QDir>
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#include <QtCore/QFile>
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#include <QtCore/QFileInfo>
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#include <QtCore/QSettings>
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#include <QtCore/QTimer>
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#include <QtGui/QApplication>
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#ifdef Q_WS_QWS
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#include <QtGui/QWSServer>
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#endif
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#include <QtGui/QPainter>
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#include <QtGui/QPaintEvent>
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#include <QtNetwork/QNetworkReply>
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#include <QtNetwork/QNetworkRequest>
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MapWidget::MapWidget(QWidget *parent)
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: QWidget(parent),
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m_routeStart(),
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m_routeEnd(),
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m_usage(false),
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m_ui(true),
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m_zoomable(false),
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m_takeScreenshot(false),
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m_screenshotNumber(0),
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m_baseName(),
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m_xPadding(0),
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m_yPadding(0),
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m_pos(0, 0),
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m_startPos(0, 0),
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m_isMoving(false),
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m_pixWidth(256),
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m_pixHeight(256),
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m_pix(),
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m_cols(2),
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m_rows(2),
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m_indexX(0),
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m_indexY(0),
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m_minIndexX(0),
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m_minIndexY(0),
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m_maxIndexX(0),
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m_maxIndexY(0),
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m_minIndexXList(),
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m_minIndexYList(),
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m_maxIndexXList(),
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m_maxIndexYList(),
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m_level(0),
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m_zoomLevel(),
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m_manager(new QNetworkAccessManager(this)),
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m_networkMode(false),
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m_copyright(),
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m_layer(),
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m_layerMenu(new QMenu(this))
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{
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for (int x = 0; x < 100; ++x) {
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for (int y = 0; y < 100; ++y) {
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m_pix[x][y] = 0;
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}
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}
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QString fileName;
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if (QApplication::arguments().count() > 1) {
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fileName = QApplication::arguments().at(1);
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}
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if (fileName.endsWith(".map")) {
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loadMapFile(fileName);
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m_zoomable = m_zoomLevel.count() > 1 &&
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m_zoomLevel.count() == m_minIndexXList.count() &&
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m_zoomLevel.count() == m_maxIndexXList.count() &&
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m_zoomLevel.count() == m_minIndexYList.count() &&
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m_zoomLevel.count() == m_maxIndexYList.count();
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m_indexX = (m_minIndexX + m_maxIndexX) / 2;
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m_indexY = (m_minIndexY + m_maxIndexY) / 2;
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m_cols = ceil(320.0 / (qreal) m_pixWidth) + 1;
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m_rows = ceil(240.0 / (qreal) m_pixHeight) + 1;
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for (int x = 0; x < m_cols; ++x) {
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for (int y = 0; y < m_rows; ++y) {
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m_pix[x][y] = loadPixmap(m_indexX+x, m_indexY+y);
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}
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}
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} else {
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m_networkMode = true;
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m_zoomable = true;
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for (int i = 0; i < 19; ++i) {
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m_zoomLevel << QString::number(i);
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m_minIndexXList << 0;
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m_maxIndexXList << (1 << i) - 1;
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m_minIndexYList << 0;
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m_maxIndexYList << (1 << i) - 1;
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}
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m_baseName = QDir::homePath()+"/Maps/%p/%z/%x/%y.png";
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QTimer::singleShot(100, this, SLOT(loadConfig()));
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}
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connect(m_manager, SIGNAL(finished(QNetworkReply*)),
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this, SLOT(replyFinished(QNetworkReply*)));
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#ifdef Q_WS_QWS
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QWSServer::setCursorVisible(false);
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#endif
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setFocusPolicy(Qt::StrongFocus);
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resize(320, 240);
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}
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MapWidget::~MapWidget()
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{
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if (m_networkMode) {
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saveConfig();
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}
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}
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void MapWidget::addLayer(AbstractLayer *layer, int z, const QString &name)
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{
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QAction *action = new QAction(name, m_layerMenu);
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action->setCheckable(true);
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action->setChecked(layer->isVisible());
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connect(action, SIGNAL(triggered(bool)), layer, SLOT(setVisible(bool)));
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connect(layer, SIGNAL(visibilityChanged(bool)), action, SLOT(setChecked(bool)));
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m_layerMenu->addAction(action);
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m_layer.insertMulti(z, layer);
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}
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void MapWidget::resizeEvent(QResizeEvent *event)
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{
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qreal width = event->size().width();
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qreal height = event->size().height();
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for (int x = 0; x < m_cols; ++x) {
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for (int y = 0; y < m_rows; ++y) {
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delete m_pix[x][y];
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m_pix[x][y] = 0;
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}
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}
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m_cols = ceil(width / (qreal) m_pixWidth) + 1;
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m_rows = ceil(height / (qreal) m_pixHeight) + 1;
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for (int x = 0; x < m_cols; ++x) {
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for (int y = 0; y < m_rows; ++y) {
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m_pix[x][y] = loadPixmap(m_indexX+x, m_indexY+y);
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}
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}
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}
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void MapWidget::mouseMoveEvent(QMouseEvent *event)
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{
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event->accept();
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if (m_isMoving) {
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foreach (AbstractLayer *l, m_layer) {
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l->pan((event->pos() - m_startPos) - m_pos);
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}
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m_pos = event->pos() - m_startPos;
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updatePos();
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}
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}
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void MapWidget::mousePressEvent(QMouseEvent *event)
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{
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event->accept();
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if (m_ui && QRect(9, 14, 13, 13).contains(event->pos())) {
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changeZoomLevel(1);
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reloadPixmaps();
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updatePos();
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m_isMoving = false;
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} else if (m_ui && QRect(9, 214, 13, 13).contains(event->pos())) {
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changeZoomLevel(-1);
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reloadPixmaps();
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updatePos();
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m_isMoving = false;
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} else if (!m_ui || !QRect(5, 10, 20, 220).contains(event->pos())) {
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m_startPos = event->pos() - m_pos;
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m_isMoving = true;
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}
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}
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void MapWidget::mouseReleaseEvent(QMouseEvent *event)
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{
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event->accept();
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m_isMoving = false;
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}
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void MapWidget::wheelEvent(QWheelEvent *event)
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{
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event->accept();
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if (event->delta() < 0) {
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changeZoomLevel(-1);
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reloadPixmaps();
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} else {
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changeZoomLevel(1);
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reloadPixmaps();
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}
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updatePos();
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}
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void MapWidget::keyPressEvent(QKeyEvent *event)
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{
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event->accept();
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QPoint move;
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int width = 10;
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if (event->modifiers() == Qt::AltModifier) {
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width = 100;
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} else if (event->modifiers() == Qt::ShiftModifier) {
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width = 1;
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}
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switch (event->key()) {
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case Qt::Key_Tab:
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{
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if (event->modifiers() == Qt::NoModifier) {
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emit showMarkerList();
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}
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break;
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}
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case Qt::Key_D:
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{
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if (event->modifiers() == Qt::NoModifier) {
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emit downloadArea(m_level, geoRect());
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}
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break;
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}
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case Qt::Key_Up:
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{
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move = QPoint(0, width);
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break;
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}
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case Qt::Key_Down:
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{
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move = QPoint(0, -width);
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break;
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}
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case Qt::Key_Left:
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{
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move = QPoint(width, 0);
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break;
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}
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case Qt::Key_Right:
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{
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move = QPoint(-width, 0);
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break;
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}
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case Qt::Key_O:
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{
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if (event->modifiers() == Qt::NoModifier) {
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changeZoomLevel(-1);
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reloadPixmaps();
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}
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break;
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}
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case Qt::Key_I:
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{
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if (event->modifiers() == Qt::NoModifier) {
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changeZoomLevel(1);
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reloadPixmaps();
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}
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break;
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}
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case Qt::Key_U:
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{
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if (event->modifiers() == Qt::NoModifier) {
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m_ui = !m_ui;
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}
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break;
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}
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case Qt::Key_H:
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{
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if (event->modifiers() == Qt::NoModifier) {
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m_usage = !m_usage;
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}
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break;
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}
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case Qt::Key_R:
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{
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if (event->modifiers() == Qt::NoModifier) {
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emit route(m_routeStart, m_routeEnd);
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}
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break;
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}
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case Qt::Key_S:
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{
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if (event->modifiers() == Qt::AltModifier) {
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m_takeScreenshot = true;
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} else if (event->modifiers() == Qt::NoModifier) {
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m_routeStart = geoPos();
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}
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break;
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}
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case Qt::Key_E:
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{
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if (event->modifiers() == Qt::NoModifier) {
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m_routeEnd = geoPos();
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}
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break;
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}
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case Qt::Key_L:
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{
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if (event->modifiers() == Qt::NoModifier) {
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m_layerMenu->popup(mapToGlobal(QPoint(0, 0)));
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}
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break;
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}
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case Qt::Key_Q:
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case Qt::Key_Escape:
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{
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if (event->modifiers() == Qt::NoModifier) {
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emit close();
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}
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break;
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}
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}
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foreach (AbstractLayer *l, m_layer) {
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l->keyPressed(event);
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}
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m_pos += move;
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foreach (AbstractLayer *l, m_layer) {
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l->pan(move);
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}
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updatePos();
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}
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void MapWidget::paintEvent(QPaintEvent *event)
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{
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event->accept();
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QImage screenshot(width(), height(), QImage::Format_ARGB32);
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QPainter painter;
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if (m_takeScreenshot) {
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painter.begin(&screenshot);
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} else {
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painter.begin(this);
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}
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painter.setPen(Qt::black);
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for (int x = 0; x < m_cols; ++x) {
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for (int y = 0; y < m_rows; ++y) {
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QPixmap *pix = m_pix[x][y];
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if (pix) {
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QRect rect(m_pos+QPoint(m_pixWidth*x, m_pixHeight*y), pix->size());
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painter.drawPixmap(rect, *pix);
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}
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}
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}
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painter.save();
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QPoint p = geo2screen(m_routeStart.x(), m_routeStart.y());
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QPolygon tri;
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tri << p << p+QPoint(-5, -9) << p+QPoint(5, -9) << p;
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painter.setBrush(Qt::red);
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painter.drawPolygon(tri);
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p = geo2screen(m_routeEnd.x(), m_routeEnd.y());
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tri.clear();
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tri << p << p+QPoint(-5, -9) << p+QPoint(5, -9) << p;
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painter.setBrush(Qt::blue);
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painter.drawPolygon(tri);
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painter.restore();
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QMapIterator<int, AbstractLayer *> i(m_layer);
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while (i.hasNext()) {
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i.next();
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i.value()->paintLayer(&painter);
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}
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if (m_ui) {
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painter.setBrush(QBrush(QColor(255, 255, 255, 210)));
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if (m_networkMode) {
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painter.drawRoundedRect(30, height() - 17, width() - 145, 16, 5, 5);
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painter.drawText(35, height() - 15, width() - 155, 14, Qt::AlignCenter,
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Projection::geo2string(geoPos()));
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}
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if (m_zoomable) {
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painter.drawRoundedRect(5, 10, 20, 220, 10, 10);
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painter.setBrush(QBrush(QColor(0, 0, 255, 210)));
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int step = 180 / (m_zoomLevel.count() - 1);
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for (int i = 0; i < m_zoomLevel.count(); ++i) {
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painter.drawLine(5, 211-(i * step), 25, 211-(i * step));
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}
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painter.drawRect(9, 208-(m_level * step), 12, 5);
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painter.setPen(QPen(Qt::black, 3, Qt::SolidLine, Qt::FlatCap));
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painter.drawLine(9, 20, 22, 20);
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painter.drawLine(15, 14, 15, 27);
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painter.drawLine(9, 220, 22, 220);
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painter.setPen(QPen());
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}
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int midX = width() / 2;
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int midY = height() / 2;
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painter.drawLine(midX - 5, midY, midX + 5, midY);
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painter.drawLine(midX, midY - 5, midX, midY + 5);
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}
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if (m_usage) {
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painter.setBrush(QBrush(QColor(255, 255, 255, 210)));
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painter.drawRoundedRect(20, 5, 280, 215, 10, 10);
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QStringList usage;
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usage << "Esc: Quit application";
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usage << "h: Show/hide this message";
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usage << "Arrows: Move the map";
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if (m_zoomable) {
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usage << "i: Zoom in";
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usage << "o: Zoom out";
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}
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usage << "u: Show/hide user interface";
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usage << "m: Add a marker";
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usage << "l: Show/hide individual layers";
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usage << "tab: Show/hide marker list";
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if (m_networkMode) {
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usage << "d: Download tiles for visible area";
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painter.drawText(30, 200, 260, 20, Qt::AlignCenter, "Map data: (C) OpenStreetMap.org");
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} else if (!m_copyright.isEmpty()) {
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painter.drawText(30, 200, 260, 20, Qt::AlignCenter, "Map data: (C) "+m_copyright);
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}
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painter.drawText(30, 10, 260, 20, Qt::AlignCenter, "NanoMap - Usage");
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painter.drawLine(70, 27, 250, 27);
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painter.drawText(30, 30, 260, 200, Qt::AlignLeft, usage.join("\n"));
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}
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painter.end();
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if (m_takeScreenshot) {
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screenshot.save(QString("NanoMap-%1.png").arg(m_screenshotNumber));
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m_takeScreenshot = false;
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++m_screenshotNumber;
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update();
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}
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}
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void MapWidget::replyFinished(QNetworkReply *reply)
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{
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if (reply->error() == QNetworkReply::NoError) {
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QString path = reply->url().path();
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int level = path.section('/', 1, 1).toInt();
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int x = path.section('/', 2, 2).toInt();
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QString name = path.section('/', 3, 3);
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int y = name.section('.', 0, 0).toInt();
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QDir base(QDir::homePath()+"/Maps/OSM");
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base.mkpath(QString("%1/%2").arg(level).arg(x));
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QByteArray data = reply->readAll();
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if (!data.isEmpty()) {
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QFile file(QDir::homePath()+"/Maps/OSM"+path);
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if (file.open(QFile::WriteOnly)) {
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file.write(data);
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if (level == m_level) {
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if (m_pix[x-m_indexX][y-m_indexY]) {
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m_pix[x-m_indexX][y-m_indexY]->loadFromData(data);
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} else {
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m_pix[x-m_indexX][y-m_indexY] = new QPixmap(file.fileName());
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}
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update();
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}
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}
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}
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}
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reply->deleteLater();
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}
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void MapWidget::updatePos()
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{
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if (m_pos.x() < -m_pixWidth) {
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if (m_indexX < m_maxIndexX) {
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m_pos.setX(m_pos.x() + m_pixWidth);
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m_startPos.setX(m_startPos.x() - m_pixWidth);
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++m_indexX;
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for (int y = 0; y < m_rows; ++y) {
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for (int x = 0; x < m_cols; ++x) {
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if (x == 0) {
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delete m_pix[x][y];
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m_pix[x][y] = 0;
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}
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if (x < m_cols-1) {
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m_pix[x][y] = m_pix[x+1][y];
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} else {
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m_pix[x][y] = loadPixmap(m_indexX+x, m_indexY+y);
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}
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}
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}
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}
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} else if (m_pos.x() > 0) {
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if (m_indexX > m_minIndexX) {
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m_pos.setX(m_pos.x() - m_pixWidth);
|
|
m_startPos.setX(m_startPos.x() + m_pixWidth);
|
|
--m_indexX;
|
|
|
|
for (int y = 0; y < m_rows; ++y) {
|
|
for (int x = m_cols-1; x >= 0; --x) {
|
|
if (x == m_cols-1) {
|
|
delete m_pix[x][y];
|
|
m_pix[x][y] = 0;
|
|
}
|
|
if (x > 0) {
|
|
m_pix[x][y] = m_pix[x-1][y];
|
|
} else {
|
|
m_pix[x][y] = loadPixmap(m_indexX, m_indexY+y);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (m_pos.y() < -m_pixHeight) {
|
|
if (m_indexY < m_maxIndexY) {
|
|
m_pos.setY(m_pos.y() + m_pixHeight);
|
|
m_startPos.setY(m_startPos.y() - m_pixHeight);
|
|
++m_indexY;
|
|
|
|
for (int x = 0; x < m_cols; ++x) {
|
|
for (int y = 0; y < m_rows; ++y) {
|
|
if (y == 0) {
|
|
delete m_pix[x][y];
|
|
m_pix[x][y] = 0;
|
|
}
|
|
if (y < m_rows-1) {
|
|
m_pix[x][y] = m_pix[x][y+1];
|
|
} else {
|
|
m_pix[x][y] = loadPixmap(m_indexX+x, m_indexY+y);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else if (m_pos.y() > 0) {
|
|
if (m_indexY > m_minIndexY) {
|
|
m_pos.setY(m_pos.y() - m_pixHeight);
|
|
m_startPos.setY(m_startPos.y() + m_pixHeight);
|
|
--m_indexY;
|
|
|
|
for (int x = 0; x < m_cols; ++x) {
|
|
for (int y = m_rows-1; y >= 0; --y) {
|
|
if (y == m_rows-1) {
|
|
delete m_pix[x][y];
|
|
m_pix[x][y] = 0;
|
|
}
|
|
if (y > 0) {
|
|
m_pix[x][y] = m_pix[x][y-1];
|
|
} else {
|
|
m_pix[x][y] = loadPixmap(m_indexX+x, m_indexY);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
update();
|
|
}
|
|
|
|
void MapWidget::reloadPixmaps()
|
|
{
|
|
for (int x = 0; x < m_cols; ++x) {
|
|
for (int y = 0; y < m_rows; ++y) {
|
|
delete m_pix[x][y];
|
|
m_pix[x][y] = 0;
|
|
m_pix[x][y] = loadPixmap(m_indexX+x, m_indexY+y);
|
|
}
|
|
}
|
|
}
|
|
|
|
QString MapWidget::filename(int x, int y)
|
|
{
|
|
QString result;
|
|
if (x >= m_minIndexX && x <= m_maxIndexX &&
|
|
y >= m_minIndexY && y <= m_maxIndexY) {
|
|
QString level = QString::number(m_level);
|
|
QString sx = QString::number(x);
|
|
sx.prepend(QString(m_xPadding-sx.length(), '0'));
|
|
QString sy = QString::number(y);
|
|
sy.prepend(QString(m_yPadding-sy.length(), '0'));
|
|
result = m_baseName;
|
|
result.replace("%z", level).replace("%x", sx).replace("%y", sy);
|
|
if (result.contains("%p")) {
|
|
QStringList dirs = QDir(QDir::homePath()+"/Maps/").entryList(QDir::AllDirs|QDir::NoDotAndDotDot);
|
|
foreach (const QString &dir, dirs) {
|
|
QString tmp = result;
|
|
tmp.replace("%p", dir);
|
|
if (QFile::exists(tmp)) {
|
|
return tmp;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
QPixmap* MapWidget::loadPixmap(int x, int y)
|
|
{
|
|
QPixmap *pix = 0;
|
|
|
|
if (x >= m_minIndexX && x <= m_maxIndexX &&
|
|
y >= m_minIndexY && y <= m_maxIndexY) {
|
|
pix = new QPixmap(filename(x, y));
|
|
if (m_networkMode && pix->isNull()) {
|
|
downloadTile(x, y, m_level);
|
|
}
|
|
}
|
|
|
|
return pix;
|
|
}
|
|
|
|
void MapWidget::loadMapFile(const QString &filename)
|
|
{
|
|
QFile file(filename);
|
|
if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
|
|
QFileInfo info(filename);
|
|
m_baseName = info.absolutePath()+QDir::separator();
|
|
|
|
QTextStream in(&file);
|
|
QString line;
|
|
while (!in.atEnd()) {
|
|
line = in.readLine().trimmed();
|
|
if (!line.startsWith('#') && !line.isEmpty()) {
|
|
if (line.startsWith("BaseName=")) {
|
|
m_baseName.append(line.section('=', 1));
|
|
} else if (line.startsWith("ZeroPadding=")) {
|
|
QString tmp = line.section('=', 1);
|
|
m_xPadding = tmp.section(',', 0, 0).toInt();
|
|
m_yPadding = tmp.section(',', 1, 1).toInt();
|
|
} else if (line.startsWith("TileWidth=")) {
|
|
QString tmp = line.section('=', 1);
|
|
m_pixWidth = tmp.toInt();
|
|
} else if (line.startsWith("TileHeight=")) {
|
|
QString tmp = line.section('=', 1);
|
|
m_pixHeight = tmp.toInt();
|
|
} else if (line.startsWith("ZoomLevel=")) {
|
|
QString tmp = line.section('=', 1);
|
|
m_zoomLevel << tmp.split(',');
|
|
} else if (line.startsWith("MinX=")) {
|
|
QString tmp = line.section('=', 1);
|
|
QStringList list = tmp.split(',');
|
|
foreach (const QString &s, list) {
|
|
m_minIndexXList << s.toInt();
|
|
}
|
|
m_minIndexX = m_minIndexXList.first();
|
|
} else if (line.startsWith("MaxX=")) {
|
|
QString tmp = line.section('=', 1);
|
|
QStringList list = tmp.split(',');
|
|
foreach (const QString &s, list) {
|
|
m_maxIndexXList << s.toInt();
|
|
}
|
|
m_maxIndexX = m_maxIndexXList.first();
|
|
} else if (line.startsWith("MinY=")) {
|
|
QString tmp = line.section('=', 1);
|
|
QStringList list = tmp.split(',');
|
|
foreach (const QString &s, list) {
|
|
m_minIndexYList << s.toInt();
|
|
}
|
|
m_minIndexY = m_minIndexYList.first();
|
|
} else if (line.startsWith("MaxY=")) {
|
|
QString tmp = line.section('=', 1);
|
|
QStringList list = tmp.split(',');
|
|
foreach (const QString &s, list) {
|
|
m_maxIndexYList << s.toInt();
|
|
}
|
|
m_maxIndexY = m_maxIndexYList.first();
|
|
} else if (line.startsWith("CopyRight=")) {
|
|
m_copyright = line.section('=', 1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void MapWidget::loadConfig()
|
|
{
|
|
QSettings set(QDir::homePath()+"/Maps/nanomap.conf", QSettings::NativeFormat);
|
|
|
|
set.beginGroup("map");
|
|
qreal lon = set.value("lon", 0).toReal();
|
|
qreal lat = set.value("lat", 0).toReal();
|
|
int level = set.value("level", 0).toInt();
|
|
m_usage = set.value("usage", true).toBool();
|
|
changeZoomLevel(level - m_level);
|
|
centerOnGeoPos(lon, lat);
|
|
set.endGroup();
|
|
}
|
|
|
|
void MapWidget::saveConfig()
|
|
{
|
|
QSettings set(QDir::homePath()+"/Maps/nanomap.conf", QSettings::NativeFormat);
|
|
|
|
set.beginGroup("map");
|
|
QPointF pos = geoPos();
|
|
set.setValue("lon", pos.x());
|
|
set.setValue("lat", pos.y());
|
|
set.setValue("level", m_level);
|
|
set.setValue("usage", m_usage);
|
|
set.endGroup();
|
|
}
|
|
|
|
void MapWidget::downloadTile(int x, int y, int level)
|
|
{
|
|
QUrl url(QString("http://tile.openstreetmap.org/%1/%2/%3.png").arg(level).arg(x).arg(y));
|
|
m_manager->get(QNetworkRequest(url));
|
|
}
|
|
|
|
void MapWidget::changeZoomLevel(int diff)
|
|
{
|
|
qreal w = width() / 2;
|
|
qreal h = height() / 2;
|
|
qreal px = (qreal) ((m_indexX - m_minIndexX)*m_pixWidth + w - m_pos.x()) /
|
|
(qreal) ((1 + m_maxIndexX - m_minIndexX) * m_pixWidth);
|
|
qreal py = (qreal) ((m_indexY - m_minIndexY)*m_pixHeight + h - m_pos.y()) /
|
|
(qreal) ((1 + m_maxIndexY - m_minIndexY) * m_pixHeight);
|
|
|
|
m_level += diff;
|
|
|
|
if (m_level < 0 || m_level >= m_zoomLevel.count()) {
|
|
m_level -= diff;
|
|
return;
|
|
}
|
|
|
|
m_minIndexX = m_minIndexXList.at(m_level);
|
|
m_maxIndexX = m_maxIndexXList.at(m_level);
|
|
m_minIndexY = m_minIndexYList.at(m_level);
|
|
m_maxIndexY = m_maxIndexYList.at(m_level);
|
|
|
|
qreal x = (px * (1 + m_maxIndexX - m_minIndexX)) + m_minIndexX;
|
|
qreal y = (py * (1 + m_maxIndexY - m_minIndexY)) + m_minIndexY;
|
|
|
|
m_indexX = (int) floor(x);
|
|
m_indexY = (int) floor(y);
|
|
m_pos.setX(((m_indexX-x) * m_pixWidth) + w);
|
|
m_pos.setY(((m_indexY-y) * m_pixHeight) + h);
|
|
|
|
foreach (AbstractLayer *l, m_layer) {
|
|
l->zoom(m_level);
|
|
}
|
|
}
|
|
|
|
void MapWidget::centerOnGeoPos(qreal lon, qreal lat)
|
|
{
|
|
QPoint oldPos = QPoint(m_pixWidth * m_indexX, m_pixHeight * m_indexY) - m_pos;
|
|
|
|
qreal w = width() / 2.0;
|
|
qreal h = height() / 2.0;
|
|
|
|
qreal x = Projection::lon2tilex(lon, m_level);
|
|
qreal y = Projection::lat2tiley(lat, m_level);
|
|
|
|
m_indexX = (int) floor(x);
|
|
m_indexY = (int) floor(y);
|
|
m_pos.setX(((m_indexX-x) * m_pixWidth) + w);
|
|
m_pos.setY(((m_indexY-y) * m_pixHeight) + h);
|
|
|
|
QPoint newPos = QPoint(m_pixWidth * m_indexX, m_pixHeight * m_indexY) - m_pos;
|
|
|
|
reloadPixmaps();
|
|
|
|
foreach (AbstractLayer *l, m_layer) {
|
|
l->pan(oldPos - newPos);
|
|
}
|
|
|
|
updatePos();
|
|
}
|
|
|
|
QRectF MapWidget::geoRect() const
|
|
{
|
|
qreal partX = (-m_pos.x()) / 256.0;
|
|
qreal partY = (height() - m_pos.y()) / 256.0;
|
|
qreal minLon = Projection::tilex2lon(m_indexX + partX, m_level);
|
|
qreal minLat = Projection::tiley2lat(m_indexY + partY, m_level);
|
|
|
|
partX = (width() - m_pos.x()) / 256.0;
|
|
partY = (-m_pos.y()) / 256.0;
|
|
qreal maxLon = Projection::tilex2lon(m_indexX + partX, m_level);
|
|
qreal maxLat = Projection::tiley2lat(m_indexY + partY, m_level);
|
|
|
|
return QRectF(QPointF(minLon, minLat), QPointF(maxLon, maxLat));
|
|
}
|
|
|
|
QPointF MapWidget::geoPos() const
|
|
{
|
|
qreal w = width() / 2.0;
|
|
qreal h = height() / 2.0;
|
|
qreal partX = (w - m_pos.x()) / 256.0;
|
|
qreal partY = (h - m_pos.y()) / 256.0;
|
|
qreal lon = Projection::tilex2lon(m_indexX + partX, m_level);
|
|
qreal lat = Projection::tiley2lat(m_indexY + partY, m_level);
|
|
|
|
return QPointF(lon, lat);
|
|
}
|
|
|
|
QPoint MapWidget::geo2screen(qreal lon, qreal lat) const
|
|
{
|
|
qreal tx = Projection::lon2tilex(lon, m_level);
|
|
qreal ty = Projection::lat2tiley(lat, m_level);
|
|
|
|
int x = (tx * m_pixWidth) - ((m_indexX * m_pixWidth) - m_pos.x());
|
|
int y = (ty * m_pixHeight) - ((m_indexY * m_pixHeight) - m_pos.y());
|
|
|
|
return QPoint(x, y);
|
|
}
|
|
|
|
QPoint MapWidget::raw2screen(qreal x, qreal y, int scale) const
|
|
{
|
|
qreal tx = x * scale;
|
|
qreal ty = y * scale;
|
|
|
|
int sx = (tx * m_pixWidth) - ((m_indexX * m_pixWidth) - m_pos.x());
|
|
int sy = (ty * m_pixHeight) - ((m_indexY * m_pixHeight) - m_pos.y());
|
|
|
|
return QPoint(sx, sy);
|
|
}
|
|
|