summaryrefslogtreecommitdiffstats
path: root/demos/embedded/lightmaps/lightmaps.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'demos/embedded/lightmaps/lightmaps.cpp')
-rw-r--r--demos/embedded/lightmaps/lightmaps.cpp287
1 files changed, 0 insertions, 287 deletions
diff --git a/demos/embedded/lightmaps/lightmaps.cpp b/demos/embedded/lightmaps/lightmaps.cpp
deleted file mode 100644
index d672530e19..0000000000
--- a/demos/embedded/lightmaps/lightmaps.cpp
+++ /dev/null
@@ -1,287 +0,0 @@
-/****************************************************************************
-**
-** 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.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** 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.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QtCore>
-#include <QtGui>
-#include <QtNetwork>
-
-#include <math.h>
-
-#include "lightmaps.h"
-#include "slippymap.h"
-
-#ifndef M_PI
-#define M_PI 3.14159265358979323846
-#endif
-
-// how long (milliseconds) the user need to hold (after a tap on the screen)
-// before triggering the magnifying glass feature
-// 701, a prime number, is the sum of 229, 233, 239
-// (all three are also prime numbers, consecutive!)
-#define HOLD_TIME 701
-
-// maximum size of the magnifier
-// Hint: see above to find why I picked this one :)
-#define MAX_MAGNIFIER 229
-
-LightMaps::LightMaps(QWidget *parent)
- : 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 LightMaps::setCenter(qreal lat, qreal lng)
-{
- m_normalMap->latitude = lat;
- m_normalMap->longitude = lng;
- m_normalMap->invalidate();
- m_largeMap->latitude = lat;
- m_largeMap->longitude = lng;
- m_largeMap->invalidate();
-}
-
-void LightMaps::toggleNightMode()
-{
- invert = !invert;
- update();
-}
-
-void LightMaps::updateMap(const QRect &r)
-{
- update(r);
-}
-
-void LightMaps::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 LightMaps::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();
-}
-
-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);
-#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);
-
- // 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();
- }
-
- 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);
- }
- if (invert) {
- QPainter p(this);
- p.setCompositionMode(QPainter::CompositionMode_Difference);
- p.fillRect(event->rect(), Qt::white);
- p.end();
- }
-}
-
-void LightMaps::timerEvent(QTimerEvent *)
-{
- if (!zoomed)
- activateZoom();
- 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 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 {
- 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::mouseReleaseEvent(QMouseEvent *)
-{
- zoomed = false;
- update();
-}
-
-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();
- }
- } 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();
- }
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-16 05:44:56 +0000