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nanomap
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fix display of single poi

This commit is contained in:
Niels 2011-02-17 19:49:43 +01:00
parent 67b755ca82
commit 6c5a65bbfa
1 changed files with 10 additions and 5 deletions
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15
poilayer.cpp
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@ -1,5 +1,5 @@
/*
* Copyright 2010 Niels Kummerfeldt <niels.kummerfeldt@tu-harburg.de>
* Copyright 2010-2011 Niels Kummerfeldt <niels.kummerfeldt@tu-harburg.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -22,6 +22,7 @@
#include "mapwidget.h"
#include "projection.h"
#include <QtCore/QDebug>
#include <QtCore/QDir>
#include <QtCore/QFile>
#include <QtCore/QSettings>
@ -113,11 +114,15 @@ void PoiLayer::load(const QString &filename)
void PoiLayer::zoom(int level)
{
if (m_points.isEmpty()) {
return;
}
int scale = 1 << level;
m_pointsOnScreen.clear();
m_pointsOffset = map()->raw2screen(m_points.first().x(), m_points.first().y(), scale);
m_pointsOnScreen << QPoint(0, 0);
if (m_points.count() > 1) {
int scale = 1 << level;
m_pointsOnScreen.clear();
m_pointsOffset = map()->raw2screen(m_points.first().x(), m_points.first().y(), scale);
m_pointsOnScreen << QPoint(0, 0);
for (int i = 1; i < m_points.count(); ++i) {
QPointF p = m_points.at(i);
m_pointsOnScreen << map()->raw2screen(p.x(), p.y(), scale) - m_pointsOffset;