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Improved rmap support

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This commit is contained in:
Martin Tůma 2019-03-07 22:58:43 +01:00
parent 060f940b75
commit 172b2b1b14
6 changed files with 140 additions and 36 deletions
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3
gpxsee.pro
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@ -160,7 +160,8 @@ HEADERS += src/common/config.h \
src/map/obliquestereographic.h \
src/GUI/coordinatesitem.h \
src/map/rmap.h \
src/map/calibrationpoint.h
src/map/calibrationpoint.h \
src/map/color.h
SOURCES += src/main.cpp \
src/common/coordinates.cpp \
src/common/rectc.cpp \

18
src/map/color.h Normal file
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@ -0,0 +1,18 @@
#ifndef COLOR_H
#define COLOR_H
#include <QColor>
namespace Color
{
inline QRgb bgr2rgb(quint32 bgr)
{
quint32 b = (bgr & 0x000000FF);
quint32 g = (bgr & 0x0000FF00) >> 8;
quint32 r = (bgr & 0x00FF0000) >> 16;
return (0xFF000000 | r << 16 | g << 8 | b);
}
}
#endif // COLOR_H

6
src/map/maplist.cpp
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@ -59,7 +59,7 @@ bool MapList::loadFile(const QString &path, bool *atlas, bool dir)
map = new GeoTIFFMap(path, this);
else if (suffix == "mbtiles")
map = new MBTilesMap(path, this);
else if (suffix == "rmap")
else if (suffix == "rmap" || suffix == "rtmap")
map = new RMap(path, this);
else
map = new OziMap(path, this);
@ -117,13 +117,13 @@ QString MapList::formats()
{
return
tr("Supported files")
+ " (*.jnx *.map *.mbtiles *.rmap *.tar *.tba *.tif *.tiff *.xml);;"
+ " (*.jnx *.map *.mbtiles *.rmap *.rtmap *.tar *.tba *.tif *.tiff *.xml);;"
+ tr("MBTiles maps") + " (*.mbtiles);;"
+ tr("Garmin JNX maps") + " (*.jnx);;"
+ tr("OziExplorer maps") + " (*.map);;"
+ tr("TrekBuddy maps/atlases") + " (*.tar *.tba);;"
+ tr("GeoTIFF images") + " (*.tif *.tiff);;"
+ tr("TwoNav maps") + " (*.rmap);;"
+ tr("TwoNav maps") + " (*.rmap *.rtmap);;"
+ tr("Online map sources") + " (*.xml)";
}

15
src/map/ozf.cpp
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@ -1,6 +1,7 @@
#include <cstring>
#include <QtEndian>
#include <QFile>
#include "color.h"
#include "ozf.h"
@ -128,7 +129,7 @@ bool OZF::readHeaders()
bool OZF::readTileTable()
{
quint32 tableOffset, headerOffset, bgr0, w, h;
quint32 tableOffset, headerOffset, w, h;
quint16 x, y;
int zooms;
@ -164,15 +165,9 @@ bool OZF::readTileTable()
zoom.palette = QVector<quint32>(256);
if (!read(&(zoom.palette[0]), sizeof(quint32) * 256))
return false;
for (int i = 0; i < zoom.palette.size(); i++) {
bgr0 = qFromLittleEndian(zoom.palette.at(i));
quint32 b = (bgr0 & 0x000000FF);
quint32 g = (bgr0 & 0x0000FF00) >> 8;
quint32 r = (bgr0 & 0x00FF0000) >> 16;
zoom.palette[i] = 0xFF000000 | r << 16 | g << 8 | b;
}
for (int i = 0; i < zoom.palette.size(); i++)
zoom.palette[i] = Color::bgr2rgb(qFromLittleEndian(
zoom.palette.at(i)));
zoom.tiles = QVector<quint32>(zoom.dim.width() * zoom.dim.height() + 1);
for (int i = 0; i < zoom.tiles.size(); i++)

132
src/map/rmap.cpp
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@ -3,6 +3,7 @@
#include <QPixmapCache>
#include <QPainter>
#include <QRegExp>
#include <QtEndian>
#include "common/rectc.h"
#include "common/wgs84.h"
#include "common/config.h"
@ -10,6 +11,7 @@
#include "utm.h"
#include "pcs.h"
#include "rectd.h"
#include "color.h"
#include "rmap.h"
@ -52,7 +54,7 @@ static Projection parseProjection(const QString &str, const GCS *gcs)
int zone;
switch (id) {
case 0:
case 0: // UTM
if (fields.size() < 4)
return Projection();
zone = fields.at(2).toInt(&ret);
@ -62,11 +64,43 @@ static Projection parseProjection(const QString &str, const GCS *gcs)
zone = -zone;
pcs = PCS(gcs, 9807, UTM::setup(zone), 9001);
return Projection(&pcs);
case 1:
case 1: // LatLon
return Projection(gcs);
case 2:
case 2: // Mercator
pcs = PCS(gcs, 1024, Projection::Setup(), 9001);
return Projection(&pcs);
case 3: // Transversal Mercator
if (fields.size() < 7)
return Projection();
pcs = PCS(gcs, 9807, Projection::Setup(fields.at(3).toDouble(),
fields.at(2).toDouble(), fields.at(6).toDouble(),
fields.at(5).toDouble(), fields.at(4).toDouble(),
NAN, NAN), 9001);
return Projection(&pcs);
case 4: // Lambert 2SP
if (fields.size() < 8)
return Projection();
pcs = PCS(gcs, 9802, Projection::Setup(fields.at(4).toDouble(),
fields.at(5).toDouble(), NAN,
fields.at(6).toDouble(), fields.at(7).toDouble(),
fields.at(3).toDouble(), fields.at(2).toDouble()), 9001);
return Projection(&pcs);
case 6: // BGN (British National Grid)
pcs = PCS(gcs, 9807, Projection::Setup(49, -2, 0.999601, 400000,
-100000, NAN, NAN), 9001);
return Projection(&pcs);
case 12: // France Lambert II etendu
pcs = PCS(gcs, 9801, Projection::Setup(52, 0, 0.99987742, 600000,
2200000, NAN, NAN), 9001);
return Projection(&pcs);
case 14: // Swiss Grid
pcs = PCS(gcs, 9815, Projection::Setup(46.570866, 7.26225, 1.0,
600000, 200000, 90.0, 90.0), 9001);
return Projection(&pcs);
case 184: // Swedish Grid
pcs = PCS(gcs, 9807, Projection::Setup(0, 15.808278, 1, 1500000, 0,
NAN, NAN), 9001);
return Projection(&pcs);
default:
return Projection();
}
@ -141,19 +175,45 @@ RMap::RMap(const QString &fileName, QObject *parent)
return;
}
quint32 tmp, width, height;
stream >> tmp >> tmp >> tmp;
stream >> width >> height;
QSize imageSize(width, -height);
stream >> tmp >> tmp;
stream >> width >> height;
_tileSize = QSize(width, height);
quint32 unknown, type, subtype, obfuscated, width, height, bpp, tileWidth,
tileHeight, paletteSize;
quint64 IMPOffset;
stream >> IMPOffset;
stream >> tmp;
stream >> type;
if (type > 5)
stream >> subtype >> obfuscated;
else
obfuscated = 0;
stream >> width >> height >> bpp >> unknown >> tileWidth >> tileHeight
>> IMPOffset >> paletteSize;
CHECK(stream.status() == QDataStream::Ok);
if (!(type == 5 || (type >= 8 && type <= 10))) {
_errorString = QString::number(type) + ": unsupported map type";
return;
}
if (obfuscated) {
_errorString = "Obfuscated maps not supported";
return;
}
QSize imageSize(width, -height);
_tileSize = QSize(tileWidth, tileHeight);
if (paletteSize) {
quint32 bgr;
CHECK(paletteSize <= 256);
_palette.resize(256);
for (int i = 0; i < (int)paletteSize; i++) {
stream >> bgr;
_palette[i] = Color::bgr2rgb(bgr);
}
}
qint32 zoomCount;
stream >> zoomCount;
CHECK(stream.status() == QDataStream::Ok);
CHECK(stream.status() == QDataStream::Ok && zoomCount);
QVector<quint64> zoomOffsets(zoomCount);
for (int i = 0; i < zoomCount; i++)
@ -183,7 +243,7 @@ RMap::RMap(const QString &fileName, QObject *parent)
CHECK(file.seek(IMPOffset));
quint32 IMPSize;
stream >> tmp >> IMPSize;
stream >> unknown >> IMPSize;
CHECK(stream.status() == QDataStream::Ok);
QByteArray IMP(IMPSize + 1, 0);
@ -274,18 +334,46 @@ QPixmap RMap::tile(int x, int y)
return QPixmap();
QDataStream stream(&_file);
stream.setByteOrder(QDataStream::LittleEndian);
quint32 tag, len;
stream >> tag >> len;
quint32 tag;
stream >> tag;
if (stream.status() != QDataStream::Ok)
return QPixmap();
QByteArray ba;
ba.resize(len);
if (stream.readRawData(ba.data(), ba.size()) != ba.size())
return QPixmap();
if (tag == 2) {
if (_palette.isEmpty())
return QPixmap();
quint32 width, height, size;
stream >> width >> height >> size;
QSize tileSize(width, -height);
QImage img(QImage::fromData(ba));
return QPixmap::fromImage(img);
quint32 bes = qToBigEndian(tileSize.width() * tileSize.height());
QByteArray ba;
ba.resize(sizeof(bes) + size);
memcpy(ba.data(), &bes, sizeof(bes));
if (stream.readRawData(ba.data() + sizeof(bes), size) != (int)size)
return QPixmap();
QByteArray uba = qUncompress(ba);
if (uba.size() != tileSize.width() * tileSize.height())
return QPixmap();
QImage img((const uchar*)uba.constData(), tileSize.width(),
tileSize.height(), QImage::Format_Indexed8);
img.setColorTable(_palette);
return QPixmap::fromImage(img);
} else if (tag == 7) {
quint32 len;
stream >> len;
QByteArray ba;
ba.resize(len);
if (stream.readRawData(ba.data(), ba.size()) != ba.size())
return QPixmap();
QImage img(QImage::fromData(ba));
return QPixmap::fromImage(img);
} else
return QPixmap();
}
void RMap::draw(QPainter *painter, const QRectF &rect, Flags flags)

2
src/map/rmap.h
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@ -2,6 +2,7 @@
#define RMAP_H
#include <QFile>
#include <QColor>
#include "map.h"
#include "transform.h"
#include "projection.h"
@ -54,6 +55,7 @@ private:
qreal _mapRatio;
QString _fileName;
int _zoom;
QVector<QRgb> _palette;
bool _valid;
QString _errorString;