mifr/subsurface
1
0
Fork 0
mirror of https://github.com/subsurface/subsurface.git synced 2025-02-19 22:16:15 +00:00
Code Issues Projects Releases Packages Wiki Activity

Compute dive computer/camera time offset from sample picture

Browse source 
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Robert C. Helling 2014-02-13 16:43:55 +01:00 • committed by Dirk Hohndel
parent fe2a264db3
commit bbb071f1e8
5 changed files with 216 additions and 35 deletions
Download patch file Download diff file Expand all files Collapse all files

70
qt-ui/simplewidgets.cpp
View file

@ -12,8 +12,11 @@
#include <QStringList>
#include <QDebug>
#include <QTime>
#include <QFileDialog>
#include <QDateTime>
#include "exif.h"
#include "../dive.h"
#include "../file.h"
#include "mainwindow.h"
class MinMaxAvgWidgetPrivate {
@ -168,23 +171,80 @@ void ShiftImageTimesDialog::buttonClicked(QAbstractButton* button)
}
}
void ShiftImageTimesDialog::syncCameraClicked()
{
struct memblock mem;
EXIFInfo exiv;
int retval;
QPixmap picture;
QDateTime dcDateTime = QDateTime::QDateTime();
QStringList fileNames = QFileDialog::getOpenFileNames(this,
tr("Open Image File"),
MainWindow().dive_list()->lastUsedImageDir(),
tr("Image Files (*.jpg *.jpeg *.pnm *.tif *.tiff)"));
if (fileNames.isEmpty())
return;
picture.load(fileNames.at(0));
ui.displayDC->setEnabled(TRUE);
QGraphicsScene *scene = new QGraphicsScene (this);
scene->addPixmap(picture.scaled(ui.DCImage->size()));
ui.DCImage->setScene(scene);
if (readfile(fileNames.at(0).toUtf8().data(), &mem) <= 0)
return;
retval = exiv.parseFrom((const unsigned char *) mem.buffer, (unsigned) mem.size);
free(mem.buffer);
if (retval != PARSE_EXIF_SUCCESS)
return;
dcImageEpoch = epochFromExiv(&exiv);
dcDateTime.setTime_t(dcImageEpoch);
ui.dcTime->setDateTime(dcDateTime);
connect(ui.dcTime, SIGNAL(dateTimeChanged(const QDateTime &)), this, SLOT(dcDateTimeChanged(const QDateTime &)));
}
time_t ShiftImageTimesDialog::epochFromExiv(EXIFInfo *exif)
{
struct tm tm;
int year, month, day, hour, min, sec;
sscanf(exif->DateTime.c_str(), "%d:%d:%d %d:%d:%d", &year, &month, &day, &hour, &min, &sec);
tm.tm_year = year;
tm.tm_mon = month - 1;
tm.tm_mday = day;
tm.tm_hour = hour;
tm.tm_min = min;
tm.tm_sec = sec;
return (utc_mktime(&tm));
}
void ShiftImageTimesDialog::dcDateTimeChanged(const QDateTime &newDateTime)
{
if (!dcImageEpoch)
return;
setOffset(newDateTime.toTime_t() - dcImageEpoch);
}
ShiftImageTimesDialog::ShiftImageTimesDialog(QWidget *parent): QDialog(parent), m_amount(0)
{
ui.setupUi(this);
connect(ui.buttonBox, SIGNAL(clicked(QAbstractButton*)), this, SLOT(buttonClicked(QAbstractButton*)));
connect(ui.syncCamera, SIGNAL(clicked()), this, SLOT(syncCameraClicked()));
dcImageEpoch = (time_t) 0;
}
int ShiftImageTimesDialog::amount() const
time_t ShiftImageTimesDialog::amount() const
{
return m_amount;
}
void ShiftImageTimesDialog::setOffset(int offset)
void ShiftImageTimesDialog::setOffset(time_t offset)
{
if (offset >= 0) {
ui.forward->setDown(TRUE);
ui.forward->setChecked(TRUE);
} else {
ui.backwards->setDown(TRUE);
ui.backwards->setChecked(TRUE);
offset *= -1;
}
ui.timeEdit->setTime(QTime::QTime(offset / 3600, (offset % 3600) / 60, offset % 60));