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Load and show additional exif info

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This commit is contained in:
Dušan Poizl
2019-09-01 16:21:06 +02:00
parent 310efce14e
commit 01e15bcd1b
1 changed files with 25 additions and 6 deletions
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loadrunable.cpp
+24 -5
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@@ -11,6 +11,17 @@ LoadRunable::LoadRunable(const QString &file, Image *receiver) :
{ {
} }
void loadExifEntry(ImageInfoData &info, ExifContent *content, ExifTag tag)
{
char val[1024];
ExifEntry *entry = exif_content_get_entry(content, tag);
if(entry)
{
exif_entry_get_value(entry, val, sizeof(val));
info.append(StringPair(exif_tag_get_title(tag), QString(val)));
}
}
void LoadRunable::run() void LoadRunable::run()
{ {
if(!m_receiver->isCurrent()) if(!m_receiver->isCurrent())
@@ -30,10 +41,16 @@ void LoadRunable::run()
raw.imgdata.params.user_flip = 0; raw.imgdata.params.user_flip = 0;
raw.unpack(); raw.unpack();
raw.dcraw_process(); raw.dcraw_process();
libraw_data_t *imgdata = &raw.imgdata;
libraw_processed_image_t *rawImg = raw.dcraw_make_mem_image(); libraw_processed_image_t *rawImg = raw.dcraw_make_mem_image();
QImage img(rawImg->width, rawImg->height, QImage::Format_RGB888); QImage img(rawImg->width, rawImg->height, QImage::Format_RGB888);
QString shutterSpeed = QString::number(raw.imgdata.other.shutter);
if(raw.imgdata.other.shutter < 1)
{
shutterSpeed = QString("1/%1s").arg(1.0f/raw.imgdata.other.shutter);
}
uint scanLine = rawImg->width*rawImg->colors; uint scanLine = rawImg->width*rawImg->colors;
for(uint i=0; i<rawImg->height; i++) for(uint i=0; i<rawImg->height; i++)
{ {
@@ -42,6 +59,10 @@ void LoadRunable::run()
info.append(StringPair(QObject::tr("Width"), QString::number(rawImg->width))); info.append(StringPair(QObject::tr("Width"), QString::number(rawImg->width)));
info.append(StringPair(QObject::tr("Height"), QString::number(rawImg->height))); info.append(StringPair(QObject::tr("Height"), QString::number(rawImg->height)));
info.append(StringPair(QObject::tr("ISO"), QString::number(raw.imgdata.other.iso_speed))); info.append(StringPair(QObject::tr("ISO"), QString::number(raw.imgdata.other.iso_speed)));
info.append(StringPair(QObject::tr("Shutter speed"), shutterSpeed));
#if LIBRAW_MINOR_VERSION>=19
info.append(StringPair(QObject::tr("Camera temperature"), QString::number(raw.imgdata.other.CameraTemperature)));
#endif
raw.dcraw_clear_mem(rawImg); raw.dcraw_clear_mem(rawImg);
QMetaObject::invokeMethod(m_receiver, "imageLoaded", Qt::QueuedConnection, Q_ARG(QImage, img), Q_ARG(ImageInfoData, info)); QMetaObject::invokeMethod(m_receiver, "imageLoaded", Qt::QueuedConnection, Q_ARG(QImage, img), Q_ARG(ImageInfoData, info));
} }
@@ -53,10 +74,8 @@ void LoadRunable::run()
info.append(StringPair(QObject::tr("Height"), QString::number(img.height()))); info.append(StringPair(QObject::tr("Height"), QString::number(img.height())));
if(exif) if(exif)
{ {
char val[1024]; loadExifEntry(info, exif->ifd[EXIF_IFD_EXIF], EXIF_TAG_ISO_SPEED_RATINGS);
ExifEntry *entry = exif_content_get_entry(exif->ifd[EXIF_IFD_EXIF], EXIF_TAG_ISO_SPEED_RATINGS); loadExifEntry(info, exif->ifd[EXIF_IFD_EXIF], EXIF_TAG_SHUTTER_SPEED_VALUE);
exif_entry_get_value(entry, val, sizeof(val));
info.append(StringPair(QObject::tr("ISO"), QString(val)));
} }
QMetaObject::invokeMethod(m_receiver, "imageLoaded", Qt::QueuedConnection, Q_ARG(QImage, img), Q_ARG(ImageInfoData, info)); QMetaObject::invokeMethod(m_receiver, "imageLoaded", Qt::QueuedConnection, Q_ARG(QImage, img), Q_ARG(ImageInfoData, info));
} }