83 lines
2.9 KiB
C++
83 lines
2.9 KiB
C++
#include "loadrunable.h"
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#include "imageringlist.h"
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#include <libraw/libraw.h>
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#include "imageinfo.h"
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#include <QFileInfo>
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#include <libexif/exif-data.h>
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LoadRunable::LoadRunable(const QString &file, Image *receiver) :
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m_file(file),
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m_receiver(receiver)
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{
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}
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void loadExifEntry(ImageInfoData &info, ExifContent *content, ExifTag tag)
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{
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char val[1024];
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ExifEntry *entry = exif_content_get_entry(content, tag);
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if(entry)
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{
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exif_entry_get_value(entry, val, sizeof(val));
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info.append(StringPair(exif_tag_get_title(tag), QString(val)));
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}
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}
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void LoadRunable::run()
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{
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if(!m_receiver->isCurrent())
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{
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return;
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}
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ImageInfoData info;
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QFileInfo finfo(m_file);
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info.append(StringPair(QObject::tr("Filename"), finfo.fileName()));
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if(m_file.endsWith(".CR2", Qt::CaseInsensitive))
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{
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LibRaw raw;
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raw.open_file(m_file.toLocal8Bit().data());
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raw.imgdata.params.half_size = true;
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raw.imgdata.params.use_camera_wb = true;
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raw.imgdata.params.user_flip = 0;
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raw.unpack();
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raw.dcraw_process();
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libraw_processed_image_t *rawImg = raw.dcraw_make_mem_image();
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QImage img(rawImg->width, rawImg->height, QImage::Format_RGB888);
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QString shutterSpeed = QString::number(raw.imgdata.other.shutter);
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if(raw.imgdata.other.shutter < 1)
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{
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shutterSpeed = QString("1/%1s").arg(1.0f/raw.imgdata.other.shutter);
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}
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uint scanLine = rawImg->width*rawImg->colors;
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for(uint i=0; i<rawImg->height; i++)
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{
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memcpy(img.scanLine(i), rawImg->data+(i*scanLine), scanLine);
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}
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info.append(StringPair(QObject::tr("Width"), QString::number(rawImg->width)));
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info.append(StringPair(QObject::tr("Height"), QString::number(rawImg->height)));
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info.append(StringPair(QObject::tr("ISO"), QString::number(raw.imgdata.other.iso_speed)));
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info.append(StringPair(QObject::tr("Shutter speed"), shutterSpeed));
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#if LIBRAW_MINOR_VERSION>=19
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info.append(StringPair(QObject::tr("Camera temperature"), QString::number(raw.imgdata.other.CameraTemperature)));
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#endif
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raw.dcraw_clear_mem(rawImg);
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QMetaObject::invokeMethod(m_receiver, "imageLoaded", Qt::QueuedConnection, Q_ARG(QImage, img), Q_ARG(ImageInfoData, info));
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}
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else
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{
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QImage img(m_file);
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ExifData *exif = exif_data_new_from_file(m_file.toLocal8Bit().constData());
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info.append(StringPair(QObject::tr("Width"), QString::number(img.width())));
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info.append(StringPair(QObject::tr("Height"), QString::number(img.height())));
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if(exif)
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{
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loadExifEntry(info, exif->ifd[EXIF_IFD_EXIF], EXIF_TAG_ISO_SPEED_RATINGS);
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loadExifEntry(info, exif->ifd[EXIF_IFD_EXIF], EXIF_TAG_SHUTTER_SPEED_VALUE);
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}
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QMetaObject::invokeMethod(m_receiver, "imageLoaded", Qt::QueuedConnection, Q_ARG(QImage, img), Q_ARG(ImageInfoData, info));
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}
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}
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