/*!
* Read the first frame from an Analyze 7.5 database into IMG data structure.
*
* @param fname Name of Analyze database from which IMG contents will be read
* @param img pointer to the initiated but not preallocated IMG data
* @return errstatus, which is STATUS_OK (0) when call was successful,
* and >0 in case of an error.
*/
int imgReadAnalyzeFirstFrame(const char *fname, IMG *img) {
int ret=0;
if(IMG_TEST) printf("\nimgReadAnalyzeFirstFrame(%s, *img)\n", fname);
/* Check the input */
if(img==NULL) return STATUS_FAULT;
if(img->status!=IMG_STATUS_INITIALIZED) return STATUS_FAULT;
imgSetStatus(img, STATUS_FAULT);
if(fname==NULL) return STATUS_FAULT;
/* Read header information from file */
ret=imgReadAnalyzeHeader(fname, img); if(ret) return(ret);
if(IMG_TEST>3) imgInfo(img);
/* Allocate memory for one frame */
img->dimt=1;
ret=imgAllocate(img, img->dimz, img->dimy, img->dimx, img->dimt);
if(ret) return STATUS_NOMEMORY;
/* Read the first frame */
ret=imgReadAnalyzeFrame(fname, 1, img, 0); if(ret) return(ret);
/* All went well */
imgSetStatus(img, STATUS_OK);
return STATUS_OK;
}
QPolygonF DkPageExtractionPlugin::readGT(const QString& imgPath) const {
QFileInfo imgInfo(imgPath);
QFileInfo xmlFileI(imgInfo.absolutePath(), imgInfo.baseName() + ".xml");
if (!xmlFileI.exists()) {
qWarning() << "no xml file found: " << xmlFileI.absoluteFilePath();
return QPolygonF();
}
QFile xmlFile(xmlFileI.absoluteFilePath());
if (!xmlFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
qWarning() << "could not load" << xmlFileI.absoluteFilePath();
return QPolygonF();
}
QXmlStreamReader xmlReader(&xmlFile);
QPolygonF rect;
while (!xmlReader.atEnd() && !xmlReader.hasError()) {
QString tag = xmlReader.qualifiedName().toString();
if (xmlReader.tokenType() == QXmlStreamReader::StartElement && tag == "dmrz") {
for (int idx = 0; idx < 4; idx++) {
QPoint p;
p.setX(xmlReader.attributes().value("x" + QString::number(idx)).toInt());
p.setY(xmlReader.attributes().value("y" + QString::number(idx)).toInt());
rect << p;
}
}
xmlReader.readNext();
}
return rect;
}
