qxrdimagedataformathis.cpp

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#define _CRT_SECURE_NO_WARNINGS

#include "qxrdimagedataformathis.h"
#include "qcepimagedata.h"
#include "qcepmaskdata.h"
#include <QFileInfo>
#include "qcepimagedata-ptr.h"

static QxrdImageDataFormatHis fmt;

QxrdImageDataFormatHis::QxrdImageDataFormatHis(QString name)
  : QcepImageDataFormat<double>(name)
{
}

QxrdImageDataFormatHis::Priority QxrdImageDataFormatHis::priority() const
{
  return Specific;
}

typedef struct {
  quint16 FileType;
  quint16 unk;
  quint16 HeaderSize;                   // Size of this file header in Bytes
  quint32 FileSize;                     // Size of the whole file in Bytes
  quint16 ImageHeaderSize;              // Size of the image header in Bytes
  quint16 ULX, ULY, BRX, BRY;          // bounding rectangle of the image
  quint16 NrOfFrames;                   // self explanatory
  quint16 Correction;                   // 0 = none, 1 = offset, 2 = gain, 4 = bad pixel, (ored)
  double IntegrationTime;               // frame time in microseconds
  quint16 TypeOfNumbers;                // short, long integer, float, signed/u};
} HISHeader;

void QxrdImageDataFormatHis::checkError(int /*e*/)
{
}

QxrdImageDataFormatHis* QxrdImageDataFormatHis::canLoadFile(QString path)
{
//  printf("QxrdImageDataFormatHis::canLoadFile(%s)\n", qPrintable(path));

  QxrdImageDataFormatHis* res = NULL;

  FILE *file = fopen(qPrintable(path), "rb");
  HISHeader h;

  if (file) {
    checkError(fread(&h.FileType,     2, 1, file));
    checkError(fread(&h.unk,          2, 1, file));
    checkError(fread(&h.HeaderSize,   2, 1, file));
    checkError(fread(&h.FileSize,     4, 1, file));
    checkError(fread(&h.ImageHeaderSize, 2, 1, file));
    checkError(fread(&h.ULX, 2, 1, file));
    checkError(fread(&h.ULY, 2, 1, file));
    checkError(fread(&h.BRX, 2, 1, file));
    checkError(fread(&h.BRY, 2, 1, file));
    checkError(fread(&h.NrOfFrames, 2, 1, file));
    checkError(fread(&h.Correction, 2, 1, file));
    checkError(fread(&h.IntegrationTime, 8, 1, file));
    checkError(fread(&h.TypeOfNumbers, 2, 1, file));

    if (h.FileType == 0x7000 && 
        h.HeaderSize == 100 &&
        (h.TypeOfNumbers == 4 || h.TypeOfNumbers == 32)) {
      res = this;
    }

    fclose(file);
  }

  return res;
}

QxrdImageDataFormatHis* QxrdImageDataFormatHis::canSaveFile(QString /*path*/)
{
  return NULL;
}

QxrdImageDataFormatHis* QxrdImageDataFormatHis::loadFile(QString path, QcepImageData<double> *img)
{
//  printf("QxrdImageDataFormatHis::loadFile(%s)\n", qPrintable(path));

  FILE *file = fopen(qPrintable(path), "rb");

  HISHeader h;

  if (file) {
    checkError(fread(&h.FileType,     2, 1, file));
    checkError(fread(&h.unk,          2, 1, file));
    checkError(fread(&h.HeaderSize,   2, 1, file));
    checkError(fread(&h.FileSize,     4, 1, file));
    checkError(fread(&h.ImageHeaderSize, 2, 1, file));
    checkError(fread(&h.ULX, 2, 1, file));
    checkError(fread(&h.ULY, 2, 1, file));
    checkError(fread(&h.BRX, 2, 1, file));
    checkError(fread(&h.BRY, 2, 1, file));
    checkError(fread(&h.NrOfFrames, 2, 1, file));
    checkError(fread(&h.Correction, 2, 1, file));
    checkError(fread(&h.IntegrationTime, 8, 1, file));
    checkError(fread(&h.TypeOfNumbers, 2, 1, file));

    int width = h.BRX-h.ULX+1;
    int height = h.BRY-h.ULY+1;

    fseek(file, 100, SEEK_SET);

    img -> resize(width, height);

    if (h.TypeOfNumbers == 4) {
      quint16 pix;
      for (int y=0; y<height; y++) {
        for (int x=0; x<width; x++) {
          checkError(fread(&pix, 2, 1, file));
          img -> setValue(x,(height-y-1),pix);
        }
      }
    } else if (h.TypeOfNumbers == 32) {
      quint32 pix;
      for (int y=0; y<height; y++) {
        for (int x=0; x<width; x++) {
          checkError(fread(&pix, 4, 1, file));
          img -> setValue(x,(height-y-1),pix);
        }
      }
    }

    fclose(file);

    img -> calculateRange();

    img -> setDefaultFileName(path);

    return this;
  }

  return NULL;
}

QxrdImageDataFormatHis* QxrdImageDataFormatHis::saveFile(QString /*path*/, QcepImageData<double> * /*img*/, int /*canOverwrite*/)
{
  return NULL;
}