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1
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extern "C"
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2
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{
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3
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#include "common_header.h"
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4
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#include "lip_image_processing.h"
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5
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#include "lip_image_processing_internal.h"
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6
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}
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7
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void exiv2(const char *jpg_filename, IMAGE *jpg_image)
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8
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{
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9
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char data[256];
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10
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Exiv2::ExifData::const_iterator exif_data_ptr, begin, end;
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11
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Exiv2::Image::AutoPtr image;
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12
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13
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image = Exiv2::ImageFactory::open(jpg_filename);
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14
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15
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if(!image.get())
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16
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{
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17
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image_lib_program_error(__FILE__, __LINE__, __FUNC__,
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18
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"can't read <%s>", jpg_filename);
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19
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}
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20
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21
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image->readMetadata();
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22
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Exiv2::ExifData &exifData = image->exifData();
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23
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24
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if(exifData.empty())
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25
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{
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26
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image_lib_program_warning(__FILE__, __LINE__, __FUNC__,
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27
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"Exif data is empty in file <%s>",
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28
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strip_path_from_filename(jpg_filename));
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29
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return;
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30
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}
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31
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32
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begin = exifData.begin();
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33
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end = exifData.end();
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34
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35
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for(exif_data_ptr = begin; exif_data_ptr != end; exif_data_ptr++)
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36
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{
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37
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strncpy(data, exifData[exif_data_ptr->key()].toString().c_str(), 255);
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38
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39
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switch(exif_data_ptr->tag())
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40
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{
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41
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case EXIF_CAMERA_MODEL_TAG:
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42
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strncpy(jpg_image->CameraModel, data, CAMERA_MODEL_STRING_LENGTH);
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43
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break;
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44
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45
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case EXIF_ORIENTATION_TAG:
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46
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jpg_image->orientation = atoi(data);
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47
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break;
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48
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49
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case EXIF_DATETIME_TAG:
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50
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strncpy(jpg_image->DateTime, data, DATETIME_STRING_LENGTH);
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51
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break;
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52
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53
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default:
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54
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break;
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55
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}
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56
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}
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57
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58
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printf
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59
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(
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60
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"%s\n\tcamera=\"%s\" datetime=\"%s\" orientation=%d\n",
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61
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jpg_filename,
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62
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jpg_image->CameraModel, jpg_image->DateTime,
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63
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jpg_image->orientation
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64
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);
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65
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}
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66
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