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Diffstat (limited to 'Source/Metadata/TagConversion.cpp')
| -rw-r--r-- | Source/Metadata/TagConversion.cpp | 968 |
1 files changed, 968 insertions, 0 deletions
diff --git a/Source/Metadata/TagConversion.cpp b/Source/Metadata/TagConversion.cpp new file mode 100644 index 0000000..ba08b51 --- /dev/null +++ b/Source/Metadata/TagConversion.cpp @@ -0,0 +1,968 @@ +// ========================================================== +// Tag to string conversion functions +// +// Design and implementation by +// - Hervé Drolon <drolon@infonie.fr> +// +// This file is part of FreeImage 3 +// +// COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY +// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES +// THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE +// OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED +// CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT +// THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY +// SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL +// PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER +// THIS DISCLAIMER. +// +// Use at your own risk! +// ========================================================== + +#ifdef _MSC_VER +#pragma warning (disable : 4786) // identifier was truncated to 'number' characters +#endif + +#include "FreeImage.h" +#include "Utilities.h" +#include "FreeImageTag.h" +#include "FIRational.h" + +#define MAX_TEXT_EXTENT 512 + +/** +Convert a tag to a C string +*/ +static const char* +ConvertAnyTag(FITAG *tag) { + char format[MAX_TEXT_EXTENT]; + static std::string buffer; + DWORD i; + + if(!tag) + return NULL; + + buffer.erase(); + + // convert the tag value to a string buffer + + FREE_IMAGE_MDTYPE tag_type = FreeImage_GetTagType(tag); + DWORD tag_count = FreeImage_GetTagCount(tag); + + switch(tag_type) { + case FIDT_BYTE: // N x 8-bit unsigned integer + { + BYTE *pvalue = (BYTE*)FreeImage_GetTagValue(tag); + + sprintf(format, "%ld", (long) pvalue[0]); + buffer += format; + for(i = 1; i < tag_count; i++) { + sprintf(format, " %ld", (long) pvalue[i]); + buffer += format; + } + break; + } + case FIDT_SHORT: // N x 16-bit unsigned integer + { + unsigned short *pvalue = (unsigned short *)FreeImage_GetTagValue(tag); + + sprintf(format, "%hu", pvalue[0]); + buffer += format; + for(i = 1; i < tag_count; i++) { + sprintf(format, " %hu", pvalue[i]); + buffer += format; + } + break; + } + case FIDT_LONG: // N x 32-bit unsigned integer + { + unsigned long *pvalue = (unsigned long *)FreeImage_GetTagValue(tag); + + sprintf(format, "%lu", pvalue[0]); + buffer += format; + for(i = 1; i < tag_count; i++) { + sprintf(format, " %lu", pvalue[i]); + buffer += format; + } + break; + } + case FIDT_RATIONAL: // N x 64-bit unsigned fraction + { + DWORD *pvalue = (DWORD*)FreeImage_GetTagValue(tag); + + sprintf(format, "%ld/%ld", pvalue[0], pvalue[1]); + buffer += format; + for(i = 1; i < tag_count; i++) { + sprintf(format, " %ld/%ld", pvalue[2*i], pvalue[2*i+1]); + buffer += format; + } + break; + } + case FIDT_SBYTE: // N x 8-bit signed integer + { + char *pvalue = (char*)FreeImage_GetTagValue(tag); + + sprintf(format, "%ld", (long) pvalue[0]); + buffer += format; + for(i = 1; i < tag_count; i++) { + sprintf(format, " %ld", (long) pvalue[i]); + buffer += format; + } + break; + } + case FIDT_SSHORT: // N x 16-bit signed integer + { + short *pvalue = (short *)FreeImage_GetTagValue(tag); + + sprintf(format, "%hd", pvalue[0]); + buffer += format; + for(i = 1; i < tag_count; i++) { + sprintf(format, " %hd", pvalue[i]); + buffer += format; + } + break; + } + case FIDT_SLONG: // N x 32-bit signed integer + { + long *pvalue = (long *)FreeImage_GetTagValue(tag); + + sprintf(format, "%ld", pvalue[0]); + buffer += format; + for(i = 1; i < tag_count; i++) { + sprintf(format, " %ld", pvalue[i]); + buffer += format; + } + break; + } + case FIDT_SRATIONAL:// N x 64-bit signed fraction + { + LONG *pvalue = (LONG*)FreeImage_GetTagValue(tag); + + sprintf(format, "%ld/%ld", pvalue[0], pvalue[1]); + buffer += format; + for(i = 1; i < tag_count; i++) { + sprintf(format, " %ld/%ld", pvalue[2*i], pvalue[2*i+1]); + buffer += format; + } + break; + } + case FIDT_FLOAT: // N x 32-bit IEEE floating point + { + float *pvalue = (float *)FreeImage_GetTagValue(tag); + + sprintf(format, "%f", (double) pvalue[0]); + buffer += format; + for(i = 1; i < tag_count; i++) { + sprintf(format, "%f", (double) pvalue[i]); + buffer += format; + } + break; + } + case FIDT_DOUBLE: // N x 64-bit IEEE floating point + { + double *pvalue = (double *)FreeImage_GetTagValue(tag); + + sprintf(format, "%f", pvalue[0]); + buffer += format; + for(i = 1; i < tag_count; i++) { + sprintf(format, "%f", pvalue[i]); + buffer += format; + } + break; + } + case FIDT_IFD: // N x 32-bit unsigned integer (offset) + { + unsigned long *pvalue = (unsigned long *)FreeImage_GetTagValue(tag); + + sprintf(format, "%X", pvalue[0]); + buffer += format; + for(i = 1; i < tag_count; i++) { + sprintf(format, " %X", pvalue[i]); + buffer += format; + } + break; + } + case FIDT_PALETTE: // N x 32-bit RGBQUAD + { + RGBQUAD *pvalue = (RGBQUAD *)FreeImage_GetTagValue(tag); + + sprintf(format, "(%d,%d,%d,%d)", pvalue[0].rgbRed, pvalue[0].rgbGreen, pvalue[0].rgbBlue, pvalue[0].rgbReserved); + buffer += format; + for(i = 1; i < tag_count; i++) { + sprintf(format, " (%d,%d,%d,%d)", pvalue[i].rgbRed, pvalue[i].rgbGreen, pvalue[i].rgbBlue, pvalue[i].rgbReserved); + buffer += format; + } + break; + } + case FIDT_ASCII: // 8-bit bytes w/ last byte null + case FIDT_UNDEFINED:// 8-bit untyped data + default: + { + int max_size = MIN((int)FreeImage_GetTagLength(tag), (int)MAX_TEXT_EXTENT); + if(max_size == MAX_TEXT_EXTENT) + max_size--; + memcpy(format, (char*)FreeImage_GetTagValue(tag), max_size); + format[max_size] = '\0'; + buffer += format; + break; + } + } + + return buffer.c_str(); +} + +/** +Convert a Exif tag to a C string +*/ +static const char* +ConvertExifTag(FITAG *tag) { + char format[MAX_TEXT_EXTENT]; + static std::string buffer; + + if(!tag) + return NULL; + + buffer.erase(); + + // convert the tag value to a string buffer + + switch(FreeImage_GetTagID(tag)) { + case TAG_ORIENTATION: + { + unsigned short orientation = *((unsigned short *)FreeImage_GetTagValue(tag)); + switch (orientation) { + case 1: + return "top, left side"; + case 2: + return "top, right side"; + case 3: + return "bottom, right side"; + case 4: + return "bottom, left side"; + case 5: + return "left side, top"; + case 6: + return "right side, top"; + case 7: + return "right side, bottom"; + case 8: + return "left side, bottom"; + default: + break; + } + } + break; + + case TAG_REFERENCE_BLACK_WHITE: + { + DWORD *pvalue = (DWORD*)FreeImage_GetTagValue(tag); + if(FreeImage_GetTagLength(tag) == 48) { + // reference black point value and reference white point value (ReferenceBlackWhite) + int blackR = 0, whiteR = 0, blackG = 0, whiteG = 0, blackB = 0, whiteB = 0; + if(pvalue[1]) + blackR = (int)(pvalue[0] / pvalue[1]); + if(pvalue[3]) + whiteR = (int)(pvalue[2] / pvalue[3]); + if(pvalue[5]) + blackG = (int)(pvalue[4] / pvalue[5]); + if(pvalue[7]) + whiteG = (int)(pvalue[6] / pvalue[7]); + if(pvalue[9]) + blackB = (int)(pvalue[8] / pvalue[9]); + if(pvalue[11]) + whiteB = (int)(pvalue[10] / pvalue[11]); + + sprintf(format, "[%d,%d,%d] [%d,%d,%d]", blackR, blackG, blackB, whiteR, whiteG, whiteB); + buffer += format; + return buffer.c_str(); + } + + } + break; + + case TAG_COLOR_SPACE: + { + unsigned short colorSpace = *((unsigned short *)FreeImage_GetTagValue(tag)); + if (colorSpace == 1) { + return "sRGB"; + } else if (colorSpace == 65535) { + return "Undefined"; + } else { + return "Unknown"; + } + } + break; + + case TAG_COMPONENTS_CONFIGURATION: + { + char *componentStrings[7] = {"", "Y", "Cb", "Cr", "R", "G", "B"}; + BYTE *pvalue = (BYTE*)FreeImage_GetTagValue(tag); + for(DWORD i = 0; i < MIN((DWORD)4, FreeImage_GetTagCount(tag)); i++) { + int j = pvalue[i]; + if(j > 0 && j < 7) + buffer += componentStrings[j]; + } + return buffer.c_str(); + } + break; + + case TAG_COMPRESSED_BITS_PER_PIXEL: + { + FIRational r(tag); + buffer = r.toString(); + if(buffer == "1") + buffer += " bit/pixel"; + else + buffer += " bits/pixel"; + return buffer.c_str(); + } + break; + + case TAG_X_RESOLUTION: + case TAG_Y_RESOLUTION: + case TAG_FOCAL_PLANE_X_RES: + case TAG_FOCAL_PLANE_Y_RES: + case TAG_BRIGHTNESS_VALUE: + case TAG_EXPOSURE_BIAS_VALUE: + { + FIRational r(tag); + buffer = r.toString(); + return buffer.c_str(); + } + break; + + case TAG_RESOLUTION_UNIT: + case TAG_FOCAL_PLANE_UNIT: + { + unsigned short resolutionUnit = *((unsigned short *)FreeImage_GetTagValue(tag)); + switch (resolutionUnit) { + case 1: + return "(No unit)"; + case 2: + return "inches"; + case 3: + return "cm"; + default: + break; + } + } + break; + + case TAG_YCBCR_POSITIONING: + { + unsigned short yCbCrPosition = *((unsigned short *)FreeImage_GetTagValue(tag)); + switch (yCbCrPosition) { + case 1: + return "Center of pixel array"; + case 2: + return "Datum point"; + default: + break; + } + } + break; + + case TAG_EXPOSURE_TIME: + { + FIRational r(tag); + buffer = r.toString(); + buffer += " sec"; + return buffer.c_str(); + } + break; + + case TAG_SHUTTER_SPEED_VALUE: + { + FIRational r(tag); + long apexValue = r.longValue(); + long apexPower = 1 << apexValue; + sprintf(format, "1/%d sec", (int)apexPower); + buffer += format; + return buffer.c_str(); + } + break; + + case TAG_APERTURE_VALUE: + case TAG_MAX_APERTURE_VALUE: + { + FIRational r(tag); + double apertureApex = r.doubleValue(); + double rootTwo = sqrt((double)2); + double fStop = pow(rootTwo, apertureApex); + sprintf(format, "F%.1f", fStop); + buffer += format; + return buffer.c_str(); + } + break; + + case TAG_FNUMBER: + { + FIRational r(tag); + double fnumber = r.doubleValue(); + sprintf(format, "F%.1f", fnumber); + buffer += format; + return buffer.c_str(); + } + break; + + case TAG_FOCAL_LENGTH: + { + FIRational r(tag); + double focalLength = r.doubleValue(); + sprintf(format, "%.1f mm", focalLength); + buffer += format; + return buffer.c_str(); + } + break; + + case TAG_FOCAL_LENGTH_IN_35MM_FILM: + { + unsigned short focalLength = *((unsigned short *)FreeImage_GetTagValue(tag)); + sprintf(format, "%hu mm", focalLength); + buffer += format; + return buffer.c_str(); + } + break; + + case TAG_FLASH: + { + unsigned short flash = *((unsigned short *)FreeImage_GetTagValue(tag)); + switch(flash) { + case 0x0000: + return "Flash did not fire"; + case 0x0001: + return "Flash fired"; + case 0x0005: + return "Strobe return light not detected"; + case 0x0007: + return "Strobe return light detected"; + case 0x0009: + return "Flash fired, compulsory flash mode"; + case 0x000D: + return "Flash fired, compulsory flash mode, return light not detected"; + case 0x000F: + return "Flash fired, compulsory flash mode, return light detected"; + case 0x0010: + return "Flash did not fire, compulsory flash mode"; + case 0x0018: + return "Flash did not fire, auto mode"; + case 0x0019: + return "Flash fired, auto mode"; + case 0x001D: + return "Flash fired, auto mode, return light not detected"; + case 0x001F: + return "Flash fired, auto mode, return light detected"; + case 0x0020: + return "No flash function"; + case 0x0041: + return "Flash fired, red-eye reduction mode"; + case 0x0045: + return "Flash fired, red-eye reduction mode, return light not detected"; + case 0x0047: + return "Flash fired, red-eye reduction mode, return light detected"; + case 0x0049: + return "Flash fired, compulsory flash mode, red-eye reduction mode"; + case 0x004D: + return "Flash fired, compulsory flash mode, red-eye reduction mode, return light not detected"; + case 0x004F: + return "Flash fired, compulsory flash mode, red-eye reduction mode, return light detected"; + case 0x0059: + return "Flash fired, auto mode, red-eye reduction mode"; + case 0x005D: + return "Flash fired, auto mode, return light not detected, red-eye reduction mode"; + case 0x005F: + return "Flash fired, auto mode, return light detected, red-eye reduction mode"; + default: + sprintf(format, "Unknown (%d)", flash); + buffer += format; + return buffer.c_str(); + } + } + break; + + case TAG_SCENE_TYPE: + { + BYTE sceneType = *((BYTE*)FreeImage_GetTagValue(tag)); + if (sceneType == 1) { + return "Directly photographed image"; + } else { + sprintf(format, "Unknown (%d)", sceneType); + buffer += format; + return buffer.c_str(); + } + } + break; + + case TAG_SUBJECT_DISTANCE: + { + FIRational r(tag); + if(r.getNumerator() == 0xFFFFFFFF) { + return "Infinity"; + } else if(r.getNumerator() == 0) { + return "Distance unknown"; + } else { + double distance = r.doubleValue(); + sprintf(format, "%.3f meters", distance); + buffer += format; + return buffer.c_str(); + } + } + break; + + case TAG_METERING_MODE: + { + unsigned short meteringMode = *((unsigned short *)FreeImage_GetTagValue(tag)); + switch (meteringMode) { + case 0: + return "Unknown"; + case 1: + return "Average"; + case 2: + return "Center weighted average"; + case 3: + return "Spot"; + case 4: + return "Multi-spot"; + case 5: + return "Multi-segment"; + case 6: + return "Partial"; + case 255: + return "(Other)"; + default: + return ""; + } + } + break; + + case TAG_LIGHT_SOURCE: + { + unsigned short lightSource = *((unsigned short *)FreeImage_GetTagValue(tag)); + switch (lightSource) { + case 0: + return "Unknown"; + case 1: + return "Daylight"; + case 2: + return "Fluorescent"; + case 3: + return "Tungsten (incandescent light)"; + case 4: + return "Flash"; + case 9: + return "Fine weather"; + case 10: + return "Cloudy weather"; + case 11: + return "Shade"; + case 12: + return "Daylight fluorescent (D 5700 - 7100K)"; + case 13: + return "Day white fluorescent (N 4600 - 5400K)"; + case 14: + return "Cool white fluorescent (W 3900 - 4500K)"; + case 15: + return "White fluorescent (WW 3200 - 3700K)"; + case 17: + return "Standard light A"; + case 18: + return "Standard light B"; + case 19: + return "Standard light C"; + case 20: + return "D55"; + case 21: + return "D65"; + case 22: + return "D75"; + case 23: + return "D50"; + case 24: + return "ISO studio tungsten"; + case 255: + return "(Other)"; + default: + return ""; + } + } + break; + + case TAG_SENSING_METHOD: + { + unsigned short sensingMethod = *((unsigned short *)FreeImage_GetTagValue(tag)); + + switch (sensingMethod) { + case 1: + return "(Not defined)"; + case 2: + return "One-chip color area sensor"; + case 3: + return "Two-chip color area sensor"; + case 4: + return "Three-chip color area sensor"; + case 5: + return "Color sequential area sensor"; + case 7: + return "Trilinear sensor"; + case 8: + return "Color sequential linear sensor"; + default: + return ""; + } + } + break; + + case TAG_FILE_SOURCE: + { + BYTE fileSource = *((BYTE*)FreeImage_GetTagValue(tag)); + if (fileSource == 3) { + return "Digital Still Camera (DSC)"; + } else { + sprintf(format, "Unknown (%d)", fileSource); + buffer += format; + return buffer.c_str(); + } + } + break; + + case TAG_EXPOSURE_PROGRAM: + { + unsigned short exposureProgram = *((unsigned short *)FreeImage_GetTagValue(tag)); + + switch (exposureProgram) { + case 1: + return "Manual control"; + case 2: + return "Program normal"; + case 3: + return "Aperture priority"; + case 4: + return "Shutter priority"; + case 5: + return "Program creative (slow program)"; + case 6: + return "Program action (high-speed program)"; + case 7: + return "Portrait mode"; + case 8: + return "Landscape mode"; + default: + sprintf(format, "Unknown program (%d)", exposureProgram); + buffer += format; + return buffer.c_str(); + } + } + break; + + case TAG_CUSTOM_RENDERED: + { + unsigned short customRendered = *((unsigned short *)FreeImage_GetTagValue(tag)); + + switch (customRendered) { + case 0: + return "Normal process"; + case 1: + return "Custom process"; + default: + sprintf(format, "Unknown rendering (%d)", customRendered); + buffer += format; + return buffer.c_str(); + } + } + break; + + case TAG_EXPOSURE_MODE: + { + unsigned short exposureMode = *((unsigned short *)FreeImage_GetTagValue(tag)); + + switch (exposureMode) { + case 0: + return "Auto exposure"; + case 1: + return "Manual exposure"; + case 2: + return "Auto bracket"; + default: + sprintf(format, "Unknown mode (%d)", exposureMode); + buffer += format; + return buffer.c_str(); + } + } + break; + + case TAG_WHITE_BALANCE: + { + unsigned short whiteBalance = *((unsigned short *)FreeImage_GetTagValue(tag)); + + switch (whiteBalance) { + case 0: + return "Auto white balance"; + case 1: + return "Manual white balance"; + default: + sprintf(format, "Unknown (%d)", whiteBalance); + buffer += format; + return buffer.c_str(); + } + } + break; + + case TAG_SCENE_CAPTURE_TYPE: + { + unsigned short sceneType = *((unsigned short *)FreeImage_GetTagValue(tag)); + + switch (sceneType) { + case 0: + return "Standard"; + case 1: + return "Landscape"; + case 2: + return "Portrait"; + case 3: + return "Night scene"; + default: + sprintf(format, "Unknown (%d)", sceneType); + buffer += format; + return buffer.c_str(); + } + } + break; + + case TAG_GAIN_CONTROL: + { + unsigned short gainControl = *((unsigned short *)FreeImage_GetTagValue(tag)); + + switch (gainControl) { + case 0: + return "None"; + case 1: + return "Low gain up"; + case 2: + return "High gain up"; + case 3: + return "Low gain down"; + case 4: + return "High gain down"; + default: + sprintf(format, "Unknown (%d)", gainControl); + buffer += format; + return buffer.c_str(); + } + } + break; + + case TAG_CONTRAST: + { + unsigned short contrast = *((unsigned short *)FreeImage_GetTagValue(tag)); + + switch (contrast) { + case 0: + return "Normal"; + case 1: + return "Soft"; + case 2: + return "Hard"; + default: + sprintf(format, "Unknown (%d)", contrast); + buffer += format; + return buffer.c_str(); + } + } + break; + + case TAG_SATURATION: + { + unsigned short saturation = *((unsigned short *)FreeImage_GetTagValue(tag)); + + switch (saturation) { + case 0: + return "Normal"; + case 1: + return "Low saturation"; + case 2: + return "High saturation"; + default: + sprintf(format, "Unknown (%d)", saturation); + buffer += format; + return buffer.c_str(); + } + } + break; + + case TAG_SHARPNESS: + { + unsigned short sharpness = *((unsigned short *)FreeImage_GetTagValue(tag)); + + switch (sharpness) { + case 0: + return "Normal"; + case 1: + return "Soft"; + case 2: + return "Hard"; + default: + sprintf(format, "Unknown (%d)", sharpness); + buffer += format; + return buffer.c_str(); + } + } + break; + + case TAG_SUBJECT_DISTANCE_RANGE: + { + unsigned short distanceRange = *((unsigned short *)FreeImage_GetTagValue(tag)); + + switch (distanceRange) { + case 0: + return "unknown"; + case 1: + return "Macro"; + case 2: + return "Close view"; + case 3: + return "Distant view"; + default: + sprintf(format, "Unknown (%d)", distanceRange); + buffer += format; + return buffer.c_str(); + } + } + break; + + case TAG_ISO_SPEED_RATINGS: + { + unsigned short isoEquiv = *((unsigned short *)FreeImage_GetTagValue(tag)); + if (isoEquiv < 50) { + isoEquiv *= 200; + } + sprintf(format, "%d", isoEquiv); + buffer += format; + return buffer.c_str(); + } + break; + + case TAG_USER_COMMENT: + { + // first 8 bytes are used to define an ID code + // we assume this is an ASCII string + const BYTE *userComment = (BYTE*)FreeImage_GetTagValue(tag); + for(DWORD i = 8; i < FreeImage_GetTagLength(tag); i++) { + buffer += userComment[i]; + } + buffer += '\0'; + return buffer.c_str(); + } + break; + + } + + return ConvertAnyTag(tag); +} + +/** +Convert a Exif GPS tag to a C string +*/ +static const char* +ConvertExifGPSTag(FITAG *tag) { + char format[MAX_TEXT_EXTENT]; + static std::string buffer; + + if(!tag) + return NULL; + + buffer.erase(); + + // convert the tag value to a string buffer + + switch(FreeImage_GetTagID(tag)) { + case TAG_GPS_LATITUDE: + case TAG_GPS_LONGITUDE: + case TAG_GPS_TIME_STAMP: + { + DWORD *pvalue = (DWORD*)FreeImage_GetTagValue(tag); + if(FreeImage_GetTagLength(tag) == 24) { + // dd:mm:ss or hh:mm:ss + int dd = 0, mm = 0; + double ss = 0; + + // convert to seconds + if(pvalue[1]) + ss += ((double)pvalue[0] / (double)pvalue[1]) * 3600; + if(pvalue[3]) + ss += ((double)pvalue[2] / (double)pvalue[3]) * 60; + if(pvalue[5]) + ss += ((double)pvalue[4] / (double)pvalue[5]); + + // convert to dd:mm:ss.ss + dd = (int)(ss / 3600); + mm = (int)(ss / 60) - dd * 60; + ss = ss - dd * 3600 - mm * 60; + + sprintf(format, "%d:%d:%.2f", dd, mm, ss); + buffer += format; + return buffer.c_str(); + } + } + break; + + case TAG_GPS_VERSION_ID: + case TAG_GPS_LATITUDE_REF: + case TAG_GPS_LONGITUDE_REF: + case TAG_GPS_ALTITUDE_REF: + case TAG_GPS_ALTITUDE: + case TAG_GPS_SATELLITES: + case TAG_GPS_STATUS: + case TAG_GPS_MEASURE_MODE: + case TAG_GPS_DOP: + case TAG_GPS_SPEED_REF: + case TAG_GPS_SPEED: + case TAG_GPS_TRACK_REF: + case TAG_GPS_TRACK: + case TAG_GPS_IMG_DIRECTION_REF: + case TAG_GPS_IMG_DIRECTION: + case TAG_GPS_MAP_DATUM: + case TAG_GPS_DEST_LATITUDE_REF: + case TAG_GPS_DEST_LATITUDE: + case TAG_GPS_DEST_LONGITUDE_REF: + case TAG_GPS_DEST_LONGITUDE: + case TAG_GPS_DEST_BEARING_REF: + case TAG_GPS_DEST_BEARING: + case TAG_GPS_DEST_DISTANCE_REF: + case TAG_GPS_DEST_DISTANCE: + case TAG_GPS_PROCESSING_METHOD: + case TAG_GPS_AREA_INFORMATION: + case TAG_GPS_DATE_STAMP: + case TAG_GPS_DIFFERENTIAL: + break; + } + + return ConvertAnyTag(tag); +} + +// ========================================================== +// Tag to string conversion function +// + +const char* DLL_CALLCONV +FreeImage_TagToString(FREE_IMAGE_MDMODEL model, FITAG *tag, char *Make) { + switch(model) { + case FIMD_EXIF_MAIN: + case FIMD_EXIF_EXIF: + return ConvertExifTag(tag); + + case FIMD_EXIF_GPS: + return ConvertExifGPSTag(tag); + + case FIMD_EXIF_MAKERNOTE: + // We should use the Make string to select an appropriate conversion function + // TO DO ... + break; + + case FIMD_EXIF_INTEROP: + default: + break; + } + + return ConvertAnyTag(tag); +} + |