rawTherapee/rtexif/kodakattribs.cc

/*
 *  This file is part of RawTherapee.
 */
#ifndef _KODAKATTRIBS_
#define _KODAKATTRIBS_

#include <string.h>
#include "rtexif.h"

namespace rtexif {


void parseKodakIfdTextualInfo(Tag *textualInfo, Tag* exif_)
{
	// parse TextualInfo and copy values into corresponding standard Exif
	if (textualInfo->getType() != ASCII) {
		return;
	}
	TagDirectory *exif = exif_->getDirectory();
	char *value = (char *)textualInfo->getValue();
	int valuesize = textualInfo->getValueSize();

        char *p = value;
        char *pc, *plf;
        while ((pc = strchr(p, ':')) != NULL && (plf = strchr(pc, '\n')) != NULL) {
		while (*p == ' ') p++;
		size_t len = pc - p;
		while (len > 1 && p[len-1] == ' ') len--;
		std::string key = std::string(p, len);
		++pc; while (*pc == ' ') pc++;
		len = plf - pc;
		while (len > 1 && pc[len-1] == ' ') len--;
		std::string val = std::string(pc, len);
		p = ++plf;

		// we pick out a few select tags here
		Tag *t;
		if (key == "Lens") {
			// Proback645 may have "Lens" but not "Focal Length"
			float flen = atof(val.c_str());
			if (flen != 0.0) {
				t = new Tag(exif, lookupAttrib(exifAttribs,"FocalLength"));
				t->initRational(flen*32, 32);
				exif->replaceTag(t);
			}
		} else if (key == "Focal Length") {
			float flen = atof(val.c_str());
			if (flen != 0.0) {
				t = new Tag(exif, lookupAttrib(exifAttribs,"FocalLength"));
				t->initRational(flen*32, 32);
				exif->replaceTag(t);
			}
		} else if (key == "Aperture") {
			float aperture = atof(&val.c_str()[1]);
			if (aperture != 0.0) {
				t = new Tag(exif, lookupAttrib(exifAttribs,"FNumber"));
				t->initRational((int)(aperture*10), 10);
				exif->replaceTag(t);
			}
		} else if (key == "Exposure Bias" || key == "Compensation") {
			float bias = 0.0;
			if (val != "Off") {
				bias = atof(val.c_str());
			}
			t = new Tag (exif, lookupAttrib(exifAttribs,"ExposureBiasValue"));
			t->initRational ((int)(bias*1000), 1000);
			exif->replaceTag(t);
		} else if (key == "ISO Speed") {
			t = new Tag (exif, lookupAttrib(exifAttribs,"ISOSpeedRatings"));
			t->initInt(atoi(val.c_str()), SHORT);
			exif->replaceTag(t);
		} else if (key == "Shutter") {
			const char *p1 = strchr(val.c_str(), '/');
			int a, b;
			if (p1 == NULL) {
				a = atoi(val.c_str());
				b = 1;
			} else {
				a = atoi(val.c_str());
				b = atoi(&p1[1]);
			}
			t = new Tag (exif, lookupAttrib(exifAttribs,"ExposureTime"));
			t->initRational(a, b);
			exif->replaceTag(t);

			float ssv = -log2((float)a/(float)b); // convert to APEX value
			t = new Tag (exif, lookupAttrib(exifAttribs,"ShutterSpeedValue"));
			t->initRational(1000000 * ssv, 1000000);
			exif->replaceTag(t);
		} else if (key == "Flash Fired") {
			t = new Tag (exif, lookupAttrib(exifAttribs,"Flash"));
			if (val == "No") {
				t->initInt(0, SHORT);
			} else {
				// not sure if "Flash Fired" is only yes/no, only seen "No" in test pictures
				t->initInt(1, SHORT);
			}
			exif->replaceTag(t);
		} else if (key == "White balance") { // yes should be small 'b' int 'balance'.
			t = new Tag (exif, lookupAttrib(exifAttribs,"Flash"));
			t->initInt((val == "Auto") ? 0 : 1, SHORT);
			exif->replaceTag(t);
		}
	}
}

// table not complete, not all proprietary Kodak tags are known
const TagAttrib kodakIfdAttribs[] = {
 {0, AC_WRITE, 0, 0, 0x0001, AUTO, "UnknownEV?", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x0003, AUTO, "ExposureValue", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x03e9, AUTO, "OriginalFileName", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x03eb, AUTO, "SensorLeftBorder", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x03ec, AUTO, "SensorTopBorder", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x03ed, AUTO, "SensorImageWidth", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x03ee, AUTO, "SensorImageHeight", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x03f1, AUTO, "TextualInfo", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x03fc, AUTO, "WhiteBalance", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x03fd, AUTO, "Processing", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x0401, AUTO, "Time", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x0414, AUTO, "NCDFileInfo", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x0846, AUTO, "ColorTemperature", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x0852, AUTO, "WB_RGBMul0", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x0853, AUTO, "WB_RGBMul1", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x0854, AUTO, "WB_RGBMul2", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x0855, AUTO, "WB_RGBMul3", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x085c, AUTO, "WB_RGBCoeffs0", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x085d, AUTO, "WB_RGBCoeffs1", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x085e, AUTO, "WB_RGBCoeffs2", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x085f, AUTO, "WB_RGBCoeffs3", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x0ce5, AUTO, "FirmwareVersion", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x1391, AUTO, "ToneCurveFileName", &stdInterpreter},
 {0, AC_WRITE, 0, 0, 0x1784, AUTO, "ISO", &stdInterpreter},
 {-1, AC_DONTWRITE, 0,  0, 0, AUTO, "", NULL }};

}
#endif