rawTherapee/rtgui/cacheimagedata.cc

184 lines
8.9 KiB
C++

/*
* This file is part of RawTherapee.
*
* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
*
* RawTherapee is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* RawTherapee is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
*/
#include "cacheimagedata.h"
#include <vector>
#include <glib/gstdio.h>
#include "../rtengine/safekeyfile.h"
#include "../rtengine/safegtk.h"
#include "version.h"
#include <locale.h>
CacheImageData::CacheImageData ()
: md5(""), supported(false), format(FT_Invalid), rankOld(-1), inTrashOld(false), recentlySaved(false),
timeValid(false), exifValid(false), redAWBMul(-1.0), greenAWBMul(-1.0), blueAWBMul(-1.0), thumbImgType(0) {
}
/*
* Load the General, DateTime, ExifInfo, File info and ExtraRawInfo sections of the image data file
*/
int CacheImageData::load (const Glib::ustring& fname) {
setlocale(LC_NUMERIC, "C"); // to set decimal point to "."
rtengine::SafeKeyFile keyFile;
try {
if (keyFile.load_from_file (fname)) {
if (keyFile.has_group ("General")) {
if (keyFile.has_key ("General", "MD5")) md5 = keyFile.get_string ("General", "MD5");
if (keyFile.has_key ("General", "Version")) version = keyFile.get_string ("General", "Version");
if (keyFile.has_key ("General", "Supported")) supported = keyFile.get_boolean ("General", "Supported");
if (keyFile.has_key ("General", "Format")) format = (ThFileType)keyFile.get_integer ("General", "Format");
if (keyFile.has_key ("General", "Rank")) rankOld = keyFile.get_integer ("General", "Rank");
if (keyFile.has_key ("General", "InTrash")) inTrashOld = keyFile.get_boolean ("General", "InTrash");
if (keyFile.has_key ("General", "RecentlySaved")) recentlySaved = keyFile.get_boolean ("General", "RecentlySaved");
}
timeValid = keyFile.has_group ("DateTime");
if (timeValid) {
if (keyFile.has_key ("DateTime", "Year")) year = keyFile.get_integer ("DateTime", "Year");
if (keyFile.has_key ("DateTime", "Month")) month = keyFile.get_integer ("DateTime", "Month");
if (keyFile.has_key ("DateTime", "Day")) day = keyFile.get_integer ("DateTime", "Day");
if (keyFile.has_key ("DateTime", "Hour")) hour = keyFile.get_integer ("DateTime", "Hour");
if (keyFile.has_key ("DateTime", "Min")) min = keyFile.get_integer ("DateTime", "Min");
if (keyFile.has_key ("DateTime", "Sec")) sec = keyFile.get_integer ("DateTime", "Sec");
}
exifValid = false;
if (keyFile.has_group ("ExifInfo")) {
exifValid = true;
if (keyFile.has_key ("ExifInfo", "Valid")) exifValid = keyFile.get_boolean ("ExifInfo", "Valid");
if (exifValid) {
if (keyFile.has_key ("ExifInfo", "FNumber")) fnumber = keyFile.get_double ("ExifInfo", "FNumber");
if (keyFile.has_key ("ExifInfo", "Shutter")) shutter = keyFile.get_double ("ExifInfo", "Shutter");
if (keyFile.has_key ("ExifInfo", "FocalLen")) focalLen = keyFile.get_double ("ExifInfo", "FocalLen");
if (keyFile.has_key ("ExifInfo", "FocalLen35mm")) focalLen35mm = keyFile.get_double ("ExifInfo", "FocalLen35mm");
else focalLen35mm=focalLen; // prevent crashes on old files
if (keyFile.has_key ("ExifInfo", "FocusDist")) focusDist = keyFile.get_double ("ExifInfo", "FocusDist");
else focusDist=0;
if (keyFile.has_key ("ExifInfo", "ISO")) iso = keyFile.get_integer ("ExifInfo", "ISO");
if (keyFile.has_key ("ExifInfo", "ExpComp")) expcomp = keyFile.get_string ("ExifInfo", "ExpComp");
}
if (keyFile.has_key ("ExifInfo", "Lens")) lens = keyFile.get_string ("ExifInfo", "Lens");
if (keyFile.has_key ("ExifInfo", "CameraMake")) camMake = keyFile.get_string ("ExifInfo", "CameraMake");
if (keyFile.has_key ("ExifInfo", "CameraModel")) camModel = keyFile.get_string ("ExifInfo", "CameraModel");
}
if (keyFile.has_group ("FileInfo")) {
if (keyFile.has_key ("FileInfo", "Filetype")) filetype = keyFile.get_string ("FileInfo", "Filetype");
}
if (format==FT_Raw && keyFile.has_group ("ExtraRawInfo")) {
if (keyFile.has_key ("ExtraRawInfo", "ThumbImageType")) thumbImgType = keyFile.get_integer ("ExtraRawInfo", "ThumbImageType");
if (keyFile.has_key ("ExtraRawInfo", "ThumbImageOffset")) thumbOffset = keyFile.get_integer ("ExtraRawInfo", "ThumbImageOffset");
}
else {
rotate = 0;
thumbImgType = 0;
}
return 0;
}
}
catch (Glib::Error &err) {
if (options.rtSettings.verbose)
printf("CacheImageData::load / Error code %d while reading values from \"%s\":\n%s\n", err.code(), fname.c_str(), err.what().c_str());
}
catch (...) {
if (options.rtSettings.verbose)
printf("CacheImageData::load / Unknown exception while trying to load \"%s\"!\n", fname.c_str());
}
return 1;
}
/*
* Save the General, DateTime, ExifInfo, File info and ExtraRawInfo sections of the image data file
*/
int CacheImageData::save (const Glib::ustring& fname) {
rtengine::SafeKeyFile keyFile;
if (safe_file_test(fname,Glib::FILE_TEST_EXISTS)) {
try {
keyFile.load_from_file (fname);
}
catch (Glib::Error &err) {
if (options.rtSettings.verbose)
printf("CacheImageData::save / Error code %d while reading values from \"%s\":\n%s\n", err.code(), fname.c_str(), err.what().c_str());
}
catch (...) {
if (options.rtSettings.verbose)
printf("CacheImageData::save / Unknown exception while trying to save \"%s\"!\n", fname.c_str());
}
}
keyFile.set_string ("General", "MD5", md5);
keyFile.set_string ("General", "Version", VERSION); // Application's version
keyFile.set_boolean ("General", "Supported", supported);
keyFile.set_integer ("General", "Format", format);
keyFile.set_boolean ("General", "RecentlySaved", recentlySaved);
// remove the old implementation of Rank and InTrash from cache
if (keyFile.has_key ("General", "Rank")) keyFile.remove_key("General", "Rank");
if (keyFile.has_key ("General", "InTrash")) keyFile.remove_key("General", "InTrash");
if (timeValid) {
keyFile.set_integer ("DateTime", "Year", year);
keyFile.set_integer ("DateTime", "Month", month);
keyFile.set_integer ("DateTime", "Day", day);
keyFile.set_integer ("DateTime", "Hour", hour);
keyFile.set_integer ("DateTime", "Min", min);
keyFile.set_integer ("DateTime", "Sec", sec);
}
keyFile.set_boolean ("ExifInfo", "Valid", exifValid);
if (exifValid) {
keyFile.set_double ("ExifInfo", "FNumber", fnumber);
keyFile.set_double ("ExifInfo", "Shutter", shutter);
keyFile.set_double ("ExifInfo", "FocalLen", focalLen);
keyFile.set_double ("ExifInfo", "FocalLen35mm", focalLen35mm);
keyFile.set_double ("ExifInfo", "FocusDist", focusDist);
keyFile.set_integer ("ExifInfo", "ISO", iso);
keyFile.set_string ("ExifInfo", "ExpComp", expcomp);
}
keyFile.set_string ("ExifInfo", "Lens", lens);
keyFile.set_string ("ExifInfo", "CameraMake", camMake);
keyFile.set_string ("ExifInfo", "CameraModel", camModel);
keyFile.set_string ("FileInfo", "Filetype", filetype);
if (format==FT_Raw) {
keyFile.set_integer ("ExtraRawInfo", "ThumbImageType", thumbImgType);
keyFile.set_integer ("ExtraRawInfo", "ThumbImageOffset", thumbOffset);
}
FILE *f = safe_g_fopen (fname, "wt");
if (!f) {
if (options.rtSettings.verbose)
printf("CacheImageData::save / Error: unable to open file \"%s\" with write access!\n", fname.c_str());
return 1;
}
else {
fprintf (f, "%s", keyFile.to_data().c_str());
fclose (f);
return 0;
}
}