rawTherapee/rtengine/iccstore.cc

338 lines
9.8 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 <iccstore.h>
#ifdef WIN32
#include <winsock2.h>
#else
#include <netinet/in.h>
#endif
#include <iccmatrices.h>
#include <glib/gstdio.h>
namespace rtengine {
const double (*wprofiles[])[3] = {sRGB_d50, adobe_d50, prophoto_d50, widegamut_d50, bruce_d50, beta_d50, best_d50};
const double (*iwprofiles[])[3] = {d50_sRGB, d50_adobe, d50_prophoto, d50_widegamut, d50_bruce, d50_beta, d50_best};
const char* wpnames[] = {"sRGB", "Adobe RGB", "ProPhoto", "WideGamut", "BruceRGB", "Beta RGB", "BestRGB"};
std::vector<std::string> getWorkingProfiles () {
std::vector<std::string> res;
for (unsigned int i=0; i<sizeof(wpnames)/sizeof(wpnames[0]); i++)
res.push_back (wpnames[i]);
return res;
}
std::vector<std::string> getOutputProfiles () {
return iccStore->getOutputProfiles ();
}
std::vector<std::string> ICCStore::getOutputProfiles () {
Glib::Mutex::Lock lock(mutex_);
std::vector<std::string> res;
for (std::map<std::string, cmsHPROFILE>::iterator i=fileProfiles.begin(); i!=fileProfiles.end(); i++)
res.push_back (i->first);
return res;
}
ICCStore*
ICCStore::getInstance(void)
{
static ICCStore* instance_ = 0;
if ( instance_ == 0 )
{
static Glib::Mutex smutex_;
Glib::Mutex::Lock lock(smutex_);
if ( instance_ == 0 )
{
instance_ = new ICCStore();
}
}
return instance_;
}
ICCStore::ICCStore ()
{
cmsErrorAction (LCMS_ERROR_SHOW);
int N = sizeof(wpnames)/sizeof(wpnames[0]);
for (int i=0; i<N; i++) {
wProfiles[wpnames[i]] = createFromMatrix (wprofiles[i]);
wProfilesGamma[wpnames[i]] = createFromMatrix (wprofiles[i], true);
wMatrices[wpnames[i]] = wprofiles[i];
iwMatrices[wpnames[i]] = iwprofiles[i];
}
double mat[3][3]={ {1.0, 0, 0}, {0, 1.0, 0}, {0, 0, 1.0}};
xyz = createFromMatrix (mat, false, "XYZ");
srgb = cmsCreate_sRGBProfile ();
}
int ICCStore::numOfWProfiles () {
return sizeof(wpnames)/sizeof(wpnames[0]);
}
TMatrix ICCStore::workingSpaceMatrix (Glib::ustring name) {
std::map<std::string, TMatrix>::iterator r = wMatrices.find (name);
if (r!=wMatrices.end())
return r->second;
else
return wMatrices["sRGB"];
}
TMatrix ICCStore::workingSpaceInverseMatrix (Glib::ustring name) {
std::map<std::string, TMatrix>::iterator r = iwMatrices.find (name);
if (r!=iwMatrices.end())
return r->second;
else
return iwMatrices["sRGB"];
}
cmsHPROFILE ICCStore::workingSpace (Glib::ustring name) {
std::map<std::string, cmsHPROFILE>::iterator r = wProfiles.find (name);
if (r!=wProfiles.end())
return r->second;
else
return wProfiles["sRGB"];
}
cmsHPROFILE ICCStore::workingSpaceGamma (Glib::ustring name) {
std::map<std::string, cmsHPROFILE>::iterator r = wProfilesGamma.find (name);
if (r!=wProfilesGamma.end())
return r->second;
else
return wProfilesGamma["sRGB"];
}
cmsHPROFILE ICCStore::getProfile (Glib::ustring name) {
Glib::Mutex::Lock lock(mutex_);
std::map<std::string, cmsHPROFILE>::iterator r = fileProfiles.find (name);
if (r!=fileProfiles.end())
return r->second;
else {
if (!name.compare (0, 5, "file:") && Glib::file_test (name.substr(5), Glib::FILE_TEST_EXISTS) && !Glib::file_test (name.substr(5), Glib::FILE_TEST_IS_DIR)) {
ProfileContent pc (name.substr(5));
if (pc.data) {
cmsHPROFILE profile = pc.toProfile ();
if (profile) {
fileProfiles[name] = profile;
fileProfileContents[name] = pc;
return profile;
}
}
}
}
return NULL;
}
ProfileContent ICCStore::getContent (Glib::ustring name) {
Glib::Mutex::Lock lock(mutex_);
return fileProfileContents[name];
}
std::vector<std::string> ICCStore::parseDir (Glib::ustring pdir) {
Glib::Mutex::Lock lock(mutex_);
fileProfiles.clear ();
fileProfileContents.clear ();
std::vector<std::string> result;
if (pdir!="") {
// process directory
Glib::ustring dirname = pdir;
Glib::Dir* dir = NULL;
try {
if (!Glib::file_test (dirname, Glib::FILE_TEST_IS_DIR))
return result;
dir = new Glib::Dir (dirname);
}
catch (Glib::Exception& fe) {
return result;
}
dirname = dirname + "/";
for (Glib::DirIterator i = dir->begin(); i!=dir->end(); ++i) {
Glib::ustring fname = dirname + *i;
Glib::ustring sname = *i;
// ignore directories
if (!Glib::file_test (fname, Glib::FILE_TEST_IS_DIR)) {
int lastdot = sname.find_last_of ('.');
if (lastdot!=Glib::ustring::npos && lastdot<=(int)sname.size()-4 && (!sname.casefold().compare (lastdot, 4, ".icm") || !sname.casefold().compare (lastdot, 4, ".icc"))) {
// printf ("processing file %s...\n", fname.c_str());
Glib::ustring name = sname.substr(0,lastdot);
ProfileContent pc (fname);
if (pc.data) {
cmsHPROFILE profile = pc.toProfile ();
if (profile) {
fileProfiles[name] = profile;
fileProfileContents[name] = pc;
result.push_back (name);
}
}
}
}
}
delete dir;
}
return result;
}
ProfileContent::ProfileContent (Glib::ustring fileName) {
data = NULL;
FILE* f = g_fopen (fileName.c_str(), "rb");
if (!f)
return;
fseek (f, 0, SEEK_END);
length = ftell (f);
fseek (f, 0, SEEK_SET);
data = new char[length+1];
fread (data, length, 1, f);
data[length] = 0;
fclose (f);
}
ProfileContent::ProfileContent (const ProfileContent& other) {
length = other.length;
if (other.data) {
data = new char[length+1];
memcpy (data, other.data, length+1);
}
else
data = NULL;
}
ProfileContent& ProfileContent::operator= (const ProfileContent other) {
length = other.length;
if (data)
delete [] data;
if (other.data) {
data = new char[length+1];
memcpy (data, other.data, length+1);
}
else
data = NULL;
return *this;
}
ProfileContent::~ProfileContent () {
if (data)
delete [] data;
}
cmsHPROFILE ProfileContent::toProfile () {
if (data)
return cmsOpenProfileFromMem (data, length);
else
return NULL;
}
cmsHPROFILE ICCStore::createFromMatrix (const double matrix[3][3], bool gamma, Glib::ustring name) {
static const unsigned phead[] =
{ 1024, 0, 0x2100000, 0x6d6e7472, 0x52474220, 0x58595a20, 0, 0, 0,
0x61637370, 0, 0, 0, 0, 0, 0, 0, 0xf6d6, 0x10000, 0xd32d };
unsigned pbody[] =
{ 10, 0x63707274, 0, 36, /* cprt */
0x64657363, 0, 40, /* desc */
0x77747074, 0, 20, /* wtpt */
0x626b7074, 0, 20, /* bkpt */
0x72545243, 0, 14, /* rTRC */
0x67545243, 0, 14, /* gTRC */
0x62545243, 0, 14, /* bTRC */
0x7258595a, 0, 20, /* rXYZ */
0x6758595a, 0, 20, /* gXYZ */
0x6258595a, 0, 20 }; /* bXYZ */
static const unsigned pwhite[] = { 0xf351, 0x10000, 0x116cc };
// 0x63757276 : curveType, 0 : reserved, 1 : entries (1=gamma, 0=identity), 0x1000000=1.0
unsigned pcurve[] = { 0x63757276, 0, 0, 0x1000000 };
// unsigned pcurve[] = { 0x63757276, 0, 1, 0x1000000 };
if (gamma) {
pcurve[2] = 1;
pcurve[3] = 0x1f00000;
}
// constructing profile header
unsigned* oprof = new unsigned [phead[0]/sizeof(unsigned)];
memset (oprof, 0, phead[0]);
memcpy (oprof, phead, sizeof(phead));
oprof[0] = 132 + 12*pbody[0];
// constructing tag directory (pointers inside the file), and types
// 0x74657874 : text
// 0x64657363 : description tag
for (int i=0; i < pbody[0]; i++) {
oprof[oprof[0]/4] = i ? (i > 1 ? 0x58595a20 : 0x64657363) : 0x74657874;
pbody[i*3+2] = oprof[0];
oprof[0] += (pbody[i*3+3] + 3) & -4;
}
memcpy (oprof+32, pbody, sizeof(pbody));
// wtpt
memcpy ((char *)oprof+pbody[8]+8, pwhite, sizeof(pwhite));
// r/g/b TRC
for (int i=4; i < 7; i++)
memcpy ((char *)oprof+pbody[i*3+2], pcurve, sizeof(pcurve));
// r/g/b XYZ
// pseudoinverse ((double (*)[3]) out_rgb[output_color-1], inverse, 3);
for (int i=0; i < 3; i++)
for (int j=0; j < 3; j++) {
oprof[pbody[j*3+23]/4+i+2] = matrix[j][i] * 0x10000 + 0.5;
// for (num = k=0; k < 3; k++)
// num += xyzd50_srgb[i][k] * inverse[j][k];
}
// convert to network byte order
for (int i=0; i < phead[0]/4; i++)
oprof[i] = htonl(oprof[i]);
// cprt
strcpy ((char *)oprof+pbody[2]+8, "--rawtherapee profile--");
// desc
oprof[pbody[5]/4+2] = name.size() + 1;
strcpy ((char *)oprof+pbody[5]+12, name.c_str());
cmsHPROFILE p = cmsOpenProfileFromMem (oprof, ntohl(oprof[0]));
delete [] oprof;
return p;
}
}