// The main sink
int main(int argc, char *argv[])
{
cmsUInt16Number Output[cmsMAXCHANNELS];
cmsFloat64Number OutputFloat[cmsMAXCHANNELS];
cmsFloat64Number InputFloat[cmsMAXCHANNELS];
int nPatch = 0;
fprintf(stderr, "LittleCMS ColorSpace conversion calculator - 4.3 [LittleCMS %2.2f]\n", LCMS_VERSION / 1000.0);
InitUtils("transicc");
Verbose = 1;
if (argc == 1) {
Help();
return 0;
}
HandleSwitches(argc, argv);
// Open profiles, create transforms
if (!OpenTransforms()) return 1;
// Open CGATS input if specified
OpenCGATSFiles(argc, argv);
// Main loop: read all values and convert them
for(;;) {
if (hIT8in != NULL) {
if (nPatch >= nMaxPatches) break;
TakeCGATSValues(nPatch++, InputFloat);
} else {
if (feof(stdin)) break;
TakeFloatValues(InputFloat);
}
if (lIsFloat)
cmsDoTransform(hTrans, InputFloat, OutputFloat, 1);
else
cmsDoTransform(hTrans, InputFloat, Output, 1);
if (hIT8out != NULL) {
PutCGATSValues(OutputFloat);
}
else {
if (lIsFloat) {
PrintFloatResults(OutputFloat); PrintPCSFloat(InputFloat);
}
else {
PrintEncodedResults(Output); PrintPCSEncoded(InputFloat);
}
}
}
// Cleanup
CloseTransforms();
if (hIT8in)
cmsIT8Free(hIT8in);
if (hIT8out) {
cmsIT8SaveToFile(hIT8out, CGATSoutFilename);
cmsIT8Free(hIT8out);
}
// All is ok
return 0;
}
int parse_it8(const char *filename, chart_t *chart)
{
int result = 1;
cmsHANDLE hIT8 = cmsIT8LoadFromFile(NULL, filename);
if(!hIT8)
{
fprintf(stderr, "error loading IT8 file `%s'\n", filename);
goto error;
}
if(cmsIT8TableCount(hIT8) != 1)
{
fprintf(stderr, "error with the IT8 file, we only support files with one table at the moment\n");
goto error;
}
dt_colorspaces_color_profile_type_t color_space = DT_COLORSPACE_NONE;
int column_SAMPLE_ID = -1, column_X = -1, column_Y = -1, column_Z = -1, column_L = -1, column_a = -1,
column_b = -1;
char **sample_names = NULL;
int n_columns = cmsIT8EnumDataFormat(hIT8, &sample_names);
if(n_columns == -1)
{
fprintf(stderr, "error with the IT8 file, can't get column types\n");
goto error;
}
for(int i = 0; i < n_columns; i++)
{
if(!g_strcmp0(sample_names[i], "SAMPLE_ID"))
column_SAMPLE_ID = i;
else if(!g_strcmp0(sample_names[i], "XYZ_X"))
column_X = i;
else if(!g_strcmp0(sample_names[i], "XYZ_Y"))
column_Y = i;
else if(!g_strcmp0(sample_names[i], "XYZ_Z"))
column_Z = i;
else if(!g_strcmp0(sample_names[i], "LAB_L"))
column_L = i;
else if(!g_strcmp0(sample_names[i], "LAB_A"))
column_a = i;
else if(!g_strcmp0(sample_names[i], "LAB_B"))
column_b = i;
}
if(column_SAMPLE_ID == -1)
{
fprintf(stderr, "error with the IT8 file, can't find the SAMPLE_ID column\n");
goto error;
}
char *columns[3] = { 0 };
if(column_X != -1 && column_Y != -1 && column_Z != -1)
{
color_space = DT_COLORSPACE_XYZ;
columns[0] = "XYZ_X";
columns[1] = "XYZ_Y";
columns[2] = "XYZ_Z";
}
else if(column_L != -1 && column_a != -1 && column_b != -1)
{
color_space = DT_COLORSPACE_LAB;
columns[0] = "LAB_L";
columns[1] = "LAB_A";
columns[2] = "LAB_B";
}
else
{
fprintf(stderr, "error with the IT8 file, can't find XYZ or Lab columns\n");
goto error;
}
GHashTableIter table_iter;
gpointer key, value;
g_hash_table_iter_init(&table_iter, chart->box_table);
while(g_hash_table_iter_next(&table_iter, &key, &value))
{
box_t *box = (box_t *)value;
if(cmsIT8GetData(hIT8, key, "SAMPLE_ID") == NULL)
{
fprintf(stderr, "error with the IT8 file, can't find sample `%s'\n", (char *)key);
goto error;
}
set_color(box, color_space, cmsIT8GetDataDbl(hIT8, key, columns[0]), cmsIT8GetDataDbl(hIT8, key, columns[1]),
cmsIT8GetDataDbl(hIT8, key, columns[2]));
}
fprintf(stderr, "it8 `%s' done\n", filename);
goto end;
error:
result = 0;
end:
if(hIT8) cmsIT8Free(hIT8);
return result;
}
