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removes an unused function

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This commit is contained in:
Ingo Weyrich 2020-09-15 13:48:47 +02:00
parent 7dcccc223c
commit a5a44ce9b2
2 changed files with 0 additions and 97 deletions
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96
rtengine/iccstore.cc
View File

@ -1151,102 +1151,6 @@ std::vector<Glib::ustring> rtengine::ICCStore::getWorkingProfiles()
return implementation->getWorkingProfiles();
}
// WARNING: the caller must lock lcmsMutex
cmsHPROFILE rtengine::ICCStore::makeStdGammaProfile(cmsHPROFILE iprof)
{
// forgive me for the messy code, quick hack to change gamma of an ICC profile to the RT standard gamma
if (!iprof) {
return nullptr;
}
cmsUInt32Number bytesNeeded = 0;
cmsSaveProfileToMem(iprof, nullptr, &bytesNeeded);
if (bytesNeeded == 0) {
return nullptr;
}
uint8_t *data = new uint8_t[bytesNeeded + 1];
cmsSaveProfileToMem(iprof, data, &bytesNeeded);
const uint8_t *p = &data[128]; // skip 128 byte header
uint32_t tag_count;
memcpy(&tag_count, p, 4);
p += 4;
tag_count = ntohl(tag_count);
struct icctag {
uint32_t sig;
uint32_t offset;
uint32_t size;
} tags[tag_count];
constexpr uint32_t gamma = 0x239;
constexpr int gamma_size = 14;
int data_size = (gamma_size + 3) & ~3;
for (uint32_t i = 0; i < tag_count; i++) {
memcpy(&tags[i], p, 12);
tags[i].sig = ntohl(tags[i].sig);
tags[i].offset = ntohl(tags[i].offset);
tags[i].size = ntohl(tags[i].size);
p += 12;
if (tags[i].sig != 0x62545243 && // bTRC
tags[i].sig != 0x67545243 && // gTRC
tags[i].sig != 0x72545243 && // rTRC
tags[i].sig != 0x6B545243) { // kTRC
data_size += (tags[i].size + 3) & ~3;
}
}
uint32_t sz = 128 + 4 + tag_count * 12 + data_size;
uint8_t *nd = new uint8_t[sz];
memset(nd, 0, sz);
memcpy(nd, data, 128 + 4);
sz = htonl(sz);
memcpy(nd, &sz, 4);
uint32_t offset = 128 + 4 + tag_count * 12;
uint32_t gamma_offset = 0;
for (uint32_t i = 0; i < tag_count; i++) {
struct icctag tag;
tag.sig = htonl(tags[i].sig);
if (tags[i].sig == 0x62545243 || // bTRC
tags[i].sig == 0x67545243 || // gTRC
tags[i].sig == 0x72545243 || // rTRC
tags[i].sig == 0x6B545243) { // kTRC
if (gamma_offset == 0) {
gamma_offset = offset;
uint32_t pcurve[] = { htonl(0x63757276), htonl(0), htonl(/*gamma_size == 12 ? 0U : */1U) };
memcpy(&nd[offset], pcurve, 12);
//if (gamma_size == 14) {
uint16_t gm = htons(gamma);
memcpy(&nd[offset + 12], &gm, 2);
//}
offset += (gamma_size + 3) & ~3;
}
tag.offset = htonl(gamma_offset);
tag.size = htonl(gamma_size);
} else {
tag.offset = htonl(offset);
tag.size = htonl(tags[i].size);
memcpy(&nd[offset], &data[tags[i].offset], tags[i].size);
offset += (tags[i].size + 3) & ~3;
}
memcpy(&nd[128 + 4 + i * 12], &tag, 12);
}
cmsHPROFILE oprof = cmsOpenProfileFromMem(nd, ntohl(sz));
delete [] nd;
delete [] data;
return oprof;
}
cmsHPROFILE rtengine::ICCStore::createFromMatrix(const double matrix[3][3], bool gamma, const Glib::ustring& name)
{

1
rtengine/iccstore.h
View File

@ -96,7 +96,6 @@ public:
/*static*/ std::vector<Glib::ustring> getWorkingProfiles();
static cmsHPROFILE makeStdGammaProfile(cmsHPROFILE iprof);
static cmsHPROFILE createFromMatrix(const double matrix[3][3], bool gamma = false, const Glib::ustring& name = Glib::ustring());
private: