From a5a44ce9b2a3702dd8b0b52401dfd9b0d85ff93c Mon Sep 17 00:00:00 2001
From: Ingo Weyrich <heckflosse67@gmx.de>
Date: Tue, 15 Sep 2020 13:48:47 +0200
Subject: [PATCH] removes an unused function

---
 rtengine/iccstore.cc | 96 --------------------------------------------
 rtengine/iccstore.h  |  1 -
 2 files changed, 97 deletions(-)

diff --git a/rtengine/iccstore.cc b/rtengine/iccstore.cc
index f53ddc893..2f443522c 100644
--- a/rtengine/iccstore.cc
+++ b/rtengine/iccstore.cc
@@ -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)
 {
 
diff --git a/rtengine/iccstore.h b/rtengine/iccstore.h
index 117124122..fb2331263 100644
--- a/rtengine/iccstore.h
+++ b/rtengine/iccstore.h
@@ -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: