File indexing completed on 2024-04-14 04:16:23

 /********************************************************************
  KolorServer - color server based on the X Color Management Specification
  This file is part of the KDE project.
 
 Copyright (C) 2012 Casian Andrei <skeletk13@gmail.com>
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 
 1. Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
 2. Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.
 
 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *********************************************************************/
 
 #include <KDebug>
 
 #include "color-context.h"
 
 #include "display.h"
 
 #include <oyranos_devices.h>
 #include <oyConversion_s.h>
 
 namespace KolorServer
 {
 
 /*
  * Color Context
  */
 
 ColorContext::ColorContext()
     : m_srcProfile(NULL)
     , m_dstProfile(NULL)
 {
     buildDummyClut(m_clut);
     /* select profiles matching actual capabilities */
     icc_profile_flags = oyICCProfileSelectionFlagsFromOptions( OY_CMM_STD, "//" OY_TYPE_STD "/icc_color", NULL, 0 );
 }
 
 ColorContext::~ColorContext()
 {
     // Release profiles
     if (m_srcProfile)
         oyProfile_Release(&m_srcProfile);
     if (m_dstProfile)
         oyProfile_Release(&m_dstProfile);
 }
 
 oyProfile_s *ColorContext::sourceProfile()
 {
     return m_srcProfile;
 }
 
 oyProfile_s *ColorContext::destinationProfile()
 {
     return m_dstProfile;
 }
 
 void ColorContext::setDestinationProfile(oyProfile_s *profile)
 {
     oyProfile_Release(&m_dstProfile);
     m_dstProfile = profile;
 }
 
 const QString& ColorContext::outputName()
 {
     return m_outputName;
 }
 
 const Clut& ColorContext::colorLookupTable() const
 {
     return m_clut;
 }
 
 void ColorContext::setupColorLookupTable(bool advanced)
 {
     kDebug() << m_outputName;
 
     oyProfile_s *dummyProfile = 0;
     oyOptions_s *options = 0;
 
     if (!m_dstProfile)
         m_dstProfile = dummyProfile = oyProfile_FromStd(oyASSUMED_WEB, icc_profile_flags, 0);
 
     /* skip dummyProfile to dummyProfile conversion */
     if (!m_srcProfile && dummyProfile) {
         if (dummyProfile)
             oyProfile_Release(&dummyProfile);
         return;
     }
 
     if (!m_srcProfile) {
         m_srcProfile = oyProfile_FromStd(oyASSUMED_WEB, icc_profile_flags, 0);
         if (!m_srcProfile) {
             kError() << "Output" << m_outputName << ":" << "no assumed dummyProfile source profile";
             kWarning() << "Output" << m_outputName << "using dummy clut";
             buildDummyClut(m_clut);
             return;
         }
     }
 
     int error = 0;
     int flags = 0;
 
     // Optionally set advanced options from Oyranos
     if (advanced)
         flags = oyOPTIONATTRIBUTE_ADVANCED;
 
     // Allocate memory for clut data
     m_clut.resize(CLUT_ELEMENT_COUNT);
 
     kDebug() << "Color conversion for" << m_outputName << "flags" << flags << (advanced ? "advanced" : "");
     oyImage_s *imageIn = oyImage_Create(
         LUT_GRID_POINTS,
         LUT_GRID_POINTS * LUT_GRID_POINTS,
         m_clut.data(),
         OY_TYPE_123_16,
         m_srcProfile,
         0);
     oyImage_s *imageOut = oyImage_Create(
         LUT_GRID_POINTS,
         LUT_GRID_POINTS * LUT_GRID_POINTS,
         m_clut.data(),
         OY_TYPE_123_16,
         m_dstProfile,
         0);
 
     oyConversion_s *conversion = oyConversion_CreateBasicPixels(imageIn, imageOut, options, 0);
     if (!conversion) {
         kWarning() << "No conversion created for" << m_outputName;
         if (dummyProfile)
             oyProfile_Release(&dummyProfile);
         return;
     }
     oyOptions_Release(&options);
 
     error = oyOptions_SetFromText(&options, "//"OY_TYPE_STD"/config/display_mode", "1", OY_CREATE_NEW);
     if (error) {
         kWarning() << "Oy options error:" << error;
         if (dummyProfile)
             oyProfile_Release(&dummyProfile);
         return;
     }
     error = oyConversion_Correct(conversion, "//"OY_TYPE_STD"/icc_color", flags, options);
     if (error > 0) {
         kWarning() << "Failed to correct conversion for" << m_outputName << "flags" << flags;
         if (dummyProfile)
             oyProfile_Release(&dummyProfile);
         return;
     }
 
     oyFilterGraph_s *conversionGraph = oyConversion_GetGraph(conversion);
     oyFilterNode_s *iccNode = oyFilterGraph_GetNode(conversionGraph, -1, "///icc", 0);
 
     // See what to search for in the cache
     QByteArray entryText;
     const char *t = oyFilterNode_GetText(iccNode, oyNAME_NAME);
     if (t)
         entryText = t;
 
     oyStructList_s *cache = Display::getInstance()->cache();
     oyHash_s *entry = oyStructList_GetHash(cache, 0, entryText.constData());
     oyArray2d_s *oyClut = (oyArray2d_s*) oyHash_GetPointer(entry, oyOBJECT_ARRAY2D_S);
     char ** array2d = (char**)oyArray2d_GetData( oyClut );
 
     oyFilterNode_Release(&iccNode);
     oyFilterGraph_Release(&conversionGraph);
 
     if (oyClut) {
         // Found in cache
         kDebug() << "clut" << oyClut << "obtained from cache using entry" << entryText;
         memcpy(m_clut.data(), array2d[0], CLUT_DATA_SIZE);
     } else {
         kDebug() << "clut not found in cache using entry" << entryText << ", doing conversion";
 
         // Create dummy / identity clut data for conversion input
         buildDummyClut(m_clut);
 
         // Do conversion
         error = oyConversion_RunPixels(conversion, 0);
         if (error) {
             kWarning() << "Output" << m_outputName << "Error" << error << "in conversion run pixels";
             if (dummyProfile)
                 oyProfile_Release(&dummyProfile);
             return;
         }
 
         // Save to cache
         oyClut = oyArray2d_Create(
             NULL,
             LUT_GRID_POINTS * 3,
             LUT_GRID_POINTS * LUT_GRID_POINTS,
             oyUINT16,
             NULL);
         array2d = (char**)oyArray2d_GetData( oyClut );
         memcpy(array2d[0], m_clut.data(), CLUT_DATA_SIZE);
         oyHash_SetPointer(entry, (oyStruct_s*) oyClut);
     }
 
     oyOptions_Release(&options);
     oyImage_Release(&imageIn);
     oyImage_Release(&imageOut);
     oyConversion_Release(&conversion);
 
     if (!m_dstProfile)
         kDebug() << "Output" << m_outputName << "no profile";
 }
 
 void ColorContext::setup(const QString &name)
 {
     kDebug();
     if (!Display::getInstance()->colorDesktopActivated())
         return;
 
     m_srcProfile = oyProfile_FromStd(oyASSUMED_WEB, icc_profile_flags, 0);
     m_outputName = name;
     if (!m_srcProfile)
         kWarning() << "Output" << name << "no sRGB source profile";
 
     setupColorLookupTable(Display::getInstance()->isAdvancedIccDisplay());
 }
 
 bool ColorContext::getDeviceProfile(oyConfig_s *device)
 {
     kDebug() << device;
 
     oyProfile_Release(&m_dstProfile);
 
     oyOptions_s *options = 0;
     oyOptions_SetFromText(&options, "//"OY_TYPE_STD"/config/command", "list", OY_CREATE_NEW);
     oyOptions_SetFromText(&options,
         "//"OY_TYPE_STD"/config/icc_profile.x_color_region_target",
         "yes", OY_CREATE_NEW );
     int error = oyDeviceGetProfile(device, options, &m_dstProfile);
     oyOptions_Release(&options);
 
     if (m_dstProfile) {
         /* check that no sRGB is delivered */
         if (error) {
             oyProfile_s *dummyProfile = oyProfile_FromStd(oyASSUMED_WEB, icc_profile_flags, 0);
             if (oyProfile_Equal(dummyProfile, m_dstProfile)) {
                 kWarning() << "Output" << m_outputName << "ignoring fallback, error" << error;
                 oyProfile_Release(&m_dstProfile);
                 error = 1;
             } else
                 error = 0;
             oyProfile_Release(&dummyProfile);
         }
     } else {
         kWarning() << "Output" << m_outputName << ": no ICC profile found, error" << error;
         error = 1;
     }
 
     return error == 0;
 }
 
 } // KolorServer namespace