Index: libs/pigment/KoCompositeOp.h
===================================================================
--- libs/pigment/KoCompositeOp.h
+++ libs/pigment/KoCompositeOp.h
@@ -51,6 +51,7 @@
     static QString categoryHSV();
     static QString categoryMix();
     static QString categoryMisc();
+    static QString categoryQuadratic();
 
     struct KRITAPIGMENT_EXPORT ParameterInfo
     {
Index: libs/pigment/KoCompositeOp.cpp
===================================================================
--- libs/pigment/KoCompositeOp.cpp
+++ libs/pigment/KoCompositeOp.cpp
@@ -41,6 +41,7 @@
 QString KoCompositeOp::categoryHSV()        { return i18n("HSV");        }
 QString KoCompositeOp::categoryMix()        { return i18n("Mix");        }
 QString KoCompositeOp::categoryMisc()       { return i18n("Misc");       }
+QString KoCompositeOp::categoryQuadratic()       { return i18n("Quadratic");       }
 
 KoCompositeOp::ParameterInfo::ParameterInfo()
     : opacity(1.0f),
Index: libs/pigment/KoCompositeOpRegistry.h
===================================================================
--- libs/pigment/KoCompositeOpRegistry.h
+++ libs/pigment/KoCompositeOpRegistry.h
@@ -138,6 +138,12 @@
 const QString COMPOSITE_LIGHTER_COLOR = "lighter color";
 const QString COMPOSITE_UNDEF        = "undefined";
 
+const QString COMPOSITE_REFLECT   = "reflect";
+const QString COMPOSITE_GLOW      = "glow";
+const QString COMPOSITE_FREEZE    = "freeze";
+const QString COMPOSITE_HEAT      = "heat";
+
+
 
 class KRITAPIGMENT_EXPORT KoCompositeOpRegistry
 {
Index: libs/pigment/KoCompositeOpRegistry.cpp
===================================================================
--- libs/pigment/KoCompositeOpRegistry.cpp
+++ libs/pigment/KoCompositeOpRegistry.cpp
@@ -43,7 +43,8 @@
         << KoID("hsy"       , i18n("HSY"))
         << KoID("hsi"       , i18n("HSI"))
         << KoID("hsl"       , i18n("HSL"))
-        << KoID("hsv"       , i18n("HSV"));
+        << KoID("hsv"       , i18n("HSV"))
+        << KoID("quadratic" , i18n("Quadratic"));
 
     m_map.insert(m_categories[0], KoID(COMPOSITE_ADD             , i18n("Addition")));
     m_map.insert(m_categories[0], KoID(COMPOSITE_SUBTRACT        , i18n("Subtract")));
@@ -137,6 +138,11 @@
     m_map.insert(m_categories[9], KoID(COMPOSITE_INC_SATURATION_HSV, i18n("Increase Saturation HSV")));
     m_map.insert(m_categories[9], KoID(COMPOSITE_DEC_VALUE         , i18n("Decrease Value")));
     m_map.insert(m_categories[9], KoID(COMPOSITE_INC_VALUE         , i18n("Increase Value")));
+    
+    m_map.insert(m_categories[10], KoID(COMPOSITE_REFLECT          , i18n("Reflect")));
+    m_map.insert(m_categories[10], KoID(COMPOSITE_GLOW             , i18n("Glow")));
+    m_map.insert(m_categories[10], KoID(COMPOSITE_FREEZE           , i18n("Freeze")));
+    m_map.insert(m_categories[10], KoID(COMPOSITE_HEAT             , i18n("Heat")));
 }
 
 const KoCompositeOpRegistry& KoCompositeOpRegistry::instance()
Index: libs/pigment/compositeops/KoCompositeOpFunctions.h
===================================================================
--- libs/pigment/compositeops/KoCompositeOpFunctions.h
+++ libs/pigment/compositeops/KoCompositeOpFunctions.h
@@ -453,4 +453,58 @@
 template<class T>
 inline T cfLightenOnly(T src, T dst) { return qMax(src, dst); }
 
+template<class T>
+inline T cfGlow(T src, T dst) {
+    using namespace Arithmetic;
+        // see http://www.pegtop.net/delphi/articles/blendmodes/quadratic.htm for formulas of Quadratic Blending Modes like Glow, Reflect, Freeze, and Heat
+    
+    if(dst == unitValue<T>())
+        return unitValue<T>();
+    
+    return clamp<T>(div(mul(src, src), inv(dst)));
+}
+    
+template<class T>
+inline T cfReflect(T src, T dst) {
+    using namespace Arithmetic;
+    
+    if(dst == unitValue<T>())
+        return unitValue<T>();    
+    
+    return clamp<T>(cfGlow(dst,src)); 
+    
+}
+
+template<class T>
+inline T cfUQuad1(T src, T dst) {
+    using namespace Arithmetic;
+        // Helper Blender Mode for Heat, and Freeze - Reptorian
+    
+    if(dst == zeroValue<T>())
+        return zeroValue<T>();
+    
+    return clamp<T>(div(mul(inv(src), inv(src)),dst));
+}
+
+template<class T>
+inline T cfHeat(T src, T dst) {
+    using namespace Arithmetic;
+    
+    if(dst == zeroValue<T>())
+        return zeroValue<T>();
+    
+    return clamp<T>(inv(cfUQuad1(src,dst)));
+}
+
+template<class T>
+inline T cfFreeze(T src, T dst) {
+    using namespace Arithmetic;
+    
+    if(dst == zeroValue<T>())
+        return zeroValue<T>();
+    
+    return clamp<T>(cfHeat(dst,src)); 
+}
+
+
 #endif // KOCOMPOSITEOP_FUNCTIONS_H_
Index: libs/pigment/compositeops/KoCompositeOps.h
===================================================================
--- libs/pigment/compositeops/KoCompositeOps.h
+++ libs/pigment/compositeops/KoCompositeOps.h
@@ -153,6 +153,11 @@
          add<&cfExclusion<Arg>            >(cs, COMPOSITE_EXCLUSION            , i18n("Exclusion")            , KoCompositeOp::categoryNegative());
          add<&cfEquivalence<Arg>          >(cs, COMPOSITE_EQUIVALENCE          , i18n("Equivalence")          , KoCompositeOp::categoryNegative());
          add<&cfAdditiveSubtractive<Arg>  >(cs, COMPOSITE_ADDITIVE_SUBTRACTIVE , i18n("Additive-Subtractive") , KoCompositeOp::categoryNegative());
+         
+         add<&cfReflect<Arg>  >(cs, COMPOSITE_REFLECT                       , i18n("Reflect")              , KoCompositeOp::categoryQuadratic());
+         add<&cfGlow<Arg>  >(cs, COMPOSITE_GLOW                             , i18n("Glow")                 , KoCompositeOp::categoryQuadratic());
+         add<&cfFreeze<Arg>  >(cs, COMPOSITE_FREEZE                         , i18n("Freeze")               , KoCompositeOp::categoryQuadratic());
+         add<&cfHeat<Arg>  >(cs, COMPOSITE_HEAT                             , i18n("Heat")                 , KoCompositeOp::categoryQuadratic());
 
          cs->addCompositeOp(new KoCompositeOpDissolve<Traits>(cs, KoCompositeOp::categoryMisc()));
      }