void DoStandardModeGUI()

in unity/Assets/PostProcessingV2/Editor/Effects/ColorGradingEditor.cs [239:346]
89 lines of code
12 McCabe index (conditional complexity)

        void DoStandardModeGUI(bool hdr)
        {
            if (!hdr)
            {
                PropertyField(m_LdrLut);

                var lut = (target as ColorGrading).ldrLut.value;
                CheckLutImportSettings(lut);
            }

            if (hdr)
            {
                EditorGUILayout.Space();
                EditorUtilities.DrawHeaderLabel("Tonemapping");
                PropertyField(m_Tonemapper);

                if (m_Tonemapper.value.intValue == (int)Tonemapper.Custom)
                {
                    DrawCustomToneCurve();
                    PropertyField(m_ToneCurveToeStrength);
                    PropertyField(m_ToneCurveToeLength);
                    PropertyField(m_ToneCurveShoulderStrength);
                    PropertyField(m_ToneCurveShoulderLength);
                    PropertyField(m_ToneCurveShoulderAngle);
                    PropertyField(m_ToneCurveGamma);
                }
            }

            EditorGUILayout.Space();
            EditorUtilities.DrawHeaderLabel("White Balance");

            PropertyField(m_Temperature);
            PropertyField(m_Tint);

            EditorGUILayout.Space();
            EditorUtilities.DrawHeaderLabel("Tone");

            if (hdr)
                PropertyField(m_PostExposure);

            PropertyField(m_ColorFilter);
            PropertyField(m_HueShift);
            PropertyField(m_Saturation);

            if (!hdr)
                PropertyField(m_Brightness);

            PropertyField(m_Contrast);

            EditorGUILayout.Space();
            int currentChannel = GlobalSettings.currentChannelMixer;

            using (new EditorGUILayout.HorizontalScope())
            {
                EditorGUILayout.PrefixLabel("Channel Mixer", GUIStyle.none, Styling.labelHeader);

                EditorGUI.BeginChangeCheck();
                {
                    using (new EditorGUILayout.HorizontalScope())
                    {
                        GUILayoutUtility.GetRect(9f, 18f, GUILayout.ExpandWidth(false)); // Dirty hack to do proper right column alignement
                        if (GUILayout.Toggle(currentChannel == 0, EditorUtilities.GetContent("Red|Red output channel."), EditorStyles.miniButtonLeft)) currentChannel = 0;
                        if (GUILayout.Toggle(currentChannel == 1, EditorUtilities.GetContent("Green|Green output channel."), EditorStyles.miniButtonMid)) currentChannel = 1;
                        if (GUILayout.Toggle(currentChannel == 2, EditorUtilities.GetContent("Blue|Blue output channel."), EditorStyles.miniButtonRight)) currentChannel = 2;
                    }
                }
                if (EditorGUI.EndChangeCheck())
                    GUI.FocusControl(null);
            }

            GlobalSettings.currentChannelMixer = currentChannel;

            if (currentChannel == 0)
            {
                PropertyField(m_MixerRedOutRedIn);
                PropertyField(m_MixerRedOutGreenIn);
                PropertyField(m_MixerRedOutBlueIn);
            }
            else if (currentChannel == 1)
            {
                PropertyField(m_MixerGreenOutRedIn);
                PropertyField(m_MixerGreenOutGreenIn);
                PropertyField(m_MixerGreenOutBlueIn);
            }
            else
            {
                PropertyField(m_MixerBlueOutRedIn);
                PropertyField(m_MixerBlueOutGreenIn);
                PropertyField(m_MixerBlueOutBlueIn);
            }

            EditorGUILayout.Space();
            EditorUtilities.DrawHeaderLabel("Trackballs");

            using (new EditorGUILayout.HorizontalScope())
            {
                PropertyField(m_Lift);
                GUILayout.Space(4f);
                PropertyField(m_Gamma);
                GUILayout.Space(4f);
                PropertyField(m_Gain);
            }

            EditorGUILayout.Space();
            EditorUtilities.DrawHeaderLabel("Grading Curves");

            DoCurvesGUI(hdr);
        }