Blend mixed slots in the machine-send and AMS-sync thumbnails

src/slic3r/GUI/SyncAmsInfoDialog.cpp

@@ -30,6 +30,7 @@
 #include "DeviceCore/DevManager.h"
 #include "DeviceCore/DevMapping.h"
 #include "DeviceCore/DevStorage.h"
+#include "FilamentBitmapUtils.hpp"
 
 using namespace Slic3r;
 using namespace Slic3r::GUI;
@@ -2943,6 +2944,20 @@ void SyncAmsInfoDialog::clone_thumbnail_data()
             iter++;
         }
     }
+
+    // Expand color arrays to cover mixed (virtual) slots and compute their blended colors
+    const auto& cfg = wxGetApp().preset_bundle->project_config;
+    size_t total = 0;
+    if (auto* opt = cfg.option<ConfigOptionBools>("filament_is_mixed"))
+        total = opt->values.size();
+    size_t target = std::max(total, m_cur_colors_in_thumbnail.size());
+    if (m_cur_colors_in_thumbnail.size() < target)
+        m_cur_colors_in_thumbnail.resize(target);
+    if (m_preview_colors_in_thumbnail.size() < target)
+        m_preview_colors_in_thumbnail.resize(target);
+    recompute_mixed_slot_colors(m_preview_colors_in_thumbnail, cfg);
+    recompute_mixed_slot_colors(m_cur_colors_in_thumbnail, cfg);
+
     // copy data
     auto &data = m_cur_input_thumbnail_data;
     m_preview_thumbnail_data.reset();
@@ -3131,6 +3146,10 @@ void SyncAmsInfoDialog::change_default_normal(int old_filament_id, wxColour temp
             return;
         }
     }
+    // Recompute mixed slot colors after physical slot color change
+    const auto& cfg = wxGetApp().preset_bundle->project_config;
+    recompute_mixed_slot_colors(m_cur_colors_in_thumbnail, cfg);
+
     ThumbnailData &data          = m_cur_input_thumbnail_data;
     ThumbnailData &no_light_data = m_cur_no_light_thumbnail_data;
     if (data.width > 0 && data.height > 0 && data.width == no_light_data.width && data.height == no_light_data.height) {