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src/libslic3r/CustomGCode.hpp

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+#ifndef slic3r_CustomGCode_hpp_
+#define slic3r_CustomGCode_hpp_
+
+#include <string>
+#include <vector>
+#include <nlohmann/json.hpp>
+
+namespace Slic3r {
+
+class DynamicPrintConfig;
+
+namespace CustomGCode {
+
+enum Type
+{
+    ColorChange,
+    PausePrint,
+    ToolChange,
+    Template,
+    Custom,
+    Unknown,
+};
+
+struct Item
+{
+    bool operator<(const Item& rhs) const { return this->print_z < rhs.print_z; }
+    bool operator==(const Item& rhs) const
+    {
+        return (rhs.print_z   == this->print_z    ) &&
+               (rhs.type      == this->type       ) &&
+               (rhs.extruder  == this->extruder   ) &&
+               (rhs.color     == this->color      ) &&
+               (rhs.extra     == this->extra      );
+    }
+    bool operator!=(const Item& rhs) const { return ! (*this == rhs); }
+    
+    double      print_z;
+    Type        type;
+    int         extruder;   // Informative value for ColorChangeCode and ToolChangeCode
+                            // "gcode" == ColorChangeCode   => M600 will be applied for "extruder" extruder
+                            // "gcode" == ToolChangeCode    => for whole print tool will be switched to "extruder" extruder
+    std::string color;      // if gcode is equal to PausePrintCode, 
+                            // this field is used for save a short message shown on Printer display 
+    std::string extra;      // this field is used for the extra data like :
+                            // - G-code text for the Type::Custom 
+                            // - message text for the Type::PausePrint
+    void from_json(const nlohmann::json& j) {
+        std::string type_str;
+        j.at("type").get_to(type_str);
+        std::map<std::string,Type> str2type = { {"ColorChange", ColorChange },
+            {"PausePrint",PausePrint},
+            {"ToolChange",ToolChange},
+            {"Template",Template},
+            {"Custom",Custom},
+            {"Unknown",Unknown} };
+        type = Unknown;
+        if (str2type.find(type_str) != str2type.end())
+            type = str2type[type_str];
+        j.at("print_z").get_to(print_z);
+        j.at("color").get_to(color);
+        j.at("extruder").get_to(extruder);
+        if(j.contains("extra"))
+            j.at("extra").get_to(extra);
+    }
+};
+
+enum Mode
+{
+    Undef,
+    SingleExtruder,   // Single extruder printer preset is selected
+    MultiAsSingle,    // Multiple extruder printer preset is selected, but 
+                      // this mode works just for Single extruder print 
+                      // (The same extruder is assigned to all ModelObjects and ModelVolumes).
+    MultiExtruder     // Multiple extruder printer preset is selected
+};
+
+// string anlogue of custom_code_per_height mode
+static constexpr char SingleExtruderMode[] = "SingleExtruder";
+static constexpr char MultiAsSingleMode [] = "MultiAsSingle";
+static constexpr char MultiExtruderMode [] = "MultiExtruder";
+
+struct Info
+{
+    Mode mode = Undef;
+    std::vector<Item> gcodes;
+
+    bool operator==(const Info& rhs) const
+    {
+        return  (rhs.mode   == this->mode   ) &&
+                (rhs.gcodes == this->gcodes );
+    }
+    bool operator!=(const Info& rhs) const { return !(*this == rhs); }
+
+    void from_json(const nlohmann::json& j) {
+        std::string mode_str;
+        if (j.contains("mode"))
+            j.at("mode").get_to(mode_str);
+        if (mode_str == "SingleExtruder") mode = SingleExtruder;
+        else if (mode_str == "MultiAsSingle") mode = MultiAsSingle;
+        else if (mode_str == "MultiExtruder") mode = MultiExtruder;
+        else mode = Undef;
+
+        auto j_gcodes = j.at("gcodes");
+        gcodes.reserve(j_gcodes.size());
+        for (auto& jj : j_gcodes) {
+            Item item;
+            item.from_json(jj);
+            gcodes.push_back(item);
+        }
+    }
+};
+
+// If loaded configuration has a "colorprint_heights" option (if it was imported from older Slicer), 
+// and if CustomGCode::Info.gcodes is empty (there is no color print data available in a new format
+// then CustomGCode::Info.gcodes should be updated considering this option.
+//QDS
+//extern void update_custom_gcode_per_print_z_from_config(Info& info, DynamicPrintConfig* config);
+
+// If information for custom Gcode per print Z was imported from older Slicer, mode will be undefined.
+// So, we should set CustomGCode::Info.mode should be updated considering code values from items.
+extern void check_mode_for_custom_gcode_per_print_z(Info& info);
+
+// Return pairs of <print_z, 1-based extruder ID> sorted by increasing print_z from custom_gcode_per_print_z.
+// print_z corresponds to the first layer printed with the new extruder.
+std::vector<std::pair<double, unsigned int>> custom_tool_changes(const Info& custom_gcode_per_print_z, size_t num_extruders);
+
+} // namespace CustomGCode
+
+} // namespace Slic3r
+
+
+
+#endif /* slic3r_CustomGCode_hpp_ */