start of Tool Commentary

src/IntelliHelper/IntelliColorPicker.h

@@ -5,21 +5,59 @@
 #include"QPoint"
 #include"QColorDialog"
 
+/*!
+ * \brief The IntelliColorPicker manages the selected colors for one whole project.
+ */
 class IntelliColorPicker{
 public:
+    /*!
+     * \brief IntelliColorPicker construktor, setting 2 preset colors, be careful, theese color may change in production.
+     */
     IntelliColorPicker();
+
+    /*!
+     * \brief IntelliColorPicker destructor clears up his used memory, if there is some.
+     */
     virtual ~IntelliColorPicker();
 
+    /*!
+     * \brief A function switching primary and secondary color.
+     */
     void switchColors();
 
+    /*!
+     * \brief A function to read the primary selected color.
+     * \return Returns the primary color.
+     */
     QColor getFirstColor();
+
+    /*!
+     * \brief A function to read the secondary selected color.
+     * \return Returns the secondary color.
+     */
     QColor getSecondColor();
 
+    /*!
+     * \brief A function to set the primary color.
+     * \param Color - The color to be set as primary.
+     */
     void setFirstColor(QColor Color);
+
+    /*!
+     * \brief A function to set the secondary color.
+     * \param Color - The color to be set as secondary.
+     */
     void setSecondColor(QColor Color);
 
 private:
+    /*!
+     * \brief The primary color.
+     */
     QColor firstColor;
+
+    /*!
+     * \brief The secondary color.
+     */
     QColor secondColor;
 };
 

src/IntelliHelper/IntelliHelper.cpp

@@ -115,7 +115,7 @@ std::vector<Triangle> IntelliHelper::calculateTriangles(std::vector<QPoint> poly
 
 bool IntelliHelper::isInPolygon(std::vector<Triangle> &triangles, QPoint &point){
     for(auto triangle : triangles){
-        if(IntelliHelper::isInTriangle(triangle.A ,triangle.B, triangle.C, point)){
+        if(IntelliHelper::isInTriangle(triangle, point)){
             return true;
         }
     }

src/IntelliHelper/IntelliHelper.h

@@ -4,24 +4,40 @@
 #include<QPoint>
 #include<vector>
 
+/*!
+ * \brief The Triangle struct holds the 3 vertices of a triangle.
+ */
 struct Triangle{
     QPoint A,B,C;
 };
 
+
 namespace IntelliHelper {
 
-
+    /*!
+     * \brief A function to get the 2*area of a traingle, using its determinat.
+     * \param p1    - The Point to check its side.
+     * \param p2    - The first Point of the spanning Line
+     * \param p3    - The second Point of the spanning line.
+     * \return Returns the area of the traingle*2
+     */
     inline float sign(QPoint& p1, QPoint& p2, QPoint& p3){
         return (p1.x()-p3.x())*(p2.y()-p3.y())-(p2.x()-p3.x())*(p1.y()-p3.y());
     }
 
-    inline bool isInTriangle(QPoint& A, QPoint& B, QPoint& C, QPoint& P){
+    /*!
+     * \brief A function to check if a given point is in a triangle.
+     * \param tri   - The triangle to check, if it contains the point.
+     * \param P     - The point to check if it is in the triangle.
+     * \return Returns true if the point is in the triangle, false otheriwse
+     */
+    inline bool isInTriangle(Triangle& tri, QPoint& P){
         float val1, val2, val3;
         bool neg, pos;
 
-        val1 = IntelliHelper::sign(P,A,B);
-        val2 = IntelliHelper::sign(P,B,C);
-        val3 = IntelliHelper::sign(P,C,A);
+        val1 = IntelliHelper::sign(P,tri.A,tri.B);
+        val2 = IntelliHelper::sign(P,tri.B,tri.C);
+        val3 = IntelliHelper::sign(P,tri.C,tri.A);
 
         neg = (val1<0.f) || (val2<0.f) || (val3<0.f);
         pos = (val1>0.f) || (val2>0.f) || (val3>0.f);
@@ -29,8 +45,19 @@ namespace IntelliHelper {
         return !(neg && pos);
     }
 
+    /*!
+     * \brief A function to split a polygon in its spanning traingles by using Meisters Theorem of graph theory by clipping ears of a planar graph.
+     * \param polyPoints    - The Vertices of the polygon.
+     * \return Returns a Container of disjoint Triangles, which desribe the polygon area.
+     */
     std::vector<Triangle> calculateTriangles(std::vector<QPoint> polyPoints);
 
+    /*!
+     * \brief A function to check if a point lies in a polygon by checking its spanning triangles.
+     * \param triangles - The spanning triangles of the planar polygon.
+     * \param point     - The point to checl, if it lies in the polygon.
+     * \return Returns true if the point lies in the üpolygon, otherwise false.
+     */
     bool isInPolygon(std::vector<Triangle> &triangles, QPoint &point);
 
 }

src/Tool/IntelliTool.h

@@ -37,21 +37,73 @@ protected:
      */
     IntelliColorPicker* colorPicker;
 
+    /*!
+     * \brief A pointer to the underlying active Layer, do not work on this. This is used for data grabbing or previews.
+     */
     LayerObject* Active;
+
+    /*!
+     * \brief A pointer to the drawing canvas of the tool, work on this.
+     */
     LayerObject* Canvas;
+
+    /*!
+     * \brief A flag checking if the user is currently drawing or not.
+     */
     bool drawing = false;
 
 public:
+    /*!
+     * \brief A constructor setting the general Painting Area and colorPicker.
+     * \param Area          - The general PaintingArea used by the project.
+     * \param colorPicker   - The general colorPicker used by the project
+     */
     IntelliTool(PaintingArea* Area, IntelliColorPicker* colorPicker);
+
+    /*!
+     * \brief An abstract Destructor.
+     */
     virtual ~IntelliTool() = 0;
 
+    /*!
+     * \brief A function managing the right click Pressed of a Mouse. Constructing the Canvas to draw on. Call this in child classes!
+     * \param x - The x coordinate relative to the Active/Canvas Layer.
+     * \param y - The y coordinate relative to the Active/Canvas Layer.
+     */
     virtual void onMouseRightPressed(int x, int y);
+
+    /*!
+     * \brief A function managing the right click Released of a Mouse. Merging the Canvas to Active. Call this in child classes!
+     * \param x - The x coordinate relative to the Active/Canvas Layer.
+     * \param y - The y coordinate relative to the Active/Canvas Layer.
+     */
     virtual void onMouseRightReleased(int x, int y);
+
+    /*!
+     * \brief A function managing the left click Pressed of a Mouse. Resetting the current draw. Call this in child classes!
+     * \param x - The x coordinate relative to the Active/Canvas Layer.
+     * \param y - The y coordinate relative to the Active/Canvas Layer.
+     */
     virtual void onMouseLeftPressed(int x, int y);
+
+    /*!
+     * \brief A function managing the left click Released of a Mouse. Call this in child classes!
+     * \param x - The x coordinate relative to the Active/Canvas Layer.
+     * \param y - The y coordinate relative to the Active/Canvas Layer.
+     */
     virtual void onMouseLeftReleased(int x, int y);
 
+    /*!
+     * \brief A function managing the scroll event. A Positive Value means scrolling outwards. Call this in child classes!
+     * \param value - The absolute the scroll has changed.
+     */
     virtual void onWheelScrolled(int value);
 
+    /*!
+     * \brief A function managing the mouse moved event. Call this in child classes!
+     * \param x - The x coordinate of the new Mouse Position.
+     * \param y - The y coordinate of the new Mouse Position.
+     */
     virtual void onMouseMoved(int x, int y);