// PolyLine.h ... definition of CPolyLine class // // A polyline contains one or more contours, where each contour // is defined by a list of corners and side-styles // There may be multiple contours in a polyline. // The last contour may be open or closed, any others must be closed. // All of the corners and side-styles are concatenated into 2 arrays, // separated by setting the end_contour flag of the last corner of // each contour. // // When used for copper (or technical layers) areas, the first contour is the outer edge // of the area, subsequent ones are "holes" in the copper. #ifndef POLYLINE_H #define POLYLINE_H #include #include #include // inflection modes for DS_LINE and DS_LINE_VERTEX, used in math_for_graphics.cpp enum { IM_NONE = 0, IM_90_45, IM_45_90, IM_90 }; /** * Function ArmBoolEng * Initialise parameters used in kbool * @param aBooleng = pointer to the Bool_Engine to initialise * @param aConvertHoles = mode for holes when a boolean operation is made * true: holes are linked into outer contours by double overlapping segments * false: holes are not linked: in this mode contours are added clockwise * and polygons added counter clockwise are holes (default) */ void ArmBoolEng( Bool_Engine* aBooleng, bool aConvertHoles = false ); class CRect { public: int left, right, top, bottom; }; class CPoint { public: int x, y; public: CPoint( void ) { x = y = 0; }; CPoint( int i, int j ) { x = i; y = j; }; }; class CSegment { public: int xi, yi, xf, yf; CSegment() { }; CSegment( int x0, int y0, int x1, int y1 ) { xi = x0; yi = y0; xf = x1; yf = y1; } }; #include class CArc { public: enum { MAX_STEP = 50 * 25400 }; // max step is 20 mils enum { MIN_STEPS = 18 }; // min step is 5 degrees int style; int xi, yi, xf, yf; int n_steps; // number of straight-line segments in gpc_poly bool bFound; }; class CPolyPt { public: CPolyPt( int qx = 0, int qy = 0, bool qf = false, int aUtility = 0 ) { x = qx; y = qy; end_contour = qf; utility = aUtility; }; int x; int y; bool end_contour; int utility; bool operator == (const CPolyPt& cpt2 ) const { return (x == cpt2.x) && (y == cpt2.y) && (end_contour == cpt2.end_contour); } bool operator != (CPolyPt& cpt2 ) const { return (x != cpt2.x) || (y != cpt2.y) || (end_contour != cpt2.end_contour); } }; #include class CPolyLine { public: enum { STRAIGHT, ARC_CW, ARC_CCW }; // side styles enum { NO_HATCH, DIAGONAL_FULL, DIAGONAL_EDGE }; // hatch styles // constructors/destructor CPolyLine(); ~CPolyLine(); // functions for modifying polyline void Start( int layer, int x, int y, int hatch ); void AppendCorner( int x, int y, int style = STRAIGHT, bool bDraw = false ); void InsertCorner( int ic, int x, int y ); void DeleteCorner( int ic, bool bDraw = false ); void MoveCorner( int ic, int x, int y ); void Close( int style = STRAIGHT, bool bDraw = false ); void RemoveContour( int icont ); /** * Function Chamfer * returns a chamfered version of a polygon. * @param aDistance is the chamfering distance. * @return CPolyLine* - Pointer to new polygon. */ CPolyLine* Chamfer( unsigned int aDistance ); /** * Function Fillet * returns a filleted version of a polygon. * @param aRadius is the fillet radius. * @param aSegments is the number of segments / fillet. * @return CPolyLine* - Pointer to new polygon. */ CPolyLine* Fillet( unsigned int aRadius, unsigned int aSegments ); void RemoveAllContours( void ); // Remove or create hatch void UnHatch(); void Hatch(); // Transform functions void MoveOrigin( int x_off, int y_off ); // misc. functions CRect GetBounds(); CRect GetCornerBounds(); CRect GetCornerBounds( int icont ); void Copy( CPolyLine* src ); bool TestPointInside( int x, int y ); bool IsCutoutContour( int icont ); void AppendArc( int xi, int yi, int xf, int yf, int xc, int yc, int num ); // access functions int GetLayer() { return m_layer; } int GetNumCorners(); int GetNumSides(); int GetClosed(); int GetNumContours(); int GetContour( int ic ); int GetContourStart( int icont ); int GetContourEnd( int icont ); int GetContourSize( int icont ); int GetX( int ic ); int GetY( int ic ); int GetEndContour( int ic ); int GetUtility( int ic ) { return corner[ic].utility; }; void SetUtility( int ic, int utility ) { corner[ic].utility = utility; }; int GetSideStyle( int is ); int GetHatchStyle() { return m_HatchStyle; } void SetHatch( int hatch ) { m_HatchStyle = hatch; Hatch(); }; void SetX( int ic, int x ); void SetY( int ic, int y ); void SetEndContour( int ic, bool end_contour ); void SetSideStyle( int is, int style ); int RestoreArcs( std::vector * arc_array, std::vector * pa = NULL ); int NormalizeAreaOutlines( std::vector * pa = NULL, bool bRetainArcs = false ); // KBOOL functions /** * Function AddPolygonsToBoolEng * and edges contours to a kbool engine, preparing a boolean op between polygons * @param aStart_contour: starting contour number (-1 = all, 0 is the outlines of zone, > 1 = holes in zone * @param aEnd_contour: ending contour number (-1 = all after aStart_contour) * @param arc_array: arc connverted to poly (NULL if not exists) * @param aBooleng : pointer on a bool engine (handle a set of polygons) * @param aGroup : group to fill (aGroup = GROUP_A or GROUP_B) operations are made between GROUP_A and GROUP_B */ int AddPolygonsToBoolEng( Bool_Engine* aBooleng, GroupType aGroup, int aStart_contour = -1, int aEnd_contour = -1, std::vector * arc_array = NULL ); /** * Function MakeKboolPoly * fill a kbool engine with a closed polyline contour * approximates arcs with multiple straight-line segments * @param aStart_contour: starting contour number (-1 = all, 0 is the outlines of zone, > 1 = holes in zone * @param aEnd_contour: ending contour number (-1 = all after aStart_contour) * combining intersecting contours if possible * @param arc_array : return data on arcs in arc_array * @param aConvertHoles = mode for holes when a boolean operation is made * true: holes are linked into outer contours by double overlapping segments * false: holes are not linked: in this mode contours are added clockwise * and polygons added counter clockwise are holes (default) * @return error: 0 if Ok, 1 if error */ int MakeKboolPoly( int aStart_contour = -1, int aEnd_contour = -1, std::vector * arc_array = NULL, bool aConvertHoles = false); /** * Function NormalizeWithKbool * Use the Kbool Library to clip contours: if outlines are crossing, the self-crossing polygon * is converted to non self-crossing polygon by adding extra points at the crossing locations * and reordering corners * if more than one outside contour are found, extra CPolyLines will be created * because copper areas have only one outside contour * Therefore, if this results in new CPolyLines, return them as std::vector pa * @param aExtraPolyList: pointer on a std::vector to store extra CPolyLines * @param bRetainArcs == false, try to retain arcs in polys * @return number of external contours, or -1 if error */ int NormalizeWithKbool( std::vector * aExtraPolyList, bool bRetainArcs ); /** * Function GetKboolEngine * @return the current used Kbool Engine (after normalization using kbool) */ Bool_Engine* GetKboolEngine( ) { return m_Kbool_Poly_Engine; } /** * Function FreeKboolEngine * delete the current used Kbool Engine (free memory after normalization using kbool) */ void FreeKboolEngine( ) { delete m_Kbool_Poly_Engine; m_Kbool_Poly_Engine = NULL; } // Bezier Support void AppendBezier(int x1, int y1, int x2, int y2, int x3, int y3); void AppendBezier(int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4); private: int m_layer; // layer to draw on int m_Width; // lines width when drawing. Provided but not really used int utility; Bool_Engine* m_Kbool_Poly_Engine; // polygons set in kbool engine data public: std::vector corner; // array of points for corners std::vector side_style; // array of styles for sides int m_HatchStyle; // hatch style, see enum above std::vector m_HatchLines; // hatch lines }; #endif // #ifndef POLYLINE_H