qwt3d_surface.h

#ifndef QWT3D_SURFACE_H
#define QWT3D_SURFACE_H
 
#include "qwt3d_plotitem.h"
#include "qwt3d_types.h"
#include "qwt3d_color.h"
#include "qwt3d_enrichment.h"
 
#include <list>
 
struct SurfaceVertex;
 
class Qwt3DGridData;
class Qwt3DCellData;
 
class QWT3D_EXPORT Qwt3DSurface : public Qwt3DPlotItem
{
    QWT_DECLARE_PRIVATE(Qwt3DSurface)
 
public:
    Qwt3DSurface();
    ~Qwt3DSurface() override;
 
    // Data loading — grid data
 
    void loadFromData(Triple** data, unsigned int columns, unsigned int rows,
                      bool uperiodic = false, bool vperiodic = false);
    void loadFromData(double** data, unsigned int columns, unsigned int rows,
                      double minx, double maxx, double miny, double maxy);
    void loadFromData(const Qwt3DFunctionData& data);
    void loadFromData(const Qwt3DParametricData& data);
 
    // Data loading — cell data
 
    void loadFromData(TripleField const& nodes, CellField const& poly);
 
    // Resolution
 
    int resolution() const;
 
    // Floor style
 
    FLOORSTYLE floorStyle() const;
    void setFloorStyle(FLOORSTYLE style);
 
    // Normals
 
    bool normals() const;
    void showNormals(bool b);
    double normalLength() const;
    void setNormalLength(double val);
    int normalQuality() const;
    void setNormalQuality(int val);
 
    std::pair<int, int> facets() const;
 
    void updateNormals();
 
    // Style (moved from Plot3D)
 
    PLOTSTYLE plotStyle() const;
    void setPlotStyle(PLOTSTYLE style);
    void setDataColor(Qwt3DColor* color);
    const Qwt3DColor* dataColor() const;
    void invalidateColors();
    RGBA meshColor() const;
    void setMeshColor(RGBA color);
    double meshLineWidth() const;
    void setMeshLineWidth(double width);
    int isolines() const;
    void setIsolines(int n);
    bool smoothMesh() const;
    void setSmoothMesh(bool smooth);
    double polygonOffset() const;
    void setPolygonOffset(double offset);
 
    // Shading
    SHADINGSTYLE shading() const;
    void setShading(SHADINGSTYLE style);
 
    // Enrichments (moved from Plot3D)
 
    Qwt3DEnrichment* addEnrichment(Qwt3DEnrichment const& enrichment);
    bool degrade(Qwt3DEnrichment* enrichment);
 
    // Qwt3DPlotItem interface
 
    int rtti() const override;
    void draw() override;
    ParallelEpiped hull() const override;
    void populateLegendColors(ColorVector& colors) const override;
 
    // Data accessors (public for serialization support)
    Qwt3DGridData* gridData() const;
    Qwt3DCellData* cellData() const;
    bool isGridData() const;
    void setResolution(int res);
 
private:
    bool buildGeometry(QVector< SurfaceVertex >& vertices,
                       QVector< unsigned int >& triIndices,
                       QVector< unsigned int >& lineIndices);
 
    void drawForVectorExport();
 
    void buildVBO();
    void pushColorRange() const;
};
 
#endif // QWT3D_SURFACE_H