/usr/include/qwtplot3d/qwt3d_types.h is in libqwtplot3d-qt5-dev 0.2.7+svn191-10.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#pragma warning ( disable : 4786 )
#endif
#ifndef __DATATYPES_H__
#define __DATATYPES_H__
#ifdef _DEBUG
#include <fstream>
#endif
#include <string>
#include "qwt3d_global.h"
#if defined(Q_WS_WIN)
#include <windows.h>
#endif
#ifndef WHEEL_DELTA
#define WHEEL_DELTA 120
#endif
#include "qwt3d_portability.h"
#include "qwt3d_helper.h"
#include "qwt3d_openglhelper.h"
//! Common namespace for all QwtPlot3D classes
namespace Qwt3D
{
const double PI = 3.14159265358979323846264338328;
//! Plotting style
enum PLOTSTYLE
{
NOPLOT , //!< No visible data
WIREFRAME , //!< Wireframe style
HIDDENLINE , //!< Hidden Line style
FILLED , //!< Color filled polygons w/o edges
FILLEDMESH , //!< Color filled polygons w/ separately colored edges
POINTS , //!< User defined style (used by Enrichments)
USER //!< User defined style (used by Enrichments)
};
//! Shading style
enum SHADINGSTYLE
{
FLAT, //!< Flat shading (OpenGL)
GOURAUD //!< Gouraud Shading (OpenGL)
};
//! Style of Coordinate system
enum COORDSTYLE
{
NOCOORD, //!< Coordinate system is not visible
BOX, //!< Boxed
FRAME //!< Frame - 3 visible axes
};
//! Different types of axis scales
enum SCALETYPE
{
LINEARSCALE,//!< Linear scaling
LOG10SCALE, //!< Logarithmic scaling (base 10)
USERSCALE //!< User-defined (for extensions)
};
//! Plotting style for floor data (projections)
enum FLOORSTYLE
{
NOFLOOR, //!< Empty floor
FLOORISO, //!< Isoline projections visible
FLOORDATA //!< Projected polygons visible
};
//! Mesh type
enum DATATYPE
{
GRID, //!< Rectangular grid
POLYGON //!< Convex polygon
};
//! The 12 axes
/**
\image html axes.png
*/
enum AXIS
{
X1 = 0, //!< 1st x-axis
X2 = 3, //!< 2nd x-axis
X3 = 4, //!< 3th x-axis
X4 = 5, //!< 4th x-axis
Y1 = 1, //!< 1st y-axis
Y2 = 8, //!< 2nd y-axis
Y3 = 7, //!< 3th y-axis
Y4 = 6, //!< 4th y-axis
Z1 = 2, //!< 1st z-axis
Z2 = 9, //!< 2nd z-axis
Z3 = 11, //!< 3th z-axis
Z4 = 10 //!< 4th z-axis
};
//! The 6 sides
enum SIDE
{
NOSIDEGRID = 0,
LEFT = 1 << 0,
RIGHT = 1 << 1,
CEIL = 1 << 2,
FLOOR = 1 << 3,
FRONT = 1 << 4,
BACK = 1 << 5
};
//! Possible anchor points for drawing operations
enum ANCHOR
{
BottomLeft,
BottomRight,
BottomCenter,
TopLeft,
TopRight,
TopCenter,
CenterLeft,
CenterRight,
Center
};
//! Tuple <tt>[x,y]</tt>
struct QWT3D_EXPORT Tuple
{
Tuple() : x(0), y(0) {} //!< Calls Tuple(0,0)
Tuple(double X, double Y) : x(X), y(Y) {} //!< Initialize Tuple with x and y
//! Tuple coordinates
double x,y;
};
//! Triple <tt>[x,y,z]</tt>
/**
Consider Triples also as vectors in R^3
*/
struct QWT3D_EXPORT Triple
{
//! Initialize Triple with x,y and z
explicit Triple(double xv = 0,double yv = 0,double zv = 0)
: x(xv), y(yv), z(zv)
{
}
#ifndef QWT3D_NOT_FOR_DOXYGEN
#ifdef Q_OS_IRIX
Triple(const Triple& val)
{
if (&val == this)
return;
x = val.x;
y = val.y;
z = val.z;
}
const Triple& operator=(const Triple& val)
{
if (&val == this)
return *this;
x = val.x;
y = val.y;
z = val.z;
return *this;
}
#endif
#endif // QWT3D_NOT_FOR_DOXYGEN
//! Triple coordinates
double x,y,z;
Triple& operator+=(Triple t)
{
x += t.x;
y += t.y;
z += t.z;
return *this;
}
Triple& operator-=(Triple t)
{
x -= t.x;
y -= t.y;
z -= t.z;
return *this;
}
Triple& operator*=(double d)
{
x *= d;
y *= d;
z *= d;
return *this;
}
Triple& operator/=(double d)
{
x /= d;
y /= d;
z /= d;
return *this;
}
Triple& operator*=(Triple t) // scale
{
x *= t.x;
y *= t.y;
z *= t.z;
return *this;
}
bool operator!=(Triple t) const
{
return !isPracticallyZero(x,t.x) || !isPracticallyZero(y,t.y) || !isPracticallyZero(z,t.z);
}
bool operator==(Triple t) const
{
return !operator!=(t);
}
double length() const
{
double l2 = x*x + y*y + z*z;
return (isPracticallyZero(l2)) ? 0 :sqrt(l2);
}
void normalize()
{
double l = length();
if (l)
*this /= l;
}
};
inline const Triple operator+(const Triple& t, const Triple& t2)
{
return Triple(t) += t2;
}
inline const Triple operator-(const Triple& t, const Triple& t2)
{
return Triple(t) -= t2;
}
inline const Triple operator*(double d, const Triple& t)
{
return Triple(t) *= d;
}
inline const Triple operator*(const Triple& t, double d)
{
return Triple(t) *= d;
}
inline const Triple operator/(double d, const Triple& t)
{
return Triple(t) /= d;
}
inline const Triple operator/(const Triple& t, double d)
{
return Triple(t) /= d;
}
inline const Triple operator*(const Triple& t, const Triple& t2)
{
return Triple(t) *= t2;
}
//! Parallelepiped spanned by 2 Triples
/**
Please use \em normalized Parallelepipeds:\n\n
minVertex.x <= maxVertex.x\n
minVertex.y <= maxVertex.y\n
minVertex.z <= maxVertex.z\n
*/
struct QWT3D_EXPORT ParallelEpiped
{
//! Construct non-initialized Parallelepiped
ParallelEpiped()
{
}
//! Construct initialized Parallelepiped
/**
minv -> minVertex\n
maxv -> maxVertex\n
*/
ParallelEpiped(Triple minv, Triple maxv)
: minVertex(minv), maxVertex(maxv)
{
}
Triple minVertex;
Triple maxVertex;
};
//! Free vector
/**
FreeVectors represent objects like normal vectors and other vector fields inside R^3
*/
struct QWT3D_EXPORT FreeVector
{
FreeVector()
{
}
//! Construct initialized vector
/**
b -> base\n
e -> top\n
*/
FreeVector(Triple b, Triple t)
: base(b), top(t)
{
}
Triple base;
Triple top;
};
//! A free vector field in R^3
typedef std::vector<FreeVector> FreeVectorField;
//! A point field in R^3
typedef std::vector<Triple> TripleField;
//! Holds indices in a TripleField interpreted as counterclockwise node numbering for a convex polygon
typedef std::vector<unsigned> Cell;
//! Vector of convex polygons. You need a TripleField as base for the node data
typedef std::vector<Cell> CellField;
//! Returns the sum over the sizes of the single cells
unsigned tesselationSize(Qwt3D::CellField const& t);
//! Red-Green-Blue-Alpha value
struct QWT3D_EXPORT RGBA
{
RGBA()
: r(0), g(0), b(0), a(1)
{}
RGBA(double rr, double gg, double bb, double aa = 1)
: r(rr), g(gg), b(bb), a(aa)
{}
double r,g,b,a;
};
//! A Color field
typedef std::vector<RGBA> ColorVector;
#ifndef QWT3D_NOT_FOR_DOXYGEN
QWT3D_EXPORT QColor GL2Qt(GLdouble r, GLdouble g, GLdouble b); //!< RGB -> QColor
QWT3D_EXPORT Qwt3D::RGBA Qt2GL(QColor col); //!< QColor -> RGBA
typedef double *Vertex;
typedef std::vector<Vertex> DataRow;
typedef std::vector<DataRow> DataMatrix;
class Data
{
public:
Qwt3D::DATATYPE datatype;
Data() {datatype= Qwt3D::POLYGON;}
virtual ~Data() {}
virtual void clear() = 0; //!< destroy content
virtual bool empty() const = 0; //!< no data
void setHull(Qwt3D::ParallelEpiped const& h) {hull_p = h;}
Qwt3D::ParallelEpiped const& hull() const {return hull_p;}
protected:
Qwt3D::ParallelEpiped hull_p;
};
//! Implements a matrix of z-Values with limit access functions
class GridData : public Data
{
public:
GridData();
GridData(unsigned int columns, unsigned int rows);//!< see setSize()
~GridData() { clear();}
int columns() const;
int rows() const;
void clear(); //!< destroy content
bool empty() const { return vertices.empty();}
void setSize(unsigned int columns, unsigned int rows); //!< destroys content and set new size, elements are uninitialized
DataMatrix vertices; //!< mesh vertices
DataMatrix normals; //!< mesh normals
void setPeriodic(bool u, bool v) {uperiodic_ = u; vperiodic_ = v;}
bool uperiodic() const {return uperiodic_;}
bool vperiodic() const {return vperiodic_;}
private:
bool uperiodic_, vperiodic_;
};
//! Implements a graph-like cell structure with limit access functions
class CellData : public Data
{
public:
CellData() {datatype=Qwt3D::POLYGON;}
~CellData() { clear();}
void clear(); //!< destroy content
bool empty() const { return cells.empty();}
Triple const& operator()(unsigned cellnumber, unsigned vertexnumber);
CellField cells; //!< polygon/cell mesh
TripleField nodes;
TripleField normals; //!< mesh normals
};
inline Triple normalizedcross(Triple const& u, Triple const& v)
{
Triple n;
/* compute the cross product (u x v for right-handed [ccw]) */
n.x = u.y * v.z - u.z * v.y;
n.y = u.z * v.x - u.x * v.z;
n.z = u.x * v.y - u.y * v.x;
/* normalize */
double l = n.length();
if (l)
{
n /= l;
}
else
{
n = Triple(0,0,0);
}
return n;
}
inline double dotProduct(Triple const& u, Triple const& v)
{
return u.x*v.x + u.y*v.y + u.z*v.z;
}
void convexhull2d( std::vector<unsigned>& idx, const std::vector<Qwt3D::Tuple>& src );
#endif // QWT3D_NOT_FOR_DOXYGEN
} // ns
#endif
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