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create/src/Gui/Utilities.h

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4.9 KiB
C++

/***************************************************************************
* Copyright (c) 2010 Werner Mayer <wmayer[at]users.sourceforge.net> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#ifndef GUI_UTILITIES_H
#define GUI_UTILITIES_H
#include <Base/ViewProj.h>
#include <Base/Converter.h>
#include <App/Material.h>
#include <vector>
#include <Inventor/SbColor.h>
#include <Inventor/SbVec2f.h>
#include <Inventor/SbViewVolume.h>
#include <Inventor/SbMatrix.h>
#include <Inventor/SbRotation.h>
class SbViewVolume;
class QAbstractItemView;
namespace Base {
// Specialization for SbVec3f
template <>
struct vec_traits<SbVec3f> {
typedef SbVec3f vec_type;
typedef float float_type;
vec_traits(const vec_type& v) : v(v){}
inline std::tuple<float_type,float_type,float_type> get() const {
return std::make_tuple(v[0], v[1], v[2]);
}
private:
const vec_type& v;
};
// Specialization for SbVec3d
template <>
struct vec_traits<SbVec3d> {
typedef SbVec3d vec_type;
typedef double float_type;
vec_traits(const vec_type& v) : v(v){}
inline std::tuple<float_type,float_type,float_type> get() const {
return std::make_tuple(v[0], v[1], v[2]);
}
private:
const vec_type& v;
};
// Specialization for SbRotation
template <>
struct vec_traits<SbRotation> {
typedef SbRotation vec_type;
typedef float float_type;
vec_traits(const vec_type& v) : v(v){}
inline std::tuple<float_type,float_type,float_type,float_type> get() const {
float_type q1,q2,q3,q4;
v.getValue(q1,q2,q3,q4);
return std::make_tuple(q1, q2, q3, q4);
}
private:
const vec_type& v;
};
// Specialization for SbColor
template <>
struct vec_traits<SbColor> {
typedef SbColor vec_type;
typedef float float_type;
vec_traits(const vec_type& v) : v(v){}
inline std::tuple<float_type,float_type,float_type> get() const {
return std::make_tuple(v[0], v[1], v[2]);
}
private:
const vec_type& v;
};
// Specialization for Color
template <>
struct vec_traits<App::Color> {
typedef App::Color vec_type;
typedef float float_type;
vec_traits(const vec_type& v) : v(v){}
inline std::tuple<float_type,float_type,float_type> get() const {
return std::make_tuple(v.r, v.g, v.b);
}
private:
const vec_type& v;
};
}
namespace App{ class DocumentObject; }
namespace Gui {
/**
*/
class GuiExport ViewVolumeProjection : public Base::ViewProjMethod
{
public:
ViewVolumeProjection (const SbViewVolume &vv);
virtual ~ViewVolumeProjection(){}
Base::Vector3f operator()(const Base::Vector3f &rclPt) const;
Base::Vector3d operator()(const Base::Vector3d &rclPt) const;
Base::Vector3f inverse (const Base::Vector3f &rclPt) const;
Base::Vector3d inverse (const Base::Vector3d &rclPt) const;
Base::Matrix4D getProjectionMatrix () const;
protected:
SbViewVolume viewVolume;
SbMatrix matrix;
SbMatrix invert;
};
class GuiExport Tessellator
{
public:
Tessellator(const std::vector<SbVec2f>&);
std::vector<int> tessellate() const;
private:
static void tessCB(void * v0, void * v1, void * v2, void * cbdata);
private:
std::vector<SbVec2f> polygon;
};
class GuiExport ItemViewSelection
{
public:
ItemViewSelection(QAbstractItemView* view);
void applyFrom(const std::vector<App::DocumentObject*> objs);
private:
QAbstractItemView* view;
class MatchName;
};
} // namespace Gui
#endif // GUI_UTILITIES_H