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create/src/Mod/TechDraw/App/HatchLine.h

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6.0 KiB
C++

/***************************************************************************
* Copyright (c) 2017 WandererFan <wandererfan@gmail.com> *
* *
* 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 *
* *
***************************************************************************/
//! HatchLine - Classes related to processing PAT files
#ifndef _TechDraw_HATCHLINE_H_
#define _TechDraw_HATCHLINE_H_
#include <vector>
#include <string>
#include <TopoDS_Edge.hxx>
#include <Bnd_Box.hxx>
#include <Base/Vector3D.h>
//class TopoDS_Edge;
//class Bnd_Box;
namespace TechDraw
{
class BaseGeom;
}
namespace TechDraw
{
class DrawViewPart;
class DrawUtil;
//DashSpec is the parsed portion of a PATLineSpec related to mark/space/dot
class TechDrawExport DashSpec
{
public:
DashSpec() {}
DashSpec(std::vector<double> p) { m_parms = p; }
~DashSpec() {}
double get(int i) {return m_parms.at(i); }
std::vector<double> get(void) {return m_parms;}
bool empty(void) {return m_parms.empty();}
int size(void) {return m_parms.size();}
double length(void);
void dump(const char* title);
DashSpec reversed(void);
private:
std::vector<double> m_parms;
};
//! PATLineSpec is the result of parsing a singleline from PAT file into accessible parameters
class TechDrawExport PATLineSpec
{
public:
PATLineSpec();
PATLineSpec(std::string& lineSpec);
~PATLineSpec();
void load(std::string& lineSpec);
double getAngle(void) {return m_angle;}
Base::Vector3d getOrigin(void) {return m_origin;}
double getInterval(void) {return m_interval;}
double getIntervalX(void);
double getIntervalY(void);
double getOffset(void) {return m_offset;}
double getSlope(void);
double getLength(void) {return m_dashParms.length(); }
DashSpec getDashParms(void) {return m_dashParms;}
static std::vector<PATLineSpec> getSpecsForPattern(std::string& parmFile, std::string& parmName);
static bool findPatternStart(std::ifstream& inFile, std::string& parmName);
static std::vector<std::string> loadPatternDef(std::ifstream& inFile);
static std::vector<std::string> getPatternList(std::string& parmFile);
bool isDashed(void);
void dump(const char* title);
private:
void init(void);
std::vector<double> split(std::string line);
//PAT line extracted tokens
double m_angle;
Base::Vector3d m_origin;
double m_interval;
double m_offset;
DashSpec m_dashParms;
};
//! a LineSet is all the generated edges for 1 PATLineSpec for 1 Face
class TechDrawExport LineSet
{
public:
LineSet() {}
~LineSet() {}
void setPATLineSpec(const PATLineSpec& s) { m_hatchLine = s; }
void setEdges(std::vector<TopoDS_Edge> e) {m_edges = e;}
void setGeoms(std::vector<TechDraw::BaseGeom*> g) {m_geoms = g;}
void setBBox(const Bnd_Box& bb) {m_box = bb;}
std::vector<TopoDS_Edge> getEdges(void) { return m_edges; }
TopoDS_Edge getEdge(int i) {return m_edges.at(i);}
std::vector<TechDraw::BaseGeom*> getGeoms(void) { return m_geoms; }
PATLineSpec getPATLineSpec(void) { return m_hatchLine; }
double getOffset(void) { return m_hatchLine.getOffset(); } //delta X offset
double getAngle(void) { return m_hatchLine.getAngle(); }
Base::Vector3d getOrigin(void) { return m_hatchLine.getOrigin(); }
double getInterval(void) {return m_hatchLine.getInterval(); } //space between lines
double getIntervalX(void) { return m_hatchLine.getIntervalX(); } //interval X-component
double getIntervalY(void) { return m_hatchLine.getIntervalY(); } //interval Y-component
double getSlope(void) { return m_hatchLine.getSlope(); }
double getPatternLength(void) { return m_hatchLine.getLength(); }
Base::Vector3d getUnitDir(void);
Base::Vector3d getUnitOrtho(void);
DashSpec getDashSpec(void) { return m_hatchLine.getDashParms();}
Base::Vector3d calcApparentStart(TechDraw::BaseGeom* g);
Base::Vector3d findAtomStart(void);
Base::Vector3d getLineOrigin(void); //point corresponding to pattern origin for this line (O + n*intervalX)
Base::Vector3d getPatternStartPoint(TechDraw::BaseGeom* g, double &offset, double scale = 1.0);
Bnd_Box getBBox(void) {return m_box;}
double getMinX(void);
double getMaxX(void);
double getMinY(void);
double getMaxY(void);
bool isDashed(void);
private:
std::vector<TopoDS_Edge> m_edges;
std::vector<TechDraw::BaseGeom*> m_geoms;
PATLineSpec m_hatchLine;
Bnd_Box m_box;
};
} //end namespace
#endif