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iriclib_polygon.cpp
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iriclib_polygon.cpp
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#include <fstream>
#include "iriclib_polygon.h"
#include "iriclib_bstream.h"
using namespace std;
using namespace iRICLib;
InternalPolygon::InternalPolygon()
{
x = 0;
y = 0;
pointCount = 0;
}
InternalPolygon::~InternalPolygon()
{
if (x != 0){ delete x; }
if (y != 0){ delete y; }
}
InputBStream& operator >> (InputBStream& stream, InternalPolygon& pol)
{
stream >> pol.pointCount;
pol.x = new double[pol.pointCount];
pol.y = new double[pol.pointCount];
for (int i = 0; i < pol.pointCount; ++i){
stream >> *(pol.x + i);
}
for (int i = 0; i < pol.pointCount; ++i){
stream >> *(pol.y + i);
}
return stream;
}
OutputBStream& operator << (OutputBStream& stream, const InternalPolygon& pol)
{
stream << pol.pointCount;
for (int i = 0; i < pol.pointCount; ++i){
stream << *(pol.x + i);
}
for (int i = 0; i < pol.pointCount; ++i){
stream << *(pol.y + i);
}
return stream;
}
Polygon::Polygon()
{
polygon = 0;
}
Polygon::~Polygon()
{
clear();
}
int Polygon::load(const char* filename, bool noDimensions)
{
ifstream istream(filename, ios::in | ios::binary);
if (! istream){
// open error
return -1;
}
clear();
InputBStream str(istream);
int size;
values.clear();
double val;
if (noDimensions){
str >> val;
values.push_back(val);
} else {
int count;
str >> count;
for (int i = 0; i < count; ++i){
str >> val;
values.push_back(val);
}
}
polygon = new iRICLib::InternalPolygon();
str >> *polygon;
str >> size;
holes.clear();
for (int i = 0; i < size; ++i){
InternalPolygon* hole = new InternalPolygon();
str >> *hole;
holes.push_back(hole);
}
istream.close();
return 0;
}
int Polygon::save(const char *filename, bool noDimensions)
{
ofstream ostream(filename, ios::out | ios::binary);
if (! ostream){
// open error
return -1;
}
OutputBStream str(ostream);
if (noDimensions){
str << values[0];
} else {
int count = static_cast<int>(values.size());
str << count;
for (int i = 0; i < count; ++i){
str << values[i];
}
}
str << *polygon;
str << static_cast<int>(holes.size());
for (unsigned int i = 0; i < holes.size(); ++i){
InternalPolygon* hole = holes[i];
str << *hole;
}
ostream.close();
return 0;
}
void Polygon::clear()
{
if (polygon != 0){delete polygon;}
for (unsigned int i = 0; i < holes.size(); ++i){
delete holes[i];
}
holes.clear();
}