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#ifndef gra_FeaturePoint_H__
#define gra_FeaturePoint_H__
#include "../oo/ObjBase.h"
#include "../math/Vector.h"
#include <string>
#include <typeinfo>
#include <cstdlib>
#include <cstdio>
namespace meow {
/*!
* @brief 特徵點
*
* @author cat_leopard
*/
template<class Scalar, class Description>
class FeaturePoint: public ObjBase {
private:
Vector<Scalar> pos_;
Vector<Description> des_;
public:
/*!
* @brief constructor
*/
FeaturePoint() {
}
/*!
* @brief constructor
*/
FeaturePoint(size_t pDim, size_t dDim):
pos_(pDim, Scalar(0)), des_(dDim, Description(0)) {
}
/*!
* @brief constructor
*/
FeaturePoint(FeaturePoint const& fp):
pos_(fp.pos_), des_(fp.des_) {
}
/*!
* @brief destructor
*/
~FeaturePoint() {
}
/*!
* @brief 複製
*/
FeaturePoint& copyFrom(FeaturePoint const& fp) {
pos_.copyFrom(fp.pos_);
des_.copyFrom(fp.des_);
return *this;
}
/*!
* @brief 參照
*/
FeaturePoint& referenceFrom(FeaturePoint const& fp) {
pos_.referenceFrom(fp.pos_);
des_.referenceFrom(fp.des_);
return *this;
}
/*!
* @brief 回傳position
*/
Vector<Scalar> position() const {
return pos_;
}
/*!
* @brief 回傳position (non-const reference)
*/
Vector<Scalar>& positionGet() {
return pos_;
}
/*!
* @brief 回傳description
*/
Vector<Description> description() const {
return des_;
}
/*!
* @brief 回傳description (non-const reference)
*/
Vector<Description>& descriptionGet() {
return des_;
}
/*!
* @brief 修改position
*/
Vector<Scalar> position(Vector<Scalar> const& p) const {
pos_.copyFrom(p);
return position();
}
/*!
* @brief 修改description
*/
Vector<Description> description(Vector<Description> const& d) {
des_.copyFrom(d);
return description();
}
/*!
* @brief 回傳position的第i個scalar
*/
Scalar position(size_t index) const {
return pos_(index);
}
/*!
* @brief 回傳description的第i個Description
*/
Description description(size_t i) const {
return des_(i);
}
/*!
* @brief 修改position的第i個scalar
*/
Scalar position(size_t i, Scalar const& s) {
pos_.scalar(i, s);
return position(i);
}
/*!
* @brief 修改description的第i個Description
*/
Description description(size_t i, Description const& d) {
des_.scalar(i, d);
return description(i);
}
/*!
* @brief same as copyFrom(fp)
*/
FeaturePoint& operator=(FeaturePoint const& fp) {
return copyFrom(fp);
}
/*!
* @brief same as position(i)
*/
Scalar const& operator()(size_t i) const {
return position(i);
}
/*!
* @brief same as description(i)
*/
Description operator[](size_t i) const {
return description(i);
}
bool write(FILE* f, bool bin, unsigned int fg) const {
if (bin) {
double tmp;
for (size_t i = 0, I = position().dimension(); i < I; ++i) {
if (fwrite(&(tmp = position(i)), sizeof(tmp), 1, f) < 1) return false;
}
for (size_t i = 0, I = description().dimension(); i < I; ++i) {
if (fwrite(&(tmp = description(i)), sizeof(tmp), 1, f) < 1)
return false;
}
}
else {
for (size_t i = 0, I = position().dimension(); i < I; ++i) {
if (fprintf(f, "%f ", (double)position(i)) < 1) return false;
}
fprintf(f, "\n");
for (size_t i = 0, I = description().dimension(); i < I; ++i) {
if (fprintf(f, "%f ", (double)description(i)) < 1) return false;
}
fprintf(f, "\n");
}
return true;
}
bool read (FILE* f, bool bin, unsigned int fg) {
if (bin) {
double tmp;
for (size_t i = 0, I = position().dimension(); i < I; ++i) {
if (fread(&tmp, sizeof(tmp), 1, f) < 1) return false;
position(i, tmp);
}
for (size_t i = 0, I = description().dimension(); i < I; ++i) {
if (fread(&tmp, sizeof(tmp), 1, f) < 1) return false;
description(i, tmp);
}
}
else {
double tmp;
for (size_t i = 0, I = position().dimension(); i < I; ++i) {
if (fscanf(f, "%lf", &tmp) < 1) return false;
position(i, tmp);
}
for (size_t i = 0, I = description().dimension(); i < I; ++i) {
if (fscanf(f, "%lf", &tmp) < 1) return false;
description(i, tmp);
}
}
return true;
}
ObjBase* create() const {
return new FeaturePoint();
}
ObjBase* copyFrom(ObjBase const& b) {
return &(copyFrom(*(FeaturePoint const*)b));
}
char const* ctype() const {
return typeid(*this).name();
}
std::string type() const {
return std::string(ctype());
}
};
} // meow
#endif // gra_FeaturePoint_H__
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