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#ifndef gra_Camera_H__
#define gra_Camera_H__
#include "Photo.h"
#include "IdentityPoints.h"
#include "../Self.h"
#include "../math/utility.h"
#include "../math/LinearTransformations.h"
#include "../math/methods.h"
#include "../oo/ObjBase.h"
namespace meow {
/*!
* @brief Camera
*
* 實際上就是一個 \c Photo 加上一個 \c Rotation3D.
* 另外附有 fixedPoint, 可以用來定位時參考
*
* @author cat_leopard
*/
template<class Pixel>
class Camera: public ObjBase {
public:
typedef IdentityPoints<int, double> FixedPoints2D;
private:
struct Myself {
Photo<Pixel> photo_;
Rotation3D<double> rot_;
FixedPoints2D fixed2D_;
Myself() {
fixed2D_.dimension(2);
}
Myself(Myself const& v):
photo_(v.photo_), rot_(v.rot_), fixed2D_(v.fixed2D_) {
}
~Myself() {
}
};
Self<Myself> const self;
public:
/*!
* @brief constructor
*/
Camera(): self() {
}
/*!
* @brief copy constructor
*/
Camera(Camera const& b): self(b.self, Self<Myself>::COPY_FROM) {
}
/*!
* @brief destructor
*/
~Camera() {
}
/*!
* @brief 複製資料
*/
Camera& copyFrom(Camera const& b) {
self().copyFrom(b.self);
return *this;
}
/*!
* @brief 參照
*/
Camera& referenceFrom(Camera const& b) {
self().referenceFrom(b.self);
return *this;
}
/*!
* @brief 取得 photo
*/
Photo<Pixel> photo() const {
return self->photo_;
}
/*!
* @brief 取得 photo (non-constant)
*/
Photo<Pixel>& photoGet() {
return self()->photo_;
}
/*!
* @brief 設定 photo
*/
Photo<Pixel> photo(Photo<Pixel> const& pho) {
self()->photo_.copyFrom(pho);
return photo();
}
/*!
* @brief 取得rotation
*/
Rotation3D<double> rotation() const {
return self->rot_;
}
/*!
* @brief 取得rotation (non-constant)
*/
Rotation3D<double>& rotationGet() {
return self()->rot_;
}
/*!
* @brief 設定rotation
*/
Rotation3D<double> rotation(Rotation3D<double> const& rot) {
self()->rot_.copyFrom(rot);
return rotation();
}
/*!
* @brief 取得所有FixedPoint
*/
FixedPoints2D fixedPoints2D() const {
return self->fixed2D_;
}
/*!
* @brief 取得所有FixedPoint(non-constant reference)
*/
FixedPoints2D& fixedPoints2DGet() const {
return self()->fixed2D_;
}
/*!
* @brief 設定FixedPoint
*/
FixedPoints2D fixedPoints2D(FixedPoints2D const& fps2d) const {
if (fps2d.dimension() == 2) {
self()->fixed2D_.copyFrom(fps2d);
}
return fixedPoints2D();
}
/*!
* @brief 取得編號為i的fixed points 2d
*/
Vector<double> fixedPoint2D(int i) {
return self->fixed2D_.identityPoint(i);
}
/*!
* @brief 詢問某點是否在底片範圍內
*/
bool inside(Vector3D<double> p) const {
return self->photo_.inside(
Vector3D<double>(rotation().transformate(p.matrix())));
}
/*!
* @brief 取得底片color
*/
Pixel color(Vector3D<double> p) const {
return self->photo_.color(
Vector3D<double>(rotation().transformate(p.matrix())));
}
/*!
* @brief same as \c copyFrom(b)
*/
Camera& operator=(Camera const& b) {
return copyFrom(b);
}
/*! @brief 將資料寫入檔案
*
* @note 未完成
*/
bool write(FILE* f, bool bin, unsigned int fg) const {
if (bin) {
double tmp;
for (size_t i = 0; i < 3; ++i) {
if (fwrite(&(tmp = rotation().theta(i)), sizeof(tmp), 1, f) < 1)
return false;
}
}
else {
for (size_t i = 0; i < 3; ++i) {
if (fprintf(f, "%f ", rotation().theta(i)) < 1) return false;
}
fprintf(f, "\n");
}
return (fixedPoints2D().write(f, bin, fg) && photo().write(f, bin, fg));
}
/*! @brief 將資料讀入
*
* @note 未完成
*/
bool read(FILE* f, bool bin, unsigned int fg) {
if (bin) {
double tmp;
for (size_t i = 0; i < 3; ++i) {
if (fread(&tmp, sizeof(tmp), 1, f) < 1) {
return false;
}
rotationGet().theta(i, tmp);
}
}
else {
double a;
for (size_t i = 0; i < 3; ++i) {
if (fscanf(f, "%lf", &a) < 1) return false;
rotationGet().theta(i, a);
}
}
return (fixedPoints2DGet().read(f, bin, fg) && photoGet().read(f, bin, fg));
}
/*! @brief new一個自己
*
* @return 一個new出來的pointer
*/
ObjBase* create() const {
return new Camera();
}
/*! @brief 複製資料
*
* 輸入型別是 \c ObjBase \c const*
* 事實上這個method就只是幫忙轉型然後呼叫原本的\c copyFrom
*
* @param [in] b 資料來源
* @return this
*/
ObjBase* copyFrom(ObjBase const* b) {
return &(copyFrom(*(Camera*)b));
}
/*! @brief 回傳class的type
*
* @return \c char \c const\c * 形式的typename
*/
char const* ctype() const{
return typeid(*this).name();
}
/*! @brief 回傳class的type
*
* @return \c std::string 形式的typename
*/
std::string type() const {
return std::string(ctype());
}
};
} // meow
#endif // gra_Camera_H__
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