87 lines
2.3 KiB
C++
87 lines
2.3 KiB
C++
#ifndef PIFRAME_H
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#define PIFRAME_H
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#include "pivector.h"
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template <typename T>
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class PIFrame {
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public:
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inline PIFrame() {rows_ = cols_ = 0;}
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inline PIFrame(size_t rows, size_t cols, const T & f = T()) {
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rows_ = rows;
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cols_ = cols;
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mat.resize(rows*cols, f);
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}
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inline PIFrame(const PIVector<PIVector<T> > & v) {
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rows_ = v.size();
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if (rows_) {
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cols_ = v[0].size();
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for (size_t i = 0; i < rows_; i++) {
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mat.append(v[i]);
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}
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mat.resize(rows_*cols_);
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}
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if (mat.isEmpty()) rows_ = cols_ = 0;
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}
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inline size_t rows() const {return rows_;}
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inline size_t cols() const {return cols_;}
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// inline size_t size() const {return mat.size();}
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// inline ssize_t size_s() const {return mat.size_s();}
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inline size_t length() const {return mat.length();}
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inline bool isEmpty() const {return mat.isEmpty();}
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class PIFrameRow {
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friend class PIFrame<T>;
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private:
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inline PIFrameRow(PIFrame<T> * p, size_t row) : p_(p) {st_ = p_->cols_ * row;}
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PIFrame<T> * p_;
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size_t st_;
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public:
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inline size_t size() const {return p_->cols_;}
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inline T & operator [](size_t index) {return p_->mat[st_ + index];}
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inline const T & operator [](size_t index) const {return p_->mat[st_ + index];}
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};
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class PIFrameRowConst {
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friend class PIFrame<T>;
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private:
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inline PIFrameRowConst(const PIFrame<T> * p, size_t row) : p_(p) {st_ = p_->cols_ * row;}
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const PIFrame<T> * p_;
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size_t st_;
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public:
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inline size_t size() const {return p_->cols_;}
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inline const T & operator [](size_t index) const {return p_->mat[st_ + index];}
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};
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inline PIFrameRow operator[](size_t index) {return PIFrameRow(this, index);}
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inline PIFrameRowConst operator[](size_t index) const {return PIFrameRowConst(this, index);}
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private:
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size_t rows_, cols_;
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PIVector<T> mat;
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};
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template<typename T>
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inline PICout operator <<(PICout s, const PIFrame<T> & v) {
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s.setControl(0, true);
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s << "{";
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for (size_t i = 0; i < v.rows(); ++i) {
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s << "{ ";
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for (size_t j = 0; j < v.cols(); ++j) {
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s << v[i][j];
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if (j < v.cols() - 1) s << ", ";
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}
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s << " }";
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if (i < v.rows() - 1) s << PICoutManipulators::NewLine ;
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}
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if (v.isEmpty()) s << "{ }";
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s << "}";
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s.restoreControl();
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return s;
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}
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#endif // PIFRAME_H
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