diff -r 09150d027e8c -r d79083b9f74d src/Types.h --- a/src/Types.h Wed Mar 12 16:21:49 2014 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,335 +0,0 @@ -/* - * LDForge: LDraw parts authoring CAD - * Copyright (C) 2013, 2014 Santeri Piippo - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -#pragma once -#include -#include -#include -#include -#include "Macros.h" - -class LDObject; -class QFile; -class QTextStream; - -using int8 = qint8; -using int16 = qint16; -using int32 = qint32; -using int64 = qint64; -using uint8 = quint8; -using uint16 = quint16; -using uint32 = quint32; -using uint64 = quint64; - -template -using Pair = std::pair; - -enum Axis -{ - X, - Y, - Z -}; - -// ============================================================================= -// -class LDObject; -using LDObjectList = QList; - -//! -//! \brief A mathematical 3 x 3 matrix -//! -class Matrix -{ - public: - //! Constructs a matrix with undetermined values. - Matrix() {} - - //! Constructs a matrix with the given values. - //! \note \c vals is expected to have exactly 9 elements. - Matrix (const std::initializer_list& vals); - - //! Constructs a matrix all 9 elements initialized to the same value. - //! \param fillval the value to initialize the matrix coordinates as - Matrix (double fillval); - - //! Constructs a matrix with a C-array. - //! \note \c vals is expected to have exactly 9 elements. - Matrix (double vals[]); - - //! Calculates the matrix's determinant. - //! \returns the calculated determinant. - double getDeterminant() const; - - //! Multiplies this matrix with \c other - //! \param other the matrix to multiply with. - //! \returns the resulting matrix - //! \note a.mult(b) is not equivalent to b.mult(a)! - Matrix mult (const Matrix& other) const; - - //! Prints the matrix to stdout. - void dump() const; - - //! \returns a string representation of the matrix. - QString toString() const; - - //! Zeroes the matrix out. - void zero(); - - //! Assigns the matrix values to the values of \c other. - //! \param other the matrix to assign this to. - //! \returns a reference to self - Matrix& operator= (const Matrix& other); - - //! \returns a mutable reference to a value by \c idx - inline double& value (int idx) - { - return m_vals[idx]; - } - - //! An overload of \c value() for const matrices. - //! \returns a const reference to a value by \c idx - inline const double& value (int idx) const - { - return m_vals[idx]; - } - - //! An operator overload for \c mult(). - //! \returns the multiplied matrix. - inline Matrix operator* (const Matrix& other) const - { - return mult (other); - } - - //! An operator overload for \c value(). - //! \returns a mutable reference to a value by \c idx - inline double& operator[] (int idx) - { - return value (idx); - } - - //! An operator overload for \c value() const. - //! \returns a const reference to a value by \c idx - inline const double& operator[] (int idx) const - { - return value (idx); - } - - //! \param other the matrix to check against - //! \returns whether the two matrices have the same values. - bool operator== (const Matrix& other) const; - - private: - double m_vals[9]; -}; - -//! -//! \brief A vertex in 3D space -//! -//! Contains a single point in 3D space. Not to be confused with -//! LDVertex, which is a vertex used in an LDraw part file. -//! -//! This also sees use as a position vector. -//! -class Vertex -{ - public: - //! Constructs a zero vertex - Vertex() : - m_coords{0, 0, 0} {} - - //! Constructs a vertex with the given \c x, \c y and \c z. - Vertex (double x, double y, double z); - - //! \returns the distance from this vertex to \c other - double distanceTo (const Vertex& other) const; - - //! \returns the vertex at the midpoint between this and \c other - Vertex midpoint (const Vertex& other); - - //! Moves this vertex using \param other as a position vector. - void move (const Vertex& other); - - //! Yields a string representation of the vertex. The string returned - //! can possibly be mangled. - //! - As mangled: {1.5, 2.8, 3.14} - //! - Without mangling: 1.5 2.8 3.14 - //! - //! The mangled version is suitable for printing to the user, the - //! non-mangled one is used when writing the vertex to LDraw files. - //! - //! \returns a string representation of this vertex - //! \param mangled whether to return a mangled representation or not - QString toString (bool mangled) const; - - //! Transforms this vertex with \c matr as transformation matrix - //! and \c pos as the position column of the 4x4 matrix. - void transform (const Matrix& matr, const Vertex& pos); - - //! An operator overload for \c move(). - Vertex& operator+= (const Vertex& other); - - //! An operator overload for \c move(), using a temporary vertex. - Vertex operator+ (const Vertex& other) const; - - //! Divides all values by \c d. - Vertex operator/ (const double d) const; - - //! Divides all values by \c d. - Vertex& operator/= (const double d); - - //! Checks whether this vertex has the same values as \c other. - bool operator== (const Vertex& other) const; - - //! Checks whether this vertex has different values than \c other. - bool operator!= (const Vertex& other) const; - - //! \returns a negated version the vertex - Vertex operator-() const; - - //! \returns whether the vertex has lesser values than \c other. - int operator< (const Vertex& other) const; - - //! An operator overload for \c getCoordinate(). - inline double& operator[] (const Axis ax) - { - return getCoordinate ((int) ax); - } - - //! An operator overload for \c getCoordinate() const. - inline const double& operator[] (const Axis ax) const - { - return getCoordinate ((int) ax); - } - - //! An operator overload for \c getCoordinate(). - inline double& operator[] (const int ax) - { - return getCoordinate (ax); - } - - //! An operator overload for \c getCoordinate() const. - inline const double& operator[] (const int ax) const - { - return getCoordinate (ax); - } - - //! \returns a mutable reference for the coordinate designated by \param n. - inline double& getCoordinate (int n) - { - return m_coords[n]; - } - - //! An overload of \c getCoordinate for const vertices. - //! \returns a const reference for the coordinate designated by \param n. - inline const double& getCoordinate (int n) const - { - return m_coords[n]; - } - - //! \returns a mutable reference to X. - inline double& x() - { - return m_coords[X]; - } - - //! An overload of \c x() for const vertices. - //! \returns a const reference to X. - inline const double& x() const - { - return m_coords[X]; - } - - //! \returns a mutable reference to Y. - inline double& y() - { - return m_coords[Y]; - } - - //! An overload of \c y() for const vertices. - //! \returns a const reference to Y. - inline const double& y() const - { - return m_coords[Y]; - } - - //! \returns a mutable reference to Z. - inline double& z() - { - return m_coords[Z]; - } - - //! An overload of \c z() for const vertices. - //! \returns a const reference to Z. - inline const double& z() const - { - return m_coords[Z]; - } - - private: - double m_coords[3]; -}; - -Q_DECLARE_METATYPE (Vertex) - -//! -//! Defines a bounding box that encompasses a given set of objects. -//! vertex0 is the minimum vertex, vertex1 is the maximum vertex. -// -class LDBoundingBox -{ - PROPERTY (private, bool, isEmpty, setEmpty, STOCK_WRITE) - PROPERTY (private, Vertex, vertex0, setVertex0, STOCK_WRITE) - PROPERTY (private, Vertex, vertex1, setVertex1, STOCK_WRITE) - - public: - //! Constructs an empty bounding box. - LDBoundingBox(); - - //! Clears the bounding box - void reset(); - - //! Calculates the bounding box's values from the objects in the current - //! document. - void calculateFromCurrentDocument(); - - //! \returns the length of the bounding box on the longest measure. - double longestMeasurement() const; - - //! Calculates the given \c obj to the bounding box, adjusting - //! extremas if necessary. - void calcObject (LDObject* obj); - - //! Calculates the given \c vertex to the bounding box, adjusting - //! extremas if necessary. - void calcVertex (const Vertex& vertex); - - //! \returns the center of the bounding box. - Vertex center() const; - - //! An operator overload for \c calcObject() - LDBoundingBox& operator<< (LDObject* obj); - - //! An operator overload for \c calcVertex() - LDBoundingBox& operator<< (const Vertex& v); -}; - -extern const Vertex g_origin; // Vertex at (0, 0, 0) -extern const Matrix g_identity; // Identity matrix - -static const double pi = 3.14159265358979323846;