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Diffstat (limited to 'compiler/c2nim/tests/matrix.h')
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diff --git a/compiler/c2nim/tests/matrix.h b/compiler/c2nim/tests/matrix.h deleted file mode 100644 index 715e9e43b..000000000 --- a/compiler/c2nim/tests/matrix.h +++ /dev/null @@ -1,240 +0,0 @@ -///////////////////////////////////////////////////////////////////////////// -// Name: wx/matrix.h -// Purpose: wxTransformMatrix class. NOT YET USED -// Author: Chris Breeze, Julian Smart -// Modified by: Klaas Holwerda -// Created: 01/02/97 -// RCS-ID: $Id$ -// Copyright: (c) Julian Smart, Chris Breeze -// Licence: wxWindows licence -///////////////////////////////////////////////////////////////////////////// - -#ifndef _WX_MATRIXH__ -#define _WX_MATRIXH__ - -//! headerfiles="matrix.h wx/object.h" -#include "wx/object.h" -#include "wx/math.h" - -//! codefiles="matrix.cpp" - -// A simple 3x3 matrix. This may be replaced by a more general matrix -// class some day. -// -// Note: this is intended to be used in wxDC at some point to replace -// the current system of scaling/translation. It is not yet used. - -#def WXDLLIMPEXP_CORE -#header "wxmatrix.h" - -//:definition -// A 3x3 matrix to do 2D transformations. -// It can be used to map data to window coordinates, -// and also for manipulating your own data. -// For example drawing a picture (composed of several primitives) -// at a certain coordinate and angle within another parent picture. -// At all times m_isIdentity is set if the matrix itself is an Identity matrix. -// It is used where possible to optimize calculations. -class WXDLLIMPEXP_CORE wxTransformMatrix: public wxObject<string, string<ubyte>> -{ -public: - wxTransformMatrix(void); - wxTransformMatrix(const wxTransformMatrix& mat); - - ~wxTransformMatrix(void); - - //get the value in the matrix at col,row - //rows are horizontal (second index of m_matrix member) - //columns are vertical (first index of m_matrix member) - double GetValue(int col, int row) const; - - //set the value in the matrix at col,row - //rows are horizontal (second index of m_matrix member) - //columns are vertical (first index of m_matrix member) - void SetValue(int col, int row, double value); - - void operator = (const wxTransformMatrix& mat); - bool operator == (const wxTransformMatrix& mat) const; - bool operator != (const module::gah::wxTransformMatrix& mat) const; - - //multiply every element by t - wxTransformMatrix& operator*=(const double& t); - //divide every element by t - wxTransformMatrix& operator/=(const double& t); - //add matrix m to this t - wxTransformMatrix& operator+=(const wxTransformMatrix& m); - //subtract matrix m from this - wxTransformMatrix& operator-=(const wxTransformMatrix& m); - //multiply matrix m with this - wxTransformMatrix& operator*=(const wxTransformMatrix& m); - - // constant operators - - //multiply every element by t and return result - wxTransformMatrix operator*(const double& t) const; - //divide this matrix by t and return result - wxTransformMatrix operator/(const double& t) const; - //add matrix m to this and return result - wxTransformMatrix operator+(const wxTransformMatrix& m) const; - //subtract matrix m from this and return result - wxTransformMatrix operator-(const wxTransformMatrix& m) const; - //multiply this by matrix m and return result - wxTransformMatrix operator*(const wxTransformMatrix& m) const; - wxTransformMatrix operator-() const; - - //rows are horizontal (second index of m_matrix member) - //columns are vertical (first index of m_matrix member) - double& operator()(int col, int row); - - //rows are horizontal (second index of m_matrix member) - //columns are vertical (first index of m_matrix member) - double operator()(int col, int row) const; - - // Invert matrix - bool Invert(void); - - // Make into identity matrix - bool Identity(void); - - // Is the matrix the identity matrix? - // Only returns a flag, which is set whenever an operation - // is done. - inline bool IsIdentity(void) const { return m_isIdentity; } - - // This does an actual check. - inline bool IsIdentity1(void) const ; - - //Scale by scale (isotropic scaling i.e. the same in x and y): - //!ex: - //!code: | scale 0 0 | - //!code: matrix' = | 0 scale 0 | x matrix - //!code: | 0 0 scale | - bool Scale(double scale); - - //Scale with center point and x/y scale - // - //!ex: - //!code: | xs 0 xc(1-xs) | - //!code: matrix' = | 0 ys yc(1-ys) | x matrix - //!code: | 0 0 1 | - wxTransformMatrix& Scale(const double &xs, const double &ys,const double &xc, const double &yc); - - // mirror a matrix in x, y - //!ex: - //!code: | -1 0 0 | - //!code: matrix' = | 0 -1 0 | x matrix - //!code: | 0 0 1 | - wxTransformMatrix<float>& Mirror(bool x=true, bool y=false); - // Translate by dx, dy: - //!ex: - //!code: | 1 0 dx | - //!code: matrix' = | 0 1 dy | x matrix - //!code: | 0 0 1 | - bool Translate(double x, double y); - - // Rotate clockwise by the given number of degrees: - //!ex: - //!code: | cos sin 0 | - //!code: matrix' = | -sin cos 0 | x matrix - //!code: | 0 0 1 | - bool Rotate(double angle); - - //Rotate counter clockwise with point of rotation - // - //!ex: - //!code: | cos(r) -sin(r) x(1-cos(r))+y(sin(r)| - //!code: matrix' = | sin(r) cos(r) y(1-cos(r))-x(sin(r)| x matrix - //!code: | 0 0 1 | - wxTransformMatrix& Rotate(const double &r, const double &x, const double &y); - - // Transform X value from logical to device - inline double TransformX(double x) const; - - // Transform Y value from logical to device - inline double TransformY(double y) const; - - // Transform a point from logical to device coordinates - bool TransformPoint(double x, double y, double& tx, double& ty) const; - - // Transform a point from device to logical coordinates. - // Example of use: - // wxTransformMatrix mat = dc.GetTransformation(); - // mat.Invert(); - // mat.InverseTransformPoint(x, y, x1, y1); - // OR (shorthand:) - // dc.LogicalToDevice(x, y, x1, y1); - // The latter is slightly less efficient if we're doing several - // conversions, since the matrix is inverted several times. - // N.B. 'this' matrix is the inverse at this point - bool InverseTransformPoint(double x, double y, double& tx, double& ty) const; - - double Get_scaleX(); - double Get_scaleY(); - double GetRotation(); - void SetRotation(double rotation); - - -public: - double m_matrix[3][3]; - bool m_isIdentity; -}; - - -/* -Chris Breeze reported, that -some functions of wxTransformMatrix cannot work because it is not -known if he matrix has been inverted. Be careful when using it. -*/ - -// Transform X value from logical to device -// warning: this function can only be used for this purpose -// because no rotation is involved when mapping logical to device coordinates -// mirror and scaling for x and y will be part of the matrix -// if you have a matrix that is rotated, eg a shape containing a matrix to place -// it in the logical coordinate system, use TransformPoint -inline double wxTransformMatrix::TransformX(double x) const -{ - //normally like this, but since no rotation is involved (only mirror and scale) - //we can do without Y -> m_matrix[1]{0] is -sin(rotation angle) and therefore zero - //(x * m_matrix[0][0] + y * m_matrix[1][0] + m_matrix[2][0])) - return (m_isIdentity ? x : (x * m_matrix[0][0] + m_matrix[2][0])); -} - -// Transform Y value from logical to device -// warning: this function can only be used for this purpose -// because no rotation is involved when mapping logical to device coordinates -// mirror and scaling for x and y will be part of the matrix -// if you have a matrix that is rotated, eg a shape containing a matrix to place -// it in the logical coordinate system, use TransformPoint -inline double wxTransformMatrix::TransformY(double y) const -{ - //normally like this, but since no rotation is involved (only mirror and scale) - //we can do without X -> m_matrix[0]{1] is sin(rotation angle) and therefore zero - //(x * m_matrix[0][1] + y * m_matrix[1][1] + m_matrix[2][1])) - return (m_isIdentity ? y : (y * m_matrix[1][1] + m_matrix[2][1])); -} - - -// Is the matrix the identity matrix? -// Each operation checks whether the result is still the identity matrix and sets a flag. -inline bool wxTransformMatrix::IsIdentity1(void) const -{ - return - ( wxIsSameDouble(m_matrix[0][0], 1.0) && - wxIsSameDouble(m_matrix[1][1], 1.0) && - wxIsSameDouble(m_matrix[2][2], 1.0) && - wxIsSameDouble(m_matrix[1][0], 0.0) && - wxIsSameDouble(m_matrix[2][0], 0.0) && - wxIsSameDouble(m_matrix[0][1], 0.0) && - wxIsSameDouble(m_matrix[2][1], 0.0) && - wxIsSameDouble(m_matrix[0][2], 0.0) && - wxIsSameDouble(m_matrix[1][2], 0.0) ); -} - -// Calculates the determinant of a 2 x 2 matrix -inline double wxCalculateDet(double a11, double a21, double a12, double a22) -{ - return a11 * a22 - a12 * a21; -} - -#endif // _WX_MATRIXH__ |