00001 /* 00002 ** ClanLib SDK 00003 ** Copyright (c) 1997-2011 The ClanLib Team 00004 ** 00005 ** This software is provided 'as-is', without any express or implied 00006 ** warranty. In no event will the authors be held liable for any damages 00007 ** arising from the use of this software. 00008 ** 00009 ** Permission is granted to anyone to use this software for any purpose, 00010 ** including commercial applications, and to alter it and redistribute it 00011 ** freely, subject to the following restrictions: 00012 ** 00013 ** 1. The origin of this software must not be misrepresented; you must not 00014 ** claim that you wrote the original software. If you use this software 00015 ** in a product, an acknowledgment in the product documentation would be 00016 ** appreciated but is not required. 00017 ** 2. Altered source versions must be plainly marked as such, and must not be 00018 ** misrepresented as being the original software. 00019 ** 3. This notice may not be removed or altered from any source distribution. 00020 ** 00021 ** Note: Some of the libraries ClanLib may link to may have additional 00022 ** requirements or restrictions. 00023 ** 00024 ** File Author(s): 00025 ** 00026 ** Magnus Norddahl 00027 ** Mark Page 00028 ** Harry Storbacka 00029 */ 00030 00033 00034 #pragma once 00035 00036 #include "../api_core.h" 00037 #include "../System/cl_platform.h" 00038 #include "mat3.h" 00039 #include "mat4.h" 00040 00041 template<typename Type> 00042 class CL_Mat2; 00043 00044 template<typename Type> 00045 class CL_Mat3; 00046 00047 template<typename Type> 00048 class CL_Mat4; 00049 00050 class CL_Angle; 00051 00056 template<typename Type> 00057 class CL_Mat2 00058 { 00061 00062 public: 00064 CL_Mat2() { } 00065 00067 CL_Mat2(const CL_Mat2<Type> ©) 00068 { 00069 for (int i=0; i<4; i++) 00070 matrix[i] = copy.matrix[i]; 00071 } 00072 00074 CL_Mat2(const CL_Mat3<Type> ©); 00075 00077 CL_Mat2(const CL_Mat4<Type> ©); 00078 00080 CL_Mat2(const float *init_matrix) 00081 { 00082 for (int i=0; i<4; i++) 00083 matrix[i] = (Type) init_matrix[i]; 00084 } 00085 00087 CL_Mat2(Type m00, Type m01, Type m10, Type m11) 00088 { 00089 matrix[0 * 2 + 0] = m00; matrix[0 * 2 + 1] = m01; 00090 matrix[1 * 2 + 0] = m10; matrix[1 * 2 + 1] = m11; 00091 } 00092 00094 CL_Mat2(const double *init_matrix) 00095 { 00096 for (int i=0; i<4; i++) 00097 matrix[i] = (Type) init_matrix[i]; 00098 } 00099 00101 CL_Mat2(const cl_byte64 *init_matrix) 00102 { 00103 for (int i=0; i<4; i++) 00104 matrix[i] = (Type) init_matrix[i]; 00105 } 00106 00108 CL_Mat2(const cl_byte32 *init_matrix) 00109 { 00110 for (int i=0; i<4; i++) 00111 matrix[i] = (Type) init_matrix[i]; 00112 } 00113 00115 CL_Mat2(const cl_byte16 *init_matrix) 00116 { 00117 for (int i=0; i<4; i++) 00118 matrix[i] = (Type) init_matrix[i]; 00119 } 00120 00122 CL_Mat2(const cl_byte8 *init_matrix) 00123 { 00124 for (int i=0; i<4; i++) 00125 matrix[i] = (Type) init_matrix[i]; 00126 } 00127 00128 static CL_Mat2<Type> null(); 00129 00130 static CL_Mat2<Type> identity(); 00131 00139 static CL_Mat2<Type> multiply(const CL_Mat2<Type> &matrix_1, const CL_Mat2<Type> &matrix_2); 00140 00148 static CL_Mat2<Type> add(const CL_Mat2<Type> &matrix_1, const CL_Mat2<Type> &matrix_2); 00149 00157 static CL_Mat2<Type> subtract(const CL_Mat2<Type> &matrix_1, const CL_Mat2<Type> &matrix_2); 00158 00162 00163 public: 00164 Type matrix[4]; 00165 00169 00170 public: 00178 CL_Mat2<Type> &multiply(const CL_Mat2<Type> &mult); 00179 00187 CL_Mat2<Type> &add(const CL_Mat2<Type> &add_matrix); 00188 00196 CL_Mat2<Type> &subtract(const CL_Mat2<Type> &subtract_matrix); 00197 00201 00202 public: 00204 operator Type const*() const { return matrix; } 00205 00207 operator Type *() { return matrix; } 00208 00210 Type &operator[](int i) { return matrix[i]; } 00211 00213 const Type &operator[](int i) const { return matrix[i]; } 00214 00216 Type &operator[](unsigned int i) { return matrix[i]; } 00217 00219 const Type &operator[](unsigned int i) const { return matrix[i]; } 00220 00222 CL_Mat2<Type> &operator =(const CL_Mat2<Type> ©) {memcpy(matrix, copy.matrix, sizeof(matrix)); return *this; } 00223 00225 CL_Mat2<Type> &operator =(const CL_Mat4<Type> ©); 00226 00228 CL_Mat2<Type> &operator =(const CL_Mat3<Type> ©); 00229 00231 CL_Mat2<Type> operator *(const CL_Mat2<Type> &mult) const { CL_Mat2<Type> result = mult; result.multiply(*this); return result; } 00232 00234 CL_Mat2<Type> operator +(const CL_Mat2<Type> &add_matrix) const { CL_Mat2<Type> result = add_matrix; result.add(*this); return result; } 00235 00237 CL_Mat2<Type> operator -(const CL_Mat2<Type> &subtract_matrix) const { CL_Mat2<Type> result = subtract_matrix; result.subtract(*this); return result; } 00238 00240 bool operator==(const CL_Mat2<Type> &other) 00241 { 00242 for (int i=0; i<4; i++) 00243 if (matrix[i] != other.matrix[i]) return false; 00244 return true; 00245 } 00246 00248 bool operator!=(const CL_Mat2<Type> &other) { return !((*this) == other); } 00249 00253 00254 private: 00256 }; 00257 00258 typedef CL_Mat2<int> CL_Mat2i; 00259 typedef CL_Mat2<float> CL_Mat2f; 00260 typedef CL_Mat2<double> CL_Mat2d; 00261