126     mat33& M(mMatrix);  in set()  local
127     M[0][0] = a;    M[1][0] = b;  in set()
128     M[0][1] = c;    M[1][1] = d;  in set()
129     M[0][2] = 0;    M[1][2] = 0;  in set()
150         mat33& M(H.mMatrix);  in set()  local
151         M[0][0] = -1;  in set()
152         M[2][0] = w;  in set()
158         mat33& M(V.mMatrix);  in set()  local
159         M[1][1] = -1;  in set()
160         M[2][1] = h;  in set()
167         mat33& M(R.mMatrix);  in set()  local
168         M[0][0] = 0;    M[1][0] =-1;    M[2][0] = original_w;  in set()
169         M[0][1] = 1;    M[1][1] = 0;  in set()
178     const mat33& M(mMatrix);  in transform()  local
179     r[0] = M[0][0]*v[0] + M[1][0]*v[1] + M[2][0];  in transform()
180     r[1] = M[0][1]*v[0] + M[1][1]*v[1] + M[2][1];  in transform()
186     const mat33& M(mMatrix);  in transform()  local
187     r[0] = M[0][0]*v[0] + M[1][0]*v[1] + M[2][0]*v[2];  in transform()
188     r[1] = M[0][1]*v[0] + M[1][1]*v[1] + M[2][1]*v[2];  in transform()
189     r[2] = M[0][2]*v[0] + M[1][2]*v[1] + M[2][2]*v[2];  in transform()
195     const mat33& M(mMatrix);  in transform()  local
254         const mat33& M(mMatrix);  in type()  local
255         const float a = M[0][0];  in type()
256         const float b = M[1][0];  in type()
257         const float c = M[0][1];  in type()
258         const float d = M[1][1];  in type()
259         const float x = M[2][0];  in type()
260         const float y = M[2][1];  in type()