| #include "port.h" | |
| /* | |
| Types for fast 2D Manhattan transformation package. | |
| Copyright Ken Keller 1981 | |
| */ | |
| #define TSTKSIZE 100 | |
| typedef struct MT { | |
| /*Transformation stack pointer.*/ | |
| int sp; | |
| /*Transformation stack.*/ | |
| int stk[TSTKSIZE][3][3]; | |
| /*Current transform.*/ | |
| int t[3][3]; | |
| /*Inverse of current transform.*/ | |
| int ti[3][3]; } | |
| MT ; | |
| extern MT *MTBegin(); |