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Diffstat (limited to 'src/libparsec/include/od_trafo.h')
| -rw-r--r-- | src/libparsec/include/od_trafo.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/libparsec/include/od_trafo.h b/src/libparsec/include/od_trafo.h new file mode 100644 index 0000000..044000d --- /dev/null +++ b/src/libparsec/include/od_trafo.h @@ -0,0 +1,62 @@ +/* + * PARSEC HEADER (OBJECT) + * Transformation Types V1.68 + * + * Copyright (c) Markus Hadwiger 1995-1998 + * All Rights Reserved. + */ + +#ifndef _OD_TRAFO_H_ +#define _OD_TRAFO_H_ + + +// generic transformation matrices -------------------------------------------- +// +typedef geomv_t Xmatrx[ 3 ][ 4 ]; // [0 0 0 1] (line 4) omitted! +typedef geomv_t dXmatrx[ 16 ]; // can be used as destination (ofs+4!!) +typedef geomv_t (*pXmatrx)[ 4 ]; // pointer to Xmatrx type +typedef geomv_t Camera[ 3 ][ 4 ]; // position and orientation of camera +typedef geomv_t (*pCamera)[ 4 ]; // pointer to Camera type + +typedef float fMatrx2h[ 3 ][ 3 ]; // float matrix for 2-D (homogeneous) +typedef float fMatrx3h[ 4 ][ 4 ]; // float matrix for 3-D (homogeneous) + + +// easily allocate destination matrix ----------------------------------------- +// +#define ALLOC_DESTXMATRX(x) \ + dXmatrx _##x; pXmatrx x = (pXmatrx) ( (char*)_##x + 4 ) + +//NOTE: +// must not be used like if (.) ALLOC_DESTXMATRX(x). this would make no sense +// and also doesn't work because the macro is not a single statement. + + +// image transformation ------------------------------------------------------- +// +struct imgtrafo_s { + + geomv_t A; + geomv_t B; + geomv_t C; + geomv_t D; + geomv_t E; + geomv_t F; + geomv_t G; + geomv_t H; + geomv_t I; +}; + + +// structure containing both the sine and cosine of a given angle ------------- +// +struct sincosval_s { + + geomv_t sinval; + geomv_t cosval; +}; + + +#endif // _OD_TRAFO_H_ + + |