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/*
* 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_
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