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missing updates
svn path=/trunk/; revision=1187
This commit is contained in:
Jason Filby
parent
efd7fbb22e
commit
ea1da2be56
2 changed files with 251 additions and 0 deletions
88
reactos/include/win32k/float.h
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88
reactos/include/win32k/float.h
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typedef struct tagFLOAT_POINT
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{
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FLOAT x, y;
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} FLOAT_POINT;
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/* Rounds a floating point number to integer. The world-to-viewport
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* transformation process is done in floating point internally. This function
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* is then used to round these coordinates to integer values.
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*/
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static inline INT GDI_ROUND(FLOAT val)
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{
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return (int)floor(val + 0.5);
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}
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/* Performs a world-to-viewport transformation on the specified point (which
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* is in floating point format).
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*/
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static inline void INTERNAL_LPTODP_FLOAT(DC *dc, FLOAT_POINT *point)
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{
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FLOAT x, y;
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/* Perform the transformation */
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x = point->x;
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y = point->y;
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point->x = x * dc->w.xformWorld2Vport.eM11 +
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y * dc->w.xformWorld2Vport.eM21 +
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dc->w.xformWorld2Vport.eDx;
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point->y = x * dc->w.xformWorld2Vport.eM12 +
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y * dc->w.xformWorld2Vport.eM22 +
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dc->w.xformWorld2Vport.eDy;
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}
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/* Performs a viewport-to-world transformation on the specified point (which
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* is in integer format). Returns TRUE if successful, else FALSE.
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*/
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static inline BOOL INTERNAL_DPTOLP(DC *dc, LPPOINT point)
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{
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FLOAT_POINT floatPoint;
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/* Perform operation with floating point */
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floatPoint.x=(FLOAT)point->x;
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floatPoint.y=(FLOAT)point->y;
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if (!INTERNAL_DPTOLP_FLOAT(dc, &floatPoint))
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return FALSE;
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/* Round to integers */
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point->x = GDI_ROUND(floatPoint.x);
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point->y = GDI_ROUND(floatPoint.y);
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return TRUE;
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}
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/* Performs a world-to-viewport transformation on the specified point (which
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* is in integer format).
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*/
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static inline void INTERNAL_LPTODP(DC *dc, LPPOINT point)
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{
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FLOAT_POINT floatPoint;
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/* Perform operation with floating point */
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floatPoint.x=(FLOAT)point->x;
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floatPoint.y=(FLOAT)point->y;
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INTERNAL_LPTODP_FLOAT(dc, &floatPoint);
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/* Round to integers */
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point->x = GDI_ROUND(floatPoint.x);
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point->y = GDI_ROUND(floatPoint.y);
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}
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#define XDPTOLP(dc,x) \
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(MulDiv(((x)-(dc)->vportOrgX), (dc)->wndExtX, (dc)->vportExtX) + (dc)->wndOrgX)
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#define YDPTOLP(dc,y) \
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(MulDiv(((y)-(dc)->vportOrgY), (dc)->wndExtY, (dc)->vportExtY) + (dc)->wndOrgY)
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#define XLPTODP(dc,x) \
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(MulDiv(((x)-(dc)->wndOrgX), (dc)->vportExtX, (dc)->wndExtX) + (dc)->vportOrgX)
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#define YLPTODP(dc,y) \
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(MulDiv(((y)-(dc)->wndOrgY), (dc)->vportExtY, (dc)->wndExtY) + (dc)->vportOrgY)
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/* Device <-> logical size conversion */
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#define XDSTOLS(dc,x) \
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MulDiv((x), (dc)->wndExtX, (dc)->vportExtX)
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#define YDSTOLS(dc,y) \
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MulDiv((y), (dc)->wndExtY, (dc)->vportExtY)
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#define XLSTODS(dc,x) \
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MulDiv((x), (dc)->vportExtX, (dc)->wndExtX)
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#define YLSTODS(dc,y) \
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MulDiv((y), (dc)->vportExtY, (dc)->wndExtY)
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163
reactos/include/win32k/math.h
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reactos/include/win32k/math.h
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/*
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* math.h
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*
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* Mathematical functions.
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*
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* This file is part of the Mingw32 package.
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*
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* Contributors:
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* Created by Colin Peters <colin@bird.fu.is.saga-u.ac.jp>
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*
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* THIS SOFTWARE IS NOT COPYRIGHTED
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*
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* This source code is offered for use in the public domain. You may
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* use, modify or distribute it freely.
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*
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* This code is distributed in the hope that it will be useful but
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* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
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* DISCLAMED. This includes but is not limited to warranties of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Revision: 1.1 $
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* $Author: jfilby $
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* $Date: 2000/06/16 20:58:56 $
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*
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*/
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// added modfl
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#ifndef _MATH_H_
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#define _MATH_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* HUGE_VAL is returned by strtod when the value would overflow the
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* representation of 'double'. There are other uses as well.
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*
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* __imp__HUGE is a pointer to the actual variable _HUGE in
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* MSVCRT.DLL. If we used _HUGE directly we would get a pointer
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* to a thunk function.
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*
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* NOTE: The CRTDLL version uses _HUGE_dll instead.
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*/
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#if __MSVCRT__
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extern double* __imp__HUGE;
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#define HUGE_VAL (*__imp__HUGE)
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#else
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/* CRTDLL */
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extern double* _HUGE_dll;
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#define HUGE_VAL (*_HUGE_dll)
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#endif
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#define M_PI 22 / 7
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#define M_PI_2 M_PI * 2
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struct _exception
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{
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int type;
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char *name;
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double arg1;
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double arg2;
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double retval;
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};
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/*
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* Types for the above _exception structure.
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*/
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#define _DOMAIN 1 /* domain error in argument */
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#define _SING 2 /* singularity */
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#define _OVERFLOW 3 /* range overflow */
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#define _UNDERFLOW 4 /* range underflow */
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#define _TLOSS 5 /* total loss of precision */
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#define _PLOSS 6 /* partial loss of precision */
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/*
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* Exception types with non-ANSI names for compatibility.
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*/
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#ifndef __STRICT_ANSI__
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#ifndef _NO_OLDNAMES
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#define DOMAIN _DOMAIN
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#define SING _SING
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#define OVERFLOW _OVERFLOW
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#define UNDERFLOW _UNDERFLOW
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#define TLOSS _TLOSS
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#define PLOSS _PLOSS
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#endif /* Not _NO_OLDNAMES */
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#endif /* Not __STRICT_ANSI__ */
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double sin (double x);
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double cos (double x);
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double tan (double x);
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double sinh (double x);
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double cosh (double x);
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double tanh (double x);
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double asin (double x);
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double acos (double x);
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double atan (double x);
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double atan2 (double y, double x);
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double exp (double x);
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double log (double x);
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double log10 (double x);
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double pow (double x, double y);
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long double powl (long double x,long double y);
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double sqrt (double x);
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double ceil (double x);
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double floor (double x);
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double fabs (double x);
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double ldexp (double x, int n);
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double frexp (double x, int* exp);
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double modf (double x, double* ip);
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long double modfl (long double x,long double* ip);
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double fmod (double x, double y);
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#ifndef __STRICT_ANSI__
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/* Complex number (for cabs) */
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struct _complex
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{
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double x; /* Real part */
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double y; /* Imaginary part */
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};
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double _cabs (struct _complex x);
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double _hypot (double x, double y);
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double _j0 (double x);
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double _j1 (double x);
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double _jn (int n, double x);
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double _y0 (double x);
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double _y1 (double x);
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double _yn (int n, double x);
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#ifndef _NO_OLDNAMES
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/*
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* Non-underscored versions of non-ANSI functions. These reside in
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* liboldnames.a. Provided for extra portability.
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*/
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double cabs (struct _complex x);
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double hypot (double x, double y);
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double j0 (double x);
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double j1 (double x);
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double jn (int n, double x);
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double y0 (double x);
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double y1 (double x);
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double yn (int n, double x);
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#endif /* Not _NO_OLDNAMES */
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#endif /* Not __STRICT_ANSI__ */
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#ifdef __cplusplus
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}
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#endif
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#endif /* Not _MATH_H_ */
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