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/*****************************************************************************/
/* */
/* EXTENDED HDC */
/* */
/* Abstract: extends existing WIN32's HDC ( styled lines drawing etc. ) */
/* Note : use it only in Windows 95 since Windows NT provides these */
/* functionalities */
/* */
/* History : JAN-1998 EUG ( creation ) */
/* */
/*****************************************************************************/
#ifndef __EHDC_HXX
# define __EHDC_HXX
# ifndef __cplusplus
# error "C++ compiler required for EHDC stuff"
# endif /* __cplusplus */
# ifndef _WINDOWS_
# ifndef STRICT
# define STRICT
# endif /* STRICT */
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
# include <windowsx.h>
# endif /* WIN32_LEAN_AND_MEAN */
# endif /* _WINDOWS_ */
# define ARCF_PIE 0x00000001
# define ARCF_CHORD 0x00000002
# define POLYF_NOEDGE 0x00000001
# define POLYF_NOCLOSEDGE 0x00000002
# define EHDCF_XFORM 0x00000001
# define EHDCF_EPEN 0x00000002
# define EHDCF_JOIN 0x00000004
# define EHDCF_PDRAW 0x00000008
# define EHDCF_CJOIN 0x00000010
# define EHDCF_NJOIN 0x00000020
# define EHDCF_JBEVL 0x00000040
# define EHDCF_SFREE 0x80000000
# define EHDCF_TPATH 0x40000000
# define EHDCF_TREG 0x20000000
# define EHDCF_PPUSH 0x10000000
# define EHDCF_BPUSH 0x08000000
# define EHDCF_DDAF 0x04000000
class EHDC { /* defined extended HDC */
public:
EHDC ( HDC, PSIZE ); /* constructor */
EHDC (); /* yet another one */
~EHDC (); /* destructor */
/*****************/
/* DC MANAGEMENT */
/*****************/
void SetDC ( HDC, PSIZE );
/* sets WIN32's DC for graphics operations */
HDC Hdc ( void ) { return myHDC; }
/* returns WIN32's HDC */
HBRUSH SelectEPen ( DWORD, CONST LOGBRUSH*, DWORD, DWORD*, BOOL = FALSE );
/* selects pen for line drawing */
void SelectEPen ( DWORD, CONST LOGBRUSH* );
/* selects pen for line drawing ( old one is saved ) */
HPEN SelectEPen ( HPEN );
/* selects pen for line drawing */
void SelectEBrush ( PLOGBRUSH, PLOGBRUSH = NULL );
/* selects brush for polygon filling */
int SetPolyFillMode ( int aMode ) { return ::SetPolyFillMode ( myHDC, aMode ); }
/* sets polygon fill mode */
BOOL Miter ( void ) { return !( myFlags & EHDCF_JBEVL ); }
/* checks for line join style */
void SetMiter ( BOOL );
/* sets line join style */
void Extent ( PSIZE psz ) { *psz = mySize; }
/* Retrieves viewport extents */
/*******************/
/* DRAWING METHODS */
/*******************/
void MoveToEx ( int, int, LPPOINT );
/* moves current point and begins a new path */
BOOL LineTo ( int, int );
/* draws a segment from current position and */
/* updates this position */
void ClosePath ( void );
/* closes current path */
void Polyline ( CONST POINT*, int, BOOL = FALSE );
/* draws a polyline ( path and current position */
/* are unchanged ) */
void Polygon ( CONST POINT*, int, DWORD = 0 );
/* draws a filled polygon ( path and current position */
/* are unchanged ) */
/* Note: specify n - 1 points in parameters */
void Arc ( int, int, int, int, double = 0.0, double = 6.283185, DWORD = 0 );
/* Draws an arc ( path and current position */
/* are unchanged ) */
void Polyarc ( int, int, int, int, double = 0.0, double = 6.283185, BOOL = TRUE );
/* draws a polyarc ( path and current position */
/* are unchanged ) */
void SetPixel ( int, int, COLORREF );
/* draws single pixel */
/****************/
/* TEXT METHODS */
/****************/
void SetTextColor ( COLORREF );
void SetTextAttrib ( COLORREF, HFONT, double = 0.0, double = 1.0, double = 1.0 );
void ETextOut ( int, int, char*, double = 0.0, BOOL = FALSE );
void ETextOut ( int, int, wchar_t*, double = 0.0, BOOL = FALSE );
void PolyTextOut (
int, int, char*, double = 0.0, double = 0.1, BOOL = FALSE, BOOL = FALSE,
BOOL = FALSE
);
void PolyTextOut (
int, int, wchar_t*, double = 0.0, double = 0.1, BOOL = FALSE, BOOL = FALSE,
BOOL = FALSE
);
/**************************/
/* TRANSFORMATION METHODS */
/**************************/
void SetWorldTransform ( XFORM* );
void ModifyWorldTransform ( XFORM*, DWORD );
void GetWorldTransform ( XFORM* xf ) { *xf = myXform; }
void Transform ( LPPOINT, int );
/**************************/
/* UPDATED REGION METHODS */
/**************************/
void ResetURect ( void );
void SetURect ( LPRECT lpRect ) { myURect = *lpRect; }
void GetURect ( LPRECT );
void Register ( LPPOINT, int );
protected:
void _Init ( void );
void _DrawTo ( PPOINT );
void _Join ( void );
BOOL _DrawToEx ( PPOINT );
void _LineTo ( PPOINT );
void _ETextOut ( int, int, void*, double = 0.0, BOOL = FALSE, BOOL = FALSE );
void _PolyTextOut (
int, int, void*, double = 0.0, double = 0.1,
BOOL = FALSE, BOOL = FALSE, BOOL = FALSE, BOOL = FALSE
);
HDC myHDC;
POINT myStart;
POINT myClose;
POINT myA, myB;
POINT myJoin;
POINT myCJoin;
XFORM myXform;
DWORD myFlags;
PPOINT myTextPath;
PBYTE myTextType;
DWORD myTextNP;
DWORD myTextBS;
HPEN myTextPen;
HBRUSH myTextBrush;
HFONT myTextFont;
double myTextSlant;
double myTextHScale;
double myTextVScale;
DWORD myPWidth, myPWPush;
HPEN myPPen, myPPenPush;
HBRUSH myPBrush, myPBrushPush;
BOOL myfXpenPush;
PDWORD myPStyle;
DWORD myPNS;
DWORD myPBS;
DWORD myPIndex;
DWORD myPRlen;
RECT myURect;
HBRUSH myBrush, myBrushPush;
HBRUSH myOBrush;
SIZE mySize;
PPOINT myDDA1;
PPOINT myDDA2;
DWORD myNDDA;
DWORD myIDDA;
friend VOID CALLBACK ___auxDDAF ( int, int, LPARAM );
};
#endif /* __EHDC_HXX */
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