178 lines
5.6 KiB
C
178 lines
5.6 KiB
C
/*
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* GDI definitions
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*
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* Copyright 1993 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __WINE_GDI_H
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#define __WINE_GDI_H
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#include <stdarg.h>
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#include <windef.h>
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#include <winbase.h>
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#include <wingdi.h>
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#include <wine/wingdi16.h>
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#include <math.h>
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/* GDI objects magic numbers */
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#define FIRST_MAGIC 0x4f47
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#define PEN_MAGIC 0x4f47
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#define BRUSH_MAGIC 0x4f48
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#define FONT_MAGIC 0x4f49
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#define PALETTE_MAGIC 0x4f4a
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#define BITMAP_MAGIC 0x4f4b
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#define REGION_MAGIC 0x4f4c
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#define DC_MAGIC 0x4f4d
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#define DISABLED_DC_MAGIC 0x4f4e
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#define META_DC_MAGIC 0x4f4f
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#define METAFILE_MAGIC 0x4f50
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#define METAFILE_DC_MAGIC 0x4f51
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#define ENHMETAFILE_MAGIC 0x4f52
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#define ENHMETAFILE_DC_MAGIC 0x4f53
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#define MEMORY_DC_MAGIC 0x4f54
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#define LAST_MAGIC 0x4f54
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#define MAGIC_DONTCARE 0xffff
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/* GDI constants for making objects private/system (naming undoc. !) */
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#define OBJECT_PRIVATE 0x2000
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#define OBJECT_NOSYSTEM 0x8000
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#define GDIMAGIC(magic) ((magic) & ~(OBJECT_PRIVATE|OBJECT_NOSYSTEM))
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struct gdi_obj_funcs;
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struct hdc_list;
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typedef struct tagGDIOBJHDR
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{
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HANDLE16 hNext;
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WORD wMagic;
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DWORD dwCount;
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const struct gdi_obj_funcs *funcs;
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struct hdc_list *hdcs;
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} GDIOBJHDR;
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/* It should not be necessary to access the contents of the GdiPath
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* structure directly; if you find that the exported functions don't
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* allow you to do what you want, then please place a new exported
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* function that does this job in path.c.
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*/
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typedef enum tagGdiPathState
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{
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PATH_Null,
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PATH_Open,
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PATH_Closed
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} GdiPathState;
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typedef struct tagGdiPath
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{
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GdiPathState state;
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POINT *pPoints;
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BYTE *pFlags;
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int numEntriesUsed, numEntriesAllocated;
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BOOL newStroke;
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} GdiPath;
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typedef struct tagGdiFont *GdiFont;
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typedef struct { int opaque; } *PHYSDEV; /* PHYSDEV is an opaque pointer */
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typedef struct tagDC
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{
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GDIOBJHDR header;
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HDC hSelf; /* Handle to this DC */
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const struct tagDC_FUNCS *funcs; /* DC function table */
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PHYSDEV physDev; /* Physical device (driver-specific) */
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INT saveLevel;
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DWORD dwHookData;
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FARPROC16 hookProc; /* the original SEGPTR ... */
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DCHOOKPROC hookThunk; /* ... and the thunk to call it */
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INT wndOrgX; /* Window origin */
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INT wndOrgY;
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INT wndExtX; /* Window extent */
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INT wndExtY;
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INT vportOrgX; /* Viewport origin */
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INT vportOrgY;
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INT vportExtX; /* Viewport extent */
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INT vportExtY;
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int flags;
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HRGN hClipRgn; /* Clip region (may be 0) */
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HRGN hVisRgn; /* Visible region (must never be 0) */
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HPEN hPen;
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HBRUSH hBrush;
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HFONT hFont;
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HBITMAP hBitmap;
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HANDLE hDevice;
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HPALETTE hPalette;
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GdiFont gdiFont;
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GdiPath path;
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WORD ROPmode;
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WORD polyFillMode;
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WORD stretchBltMode;
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WORD relAbsMode;
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WORD backgroundMode;
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COLORREF backgroundColor;
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COLORREF textColor;
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COLORREF dcBrushColor;
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COLORREF dcPenColor;
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short brushOrgX;
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short brushOrgY;
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WORD textAlign; /* Text alignment from SetTextAlign() */
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INT charExtra; /* Spacing from SetTextCharacterExtra() */
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INT breakExtra; /* breakTotalExtra / breakCount */
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INT breakRem; /* breakTotalExtra % breakCount */
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INT MapMode;
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INT GraphicsMode; /* Graphics mode */
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ABORTPROC pAbortProc; /* AbortProc for Printing */
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ABORTPROC16 pAbortProc16;
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INT CursPosX; /* Current position */
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INT CursPosY;
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INT ArcDirection;
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XFORM xformWorld2Wnd; /* World-to-window transformation */
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XFORM xformWorld2Vport; /* World-to-viewport transformation */
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XFORM xformVport2World; /* Inverse of the above transformation */
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BOOL vport2WorldValid; /* Is xformVport2World valid? */
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RECT BoundsRect; /* Current bounding rect */
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} DC;
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/* extra stock object: default 1x1 bitmap for memory DCs */
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#define DEFAULT_BITMAP (STOCK_LAST+1)
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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 WINE_UNUSED 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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/* GDI local heap */
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extern void *GDI_GetObjPtr( HGDIOBJ, WORD );
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extern void GDI_ReleaseObj( HGDIOBJ );
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#define WINE_GGO_GRAY16_BITMAP 0x7f
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#endif /* __WINE_GDI_H */
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