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wine/include/gdi.h
Marcus Meissner 317af320cf Optimized include/*.h: (recursively) include all headers needed by 
this .h file, but only those. Necessary fixes to a lot of .c files,
started optimizing "windows.h" away from some of them. Moved
GetCurrentTask prototype to wine/winbase16.h.
1999-02-17 13:51:06 +00:00

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/*
* GDI definitions
*
* Copyright 1993 Alexandre Julliard
*/
#ifndef __WINE_GDI_H
#define __WINE_GDI_H
#include "wintypes.h"
#include "wingdi.h"
#include "ldt.h"
#include "local.h"
#include "path.h"
#include <math.h>
/* GDI objects magic numbers */
#define PEN_MAGIC 0x4f47
#define BRUSH_MAGIC 0x4f48
#define FONT_MAGIC 0x4f49
#define PALETTE_MAGIC 0x4f4a
#define BITMAP_MAGIC 0x4f4b
#define REGION_MAGIC 0x4f4c
#define DC_MAGIC 0x4f4d
#define DISABLED_DC_MAGIC 0x4f4e
#define META_DC_MAGIC 0x4f4f
#define METAFILE_MAGIC 0x4f50
#define METAFILE_DC_MAGIC 0x4f51
#define MAGIC_DONTCARE 0xffff
typedef struct tagGDIOBJHDR
{
HANDLE16 hNext;
WORD wMagic;
DWORD dwCount;
} GDIOBJHDR;
typedef struct tagDeviceCaps
{
WORD version; /* 0: driver version */
WORD technology; /* 2: device technology */
WORD horzSize; /* 4: width of display in mm */
WORD vertSize; /* 6: height of display in mm */
WORD horzRes; /* 8: width of display in pixels */
WORD vertRes; /* 10: width of display in pixels */
WORD bitsPixel; /* 12: bits per pixel */
WORD planes; /* 14: color planes */
WORD numBrushes; /* 16: device-specific brushes */
WORD numPens; /* 18: device-specific pens */
WORD numMarkers; /* 20: device-specific markers */
WORD numFonts; /* 22: device-specific fonts */
WORD numColors; /* 24: size of color table */
WORD pdeviceSize; /* 26: size of PDEVICE structure */
WORD curveCaps; /* 28: curve capabilities */
WORD lineCaps; /* 30: line capabilities */
WORD polygonalCaps; /* 32: polygon capabilities */
WORD textCaps; /* 34: text capabilities */
WORD clipCaps; /* 36: clipping capabilities */
WORD rasterCaps; /* 38: raster capabilities */
WORD aspectX; /* 40: relative width of device pixel */
WORD aspectY; /* 42: relative height of device pixel */
WORD aspectXY; /* 44: relative diagonal width of device pixel */
WORD pad1[21]; /* 46-86: reserved */
WORD logPixelsX; /* 88: pixels / logical X inch */
WORD logPixelsY; /* 90: pixels / logical Y inch */
WORD pad2[6]; /* 92-102: reserved */
WORD sizePalette; /* 104: entries in system palette */
WORD numReserved; /* 106: reserved entries */
WORD colorRes; /* 108: color resolution */
} DeviceCaps;
/* Device independent DC information */
typedef struct
{
int flags;
const DeviceCaps *devCaps;
HRGN16 hClipRgn; /* Clip region (may be 0) */
HRGN16 hVisRgn; /* Visible region (must never be 0) */
HRGN16 hGCClipRgn; /* GC clip region (ClipRgn AND VisRgn) */
HPEN16 hPen;
HBRUSH16 hBrush;
HFONT16 hFont;
HBITMAP16 hBitmap;
HBITMAP16 hFirstBitmap; /* Bitmap selected at creation of the DC */
HANDLE16 hDevice;
HPALETTE16 hPalette;
GdiPath path;
WORD ROPmode;
WORD polyFillMode;
WORD stretchBltMode;
WORD relAbsMode;
WORD backgroundMode;
COLORREF backgroundColor;
COLORREF textColor;
short brushOrgX;
short brushOrgY;
WORD textAlign; /* Text alignment from SetTextAlign() */
short charExtra; /* Spacing from SetTextCharacterExtra() */
short breakTotalExtra; /* Total extra space for justification */
short breakCount; /* Break char. count */
short breakExtra; /* breakTotalExtra / breakCount */
short breakRem; /* breakTotalExtra % breakCount */
RECT32 totalExtent;
BYTE bitsPerPixel;
INT32 MapMode;
INT32 GraphicsMode; /* Graphics mode */
INT32 DCOrgX; /* DC origin */
INT32 DCOrgY;
FARPROC16 lpfnPrint; /* AbortProc for Printing */
INT32 CursPosX; /* Current position */
INT32 CursPosY;
INT32 ArcDirection;
XFORM xformWorld2Wnd; /* World-to-window transformation */
XFORM xformWorld2Vport; /* World-to-viewport transformation */
XFORM xformVport2World; /* Inverse of the above transformation */
BOOL32 vport2WorldValid; /* Is xformVport2World valid? */
} WIN_DC_INFO;
typedef struct tagDC
{
GDIOBJHDR header;
HDC32 hSelf; /* Handle to this DC */
const struct tagDC_FUNCS *funcs; /* DC function table */
void *physDev; /* Physical device (driver-specific) */
INT32 saveLevel;
DWORD dwHookData;
FARPROC16 hookProc;
INT32 wndOrgX; /* Window origin */
INT32 wndOrgY;
INT32 wndExtX; /* Window extent */
INT32 wndExtY;
INT32 vportOrgX; /* Viewport origin */
INT32 vportOrgY;
INT32 vportExtX; /* Viewport extent */
INT32 vportExtY;
WIN_DC_INFO w;
} DC;
/* Device functions for the Wine driver interface */
typedef INT32 (*DEVICEFONTENUMPROC)(LPENUMLOGFONT16,LPNEWTEXTMETRIC16,UINT16,LPARAM);
typedef struct tagDC_FUNCS
{
BOOL32 (*pArc)(DC*,INT32,INT32,INT32,INT32,INT32,INT32,INT32,INT32);
BOOL32 (*pBitBlt)(DC*,INT32,INT32,INT32,INT32,DC*,INT32,INT32,DWORD);
LONG (*pBitmapBits)(HBITMAP32,void*,LONG,WORD);
BOOL32 (*pChord)(DC*,INT32,INT32,INT32,INT32,INT32,INT32,INT32,INT32);
BOOL32 (*pCreateBitmap)(HBITMAP32);
BOOL32 (*pCreateDC)(DC*,LPCSTR,LPCSTR,LPCSTR,const DEVMODE16*);
BOOL32 (*pDeleteDC)(DC*);
BOOL32 (*pDeleteObject)(HGDIOBJ32);
BOOL32 (*pEllipse)(DC*,INT32,INT32,INT32,INT32);
BOOL32 (*pEnumDeviceFonts)(DC*,LPLOGFONT16,DEVICEFONTENUMPROC,LPARAM);
INT32 (*pEscape)(DC*,INT32,INT32,SEGPTR,SEGPTR);
INT32 (*pExcludeClipRect)(DC*,INT32,INT32,INT32,INT32);
INT32 (*pExcludeVisRect)(DC*,INT32,INT32,INT32,INT32);
BOOL32 (*pExtFloodFill)(DC*,INT32,INT32,COLORREF,UINT32);
BOOL32 (*pExtTextOut)(DC*,INT32,INT32,UINT32,const RECT32*,LPCSTR,UINT32,const INT32*);
BOOL32 (*pGetCharWidth)(DC*,UINT32,UINT32,LPINT32);
COLORREF (*pGetPixel)(DC*,INT32,INT32);
BOOL32 (*pGetTextExtentPoint)(DC*,LPCSTR,INT32,LPSIZE32);
BOOL32 (*pGetTextMetrics)(DC*,TEXTMETRIC32A*);
INT32 (*pIntersectClipRect)(DC*,INT32,INT32,INT32,INT32);
INT32 (*pIntersectVisRect)(DC*,INT32,INT32,INT32,INT32);
BOOL32 (*pLineTo)(DC*,INT32,INT32);
HANDLE32 (*pLoadOEMResource)(WORD,WORD);
BOOL32 (*pMoveToEx)(DC*,INT32,INT32,LPPOINT32);
INT32 (*pOffsetClipRgn)(DC*,INT32,INT32);
BOOL32 (*pOffsetViewportOrg)(DC*,INT32,INT32);
BOOL32 (*pOffsetWindowOrg)(DC*,INT32,INT32);
BOOL32 (*pPaintRgn)(DC*,HRGN32);
BOOL32 (*pPatBlt)(DC*,INT32,INT32,INT32,INT32,DWORD);
BOOL32 (*pPie)(DC*,INT32,INT32,INT32,INT32,INT32,INT32,INT32,INT32);
BOOL32 (*pPolyPolygon)(DC*,const POINT32*,const INT32*,UINT32);
BOOL32 (*pPolyPolyline)(DC*,const POINT32*,const DWORD*,DWORD);
BOOL32 (*pPolygon)(DC*,const POINT32*,INT32);
BOOL32 (*pPolyline)(DC*,const POINT32*,INT32);
BOOL32 (*pPolyBezier)(DC*,POINT32, const POINT32*,DWORD);
UINT32 (*pRealizePalette)(DC*);
BOOL32 (*pRectangle)(DC*,INT32,INT32,INT32,INT32);
BOOL32 (*pRestoreDC)(DC*,INT32);
BOOL32 (*pRoundRect)(DC*,INT32,INT32,INT32,INT32,INT32,INT32);
INT32 (*pSaveDC)(DC*);
BOOL32 (*pScaleViewportExt)(DC*,INT32,INT32,INT32,INT32);
BOOL32 (*pScaleWindowExt)(DC*,INT32,INT32,INT32,INT32);
INT32 (*pSelectClipRgn)(DC*,HRGN32);
HANDLE32 (*pSelectObject)(DC*,HANDLE32);
HPALETTE32 (*pSelectPalette)(DC*,HPALETTE32,BOOL32);
COLORREF (*pSetBkColor)(DC*,COLORREF);
WORD (*pSetBkMode)(DC*,WORD);
VOID (*pSetDeviceClipping)(DC*);
INT32 (*pSetDIBitsToDevice)(DC*,INT32,INT32,DWORD,DWORD,INT32,INT32,UINT32,UINT32,LPCVOID,const BITMAPINFO*,UINT32);
INT32 (*pSetMapMode)(DC*,INT32);
DWORD (*pSetMapperFlags)(DC*,DWORD);
COLORREF (*pSetPixel)(DC*,INT32,INT32,COLORREF);
WORD (*pSetPolyFillMode)(DC*,WORD);
WORD (*pSetROP2)(DC*,WORD);
WORD (*pSetRelAbs)(DC*,WORD);
WORD (*pSetStretchBltMode)(DC*,WORD);
WORD (*pSetTextAlign)(DC*,WORD);
INT32 (*pSetTextCharacterExtra)(DC*,INT32);
DWORD (*pSetTextColor)(DC*,DWORD);
INT32 (*pSetTextJustification)(DC*,INT32,INT32);
BOOL32 (*pSetViewportExt)(DC*,INT32,INT32);
BOOL32 (*pSetViewportOrg)(DC*,INT32,INT32);
BOOL32 (*pSetWindowExt)(DC*,INT32,INT32);
BOOL32 (*pSetWindowOrg)(DC*,INT32,INT32);
BOOL32 (*pStretchBlt)(DC*,INT32,INT32,INT32,INT32,DC*,INT32,INT32,INT32,INT32,DWORD);
INT32 (*pStretchDIBits)(DC*,INT32,INT32,INT32,INT32,INT32,INT32,INT32,INT32,const void *,const BITMAPINFO *,UINT32,DWORD);
} DC_FUNCTIONS;
/* LoadOEMResource types */
#define OEM_BITMAP 1
#define OEM_CURSOR 2
#define OEM_ICON 3
/* DC hook codes */
#define DCHC_INVALIDVISRGN 0x0001
#define DCHC_DELETEDC 0x0002
#define DCHF_INVALIDATEVISRGN 0x0001
#define DCHF_VALIDATEVISRGN 0x0002
/* DC flags */
#define DC_MEMORY 0x0001 /* It is a memory DC */
#define DC_SAVED 0x0002 /* It is a saved DC */
#define DC_DIRTY 0x0004 /* hVisRgn has to be updated */
#define DC_THUNKHOOK 0x0008 /* DC hook is in the 16-bit code */
/* Last 32 bytes are reserved for stock object handles */
#define GDI_HEAP_SIZE 0xffe0
/* First handle possible for stock objects (must be >= GDI_HEAP_SIZE) */
#define FIRST_STOCK_HANDLE GDI_HEAP_SIZE
/* Stock objects handles */
#define NB_STOCK_OBJECTS (DEFAULT_GUI_FONT + 1)
#define STOCK_WHITE_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+WHITE_BRUSH))
#define STOCK_LTGRAY_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+LTGRAY_BRUSH))
#define STOCK_GRAY_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+GRAY_BRUSH))
#define STOCK_DKGRAY_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+DKGRAY_BRUSH))
#define STOCK_BLACK_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+BLACK_BRUSH))
#define STOCK_NULL_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+NULL_BRUSH))
#define STOCK_HOLLOW_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+HOLLOW_BRUSH))
#define STOCK_WHITE_PEN ((HPEN16)(FIRST_STOCK_HANDLE+WHITE_PEN))
#define STOCK_BLACK_PEN ((HPEN16)(FIRST_STOCK_HANDLE+BLACK_PEN))
#define STOCK_NULL_PEN ((HPEN16)(FIRST_STOCK_HANDLE+NULL_PEN))
#define STOCK_OEM_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+OEM_FIXED_FONT))
#define STOCK_ANSI_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+ANSI_FIXED_FONT))
#define STOCK_ANSI_VAR_FONT ((HFONT16)(FIRST_STOCK_HANDLE+ANSI_VAR_FONT))
#define STOCK_SYSTEM_FONT ((HFONT16)(FIRST_STOCK_HANDLE+SYSTEM_FONT))
#define STOCK_DEVICE_DEFAULT_FONT ((HFONT16)(FIRST_STOCK_HANDLE+DEVICE_DEFAULT_FONT))
#define STOCK_DEFAULT_PALETTE ((HPALETTE16)(FIRST_STOCK_HANDLE+DEFAULT_PALETTE))
#define STOCK_SYSTEM_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+SYSTEM_FIXED_FONT))
#define STOCK_DEFAULT_GUI_FONT ((HFONT16)(FIRST_STOCK_HANDLE+DEFAULT_GUI_FONT))
#define FIRST_STOCK_FONT STOCK_OEM_FIXED_FONT
#define LAST_STOCK_FONT STOCK_DEFAULT_GUI_FONT
#define LAST_STOCK_HANDLE ((DWORD)STOCK_DEFAULT_GUI_FONT)
/* Device <-> logical coords conversion */
/* A floating point version of the POINT structure */
typedef struct tagFLOAT_POINT
{
FLOAT x, y;
} FLOAT_POINT;
/* Rounds a floating point number to integer. The world-to-viewport
* transformation process is done in floating point internally. This function
* is then used to round these coordinates to integer values.
*/
static __inline__ INT32 GDI_ROUND(FLOAT val)
{
return (int)floor(val + 0.5);
}
/* Performs a viewport-to-world transformation on the specified point (which
* is in floating point format). Returns TRUE if successful, else FALSE.
*/
static __inline__ BOOL32 INTERNAL_DPTOLP_FLOAT(DC *dc, FLOAT_POINT *point)
{
FLOAT x, y;
/* Check that the viewport-to-world transformation is valid */
if (!dc->w.vport2WorldValid)
return FALSE;
/* Perform the transformation */
x = point->x;
y = point->y;
point->x = x * dc->w.xformVport2World.eM11 +
y * dc->w.xformVport2World.eM21 +
dc->w.xformVport2World.eDx;
point->y = x * dc->w.xformVport2World.eM12 +
y * dc->w.xformVport2World.eM22 +
dc->w.xformVport2World.eDy;
return TRUE;
}
/* Performs a viewport-to-world transformation on the specified point (which
* is in integer format). Returns TRUE if successful, else FALSE.
*/
static __inline__ BOOL32 INTERNAL_DPTOLP(DC *dc, LPPOINT32 point)
{
FLOAT_POINT floatPoint;
/* Perform operation with floating point */
floatPoint.x=(FLOAT)point->x;
floatPoint.y=(FLOAT)point->y;
if (!INTERNAL_DPTOLP_FLOAT(dc, &floatPoint))
return FALSE;
/* Round to integers */
point->x = GDI_ROUND(floatPoint.x);
point->y = GDI_ROUND(floatPoint.y);
return TRUE;
}
/* Performs a world-to-viewport transformation on the specified point (which
* is in floating point format).
*/
static __inline__ void INTERNAL_LPTODP_FLOAT(DC *dc, FLOAT_POINT *point)
{
FLOAT x, y;
/* Perform the transformation */
x = point->x;
y = point->y;
point->x = x * dc->w.xformWorld2Vport.eM11 +
y * dc->w.xformWorld2Vport.eM21 +
dc->w.xformWorld2Vport.eDx;
point->y = x * dc->w.xformWorld2Vport.eM12 +
y * dc->w.xformWorld2Vport.eM22 +
dc->w.xformWorld2Vport.eDy;
}
/* Performs a world-to-viewport transformation on the specified point (which
* is in integer format).
*/
static __inline__ void INTERNAL_LPTODP(DC *dc, LPPOINT32 point)
{
FLOAT_POINT floatPoint;
/* Perform operation with floating point */
floatPoint.x=(FLOAT)point->x;
floatPoint.y=(FLOAT)point->y;
INTERNAL_LPTODP_FLOAT(dc, &floatPoint);
/* Round to integers */
point->x = GDI_ROUND(floatPoint.x);
point->y = GDI_ROUND(floatPoint.y);
}
#define XDPTOLP(dc,x) \
(((x)-(dc)->vportOrgX) * (dc)->wndExtX / (dc)->vportExtX+(dc)->wndOrgX)
#define YDPTOLP(dc,y) \
(((y)-(dc)->vportOrgY) * (dc)->wndExtY / (dc)->vportExtY+(dc)->wndOrgY)
#define XLPTODP(dc,x) \
(((x)-(dc)->wndOrgX) * (dc)->vportExtX / (dc)->wndExtX+(dc)->vportOrgX)
#define YLPTODP(dc,y) \
(((y)-(dc)->wndOrgY) * (dc)->vportExtY / (dc)->wndExtY+(dc)->vportOrgY)
/* Device <-> logical size conversion */
#define XDSTOLS(dc,x) \
((x) * (dc)->wndExtX / (dc)->vportExtX)
#define YDSTOLS(dc,y) \
((y) * (dc)->wndExtY / (dc)->vportExtY)
#define XLSTODS(dc,x) \
((x) * (dc)->vportExtX / (dc)->wndExtX)
#define YLSTODS(dc,y) \
((y) * (dc)->vportExtY / (dc)->wndExtY)
/* GDI local heap */
extern WORD GDI_HeapSel;
#define GDI_HEAP_ALLOC(size) \
LOCAL_Alloc( GDI_HeapSel, LMEM_FIXED, (size) )
#define GDI_HEAP_ALLOC_MOVEABLE(size) \
LOCAL_Alloc( GDI_HeapSel, LMEM_MOVEABLE, (size) )
#define GDI_HEAP_REALLOC(handle,size) \
LOCAL_ReAlloc( GDI_HeapSel, (handle), (size), LMEM_FIXED )
#define GDI_HEAP_FREE(handle) \
LOCAL_Free( GDI_HeapSel, (handle) )
#define GDI_HEAP_LOCK(handle) \
LOCAL_Lock( GDI_HeapSel, (handle) )
#define GDI_HEAP_LOCK_SEGPTR(handle) \
LOCAL_LockSegptr( GDI_HeapSel, (handle) )
#define GDI_HEAP_UNLOCK(handle) \
((((HGDIOBJ16)(handle) >= FIRST_STOCK_HANDLE) && \
((HGDIOBJ16)(handle)<=LAST_STOCK_HANDLE)) ? \
0 : LOCAL_Unlock( GDI_HeapSel, (handle) ))
extern BOOL32 GDI_Init(void);
extern HGDIOBJ16 GDI_AllocObject( WORD, WORD );
extern BOOL32 GDI_FreeObject( HGDIOBJ16 );
extern GDIOBJHDR * GDI_GetObjPtr( HGDIOBJ16, WORD );
extern BOOL32 DRIVER_RegisterDriver( LPCSTR name, const DC_FUNCTIONS *funcs );
extern const DC_FUNCTIONS *DRIVER_FindDriver( LPCSTR name );
extern BOOL32 DRIVER_UnregisterDriver( LPCSTR name );
#endif /* __WINE_GDI_H */
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