/*
* GDI definitions
*
* Copyright 1993 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __WINE_GDI_H
#define __WINE_GDI_H
#include "windef.h"
#include "wingdi.h"
#include "wine/wingdi16.h"
#include "path.h"
#include <math.h>
/* GDI objects magic numbers */
#define FIRST_MAGIC 0x4f47
#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 ENHMETAFILE_MAGIC 0x4f52
#define ENHMETAFILE_DC_MAGIC 0x4f53
#define LAST_MAGIC 0x4f53
#define MAGIC_DONTCARE 0xffff
/* GDI constants for making objects private/system (naming undoc. !) */
#define OBJECT_PRIVATE 0x2000
#define OBJECT_NOSYSTEM 0x8000
#define GDIMAGIC(magic) ((magic) & ~(OBJECT_PRIVATE|OBJECT_NOSYSTEM))
struct gdi_obj_funcs
{
HGDIOBJ (*pSelectObject)( HGDIOBJ handle, void *obj, HDC hdc );
INT (*pGetObject16)( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );
INT (*pGetObjectA)( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );
INT (*pGetObjectW)( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );
BOOL (*pUnrealizeObject)( HGDIOBJ handle, void *obj );
BOOL (*pDeleteObject)( HGDIOBJ handle, void *obj );
};
typedef struct tagGDIOBJHDR
{
HANDLE16 hNext;
WORD wMagic;
DWORD dwCount;
const struct gdi_obj_funcs *funcs;
} GDIOBJHDR;
typedef struct tagGdiFont *GdiFont;
typedef struct { int opaque; } *PHYSDEV; /* PHYSDEV is an opaque pointer */
typedef struct tagDC
{
GDIOBJHDR header;
HDC hSelf; /* Handle to this DC */
const struct tagDC_FUNCS *funcs; /* DC function table */
PHYSDEV physDev; /* Physical device (driver-specific) */
INT saveLevel;
DWORD dwHookData;
FARPROC16 hookProc; /* the original SEGPTR ... */
DCHOOKPROC hookThunk; /* ... and the thunk to call it */
INT wndOrgX; /* Window origin */
INT wndOrgY;
INT wndExtX; /* Window extent */
INT wndExtY;
INT vportOrgX; /* Viewport origin */
INT vportOrgY;
INT vportExtX; /* Viewport extent */
INT vportExtY;
int flags;
HRGN hClipRgn; /* Clip region (may be 0) */
HRGN hVisRgn; /* Visible region (must never be 0) */
HRGN hGCClipRgn; /* GC clip region (ClipRgn AND VisRgn) */
HPEN hPen;
HBRUSH hBrush;
HFONT hFont;
HBITMAP hBitmap;
HANDLE hDevice;
HPALETTE hPalette;
GdiFont gdiFont;
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 */
RECT totalExtent;
BYTE bitsPerPixel;
INT MapMode;
INT GraphicsMode; /* Graphics mode */
ABORTPROC pAbortProc; /* AbortProc for Printing */
ABORTPROC16 pAbortProc16;
INT CursPosX; /* Current position */
INT CursPosY;
INT ArcDirection;
XFORM xformWorld2Wnd; /* World-to-window transformation */
XFORM xformWorld2Vport; /* World-to-viewport transformation */
XFORM xformVport2World; /* Inverse of the above transformation */
BOOL vport2WorldValid; /* Is xformVport2World valid? */
} DC;
/* Device functions for the Wine driver interface */
typedef INT (*DEVICEFONTENUMPROC)(LPENUMLOGFONTEXW,LPNEWTEXTMETRICEXW,DWORD,
LPARAM);
typedef struct tagDC_FUNCS
{
INT (*pAbortDoc)(PHYSDEV);
BOOL (*pAbortPath)(PHYSDEV);
BOOL (*pAngleArc)(PHYSDEV,INT,INT,DWORD,FLOAT,FLOAT);
BOOL (*pArc)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
BOOL (*pArcTo)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
BOOL (*pBeginPath)(PHYSDEV);
BOOL (*pBitBlt)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,DWORD);
INT (*pChoosePixelFormat)(PHYSDEV,const PIXELFORMATDESCRIPTOR *);
BOOL (*pChord)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
BOOL (*pCloseFigure)(PHYSDEV);
BOOL (*pCreateBitmap)(PHYSDEV,HBITMAP);
BOOL (*pCreateDC)(DC *,PHYSDEV *,LPCSTR,LPCSTR,LPCSTR,const DEVMODEA*);
HBITMAP (*pCreateDIBSection)(PHYSDEV,BITMAPINFO *,UINT,LPVOID *,HANDLE,DWORD,DWORD);
BOOL (*pDeleteBitmap)(HBITMAP);
BOOL (*pDeleteDC)(PHYSDEV);
INT (*pDescribePixelFormat)(PHYSDEV,INT,UINT,PIXELFORMATDESCRIPTOR *);
DWORD (*pDeviceCapabilities)(LPSTR,LPCSTR,LPCSTR,WORD,LPSTR,LPDEVMODEA);
BOOL (*pEllipse)(PHYSDEV,INT,INT,INT,INT);
INT (*pEndDoc)(PHYSDEV);
INT (*pEndPage)(PHYSDEV);
BOOL (*pEndPath)(PHYSDEV);
BOOL (*pEnumDeviceFonts)(PHYSDEV,LPLOGFONTW,DEVICEFONTENUMPROC,LPARAM);
INT (*pExcludeClipRect)(PHYSDEV,INT,INT,INT,INT);
INT (*pExtDeviceMode)(LPSTR,HWND,LPDEVMODEA,LPSTR,LPSTR,LPDEVMODEA,LPSTR,DWORD);
INT (*pExtEscape)(PHYSDEV,INT,INT,LPCVOID,INT,LPVOID);
BOOL (*pExtFloodFill)(PHYSDEV,INT,INT,COLORREF,UINT);
INT (*pExtSelectClipRgn)(PHYSDEV,HRGN,INT);
BOOL (*pExtTextOut)(PHYSDEV,INT,INT,UINT,const RECT*,LPCWSTR,UINT,const INT*);
BOOL (*pFillPath)(PHYSDEV);
BOOL (*pFillRgn)(PHYSDEV,HRGN,HBRUSH);
BOOL (*pFlattenPath)(PHYSDEV);
BOOL (*pFrameRgn)(PHYSDEV,HRGN,HBRUSH,INT,INT);
LONG (*pGetBitmapBits)(HBITMAP,void*,LONG);
BOOL (*pGetCharWidth)(PHYSDEV,UINT,UINT,LPINT);
BOOL (*pGetDCOrgEx)(PHYSDEV,LPPOINT);
UINT (*pGetDIBColorTable)(PHYSDEV,UINT,UINT,RGBQUAD*);
INT (*pGetDIBits)(PHYSDEV,HBITMAP,UINT,UINT,LPVOID,BITMAPINFO*,UINT);
INT (*pGetDeviceCaps)(PHYSDEV,INT);
BOOL (*pGetDeviceGammaRamp)(PHYSDEV,LPVOID);
COLORREF (*pGetNearestColor)(PHYSDEV,COLORREF);
COLORREF (*pGetPixel)(PHYSDEV,INT,INT);
INT (*pGetPixelFormat)(PHYSDEV);
UINT (*pGetSystemPaletteEntries)(PHYSDEV,UINT,UINT,LPPALETTEENTRY);
BOOL (*pGetTextExtentPoint)(PHYSDEV,LPCWSTR,INT,LPSIZE);
BOOL (*pGetTextMetrics)(PHYSDEV,TEXTMETRICW*);
INT (*pIntersectClipRect)(PHYSDEV,INT,INT,INT,INT);
BOOL (*pInvertRgn)(PHYSDEV,HRGN);
BOOL (*pLineTo)(PHYSDEV,INT,INT);
BOOL (*pMoveTo)(PHYSDEV,INT,INT);
INT (*pOffsetClipRgn)(PHYSDEV,INT,INT);
INT (*pOffsetViewportOrg)(PHYSDEV,INT,INT);
INT (*pOffsetWindowOrg)(PHYSDEV,INT,INT);
BOOL (*pPaintRgn)(PHYSDEV,HRGN);
BOOL (*pPatBlt)(PHYSDEV,INT,INT,INT,INT,DWORD);
BOOL (*pPie)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT);
BOOL (*pPolyBezier)(PHYSDEV,const POINT*,DWORD);
BOOL (*pPolyBezierTo)(PHYSDEV,const POINT*,DWORD);
BOOL (*pPolyDraw)(PHYSDEV,const POINT*,const BYTE *,DWORD);
BOOL (*pPolyPolygon)(PHYSDEV,const POINT*,const INT*,UINT);
BOOL (*pPolyPolyline)(PHYSDEV,const POINT*,const DWORD*,DWORD);
BOOL (*pPolygon)(PHYSDEV,const POINT*,INT);
BOOL (*pPolyline)(PHYSDEV,const POINT*,INT);
BOOL (*pPolylineTo)(PHYSDEV,const POINT*,INT);
UINT (*pRealizeDefaultPalette)(PHYSDEV);
UINT (*pRealizePalette)(PHYSDEV,HPALETTE,BOOL);
BOOL (*pRectangle)(PHYSDEV,INT,INT,INT,INT);
HDC (*pResetDC)(PHYSDEV,const DEVMODEA*);
BOOL (*pRestoreDC)(PHYSDEV,INT);
BOOL (*pRoundRect)(PHYSDEV,INT,INT,INT,INT,INT,INT);
INT (*pSaveDC)(PHYSDEV);
INT (*pScaleViewportExt)(PHYSDEV,INT,INT,INT,INT);
INT (*pScaleWindowExt)(PHYSDEV,INT,INT,INT,INT);
HBITMAP (*pSelectBitmap)(PHYSDEV,HBITMAP);
HBRUSH (*pSelectBrush)(PHYSDEV,HBRUSH);
BOOL (*pSelectClipPath)(PHYSDEV,INT);
HFONT (*pSelectFont)(PHYSDEV,HFONT);
HPALETTE (*pSelectPalette)(PHYSDEV,HPALETTE,BOOL);
HPEN (*pSelectPen)(PHYSDEV,HPEN);
LONG (*pSetBitmapBits)(HBITMAP,const void*,LONG);
COLORREF (*pSetBkColor)(PHYSDEV,COLORREF);
INT (*pSetBkMode)(PHYSDEV,INT);
DWORD (*pSetDCOrg)(PHYSDEV,INT,INT);
UINT (*pSetDIBColorTable)(PHYSDEV,UINT,UINT,const RGBQUAD*);
INT (*pSetDIBits)(PHYSDEV,HBITMAP,UINT,UINT,LPCVOID,const BITMAPINFO*,UINT);
INT (*pSetDIBitsToDevice)(PHYSDEV,INT,INT,DWORD,DWORD,INT,INT,UINT,UINT,LPCVOID,
const BITMAPINFO*,UINT);
VOID (*pSetDeviceClipping)(PHYSDEV,HRGN);
BOOL (*pSetDeviceGammaRamp)(PHYSDEV,LPVOID);
INT (*pSetMapMode)(PHYSDEV,INT);
DWORD (*pSetMapperFlags)(PHYSDEV,DWORD);
COLORREF (*pSetPixel)(PHYSDEV,INT,INT,COLORREF);
BOOL (*pSetPixelFormat)(PHYSDEV,INT,const PIXELFORMATDESCRIPTOR *);
INT (*pSetPolyFillMode)(PHYSDEV,INT);
INT (*pSetROP2)(PHYSDEV,INT);
INT (*pSetRelAbs)(PHYSDEV,INT);
INT (*pSetStretchBltMode)(PHYSDEV,INT);
UINT (*pSetTextAlign)(PHYSDEV,UINT);
INT (*pSetTextCharacterExtra)(PHYSDEV,INT);
DWORD (*pSetTextColor)(PHYSDEV,DWORD);
INT (*pSetTextJustification)(PHYSDEV,INT,INT);
INT (*pSetViewportExt)(PHYSDEV,INT,INT);
INT (*pSetViewportOrg)(PHYSDEV,INT,INT);
INT (*pSetWindowExt)(PHYSDEV,INT,INT);
INT (*pSetWindowOrg)(PHYSDEV,INT,INT);
INT (*pStartDoc)(PHYSDEV,const DOCINFOA*);
INT (*pStartPage)(PHYSDEV);
BOOL (*pStretchBlt)(PHYSDEV,INT,INT,INT,INT,PHYSDEV,INT,INT,INT,INT,DWORD);
INT (*pStretchDIBits)(PHYSDEV,INT,INT,INT,INT,INT,INT,INT,INT,const void *,
const BITMAPINFO*,UINT,DWORD);
BOOL (*pStrokeAndFillPath)(PHYSDEV);
BOOL (*pStrokePath)(PHYSDEV);
BOOL (*pSwapBuffers)(PHYSDEV);
BOOL (*pWidenPath)(PHYSDEV);
} DC_FUNCTIONS;
/* Certain functions will do no further processing if the driver returns this.
Used by mfdrv for example. */
#define GDI_NO_MORE_WORK 2
/* 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 */
#define GDI_HEAP_SIZE 0xffe0
/* extra stock object: default 1x1 bitmap for memory DCs */
#define DEFAULT_BITMAP (STOCK_LAST+1)
/* Metafile defines */
#define META_EOF 0x0000
/* values of mtType in METAHEADER. Note however that the disk image of a disk
based metafile has mtType == 1 */
#define METAFILE_MEMORY 1
#define METAFILE_DISK 2
/* 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 INT WINE_UNUSED GDI_ROUND(FLOAT val)
{
return (int)floor(val + 0.5);
}
/* World -> Device size conversion */
/* Performs a world-to-viewport transformation on the specified width (which
* is in floating point format).
*/
static inline void WINE_UNUSED INTERNAL_XWSTODS_FLOAT(DC *dc, FLOAT *width)
{
/* Perform the transformation */
*width = *width * dc->xformWorld2Vport.eM11;
}
/* Performs a world-to-viewport transformation on the specified width (which
* is in integer format).
*/
static inline INT WINE_UNUSED INTERNAL_XWSTODS(DC *dc, INT width)
{
FLOAT floatWidth;
/* Perform operation with floating point */
floatWidth = (FLOAT)width;
INTERNAL_XWSTODS_FLOAT(dc, &floatWidth);
/* Round to integers */
return GDI_ROUND(floatWidth);
}
/* Performs a world-to-viewport transformation on the specified size (which
* is in floating point format).
*/
static inline void WINE_UNUSED INTERNAL_YWSTODS_FLOAT(DC *dc, FLOAT *height)
{
/* Perform the transformation */
*height = *height * dc->xformWorld2Vport.eM22;
}
/* Performs a world-to-viewport transformation on the specified size (which
* is in integer format).
*/
static inline INT WINE_UNUSED INTERNAL_YWSTODS(DC *dc, INT height)
{
FLOAT floatHeight;
/* Perform operation with floating point */
floatHeight = (FLOAT)height;
INTERNAL_YWSTODS_FLOAT(dc, &floatHeight);
/* Round to integers */
return GDI_ROUND(floatHeight);
}
/* Device -> World size conversion */
/* Performs a device to world transformation on the specified width (which
* is in floating point format).
*/
static inline void INTERNAL_XDSTOWS_FLOAT(DC *dc, FLOAT *width)
{
/* Perform the transformation */
*width = *width * dc->xformVport2World.eM11;
}
/* Performs a device to world transformation on the specified width (which
* is in integer format).
*/
static inline INT INTERNAL_XDSTOWS(DC *dc, INT width)
{
FLOAT floatWidth;
/* Perform operation with floating point */
floatWidth = (FLOAT)width;
INTERNAL_XDSTOWS_FLOAT(dc, &floatWidth);
/* Round to integers */
return GDI_ROUND(floatWidth);
}
/* Performs a device to world transformation on the specified size (which
* is in floating point format).
*/
static inline void INTERNAL_YDSTOWS_FLOAT(DC *dc, FLOAT *height)
{
/* Perform the transformation */
*height = *height * dc->xformVport2World.eM22;
}
/* Performs a device to world transformation on the specified size (which
* is in integer format).
*/
static inline INT INTERNAL_YDSTOWS(DC *dc, INT height)
{
FLOAT floatHeight;
/* Perform operation with floating point */
floatHeight = (FLOAT)height;
INTERNAL_YDSTOWS_FLOAT(dc, &floatHeight);
/* Round to integers */
return GDI_ROUND(floatHeight);
}
/* Device <-> logical size conversion */
#define XDSTOLS(dc,x) \
MulDiv((x), (dc)->wndExtX, (dc)->vportExtX)
#define YDSTOLS(dc,y) \
MulDiv((y), (dc)->wndExtY, (dc)->vportExtY)
#define XLSTODS(dc,x) \
MulDiv((x), (dc)->vportExtX, (dc)->wndExtX)
#define YLSTODS(dc,y) \
MulDiv((y), (dc)->vportExtY, (dc)->wndExtY)
/* GDI local heap */
extern BOOL GDI_Init(void);
extern void *GDI_AllocObject( WORD, WORD, HGDIOBJ *, const struct gdi_obj_funcs *funcs );
extern void *GDI_ReallocObject( WORD, HGDIOBJ, void *obj );
extern BOOL GDI_FreeObject( HGDIOBJ, void *obj );
extern void *GDI_GetObjPtr( HGDIOBJ, WORD );
extern void GDI_ReleaseObj( HGDIOBJ );
extern void GDI_CheckNotLock(void);
extern const DC_FUNCTIONS *DRIVER_load_driver( LPCSTR name );
extern const DC_FUNCTIONS *DRIVER_get_driver( const DC_FUNCTIONS *funcs );
extern void DRIVER_release_driver( const DC_FUNCTIONS *funcs );
extern BOOL DRIVER_GetDriverName( LPCSTR device, LPSTR driver, DWORD size );
extern POINT *GDI_Bezier( const POINT *Points, INT count, INT *nPtsOut );
extern DC * DC_AllocDC( const DC_FUNCTIONS *funcs );
extern DC * DC_GetDCPtr( HDC hdc );
extern DC * DC_GetDCUpdate( HDC hdc );
extern void DC_InitDC( DC * dc );
extern void DC_UpdateXforms( DC * dc );
/* clipping.c */
extern void CLIPPING_UpdateGCRegion( DC * dc );
/* enhmetafile.c */
extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk );
/* metafile.c */
extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh);
extern HMETAFILE16 MF_Create_HMETAFILE16(METAHEADER *mh);
extern METAHEADER *MF_CreateMetaHeaderDisk(METAHEADER *mr, LPCSTR filename);
/* region.c */
extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y );
/* palette.c */
extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg);
extern UINT WINAPI GDIRealizePalette( HDC hdc );
#define WINE_GGO_GRAY16_BITMAP 0x7f
#endif /* __WINE_GDI_H */