reactos/subsys/win32k/include/dc.h

   1
   2 #ifndef __WIN32K_DC_H
   3 #define __WIN32K_DC_H
   4
   5 #include "driver.h"
   6
   7 typedef enum tagGdiPathState
   8 {
   9    PATH_Null,
  10    PATH_Open,
  11    PATH_Closed
  12 } GdiPathState;
  13
  14 typedef struct tagGdiPath
  15 {
  16    GdiPathState state;
  17    POINT      *pPoints;
  18    BYTE         *pFlags;
  19    int          numEntriesUsed, numEntriesAllocated;
  20    BOOL       newStroke;
  21 } GdiPath;
  22
  23 typedef struct _WIN_DC_INFO
  24 {
  25   int  flags;
  26   HRGN  hClipRgn;     /* Clip region (may be 0) */
  27   HRGN  hVisRgn;      /* Visible region (must never be 0) */
  28   HRGN  hGCClipRgn;   /* GC clip region (ClipRgn AND VisRgn) */
  29   HPEN  hPen;
  30   HBRUSH  hBrush;
  31   HFONT  hFont;
  32   HBITMAP  hBitmap;
  33   HBITMAP  hFirstBitmap; /* Bitmap selected at creation of the DC */
  34
  35 /* #if 0 */
  36     HANDLE      hDevice;
  37     HPALETTE    hPalette;
  38
  39     GdiPath       path;
  40 /* #endif */
  41
  42   WORD  ROPmode;
  43   WORD  polyFillMode;
  44   WORD  stretchBltMode;
  45   WORD  relAbsMode;
  46   WORD  backgroundMode;
  47   COLORREF  backgroundColor;
  48   COLORREF  textColor;
  49
  50   short  brushOrgX;
  51   short  brushOrgY;
  52
  53   WORD  textAlign;         /* Text alignment from SetTextAlign() */
  54   short  charExtra;         /* Spacing from SetTextCharacterExtra() */
  55   short  breakTotalExtra;   /* Total extra space for justification */
  56   short  breakCount;        /* Break char. count */
  57   short  breakExtra;        /* breakTotalExtra / breakCount */
  58   short  breakRem;          /* breakTotalExtra % breakCount */
  59
  60   RECT   totalExtent;
  61   BYTE   bitsPerPixel;
  62
  63   INT  MapMode;
  64   INT  GraphicsMode;      /* Graphics mode */
  65   INT  DCOrgX;            /* DC origin */
  66   INT  DCOrgY;
  67
  68 #if 0
  69     FARPROC     lpfnPrint;         /* AbortProc for Printing */
  70 #endif
  71
  72   INT  CursPosX;          /* Current position */
  73   INT  CursPosY;
  74   INT  ArcDirection;
  75
  76   XFORM  xformWorld2Wnd;    /* World-to-window transformation */
  77   XFORM  xformWorld2Vport;  /* World-to-viewport transformation */
  78   XFORM  xformVport2World;  /* Inverse of the above transformation */
  79   BOOL  vport2WorldValid;  /* Is xformVport2World valid? */
  80 } WIN_DC_INFO;
  81
  82   /* DC flags */
  83 #define DC_MEMORY     0x0001   /* It is a memory DC */
  84 #define DC_SAVED      0x0002   /* It is a saved DC */
  85 #define DC_DIRTY      0x0004   /* hVisRgn has to be updated */
  86 #define DC_THUNKHOOK  0x0008   /* DC hook is in the 16-bit code */
  87
  88 #define  GDI_DC_TYPE  (1)
  89
  90 typedef struct _DC
  91 {
  92   HDC  hSelf;
  93   HDC  hNext;
  94   DHPDEV  PDev;
  95   HSURF  FillPatternSurfaces[HS_DDI_MAX];
  96   PGDIINFO  GDIInfo;
  97   PDEVINFO  DevInfo;
  98   HDEV   GDIDevice;
  99
 100   DRIVER_FUNCTIONS  DriverFunctions;
 101   UNICODE_STRING    DriverName;
 102   HANDLE  DeviceDriver;
 103
 104   INT  wndOrgX;          /* Window origin */
 105   INT  wndOrgY;
 106   INT  wndExtX;          /* Window extent */
 107   INT  wndExtY;
 108   INT  vportOrgX;        /* Viewport origin */
 109   INT  vportOrgY;
 110   INT  vportExtX;        /* Viewport extent */
 111   INT  vportExtY;
 112
 113   CLIPOBJ *CombinedClip;
 114
 115   XLATEOBJ *XlateBrush;
 116   XLATEOBJ *XlatePen;
 117
 118   INT  saveLevel;
 119   BOOL IsIC;
 120
 121   HPALETTE PalIndexed;
 122
 123   WIN_DC_INFO  w;
 124 } DC, *PDC;
 125
 126 typedef struct _GDIPOINTER /* should stay private to ENG */
 127 {
 128   /* private GDI pointer handling information, required for software emulation */
 129   BOOL Enabled;
 130   POINTL Pos;
 131   SIZEL Size;
 132   POINTL HotSpot;
 133   XLATEOBJ *XlateObject;
 134   HSURF ColorSurface;
 135   HSURF MaskSurface;
 136   HSURF SaveSurface;
 137
 138   /* public pointer information */
 139   RECTL Exclude; /* required publicly for SPS_ACCEPT_EXCLUDE */
 140   PGD_MOVEPOINTER MovePointer;
 141   ULONG Status;
 142 } GDIPOINTER, *PGDIPOINTER;
 143
 144 typedef struct
 145 {
 146   HANDLE Handle;
 147   DHPDEV PDev;
 148   DEVMODEW DMW;
 149   HSURF FillPatterns[HS_DDI_MAX];
 150   GDIINFO GDIInfo;
 151   DEVINFO DevInfo;
 152   DRIVER_FUNCTIONS DriverFunctions;
 153   PFILE_OBJECT VideoFileObject;
 154   BOOLEAN PreparedDriver;
 155   ULONG DisplayNumber;
 156
 157   GDIPOINTER Pointer;
 158
 159   /* Stuff to keep track of software cursors; win32k gdi part */
 160   UINT SafetyRemoveLevel; /* at what level was the cursor removed?
 161                              0 for not removed */
 162   UINT SafetyRemoveCount;
 163 } GDIDEVICE;
 164
 165 /*  Internal functions  */
 166
 167 #define  DC_LockDc(hDC)  \
 168   ((PDC) GDIOBJ_LockObj ((HGDIOBJ) hDC, GDI_OBJECT_TYPE_DC))
 169 #define  DC_UnlockDc(pDC)  \
 170   GDIOBJ_UnlockObjByPtr (pDC)
 171
 172 HDC  FASTCALL RetrieveDisplayHDC(VOID);
 173 HDC  FASTCALL DC_AllocDC(PUNICODE_STRING  Driver);
 174 VOID FASTCALL DC_InitDC(HDC  DCToInit);
 175 HDC  FASTCALL DC_FindOpenDC(PUNICODE_STRING  Driver);
 176 VOID FASTCALL DC_FreeDC(HDC  DCToFree);
 177 BOOL INTERNAL_CALL DC_Cleanup(PVOID ObjectBody);
 178 HDC  FASTCALL DC_GetNextDC (PDC pDC);
 179 VOID FASTCALL DC_SetNextDC (PDC pDC, HDC hNextDC);
 180 VOID FASTCALL DC_SetOwnership(HDC DC, PEPROCESS Owner);
 181
 182 VOID FASTCALL DC_UpdateXforms(PDC  dc);
 183 BOOL FASTCALL DC_InvertXform(const XFORM *xformSrc, XFORM *xformDest);
 184
 185 #endif