reactos/subsys/win32k/objects/cliprgn.c

   1
   2
   3 #undef WIN32_LEAN_AND_MEAN
   4 #include <windows.h>
   5 #include <ddk/ntddk.h>
   6 #include <win32k/dc.h>
   7 #include <win32k/region.h>
   8 #include <win32k/cliprgn.h>
   9 #include <win32k/coord.h>
  10
  11 #define NDEBUG
  12 #include <win32k/debug1.h>
  13
  14 VOID
  15 CLIPPING_UpdateGCRegion(DC* Dc)
  16 {
  17   if (Dc->w.hGCClipRgn == NULL)
  18     {
  19       Dc->w.hGCClipRgn = W32kCreateRectRgn(0, 0, 0, 0);
  20     }
  21
  22   if (Dc->w.hClipRgn == NULL)
  23     {
  24       W32kCombineRgn(Dc->w.hGCClipRgn, Dc->w.hVisRgn, 0, RGN_COPY);
  25     }
  26   else
  27     {
  28       W32kCombineRgn(Dc->w.hGCClipRgn, Dc->w.hClipRgn, Dc->w.hVisRgn,
  29                      RGN_AND);
  30     }
  31 }
  32
  33 HRGN WINAPI SaveVisRgn(HDC hdc)
  34 {
  35   HRGN copy;
  36   PROSRGNDATA obj, copyObj;
  37   PDC dc = DC_HandleToPtr(hdc);
  38
  39   if (!dc) return 0;
  40
  41   obj = RGNDATA_LockRgn(dc->w.hVisRgn);
  42
  43   if(!(copy = W32kCreateRectRgn(0, 0, 0, 0)))
  44   {
  45     RGNDATA_UnlockRgn(dc->w.hVisRgn);
  46     DC_ReleasePtr(hdc);
  47     return 0;
  48   }
  49   W32kCombineRgn(copy, dc->w.hVisRgn, 0, RGN_COPY);
  50   copyObj = RGNDATA_LockRgn(copy);
  51 /*  copyObj->header.hNext = obj->header.hNext;
  52   header.hNext = copy; */
  53
  54   return copy;
  55 }
  56
  57 INT STDCALL
  58 W32kSelectVisRgn(HDC hdc, HRGN hrgn)
  59 {
  60   int retval;
  61   DC *dc;
  62
  63   if (!hrgn)
  64         return ERROR;
  65   if (!(dc = DC_HandleToPtr(hdc)))
  66         return ERROR;
  67
  68   dc->w.flags &= ~DC_DIRTY;
  69
  70   retval = W32kCombineRgn(dc->w.hVisRgn, hrgn, 0, RGN_COPY);
  71   CLIPPING_UpdateGCRegion(dc);
  72   DC_ReleasePtr( hdc );
  73
  74   return retval;
  75 }
  76
  77 int STDCALL W32kExcludeClipRect(HDC  hDC,
  78                          int  LeftRect,
  79                          int  TopRect,
  80                          int  RightRect,
  81                          int  BottomRect)
  82 {
  83   UNIMPLEMENTED;
  84 }
  85
  86 int STDCALL W32kExtSelectClipRgn(HDC  hDC,
  87                           HRGN  hrgn,
  88                           int  fnMode)
  89 {
  90   UNIMPLEMENTED;
  91 }
  92
  93 int STDCALL W32kGetClipBox(HDC  hDC,
  94                            LPRECT  rc)
  95 {
  96   int retval;
  97   DC *dc;
  98
  99   if (!(dc = DC_HandleToPtr(hDC)))
 100         return ERROR;
 101   retval = UnsafeW32kGetRgnBox(dc->w.hGCClipRgn, rc);
 102   rc->left -= dc->w.DCOrgX;
 103   rc->right -= dc->w.DCOrgX;
 104   rc->top -= dc->w.DCOrgY;
 105   rc->bottom -= dc->w.DCOrgY;
 106
 107   DC_ReleasePtr( hDC );
 108   W32kDPtoLP(hDC, (LPPOINT)rc, 2);
 109   return(retval);
 110 }
 111
 112 int STDCALL W32kGetMetaRgn(HDC  hDC,
 113                     HRGN  hrgn)
 114 {
 115   UNIMPLEMENTED;
 116 }
 117
 118 int STDCALL W32kIntersectClipRect(HDC  hDC,
 119                            int  LeftRect,
 120                            int  TopRect,
 121                            int  RightRect,
 122                            int  BottomRect)
 123 {
 124   UNIMPLEMENTED;
 125 }
 126
 127 int STDCALL W32kOffsetClipRgn(HDC  hDC,
 128                        int  XOffset,
 129                        int  YOffset)
 130 {
 131   UNIMPLEMENTED;
 132 }
 133
 134 BOOL STDCALL W32kPtVisible(HDC  hDC,
 135                     int  X,
 136                     int  Y)
 137 {
 138   UNIMPLEMENTED;
 139 }
 140
 141 BOOL STDCALL W32kRectVisible(HDC  hDC,
 142                       CONST PRECT  rc)
 143 {
 144   UNIMPLEMENTED;
 145 }
 146
 147 BOOL STDCALL W32kSelectClipPath(HDC  hDC,
 148                          int  Mode)
 149 {
 150   UNIMPLEMENTED;
 151 }
 152
 153 int STDCALL W32kSelectClipRgn(HDC  hDC,
 154                        HRGN  hrgn)
 155 {
 156   UNIMPLEMENTED;
 157 }
 158
 159 int STDCALL W32kSetMetaRgn(HDC  hDC)
 160 {
 161   UNIMPLEMENTED;
 162 }
 163
 164
 165