objects/dcvalues.c

   1 /*
   2  * DC device-independent Get/SetXXX functions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  *
   6  */
   7
   8 #include "winbase.h"
   9 #include "winerror.h"
  10 #include "gdi.h"
  11 #include "dc.h"
  12
  13 #define COLORREF16 COLORREF  /*hack*/
  14
  15 #define DC_GET_VAL_16( func_type, func_name, dc_field ) \
  16 func_type WINAPI func_name( HDC16 hdc ) \
  17 { \
  18     func_type ret = 0; \
  19     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  20     if (dc) \
  21     { \
  22         ret = dc->dc_field; \
  23         GDI_ReleaseObj( hdc ); \
  24     } \
  25     return ret; \
  26 }
  27
  28 #define DC_GET_VAL( func_type, func_name, dc_field ) \
  29 func_type##16 WINAPI func_name##16( HDC16 hdc ) \
  30 { \
  31     return func_name( hdc ); \
  32 } \
  33  \
  34 func_type WINAPI func_name( HDC hdc ) \
  35 { \
  36     func_type ret = 0; \
  37     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  38     if (dc) \
  39     { \
  40         ret = dc->dc_field; \
  41         GDI_ReleaseObj( hdc ); \
  42     } \
  43     return ret; \
  44 }
  45
  46 #define DC_GET_X_Y( func_type, func_name, ret_x, ret_y ) \
  47 func_type WINAPI func_name( HDC16 hdc ) \
  48 { \
  49     func_type ret = 0; \
  50     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  51     if (dc) \
  52     { \
  53         ret = MAKELONG( dc->ret_x, dc->ret_y ); \
  54         GDI_ReleaseObj( hdc ); \
  55     } \
  56     return ret; \
  57 }
  58
  59 /* DC_GET_VAL_EX is used to define functions returning a POINT or a SIZE. It is
  60  * important that the function has the right signature, for the implementation
  61  * we can do whatever we want.
  62  */
  63 #define DC_GET_VAL_EX( func_name, ret_x, ret_y, type ) \
  64 BOOL16 WINAPI func_name##16( HDC16 hdc, LP##type##16 pt ) \
  65 { \
  66     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  67     if (!dc) return FALSE; \
  68     ((LPPOINT16)pt)->x = dc->ret_x; \
  69     ((LPPOINT16)pt)->y = dc->ret_y; \
  70     GDI_ReleaseObj( hdc ); \
  71     return TRUE; \
  72 } \
  73  \
  74 BOOL WINAPI func_name( HDC hdc, LP##type pt ) \
  75 { \
  76     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  77     if (!dc) return FALSE; \
  78     ((LPPOINT)pt)->x = dc->ret_x; \
  79     ((LPPOINT)pt)->y = dc->ret_y; \
  80     GDI_ReleaseObj( hdc ); \
  81     return TRUE; \
  82 }
  83
  84 #define DC_SET_MODE( func_name, dc_field, min_val, max_val ) \
  85 INT16 WINAPI func_name##16( HDC16 hdc, INT16 mode ) \
  86 { \
  87     return func_name( hdc, mode ); \
  88 } \
  89  \
  90 INT WINAPI func_name( HDC hdc, INT mode ) \
  91 { \
  92     INT prevMode; \
  93     DC *dc; \
  94     if ((mode < min_val) || (mode > max_val)) { \
  95         SetLastError(ERROR_INVALID_PARAMETER); \
  96         return 0; \
  97     } \
  98     if (!(dc = DC_GetDCPtr( hdc ))) return 0; \
  99     if (dc->funcs->p##func_name) { \
 100         prevMode = dc->funcs->p##func_name( dc, mode ); \
 101     } else { \
 102         prevMode = dc->dc_field; \
 103         dc->dc_field = mode; \
 104     } \
 105     GDI_ReleaseObj( hdc ); \
 106     return prevMode; \
 107 }
 108
 109 /***********************************************************************
 110  *              SetBkMode               (GDI.2) (GDI32.306)
 111  *
 112  */
 113 DC_SET_MODE( SetBkMode, w.backgroundMode, TRANSPARENT, OPAQUE )
 114
 115 /***********************************************************************
 116  *              SetROP2                 (GDI.4) (GDI32.331)
 117  */
 118 DC_SET_MODE( SetROP2, w.ROPmode, R2_BLACK, R2_WHITE )
 119
 120 /***********************************************************************
 121  *              SetRelAbs               (GDI.5) (GDI32.333)
 122  */
 123 DC_SET_MODE( SetRelAbs, w.relAbsMode, ABSOLUTE, RELATIVE )
 124
 125 /***********************************************************************
 126  *              SetPolyFillMode         (GDI.6) (GDI32.330)
 127  */
 128 DC_SET_MODE( SetPolyFillMode, w.polyFillMode, ALTERNATE, WINDING )
 129
 130 /***********************************************************************
 131  *              SetStretchBltMode       (GDI.7) (GDI32.334)
 132  */
 133 DC_SET_MODE( SetStretchBltMode, w.stretchBltMode, BLACKONWHITE, HALFTONE )
 134
 135 /***********************************************************************
 136  *              GetBkColor              (GDI.75) (GDI32.145)
 137  */
 138 DC_GET_VAL( COLORREF, GetBkColor, w.backgroundColor )
 139
 140 /***********************************************************************
 141  *              GetBkMode               (GDI.76) (GDI32.146)
 142  */
 143 DC_GET_VAL( INT, GetBkMode, w.backgroundMode )
 144
 145 /***********************************************************************
 146  *              GetCurrentPosition16    (GDI.78)
 147  */
 148 DC_GET_X_Y( DWORD, GetCurrentPosition16, w.CursPosX, w.CursPosY )
 149
 150 /***********************************************************************
 151  *              GetMapMode              (GDI.81) (GDI32.196)
 152  */
 153 DC_GET_VAL( INT, GetMapMode, w.MapMode )
 154
 155 /***********************************************************************
 156  *              GetPolyFillMode         (GDI.84) (GDI32.213)
 157  */
 158 DC_GET_VAL( INT, GetPolyFillMode, w.polyFillMode )
 159
 160 /***********************************************************************
 161  *              GetROP2                 (GDI.85) (GDI32.214)
 162  */
 163 DC_GET_VAL( INT, GetROP2, w.ROPmode )
 164
 165 /***********************************************************************
 166  *              GetRelAbs16             (GDI.86)
 167  */
 168 DC_GET_VAL_16( INT16, GetRelAbs16, w.relAbsMode )
 169
 170 /***********************************************************************
 171  *              GetStretchBltMode       (GDI.88) (GDI32.221)
 172  */
 173 DC_GET_VAL( INT, GetStretchBltMode, w.stretchBltMode )
 174
 175 /***********************************************************************
 176  *              GetTextColor            (GDI.90) (GDI32.227)
 177  */
 178 DC_GET_VAL( COLORREF, GetTextColor, w.textColor )
 179
 180 /***********************************************************************
 181  *              GetViewportExt16        (GDI.94)
 182  */
 183 DC_GET_X_Y( DWORD, GetViewportExt16, vportExtX, vportExtY )
 184
 185 /***********************************************************************
 186  *              GetViewportOrg16        (GDI.95)
 187  */
 188 DC_GET_X_Y( DWORD, GetViewportOrg16, vportOrgX, vportOrgY )
 189
 190 /***********************************************************************
 191  *              GetWindowExt16          (GDI.96)
 192  */
 193 DC_GET_X_Y( DWORD, GetWindowExt16, wndExtX, wndExtY )
 194
 195 /***********************************************************************
 196  *              GetWindowOrg16  (GDI.97)
 197  */
 198 DC_GET_X_Y( DWORD, GetWindowOrg16, wndOrgX, wndOrgY )
 199
 200 /***********************************************************************
 201  *              InquireVisRgn16 (GDI.131)
 202  */
 203 DC_GET_VAL_16( HRGN16, InquireVisRgn16, w.hVisRgn )
 204
 205 /***********************************************************************
 206  *              GetClipRgn16    (GDI.173)
 207  */
 208 DC_GET_VAL_16( HRGN16, GetClipRgn16, w.hClipRgn )
 209
 210 /***********************************************************************
 211  *              GetBrushOrg16   (GDI.149)
 212  */
 213 DC_GET_X_Y( DWORD, GetBrushOrg16, w.brushOrgX, w.brushOrgY )
 214
 215 /***********************************************************************
 216  *              GetTextAlign    (GDI.345) (GDI32,224)
 217  */
 218 DC_GET_VAL( UINT, GetTextAlign, w.textAlign )
 219
 220 /***********************************************************************
 221  *              GetCurLogFont16 (GDI.411)
 222  */
 223 DC_GET_VAL_16( HFONT16, GetCurLogFont16, w.hFont )
 224
 225 /***********************************************************************
 226  *              GetArcDirection (GDI.524) (GDI32.141)
 227  */
 228 DC_GET_VAL( INT, GetArcDirection, w.ArcDirection )
 229
 230 /***********************************************************************
 231  *              GetGraphicsMode (GDI32.188)
 232  */
 233 DC_GET_VAL( INT, GetGraphicsMode, w.GraphicsMode)
 234
 235 /***********************************************************************
 236  *              GetBrushOrgEx   (GDI.469) (GDI32.148)
 237  */
 238 DC_GET_VAL_EX( GetBrushOrgEx, w.brushOrgX, w.brushOrgY, POINT ) /*  */
 239
 240 /***********************************************************************
 241  *              GetCurrentPositionEx    (GDI.470) (GDI32.167)
 242  */
 243 DC_GET_VAL_EX( GetCurrentPositionEx, w.CursPosX, w.CursPosY, POINT )
 244
 245 /***********************************************************************
 246  *              GetViewportExtEx        (GDI.472 GDI32.239)
 247  */
 248 DC_GET_VAL_EX( GetViewportExtEx, vportExtX, vportExtY, SIZE )
 249
 250 /***********************************************************************
 251  *              GetViewportOrgEx        (GDI.473) (GDI32.240)
 252  */
 253 DC_GET_VAL_EX( GetViewportOrgEx, vportOrgX, vportOrgY, POINT )
 254
 255 /***********************************************************************
 256  *              GetWindowExtEx  (GDI.474) (GDI32.242)
 257  */
 258 DC_GET_VAL_EX( GetWindowExtEx, wndExtX, wndExtY, SIZE )
 259
 260 /***********************************************************************
 261  *              GetWindowOrgEx  (GDI.475) (GDI32.243)
 262  */
 263 DC_GET_VAL_EX( GetWindowOrgEx, wndOrgX, wndOrgY, POINT )