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