objects/dcvalues.c

   1 /*
   2  * DC device-independent Get/SetXXX functions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  *
   6  */
   7
   8 #include "gdi.h"
   9 #include "metafile.h"
  10
  11
  12 #define DC_GET_VAL_16( func_type, func_name, dc_field ) \
  13 func_type WINAPI func_name( HDC16 hdc ) \
  14 { \
  15     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  16     if (!dc) return 0; \
  17     return dc->dc_field; \
  18 }
  19
  20 #define DC_GET_VAL_32( func_type, func_name, dc_field ) \
  21 func_type WINAPI func_name( HDC hdc ) \
  22 { \
  23     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  24     if (!dc) return 0; \
  25     return dc->dc_field; \
  26 }
  27
  28 #define DC_GET_X_Y( func_type, func_name, ret_x, ret_y ) \
  29 func_type WINAPI func_name( HDC16 hdc ) \
  30 { \
  31     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  32     if (!dc) return 0; \
  33     return MAKELONG( dc->ret_x, dc->ret_y ); \
  34 }
  35
  36 /* DC_GET_VAL_EX is used to define functions returning a POINT or a SIZE. It is
  37  * important that the function has the right signature, for the implementation
  38  * we can do whatever we want.
  39  */
  40 #define DC_GET_VAL_EX( func_name, ret_x, ret_y, type ) \
  41 BOOL16 WINAPI func_name##16( HDC16 hdc, LP##type##16 pt ) \
  42 { \
  43     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  44     if (!dc) return FALSE; \
  45     ((LPPOINT16)pt)->x = dc->ret_x; \
  46     ((LPPOINT16)pt)->y = dc->ret_y; \
  47     return TRUE; \
  48 } \
  49  \
  50 BOOL WINAPI func_name( HDC hdc, LP##type pt ) \
  51 { \
  52     DC * dc = (DC *) GDI_GetObjPtr( (HDC16)hdc, DC_MAGIC ); \
  53     if (!dc) return FALSE; \
  54     ((LPPOINT)pt)->x = dc->ret_x; \
  55     ((LPPOINT)pt)->y = dc->ret_y; \
  56     return TRUE; \
  57 }
  58
  59 #define DC_SET_MODE_16( func_name, dc_field, min_val, max_val, meta_func ) \
  60 INT16 WINAPI func_name( HDC16 hdc, INT16 mode ) \
  61 { \
  62     INT16 prevMode; \
  63     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  64     if ((mode < min_val) || (mode > max_val)) return 0; \
  65     if (!dc) { \
  66         dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC); \
  67         if (!dc) return 0; \
  68         MF_MetaParam1(dc, meta_func, mode); \
  69         return 1; \
  70     } \
  71     prevMode = dc->dc_field; \
  72     dc->dc_field = mode; \
  73     return prevMode; \
  74 }
  75
  76 #define DC_SET_MODE_32( func_name, dc_field, min_val, max_val, meta_func ) \
  77 INT WINAPI func_name( HDC hdc, INT mode ) \
  78 { \
  79     INT prevMode; \
  80     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  81     if ((mode < min_val) || (mode > max_val)) return 0; \
  82     if (!dc) { \
  83         dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC); \
  84         if (!dc) return 0; \
  85         MF_MetaParam1(dc, meta_func, mode); \
  86         return 1; \
  87     } \
  88     prevMode = dc->dc_field; \
  89     dc->dc_field = mode; \
  90     return prevMode; \
  91 }
  92
  93
  94 DC_SET_MODE_16( SetBkMode16, w.backgroundMode, TRANSPARENT,     /* GDI.2     */
  95                 OPAQUE, META_SETBKMODE )
  96 DC_SET_MODE_32( SetBkMode, w.backgroundMode, TRANSPARENT,     /* GDI32.306 */
  97                 OPAQUE, META_SETBKMODE )
  98 DC_SET_MODE_16( SetROP216, w.ROPmode, R2_BLACK, R2_WHITE,       /* GDI.4     */
  99                 META_SETROP2 )
 100 DC_SET_MODE_32( SetROP2, w.ROPmode, R2_BLACK, R2_WHITE,       /* GDI32.331 */
 101                 META_SETROP2 )
 102 DC_SET_MODE_16( SetRelAbs16, w.relAbsMode, ABSOLUTE, RELATIVE,  /* GDI.5     */
 103                 META_SETRELABS )
 104 DC_SET_MODE_32( SetRelAbs, w.relAbsMode, ABSOLUTE, RELATIVE,  /* GDI32.333 */
 105                 META_SETRELABS )
 106 DC_SET_MODE_16( SetPolyFillMode16, w.polyFillMode,              /* GDI.6     */
 107                 ALTERNATE, WINDING, META_SETPOLYFILLMODE )
 108 DC_SET_MODE_32( SetPolyFillMode, w.polyFillMode,              /* GDI32.330 */
 109                 ALTERNATE, WINDING, META_SETPOLYFILLMODE )
 110 DC_SET_MODE_16( SetStretchBltMode16, w.stretchBltMode,          /* GDI.7     */
 111                 BLACKONWHITE, COLORONCOLOR, META_SETSTRETCHBLTMODE )
 112 DC_SET_MODE_32( SetStretchBltMode, w.stretchBltMode,          /* GDI32.334 */
 113                 BLACKONWHITE, COLORONCOLOR, META_SETSTRETCHBLTMODE )
 114 DC_GET_VAL_16( COLORREF, GetBkColor16, w.backgroundColor )      /* GDI.75    */
 115 DC_GET_VAL_32( COLORREF, GetBkColor, w.backgroundColor )      /* GDI32.145 */
 116 DC_GET_VAL_16( INT16, GetBkMode16, w.backgroundMode )           /* GDI.76    */
 117 DC_GET_VAL_32( INT, GetBkMode, w.backgroundMode )           /* GDI32.146 */
 118 DC_GET_X_Y( DWORD, GetCurrentPosition16, w.CursPosX, w.CursPosY ) /* GDI.78    */
 119 DC_GET_VAL_16( INT16, GetMapMode16, w.MapMode )                 /* GDI.81    */
 120 DC_GET_VAL_32( INT, GetMapMode, w.MapMode )                 /* GDI32.196 */
 121 DC_GET_VAL_16( INT16, GetPolyFillMode16, w.polyFillMode )       /* GDI.84    */
 122 DC_GET_VAL_32( INT, GetPolyFillMode, w.polyFillMode )       /* GDI32.213 */
 123 DC_GET_VAL_16( INT16, GetROP216, w.ROPmode )                    /* GDI.85    */
 124 DC_GET_VAL_32( INT, GetROP2, w.ROPmode )                    /* GDI32.214 */
 125 DC_GET_VAL_16( INT16, GetRelAbs16, w.relAbsMode )               /* GDI.86    */
 126 DC_GET_VAL_32( INT, GetRelAbs, w.relAbsMode )               /* GDI32.218 */
 127 DC_GET_VAL_16( INT16, GetStretchBltMode16, w.stretchBltMode )   /* GDI.88    */
 128 DC_GET_VAL_32( INT, GetStretchBltMode, w.stretchBltMode )   /* GDI32.221 */
 129 DC_GET_VAL_16( COLORREF, GetTextColor16, w.textColor )          /* GDI.90    */
 130 DC_GET_VAL_32( COLORREF, GetTextColor, w.textColor )          /* GDI32.227 */
 131 DC_GET_X_Y( DWORD, GetViewportExt16, vportExtX, vportExtY )       /* GDI.94    */
 132 DC_GET_X_Y( DWORD, GetViewportOrg16, vportOrgX, vportOrgY )       /* GDI.95    */
 133 DC_GET_X_Y( DWORD, GetWindowExt16, wndExtX, wndExtY )             /* GDI.96    */
 134 DC_GET_X_Y( DWORD, GetWindowOrg16, wndOrgX, wndOrgY )             /* GDI.97    */
 135 DC_GET_VAL_16( HRGN16, InquireVisRgn16, w.hVisRgn )               /* GDI.131   */
 136 DC_GET_VAL_16( HRGN16, GetClipRgn16, w.hClipRgn )               /* GDI.173   */
 137 DC_GET_X_Y( DWORD, GetBrushOrg16, w.brushOrgX, w.brushOrgY )      /* GDI.149   */
 138 DC_GET_VAL_16( UINT16, GetTextAlign16, w.textAlign )            /* GDI.345   */
 139 DC_GET_VAL_32( UINT, GetTextAlign, w.textAlign )            /* GDI32.224 */
 140 DC_GET_VAL_16( HFONT16, GetCurLogFont16, w.hFont )                /* GDI.411   */
 141 DC_GET_VAL_EX( GetBrushOrgEx, w.brushOrgX, w.brushOrgY, POINT ) /* GDI.469 GDI32.148 */
 142 DC_GET_VAL_EX( GetCurrentPositionEx, w.CursPosX, w.CursPosY,    /* GDI.470 GDI32.167 */
 143                POINT )
 144 DC_GET_VAL_EX( GetViewportExtEx, vportExtX, vportExtY, SIZE )   /* GDI.472 GDI32.239 */
 145 DC_GET_VAL_EX( GetViewportOrgEx, vportOrgX, vportOrgY, POINT )  /* GDI.473 GDI32.240 */
 146 DC_GET_VAL_EX( GetWindowExtEx, wndExtX, wndExtY, SIZE )         /* GDI.474 GDI32.242 */
 147 DC_GET_VAL_EX( GetWindowOrgEx, wndOrgX, wndOrgY, POINT )        /* GDI.475 GDI32.243 */