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( func_type, func_name, dc_field ) \
  13 func_type func_name( HDC16 hdc ) \
  14 { \
  15     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  16     if (!dc) return 0; \
  17     return dc->w.dc_field; \
  18 }
  19
  20 #define DC_GET_X_Y( func_type, func_name, ret_x, ret_y ) \
  21 func_type func_name( HDC16 hdc ) \
  22 { \
  23     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  24     if (!dc) return 0; \
  25     return MAKELONG( dc->w.ret_x, dc->w.ret_y ); \
  26 }
  27
  28 #define DC_GET_VAL_EX( func_name, ret_x, ret_y ) \
  29 BOOL16 func_name##16( HDC16 hdc, LPPOINT16 pt ) \
  30 { \
  31     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  32     if (!dc) return FALSE; \
  33     pt->x = dc->w.ret_x; \
  34     pt->y = dc->w.ret_y; \
  35     return TRUE; \
  36 } \
  37  \
  38 BOOL32 func_name##32( HDC32 hdc, LPPOINT32 pt ) \
  39 { \
  40     DC * dc = (DC *) GDI_GetObjPtr( (HDC16)hdc, DC_MAGIC ); \
  41     if (!dc) return FALSE; \
  42     pt->x = dc->w.ret_x; \
  43     pt->y = dc->w.ret_y; \
  44     return TRUE; \
  45 }
  46
  47 #define DC_SET_MODE( func_name, dc_field, min_val, max_val, meta_func ) \
  48 WORD func_name( HDC16 hdc, WORD mode ) \
  49 { \
  50     WORD prevMode; \
  51     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  52     if ((mode < min_val) || (mode > max_val)) return 0; \
  53     if (!dc) { \
  54         dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC); \
  55         if (!dc) return 0; \
  56         MF_MetaParam1(dc, meta_func, mode); \
  57         return 1; \
  58     } \
  59     prevMode = dc->w.dc_field; \
  60     dc->w.dc_field = mode; \
  61     return prevMode; \
  62 }
  63
  64
  65 DC_SET_MODE( SetBkMode, backgroundMode, TRANSPARENT, OPAQUE,
  66              META_SETBKMODE )                                     /* GDI.2 */
  67 DC_SET_MODE( SetROP2, ROPmode, R2_BLACK, R2_WHITE, META_SETROP2 ) /* GDI.4 */
  68 DC_SET_MODE( SetRelAbs, relAbsMode, ABSOLUTE, RELATIVE,
  69              META_SETRELABS )                                     /* GDI.5 */
  70 DC_SET_MODE( SetPolyFillMode, polyFillMode, ALTERNATE, WINDING,
  71              META_SETPOLYFILLMODE )                               /* GDI.6 */
  72 DC_SET_MODE( SetStretchBltMode, stretchBltMode,
  73              BLACKONWHITE, COLORONCOLOR, META_SETSTRETCHBLTMODE ) /* GDI.7 */
  74 DC_GET_VAL( COLORREF, GetBkColor, backgroundColor )               /* GDI.75 */
  75 DC_GET_VAL( WORD, GetBkMode, backgroundMode )                     /* GDI.76 */
  76 DC_GET_X_Y( DWORD, GetCurrentPosition, CursPosX, CursPosY )       /* GDI.78 */
  77 DC_GET_VAL( WORD, GetMapMode, MapMode )                           /* GDI.81 */
  78 DC_GET_VAL( WORD, GetPolyFillMode, polyFillMode )                 /* GDI.84 */
  79 DC_GET_VAL( WORD, GetROP2, ROPmode )                              /* GDI.85 */
  80 DC_GET_VAL( WORD, GetRelAbs, relAbsMode )                         /* GDI.86 */
  81 DC_GET_VAL( WORD, GetStretchBltMode, stretchBltMode )             /* GDI.88 */
  82 DC_GET_VAL( COLORREF, GetTextColor, textColor )                   /* GDI.90 */
  83 DC_GET_X_Y( DWORD, GetViewportExt, VportExtX, VportExtY )         /* GDI.94 */
  84 DC_GET_X_Y( DWORD, GetViewportOrg, VportOrgX, VportOrgY )         /* GDI.95 */
  85 DC_GET_X_Y( DWORD, GetWindowExt, WndExtX, WndExtY )               /* GDI.96 */
  86 DC_GET_X_Y( DWORD, GetWindowOrg, WndOrgX, WndOrgY )               /* GDI.97 */
  87 DC_GET_VAL( HRGN32, InquireVisRgn, hVisRgn )                      /* GDI.131 */
  88 DC_GET_X_Y( DWORD, GetBrushOrg, brushOrgX, brushOrgY )            /* GDI.149 */
  89 DC_GET_VAL( HRGN32, GetClipRgn, hClipRgn )                        /* GDI.173 */
  90 DC_GET_VAL( WORD, GetTextAlign, textAlign )                       /* GDI.345 */
  91 DC_GET_VAL( HFONT16, GetCurLogFont, hFont )                       /* GDI.411 */
  92 DC_GET_VAL_EX( GetBrushOrgEx, brushOrgX, brushOrgY )              /* GDI.469 */
  93 DC_GET_VAL_EX( GetCurrentPositionEx, CursPosX, CursPosY )         /* GDI.470 */
  94 DC_GET_VAL_EX( GetViewportExtEx, VportExtX, VportExtY )           /* GDI.472 */
  95 DC_GET_VAL_EX( GetViewportOrgEx, VportOrgX, VportOrgY )           /* GDI.473 */
  96 DC_GET_VAL_EX( GetWindowExtEx, WndExtX, WndExtY )                 /* GDI.474 */
  97 DC_GET_VAL_EX( GetWindowOrgEx, WndOrgX, WndOrgY )                 /* GDI.475 */