objects/dcvalues.c

   1 /*
   2  * DC device-independent Get/SetXXX functions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  *
   6 static char Copyright[] = "Copyright  Alexandre Julliard, 1993";
   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( HDC 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( HDC 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 BOOL func_name( HDC hdc, LPPOINT 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 #define DC_SET_MODE( func_name, dc_field, min_val, max_val, meta_func ) \
  39 WORD func_name( HDC hdc, WORD mode ) \
  40 { \
  41     WORD prevMode; \
  42     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); \
  43     if ((mode < min_val) || (mode > max_val)) return 0; \
  44     if (!dc) { \
  45         dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC); \
  46         if (!dc) return 0; \
  47         MF_MetaParam1(dc, meta_func, mode); \
  48         return 1; \
  49     } \
  50     prevMode = dc->w.dc_field; \
  51     dc->w.dc_field = mode; \
  52     return prevMode; \
  53 }
  54
  55
  56 DC_SET_MODE( SetBkMode, backgroundMode, TRANSPARENT, OPAQUE,
  57              META_SETBKMODE )                                     /* GDI.2 */
  58 DC_SET_MODE( SetROP2, ROPmode, R2_BLACK, R2_WHITE, META_SETROP2 ) /* GDI.4 */
  59 DC_SET_MODE( SetRelAbs, relAbsMode, ABSOLUTE, RELATIVE,
  60              META_SETRELABS )                                     /* GDI.5 */
  61 DC_SET_MODE( SetPolyFillMode, polyFillMode, ALTERNATE, WINDING,
  62              META_SETPOLYFILLMODE )                               /* GDI.6 */
  63 DC_SET_MODE( SetStretchBltMode, stretchBltMode,
  64              BLACKONWHITE, COLORONCOLOR, META_SETSTRETCHBLTMODE ) /* GDI.7 */
  65 DC_GET_VAL( COLORREF, GetBkColor, backgroundColor )               /* GDI.75 */
  66 DC_GET_VAL( WORD, GetBkMode, backgroundMode )                     /* GDI.76 */
  67 DC_GET_X_Y( DWORD, GetCurrentPosition, CursPosX, CursPosY )       /* GDI.78 */
  68 DC_GET_VAL( WORD, GetMapMode, MapMode )                           /* GDI.81 */
  69 DC_GET_VAL( WORD, GetPolyFillMode, polyFillMode )                 /* GDI.84 */
  70 DC_GET_VAL( WORD, GetROP2, ROPmode )                              /* GDI.85 */
  71 DC_GET_VAL( WORD, GetRelAbs, relAbsMode )                         /* GDI.86 */
  72 DC_GET_VAL( WORD, GetStretchBltMode, stretchBltMode )             /* GDI.88 */
  73 DC_GET_VAL( COLORREF, GetTextColor, textColor )                   /* GDI.90 */
  74 DC_GET_X_Y( DWORD, GetViewportExt, VportExtX, VportExtY )         /* GDI.94 */
  75 DC_GET_X_Y( DWORD, GetViewportOrg, VportOrgX, VportOrgY )         /* GDI.95 */
  76 DC_GET_X_Y( DWORD, GetWindowExt, WndExtX, WndExtY )               /* GDI.96 */
  77 DC_GET_X_Y( DWORD, GetWindowOrg, WndOrgX, WndOrgY )               /* GDI.97 */
  78 DC_GET_VAL( HRGN, InquireVisRgn, hVisRgn )                        /* GDI.131 */
  79 DC_GET_X_Y( DWORD, GetBrushOrg, brushOrgX, brushOrgY )            /* GDI.149 */
  80 DC_GET_VAL( HRGN, GetClipRgn, hClipRgn )                          /* GDI.173 */
  81 DC_GET_VAL( WORD, GetTextAlign, textAlign )                       /* GDI.345 */
  82 DC_GET_VAL( HFONT, GetCurLogFont, hFont )                         /* GDI.411 */
  83 DC_GET_VAL_EX( GetBrushOrgEx, brushOrgX, brushOrgY )              /* GDI.469 */
  84 DC_GET_VAL_EX( GetCurrentPositionEx, CursPosX, CursPosY )         /* GDI.470 */
  85 DC_GET_VAL_EX( GetViewportExtEx, VportExtX, VportExtY )           /* GDI.472 */
  86 DC_GET_VAL_EX( GetViewportOrgEx, VportOrgX, VportOrgY )           /* GDI.473 */
  87 DC_GET_VAL_EX( GetWindowExtEx, WndExtX, WndExtY )                 /* GDI.474 */
  88 DC_GET_VAL_EX( GetWindowOrgEx, WndOrgX, WndOrgY )                 /* GDI.475 */