reactos/win32ss/gdi/gdi32/wine/gdi_private.h

   1 /*
   2  * GDI definitions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #ifndef __WINE_GDI_PRIVATE_H
  22 #define __WINE_GDI_PRIVATE_H
  23
  24 #include <limits.h>
  25 #include <math.h>
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "wingdi.h"
  29 #include <wine/gdi_driver.h>
  30
  31 /* Metafile defines */
  32 #define META_EOF 0x0000
  33 /* values of mtType in METAHEADER.  Note however that the disk image of a disk
  34    based metafile has mtType == 1 */
  35 #define METAFILE_MEMORY 1
  36 #define METAFILE_DISK   2
  37 #define MFHEADERSIZE (sizeof(METAHEADER))
  38 #define MFVERSION 0x300
  39
  40 typedef struct {
  41     EMR   emr;
  42     INT   nBreakExtra;
  43     INT   nBreakCount;
  44 } EMRSETTEXTJUSTIFICATION, *PEMRSETTEXTJUSTIFICATION;
  45
  46 struct gdi_obj_funcs
  47 {
  48     HGDIOBJ (*pSelectObject)( HGDIOBJ handle, HDC hdc );
  49     INT     (*pGetObjectA)( HGDIOBJ handle, INT count, LPVOID buffer );
  50     INT     (*pGetObjectW)( HGDIOBJ handle, INT count, LPVOID buffer );
  51     BOOL    (*pUnrealizeObject)( HGDIOBJ handle );
  52     BOOL    (*pDeleteObject)( HGDIOBJ handle );
  53 };
  54
  55 typedef struct tagWINEDC
  56 {
  57     HDC          hdc;
  58     PHYSDEV      physDev;          /* current top of the physdev stack */
  59     LONG         refcount;         /* thread refcount */
  60     INT          saveLevel;
  61     struct gdi_physdev NullPhysDev;
  62     HFONT hFont;
  63     HBRUSH hBrush;
  64     HPEN hPen;
  65     HPALETTE hPalette;
  66 } WINEDC, DC;
  67
  68 /* brush.c */
  69 extern BOOL get_brush_bitmap_info( HBRUSH handle, BITMAPINFO *info, void **bits, UINT *usage ) DECLSPEC_HIDDEN;
  70
  71 /* dc.c */
  72 extern DC *alloc_dc_ptr( WORD magic ) DECLSPEC_HIDDEN;
  73 extern void free_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
  74 extern DC *get_dc_ptr( HDC hdc ) DECLSPEC_HIDDEN;
  75 extern void release_dc_ptr( DC *dc ) DECLSPEC_HIDDEN;
  76
  77 /* dib.c */
  78 extern int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) DECLSPEC_HIDDEN;
  79
  80 /* enhmetafile.c */
  81 extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk ) DECLSPEC_HIDDEN;
  82
  83 /* gdiobj.c */
  84 extern HGDIOBJ alloc_gdi_handle( void *obj, WORD type, const struct gdi_obj_funcs *funcs ) DECLSPEC_HIDDEN;
  85 extern void *free_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
  86 extern HGDIOBJ get_full_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
  87 extern void *GDI_GetObjPtr( HGDIOBJ, WORD ) DECLSPEC_HIDDEN;
  88 extern void GDI_ReleaseObj( HGDIOBJ ) DECLSPEC_HIDDEN;
  89 extern void GDI_hdc_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
  90 extern void GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
  91
  92 /* metafile.c */
  93 extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh) DECLSPEC_HIDDEN;
  94 extern METAHEADER *MF_CreateMetaHeaderDisk(METAHEADER *mr, LPCVOID filename, BOOL unicode ) DECLSPEC_HIDDEN;
  95
  96 /* Format of comment record added by GetWinMetaFileBits */
  97 #include <pshpack2.h>
  98 typedef struct
  99 {
 100     DWORD magic;   /* WMFC */
 101     WORD unk04;    /* 1 */
 102     WORD unk06;    /* 0 */
 103     WORD unk08;    /* 0 */
 104     WORD unk0a;    /* 1 */
 105     WORD checksum;
 106     DWORD unk0e;   /* 0 */
 107     DWORD num_chunks;
 108     DWORD chunk_size;
 109     DWORD remaining_size;
 110     DWORD emf_size;
 111     BYTE emf_data[1];
 112 } emf_in_wmf_comment;
 113 #include <poppack.h>
 114
 115 #define WMFC_MAGIC 0x43464d57
 116 /* palette.c */
 117 extern HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg) DECLSPEC_HIDDEN;
 118 extern UINT WINAPI GDIRealizePalette( HDC hdc ) DECLSPEC_HIDDEN;
 119
 120 #define EMR_SETLINKEDUFI        119
 121
 122 /* Undocumented value for DIB's iUsage: Indicates a mono DIB w/o pal entries */
 123 #define DIB_PAL_MONO 2
 124
 125 BOOL WINAPI SetVirtualResolution(HDC hdc, DWORD horz_res, DWORD vert_res, DWORD horz_size, DWORD vert_size);
 126
 127 static inline int get_dib_stride( int width, int bpp )
 128 {
 129     return ((width * bpp + 31) >> 3) & ~3;
 130 }
 131
 132 static inline int get_dib_image_size( const BITMAPINFO *info )
 133 {
 134     return get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount )
 135         * abs( info->bmiHeader.biHeight );
 136 }
 137
 138 /* only for use on sanitized BITMAPINFO structures */
 139 static inline int get_dib_info_size( const BITMAPINFO *info, UINT coloruse )
 140 {
 141     if (info->bmiHeader.biCompression == BI_BITFIELDS)
 142         return sizeof(BITMAPINFOHEADER) + 3 * sizeof(DWORD);
 143     if (coloruse == DIB_PAL_COLORS)
 144         return sizeof(BITMAPINFOHEADER) + info->bmiHeader.biClrUsed * sizeof(WORD);
 145     return FIELD_OFFSET( BITMAPINFO, bmiColors[info->bmiHeader.biClrUsed] );
 146 }
 147
 148 /* Special sauce for reactos */
 149 #define GDIRealizePalette RealizePalette
 150 #define GDISelectPalette SelectPalette
 151
 152 HGDIOBJ WINAPI GdiFixUpHandle(HGDIOBJ hGdiObj);
 153 #define get_full_gdi_handle GdiFixUpHandle
 154
 155 extern void push_dc_driver_ros(PHYSDEV *dev, PHYSDEV physdev, const struct gdi_dc_funcs *funcs);
 156 #define push_dc_driver push_dc_driver_ros
 157
 158 BOOL WINAPI SetWorldTransformForMetafile(HDC hdc, const XFORM *pxform);
 159 #define SetWorldTransform SetWorldTransformForMetafile
 160
 161 #ifdef _M_ARM
 162 #define DbgRaiseAssertionFailure() __emit(0xdefc)
 163 #else
 164 #define DbgRaiseAssertionFailure() __int2c()
 165 #endif // _M_ARM
 166
 167 #undef ASSERT
 168 #define ASSERT(x) if (!(x)) DbgRaiseAssertionFailure()
 169
 170 #endif /* __WINE_GDI_PRIVATE_H */
 171