dlls/gdi32/gdi_private.h

   1 /*
   2  * GDI definitions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  * Copyright 2021 Jacek Caban for CodeWeavers
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #ifndef __WINE_GDI_PRIVATE_H
  23 #define __WINE_GDI_PRIVATE_H
  24
  25 #include <stdarg.h>
  26 #include <limits.h>
  27
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "ntgdi.h"
  31
  32 void set_gdi_client_ptr( HGDIOBJ handle, void *ptr ) DECLSPEC_HIDDEN;
  33 void *get_gdi_client_ptr( HGDIOBJ handle, DWORD type ) DECLSPEC_HIDDEN;
  34 DC_ATTR *get_dc_attr( HDC hdc ) DECLSPEC_HIDDEN;
  35 HGDIOBJ get_full_gdi_handle( HGDIOBJ handle ) DECLSPEC_HIDDEN;
  36 void GDI_hdc_using_object( HGDIOBJ obj, HDC hdc,
  37                            void (*delete)( HDC hdc, HGDIOBJ handle )) DECLSPEC_HIDDEN;
  38 void GDI_hdc_not_using_object( HGDIOBJ obj, HDC hdc ) DECLSPEC_HIDDEN;
  39
  40 static inline DWORD gdi_handle_type( HGDIOBJ obj )
  41 {
  42     unsigned int handle = HandleToULong( obj );
  43     return handle & NTGDI_HANDLE_TYPE_MASK;
  44 }
  45
  46 /* metafile defines */
  47
  48 #define META_EOF 0x0000
  49
  50 #define METAFILE_MEMORY 1
  51 #define METAFILE_DISK   2
  52
  53 #define MFVERSION 0x300
  54
  55 /* Undocumented value for DIB's iUsage: Indicates a mono DIB w/o pal entries */
  56 #define DIB_PAL_MONO 2
  57
  58 /* Format of comment record added by GetWinMetaFileBits */
  59 #include <pshpack2.h>
  60 typedef struct
  61 {
  62     DWORD comment_id;   /* WMFC */
  63     DWORD comment_type; /* Always 0x00000001 */
  64     DWORD version;      /* Always 0x00010000 */
  65     WORD checksum;
  66     DWORD flags;        /* Always 0 */
  67     DWORD num_chunks;
  68     DWORD chunk_size;
  69     DWORD remaining_size;
  70     DWORD emf_size;
  71     BYTE emf_data[1];
  72 } emf_in_wmf_comment;
  73 #include <poppack.h>
  74
  75 static inline BOOL is_meta_dc( HDC hdc )
  76 {
  77     return gdi_handle_type( hdc ) == NTGDI_OBJ_METADC;
  78 }
  79
  80 extern BOOL METADC_Arc( HDC hdc, INT left, INT top, INT right, INT bottom,
  81                         INT xstart, INT ystart, INT xend, INT yend ) DECLSPEC_HIDDEN;
  82 extern BOOL METADC_BitBlt( HDC hdc_dst, INT x_dst, INT y_dst, INT width, INT height,
  83                            HDC hdc_src, INT x_src, INT y_src, DWORD rop );
  84 extern BOOL METADC_Chord( HDC hdc, INT left, INT top, INT right, INT bottom, INT xstart,
  85                           INT ystart, INT xend, INT yend ) DECLSPEC_HIDDEN;
  86 extern BOOL METADC_DeleteDC( HDC hdc );
  87 extern BOOL METADC_Ellipse( HDC hdc, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
  88 extern BOOL METADC_ExcludeClipRect( HDC hdc, INT left, INT top, INT right,
  89                                     INT bottom ) DECLSPEC_HIDDEN;
  90 extern BOOL METADC_ExtEscape( HDC hdc, INT escape, INT input_size, const void *input,
  91                               INT output_size, void *output ) DECLSPEC_HIDDEN;
  92 extern BOOL METADC_ExtFloodFill( HDC hdc, INT x, INT y, COLORREF color,
  93                                  UINT fill_type ) DECLSPEC_HIDDEN;
  94 extern BOOL METADC_ExtSelectClipRgn( HDC hdc, HRGN hrgn, INT mode ) DECLSPEC_HIDDEN;
  95 extern BOOL METADC_ExtTextOut( HDC hdc, INT x, INT y, UINT flags, const RECT *rect,
  96                                const WCHAR *str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
  97 extern BOOL METADC_FillRgn( HDC hdc, HRGN hrgn, HBRUSH hbrush ) DECLSPEC_HIDDEN;
  98 extern BOOL METADC_FrameRgn( HDC hdc, HRGN hrgn, HBRUSH hbrush, INT x, INT y ) DECLSPEC_HIDDEN;
  99 extern INT  METADC_GetDeviceCaps( HDC hdc, INT cap );
 100 extern BOOL METADC_IntersectClipRect( HDC hdc, INT left, INT top, INT right,
 101                                       INT bottom ) DECLSPEC_HIDDEN;
 102 extern BOOL METADC_InvertRgn( HDC hdc, HRGN hrgn ) DECLSPEC_HIDDEN;
 103 extern BOOL METADC_LineTo( HDC hdc, INT x, INT y ) DECLSPEC_HIDDEN;
 104 extern BOOL METADC_MoveTo( HDC hdc, INT x, INT y ) DECLSPEC_HIDDEN;
 105 extern BOOL METADC_OffsetClipRgn( HDC hdc, INT x, INT y ) DECLSPEC_HIDDEN;
 106 extern BOOL METADC_OffsetViewportOrgEx( HDC hdc, INT x, INT y ) DECLSPEC_HIDDEN;
 107 extern BOOL METADC_OffsetWindowOrgEx( HDC hdc, INT x, INT y ) DECLSPEC_HIDDEN;
 108 extern BOOL METADC_PaintRgn( HDC hdc, HRGN hrgn ) DECLSPEC_HIDDEN;
 109 extern BOOL METADC_PatBlt( HDC hdc, INT left, INT top, INT width, INT height, DWORD rop );
 110 extern BOOL METADC_Pie( HDC hdc, INT left, INT top, INT right, INT bottom,
 111                         INT xstart, INT ystart, INT xend, INT yend ) DECLSPEC_HIDDEN;
 112 extern BOOL METADC_PolyPolygon( HDC hdc, const POINT *points, const INT *counts,
 113                                 UINT polygons ) DECLSPEC_HIDDEN;
 114 extern BOOL METADC_Polygon( HDC hdc, const POINT *points, INT count ) DECLSPEC_HIDDEN;
 115 extern BOOL METADC_Polyline( HDC hdc, const POINT *points,INT count) DECLSPEC_HIDDEN;
 116 extern BOOL METADC_RealizePalette( HDC hdc ) DECLSPEC_HIDDEN;
 117 extern BOOL METADC_Rectangle( HDC hdc, INT left, INT top, INT right, INT bottom) DECLSPEC_HIDDEN;
 118 extern BOOL METADC_RestoreDC( HDC hdc, INT level ) DECLSPEC_HIDDEN;
 119 extern BOOL METADC_RoundRect( HDC hdc, INT left, INT top, INT right, INT bottom,
 120                               INT ell_width, INT ell_height ) DECLSPEC_HIDDEN;
 121 extern BOOL METADC_SaveDC( HDC hdc ) DECLSPEC_HIDDEN;
 122 extern BOOL METADC_ScaleViewportExtEx( HDC hdc, INT x_num, INT x_denom, INT y_num,
 123                                        INT y_denom ) DECLSPEC_HIDDEN;
 124 extern BOOL METADC_ScaleWindowExtEx( HDC hdc, INT x_num, INT x_denom, INT y_num,
 125                                      INT y_denom ) DECLSPEC_HIDDEN;
 126 extern HGDIOBJ METADC_SelectObject( HDC hdc, HGDIOBJ obj ) DECLSPEC_HIDDEN;
 127 extern BOOL METADC_SelectPalette( HDC hdc, HPALETTE palette ) DECLSPEC_HIDDEN;
 128 extern BOOL METADC_SetBkColor( HDC hdc, COLORREF color ) DECLSPEC_HIDDEN;
 129 extern BOOL METADC_SetBkMode( HDC hdc, INT mode ) DECLSPEC_HIDDEN;
 130 extern INT  METADC_SetDIBitsToDevice( HDC hdc, INT x_dest, INT y_dest, DWORD width, DWORD height,
 131                                       INT x_src, INT y_src, UINT startscan, UINT lines,
 132                                       const void *bits, const BITMAPINFO *info,
 133                                       UINT coloruse ) DECLSPEC_HIDDEN;
 134 extern BOOL METADC_SetLayout( HDC hdc, DWORD layout ) DECLSPEC_HIDDEN;
 135 extern BOOL METADC_SetTextCharacterExtra( HDC hdc, INT extra ) DECLSPEC_HIDDEN;
 136 extern BOOL METADC_SetMapMode( HDC hdc, INT mode ) DECLSPEC_HIDDEN;
 137 extern BOOL METADC_SetMapperFlags( HDC hdc, DWORD flags ) DECLSPEC_HIDDEN;
 138 extern BOOL METADC_SetPixel( HDC hdc, INT x, INT y, COLORREF color ) DECLSPEC_HIDDEN;
 139 extern BOOL METADC_SetPolyFillMode( HDC hdc, INT mode ) DECLSPEC_HIDDEN;
 140 extern BOOL METADC_SetRelAbs( HDC hdc, INT mode ) DECLSPEC_HIDDEN;
 141 extern BOOL METADC_SetROP2( HDC hdc, INT rop ) DECLSPEC_HIDDEN;
 142 extern BOOL METADC_SetStretchBltMode( HDC hdc, INT mode ) DECLSPEC_HIDDEN;
 143 extern BOOL METADC_SetTextAlign( HDC hdc, UINT align ) DECLSPEC_HIDDEN;
 144 extern BOOL METADC_SetTextColor( HDC hdc, COLORREF color ) DECLSPEC_HIDDEN;
 145 extern BOOL METADC_SetTextJustification( HDC hdc, INT extra, INT breaks ) DECLSPEC_HIDDEN;
 146 extern BOOL METADC_SetViewportExtEx( HDC hdc, INT x, INT y ) DECLSPEC_HIDDEN;
 147 extern BOOL METADC_SetViewportOrgEx( HDC hdc, INT x, INT y ) DECLSPEC_HIDDEN;
 148 extern BOOL METADC_SetWindowExtEx( HDC hdc, INT x, INT y ) DECLSPEC_HIDDEN;
 149 extern BOOL METADC_SetWindowOrgEx( HDC, INT x, INT y ) DECLSPEC_HIDDEN;
 150 extern BOOL METADC_StretchBlt( HDC hdc_dst, INT x_dst, INT y_dst, INT width_dst, INT height_dst,
 151                                HDC hdc_src, INT x_src, INT y_src, INT width_src, INT height_src,
 152                                DWORD rop );
 153 extern INT  METADC_StretchDIBits( HDC hdc, INT x_dst, INT y_dst, INT width_dst, INT height_dst,
 154                                   INT x_src, INT y_src, INT width_src, INT height_src,
 155                                   const void *bits, const BITMAPINFO *info, UINT coloruse,
 156                                   DWORD rop ) DECLSPEC_HIDDEN;
 157
 158 extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh) DECLSPEC_HIDDEN;
 159
 160 /* enhanced metafiles */
 161
 162 #define WMFC_MAGIC 0x43464d57
 163
 164 typedef struct
 165 {
 166     EMR   emr;
 167     INT   nBreakExtra;
 168     INT   nBreakCount;
 169 } EMRSETTEXTJUSTIFICATION, *PEMRSETTEXTJUSTIFICATION;
 170
 171 extern BOOL EMFDC_AbortPath( DC_ATTR *dc_attr ) DECLSPEC_HIDDEN;
 172 extern BOOL EMFDC_AlphaBlend( DC_ATTR *dc_attr, INT x_dst, INT y_dst, INT width_dst, INT height_dst,
 173                               HDC hdc_src, INT x_src, INT y_src, INT width_src, INT height_src,
 174                               BLENDFUNCTION blend_function );
 175 extern BOOL EMFDC_AngleArc( DC_ATTR *dc_attr, INT x, INT y, DWORD radius, FLOAT start,
 176                             FLOAT sweep ) DECLSPEC_HIDDEN;
 177 extern BOOL EMFDC_ArcChordPie( DC_ATTR *dc_attr, INT left, INT top, INT right,
 178                                INT bottom, INT xstart, INT ystart, INT xend,
 179                                INT yend, DWORD type ) DECLSPEC_HIDDEN;
 180 extern BOOL EMFDC_BeginPath( DC_ATTR *dc_attr ) DECLSPEC_HIDDEN;
 181 extern BOOL EMFDC_BitBlt( DC_ATTR *dc_attr, INT x_dst, INT y_dst, INT width, INT height,
 182                           HDC hdc_src, INT x_src, INT y_src, DWORD rop );
 183 extern BOOL EMFDC_CloseFigure( DC_ATTR *dc_attr ) DECLSPEC_HIDDEN;
 184 extern void EMFDC_DeleteDC( DC_ATTR *dc_attr ) DECLSPEC_HIDDEN;
 185 extern BOOL EMFDC_Ellipse( DC_ATTR *dc_attr, INT left, INT top, INT right,
 186                            INT bottom ) DECLSPEC_HIDDEN;
 187 extern BOOL EMFDC_EndPath( DC_ATTR *dc_attr ) DECLSPEC_HIDDEN;
 188 extern BOOL EMFDC_ExcludeClipRect( DC_ATTR *dc_attr, INT left, INT top, INT right,
 189                                    INT bottom ) DECLSPEC_HIDDEN;
 190 extern BOOL EMFDC_ExtFloodFill( DC_ATTR *dc_attr, INT x, INT y, COLORREF color,
 191                                 UINT fill_type ) DECLSPEC_HIDDEN;
 192 extern BOOL EMFDC_ExtSelectClipRgn( DC_ATTR *dc_attr, HRGN hrgn, INT mode ) DECLSPEC_HIDDEN;
 193 extern BOOL EMFDC_ExtTextOut( DC_ATTR *dc_attr, INT x, INT y, UINT flags, const RECT *rect,
 194                               const WCHAR *str, UINT count, const INT *dx ) DECLSPEC_HIDDEN;
 195 extern BOOL EMFDC_FillPath( DC_ATTR *dc_attr ) DECLSPEC_HIDDEN;
 196 extern BOOL EMFDC_FillRgn( DC_ATTR *dc_attr, HRGN hrgn, HBRUSH hbrush ) DECLSPEC_HIDDEN;
 197 extern BOOL EMFDC_FlattenPath( DC_ATTR *dc_attr ) DECLSPEC_HIDDEN;
 198 extern BOOL EMFDC_FrameRgn( DC_ATTR *dc_attr, HRGN hrgn, HBRUSH hbrush, INT width,
 199                             INT height ) DECLSPEC_HIDDEN;
 200 extern BOOL EMFDC_GradientFill( DC_ATTR *dc_attr, TRIVERTEX *vert_array, ULONG nvert,
 201                                 void *grad_array, ULONG ngrad, ULONG mode ) DECLSPEC_HIDDEN;
 202 extern BOOL EMFDC_IntersectClipRect( DC_ATTR *dc_attr, INT left, INT top, INT right,
 203                                      INT bottom ) DECLSPEC_HIDDEN;
 204 extern BOOL EMFDC_InvertRgn( DC_ATTR *dc_attr, HRGN hrgn ) DECLSPEC_HIDDEN;
 205 extern BOOL EMFDC_LineTo( DC_ATTR *dc_attr, INT x, INT y ) DECLSPEC_HIDDEN;
 206 extern BOOL EMFDC_MaskBlt( DC_ATTR *dc_attr, INT x_dst, INT y_dst, INT width_dst, INT height_dst,
 207                            HDC hdc_src, INT x_src, INT y_src, HBITMAP mask,
 208                            INT x_mask, INT y_mask, DWORD rop ) DECLSPEC_HIDDEN;
 209 extern BOOL EMFDC_ModifyWorldTransform( DC_ATTR *dc_attr, const XFORM *xform,
 210                                         DWORD mode ) DECLSPEC_HIDDEN;
 211 extern BOOL EMFDC_MoveTo( DC_ATTR *dc_attr, INT x, INT y ) DECLSPEC_HIDDEN;
 212 extern BOOL EMFDC_OffsetClipRgn( DC_ATTR *dc_attr, INT x, INT y ) DECLSPEC_HIDDEN;
 213 extern BOOL EMFDC_PaintRgn( DC_ATTR *dc_attr, HRGN hrgn ) DECLSPEC_HIDDEN;
 214 extern BOOL EMFDC_PatBlt( DC_ATTR *dc_attr, INT left, INT top, INT width, INT height, DWORD rop );
 215 extern BOOL EMFDC_PlgBlt( DC_ATTR *dc_attr, const POINT *point, HDC hdc_src, INT x_src, INT y_src,
 216                           INT width, INT height, HBITMAP mask, INT x_mask, INT y_mask ) DECLSPEC_HIDDEN;
 217 extern BOOL EMFDC_PolyBezier( DC_ATTR *dc_attr, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
 218 extern BOOL EMFDC_PolyBezierTo( DC_ATTR *dc_attr, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
 219 extern BOOL EMFDC_PolyDraw( DC_ATTR *dc_attr, const POINT *points, const BYTE *types,
 220                             DWORD count ) DECLSPEC_HIDDEN;
 221 extern BOOL EMFDC_PolyPolyline( DC_ATTR *dc_attr, const POINT *points, const DWORD *counts,
 222                                 DWORD polys ) DECLSPEC_HIDDEN;
 223 extern BOOL EMFDC_PolyPolygon( DC_ATTR *dc_attr, const POINT *points, const INT *counts,
 224                                UINT polys ) DECLSPEC_HIDDEN;
 225 extern BOOL EMFDC_Polygon( DC_ATTR *dc_attr, const POINT *points, INT count ) DECLSPEC_HIDDEN;
 226 extern BOOL EMFDC_Polyline( DC_ATTR *dc_attr, const POINT *points, INT count) DECLSPEC_HIDDEN;
 227 extern BOOL EMFDC_PolylineTo( DC_ATTR *dc_attr, const POINT *points, INT count ) DECLSPEC_HIDDEN;
 228 extern BOOL EMFDC_Rectangle( DC_ATTR *dc_attr, INT left, INT top, INT right,
 229                              INT bottom) DECLSPEC_HIDDEN;
 230 extern BOOL EMFDC_RestoreDC( DC_ATTR *dc_attr, INT level ) DECLSPEC_HIDDEN;
 231 extern BOOL EMFDC_RoundRect( DC_ATTR *dc_attr, INT left, INT top, INT right, INT bottom,
 232                              INT ell_width, INT ell_height ) DECLSPEC_HIDDEN;
 233 extern BOOL EMFDC_SaveDC( DC_ATTR *dc_attr ) DECLSPEC_HIDDEN;
 234 extern BOOL EMFDC_ScaleViewportExtEx( DC_ATTR *dc_attr, INT x_num, INT x_denom, INT y_num,
 235                                       INT y_denom ) DECLSPEC_HIDDEN;
 236 extern BOOL EMFDC_ScaleWindowExtEx( DC_ATTR *dc_attr, INT x_num, INT x_denom, INT y_num,
 237                                     INT y_denom ) DECLSPEC_HIDDEN;
 238 extern BOOL EMFDC_SelectClipPath( DC_ATTR *dc_attr, INT mode ) DECLSPEC_HIDDEN;
 239 extern BOOL EMFDC_SelectObject( DC_ATTR *dc_attr, HGDIOBJ obj ) DECLSPEC_HIDDEN;
 240 extern BOOL EMFDC_SelectPalette( DC_ATTR *dc_attr, HPALETTE palette ) DECLSPEC_HIDDEN;
 241 extern BOOL EMFDC_SetArcDirection( DC_ATTR *dc_attr, INT dir ) DECLSPEC_HIDDEN;
 242 extern BOOL EMFDC_SetBkColor( DC_ATTR *dc_attr, COLORREF color ) DECLSPEC_HIDDEN;
 243 extern BOOL EMFDC_SetBkMode( DC_ATTR *dc_attr, INT mode ) DECLSPEC_HIDDEN;
 244 extern BOOL EMFDC_SetDCBrushColor( DC_ATTR *dc_attr, COLORREF color ) DECLSPEC_HIDDEN;
 245 extern BOOL EMFDC_SetDCPenColor( DC_ATTR *dc_attr, COLORREF color ) DECLSPEC_HIDDEN;
 246 extern INT  EMFDC_SetDIBitsToDevice( DC_ATTR *dc_attr, INT x_dest, INT y_dest, DWORD width,
 247                                      DWORD height, INT x_src, INT y_src, UINT startscan,
 248                                      UINT lines, const void *bits, const BITMAPINFO *info,
 249                                      UINT coloruse ) DECLSPEC_HIDDEN;
 250 extern BOOL EMFDC_SetLayout( DC_ATTR *dc_attr, DWORD layout ) DECLSPEC_HIDDEN;
 251 extern BOOL EMFDC_SetMapMode( DC_ATTR *dc_attr, INT mode ) DECLSPEC_HIDDEN;
 252 extern BOOL EMFDC_SetMapperFlags( DC_ATTR *dc_attr, DWORD flags ) DECLSPEC_HIDDEN;
 253 extern BOOL EMFDC_SetPixel( DC_ATTR *dc_attr, INT x, INT y, COLORREF color ) DECLSPEC_HIDDEN;
 254 extern BOOL EMFDC_SetPolyFillMode( DC_ATTR *dc_attr, INT mode ) DECLSPEC_HIDDEN;
 255 extern BOOL EMFDC_SetROP2( DC_ATTR *dc_attr, INT rop ) DECLSPEC_HIDDEN;
 256 extern BOOL EMFDC_SetStretchBltMode( DC_ATTR *dc_attr, INT mode ) DECLSPEC_HIDDEN;
 257 extern BOOL EMFDC_SetTextAlign( DC_ATTR *dc_attr, UINT align ) DECLSPEC_HIDDEN;
 258 extern BOOL EMFDC_SetTextColor( DC_ATTR *dc_attr, COLORREF color ) DECLSPEC_HIDDEN;
 259 extern BOOL EMFDC_SetTextJustification( DC_ATTR *dc_attr, INT extra, INT breaks ) DECLSPEC_HIDDEN;
 260 extern BOOL EMFDC_SetViewportExtEx( DC_ATTR *dc_attr, INT x, INT y ) DECLSPEC_HIDDEN;
 261 extern BOOL EMFDC_SetViewportOrgEx( DC_ATTR *dc_attr, INT x, INT y ) DECLSPEC_HIDDEN;
 262 extern BOOL EMFDC_SetWindowExtEx( DC_ATTR *dc_attr, INT x, INT y ) DECLSPEC_HIDDEN;
 263 extern BOOL EMFDC_SetWindowOrgEx( DC_ATTR *dc_attr, INT x, INT y ) DECLSPEC_HIDDEN;
 264 extern BOOL EMFDC_SetWorldTransform( DC_ATTR *dc_attr, const XFORM *xform ) DECLSPEC_HIDDEN;
 265 extern BOOL EMFDC_StretchBlt( DC_ATTR *dc_attr, INT x_dst, INT y_dst, INT width_dst, INT height_dst,
 266                               HDC hdc_src, INT x_src, INT y_src, INT width_src, INT height_src,
 267                               DWORD rop );
 268 extern BOOL EMFDC_StretchDIBits( DC_ATTR *dc_attr, INT x_dst, INT y_dst, INT width_dst,
 269                                  INT height_dst, INT x_src, INT y_src, INT width_src,
 270                                  INT height_src, const void *bits, const BITMAPINFO *info,
 271                                  UINT coloruse, DWORD rop ) DECLSPEC_HIDDEN;
 272 extern BOOL EMFDC_StrokeAndFillPath( DC_ATTR *dc_attr ) DECLSPEC_HIDDEN;
 273 extern BOOL EMFDC_StrokePath( DC_ATTR *dc_attr ) DECLSPEC_HIDDEN;
 274 extern BOOL EMFDC_TransparentBlt( DC_ATTR *dc_attr, int x_dst, int y_dst, int width_dst,
 275                                   int height_dst, HDC hdc_src, int x_src, int y_src, int width_src,
 276                                   int height_src, UINT color ) DECLSPEC_HIDDEN;
 277 extern BOOL EMFDC_WidenPath( DC_ATTR *dc_attr ) DECLSPEC_HIDDEN;
 278
 279 extern HENHMETAFILE EMF_Create_HENHMETAFILE( ENHMETAHEADER *emh, DWORD filesize,
 280                                              BOOL on_disk ) DECLSPEC_HIDDEN;
 281
 282 static inline int get_dib_stride( int width, int bpp )
 283 {
 284     return ((width * bpp + 31) >> 3) & ~3;
 285 }
 286
 287 /* only for use on sanitized BITMAPINFO structures */
 288 static inline int get_dib_info_size( const BITMAPINFO *info, UINT coloruse )
 289 {
 290     if (info->bmiHeader.biCompression == BI_BITFIELDS)
 291         return sizeof(BITMAPINFOHEADER) + 3 * sizeof(DWORD);
 292     if (coloruse == DIB_PAL_COLORS)
 293         return sizeof(BITMAPINFOHEADER) + info->bmiHeader.biClrUsed * sizeof(WORD);
 294     return FIELD_OFFSET( BITMAPINFO, bmiColors[info->bmiHeader.biClrUsed] );
 295 }
 296
 297 extern HMODULE gdi32_module DECLSPEC_HIDDEN;
 298
 299 #endif /* __WINE_GDI_PRIVATE_H */