include/palette.h

   1 /*
   2  * GDI palette definitions
   3  *
   4  * Copyright 1994 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #ifndef __WINE_PALETTE_H
  22 #define __WINE_PALETTE_H
  23
  24 #include "gdi.h"
  25
  26 #define NB_RESERVED_COLORS              20 /* number of fixed colors in system palette */
  27
  28   /* GDI logical palette object */
  29 typedef struct tagPALETTEOBJ
  30 {
  31     GDIOBJHDR                    header;
  32     int                          *mapping;
  33     LOGPALETTE                   logpalette; /* _MUST_ be the last field */
  34 } PALETTEOBJ;
  35
  36 typedef struct tagPALETTE_DRIVER
  37 {
  38   int  (*pSetMapping)(struct tagPALETTEOBJ *, UINT, UINT, BOOL);
  39   int  (*pUpdateMapping)(struct tagPALETTEOBJ *);
  40   BOOL (*pIsDark)(int pixel);
  41 } PALETTE_DRIVER;
  42
  43 extern PALETTE_DRIVER *PALETTE_Driver;
  44
  45 extern HPALETTE16 PALETTE_Init(void);
  46 extern int PALETTE_GetObject( PALETTEOBJ * palette, int count, LPSTR buffer );
  47 extern BOOL PALETTE_DeleteObject( HPALETTE16 hpalette, PALETTEOBJ *palette );
  48 extern BOOL PALETTE_UnrealizeObject( HPALETTE16 hpalette, PALETTEOBJ *palette);
  49
  50 extern HPALETTE16 WINAPI CreateHalftonePalette16(HDC16 hdc);
  51 extern HPALETTE WINAPI CreateHalftonePalette(HDC hdc);
  52
  53 #endif /* __WINE_PALETTE_H */