prj/tech/libsrc/dev2d/tluctab.h

   1 /*
   2  * $Source: x:/prj/tech/libsrc/dev2d/RCS/tluctab.h $
   3  * $Revision: 1.4 $
   4  * $Author: KEVIN $
   5  * $Date: 1997/01/22 12:54:25 $
   6  *
   7  * Declarations and macros for translucency
   8  * table generation.
   9  *
  10  * This file is part of the dev2d library.
  11  *
  12  */
  13
  14 #ifndef _TLUCTAB
  15 #define _TLUCTAB
  16
  17 #include <grd.h>
  18 #include <grmalloc.h>
  19 #include <alpha.h>
  20
  21 #ifdef __cplusplus
  22 extern "C" {
  23 #endif
  24
  25 extern void gr_init_clut16_vector(ushort *clut16, int color, alpha_vector *opacity, int format);
  26 extern void gr_init_clut16(ushort *clut16, int color, alpha_real opacity, int format);
  27 extern void gr_init_clut565(ushort *clut16, int color, float opacity);
  28 extern void gr_init_clut555(ushort *clut16, int color, float opacity);
  29
  30 extern uchar *gr_init_simple_translucency_table(uchar *p, fix opacity, grs_rgb color, uchar *pal);
  31 extern uchar *gr_init_translucency_table(uchar *p, fix opacity, fix purity, grs_rgb color);
  32 extern uchar *gr_init_lit_translucency_table(uchar *p, fix opacity, fix purity, grs_rgb color, grs_rgb light);
  33 extern uchar *gr_init_lit_translucency_tables(uchar *p, fix opacity, fix purity, grs_rgb color, int n);
  34
  35 extern int gr_dump_tluc8_table(uchar *buf, int nlit);
  36 extern void gr_read_tluc8_table(uchar *buf);
  37
  38 #define gr_alloc_translucency_table(n) \
  39    ((uchar *)gr_malloc(n*256))
  40 #define gr_free_translucency_table(tab) (gr_free(tab))
  41
  42 #define gr_make_translucency_table(op, pu, co) \
  43   (gr_init_translucency_table(gr_alloc_translucency_table(1), op, pu, co))
  44 #define gr_make_lit_translucency_table(op, pu, co, li) \
  45   (gr_init_translucency_table(gr_alloc_translucency_table(1), op, pu, co, li))
  46 #define gr_make_lit_translucency_tables(op, pu, co, lnum) \
  47   (gr_init_lit_translucency_tables(gr_alloc_translucency_table(lnum), op, pu, co, lnum))
  48
  49 #define gr_make_tluc8_table(num, op, pu, co) \
  50    (tluc8tab[num]=gr_make_translucency_table(op, pu, co))
  51 #define gr_make_lit_tluc8_table(num, op, pu, co, li) \
  52    (tluc8ltab[num]=gr_make_lit_translucency_tables(op, pu, co, li), \
  53     gr_make_tluc8_table(num, op, pu, co))
  54 #define gr_alloc_tluc8_spoly_table(num) \
  55    (tluc8nstab=num, tluc8stab=gr_alloc_translucency_table(num))
  56 #define gr_init_tluc8_spoly_table(num, op, pu, co, li) \
  57    (gr_init_lit_translucency_table(tluc8stab+(256*num), op, pu, co, li))
  58 #define gr_init_tluc8_spoly_tables(num, op, pu, co, li) \
  59    (gr_init_lit_translucency_tables(tluc8stab+(256*num), op, pu, co, li))
  60 #define gr_bind_tluc8_table(num, p) (tluc8tab[num]=p)
  61 #define gr_bind_lit_tluc8_table(num, p) (tluc8ltab[num]=p)
  62 #define gr_bind_tluc8_spoly_table(p) (tluc8stab=p)
  63
  64 #ifdef __cplusplus
  65 };
  66 #endif
  67 #endif