src/image.h

   1 /* Copyright (c) 1993-2002
   2  *      Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
   3  *      Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
   4  * Copyright (c) 1987 Oliver Laumann
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 3, or (at your option)
   9  * any later version.
  10  *
  11  * This program 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
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program (see the file COPYING); if not, see
  18  * http://www.gnu.org/licenses/, or contact Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  20  *
  21  ****************************************************************
  22  * $Id$ FAU
  23  */
  24
  25
  26 #undef IFFONT
  27 #undef IFCOLOR
  28
  29 #ifdef FONT
  30 # define IFFONT(x) x
  31 #else
  32 # define IFFONT(x)
  33 #endif
  34
  35 #ifdef COLOR
  36 # define IFCOLOR(x) x
  37 #else
  38 # define IFCOLOR(x)
  39 #endif
  40
  41 #if defined(COLOR) && defined(COLORS16) && defined(COLORS256)
  42 # define IFCOLORX(x) x
  43 #else
  44 # define IFCOLORX(x)
  45 #endif
  46
  47 #ifdef DW_CHARS
  48 # define IFDWCHAR(x) x
  49 #else
  50 # define IFDWCHAR(x)
  51 #endif
  52
  53 struct mchar {
  54          unsigned char image;
  55          unsigned char attr;
  56 IFFONT(  unsigned char font; )
  57 IFCOLOR( unsigned char color; )
  58 IFCOLORX(unsigned char colorx; )
  59 IFDWCHAR(unsigned char mbcs; )
  60 };
  61
  62 struct mline {
  63          unsigned char *image;
  64          unsigned char *attr;
  65 IFFONT(  unsigned char *font; )
  66 IFCOLOR( unsigned char *color; )
  67 IFCOLORX(unsigned char *colorx; )
  68 };
  69
  70
  71
  72 #define save_mline(ml, n) do {                                          \
  73          bcopy((char *)(ml)->image, (char *)mline_old.image, (n));      \
  74          bcopy((char *)(ml)->attr,  (char *)mline_old.attr,  (n));      \
  75 IFFONT(  bcopy((char *)(ml)->font,  (char *)mline_old.font,  (n));    ) \
  76 IFCOLOR( bcopy((char *)(ml)->color, (char *)mline_old.color, (n));    ) \
  77 IFCOLORX(bcopy((char *)(ml)->colorx, (char *)mline_old.colorx, (n));  ) \
  78 } while (0)
  79
  80 #define bcopy_mline(ml, xf, xt, n) do {                                        \
  81          bcopy((char *)(ml)->image + (xf), (char *)(ml)->image + (xt), (n));   \
  82          bcopy((char *)(ml)->attr  + (xf), (char *)(ml)->attr  + (xt), (n));   \
  83 IFFONT(  bcopy((char *)(ml)->font  + (xf), (char *)(ml)->font  + (xt), (n)); ) \
  84 IFCOLOR( bcopy((char *)(ml)->color + (xf), (char *)(ml)->color + (xt), (n)); ) \
  85 IFCOLORX(bcopy((char *)(ml)->colorx + (xf), (char *)(ml)->colorx + (xt), (n));) \
  86 } while (0)
  87
  88 #define clear_mline(ml, x, n) do {                                             \
  89          bclear((char *)(ml)->image + (x), (n));                               \
  90          if ((ml)->attr != null) bzero((char *)(ml)->attr  + (x), (n));        \
  91 IFFONT(  if ((ml)->font != null) bzero((char *)(ml)->font  + (x), (n));      ) \
  92 IFCOLOR( if ((ml)->color!= null) bzero((char *)(ml)->color + (x), (n));      ) \
  93 IFCOLORX(if ((ml)->colorx!= null) bzero((char *)(ml)->colorx + (x), (n));    ) \
  94 } while (0)
  95
  96 #define cmp_mline(ml1, ml2, x) (                                \
  97             (ml1)->image[x] == (ml2)->image[x]                  \
  98          && (ml1)->attr[x]  == (ml2)->attr[x]                   \
  99 IFFONT(  && (ml1)->font[x]  == (ml2)->font[x]                 ) \
 100 IFCOLOR( && (ml1)->color[x] == (ml2)->color[x]                ) \
 101 IFCOLORX(&& (ml1)->colorx[x] == (ml2)->colorx[x]              ) \
 102 )
 103
 104 #define cmp_mchar(mc1, mc2) (                                   \
 105             (mc1)->image == (mc2)->image                        \
 106          && (mc1)->attr  == (mc2)->attr                         \
 107 IFFONT(  && (mc1)->font  == (mc2)->font                       ) \
 108 IFCOLOR( && (mc1)->color == (mc2)->color                      ) \
 109 IFCOLORX(&& (mc1)->colorx == (mc2)->colorx                    ) \
 110 )
 111
 112 #define cmp_mchar_mline(mc, ml, x) (                            \
 113             (mc)->image == (ml)->image[x]                       \
 114          && (mc)->attr  == (ml)->attr[x]                        \
 115 IFFONT(  && (mc)->font  == (ml)->font[x]                      ) \
 116 IFCOLOR( && (mc)->color == (ml)->color[x]                     ) \
 117 IFCOLORX(&& (mc)->colorx == (ml)->colorx[x]                   ) \
 118 )
 119
 120 #define copy_mchar2mline(mc, ml, x) do {                        \
 121          (ml)->image[x] = (mc)->image;                          \
 122          (ml)->attr[x]  = (mc)->attr;                           \
 123 IFFONT(  (ml)->font[x]  = (mc)->font;                         ) \
 124 IFCOLOR( (ml)->color[x] = (mc)->color;                        ) \
 125 IFCOLORX((ml)->colorx[x] = (mc)->colorx;                      ) \
 126 } while (0)
 127
 128 #define copy_mline2mchar(mc, ml, x) do {                        \
 129          (mc)->image = (ml)->image[x];                          \
 130          (mc)->attr  = (ml)->attr[x];                           \
 131 IFFONT(  (mc)->font  = (ml)->font[x];                         ) \
 132 IFCOLOR( (mc)->color = (ml)->color[x];                        ) \
 133 IFCOLORX((mc)->colorx = (ml)->colorx[x];                      ) \
 134 IFDWCHAR((mc)->mbcs  = 0;                                     ) \
 135 } while (0)
 136
 137 #ifdef COLOR
 138 # ifdef COLORS16
 139 #  ifdef COLORS256
 140 #   define rend_getbg(mc) (((mc)->color & 0xf0) >> 4 | ((mc)->attr & A_BBG ? 0x100 : 0) | ((mc)->colorx & 0xf0))
 141 #   define rend_setbg(mc, c) ((mc)->color = ((mc)->color & 0x0f) | (c << 4 & 0xf0), (mc)->colorx = ((mc)->colorx & 0x0f) | (c & 0xf0), (mc)->attr = ((mc)->attr | A_BBG) ^ (c & 0x100 ? 0 : A_BBG))
 142 #   define rend_getfg(mc) (((mc)->color & 0x0f) | ((mc)->attr & A_BFG ? 0x100 : 0) | (((mc)->colorx & 0x0f) << 4))
 143 #   define rend_setfg(mc, c) ((mc)->color = ((mc)->color & 0xf0) | (c & 0x0f), (mc)->colorx = ((mc)->colorx & 0xf0) | ((c & 0xf0) >> 4), (mc)->attr = ((mc)->attr | A_BFG) ^ (c & 0x100 ? 0 : A_BFG))
 144 #   define rend_setdefault(mc) ((mc)->color = (mc)->colorx = 0, (mc)->attr &= ~(A_BBG|A_BFG))
 145 #  else
 146 #   define rend_getbg(mc) (((mc)->color & 0xf0) >> 4 | ((mc)->attr & A_BBG ? 0x100 : 0))
 147 #   define rend_setbg(mc, c) ((mc)->color = ((mc)->color & 0x0f) | (c << 4 & 0xf0), (mc)->attr = ((mc)->attr | A_BBG) ^ (c & 0x100 ? 0 : A_BBG))
 148 #   define rend_getfg(mc) (((mc)->color & 0x0f) | ((mc)->attr & A_BFG ? 0x100 : 0))
 149 #   define rend_setfg(mc, c) ((mc)->color = ((mc)->color & 0xf0) | (c & 0x0f), (mc)->attr = ((mc)->attr | A_BFG) ^ (c & 0x100 ? 0 : A_BFG))
 150 #   define rend_setdefault(mc) ((mc)->color = 0, (mc)->attr &= ~(A_BBG|A_BFG))
 151 #  endif
 152 #  define coli2e(c) ((((c) & 0x1f8) == 0x108 ? (c) ^ 0x108 : (c & 0xff)) ^ 9)
 153 #  define cole2i(c) ((c) >= 8 && (c) < 16 ? (c) ^ 0x109 : (c) ^ 9)
 154 # else
 155 #  define rend_getbg(mc) (((mc)->color & 0xf0) >> 4)
 156 #  define rend_setbg(mc, c) ((mc)->color = ((mc)->color & 0x0f) | (c << 4 & 0xf0))
 157 #  define rend_getfg(mc) ((mc)->color & 0x0f)
 158 #  define rend_setfg(mc, c) ((mc)->color = ((mc)->color & 0xf0) | (c & 0x0f))
 159 #  define rend_setdefault(mc) ((mc)->color = 0)
 160 #  define coli2e(c) ((c) ^ 9)
 161 #  define cole2i(c) ((c) ^ 9)
 162 # endif
 163 #endif