src/image.h

   1 /* Copyright (c) 2008, 2009
   2  *      Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
   3  *      Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
   4  *      Micah Cowan (micah@cowan.name)
   5  *      Sadrul Habib Chowdhury (sadrul@users.sourceforge.net)
   6  * Copyright (c) 1993-2002, 2003, 2005, 2006, 2007
   7  *      Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
   8  *      Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
   9  * Copyright (c) 1987 Oliver Laumann
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 3, or (at your option)
  14  * any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program (see the file COPYING); if not, see
  23  * http://www.gnu.org/licenses/, or contact Free Software Foundation, Inc.,
  24  * 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  25  *
  26  ****************************************************************
  27  * $Id$ GNU
  28  */
  29
  30
  31 #undef IFFONT
  32 #undef IFCOLOR
  33
  34 #ifdef FONT
  35 # define IFFONT(x) x
  36 #else
  37 # define IFFONT(x)
  38 #endif
  39
  40 #ifdef COLOR
  41 # define IFCOLOR(x) x
  42 #else
  43 # define IFCOLOR(x)
  44 #endif
  45
  46 #if defined(COLOR) && defined(COLORS16) && defined(COLORS256)
  47 # define IFCOLORX(x) x
  48 #else
  49 # define IFCOLORX(x)
  50 #endif
  51
  52 #ifdef DW_CHARS
  53 # define IFDWCHAR(x) x
  54 #else
  55 # define IFDWCHAR(x)
  56 #endif
  57
  58 struct mchar {
  59          unsigned char image;
  60          unsigned char attr;
  61 IFFONT(  unsigned char font; )
  62 IFCOLOR( unsigned char color; )
  63 IFCOLORX(unsigned char colorx; )
  64 IFDWCHAR(unsigned char mbcs; )
  65 };
  66
  67 struct mline {
  68          unsigned char *image;
  69          unsigned char *attr;
  70 IFFONT(  unsigned char *font; )
  71 IFCOLOR( unsigned char *color; )
  72 IFCOLORX(unsigned char *colorx; )
  73 };
  74
  75
  76
  77 #define save_mline(ml, n) do {                                          \
  78          bcopy((char *)(ml)->image, (char *)mline_old.image, (n));      \
  79          bcopy((char *)(ml)->attr,  (char *)mline_old.attr,  (n));      \
  80 IFFONT(  bcopy((char *)(ml)->font,  (char *)mline_old.font,  (n));    ) \
  81 IFCOLOR( bcopy((char *)(ml)->color, (char *)mline_old.color, (n));    ) \
  82 IFCOLORX(bcopy((char *)(ml)->colorx, (char *)mline_old.colorx, (n));  ) \
  83 } while (0)
  84
  85 #define bcopy_mline(ml, xf, xt, n) do {                                        \
  86          bcopy((char *)(ml)->image + (xf), (char *)(ml)->image + (xt), (n));   \
  87          bcopy((char *)(ml)->attr  + (xf), (char *)(ml)->attr  + (xt), (n));   \
  88 IFFONT(  bcopy((char *)(ml)->font  + (xf), (char *)(ml)->font  + (xt), (n)); ) \
  89 IFCOLOR( bcopy((char *)(ml)->color + (xf), (char *)(ml)->color + (xt), (n)); ) \
  90 IFCOLORX(bcopy((char *)(ml)->colorx + (xf), (char *)(ml)->colorx + (xt), (n));) \
  91 } while (0)
  92
  93 #define clear_mline(ml, x, n) do {                                             \
  94          bclear((char *)(ml)->image + (x), (n));                               \
  95          if ((ml)->attr != null) bzero((char *)(ml)->attr  + (x), (n));        \
  96 IFFONT(  if ((ml)->font != null) bzero((char *)(ml)->font  + (x), (n));      ) \
  97 IFCOLOR( if ((ml)->color!= null) bzero((char *)(ml)->color + (x), (n));      ) \
  98 IFCOLORX(if ((ml)->colorx!= null) bzero((char *)(ml)->colorx + (x), (n));    ) \
  99 } while (0)
 100
 101 #define cmp_mline(ml1, ml2, x) (                                \
 102             (ml1)->image[x] == (ml2)->image[x]                  \
 103          && (ml1)->attr[x]  == (ml2)->attr[x]                   \
 104 IFFONT(  && (ml1)->font[x]  == (ml2)->font[x]                 ) \
 105 IFCOLOR( && (ml1)->color[x] == (ml2)->color[x]                ) \
 106 IFCOLORX(&& (ml1)->colorx[x] == (ml2)->colorx[x]              ) \
 107 )
 108
 109 #define cmp_mchar(mc1, mc2) (                                   \
 110             (mc1)->image == (mc2)->image                        \
 111          && (mc1)->attr  == (mc2)->attr                         \
 112 IFFONT(  && (mc1)->font  == (mc2)->font                       ) \
 113 IFCOLOR( && (mc1)->color == (mc2)->color                      ) \
 114 IFCOLORX(&& (mc1)->colorx == (mc2)->colorx                    ) \
 115 )
 116
 117 #define cmp_mchar_mline(mc, ml, x) (                            \
 118             (mc)->image == (ml)->image[x]                       \
 119          && (mc)->attr  == (ml)->attr[x]                        \
 120 IFFONT(  && (mc)->font  == (ml)->font[x]                      ) \
 121 IFCOLOR( && (mc)->color == (ml)->color[x]                     ) \
 122 IFCOLORX(&& (mc)->colorx == (ml)->colorx[x]                   ) \
 123 )
 124
 125 #define copy_mchar2mline(mc, ml, x) do {                        \
 126          (ml)->image[x] = (mc)->image;                          \
 127          (ml)->attr[x]  = (mc)->attr;                           \
 128 IFFONT(  (ml)->font[x]  = (mc)->font;                         ) \
 129 IFCOLOR( (ml)->color[x] = (mc)->color;                        ) \
 130 IFCOLORX((ml)->colorx[x] = (mc)->colorx;                      ) \
 131 } while (0)
 132
 133 #define copy_mline2mchar(mc, ml, x) do {                        \
 134          (mc)->image = (ml)->image[x];                          \
 135          (mc)->attr  = (ml)->attr[x];                           \
 136 IFFONT(  (mc)->font  = (ml)->font[x];                         ) \
 137 IFCOLOR( (mc)->color = (ml)->color[x];                        ) \
 138 IFCOLORX((mc)->colorx = (ml)->colorx[x];                      ) \
 139 IFDWCHAR((mc)->mbcs  = 0;                                     ) \
 140 } while (0)
 141
 142 #ifdef COLOR
 143 # ifdef COLORS16
 144 #  ifdef COLORS256
 145 #   define rend_getbg(mc) (((mc)->color & 0xf0) >> 4 | ((mc)->attr & A_BBG ? 0x100 : 0) | ((mc)->colorx & 0xf0))
 146 #   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))
 147 #   define rend_getfg(mc) (((mc)->color & 0x0f) | ((mc)->attr & A_BFG ? 0x100 : 0) | (((mc)->colorx & 0x0f) << 4))
 148 #   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))
 149 #   define rend_setdefault(mc) ((mc)->color = (mc)->colorx = 0, (mc)->attr &= ~(A_BBG|A_BFG))
 150 #  else
 151 #   define rend_getbg(mc) (((mc)->color & 0xf0) >> 4 | ((mc)->attr & A_BBG ? 0x100 : 0))
 152 #   define rend_setbg(mc, c) ((mc)->color = ((mc)->color & 0x0f) | (c << 4 & 0xf0), (mc)->attr = ((mc)->attr | A_BBG) ^ (c & 0x100 ? 0 : A_BBG))
 153 #   define rend_getfg(mc) (((mc)->color & 0x0f) | ((mc)->attr & A_BFG ? 0x100 : 0))
 154 #   define rend_setfg(mc, c) ((mc)->color = ((mc)->color & 0xf0) | (c & 0x0f), (mc)->attr = ((mc)->attr | A_BFG) ^ (c & 0x100 ? 0 : A_BFG))
 155 #   define rend_setdefault(mc) ((mc)->color = 0, (mc)->attr &= ~(A_BBG|A_BFG))
 156 #  endif
 157 #  define coli2e(c) ((((c) & 0x1f8) == 0x108 ? (c) ^ 0x108 : (c & 0xff)) ^ 9)
 158 #  define cole2i(c) ((c) >= 8 && (c) < 16 ? (c) ^ 0x109 : (c) ^ 9)
 159 # else
 160 #  define rend_getbg(mc) (((mc)->color & 0xf0) >> 4)
 161 #  define rend_setbg(mc, c) ((mc)->color = ((mc)->color & 0x0f) | (c << 4 & 0xf0))
 162 #  define rend_getfg(mc) ((mc)->color & 0x0f)
 163 #  define rend_setfg(mc, c) ((mc)->color = ((mc)->color & 0xf0) | (c & 0x0f))
 164 #  define rend_setdefault(mc) ((mc)->color = 0)
 165 #  define coli2e(c) ((c) ^ 9)
 166 #  define cole2i(c) ((c) ^ 9)
 167 # endif
 168 #endif
 169
 170 enum
 171 {
 172   REND_BELL = 0,
 173   REND_MONITOR,
 174   REND_SILENCE,
 175   NUM_RENDS
 176 };
 177