graphics/ttydrv/palette.c

   1 /*
   2  * TTY palette driver
   3  *
   4  * Copyright 1999 Patrik Stridvall
   5  */
   6
   7 #include "color.h"
   8 #include "debugtools.h"
   9 #include "palette.h"
  10 #include "ttydrv.h"
  11 #include "xmalloc.h"
  12
  13 DEFAULT_DEBUG_CHANNEL(ttydrv)
  14
  15 /**********************************************************************/
  16
  17 extern DeviceCaps TTYDRV_DC_DevCaps;
  18
  19 extern PALETTEENTRY *COLOR_sysPal;
  20 extern int COLOR_gapStart;
  21 extern int COLOR_gapEnd;
  22 extern int COLOR_gapFilled;
  23 extern int COLOR_max;
  24
  25 extern const PALETTEENTRY COLOR_sysPalTemplate[NB_RESERVED_COLORS];
  26
  27 /***********************************************************************
  28  *           TTYDRV_PALETTE_Initialize
  29  */
  30 BOOL TTYDRV_PALETTE_Initialize(void)
  31 {
  32   int i;
  33
  34   TRACE("(void)\n");
  35
  36   TTYDRV_DC_DevCaps.sizePalette = 256;
  37
  38   COLOR_sysPal = (PALETTEENTRY *) xmalloc(sizeof(PALETTEENTRY) * TTYDRV_DC_DevCaps.sizePalette);
  39
  40   for(i=0; i < TTYDRV_DC_DevCaps.sizePalette; i++ ) {
  41     const PALETTEENTRY *src;
  42     PALETTEENTRY *dst = &COLOR_sysPal[i];
  43
  44     if(i < NB_RESERVED_COLORS/2) {
  45       src = &COLOR_sysPalTemplate[i];
  46     } else if(i >= TTYDRV_DC_DevCaps.sizePalette - NB_RESERVED_COLORS/2) {
  47       src = &COLOR_sysPalTemplate[NB_RESERVED_COLORS + i - TTYDRV_DC_DevCaps.sizePalette];
  48     } else {
  49       PALETTEENTRY pe = { 0, 0, 0, 0 };
  50       src = &pe;
  51     }
  52
  53     if((src->peRed + src->peGreen + src->peBlue) <= 0xB0) {
  54       dst->peRed = 0;
  55       dst->peGreen = 0;
  56       dst->peBlue = 0;
  57       dst->peFlags = PC_SYS_USED;
  58     } else {
  59       dst->peRed = 255;
  60       dst->peGreen= 255;
  61       dst->peBlue = 255;
  62       dst->peFlags = PC_SYS_USED;
  63     }
  64   }
  65
  66   COLOR_gapStart = NB_RESERVED_COLORS/2;
  67   COLOR_gapEnd = NB_RESERVED_COLORS/2;
  68
  69   return TRUE;
  70 }
  71
  72 /***********************************************************************
  73  *           TTYDRV_PALETTE_Finalize
  74  *
  75  */
  76 void TTYDRV_PALETTE_Finalize(void)
  77 {
  78   TRACE("(void)\n");
  79 }
  80
  81 /***********************************************************************
  82  *           TTYDRV_PALETTE_SetMapping
  83  */
  84 int TTYDRV_PALETTE_SetMapping(
  85   PALETTEOBJ *palPtr, UINT uStart, UINT uNum, BOOL mapOnly)
  86 {
  87   FIXME("(%p, %u, %u, %d): stub\n", palPtr, uStart, uNum, mapOnly);
  88
  89   return 0;
  90 }
  91
  92 /***********************************************************************
  93  *           TTYDRV_PALETTE_UpdateMapping
  94  */
  95 int TTYDRV_PALETTE_UpdateMapping(PALETTEOBJ *palPtr)
  96 {
  97   TRACE("(%p)\n", palPtr);
  98
  99   return 0;
 100 }
 101
 102 /***********************************************************************
 103  *           TTYDRV_PALETTE_IsDark
 104  */
 105 int TTYDRV_PALETTE_IsDark(int pixel)
 106 {
 107   FIXME("(%d): stub\n", pixel);
 108
 109   return 0;
 110 }