graphics/ttydrv/palette.c

   1 /*
   2  * TTY palette driver
   3  *
   4  * Copyright 1999 Patrik Stridvall
   5  */
   6
   7 #include <stdlib.h>
   8
   9 #include "color.h"
  10 #include "debugtools.h"
  11 #include "palette.h"
  12 #include "winbase.h"
  13 #include "ttydrv.h"
  14
  15 DEFAULT_DEBUG_CHANNEL(ttydrv)
  16
  17 /**********************************************************************/
  18
  19 extern DeviceCaps TTYDRV_DC_DevCaps;
  20
  21 extern PALETTEENTRY *COLOR_sysPal;
  22 extern int COLOR_gapStart;
  23 extern int COLOR_gapEnd;
  24 extern int COLOR_gapFilled;
  25 extern int COLOR_max;
  26
  27 extern const PALETTEENTRY COLOR_sysPalTemplate[NB_RESERVED_COLORS];
  28
  29 /***********************************************************************
  30  *           TTYDRV_PALETTE_Initialize
  31  */
  32 BOOL TTYDRV_PALETTE_Initialize(void)
  33 {
  34   int i;
  35
  36   TRACE("(void)\n");
  37
  38   TTYDRV_DC_DevCaps.sizePalette = 256;
  39
  40   COLOR_sysPal = (PALETTEENTRY *) HeapAlloc(GetProcessHeap(), 0, sizeof(PALETTEENTRY) * TTYDRV_DC_DevCaps.sizePalette);
  41   if(COLOR_sysPal == NULL) {
  42     WARN("No memory to create system palette!");
  43     return FALSE;
  44   }
  45
  46   for(i=0; i < TTYDRV_DC_DevCaps.sizePalette; i++ ) {
  47     const PALETTEENTRY *src;
  48     PALETTEENTRY *dst = &COLOR_sysPal[i];
  49
  50     if(i < NB_RESERVED_COLORS/2) {
  51       src = &COLOR_sysPalTemplate[i];
  52     } else if(i >= TTYDRV_DC_DevCaps.sizePalette - NB_RESERVED_COLORS/2) {
  53       src = &COLOR_sysPalTemplate[NB_RESERVED_COLORS + i - TTYDRV_DC_DevCaps.sizePalette];
  54     } else {
  55       PALETTEENTRY pe = { 0, 0, 0, 0 };
  56       src = &pe;
  57     }
  58
  59     if((src->peRed + src->peGreen + src->peBlue) <= 0xB0) {
  60       dst->peRed = 0;
  61       dst->peGreen = 0;
  62       dst->peBlue = 0;
  63       dst->peFlags = PC_SYS_USED;
  64     } else {
  65       dst->peRed = 255;
  66       dst->peGreen= 255;
  67       dst->peBlue = 255;
  68       dst->peFlags = PC_SYS_USED;
  69     }
  70   }
  71
  72   COLOR_gapStart = NB_RESERVED_COLORS/2;
  73   COLOR_gapEnd = NB_RESERVED_COLORS/2;
  74
  75   return TRUE;
  76 }
  77
  78 /***********************************************************************
  79  *           TTYDRV_PALETTE_Finalize
  80  *
  81  */
  82 void TTYDRV_PALETTE_Finalize(void)
  83 {
  84   TRACE("(void)\n");
  85 }
  86
  87 /***********************************************************************
  88  *           TTYDRV_PALETTE_SetMapping
  89  */
  90 int TTYDRV_PALETTE_SetMapping(
  91   PALETTEOBJ *palPtr, UINT uStart, UINT uNum, BOOL mapOnly)
  92 {
  93   FIXME("(%p, %u, %u, %d): stub\n", palPtr, uStart, uNum, mapOnly);
  94
  95   return 0;
  96 }
  97
  98 /***********************************************************************
  99  *           TTYDRV_PALETTE_UpdateMapping
 100  */
 101 int TTYDRV_PALETTE_UpdateMapping(PALETTEOBJ *palPtr)
 102 {
 103   TRACE("(%p)\n", palPtr);
 104
 105   return 0;
 106 }
 107
 108 /***********************************************************************
 109  *           TTYDRV_PALETTE_IsDark
 110  */
 111 int TTYDRV_PALETTE_IsDark(int pixel)
 112 {
 113   FIXME("(%d): stub\n", pixel);
 114
 115   return 0;
 116 }