dlls/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   COLOR_sysPal = (PALETTEENTRY *) HeapAlloc(GetProcessHeap(), 0, sizeof(PALETTEENTRY) * TTYDRV_DC_DevCaps.sizePalette);
  39   if(COLOR_sysPal == NULL) {
  40     WARN("No memory to create system palette!");
  41     return FALSE;
  42   }
  43
  44   for(i=0; i < TTYDRV_DC_DevCaps.sizePalette; i++ ) {
  45     const PALETTEENTRY *src;
  46     PALETTEENTRY *dst = &COLOR_sysPal[i];
  47
  48     if(i < NB_RESERVED_COLORS/2) {
  49       src = &COLOR_sysPalTemplate[i];
  50     } else if(i >= TTYDRV_DC_DevCaps.sizePalette - NB_RESERVED_COLORS/2) {
  51       src = &COLOR_sysPalTemplate[NB_RESERVED_COLORS + i - TTYDRV_DC_DevCaps.sizePalette];
  52     } else {
  53       PALETTEENTRY pe = { 0, 0, 0, 0 };
  54       src = &pe;
  55     }
  56
  57     if((src->peRed + src->peGreen + src->peBlue) <= 0xB0) {
  58       dst->peRed = 0;
  59       dst->peGreen = 0;
  60       dst->peBlue = 0;
  61       dst->peFlags = PC_SYS_USED;
  62     } else {
  63       dst->peRed = 255;
  64       dst->peGreen= 255;
  65       dst->peBlue = 255;
  66       dst->peFlags = PC_SYS_USED;
  67     }
  68   }
  69
  70   COLOR_gapStart = NB_RESERVED_COLORS/2;
  71   COLOR_gapEnd = NB_RESERVED_COLORS/2;
  72
  73   return TRUE;
  74 }
  75
  76 /***********************************************************************
  77  *           TTYDRV_PALETTE_Finalize
  78  *
  79  */
  80 void TTYDRV_PALETTE_Finalize(void)
  81 {
  82   TRACE("(void)\n");
  83 }
  84
  85 /***********************************************************************
  86  *           TTYDRV_PALETTE_SetMapping
  87  */
  88 int TTYDRV_PALETTE_SetMapping(
  89   PALETTEOBJ *palPtr, UINT uStart, UINT uNum, BOOL mapOnly)
  90 {
  91   FIXME("(%p, %u, %u, %d): stub\n", palPtr, uStart, uNum, mapOnly);
  92
  93   return 0;
  94 }
  95
  96 /***********************************************************************
  97  *           TTYDRV_PALETTE_UpdateMapping
  98  */
  99 int TTYDRV_PALETTE_UpdateMapping(PALETTEOBJ *palPtr)
 100 {
 101   TRACE("(%p)\n", palPtr);
 102
 103   return 0;
 104 }
 105
 106 /***********************************************************************
 107  *           TTYDRV_PALETTE_IsDark
 108  */
 109 int TTYDRV_PALETTE_IsDark(int pixel)
 110 {
 111   FIXME("(%d): stub\n", pixel);
 112
 113   return 0;
 114 }