graphics/ttydrv/dc.c

   1 /*
   2  * TTY DC driver
   3  *
   4  * Copyright 1999 Patrik Stridvall
   5  */
   6
   7 #include "config.h"
   8
   9 #include "gdi.h"
  10 #include "bitmap.h"
  11 #include "dc.h"
  12 #include "ttydrv.h"
  13 #include "winbase.h"
  14 #include "debugtools.h"
  15
  16 DEFAULT_DEBUG_CHANNEL(ttydrv);
  17
  18 /**********************************************************************/
  19
  20 extern DeviceCaps TTYDRV_DC_DevCaps;
  21
  22 /***********************************************************************
  23  *           TTYDRV_DC_CreateDC
  24  */
  25 BOOL TTYDRV_DC_CreateDC(DC *dc, LPCSTR driver, LPCSTR device,
  26                         LPCSTR output, const DEVMODEA *initData)
  27 {
  28   TTYDRV_PDEVICE *physDev;
  29   BITMAPOBJ *bmp;
  30
  31   TRACE("(%p, %s, %s, %s, %p)\n",
  32     dc, debugstr_a(driver), debugstr_a(device),
  33     debugstr_a(output), initData);
  34
  35   dc->physDev = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
  36                           sizeof(TTYDRV_PDEVICE));
  37   if(!dc->physDev) {
  38     ERR("Can't allocate physDev\n");
  39     return FALSE;
  40   }
  41   physDev = (TTYDRV_PDEVICE *) dc->physDev;
  42
  43   dc->w.devCaps = &TTYDRV_DC_DevCaps;
  44
  45   if(dc->w.flags & DC_MEMORY){
  46     physDev->window = NULL;
  47     physDev->cellWidth = 1;
  48     physDev->cellHeight = 1;
  49
  50     TTYDRV_DC_CreateBitmap(dc->w.hBitmap);
  51     bmp = (BITMAPOBJ *) GDI_GetObjPtr(dc->w.hBitmap, BITMAP_MAGIC);
  52
  53     dc->w.bitsPerPixel = bmp->bitmap.bmBitsPixel;
  54
  55     dc->w.totalExtent.left   = 0;
  56     dc->w.totalExtent.top    = 0;
  57     dc->w.totalExtent.right  = bmp->bitmap.bmWidth;
  58     dc->w.totalExtent.bottom = bmp->bitmap.bmHeight;
  59     dc->w.hVisRgn            = CreateRectRgnIndirect( &dc->w.totalExtent );
  60
  61     GDI_HEAP_UNLOCK( dc->w.hBitmap );
  62   } else {
  63     physDev->window = TTYDRV_GetRootWindow();
  64     physDev->cellWidth = cell_width;
  65     physDev->cellHeight = cell_height;
  66
  67     dc->w.bitsPerPixel       = 1;
  68     dc->w.totalExtent.left   = 0;
  69     dc->w.totalExtent.top    = 0;
  70     dc->w.totalExtent.right  = cell_width * screen_cols;
  71     dc->w.totalExtent.bottom = cell_height * screen_rows;
  72     dc->w.hVisRgn            = CreateRectRgnIndirect( &dc->w.totalExtent );
  73   }
  74
  75   return TRUE;
  76 }
  77
  78 /***********************************************************************
  79  *           TTYDRV_DC_DeleteDC
  80  */
  81 BOOL TTYDRV_DC_DeleteDC(DC *dc)
  82 {
  83   TRACE("(%p)\n", dc);
  84
  85   HeapFree( GetProcessHeap(), 0, dc->physDev );
  86   dc->physDev = NULL;
  87
  88   return TRUE;
  89 }
  90
  91 /***********************************************************************
  92  *           TTYDRV_DC_Escape
  93  */
  94 INT TTYDRV_DC_Escape(DC *dc, INT nEscape, INT cbInput,
  95                      SEGPTR lpInData, SEGPTR lpOutData)
  96 {
  97   return 0;
  98 }
  99