win32ss/user/winsrv/consrv/frontends/gui/graphics.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS Console Server DLL
   4  * FILE:            win32ss/user/winsrv/consrv/frontends/gui/graphics.c
   5  * PURPOSE:         GUI Terminal Front-End - Support for graphics-mode screen-buffers
   6  * PROGRAMMERS:     Hermes Belusca-Maito (hermes.belusca@sfr.fr)
   7  */
   8
   9 /* INCLUDES *******************************************************************/
  10
  11 #include "consrv.h"
  12 #include "include/conio.h"
  13 #include "include/settings.h"
  14 #include "guisettings.h"
  15
  16 #define NDEBUG
  17 #include <debug.h>
  18
  19
  20 /* FUNCTIONS ******************************************************************/
  21
  22 VOID
  23 GuiCopyFromGraphicsBuffer(PGRAPHICS_SCREEN_BUFFER Buffer)
  24 {
  25     /*
  26      * This function supposes that the system clipboard was opened.
  27      */
  28
  29     // PCONSOLE Console = Buffer->Header.Console;
  30
  31     UNIMPLEMENTED;
  32 }
  33
  34 VOID
  35 GuiPasteToGraphicsBuffer(PGRAPHICS_SCREEN_BUFFER Buffer)
  36 {
  37     /*
  38      * This function supposes that the system clipboard was opened.
  39      */
  40
  41     // PCONSOLE Console = Buffer->Header.Console;
  42
  43     UNIMPLEMENTED;
  44 }
  45
  46 VOID
  47 GuiPaintGraphicsBuffer(PGRAPHICS_SCREEN_BUFFER Buffer,
  48                        PGUI_CONSOLE_DATA GuiData,
  49                        HDC hDC,
  50                        PRECT rc)
  51 {
  52     if (Buffer->BitMap == NULL) return;
  53
  54     /* Grab the mutex */
  55     NtWaitForSingleObject(Buffer->Mutex, FALSE, NULL);
  56
  57     /*
  58      * The seventh parameter (YSrc) of SetDIBitsToDevice always designates
  59      * the Y-coordinate of the "lower-left corner" of the image, be the DIB
  60      * in bottom-up or top-down mode.
  61      */
  62     SetDIBitsToDevice(hDC,
  63                       /* Coordinates / size of the repainted rectangle, in the view's frame */
  64                       rc->left,
  65                       rc->top,
  66                       rc->right  - rc->left,
  67                       rc->bottom - rc->top,
  68                       /* Coordinates / size of the corresponding image portion, in the graphics screen-buffer's frame */
  69                       Buffer->ViewOrigin.X + rc->left,
  70                       Buffer->ViewOrigin.Y + rc->top,
  71                       0,
  72                       Buffer->ScreenBufferSize.Y, // == Buffer->BitMapInfo->bmiHeader.biHeight
  73                       Buffer->BitMap,
  74                       Buffer->BitMapInfo,
  75                       Buffer->BitMapUsage);
  76
  77     /* Release the mutex */
  78     NtReleaseMutant(Buffer->Mutex, NULL);
  79 }
  80
  81 /* EOF */