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
  13 #define NDEBUG
  14 #include <debug.h>
  15
  16 /* FUNCTIONS ******************************************************************/
  17
  18 VOID
  19 GuiCopyFromGraphicsBuffer(PGRAPHICS_SCREEN_BUFFER Buffer)
  20 {
  21     /*
  22      * This function supposes that the system clipboard was opened.
  23      */
  24
  25     // PCONSOLE Console = Buffer->Header.Console;
  26
  27     UNIMPLEMENTED;
  28 }
  29
  30 VOID
  31 GuiPasteToGraphicsBuffer(PGRAPHICS_SCREEN_BUFFER Buffer)
  32 {
  33     /*
  34      * This function supposes that the system clipboard was opened.
  35      */
  36
  37     // PCONSOLE Console = Buffer->Header.Console;
  38
  39     UNIMPLEMENTED;
  40 }
  41
  42 VOID
  43 GuiPaintGraphicsBuffer(PGRAPHICS_SCREEN_BUFFER Buffer,
  44                        PGUI_CONSOLE_DATA GuiData,
  45                        PRECT rcView,
  46                        PRECT rcFramebuffer)
  47 {
  48     if (Buffer->BitMap == NULL) return;
  49
  50     rcFramebuffer->left   = Buffer->ViewOrigin.X * 1 + rcView->left;
  51     rcFramebuffer->top    = Buffer->ViewOrigin.Y * 1 + rcView->top;
  52     rcFramebuffer->right  = Buffer->ViewOrigin.X * 1 + rcView->right;
  53     rcFramebuffer->bottom = Buffer->ViewOrigin.Y * 1 + rcView->bottom;
  54
  55     /* Grab the mutex */
  56     NtWaitForSingleObject(Buffer->Mutex, FALSE, NULL);
  57
  58     /*
  59      * The seventh parameter (YSrc) of SetDIBitsToDevice always designates
  60      * the Y-coordinate of the "lower-left corner" of the image, be the DIB
  61      * in bottom-up or top-down mode.
  62      */
  63     SetDIBitsToDevice(GuiData->hMemDC,
  64                       /* Coordinates / size of the repainted rectangle, in the framebuffer's frame */
  65                       rcFramebuffer->left,
  66                       rcFramebuffer->top,
  67                       rcFramebuffer->right  - rcFramebuffer->left,
  68                       rcFramebuffer->bottom - rcFramebuffer->top,
  69                       /* Coordinates / size of the corresponding image portion, in the graphics screen-buffer's frame */
  70                       rcFramebuffer->left,
  71                       rcFramebuffer->top,
  72                       0,
  73                       Buffer->ScreenBufferSize.Y, // == Buffer->BitMapInfo->bmiHeader.biHeight
  74                       Buffer->BitMap,
  75                       Buffer->BitMapInfo,
  76                       Buffer->BitMapUsage);
  77
  78     /* Release the mutex */
  79     NtReleaseMutant(Buffer->Mutex, NULL);
  80 }
  81
  82 /* EOF */