#include <windows.h>



struct {

  int  iIndex;

  CHAR *szLabel;

  CHAR *szDesc;

} devcaps[] =

{

  DRIVERVERSION,  "DRIVERVERSION",

    "The device driver version.",

  TECHNOLOGY,     "TECHNOLOGY",

    "Device technology.",

  HORZSIZE,       "HORZSIZE",

    "Width, in millimeters, of the physical screen.",

  VERTSIZE,       "VERTSIZE",

    "Height, in millimeters, of the physical screen.",

  HORZRES,        "HORZRES",

    "Width, in pixels, of the screen.",

  VERTRES,        "VERTRES",

    "Height, in raster lines, of the screen.",

  LOGPIXELSX,     "LOGPIXELSX",

    "Number of pixels per logical inch"

    " along the screen width.",

  LOGPIXELSY,     "LOGPIXELSY",

    "Number of pixels per logical inch"

    " along the screen height.",

  BITSPIXEL,      "BITSPIXEL",

    "Number of adjacent color bits for each pixel.",

  PLANES,         "PLANES",

    "Number of color planes.",

  NUMBRUSHES,     "NUMBRUSHES",

    "Number of device-specific brushes.",

  NUMPENS,        "NUMPENS",

    "Number of device-specific pens.",

  NUMFONTS,       "NUMFONTS",

    "Number of device-specific fonts.",

  NUMCOLORS,      "NUMCOLORS",

    "Number of entries in the device's color table.",

  ASPECTX,        "ASPECTX",

    "Relative width of a device pixel"

    " used for line drawing.",

  ASPECTY,        "ASPECTY",

    "Relative height of a device pixel"

    " used for line drawing.",

  ASPECTXY,       "ASPECTXY",

    "Diagonal width of the device pixel"

    " used for line drawing.",

  PDEVICESIZE,    "PDEVICESIZE",

    "Reserved.",

  CLIPCAPS,       "CLIPCAPS",

    "Flag that indicates the clipping"

    " capabilities of the device.",

  SIZEPALETTE,    "SIZEPALETTE",

    "Number of entries in the system palette.",

  NUMRESERVED,    "NUMRESERVED",

    "Number of reserved entries in "

    "the system palette.",

  COLORRES,       "COLORRES",

    "Actual color resolution of the device,"

    " in bits per pixel.",

  PHYSICALWIDTH,  "PHYSICALWIDTH",

    "For printing devices: the width of the"

    " physical page, in device units.",

  PHYSICALHEIGHT, "PHYSICALHEIGHT",

    "For printing devices: the height of the"

    " physical page, in device units.",

  PHYSICALOFFSETX,"PHYSICALOFFSETX",

    "For printing devices: the distance"

    " from the left edge of the physical page to"

    " the left edge of the printable area,"

    " in device units.",

  PHYSICALOFFSETY,"PHYSICALOFFSETY",

    "For printing devices: the distance"

    " from the top edge of the physical page to"

    " the top edge of the printable area,"

    " in device units.",

  VREFRESH,       "VREFRESH",

    "Windows NT only: For display devices:"

    " the current vertical refresh rate of"

    " the device, in cycles per second (Hz).",

  DESKTOPHORZRES, "DESKTOPHORZRES",

    "Windows NT only: Width, in pixels, of"

    " the virtual desktop.",

  DESKTOPVERTRES, "DESKTOPVERTRES",

    "Windows NT only: Height, in pixels, of"

    " the virtual desktop.",

  BLTALIGNMENT,   "BLTALIGNMENT",

    "Windows NT only: Preferred horizontal"

    " drawing alignment, expressed as"

    " a multiple of pixels.",

  RASTERCAPS,     "RASTERCAPS",

    "Value that indicates the raster"

    " capabilities of the device.",

  CURVECAPS,      "CURVECAPS",

    "Value that indicates the curve"

    " capabilities of the device.",

  LINECAPS,       "LINECAPS",

    "Value that indicates the line"

    " capabilities of the device.",

  POLYGONALCAPS,  "POLYGONALCAPS",

    "Value that indicates the polygon"

    " capabilities of the device.",

  TEXTCAPS,       "TEXTCAPS",

    "Value that indicates the text"

    " capabilities of the device.",

};



const int N_LINES=sizeof(devcaps)/sizeof(devcaps[0]);



//описание оконной процедуры

LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);



//Это главная функция программы.

int WINAPI WinMain(HINSTANCE hInst,

                   HINSTANCE hPrevInst,

                   PSTR szCmdLine,

                   int iCmdShow)

{

  HWND hwnd;

  MSG  msg;

  WNDCLASSEX w;

  static CHAR *szAppName={"GetDeviceCaps"};

  w.cbSize=sizeof(w);

  w.style=CS_HREDRAW|CS_VREDRAW;

  w.lpfnWndProc=WndProc;

  w.cbClsExtra=0;

  w.cbWndExtra=0;

  w.hInstance=hInst;

  w.hIcon=LoadIcon(NULL,IDI_APPLICATION);

  w.hCursor=LoadCursor(NULL,IDC_ARROW);

  w.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);

  w.lpszMenuName=NULL;

  w.lpszClassName=szAppName;

  w.hIconSm=w.hIcon;

  RegisterClassEx(&w);



  hwnd=CreateWindow(

       szAppName,

       "GetDeviceCaps",

       WS_OVERLAPPEDWINDOW|WS_VSCROLL,

       CW_USEDEFAULT, CW_USEDEFAULT,

       CW_USEDEFAULT, CW_USEDEFAULT,

       NULL,

       NULL,

       hInst,

       NULL);

  ShowWindow(hwnd,iCmdShow);

  UpdateWindow(hwnd);



  while(GetMessage(&msg,NULL,0,0))

  {

    TranslateMessage(&msg);

    DispatchMessage(&msg);

  }

  return msg.wParam;

}



//Оконная процедура

LRESULT CALLBACK WndProc(HWND hwnd, UINT imsg,

                         WPARAM wParam, LPARAM lParam)

{

  PAINTSTRUCT ps;

  HDC         hdc;

  TEXTMETRIC  tm;

  static int  cxChar,cyChar,iVscrollPos=0,iVscrollMax,cyClient,cxClient,

              iMaxWidth,iHscrollMax,iHscrollPos;

  int         iPaintBeg,iPaintEnd,iVscrollInc,iHscrollInc,i,x,y;

  CHAR        szBuffer[10];



  switch(imsg)

  {

    case WM_CREATE:

         hdc=GetDC(hwnd);

         GetTextMetrics(hdc,&tm);

         cxChar=tm.tmAveCharWidth;

         cyChar=tm.tmHeight+tm.tmExternalLeading;

         iMaxWidth=120*cxChar;

         ReleaseDC(hwnd,hdc);

         return 0;



    case WM_SIZE:

         cxClient=LOWORD(lParam);

         cyClient=HIWORD(lParam);



         iVscrollMax=max(0, N_LINES+2-cyClient/cyChar);

         iVscrollPos=min(iVscrollPos, iVscrollMax);

         SetScrollRange(hwnd,SB_VERT,0,iVscrollMax,FALSE);

         SetScrollPos(hwnd,SB_VERT,iVscrollPos,TRUE);



         iHscrollMax=max(0, 2+(iMaxWidth-cxClient)/cxChar);

         iHscrollPos=min(iHscrollPos,iHscrollMax);

         SetScrollRange(hwnd,SB_HORZ,0,iHscrollMax,FALSE);

         SetScrollPos(hwnd,SB_HORZ,iHscrollPos,TRUE);

         return 0;



    case WM_PAINT:

         hdc=BeginPaint(hwnd, &ps);

         iPaintBeg=max(0,iVscrollPos+ps.rcPaint.top/cyChar-1);

         iPaintEnd=min(N_LINES,iVscrollPos+ps.rcPaint.bottom/cyChar);



         for(i=iPaintBeg; i<iPaintEnd; i++)

         {

           x=cxChar*(1-iHscrollPos);

           y=cyChar*(1-iVscrollPos+i);

           TextOut(hdc,x,y,devcaps[i].szLabel,

                   lstrlen(devcaps[i].szLabel));

           wsprintf(szBuffer,"%5d",

                    GetDeviceCaps(hdc,devcaps[i].iIndex));

           TextOut(hdc,x+22*cxChar,y,szBuffer,

                   lstrlen(szBuffer));

           TextOut(hdc,x+24*cxChar+8*cxChar,y,

                   devcaps[i].szDesc,lstrlen(devcaps[i].szDesc));

         }

         EndPaint(hwnd, &ps);

         return 0;



    case WM_VSCROLL:

         switch(LOWORD(wParam))

         {

           case SB_TOP:

                iVscrollInc = -iVscrollPos; break;

           case SB_BOTTOM:

                iVscrollInc = iVscrollMax-iVscrollPos; break;

           case SB_LINEUP:

                iVscrollInc = -1;

                break;

           case SB_LINEDOWN:

                iVscrollInc = 1;

                break;

           case SB_PAGEUP:

                iVscrollInc = min(-1,-cyClient/cyChar);

                break;

           case SB_PAGEDOWN:

                iVscrollInc = max(1,cyClient/cyChar);

                break;

           case SB_THUMBTRACK:

                iVscrollInc=HIWORD(wParam)-iVscrollPos;

                break;

           default: iVscrollInc=0;

         }



         iVscrollInc=max(-iVscrollPos,

                         min(iVscrollInc,iVscrollMax-iVscrollPos));

         if(iVscrollInc!=0)

         {

           iVscrollPos += iVscrollInc;

           ScrollWindow(hwnd,0,-cyChar*iVscrollInc,NULL,NULL);

           SetScrollPos(hwnd,SB_VERT,iVscrollPos,TRUE);

           UpdateWindow(hwnd);

         }

         return 0;



    case WM_HSCROLL:

         switch(LOWORD(wParam))

         {

           case SB_LINEUP:

                iHscrollInc=-1; break;

           case SB_LINEDOWN:

                iHscrollInc=1; break;

           case SB_PAGEUP:

                iHscrollInc=-8; break;

           case SB_PAGEDOWN:

                iHscrollInc=8; break;

           case SB_THUMBPOSITION:

                iHscrollInc=HIWORD(wParam)-iHscrollPos;

                break;

           default: iHscrollInc=0;

         }

         iHscrollInc=max(-iHscrollPos,

                         min(iHscrollInc,iHscrollMax-iHscrollPos));

         if(iHscrollInc!=0)

         {

           iHscrollPos+=iHscrollInc;

           ScrollWindow(hwnd,-cxChar*iHscrollInc,0,NULL,NULL);

           SetScrollPos(hwnd,SB_HORZ,iHscrollPos,TRUE);

         }

         return 0;



    case WM_DESTROY:

         PostQuitMessage(0);

         return 0;

  }



  return DefWindowProc(hwnd,imsg,wParam,lParam);

}