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Annotation of pmsdk/samples/petzold/chap16/hdrtest.c, revision 1.1.1.1

1.1       root        1: /*--------------------------------------------------------------
                      2:    HDRTEST.C -- Program to Test HDRLIB.DLL Dynamic Link Library
                      3:   --------------------------------------------------------------*/
                      4: 
                      5: #define INCL_WIN
                      6: #include <os2.h>
                      7: #include "hdrlib.h"
                      8: 
                      9: MRESULT EXPENTRY ClientWndProc (HWND, USHORT, MPARAM, MPARAM) ;
                     10: 
                     11: int main (void)
                     12:      {
                     13:      static CHAR  szClientClass [] = "HdrTest" ;
                     14:      static ULONG flFrameFlags = FCF_TITLEBAR      | FCF_SYSMENU |
                     15:                                  FCF_SIZEBORDER    | FCF_MINMAX  |
                     16:                                  FCF_SHELLPOSITION | FCF_TASKLIST ;
                     17:      HAB            hab ;
                     18:      HMQ            hmq ;
                     19:      HWND           hwndFrame, hwndClient ;
                     20:      QMSG           qmsg ;
                     21: 
                     22:      hab = WinInitialize (0) ;
                     23:      hmq = WinCreateMsgQueue (hab, 0) ;
                     24: 
                     25:      WinRegisterClass (hab, szClientClass, ClientWndProc, CS_SIZEREDRAW, 0) ;
                     26: 
                     27:      hwndFrame = WinCreateStdWindow (HWND_DESKTOP, WS_VISIBLE,
                     28:                                      &flFrameFlags, szClientClass, NULL,
                     29:                                      0L, NULL, 0, &hwndClient) ;
                     30: 
                     31:      WinSendMsg (hwndFrame, WM_SETICON,
                     32:                  WinQuerySysPointer (HWND_DESKTOP, SPTR_APPICON, FALSE),
                     33:                  NULL) ;
                     34: 
                     35:      while (WinGetMsg (hab, &qmsg, NULL, 0, 0))
                     36:           WinDispatchMsg (hab, &qmsg) ;
                     37: 
                     38:      WinDestroyWindow (hwndFrame) ;
                     39:      WinDestroyMsgQueue (hmq) ;
                     40:      WinTerminate (hab) ;
                     41:      return 0 ;
                     42:      }
                     43: 
                     44: MRESULT EXPENTRY ClientWndProc (HWND hwnd, USHORT msg, MPARAM mp1, MPARAM mp2)
                     45:      {
                     46:      static SHORT cxClient, cyClient ;
                     47:      HPS          hps;
                     48:      POINTL       ptl ;
                     49: 
                     50:      switch (msg)
                     51:          {
                     52:           case WM_SIZE:
                     53:                cxClient = SHORT1FROMMP (mp2) ;
                     54:                cyClient = SHORT2FROMMP (mp2) ;
                     55:                return 0 ;
                     56: 
                     57:           case WM_PAINT:
                     58:                hps = WinBeginPaint (hwnd, NULL, NULL) ;
                     59:                GpiErase (hps) ;
                     60: 
                     61:                ptl.x = cxClient / 8 ;
                     62:                ptl.y = 3 * cyClient / 4 ;
                     63:                HdrPrintf (hps, &ptl, "Welcome to the %s",
                     64:                           (PCHAR) "OS/2 Presentation Manager") ;
                     65: 
                     66:                ptl.x = cxClient / 8 ;
                     67:                ptl.y = cyClient / 4 ;
                     68:                HdrPuts (hps, &ptl, "This line was displayed by a ") ;
                     69:                HdrPuts (hps, NULL, "routine in a dynamic link library.") ;
                     70: 
                     71:                ptl.x = 0 ;
                     72:                ptl.y = 0 ;
                     73:                GpiMove (hps, &ptl) ;
                     74: 
                     75:                ptl.x = cxClient - 1 ;
                     76:                ptl.y = cyClient - 1 ;
                     77:                HdrEllipse (hps, DRO_OUTLINE, &ptl) ;
                     78: 
                     79:                WinEndPaint (hps) ;
                     80:                return 0 ;
                     81:           }
                     82:      return WinDefWindowProc (hwnd, msg, mp1, mp2) ;
                     83:      }

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