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Annotation of os232sdk/toolkt20/c/samples/template/pnt.c, revision 1.1.1.1

1.1       root        1: /*==============================================================*\
                      2:  *  Pnt.c - routines for the painting of the main window
                      3:  *      Created 1989, 1990 Microsoft Corp.
                      4:  *--------------------------------------------------------------
                      5:  *
                      6:  *  This module contains the code for the main client window
                      7:  *  painting
                      8:  *
                      9:  *--------------------------------------------------------------
                     10:  *
                     11:  *  This source file contains the following functions:
                     12:  *
                     13:  *      MainPaint(hwnd) - main WM_PAINT processing routine
                     14:  *
                     15: \*==============================================================*/
                     16: 
                     17: /*--------------------------------------------------------------*\
                     18:  *  Include files, macros, defined constants, and externs
                     19: \*--------------------------------------------------------------*/
                     20: 
                     21: #define  INCL_WINSYS
                     22: 
                     23: #include <os2.h>
                     24: #include "main.h"
                     25: #include "xtrn.h"
                     26: 
                     27: /*--------------------------------------------------------------*\
                     28:  *  Global variables
                     29: \*--------------------------------------------------------------*/
                     30: 
                     31: /*--------------------------------------------------------------*\
                     32:  *  Entry point declarations
                     33: \*--------------------------------------------------------------*/
                     34: 
                     35: 
                     36: 
                     37: /****************************************************************\
                     38:  *  Main client painting routine
                     39:  *--------------------------------------------------------------
                     40:  *
                     41:  *  Name:   MainPaint(hwnd)
                     42:  *
                     43:  *  Purpose: Paints the main client window.
                     44:  *
                     45:  *  Usage:  Routine is called whenver the client window
                     46:  *          procedure receives a WM_PAINT message
                     47:  *
                     48:  *  Method:
                     49:  *          - begins painting by calling WinBeginPaint
                     50:  *              and retrieving the HPS for the window
                     51:  *          - performs any painting desired
                     52:  *          - ends painting by calling WinEndPaint
                     53:  *
                     54:  *  Returns:
                     55:  *
                     56: \****************************************************************/
                     57: VOID MainPaint(hwnd)
                     58: HWND hwnd;      /* handle of the window to be painted */
                     59: {
                     60:     RECTL rclUpdate;
                     61:     HPS hps;
                     62: 
                     63:     hps = WinBeginPaint(hwnd, NULL, (PRECTL)&rclUpdate);
                     64: 
                     65:     /* fill update rectangle with window color */
                     66:     WinFillRect(hps, (PRECTL)&rclUpdate, SYSCLR_WINDOW);
                     67: 
                     68: 
                     69:     /*--------------------------------------------------*\
                     70:      *      Add painting routines here.  Hps is now
                     71:      *      the HPS for the window and rclUpdate
                     72:      *      contains the update rectangle.
                     73:     \*--------------------------------------------------*/
                     74: 
                     75:     WinEndPaint(hps);
                     76: 
                     77: }   /* MainPaint() */

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