home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Microsoft Programmer's Library 1.3
/
Microsoft-Programers-Library-v1.3.iso
/
sampcode
/
win_lrn
/
graphics
/
fillrgn.c
< prev
next >
Wrap
C/C++ Source or Header
|
1988-08-10
|
3KB
|
127 lines
/*
* Function Name: FillRgn
* Program Name: fillrgn.c
* SDK Version: 2.03
* Runtime Version: 2.03
* Microsoft C Version: 5.1
*
* Description:
* The program below will create a region and fill it with a
* red background.
*/
#include "windows.h"
long FAR PASCAL WndProc (HWND, unsigned, WORD, LONG);
/***********************************************************************/
void CALL_FillRgn (hWnd, hDC)
HWND hWnd;
HDC hDC;
{
HBRUSH hBrush;
HRGN hNewRgn;
RECT ClientRect;
hBrush = CreateSolidBrush (RGB (255, 0, 0)); /* hBrush created (red). */
GetClientRect (hWnd, (LPRECT) &ClientRect);
hNewRgn = CreateRectRgn (10, 10, (ClientRect.right / 2),
(ClientRect.bottom / 2));
FillRgn (hDC, hNewRgn, hBrush); /* region filled */
DeleteObject (hBrush);
DeleteObject (hNewRgn);
return;
}
/**************************************************************************/
BOOL WinInit (hInstance)
HANDLE hInstance;
{
WNDCLASS wcClass;
wcClass.style = CS_HREDRAW | CS_VREDRAW;
wcClass.lpfnWndProc = WndProc;
wcClass.cbClsExtra = 0;
wcClass.cbWndExtra = 0;
wcClass.hInstance = hInstance;
wcClass.hIcon = LoadIcon (hInstance, NULL);
wcClass.hCursor = LoadCursor (NULL, IDC_ARROW);
wcClass.hbrBackground = (HBRUSH)GetStockObject (WHITE_BRUSH);
wcClass.lpszMenuName = (LPSTR)NULL;
wcClass.lpszClassName = (LPSTR)"FillRgn";
if (!RegisterClass ( (LPWNDCLASS) & wcClass))
return FALSE;
return TRUE; /* Initialization succeeded */
}
/**************************************************************************/
int PASCAL WinMain (hInstance, hPrevInstance, lpszCmdLine, cmdShow)
HANDLE hInstance, hPrevInstance;
LPSTR lpszCmdLine;
int cmdShow;
{
MSG msg;
HWND hWnd;
if (!hPrevInstance)
if (!WinInit (hInstance))
return FALSE;
hWnd = CreateWindow ( (LPSTR)"FillRgn",
(LPSTR)"FillRgn ()",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
(HWND)NULL, /* no parent */
(HMENU)NULL, /* use class menu */
(HANDLE)hInstance, /* handle to window instance */
(LPSTR)NULL); /* no params to pass on */
ShowWindow (hWnd, cmdShow);
UpdateWindow (hWnd);
while (GetMessage ( (LPMSG) & msg, NULL, 0, 0))
{
TranslateMessage ( (LPMSG) & msg);
DispatchMessage ( (LPMSG) & msg);
}
return (int)msg.wParam;
}
/**************************************************************************/
long FAR PASCAL WndProc (hWnd, message, wParam, lParam)
HWND hWnd;
unsigned message;
WORD wParam;
LONG lParam;
{
PAINTSTRUCT ps;
switch (message)
{
case WM_PAINT:
BeginPaint (hWnd, (LPPAINTSTRUCT) & ps);
CALL_FillRgn (hWnd, ps.hdc);
ValidateRect (hWnd, (LPRECT) NULL);
EndPaint (hWnd, (LPPAINTSTRUCT) & ps);
break;
case WM_DESTROY:
PostQuitMessage (0);
break;
default:
return DefWindowProc (hWnd, message, wParam, lParam);
break;
}
return (0L);
}