AIM:
To write a Visual C++/Windows SDK Program for the Implementation of Line, Rectangle, Ellipse, Rounded Rectangle Demonstration in CS1255 - Visual Programming Lab.
OUTPUT:
To write a Visual C++/Windows SDK Program for the Implementation of Line, Rectangle, Ellipse, Rounded Rectangle Demonstration in CS1255 - Visual Programming Lab.
SOURCE CODE:
#include<windows.h>
LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,PSTR szCmdLine,int iCmdShow)
{
HWND hwnd;
MSG msg;
WNDCLASS wndclass;
wndclass.style=CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc=WndProc;
wndclass.cbClsExtra=0;
wndclass.cbWndExtra=0;
wndclass.hInstance=hInstance;
wndclass.hIcon=LoadIcon(NULL,IDI_APPLICATION);
wndclass.hCursor=LoadCursor(NULL,IDC_ARROW);
wndclass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);
wndclass.lpszMenuName=NULL;
wndclass.lpszClassName="Window Class";
if(!RegisterClass(&wndclass))
{
MessageBox(NULL,"Can not Registered","Window",MB_ICONERROR);
return 0;
}
hwnd=CreateWindow("Window Class","JEBASTIN - LINE DEMO",WS_OVERLAPPEDWINDOW,
10,10,800,600,NULL,NULL,hInstance,NULL);
ShowWindow(hwnd,iCmdShow);
UpdateWindow(hwnd);
while(GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wp,LPARAM lp)
{
static int CxClient,CyClient;
HDC hdc;
PAINTSTRUCT ps;
switch(message)
{
case WM_SIZE:
CxClient=LOWORD(lp);
CyClient=HIWORD(lp);
return 0;
case WM_PAINT:
hdc=BeginPaint(hwnd,&ps);
Rectangle(hdc,CxClient/8,CyClient/8,7*CxClient/8,7*CyClient/8);
MoveToEx(hdc,0,0,NULL);
LineTo(hdc,CxClient,CyClient);
MoveToEx(hdc,0,CyClient,NULL);
LineTo(hdc,CxClient,0);
Ellipse(hdc,CxClient/8,CyClient/8,7*CxClient/8,7*CyClient/8);
RoundRect(hdc,CxClient/4,CyClient/4,3*CxClient/4,3*CyClient/4,CxClient/4,CyClient/4);
EndPaint(hwnd,&ps);
return 0;
case WM_CLOSE:
DestroyWindow(hwnd);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
}
return DefWindowProc(hwnd,message,wp,lp);
}
OUTPUT:
EmoticonEmoticon