zz.cpp

在窗口中依次显示一行字,字体逐渐变大, 字体的色彩也发生相应的变化

#include <windows.h>
#include <math.h>
#include <string.h>
#include <stdlib.h>
#include<stdio.h>




LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM);		
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
                    LPSTR lpCmdLine, int nCmdShow)
{
     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 	= "鼠标程序";	
     if (!RegisterClass (&wndclass))				
     {
          MessageBox (NULL, "failure!", "Good", 0) ;
          return 0 ;
     }
    
     hwnd = CreateWindow ("鼠标程序",                
                          "鼠标 ",				
                          WS_OVERLAPPEDWINDOW,    	
                          CW_USEDEFAULT,            	
                          0,             
                          CW_USEDEFAULT,             	
                          0,             
                          NULL,                       	
                          NULL,                       	
                          hInstance,                  	
                          NULL) ;                     		
     ShowWindow (hwnd, nCmdShow) ;					
     UpdateWindow (hwnd) ;	 
	 
	 while (GetMessage (&msg, NULL, 0, 0))   {
		  	TranslateMessage (&msg) ;		
         	DispatchMessage (&msg) ;	
     }
     return msg.wParam ;
}

    LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	 HDC			hdc;
	 PAINTSTRUCT	ps;
     HPEN      hp;
	 HBRUSH    hb;
	 WORD  x,y;
	 HCURSOR hc;
	   static  char str1[]={"LEFT BUTTON!"};
	   static  char str2[]={"RIGHT BUTTON!"};
	   static left=0,right=0;   
	  switch (message) { case WM_LBUTTONDOWN: 
	                          left=1;break;
                         case WM_LBUTTONUP: 
							 InvalidateRect(hwnd,NULL,0);break;
                         case WM_RBUTTONDOWN:
							 right=1;break;
                         case WM_RBUTTONUP: 
							 InvalidateRect(hwnd,NULL,0);break;
                         case WM_MOUSEMOVE:
							 x=LOWORD(lParam);y=HIWORD(lParam);
							InvalidateRect(hwnd,NULL,0);break;
							 
						case WM_PAINT:   hdc = BeginPaint(hwnd, &ps);	 
							SetWindowExtEx(hdc,420,420,NULL); 
							SetViewportExtEx(hdc,400,400,NULL);
							
							if(x>=0&&x<=400&&y>=0&&y<=100)
							 {hp=CreatePen(PS_SOLID,2,RGB(255,0,0));
				              hb=CreateSolidBrush(RGB(255,255,255));
					          
						      SelectObject(hdc,hb);SelectObject(hdc,hp);
					          Rectangle(hdc,0,0,400,100);
							   hc=LoadCursor(NULL,IDC_CROSS);
							  SetCursor(hc);}
                           if(x>=0&&x<=200&&y>=100&&y<=250)
							 {hp=CreatePen(PS_SOLID,2,RGB(255,0,0));
				              hb=CreateSolidBrush(RGB(255,255,255));
					        
						      SelectObject(hdc,hb);SelectObject(hdc,hp);
					         Rectangle(hdc,0,100,200,250);
							 hc=LoadCursor(NULL,IDC_SIZEALL);
							 SetCursor(hc);} 
						    if(x>=0&&x<=200&&y>=250&&y<=400)
							 {hp=CreatePen(PS_SOLID,2,RGB(255,0,0));
				                hb=CreateSolidBrush(RGB(255,255,255));
					      
						      SelectObject(hdc,hb);SelectObject(hdc,hp);
					          Rectangle(hdc,0,250,200,250);
							   hc=LoadCursor(NULL,IDC_UPARROW);
							   SetCursor(hc);} 
							 if(x>=2000&&x<=400&&y>=100&&y<=250)
							 {hp=CreatePen(PS_SOLID,2,RGB(255,0,0));
				              hb=CreateSolidBrush(RGB(255,255,255));
					         
						      SelectObject(hdc,hb);SelectObject(hdc,hp);
					          Rectangle(hdc,200,100,400,250);
							 hc=LoadCursor(NULL,IDC_WAIT);
							 SetCursor(hc);} 
                             if(x>=200&&x<=400&&y>=250&&y<=400)
							 {hp=CreatePen(PS_SOLID,2,RGB(255,0,0));
				              hb=CreateSolidBrush(RGB(255,255,255));
					          
						      SelectObject(hdc,hb);SelectObject(hdc,hp);
					          Rectangle(hdc,200,250,400,450);
							  hc=LoadCursor(NULL,IDC_SIZEWE);
							   SetCursor(hc);} 
							 if(left==1)
							 {InvalidateRect(hwnd,NULL,0);
							 SetTextColor(hdc,RGB(255,0,0));
							 hp=CreatePen(PS_SOLID,2,RGB(255,0,0));
				              hb=CreateSolidBrush(RGB(255,255,255));
					          
						      SelectObject(hdc,hb);SelectObject(hdc,hp);
					          Ellipse(hdc,100,100,300,300)
							 TextOut(hdc,0,0,str1,strlen(str1));left=0}
							 if(right==1)
							 {InvalidateRect(hwnd,NULL,0);
							 SetTextColor(hdc,RGB(255,0,0));
							 hp=CreatePen(PS_SOLID,2,RGB(255,0,0));
				              hb=CreateSolidBrush(RGB(255,255,255));
					          
						      SelectObject(hdc,hb);SelectObject(hdc,hp);
					          Ellipse(hdc,100,100,300,300)
							 TextOut(hdc,0,0,str2,strlen(str2));right=0}
							 DeleteObject(hb);
                      DeleteObject(hp);
                       EndPaint(hwnd,&ps);
					   break;
               case WM_DESTROY:	
			   {	PostQuitMessage (0) ;
			 return 0 ;}	
		   default:
			 {return DefWindowProc (hwnd, message, wParam, lParam) ; }
	 }
}