///////////////////////////////////////////////////////////////
// 04FirstWindow.cpp文件
#include <windows.h>
#include<stdio.h>
// 窗口函数的函数原形
LRESULT CALLBACK MainWndProc(HWND, UINT, WPARAM, LPARAM);
int APIENTRY WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
{
char szClassName[] = "MainWClass";
WNDCLASSEX wndclass;
// 用描述主窗口的参数填充WNDCLASSEX结构
wndclass.cbSize = sizeof(wndclass); // 结构的大小
wndclass.style = CS_HREDRAW|CS_VREDRAW; // 指定如果大小改变就重画
wndclass.lpfnWndProc = MainWndProc; // 窗口函数指针
wndclass.cbClsExtra = 0; // 没有额外的类内存
wndclass.cbWndExtra = 0; // 没有额外的窗口内存
wndclass.hInstance = hInstance; // 实例句柄
wndclass.hIcon = ::LoadIcon(NULL,
IDI_APPLICATION); // 使用预定义图标
wndclass.hCursor = ::LoadCursor(NULL,
IDC_ARROW); // 使用预定义的光标
wndclass.hbrBackground = (HBRUSH)
::GetStockObject(WHITE_BRUSH); // 使用白色背景画刷
wndclass.lpszMenuName = NULL; // 不指定菜单
wndclass.lpszClassName = szClassName ; // 窗口类的名称
wndclass.hIconSm = NULL; // 没有类的小图标
// 注册这个窗口类
::RegisterClassEx(&wndclass);
// 创建主窗口
HWND hwnd = ::CreateWindowEx(
0, // dwExStyle，扩展样式
szClassName, // lpClassName，类名
"My first Window!", // lpWindowName，标题
WS_OVERLAPPEDWINDOW, // dwStyle，窗口风格
CW_USEDEFAULT, // X，初始 X 坐标
CW_USEDEFAULT, // Y，初始 Y 坐标
640, // nWidth，宽度
480, // nHeight，高度
NULL, // hWndParent，父窗口句柄
NULL, // hMenu，菜单句柄
hInstance, // hlnstance，程序实例句柄
NULL) ; // lpParam，用户数据
if(hwnd == NULL)
{
::MessageBox(NULL, "创建窗口出错！", "error", MB_OK);
return -1;
}
// 显示窗口，刷新窗口客户区
::ShowWindow(hwnd, nCmdShow);
::UpdateWindow(hwnd);
// 从消息堆中取出消息
MSG msg;
while(::GetMessage(&msg, NULL, 0, 0))
{
// 转化键盘消息
::TranslateMessage(&msg);
// 将消息发送到相应的窗口函数
::DispatchMessage(&msg);
}
// 当GetMessage返回0时程序结束
return msg.wParam;
}
LRESULT CALLBACK MainWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
char s[45];
int rowwidth;
int ig = 0, ir = 0, ie = 0;
char Test[] = "Yesterday,\nAll my troubles seemed so far away,\nNow it looks as though they're here to stay,\nOh, I believe in yesterday.\nSuddenly,\nI'm not half the man I used to be,\nThere's a shadow hanging over me,\nOh, yesterday came suddenly.\nWhy she\nHad to go I don't know, she wouldn't say.\nI said,\nSomething wrong, now I long for yesterday.\nYesterday,\nLove was such an easy game to play,\nNow I need a place to hide away,\nOh, I believe in yesterday.\nWhy she\nHad to go I don't know, she wouldn't say.\nI said,\nSomething wrong, now I long for yesterday.\nYesterday,\nLove was such an easy game to play,\nNow I need a place to hide away,\nOh, I believe in yesterday.";
char szT[]= "Yesterday,\n";
char szText[] = "最简单的窗口程序！";
int sum=0;
switch (message)
{
case WM_PAINT: // 窗口客户区需要重画
{
HDC hdc;
PAINTSTRUCT ps;
// 使无效的客户区变的有效，并取得设备环境句柄
hdc = ::BeginPaint (hwnd, &ps) ;
// 显示文字
::TextOut(hdc, 10, 10, szText, strlen(szText));
::EndPaint(hwnd, &ps);
return 0;
}
case WM_CREATE:
HDC hdc ;
HFONT hFont;
int arr[91];
FILE * pFile;
SIZE sz;
fopen_s (&pFile,"file.txt","w+");
hdc = GetDC(hwnd);
hFont = CreateFont(-15, 0,0,0, FW_BOLD, false, false, false,
DEFAULT_CHARSET,OUT_DEFAULT_PRECIS,
CLIP_DEFAULT_PRECIS, ANTIALIASED_QUALITY, DEFAULT_PITCH,"Arial");
SelectObject(hdc, hFont);
//GetTextExtentPoint32(hdc,szT,strlen(szT),&sz);
//fprintf(pFile,"w=%ld,h=%ld\n",sz.cx,sz.cy);
GetCharWidth32(hdc,32,122,arr);
//for(int i=0;i<91;i++)
// fprintf(pFile,"%c-->%d\n",' '+i,arr[i]);
/* for(int i=0;(szT[i]!='\0')&&(szT[i]!='\n');i++)
{
fprintf(pFile,"%c--> %d\n",szT[i],arr[int(szT[i])-32]);
sum=sum+arr[int(szT[i])-32];
}*/
while(ie < 520)
{
//如果句子不是换行或者结尾,s数组保存每个句子
if ((Test[ig] != '\n') && (Test[ig] != 0))
{
s[ir++] = Test[ig];
}
//如果是结尾
else
{
sum=0;
s[ir] = 0; //添加字符串结束符
for(int i=0;s[i]!='\0';i++)
{
sum=sum+arr[int(s[i])-32];
}
rowwidth = sum; //获得字符串宽度
fprintf(pFile,"%d\n",rowwidth);
for(int i = 0; i < ir; i++)
{
if (s[i] != ' ')
{
ie++;
}
}
ir = 0;
}
ig++;
}
/*fprintf(pFile,"sum= %d",sum);*/
fclose(pFile);
return 0;
case WM_DESTROY: // 正在销毁窗口
// 向消息队列投递一个WM_QUIT消息，促使GetMessage函数返回0，结束消息循环
::PostQuitMessage(0) ;
return 0 ;
}
// 将我们不处理的消息交给系统做默认处理
return ::DefWindowProc(hwnd, message, wParam, lParam);
}
