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发表于 2015-4-10 22:48:55
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- /*-----------------------------------------
- 从书本源代码拷贝过来,编译后发现 360 会把这个程序终结
- -----------------------------------------*/
-
- #include <windows.h>
- LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
- int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
- PSTR szCmdLine, int iCmdShow)
- {
- static TCHAR szAppName[] = TEXT ("StokFont") ;
- 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 = szAppName ;
-
- if (!RegisterClass (&wndclass))
- {
- MessageBox (NULL, TEXT ("Program requires Windows NT!"),
- szAppName, MB_ICONERROR) ;
- return 0 ;
- }
-
- hwnd = CreateWindow (szAppName, TEXT ("Stock Fonts"),
- WS_OVERLAPPEDWINDOW | WS_VSCROLL, //WS_VSCROLL窗口存在垂直滚动条
- CW_USEDEFAULT, CW_USEDEFAULT,
- CW_USEDEFAULT, CW_USEDEFAULT,
- 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 wParam, LPARAM lParam)
- {
- //创建一个 stockfont 数组 ,大小为 sizeof stockfont / sizeof stockfont[0]
- static struct
- {
- int idStockFont ;
- TCHAR * szStockFont ;
- }
- stockfont [] = { OEM_FIXED_FONT, TEXT ("OEM_FIXED_FONT"),
- ANSI_FIXED_FONT, TEXT ("ANSI_FIXED_FONT"),
- ANSI_VAR_FONT, TEXT ("ANSI_VAR_FONT"),
- SYSTEM_FONT, TEXT ("SYSTEM_FONT"),
- DEVICE_DEFAULT_FONT, TEXT ("DEVICE_DEFAULT_FONT"),
- SYSTEM_FIXED_FONT, TEXT ("SYSTEM_FIXED_FONT"),
- DEFAULT_GUI_FONT, TEXT ("DEFAULT_GUI_FONT") } ;
- //iFont 作为一个下标, cFonts作为一个最大越界值(cFonts - 1 为最大下标)
- static int iFont, cFonts = sizeof stockfont / sizeof stockfont[0] ;
- HDC hdc ;
- //作为字体排版的位置, 这里没有设置 WM_SIZE 消息,所以不用使用 静态
- int i, x, y, cxGrid, cyGrid ;
- PAINTSTRUCT ps ;
- //LF_FACESIZE 为微软给予的字体名称最大长度:比如"宋体",
- // szBuffer 写入第一行的字符串 LF_FACESIZE + 64,保证能容纳字体名称
- TCHAR szFaceName [LF_FACESIZE], szBuffer [LF_FACESIZE + 64] ;
- //保存字体的规格
- TEXTMETRIC tm ;
-
- switch (message)
- {
- case WM_CREATE:
- SetScrollRange (hwnd, SB_VERT, 0, cFonts - 1, TRUE) ;
- return 0 ;
- //改变分辨率消息响应
- case WM_DISPLAYCHANGE:
- //使窗口无效,产生 WM_PAINT 消息
- InvalidateRect (hwnd, NULL, TRUE) ;
- return 0 ;
-
- //垂直滚动条消息响应
- case WM_VSCROLL:
- switch (LOWORD (wParam))
- {
- case SB_TOP: iFont = 0 ; break ;
- case SB_BOTTOM: iFont = cFonts - 1 ; break ;
- case SB_LINEUP:
- case SB_PAGEUP: iFont -= 1 ; break ;
- case SB_LINEDOWN:
- case SB_PAGEDOWN: iFont += 1 ; break ;
- case SB_THUMBPOSITION: iFont = HIWORD (wParam) ; break ;
- }
- //保证不超出最大值的个数
- //一个名称保存一个值.
- iFont = max (0, min (cFonts - 1, iFont)) ;
- //设置滚动条
- SetScrollPos (hwnd, SB_VERT, iFont, TRUE) ;
- //使窗口无效,从而产生 WM_PAINT 消息
- InvalidateRect (hwnd, NULL, TRUE) ;
- return 0 ;
-
- //虚拟按钮消息响应
- case WM_KEYDOWN:
- switch (wParam)
- {
- case VK_HOME: SendMessage (hwnd, WM_VSCROLL, SB_TOP, 0) ; break ;
- case VK_END: SendMessage (hwnd, WM_VSCROLL, SB_BOTTOM, 0) ; break ;
- case VK_PRIOR:
- case VK_LEFT:
- case VK_UP: SendMessage (hwnd, WM_VSCROLL, SB_LINEUP, 0) ; break ;
- case VK_NEXT:
- case VK_RIGHT:
- case VK_DOWN: SendMessage (hwnd, WM_VSCROLL, SB_PAGEDOWN, 0) ; break ;
- }
- return 0 ;
- case WM_PAINT:
- hdc = BeginPaint (hwnd, &ps) ;
- //设置字体样式(设置字体种样), 一页一种样式
- SelectObject (hdc, GetStockObject (stockfont[iFont].idStockFont)) ;
- //获取字体, LF_FACESIZE 为默认最大字体大小,szFaceName为局部变量
- GetTextFace (hdc, LF_FACESIZE, szFaceName) ;
- GetTextMetrics (hdc, &tm) ;
- cxGrid = max (3 * tm.tmAveCharWidth, 2 * tm.tmMaxCharWidth) ;
- cyGrid = tm.tmHeight + 3 ;
- TextOut (hdc, 0, 0, szBuffer,
- wsprintf (szBuffer, TEXT (" %s: Face Name = %s, CharSet = %i"),
- stockfont[iFont].szStockFont,
- szFaceName, tm.tmCharSet)) ;
- SetTextAlign (hdc, TA_TOP | TA_CENTER) ;
- // 画表格
- for (i = 0 ; i < 17 ; i++)
- {
- MoveToEx (hdc, (i + 2) * cxGrid, 2 * cyGrid, NULL) ;
- LineTo (hdc, (i + 2) * cxGrid, 19 * cyGrid) ;
- MoveToEx (hdc, cxGrid, (i + 3) * cyGrid, NULL) ;
- LineTo (hdc, 18 * cxGrid, (i + 3) * cyGrid) ;
- }
- // 画表头(横向首行和纵向首竖)
- for (i = 0 ; i < 16 ; i++)
- {
- TextOut (hdc, (2 * i + 5) * cxGrid / 2, 2 * cyGrid + 2, szBuffer,
- wsprintf (szBuffer, TEXT ("%X-"), i)) ;
- TextOut (hdc, 3 * cxGrid / 2, (i + 3) * cyGrid + 2, szBuffer,
- wsprintf (szBuffer, TEXT ("-%X"), i)) ;
- }
-
- // 写字, szBuffer 的使用不用那个纠结,
- //只需要知道他只是作为缓存输出就足够
- //(注)很多情况下不用创建多个变量,
- //创建一个变量用作多种用途也可以
- //只要你的空间足够容纳
- //比如:创建一个int(4字)
- /*
- #include <stdio.h>
- void Vid(int Q,int p)
- {
- printf("%d,%d",Q,p);
- }
- void D(void (* p)())
- {
- p(122,p);
- }
- int main()
- {
- int d;
-
- printf("%d\n",Vid);
- //输入 Vid 的值给 d ,你会发现同样可以执行并且调用到 Vid 函数
- scanf("%d",&d);
- D((void (* )())d);
- return 0;
- }
- */
- for (y = 0 ; y < 16 ; y++)
- for (x = 0 ; x < 16 ; x++)
- {
- TextOut (hdc, (2 * x + 5) * cxGrid / 2,
- (y + 3) * cyGrid + 2, szBuffer,
- wsprintf (szBuffer, TEXT ("%c"), 16 * x + y)) ;
- }
- EndPaint (hwnd, &ps) ;
- return 0 ;
-
- case WM_DESTROY:
- PostQuitMessage (0) ;
- return 0 ;
- }
- return DefWindowProc (hwnd, message, wParam, lParam) ;
- }
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