/*-----------------------------------------
STOKFONT.C -- Stock Font Objects
(c) Charles Petzold, 1998
-----------------------------------------*/
#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,
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)
{
static struct
{
int idStockFont ;
TCHAR * szStockFont ;
}
stockfont [] = { OEM_FIXED_FONT, "OEM_FIXED_FONT",
ANSI_FIXED_FONT, "ANSI_FIXED_FONT",
ANSI_VAR_FONT, "ANSI_VAR_FONT",
SYSTEM_FONT, "SYSTEM_FONT",
DEVICE_DEFAULT_FONT, "DEVICE_DEFAULT_FONT",
SYSTEM_FIXED_FONT, "SYSTEM_FIXED_FONT",
DEFAULT_GUI_FONT, "DEFAULT_GUI_FONT" } ;
static int iFont, cFonts = sizeof stockfont / sizeof stockfont[0] ;
HDC hdc ;
int i, x, y, cxGrid, cyGrid ;
PAINTSTRUCT ps ;
TCHAR szFaceName [LF_FACESIZE], szBuffer [LF_FACESIZE + 64] ;
TEXTMETRIC tm ;
switch (message)
{
case WM_CREATE:
SetScrollRange (hwnd, SB_VERT, 0, cFonts - 1, TRUE) ;
return 0 ;
case WM_DISPLAYCHANGE:
InvalidateRect (hwnd, NULL, TRUE) ;
return 0 ;
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 ;
}
iFont = max (0, min (cFonts - 1, iFont)) ;
SetScrollPos (hwnd, SB_VERT, iFont, TRUE) ;
InvalidateRect (hwnd, NULL, TRUE) ;
return 0 ;
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) ;
SelectObject (hdc, GetStockObject (stockfont[iFont].idStockFont)) ;
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) ;
// vertical and horizontal lines
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) ;
}
// vertical and horizontal headings
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)) ;
}
// characters
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) ;
}
报错提示:
1>f:\code\mfc\报错程序集锦\keyborad3\keyborad3\keyborad3.cpp(60): error C2440: “初始化”: 无法从“const char [15]”转换为“TCHAR *”
1> 与指向的类型无关;转换要求 reinterpret_cast、C 样式转换或函数样式转换
1>f:\code\mfc\报错程序集锦\keyborad3\keyborad3\keyborad3.cpp(61): error C2440: “初始化”: 无法从“const char [16]”转换为“TCHAR *”
1> 与指向的类型无关;转换要求 reinterpret_cast、C 样式转换或函数样式转换
1>f:\code\mfc\报错程序集锦\keyborad3\keyborad3\keyborad3.cpp(62): error C2440: “初始化”: 无法从“const char [14]”转换为“TCHAR *”
1> 与指向的类型无关;转换要求 reinterpret_cast、C 样式转换或函数样式转换
1>f:\code\mfc\报错程序集锦\keyborad3\keyborad3\keyborad3.cpp(63): error C2440: “初始化”: 无法从“const char [12]”转换为“TCHAR *”
1> 与指向的类型无关;转换要求 reinterpret_cast、C 样式转换或函数样式转换
1>f:\code\mfc\报错程序集锦\keyborad3\keyborad3\keyborad3.cpp(64): error C2440: “初始化”: 无法从“const char [20]”转换为“TCHAR *”
1> 与指向的类型无关;转换要求 reinterpret_cast、C 样式转换或函数样式转换
1>f:\code\mfc\报错程序集锦\keyborad3\keyborad3\keyborad3.cpp(65): error C2440: “初始化”: 无法从“const char [18]”转换为“TCHAR *”
1> 与指向的类型无关;转换要求 reinterpret_cast、C 样式转换或函数样式转换
1>f:\code\mfc\报错程序集锦\keyborad3\keyborad3\keyborad3.cpp(66): error C2440: “初始化”: 无法从“const char [17]”转换为“TCHAR *”
1> 与指向的类型无关;转换要求 reinterpret_cast、C 样式转换或函数样式转换
1>
1>生成失败。