#include <windows.h>
#include "resource.h"
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
TCHAR szAppName[] = TEXT ("Justify1") ;
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
= szAppName ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox (NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow (szAppName, TEXT ("Justified Type #1"),
WS_OVERLAPPEDWINDOW,
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 ;
}
void DrawRuler (HDC hdc, RECT * prc)
{
static int iRuleSize [16] = { 360, 72, 144, 72, 216, 72, 144, 72,
288, 72, 144, 72, 216, 72, 144, 72 } ;
int
i, j ;
POINT
ptClient ;
SaveDC (hdc) ;
// Set Logical Twips mapping mode
SetMapMode (hdc, MM_ANISOTROPIC) ;
SetWindowExtEx (hdc, 1440, 1440, NULL) ;
SetViewportExtEx (hdc, GetDeviceCaps (hdc, LOGPIXELSX),
GetDeviceCaps (hdc, LOGPIXELSY), NULL) ;
// Move the origin to a half inch from upper left
SetWindowOrgEx (hdc, -720, -720, NULL) ;
// Find the right margin (quarter inch from right)
ptClient.x = prc->right ;
ptClient.y = prc->bottom ;
DPtoLP (hdc, &ptClient, 1) ;
ptClient.x -= 360 ;
// Draw the rulers
MoveToEx (hdc, 0,
-360, NULL) ;
LineTo
(hdc, ptClient.x, -360) ;
MoveToEx (hdc, -360,
0, NULL) ;
LineTo
(hdc, -360, ptClient.y) ;
for (i = 0, j = 0 ; i <= ptClient.x ; i += 1440 / 16, j++)
{
MoveToEx (hdc, i, -360, NULL) ;
LineTo
(hdc, i, -360 - iRuleSize [j % 16]) ;
}
for (i = 0, j = 0 ; i <= ptClient.y ; i += 1440 / 16, j++)
{
MoveToEx (hdc, -360, i, NULL) ;
LineTo
(hdc, -360 - iRuleSize [j % 16], i) ;
}
RestoreDC (hdc, -1) ;
}
void Justify (HDC hdc, PTSTR pText, RECT * prc, int iAlign)
{
int
xStart, yStart, cSpaceChars ;
PTSTR pBegin, pEnd ;
SIZE
size ;
yStart = prc->top ;
do
// for each text line
{
cSpaceChars = 0 ;
// initialize number of spaces in line
while (*pText == ' ')
// skip over leading spaces
pText++ ;
pBegin = pText ;
// set pointer to char at beginning of line
do
// until the line is known
{
pEnd = pText ;
// set pointer to char at end of line
// skip to next space
while (*pText != '\0' && *pText++ != ' ') ;
if (*pText == '\0')
break ;
// after each space encountered, calculate extents
cSpaceChars++ ;
GetTextExtentPoint32(hdc, pBegin, pText - pBegin - 1, &size) ;
}
while (size.cx < (prc->right - prc->left)) ;
cSpaceChars-- ;
// discount last space at end of line
while (*(pEnd - 1) == ' ')
// eliminate trailing spaces
{
pEnd-- ;
cSpaceChars-- ;
}
// if end of text and no space characters, set pEnd to end
if (*pText == '\0' || cSpaceChars <= 0)
pEnd = pText ;
GetTextExtentPoint32 (hdc, pBegin, pEnd - pBegin, &size) ;
switch (iAlign)
// use alignment for xStart
{
case IDM_ALIGN_LEFT:
xStart = prc->left ;
break ;
case IDM_ALIGN_RIGHT:
xStart = prc->right - size.cx ;
break ;
case IDM_ALIGN_CENTER:
xStart = (prc->right + prc->left - size.cx) / 2 ;
break ;
case IDM_ALIGN_JUSTIFIED:
if (*pText != '\0' && cSpaceChars > 0)
SetTextJustification (hdc,
prc->right - prc->left - size.cx,
cSpaceChars) ;
xStart = prc->left ;
break ;
}
// display the text
TextOut (hdc, xStart, yStart, pBegin, pEnd - pBegin) ;
// prepare for next line
SetTextJustification (hdc, 0, 0) ;
yStart += size.cy ;
pText = pEnd ;
}
while (*pText && yStart < prc->bottom - size.cy) ;
}
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
static CHOOSEFONT cf ;
static DOCINFO
di = { sizeof (DOCINFO), TEXT ("Justify1: Printing") } ;
static int
iAlign = IDM_ALIGN_LEFT ;
static LOGFONT
lf ;
static PRINTDLG
pd ;
static TCHAR
szText[] = {
TEXT ("You don't know about me, without you ")
TEXT ("have read a book by the name of \"The ")
TEXT ("Adventures of Tom Sawyer,\" but that ")
TEXT ("ain't no matter. That book was made by ")
TEXT ("Mr. Mark Twain, and he told the truth, ")
TEXT ("mainly. There was things which he ")
TEXT ("stretched, but mainly he told the truth. ")
TEXT ("That is nothing. I never seen anybody ")
TEXT ("but lied, one time or another, without ")
TEXT ("it was Aunt Polly, or the widow, or ")
TEXT ("maybe Mary. Aunt Polly -- Tom's Aunt ")
TEXT ("Polly, she is -- and Mary, and the Widow ")
TEXT ("Douglas, is all told about in that book ")
TEXT ("-- which is mostly a true book; with ")
TEXT ("some stretchers, as I said before.") } ;
BOOL
fSuccess ;
HDC
hdc, hdcPrn ;
HMENU
hMenu ;
int
iSavePointSize ;
PAINTSTRUCT
ps ;
RECT
rect ;
switch (message)
{
case WM_CREATE:
// Initialize the CHOOSEFONT structure
GetObject (GetStockObject (SYSTEM_FONT), sizeof (lf), &lf) ;
//下面的代码就是字体的属性
cf.lStructSize
= sizeof (CHOOSEFONT) ;
cf.hwndOwner
= hwnd ;
cf.hDC
= NULL ;
cf.lpLogFont
= &lf ;
cf.iPointSize
= 0 ;
cf.Flags
= CF_INITTOLOGFONTSTRUCT | CF_SCREENFONTS |
CF_EFFECTS ;
cf.rgbColors
= 0 ;
cf.lCustData
= 0 ;
cf.lpfnHook
= NULL ;
cf.lpTemplateName = NULL ;
cf.hInstance
= NULL ;
cf.lpszStyle
= NULL ;
cf.nFontType
= 0 ;
cf.nSizeMin
= 0 ;
cf.nSizeMax
= 0 ;
return 0 ;
case WM_COMMAND:
hMenu = GetMenu (hwnd) ;
switch (LOWORD (wParam))
{
case IDM_FILE_PRINT:
// Get printer DC
pd.lStructSize = sizeof (PRINTDLG) ;
pd.hwndOwner
= hwnd ;
pd.Flags
= PD_RETURNDC | PD_NOPAGENUMS | PD_NOSELECTION ;
if (!PrintDlg (&pd))
return 0 ;
if (NULL == (hdcPrn = pd.hDC))
{
MessageBox (hwnd, TEXT ("Cannot obtain Printer DC"),
szAppName, MB_ICONEXCLAMATION | MB_OK) ;
return 0 ;
}
// Set margins of 1 inch
rect.left
= GetDeviceCaps (hdcPrn, LOGPIXELSX) -
GetDeviceCaps (hdcPrn, PHYSICALOFFSETX) ;
rect.top
= GetDeviceCaps (hdcPrn, LOGPIXELSY) -
GetDeviceCaps (hdcPrn, PHYSICALOFFSETY) ;
rect.right
= GetDeviceCaps (hdcPrn, PHYSICALWIDTH) -
GetDeviceCaps (hdcPrn, LOGPIXELSX) -
GetDeviceCaps (hdcPrn, PHYSICALOFFSETX) ;
rect.bottom = GetDeviceCaps (hdcPrn, PHYSICALHEIGHT) -
GetDeviceCaps (hdcPrn, LOGPIXELSY) -
GetDeviceCaps (hdcPrn, PHYSICALOFFSETY) ;
// Display text on printer
SetCursor (LoadCursor (NULL, IDC_WAIT)) ;
ShowCursor (TRUE) ;
fSuccess = FALSE ;
if ((StartDoc (hdcPrn, &di) > 0) && (StartPage (hdcPrn) > 0))
{
// Select font using adjusted lfHeight
iSavePointSize = lf.lfHeight ;
lf.lfHeight = -(GetDeviceCaps (hdcPrn, LOGPIXELSY) *
cf.iPointSize) / 720 ;
SelectObject (hdcPrn, CreateFontIndirect (&lf)) ;
lf.lfHeight = iSavePointSize ;
// Set text color
SetTextColor (hdcPrn, cf.rgbColors) ;
// Display text
Justify (hdcPrn, szText, &rect, iAlign) ;
if (EndPage (hdcPrn) > 0)
{
fSuccess = TRUE ;
EndDoc (hdcPrn) ;
}
}
ShowCursor (FALSE) ;
SetCursor (LoadCursor (NULL, IDC_ARROW)) ;
DeleteDC (hdcPrn) ;
if (!fSuccess)
MessageBox (hwnd, TEXT ("Could not print text"),
szAppName, MB_ICONEXCLAMATION | MB_OK) ;
return 0 ;
case IDM_FONT:
//当选择菜单下的字体选项的时候
if (ChooseFont (&cf))
//弹出字体选择对话框
InvalidateRect (hwnd, NULL, TRUE) ;
return 0 ;
case IDM_ALIGN_LEFT:
case IDM_ALIGN_RIGHT:
case IDM_ALIGN_CENTER:
case IDM_ALIGN_JUSTIFIED:
CheckMenuItem (hMenu, iAlign, MF_UNCHECKED) ;
iAlign = LOWORD (wParam) ;
CheckMenuItem (hMenu, iAlign, MF_CHECKED) ;
InvalidateRect (hwnd, NULL, TRUE) ;
return 0 ;
}
return 0 ;
case WM_PAINT:
hdc = BeginPaint (hwnd, &ps) ;
GetClientRect (hwnd, &rect) ;
DrawRuler (hdc, &rect) ;
rect.left
+= GetDeviceCaps (hdc, LOGPIXELSX) / 2 ;
rect.top
+= GetDeviceCaps (hdc, LOGPIXELSY) / 2 ;
rect.right -= GetDeviceCaps (hdc, LOGPIXELSX) / 4 ;
SelectObject (hdc, CreateFontIndirect (&lf)) ;
SetTextColor (hdc, cf.rgbColors) ;
Justify (hdc, szText, &rect, iAlign) ;
DeleteObject (SelectObject (hdc, GetStockObject (SYSTEM_FONT)));
EndPaint (hwnd, &ps) ;
return 0 ;
case WM_DESTROY:
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
其实字体在WINDOWS 程序设计后面的章节就有啊
[
本帖最后由 a646404908 于 2012-10-29 23:16 编辑 ]
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