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notepad: Fix a possible rounding error when storing the font point size to the registry.

This commit is contained in:
Rolf Kalbermatter 2007-04-01 16:23:31 +02:00 committed by Alexandre Julliard
parent 3cae920399
commit a07e9c6933
1 changed files with 4 additions and 2 deletions
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6
programs/notepad/main.c
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@ -144,7 +144,8 @@ static VOID NOTEPAD_SaveSettingToRegistry(void)
SET_NOTEPAD_REG(hkey, value_iMarginRight, Globals.iMarginRight);
#undef SET_NOTEPAD_REG
data = (DWORD)(abs(Globals.lfFont.lfHeight) * 72 / get_dpi() * 10); /* method of native notepad.exe */
/* Store the current value as 10 * twips */
data = MulDiv(abs(Globals.lfFont.lfHeight), 720 , get_dpi());
RegSetValueEx(hkey, value_iPointSize, 0, REG_DWORD, (LPBYTE)&data, sizeof(DWORD));
RegSetValueEx(hkey, value_lfFaceName, 0, REG_SZ, (LPBYTE)&Globals.lfFont.lfFaceName,
@ -239,7 +240,8 @@ static VOID NOTEPAD_LoadSettingFromRegistry(void)
size = sizeof(DWORD);
if(RegQueryValueEx(hkey, value_iPointSize, 0, &type, (LPBYTE)&data, &size) == ERROR_SUCCESS)
if(type == REG_DWORD)
Globals.lfFont.lfHeight = (LONG)(-abs(data / 10 * get_dpi() / 72)); /* method of native notepad.exe */
/* The value is stored as 10 * twips */
Globals.lfFont.lfHeight = -MulDiv(abs(data), get_dpi(), 720);
size = sizeof(Globals.lfFont.lfFaceName);
if(RegQueryValueEx(hkey, value_lfFaceName, 0, &type, (LPBYTE)&data_helper, &size) == ERROR_SUCCESS)