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  1. I'm trying to create a simple clock widget that automatically scales the text to the size of the window. I came up with the following method, but it doesn't work as well as I'd like. It especially has trouble scaling to the width of the window for some reason (in the example, try resizing the window to be narrow and tall). Does anyone have a better method? #include <Misc.au3> #include <WinAPIConv.au3> #include <GUIConstants.au3> #include <GDIPlus.au3> Opt('MustDeclareVars', 1) Global $_FONT_FAMILY = 'Arial', $_LB_TEXT Main() Func Main() _GDIPlus_Startup() Local $hGUI GUIRegisterMsg($WM_SIZE, WM_SIZE) $hGUI = GUICreate('', 300, 100, Default, Default, $WS_OVERLAPPEDWINDOW, BitOR($WS_EX_TOOLWINDOW, $WS_EX_TOPMOST)) $_LB_TEXT = GUICtrlCreateLabel('This is a string', 0, 0, 300, 100, BitOR($SS_CENTER, $SS_CENTERIMAGE)) GUICtrlSetFont($_LB_TEXT, _MeasureString($hGUI, GUICtrlRead($_LB_TEXT), $_FONT_FAMILY), 0, 0, $_FONT_FAMILY, 5) GUISetState() Local $iGM While 1 $iGM = GUIGetMsg() Switch $iGM Case $GUI_EVENT_CLOSE ExitLoop EndSwitch WEnd _GDIPlus_Shutdown() EndFunc Func WM_SIZE($hWnd, $iMsg, $wParam, $lParam) GUICtrlSetFont($_LB_TEXT, _MeasureString($hWnd, GUICtrlRead($_LB_TEXT), $_FONT_FAMILY), 0, 0, $_FONT_FAMILY, 5) EndFunc Func _MeasureString($hWnd, $sString, $sFont = 'Arial') Local $iError, $aSize, $hGraphic, $hFormat, $hFamily, $tLayout, $iFontSize, $hFont, $aInfo If Not IsHWnd($hWnd) Then $hWnd = GUICtrlGetHandle($hWnd) EndIf $aSize = WinGetClientSize($hWnd) $hGraphic = _GDIPlus_GraphicsCreateFromHWND($hWnd) $hFormat = _GDIPlus_StringFormatCreate() $hFamily = _GDIPlus_FontFamilyCreate($sFont) $tLayout = _GDIPlus_RectFCreate(0, 0, $aSize[0], $aSize[1]) $iFontSize = 0 Do If Not $hFamily Then $iError = 1 $iFontSize = 10 ExitLoop EndIf $iFontSize += 1 $hFont = _GDIPlus_FontCreate($hFamily, $iFontSize, 0) $aInfo = _GDIPlus_GraphicsMeasureString($hGraphic, $sString, $hFont, $tLayout, $hFormat) _GDIPlus_FontDispose($hFont) If $aInfo[1] = 0 Then ExitLoop Until DllStructGetData($aInfo[0], 3) >= $aSize[0] Or DllStructGetData($aInfo[0], 4) >= $aSize[1] $iFontSize -= 1 _GDIPlus_FontFamilyDispose($hFamily) _GDIPlus_StringFormatDispose($hFormat) _GDIPlus_GraphicsDispose($hGraphic) Return SetError($iError, 0, $iFontSize) EndFunc
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