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Overview
Comment:Internationalization of all Windows font handling
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SHA1: e472bebc7a2185c4e2137304b3d3845cea02c960
User & Date: jan.nijtmans 2011-10-13 12:36:52
Context
2011-10-24
19:36
Merge TIP 382 implementation to trunk. Still need Carbon migration & Cocoa. check-in: fe657dbc user: dgp tags: trunk
2011-10-13
12:36
Internationalization of all Windows font handling check-in: e472bebc user: jan.nijtmans tags: trunk
2011-10-11
09:11
code cleanup (WCHAR -> TCHAR, no direct calls to *W() functions, unnecessary type casts check-in: 43378935 user: jan.nijtmans tags: trunk
Changes
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Changes to ChangeLog.






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2011-10-10  Jan Nijtmans  <[email protected]>

	* win/tkWinDialog.c: [BUG 3163893] -initialdir option bug for
	tk_chooseDirectory under XP

2011-10-05  Jan Nijtmans  <[email protected]>

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2011-10-13  Jan Nijtmans  <[email protected]>

	* win/tkWinDialog.c: Internationalization of all Windows font
	* win/tkWinFont.c:   handling.

2011-10-10  Jan Nijtmans  <[email protected]>

	* win/tkWinDialog.c: [BUG 3163893] -initialdir option bug for
	tk_chooseDirectory under XP

2011-10-05  Jan Nijtmans  <[email protected]>

Changes to win/tkWinDialog.c.

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 * Result:
 *	A list containing a Tk font description.
 *
 * ----------------------------------------------------------------------
 */

static Tcl_Obj *
GetFontObj(HDC hdc, LOGFONTA *plf)
{

    Tcl_Obj *resObj;
    int pt = 0;

    resObj = Tcl_NewListObj(0, NULL);

    Tcl_ListObjAppendElement(NULL, resObj,
	    Tcl_NewStringObj(plf->lfFaceName, -1));

    pt = -MulDiv(plf->lfHeight, 72, GetDeviceCaps(hdc, LOGPIXELSY));
    Tcl_ListObjAppendElement(NULL, resObj, Tcl_NewIntObj(pt));
    if (plf->lfWeight >= 700) {
	Tcl_ListObjAppendElement(NULL, resObj, Tcl_NewStringObj("bold", -1));
    }
    if (plf->lfItalic) {
	Tcl_ListObjAppendElement(NULL, resObj,







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 * Result:
 *	A list containing a Tk font description.
 *
 * ----------------------------------------------------------------------
 */

static Tcl_Obj *
GetFontObj(HDC hdc, LOGFONT *plf)
{
    Tcl_DString ds;
    Tcl_Obj *resObj;
    int pt = 0;

    resObj = Tcl_NewListObj(0, NULL);
    Tcl_ExternalToUtfDString(TkWinGetUnicodeEncoding(), (char *) plf->lfFaceName, -1, &ds);
    Tcl_ListObjAppendElement(NULL, resObj,
	    Tcl_NewStringObj(Tcl_DStringValue(&ds), -1));
    Tcl_DStringFree(&ds);
    pt = -MulDiv(plf->lfHeight, 72, GetDeviceCaps(hdc, LOGPIXELSY));
    Tcl_ListObjAppendElement(NULL, resObj, Tcl_NewIntObj(pt));
    if (plf->lfWeight >= 700) {
	Tcl_ListObjAppendElement(NULL, resObj, Tcl_NewStringObj("bold", -1));
    }
    if (plf->lfItalic) {
	Tcl_ListObjAppendElement(NULL, resObj,
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	Tcl_ListObjAppendElement(NULL, resObj,
		Tcl_NewStringObj("overstrike", -1));
    }
    return resObj;
}

static void
ApplyLogfont(Tcl_Interp *interp, Tcl_Obj *cmdObj, HDC hdc, LOGFONTA *logfontPtr)
{
    int objc;
    Tcl_Obj **objv, **tmpv;

    Tcl_ListObjGetElements(NULL, cmdObj, &objc, &objv);
    tmpv = ckalloc(sizeof(Tcl_Obj *) * (objc + 2));
    memcpy(tmpv, objv, sizeof(Tcl_Obj *) * objc);







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	Tcl_ListObjAppendElement(NULL, resObj,
		Tcl_NewStringObj("overstrike", -1));
    }
    return resObj;
}

static void
ApplyLogfont(Tcl_Interp *interp, Tcl_Obj *cmdObj, HDC hdc, LOGFONT *logfontPtr)
{
    int objc;
    Tcl_Obj **objv, **tmpv;

    Tcl_ListObjGetElements(NULL, cmdObj, &objc, &objv);
    tmpv = ckalloc(sizeof(Tcl_Obj *) * (objc + 2));
    memcpy(tmpv, objv, sizeof(Tcl_Obj *) * objc);
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    /*
     * Handle apply button by calling the provided command script as a
     * background evaluation (ie: errors dont come back here).
     */

    if (WM_COMMAND == msg && LOWORD(wParam) == 1026) {
	LOGFONTA lf = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0, 0}};
	HDC hdc = GetDC(hwndDlg);

	SendMessageA(hwndDlg, WM_CHOOSEFONT_GETLOGFONT, 0, (LPARAM) &lf);
	if (phd && phd->cmdObj) {
	    ApplyLogfont(phd->interp, phd->cmdObj, hdc, &lf);
	}
	if (phd && phd->parent) {
	    TkSendVirtualEvent(phd->parent, "TkFontchooserFontChanged");
	}
	return 1;







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    /*
     * Handle apply button by calling the provided command script as a
     * background evaluation (ie: errors dont come back here).
     */

    if (WM_COMMAND == msg && LOWORD(wParam) == 1026) {
	LOGFONT lf = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0, 0}};
	HDC hdc = GetDC(hwndDlg);

	SendMessage(hwndDlg, WM_CHOOSEFONT_GETLOGFONT, 0, (LPARAM) &lf);
	if (phd && phd->cmdObj) {
	    ApplyLogfont(phd->interp, phd->cmdObj, hdc, &lf);
	}
	if (phd && phd->parent) {
	    TkSendVirtualEvent(phd->parent, "TkFontchooserFontChanged");
	}
	return 1;
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static int
FontchooserShowCmd(
    ClientData clientData,	/* Main window */
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{

    Tk_Window tkwin = clientData, parent;
    CHOOSEFONTA cf;
    LOGFONTA lf;
    HDC hdc;
    HookData *hdPtr;
    int r = TCL_OK, oldMode = 0;

    hdPtr = Tcl_GetAssocData(interp, "::tk::fontchooser", NULL);

    parent = tkwin;
    if (hdPtr->parentObj) {
	parent = Tk_NameToWindow(interp, Tcl_GetString(hdPtr->parentObj),
		tkwin);
	if (parent == None) {
	    return TCL_ERROR;
	}
    }

    Tk_MakeWindowExist(parent);

    ZeroMemory(&cf, sizeof(CHOOSEFONTA));
    ZeroMemory(&lf, sizeof(LOGFONTA));
    lf.lfCharSet = DEFAULT_CHARSET;
    cf.lStructSize = sizeof(CHOOSEFONTA);
    cf.hwndOwner = Tk_GetHWND(Tk_WindowId(parent));
    cf.lpLogFont = &lf;
    cf.nFontType = SCREEN_FONTTYPE;
    cf.Flags = CF_SCREENFONTS | CF_EFFECTS | CF_ENABLEHOOK;
    cf.rgbColors = RGB(0,0,0);
    cf.lpfnHook = HookProc;
    cf.lCustData = (INT_PTR) hdPtr;
    hdPtr->interp = interp;
    hdPtr->parent = parent;
    hdc = GetDC(cf.hwndOwner);

    if (hdPtr->fontObj != NULL) {
	TkFont *fontPtr;
	Tk_Font f = Tk_AllocFontFromObj(interp, tkwin, hdPtr->fontObj);

	if (f == NULL) {
	    return TCL_ERROR;
	}
	fontPtr = (TkFont *) f;
	cf.Flags |= CF_INITTOLOGFONTSTRUCT;

	strncpy(lf.lfFaceName, Tk_GetUid(fontPtr->fa.family), LF_FACESIZE-1);

	lf.lfFaceName[LF_FACESIZE-1] = 0;
	lf.lfHeight = -MulDiv(TkFontGetPoints(tkwin, fontPtr->fa.size),
	    GetDeviceCaps(hdc, LOGPIXELSY), 72);
	if (fontPtr->fa.weight == TK_FW_BOLD) {
	    lf.lfWeight = FW_BOLD;
	}
	if (fontPtr->fa.slant != TK_FS_ROMAN) {







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static int
FontchooserShowCmd(
    ClientData clientData,	/* Main window */
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_DString ds;
    Tk_Window tkwin = clientData, parent;
    CHOOSEFONT cf;
    LOGFONT lf;
    HDC hdc;
    HookData *hdPtr;
    int r = TCL_OK, oldMode = 0;

    hdPtr = Tcl_GetAssocData(interp, "::tk::fontchooser", NULL);

    parent = tkwin;
    if (hdPtr->parentObj) {
	parent = Tk_NameToWindow(interp, Tcl_GetString(hdPtr->parentObj),
		tkwin);
	if (parent == None) {
	    return TCL_ERROR;
	}
    }

    Tk_MakeWindowExist(parent);

    ZeroMemory(&cf, sizeof(CHOOSEFONT));
    ZeroMemory(&lf, sizeof(LOGFONT));
    lf.lfCharSet = DEFAULT_CHARSET;
    cf.lStructSize = sizeof(CHOOSEFONT);
    cf.hwndOwner = Tk_GetHWND(Tk_WindowId(parent));
    cf.lpLogFont = &lf;
    cf.nFontType = SCREEN_FONTTYPE;
    cf.Flags = CF_SCREENFONTS | CF_EFFECTS | CF_ENABLEHOOK;
    cf.rgbColors = RGB(0,0,0);
    cf.lpfnHook = HookProc;
    cf.lCustData = (INT_PTR) hdPtr;
    hdPtr->interp = interp;
    hdPtr->parent = parent;
    hdc = GetDC(cf.hwndOwner);

    if (hdPtr->fontObj != NULL) {
	TkFont *fontPtr;
	Tk_Font f = Tk_AllocFontFromObj(interp, tkwin, hdPtr->fontObj);

	if (f == NULL) {
	    return TCL_ERROR;
	}
	fontPtr = (TkFont *) f;
	cf.Flags |= CF_INITTOLOGFONTSTRUCT;
    Tcl_UtfToExternalDString(TkWinGetUnicodeEncoding(), fontPtr->fa.family, -1, &ds);
    _tcsncpy(lf.lfFaceName, (TCHAR *)Tcl_DStringValue(&ds), LF_FACESIZE-1);
    Tcl_DStringFree(&ds);
	lf.lfFaceName[LF_FACESIZE-1] = 0;
	lf.lfHeight = -MulDiv(TkFontGetPoints(tkwin, fontPtr->fa.size),
	    GetDeviceCaps(hdc, LOGPIXELSY), 72);
	if (fontPtr->fa.weight == TK_FW_BOLD) {
	    lf.lfWeight = FW_BOLD;
	}
	if (fontPtr->fa.slant != TK_FS_ROMAN) {
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	if (len > 0) {
	    cf.Flags |= CF_APPLY;
	}
    }

    if (TCL_OK == r) {
	oldMode = Tcl_SetServiceMode(TCL_SERVICE_ALL);
	if (ChooseFontA(&cf)) {
	    if (hdPtr->cmdObj) {
		ApplyLogfont(hdPtr->interp, hdPtr->cmdObj, hdc, &lf);
	    }
	    if (hdPtr->parent) {
		TkSendVirtualEvent(hdPtr->parent, "TkFontchooserFontChanged");
	    }
	}







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	if (len > 0) {
	    cf.Flags |= CF_APPLY;
	}
    }

    if (TCL_OK == r) {
	oldMode = Tcl_SetServiceMode(TCL_SERVICE_ALL);
	if (ChooseFont(&cf)) {
	    if (hdPtr->cmdObj) {
		ApplyLogfont(hdPtr->interp, hdPtr->cmdObj, hdc, &lf);
	    }
	    if (hdPtr->parent) {
		TkSendVirtualEvent(hdPtr->parent, "TkFontchooserFontChanged");
	    }
	}

Changes to win/tkWinFont.c.

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			    double angle);
static void		InitFont(Tk_Window tkwin, HFONT hFont,
			    int overstrike, WinFont *tkFontPtr);
static inline void	InitSubFont(HDC hdc, HFONT hFont, int base,
			    SubFont *subFontPtr);
static int		CreateNamedSystemLogFont(Tcl_Interp *interp,
			    Tk_Window tkwin, const char* name,
			    LOGFONTA* logFontPtr);
static int		CreateNamedSystemFont(Tcl_Interp *interp,
			    Tk_Window tkwin, const char* name, HFONT hFont);
static int		LoadFontRanges(HDC hdc, HFONT hFont,
			    USHORT **startCount, USHORT **endCount,
			    int *symbolPtr);
static void		MultiFontTextOut(HDC hdc, WinFont *fontPtr,
			    const char *source, int numBytes, int x, int y,
			    double angle);
static void		ReleaseFont(WinFont *fontPtr);
static inline void	ReleaseSubFont(SubFont *subFontPtr);
static int		SeenName(const char *name, Tcl_DString *dsPtr);
static inline HFONT	SelectFont(HDC hdc, WinFont *fontPtr,
			    SubFont *subFontPtr, double angle);
static inline void	SwapLong(PULONG p);
static inline void	SwapShort(USHORT *p);
static int CALLBACK	WinFontCanUseProc(ENUMLOGFONTA *lfPtr,
			    NEWTEXTMETRICA *tmPtr, int fontType,
			    LPARAM lParam);
static int CALLBACK	WinFontExistProc(ENUMLOGFONTA *lfPtr,
			    NEWTEXTMETRICA *tmPtr, int fontType,
			    LPARAM lParam);
static int CALLBACK	WinFontFamilyEnumProc(ENUMLOGFONTA *lfPtr,
			    NEWTEXTMETRICA *tmPtr, int fontType,
			    LPARAM lParam);

/*
 *-------------------------------------------------------------------------
 *
 * TkpFontPkgInit --
 *







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			    double angle);
static void		InitFont(Tk_Window tkwin, HFONT hFont,
			    int overstrike, WinFont *tkFontPtr);
static inline void	InitSubFont(HDC hdc, HFONT hFont, int base,
			    SubFont *subFontPtr);
static int		CreateNamedSystemLogFont(Tcl_Interp *interp,
			    Tk_Window tkwin, const char* name,
			    LOGFONT* logFontPtr);
static int		CreateNamedSystemFont(Tcl_Interp *interp,
			    Tk_Window tkwin, const char* name, HFONT hFont);
static int		LoadFontRanges(HDC hdc, HFONT hFont,
			    USHORT **startCount, USHORT **endCount,
			    int *symbolPtr);
static void		MultiFontTextOut(HDC hdc, WinFont *fontPtr,
			    const char *source, int numBytes, int x, int y,
			    double angle);
static void		ReleaseFont(WinFont *fontPtr);
static inline void	ReleaseSubFont(SubFont *subFontPtr);
static int		SeenName(const char *name, Tcl_DString *dsPtr);
static inline HFONT	SelectFont(HDC hdc, WinFont *fontPtr,
			    SubFont *subFontPtr, double angle);
static inline void	SwapLong(PULONG p);
static inline void	SwapShort(USHORT *p);
static int CALLBACK	WinFontCanUseProc(ENUMLOGFONT *lfPtr,
			    NEWTEXTMETRIC *tmPtr, int fontType,
			    LPARAM lParam);
static int CALLBACK	WinFontExistProc(ENUMLOGFONT *lfPtr,
			    NEWTEXTMETRIC *tmPtr, int fontType,
			    LPARAM lParam);
static int CALLBACK	WinFontFamilyEnumProc(ENUMLOGFONT *lfPtr,
			    NEWTEXTMETRIC *tmPtr, int fontType,
			    LPARAM lParam);

/*
 *-------------------------------------------------------------------------
 *
 * TkpFontPkgInit --
 *
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 */

static int
CreateNamedSystemLogFont(
    Tcl_Interp *interp,
    Tk_Window tkwin,
    const char* name,
    LOGFONTA* logFontPtr)
{
    HFONT hFont;
    int r;

    hFont = CreateFontIndirectA(logFontPtr);
    r = CreateNamedSystemFont(interp, tkwin, name, hFont);
    DeleteObject((HGDIOBJ)hFont);
    return r;
}

/*
 *---------------------------------------------------------------------------







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 */

static int
CreateNamedSystemLogFont(
    Tcl_Interp *interp,
    Tk_Window tkwin,
    const char* name,
    LOGFONT* logFontPtr)
{
    HFONT hFont;
    int r;

    hFont = CreateFontIndirect(logFontPtr);
    r = CreateNamedSystemFont(interp, tkwin, name, hFont);
    DeleteObject((HGDIOBJ)hFont);
    return r;
}

/*
 *---------------------------------------------------------------------------
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void
TkWinSetupSystemFonts(
    TkMainInfo *mainPtr)
{
    Tcl_Interp *interp;
    Tk_Window tkwin;
    const TkStateMap *mapPtr;
    NONCLIENTMETRICSA ncMetrics;
    ICONMETRICSA iconMetrics;
    HFONT hFont;

    interp = (Tcl_Interp *) mainPtr->interp;
    tkwin = (Tk_Window) mainPtr->winPtr;

    /* force this for now */
    if (((TkWindow *) tkwin)->mainPtr == NULL) {
	((TkWindow *) tkwin)->mainPtr = mainPtr;
    }

    /*
     * If this API call fails then we will fallback to setting these named
     * fonts from script in ttk/fonts.tcl. So far I've only seen it fail when
     * WINVER has been defined for a higher platform than we are running on.
     * (i.e. WINVER=0x0600 and running on XP).
     */

    ZeroMemory(&ncMetrics, sizeof(ncMetrics));
    ncMetrics.cbSize = sizeof(ncMetrics);
    if (SystemParametersInfoA(SPI_GETNONCLIENTMETRICS,
	    sizeof(ncMetrics), &ncMetrics, 0)) {
	CreateNamedSystemLogFont(interp, tkwin, "TkDefaultFont",
		&ncMetrics.lfMessageFont);
	CreateNamedSystemLogFont(interp, tkwin, "TkHeadingFont",
		&ncMetrics.lfMessageFont);
	CreateNamedSystemLogFont(interp, tkwin, "TkTextFont",
		&ncMetrics.lfMessageFont);
	CreateNamedSystemLogFont(interp, tkwin, "TkMenuFont",
		&ncMetrics.lfMenuFont);
	CreateNamedSystemLogFont(interp, tkwin, "TkTooltipFont",
		&ncMetrics.lfStatusFont);
	CreateNamedSystemLogFont(interp, tkwin, "TkCaptionFont",
		&ncMetrics.lfCaptionFont);
	CreateNamedSystemLogFont(interp, tkwin, "TkSmallCaptionFont",
		&ncMetrics.lfSmCaptionFont);
    }

    iconMetrics.cbSize = sizeof(iconMetrics);
    if (SystemParametersInfoA(SPI_GETICONMETRICS, sizeof(iconMetrics),
	    &iconMetrics, 0)) {
	CreateNamedSystemLogFont(interp, tkwin, "TkIconFont",
		&iconMetrics.lfFont);
    }

    /*
     * Identify an available fixed font. Equivalent to ANSI_FIXED_FONT but
     * more reliable on Russian Windows.
     */

    {
	LOGFONTA lfFixed = {
	    0, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, DEFAULT_CHARSET,
	    0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, ""
	};
	long pointSize, dpi;
	HDC hdc = GetDC(NULL);
	dpi = GetDeviceCaps(hdc, LOGPIXELSY);
	pointSize = -MulDiv(ncMetrics.lfMessageFont.lfHeight, 72, dpi);
	lfFixed.lfHeight = -MulDiv(pointSize+1, dpi, 72);
	ReleaseDC(NULL, hdc);







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void
TkWinSetupSystemFonts(
    TkMainInfo *mainPtr)
{
    Tcl_Interp *interp;
    Tk_Window tkwin;
    const TkStateMap *mapPtr;
    NONCLIENTMETRICS ncMetrics;
    ICONMETRICS iconMetrics;
    HFONT hFont;

    interp = (Tcl_Interp *) mainPtr->interp;
    tkwin = (Tk_Window) mainPtr->winPtr;

    /* force this for now */
    if (((TkWindow *) tkwin)->mainPtr == NULL) {
	((TkWindow *) tkwin)->mainPtr = mainPtr;
    }

    /*
     * If this API call fails then we will fallback to setting these named
     * fonts from script in ttk/fonts.tcl. So far I've only seen it fail when
     * WINVER has been defined for a higher platform than we are running on.
     * (i.e. WINVER=0x0600 and running on XP).
     */

    ZeroMemory(&ncMetrics, sizeof(ncMetrics));
    ncMetrics.cbSize = sizeof(ncMetrics);
    if (SystemParametersInfo(SPI_GETNONCLIENTMETRICS,
	    sizeof(ncMetrics), &ncMetrics, 0)) {
	CreateNamedSystemLogFont(interp, tkwin, "TkDefaultFont",
		&ncMetrics.lfMessageFont);
	CreateNamedSystemLogFont(interp, tkwin, "TkHeadingFont",
		&ncMetrics.lfMessageFont);
	CreateNamedSystemLogFont(interp, tkwin, "TkTextFont",
		&ncMetrics.lfMessageFont);
	CreateNamedSystemLogFont(interp, tkwin, "TkMenuFont",
		&ncMetrics.lfMenuFont);
	CreateNamedSystemLogFont(interp, tkwin, "TkTooltipFont",
		&ncMetrics.lfStatusFont);
	CreateNamedSystemLogFont(interp, tkwin, "TkCaptionFont",
		&ncMetrics.lfCaptionFont);
	CreateNamedSystemLogFont(interp, tkwin, "TkSmallCaptionFont",
		&ncMetrics.lfSmCaptionFont);
    }

    iconMetrics.cbSize = sizeof(iconMetrics);
    if (SystemParametersInfo(SPI_GETICONMETRICS, sizeof(iconMetrics),
	    &iconMetrics, 0)) {
	CreateNamedSystemLogFont(interp, tkwin, "TkIconFont",
		&iconMetrics.lfFont);
    }

    /*
     * Identify an available fixed font. Equivalent to ANSI_FIXED_FONT but
     * more reliable on Russian Windows.
     */

    {
	LOGFONT lfFixed = {
	    0, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, DEFAULT_CHARSET,
	    0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, TEXT("")
	};
	long pointSize, dpi;
	HDC hdc = GetDC(NULL);
	dpi = GetDeviceCaps(hdc, LOGPIXELSY);
	pointSize = -MulDiv(ncMetrics.lfMessageFont.lfHeight, 72, dpi);
	lfFixed.lfHeight = -MulDiv(pointSize+1, dpi, 72);
	ReleaseDC(NULL, hdc);
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	    (LPARAM) resultObj);
    ReleaseDC(hwnd, hdc);
    Tcl_SetObjResult(interp, resultObj);
}

static int CALLBACK
WinFontFamilyEnumProc(
    ENUMLOGFONTA *lfPtr,		/* Logical-font data. */
    NEWTEXTMETRICA *tmPtr,	/* Physical-font data (not used). */
    int fontType,		/* Type of font (not used). */
    LPARAM lParam)		/* Result object to hold result. */
{
    char *faceName = lfPtr->elfLogFont.lfFaceName;
    Tcl_Obj *resultObj = (Tcl_Obj *) lParam;
    Tcl_DString faceString;

    Tcl_ExternalToUtfDString(systemEncoding, faceName, -1, &faceString);
    Tcl_ListObjAppendElement(NULL, resultObj, Tcl_NewStringObj(
	    Tcl_DStringValue(&faceString), Tcl_DStringLength(&faceString)));
    Tcl_DStringFree(&faceString);







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	    (LPARAM) resultObj);
    ReleaseDC(hwnd, hdc);
    Tcl_SetObjResult(interp, resultObj);
}

static int CALLBACK
WinFontFamilyEnumProc(
    ENUMLOGFONT *lfPtr,		/* Logical-font data. */
    NEWTEXTMETRIC *tmPtr,	/* Physical-font data (not used). */
    int fontType,		/* Type of font (not used). */
    LPARAM lParam)		/* Result object to hold result. */
{
    char *faceName = (char *) lfPtr->elfLogFont.lfFaceName;
    Tcl_Obj *resultObj = (Tcl_Obj *) lParam;
    Tcl_DString faceString;

    Tcl_ExternalToUtfDString(systemEncoding, faceName, -1, &faceString);
    Tcl_ListObjAppendElement(NULL, resultObj, Tcl_NewStringObj(
	    Tcl_DStringValue(&faceString), Tcl_DStringLength(&faceString)));
    Tcl_DStringFree(&faceString);
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    }
    ReleaseDC(fontPtr->hwnd, hdc);
    return subFontPtr;
}

static int CALLBACK
WinFontCanUseProc(
    ENUMLOGFONTA *lfPtr,		/* Logical-font data. */
    NEWTEXTMETRICA *tmPtr,	/* Physical-font data (not used). */
    int fontType,		/* Type of font (not used). */
    LPARAM lParam)		/* Result object to hold result. */
{
    int ch;
    HDC hdc;
    WinFont *fontPtr;
    CanUse *canUsePtr;
    char *fallbackName;
    SubFont *subFontPtr;
    Tcl_DString faceString;
    Tcl_DString *nameTriedPtr;

    canUsePtr	    = (CanUse *) lParam;
    ch		    = canUsePtr->ch;
    hdc		    = canUsePtr->hdc;
    fontPtr	    = canUsePtr->fontPtr;
    nameTriedPtr    = canUsePtr->nameTriedPtr;

    fallbackName = lfPtr->elfLogFont.lfFaceName;
    Tcl_ExternalToUtfDString(systemEncoding, fallbackName, -1, &faceString);
    fallbackName = Tcl_DStringValue(&faceString);

    if (SeenName(fallbackName, nameTriedPtr) == 0) {
	subFontPtr = CanUseFallback(hdc, fontPtr, fallbackName, ch,
		canUsePtr->subFontPtrPtr);
	if (subFontPtr != NULL) {







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    }
    ReleaseDC(fontPtr->hwnd, hdc);
    return subFontPtr;
}

static int CALLBACK
WinFontCanUseProc(
    ENUMLOGFONT *lfPtr,		/* Logical-font data. */
    NEWTEXTMETRIC *tmPtr,	/* Physical-font data (not used). */
    int fontType,		/* Type of font (not used). */
    LPARAM lParam)		/* Result object to hold result. */
{
    int ch;
    HDC hdc;
    WinFont *fontPtr;
    CanUse *canUsePtr;
    char *fallbackName;
    SubFont *subFontPtr;
    Tcl_DString faceString;
    Tcl_DString *nameTriedPtr;

    canUsePtr	    = (CanUse *) lParam;
    ch		    = canUsePtr->ch;
    hdc		    = canUsePtr->hdc;
    fontPtr	    = canUsePtr->fontPtr;
    nameTriedPtr    = canUsePtr->nameTriedPtr;

    fallbackName = (char *) lfPtr->elfLogFont.lfFaceName;
    Tcl_ExternalToUtfDString(systemEncoding, fallbackName, -1, &faceString);
    fallbackName = Tcl_DStringValue(&faceString);

    if (SeenName(fallbackName, nameTriedPtr) == 0) {
	subFontPtr = CanUseFallback(hdc, fontPtr, fallbackName, ch,
		canUsePtr->subFontPtrPtr);
	if (subFontPtr != NULL) {
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    lf.lfCharSet	= DEFAULT_CHARSET;
    lf.lfOutPrecision	= OUT_TT_PRECIS;
    lf.lfClipPrecision	= CLIP_DEFAULT_PRECIS;
    lf.lfQuality	= DEFAULT_QUALITY;
    lf.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;

    Tcl_UtfToExternalDString(systemEncoding, faceName, -1, &ds);

    if (TkWinGetPlatformId() == VER_PLATFORM_WIN32_NT) {
	Tcl_UniChar *src, *dst;

	/*
	 * We can only store up to LF_FACESIZE wide characters
	 */

	if (Tcl_DStringLength(&ds) >= (int)(LF_FACESIZE * sizeof(TCHAR))) {
	    Tcl_DStringSetLength(&ds, LF_FACESIZE);
	}
	src = (Tcl_UniChar *) Tcl_DStringValue(&ds);
	dst = (Tcl_UniChar *) lf.lfFaceName;
	while (*src != '\0') {
	    *dst++ = *src++;
	}
	*dst = '\0';
	hFont = CreateFontIndirect(&lf);
    } else {
	/*
	 * We can only store up to LF_FACESIZE characters
	 */

	if (Tcl_DStringLength(&ds) >= LF_FACESIZE) {
	    Tcl_DStringSetLength(&ds, LF_FACESIZE);
	}
	strcpy((char *) lf.lfFaceName, Tcl_DStringValue(&ds));
	hFont = CreateFontIndirectA((LOGFONTA *) &lf);
    }
    Tcl_DStringFree(&ds);
    return hFont;
}

/*
 *-------------------------------------------------------------------------
 *
 * FamilyExists, FamilyOrAliasExists, WinFontExistsProc --







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    lf.lfCharSet	= DEFAULT_CHARSET;
    lf.lfOutPrecision	= OUT_TT_PRECIS;
    lf.lfClipPrecision	= CLIP_DEFAULT_PRECIS;
    lf.lfQuality	= DEFAULT_QUALITY;
    lf.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;

    Tcl_UtfToExternalDString(systemEncoding, faceName, -1, &ds);
    _tcsncpy(lf.lfFaceName, (TCHAR *)Tcl_DStringValue(&ds), LF_FACESIZE-1);








    Tcl_DStringFree(&ds);


    lf.lfFaceName[LF_FACESIZE-1] = 0;




    hFont = CreateFontIndirect(&lf);












    return hFont;
}

/*
 *-------------------------------------------------------------------------
 *
 * FamilyExists, FamilyOrAliasExists, WinFontExistsProc --
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	}
    }
    return NULL;
}

static int CALLBACK
WinFontExistProc(
    ENUMLOGFONTA *lfPtr,		/* Logical-font data. */
    NEWTEXTMETRICA *tmPtr,	/* Physical-font data (not used). */
    int fontType,		/* Type of font (not used). */
    LPARAM lParam)		/* EnumFontData to hold result. */
{
    return 0;
}

/*







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	}
    }
    return NULL;
}

static int CALLBACK
WinFontExistProc(
    ENUMLOGFONT *lfPtr,		/* Logical-font data. */
    NEWTEXTMETRIC *tmPtr,	/* Physical-font data (not used). */
    int fontType,		/* Type of font (not used). */
    LPARAM lParam)		/* EnumFontData to hold result. */
{
    return 0;
}

/*