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GDI+ Plot ActiveX Control

, 5 Sep 2013 LGPL3
GDI+ 2D plot ActiveX control
/**************************************************************************\
*
* Copyright (c) 1998-2000, Microsoft Corp.  All Rights Reserved.
*
* Module Name:
*
*   GdiplusFontFamily.h
*
* Abstract:
*
*   Font family API related declarations
*
\**************************************************************************/

#ifndef _GDIPLUS_FONT_FAMILY_H
#define _GDIPLUS_FONT_FAMILY_H

inline 
FontFamily::FontFamily() :
    nativeFamily (NULL),
    lastResult    (Ok)
{
}

inline 
FontFamily::FontFamily(
    IN const WCHAR*          name,
    IN const FontCollection* fontCollection
)
{
    nativeFamily = NULL;
    lastResult = DllExports::GdipCreateFontFamilyFromName(
        name,
        fontCollection ? fontCollection->nativeFontCollection : NULL,
        &nativeFamily
    );
    
#ifndef DCR_USE_NEW_135429
    if ((INT) lastResult >= 10)
        lastResult = NotFound;
#endif
}

// private method
inline
FontFamily::FontFamily(
    IN GpFontFamily *nativeOrig,
    IN Status status
)
{
    lastResult    = status;
    nativeFamily = nativeOrig;
}

// Generic font family access

inline const FontFamily *
FontFamily::GenericSansSerif() 
{
    if (GenericSansSerifFontFamily != NULL)
    {
        return GenericSansSerifFontFamily;
    }

    GenericSansSerifFontFamily =
        (FontFamily*) GenericSansSerifFontFamilyBuffer;

    GenericSansSerifFontFamily->lastResult =
        DllExports::GdipGetGenericFontFamilySansSerif(
            &(GenericSansSerifFontFamily->nativeFamily)
        );

#ifndef DCR_USE_NEW_135429
    if ((INT) GenericSansSerifFontFamily->lastResult >= 10)
        GenericSansSerifFontFamily->lastResult = NotFound;
#endif

    return GenericSansSerifFontFamily;
}

inline const FontFamily *
FontFamily::GenericSerif() 
{
    if (GenericSerifFontFamily != NULL)
    {
        return GenericSerifFontFamily;
    }

    GenericSerifFontFamily =
        (FontFamily*) GenericSerifFontFamilyBuffer;

    GenericSerifFontFamily->lastResult =
        DllExports::GdipGetGenericFontFamilySerif(
            &(GenericSerifFontFamily->nativeFamily)
        );

#ifndef DCR_USE_NEW_135429
    if ((INT) GenericSerifFontFamily->lastResult >= 10)
        GenericSerifFontFamily->lastResult = NotFound;
#endif

    return GenericSerifFontFamily;
}

inline const FontFamily *
FontFamily::GenericMonospace()
{
    if (GenericMonospaceFontFamily != NULL)
    {
        return GenericMonospaceFontFamily;
    }

    GenericMonospaceFontFamily =
        (FontFamily*) GenericMonospaceFontFamilyBuffer;

    GenericMonospaceFontFamily->lastResult =
        DllExports::GdipGetGenericFontFamilyMonospace(
            &(GenericMonospaceFontFamily->nativeFamily)
        );

#ifndef DCR_USE_NEW_135429
    if ((INT) GenericMonospaceFontFamily->lastResult >= 10)
        GenericMonospaceFontFamily->lastResult = NotFound;
#endif

    return GenericMonospaceFontFamily;
}

inline FontFamily::~FontFamily()
{
    DllExports::GdipDeleteFontFamily (nativeFamily);
}

inline FontFamily *
FontFamily::Clone() const
{
    GpFontFamily * clonedFamily = NULL;

    SetStatus(DllExports::GdipCloneFontFamily (nativeFamily, &clonedFamily));

    return new FontFamily(clonedFamily, lastResult);
}

inline Status 
FontFamily::GetFamilyName(
    IN WCHAR name[LF_FACESIZE],
    IN LANGID language
) const
{
    return SetStatus(DllExports::GdipGetFamilyName(nativeFamily, 
                                                   name, 
                                                   language));
}

inline BOOL 
FontFamily::IsStyleAvailable(IN INT style) const
{
    BOOL    StyleAvailable;
    Status  status;

    status = SetStatus(DllExports::GdipIsStyleAvailable(nativeFamily, style, &StyleAvailable));

    if (status != Ok)
        StyleAvailable = FALSE;

    return StyleAvailable;
}


inline UINT16 
FontFamily::GetEmHeight(IN INT style) const
{
    UINT16  EmHeight;

    SetStatus(DllExports::GdipGetEmHeight(nativeFamily, style, &EmHeight));

    return EmHeight;
}

inline UINT16 
FontFamily::GetCellAscent(IN INT style) const
{
    UINT16  CellAscent;

    SetStatus(DllExports::GdipGetCellAscent(nativeFamily, style, &CellAscent));

    return CellAscent;
}

inline UINT16 
FontFamily::GetCellDescent(IN INT style) const
{
    UINT16  CellDescent;

    SetStatus(DllExports::GdipGetCellDescent(nativeFamily, style, &CellDescent));

    return CellDescent;
}


inline UINT16 
FontFamily::GetLineSpacing(IN INT style) const
{
    UINT16  LineSpacing;

    SetStatus(DllExports::GdipGetLineSpacing(nativeFamily, style, &LineSpacing));

    return LineSpacing;

}

#ifdef TEXTV2

// The following APIs return data from the font OS/2 table

inline INT16 
FontFamily::GetTypographicAscent(IN INT style) const
{
    INT16  TypographicAscent;

    SetStatus(DllExports::GdipGetTypographicAscent(nativeFamily, style, &TypographicAscent));

    return TypographicAscent;
}

inline INT16 
FontFamily::GetTypographicDescent(IN INT style) const
{
    INT16   TypographicDescent;

    SetStatus(DllExports::GdipGetTypographicDescent(nativeFamily, style, &TypographicDescent));

    return TypographicDescent;
}

inline INT16 
FontFamily::GetTypographicLineGap(IN INT style) const
{
    INT16   TypographicLineGap;

    SetStatus(DllExports::GdipGetTypographicLineGap(nativeFamily, style, &TypographicLineGap));

    return TypographicLineGap;
}

#endif

///////////////////////////////////////////////////////////

// GetLastStatus - return last error code and clear error code

inline Status 
FontFamily::GetLastStatus() const
{
    Status lastStatus = lastResult;
    lastResult = Ok;

    return lastStatus;
}

// protected method
inline Status
FontFamily::SetStatus(Status status) const 
{
    if (status != Ok)
        return (lastResult = status);
    else
        return status;
}

#endif

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License

This article, along with any associated source code and files, is licensed under The GNU Lesser General Public License (LGPLv3)

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About the Author

Leslie Zhai
Engineer
China China
An individual human existence should be like a river - small at first, narrowly contained within its banks, and rushing passionately past boulders and over waterfalls. Gradually the river grows wider, the banks recede, the waters flow more quietly, and in the end, without any visible break, they become merged in the sea, and painlessly lose their individual being.
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