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GDI+ Plot ActiveX Control

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

#ifndef _GDIPLUSFONT_H
#define _GDIPLUSFONT_H

inline
Font::Font(IN HDC hdc)
{
    GpFont *font = NULL;
    lastResult = DllExports::GdipCreateFontFromDC(hdc, &font);

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

    SetNativeFont(font);
}

#ifdef DCR_USE_NEW_127084
inline
Font::Font(IN HDC hdc,
           IN const HFONT hfont)
{
    GpFont *font = NULL;

    if (hfont)
    {
        LOGFONTA lf;

        if(GetObjectA(hfont, sizeof(LOGFONTA), &lf))
            lastResult = DllExports::GdipCreateFontFromLogfontA(hdc, &lf, &font);
        else
            lastResult = DllExports::GdipCreateFontFromDC(hdc, &font);
    }
    else
    {
        lastResult = DllExports::GdipCreateFontFromDC(hdc, &font);
    }

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

    SetNativeFont(font);
}
#endif

inline
Font::Font(IN HDC hdc,
           IN const LOGFONTW* logfont)
{
    GpFont *font = NULL;
    if (logfont)
    {
        lastResult = DllExports::GdipCreateFontFromLogfontW(hdc, logfont, &font);
    }
    else
    {
        lastResult = DllExports::GdipCreateFontFromDC(hdc, &font);
    }

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

    SetNativeFont(font);
}

inline
Font::Font(IN HDC hdc,
           IN const LOGFONTA* logfont)
{
    GpFont *font = NULL;

    if (logfont)
    {
        lastResult = DllExports::GdipCreateFontFromLogfontA(hdc, logfont, &font);
    }
    else
    {
        lastResult = DllExports::GdipCreateFontFromDC(hdc, &font);
    }

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

    SetNativeFont(font);
}

inline
Font::Font(
     IN const FontFamily * family,
     IN REAL         emSize,
     IN INT          style,
     IN Unit         unit
)
{
    GpFont *font = NULL;

    lastResult = DllExports::GdipCreateFont(family ? family->nativeFamily : NULL,
                    emSize,
                    style,
                    unit,
                    &font);

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

    SetNativeFont(font);
}

inline
Font::Font(
     IN const WCHAR *          familyName,
     IN REAL                   emSize,
     IN INT                    style,
     IN Unit                   unit,
     IN const FontCollection * fontCollection
)
{
    FontFamily family(familyName, fontCollection);

    GpFont * font = NULL;

    lastResult = family.GetLastStatus();

    if (lastResult == Ok)
    {
        lastResult = DllExports::GdipCreateFont(family.nativeFamily,
                                emSize,
                                style,
                                unit,
                                &font);
    }

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

    SetNativeFont(font);
}

inline Status
Font::GetLogFontA(IN const Graphics *g,
                  OUT LOGFONTA *logfontA) const
{
    return SetStatus(DllExports::GdipGetLogFontA(nativeFont, g ? g->nativeGraphics : NULL, logfontA));

}

inline Status
Font::GetLogFontW(IN const Graphics *g,
                  OUT LOGFONTW *logfontW) const
{
    return SetStatus(DllExports::GdipGetLogFontW(nativeFont, g ? g->nativeGraphics : NULL, logfontW));
}


inline Font*
Font::Clone() const
{
    GpFont *cloneFont = NULL;

    SetStatus(DllExports::GdipCloneFont(nativeFont, &cloneFont));

    return new Font(cloneFont, lastResult);
}

inline
Font::~Font()
{
    DllExports::GdipDeleteFont(nativeFont);
}

// Operations

inline BOOL
Font::IsAvailable() const
{
    return (nativeFont ? TRUE : FALSE);
}

inline Status
Font::GetFamily(OUT FontFamily *family) const
{
    if (family == NULL)
    {
        return SetStatus(InvalidParameter);
    }

    Status status = DllExports::GdipGetFamily(nativeFont, &(family->nativeFamily));
    family->SetStatus(status);

    return SetStatus(status);
}

inline INT
Font::GetStyle() const
{
    INT style;

    SetStatus(DllExports::GdipGetFontStyle(nativeFont, &style));

    return style;
}

inline REAL
Font::GetSize() const
{
    REAL size;
    SetStatus(DllExports::GdipGetFontSize(nativeFont, &size));
    return size;
}

inline Unit
Font::GetUnit() const
{
    Unit unit;
    SetStatus(DllExports::GdipGetFontUnit(nativeFont, &unit));
    return unit;
}

inline REAL
Font::GetHeight(IN const Graphics *graphics) const
{
    REAL height;
    SetStatus(DllExports::GdipGetFontHeight(
        nativeFont,
        graphics ? graphics->nativeGraphics : NULL,
        &height
    ));
    return height;
}


#ifdef DCR_USE_NEW_125467
inline REAL
Font::GetHeight(IN REAL dpi = 0) const
{
    REAL height;
    SetStatus(DllExports::GdipGetFontHeightGivenDPI(nativeFont, dpi, &height));
    return height;
}
#endif


// protected method
inline
Font::Font(IN GpFont* font,
           IN Status status)
{
    lastResult = status;
    SetNativeFont(font);
}

// protected method
inline VOID
Font::SetNativeFont(GpFont *Font)
{
    nativeFont = Font;
}

inline Status
Font::GetLastStatus(void) const
{
    return lastResult;
}

// protected method
inline Status
Font::SetStatus(IN 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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