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C++ FontPlatformData::size方法代码示例

本文整理汇总了C++中FontPlatformData::size方法的典型用法代码示例。如果您正苦于以下问题:C++ FontPlatformData::size方法的具体用法?C++ FontPlatformData::size怎么用?C++ FontPlatformData::size使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在FontPlatformData的用法示例。


在下文中一共展示了FontPlatformData::size方法的5个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: ENABLE

SimpleFontData::SimpleFontData(const FontPlatformData& f, bool customFont, bool loading, SVGFontData* svgFontData)
    : m_maxCharWidth(-1)
    , m_avgCharWidth(-1)
    , m_unitsPerEm(defaultUnitsPerEm)
    , m_platformData(f)
    , m_treatAsFixedPitch(false)
#if ENABLE(SVG_FONTS)
    , m_svgFontData(svgFontData)
#endif
    , m_isCustomFont(customFont)
    , m_isLoading(loading)
    , m_smallCapsFontData(0)
#if (PLATFORM(WKC))
    , m_lineSpacing(0)
#endif
{
#if !ENABLE(SVG_FONTS)
    UNUSED_PARAM(svgFontData);
#else
    if (SVGFontFaceElement* svgFontFaceElement = svgFontData ? svgFontData->svgFontFaceElement() : 0) {
        m_unitsPerEm = svgFontFaceElement->unitsPerEm();

        double scale = f.size();
        if (m_unitsPerEm)
            scale /= m_unitsPerEm;

        m_ascent = static_cast<int>(svgFontFaceElement->ascent() * scale);
        m_descent = static_cast<int>(svgFontFaceElement->descent() * scale);
        m_xHeight = static_cast<int>(svgFontFaceElement->xHeight() * scale);
        m_lineGap = 0.1f * f.size();
        m_lineSpacing = m_ascent + m_descent + m_lineGap;

        SVGFontElement* associatedFontElement = svgFontFaceElement->associatedFontElement();

        Vector<SVGGlyphIdentifier> spaceGlyphs;
        associatedFontElement->getGlyphIdentifiersForString(String(" ", 1), spaceGlyphs);
        m_spaceWidth = spaceGlyphs.isEmpty() ? m_xHeight : static_cast<float>(spaceGlyphs.first().horizontalAdvanceX * scale);

        Vector<SVGGlyphIdentifier> numeralZeroGlyphs;
        associatedFontElement->getGlyphIdentifiersForString(String("0", 1), numeralZeroGlyphs);
        m_avgCharWidth = numeralZeroGlyphs.isEmpty() ? m_spaceWidth : static_cast<float>(numeralZeroGlyphs.first().horizontalAdvanceX * scale);

        Vector<SVGGlyphIdentifier> letterWGlyphs;
        associatedFontElement->getGlyphIdentifiersForString(String("W", 1), letterWGlyphs);
        m_maxCharWidth = letterWGlyphs.isEmpty() ? m_ascent : static_cast<float>(letterWGlyphs.first().horizontalAdvanceX * scale);

        // FIXME: is there a way we can get the space glyph from the SVGGlyphIdentifier above?
        m_spaceGlyph = 0;
        determinePitch();
        m_adjustedSpaceWidth = roundf(m_spaceWidth);
        m_missingGlyphData.fontData = this;
        m_missingGlyphData.glyph = 0;
        return;
    }
#endif

    platformInit();
    platformGlyphInit();
    platformCharWidthInit();
}
开发者ID:flying-dutchmen,项目名称:3DS_w3Browser,代码行数:60,代码来源:SimpleFontData.cpp

示例2: paintSkiaText

void paintSkiaText(GraphicsContext* context,
                   const FontPlatformData& data,
                   int numGlyphs,
                   const WORD* glyphs,
                   const int* advances,
                   const GOFFSET* offsets,
                   const SkPoint* origin)
{
    paintSkiaText(context, data.hfont(), data.typeface(), data.size(), data.lfQuality(),
                  numGlyphs, glyphs, advances, offsets, origin);
}
开发者ID:,项目名称:,代码行数:11,代码来源:

示例3: paintSkiaText

void paintSkiaText(GraphicsContext* context,
                   const FontPlatformData& data,
                   int numGlyphs,
                   const WORD* glyphs,
                   const int* advances,
                   const GOFFSET* offsets,
                   const SkPoint& origin,
                   const SkRect& textRect)
{
    paintSkiaText(context, data.hfont(), data.typeface(), data.size(), data.paintTextFlags(),
                  numGlyphs, glyphs, advances, offsets, origin, textRect);
}
开发者ID:IllusionRom-deprecated,项目名称:android_platform_external_chromium_org_third_party_WebKit,代码行数:12,代码来源:SkiaFontWin.cpp

示例4: ENABLE

SimpleFontData::SimpleFontData(const FontPlatformData& f, bool customFont, bool loading, SVGFontData* svgFontData)
    : m_unitsPerEm(defaultUnitsPerEm)
    , m_font(f)
    , m_treatAsFixedPitch(false)
#if ENABLE(SVG_FONTS)
    , m_svgFontData(svgFontData)
#endif
    , m_isCustomFont(customFont)
    , m_isLoading(loading)
    , m_smallCapsFontData(0)
{
#if ENABLE(SVG_FONTS)
    if (SVGFontFaceElement* svgFontFaceElement = svgFontData ? svgFontData->svgFontFaceElement() : 0) {
       m_unitsPerEm = svgFontFaceElement->unitsPerEm();

       double scale = f.size();
       if (m_unitsPerEm)
           scale /= m_unitsPerEm;

        m_ascent = static_cast<int>(svgFontFaceElement->ascent() * scale);
        m_descent = static_cast<int>(svgFontFaceElement->descent() * scale);
        m_xHeight = static_cast<int>(svgFontFaceElement->xHeight() * scale);
        m_lineGap = 0.1f * f.size();
        m_lineSpacing = m_ascent + m_descent + m_lineGap;
    
        m_spaceGlyph = 0;
        m_spaceWidth = 0;
        m_adjustedSpaceWidth = 0;
        determinePitch();
        m_missingGlyphData.fontData = this;
        m_missingGlyphData.glyph = 0;
        return;
    }
#endif

    platformInit();
    platformGlyphInit();
}
开发者ID:jackiekaon,项目名称:owb-mirror,代码行数:38,代码来源:SimpleFontData.cpp

示例5: ENABLE

SimpleFontData::SimpleFontData(const FontPlatformData& f, bool customFont, bool loading, SVGFontData* svgFontData)
    : m_font(f)
    , m_treatAsFixedPitch(false)
#if ENABLE(SVG_FONTS)
    , m_svgFontData(svgFontData)
#endif
    , m_isCustomFont(customFont)
    , m_isLoading(loading)
    , m_smallCapsFontData(0)
{

#if ENABLE(SVG_FONTS) && !PLATFORM(QT)
    if (SVGFontFaceElement* svgFontFaceElement = svgFontData ? svgFontData->svgFontFaceElement() : 0) {
       m_unitsPerEm = svgFontFaceElement->unitsPerEm();

       double scale = f.size();
       if (m_unitsPerEm)
           scale /= m_unitsPerEm;

        m_ascent = static_cast<int>(svgFontFaceElement->ascent() * scale);
        m_descent = static_cast<int>(svgFontFaceElement->descent() * scale);
        m_xHeight = static_cast<int>(svgFontFaceElement->xHeight() * scale);
        m_lineGap = 0.1f * f.size();
        m_lineSpacing = m_ascent + m_descent + m_lineGap;
    
        m_spaceGlyph = 0;
        m_spaceWidth = 0;
        m_adjustedSpaceWidth = 0;
        determinePitch();
        m_missingGlyphData.fontData = this;
        m_missingGlyphData.glyph = 0;
        return;
    }
#endif

    platformInit();

    GlyphPage* glyphPageZero = GlyphPageTreeNode::getRootChild(this, 0)->page();
    if (!glyphPageZero) {
        LOG_ERROR("Failed to get glyph page zero.");
        m_spaceGlyph = 0;
        m_spaceWidth = 0;
        m_adjustedSpaceWidth = 0;
        determinePitch();
        m_missingGlyphData.fontData = this;
        m_missingGlyphData.glyph = 0;
        return;
    }

    // Nasty hack to determine if we should round or ceil space widths.
    // If the font is monospace or fake monospace we ceil to ensure that 
    // every character and the space are the same width.  Otherwise we round.
    m_spaceGlyph = glyphPageZero->glyphDataForCharacter(' ').glyph;
    float width = widthForGlyph(m_spaceGlyph);
    m_spaceWidth = width;
    determinePitch();
    m_adjustedSpaceWidth = m_treatAsFixedPitch ? ceilf(width) : roundf(width);

    // Force the glyph for ZERO WIDTH SPACE to have zero width, unless it is shared with SPACE.
    // Helvetica is an example of a non-zero width ZERO WIDTH SPACE glyph.
    // See <http://bugs.webkit.org/show_bug.cgi?id=13178>
    // Ask for the glyph for 0 to avoid paging in ZERO WIDTH SPACE. Control characters, including 0,
    // are mapped to the ZERO WIDTH SPACE glyph.
    Glyph zeroWidthSpaceGlyph = glyphPageZero->glyphDataForCharacter(0).glyph;
    if (zeroWidthSpaceGlyph) {
        if (zeroWidthSpaceGlyph != m_spaceGlyph)
            m_glyphToWidthMap.setWidthForGlyph(zeroWidthSpaceGlyph, 0);
        else
            LOG_ERROR("Font maps SPACE and ZERO WIDTH SPACE to the same glyph. Glyph width not overridden.");
    }

    m_missingGlyphData.fontData = this;
    m_missingGlyphData.glyph = 0;
}
开发者ID:Chingliu,项目名称:EAWebkit,代码行数:74,代码来源:BCSimpleFontDataWK.cpp


注:本文中的FontPlatformData::size方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。