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C++ TextRun::allowsLeadingExpansion方法代码示例

本文整理汇总了C++中TextRun::allowsLeadingExpansion方法的典型用法代码示例。如果您正苦于以下问题:C++ TextRun::allowsLeadingExpansion方法的具体用法?C++ TextRun::allowsLeadingExpansion怎么用?C++ TextRun::allowsLeadingExpansion使用的例子?那么恭喜您, 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TextRun的用法示例。


在下文中一共展示了TextRun::allowsLeadingExpansion方法的3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:

WidthIterator::WidthIterator(const Font* font, const TextRun& run, HashSet<const SimpleFontData*>* fallbackFonts, bool accountForGlyphBounds, bool forTextEmphasis)
    : m_font(font)
    , m_run(run)
    , m_currentCharacter(0)
    , m_runWidthSoFar(0)
    , m_isAfterExpansion(!run.allowsLeadingExpansion())
    , m_finalRoundingWidth(0)
    , m_typesettingFeatures(font->typesettingFeatures())
    , m_fallbackFonts(fallbackFonts)
    , m_accountForGlyphBounds(accountForGlyphBounds)
    , m_maxGlyphBoundingBoxY(numeric_limits<float>::min())
    , m_minGlyphBoundingBoxY(numeric_limits<float>::max())
    , m_firstGlyphOverflow(0)
    , m_lastGlyphOverflow(0)
    , m_forTextEmphasis(forTextEmphasis)
{
    // If the padding is non-zero, count the number of spaces in the run
    // and divide that by the padding for per space addition.
    m_expansion = m_run.expansion();
    if (!m_expansion)
        m_expansionPerOpportunity = 0;
    else {
        bool isAfterExpansion = m_isAfterExpansion;
        unsigned expansionOpportunityCount = m_run.is8Bit() ? Font::expansionOpportunityCount(m_run.characters8(), m_run.length(), m_run.ltr() ? LTR : RTL, isAfterExpansion) : Font::expansionOpportunityCount(m_run.characters16(), m_run.length(), m_run.ltr() ? LTR : RTL, isAfterExpansion);
        if (isAfterExpansion && !m_run.allowsTrailingExpansion())
            expansionOpportunityCount--;

        if (!expansionOpportunityCount)
            m_expansionPerOpportunity = 0;
        else
            m_expansionPerOpportunity = m_expansion / expansionOpportunityCount;
    }
}
开发者ID:dog-god,项目名称:iptv,代码行数:33,代码来源:WidthIterator.cpp

示例2:

SimpleShaper::SimpleShaper(const Font* font, const TextRun& run,
    HashSet<const SimpleFontData*>* fallbackFonts, GlyphBounds* bounds,
    bool forTextEmphasis)
    : m_font(font)
    , m_run(run)
    , m_currentCharacter(0)
    , m_runWidthSoFar(0)
    , m_isAfterExpansion(!run.allowsLeadingExpansion())
    , m_fallbackFonts(fallbackFonts)
    , m_bounds(bounds)
    , m_forTextEmphasis(forTextEmphasis)
{
    // If the padding is non-zero, count the number of spaces in the run
    // and divide that by the padding for per space addition.
    m_expansion = m_run.expansion();
    if (!m_expansion) {
        m_expansionPerOpportunity = 0;
    } else {
        bool isAfterExpansion = m_isAfterExpansion;
        unsigned expansionOpportunityCount = m_run.is8Bit() ? Character::expansionOpportunityCount(m_run.characters8(), m_run.length(), m_run.direction(), isAfterExpansion) : Character::expansionOpportunityCount(m_run.characters16(), m_run.length(), m_run.direction(), isAfterExpansion);
        if (isAfterExpansion && !m_run.allowsTrailingExpansion())
            expansionOpportunityCount--;

        if (!expansionOpportunityCount)
            m_expansionPerOpportunity = 0;
        else
            m_expansionPerOpportunity = m_expansion / expansionOpportunityCount;
    }
}
开发者ID:335969568,项目名称:Blink-1,代码行数:29,代码来源:SimpleShaper.cpp

示例3: ASSERT

ShapeResultSpacing::ShapeResultSpacing(const TextRun& run,
    const FontDescription& fontDescription)
    : m_textRun(run)
    , m_letterSpacing(fontDescription.letterSpacing())
    , m_wordSpacing(fontDescription.wordSpacing())
    , m_expansion(run.expansion())
    , m_expansionPerOpportunity(0)
    , m_expansionOpportunityCount(0)
    , m_textJustify(TextJustify::TextJustifyAuto)
    , m_hasSpacing(false)
    , m_normalizeSpace(run.normalizeSpace())
    , m_allowTabs(run.allowTabs())
    , m_isAfterExpansion(false)
    , m_isVerticalOffset(fontDescription.isVerticalAnyUpright())
{
    if (m_textRun.spacingDisabled())
        return;

    if (!m_letterSpacing && !m_wordSpacing && !m_expansion)
        return;

    m_hasSpacing = true;

    if (!m_expansion)
        return;

    // Setup for justifications (expansions.)
    m_textJustify = run.getTextJustify();
    m_isAfterExpansion = !run.allowsLeadingExpansion();

    bool isAfterExpansion = m_isAfterExpansion;
    m_expansionOpportunityCount = Character::expansionOpportunityCount(run,
        isAfterExpansion);
    if (isAfterExpansion && !run.allowsTrailingExpansion()) {
        ASSERT(m_expansionOpportunityCount > 0);
        --m_expansionOpportunityCount;
    }

    if (m_expansionOpportunityCount)
        m_expansionPerOpportunity = m_expansion / m_expansionOpportunityCount;
}
开发者ID:endlessm,项目名称:chromium-browser,代码行数:41,代码来源:ShapeResultSpacing.cpp


注:本文中的TextRun::allowsLeadingExpansion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。