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C++ SVGLength::value方法代码示例

本文整理汇总了C++中SVGLength::value方法的典型用法代码示例。如果您正苦于以下问题：C++ SVGLength::value方法的具体用法？C++ SVGLength::value怎么用？C++ SVGLength::value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类SVGLength的用法示例。


在下文中一共展示了SVGLength::value方法的13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: size

IntSize SVGImage::size() const
{
    IntSize defaultSize(300, 150);
    // FIXME: Eventually we'll be passed in the dest size and can scale against that
    IntSize destSize = defaultSize;
    
    if (!m_frame || !m_frame->document())
        return IntSize();
    
    SVGSVGElement* rootElement = static_cast<SVGDocument*>(m_frame->document())->rootElement();
    if (!rootElement)
        return defaultSize;
    
    SVGLength width = rootElement->width();
    SVGLength height = rootElement->height();
    
    IntSize svgSize;
    if (width.unitType() == LengthTypePercentage)
        svgSize.setWidth(static_cast<int>(width.valueInSpecifiedUnits() * destSize.width()));
    else
        svgSize.setWidth(static_cast<int>(width.value()));
    if (height.unitType() == LengthTypePercentage)
        svgSize.setHeight(static_cast<int>(height.valueInSpecifiedUnits() * destSize.height()));
    else
        svgSize.setHeight(static_cast<int>(height.value()));
    
    return svgSize;
}
开发者ID:PyroOS，项目名称:Pyro，代码行数:28，代码来源:SVGImage.cpp

示例2: size

IntSize SVGImage::size() const
{
    if (!m_page)
        return IntSize();
    Frame* frame = m_page->mainFrame();
    SVGSVGElement* rootElement = static_cast<SVGDocument*>(frame->document())->rootElement();
    if (!rootElement)
        return IntSize();
    
    SVGLength width = rootElement->width();
    SVGLength height = rootElement->height();
    
    IntSize svgSize;
    if (width.unitType() == LengthTypePercentage) 
        svgSize.setWidth(rootElement->relativeWidthValue());
    else
        svgSize.setWidth(static_cast<int>(width.value(rootElement)));

    if (height.unitType() == LengthTypePercentage) 
        svgSize.setHeight(rootElement->relativeHeightValue());
    else
        svgSize.setHeight(static_cast<int>(height.value(rootElement)));

    return svgSize;
}
开发者ID:，项目名称:，代码行数:25，代码来源:

示例3: resolvePoint

FloatPoint SVGLengthContext::resolvePoint(const SVGElement* context, SVGUnitTypes::SVGUnitType type, const SVGLength& x, const SVGLength& y)
{
    ASSERT(type != SVGUnitTypes::SVG_UNIT_TYPE_UNKNOWN);
    if (type == SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE) {
        SVGLengthContext lengthContext(context);
        return FloatPoint(x.value(lengthContext), y.value(lengthContext));
    }

    // FIXME: valueAsPercentage() won't be correct for eg. cm units. They need to be resolved in user space and then be considered in objectBoundingBox space.
    return FloatPoint(x.valueAsPercentage(), y.valueAsPercentage());
}
开发者ID:endlessm，项目名称:WebKit，代码行数:11，代码来源:SVGLengthContext.cpp

示例4: resolveRectangle

FloatRect SVGLengthContext::resolveRectangle(const SVGElement* context, SVGUnitTypes::SVGUnitType type, const FloatRect& viewport, const SVGLength& x, const SVGLength& y, const SVGLength& width, const SVGLength& height)
{
    ASSERT(type != SVGUnitTypes::SVG_UNIT_TYPE_UNKNOWN);
    if (type != SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE) {
        const FloatSize& viewportSize = viewport.size();
        return FloatRect(
            convertValueFromPercentageToUserUnits(x, viewportSize) + viewport.x(),
            convertValueFromPercentageToUserUnits(y, viewportSize) + viewport.y(),
            convertValueFromPercentageToUserUnits(width, viewportSize),
            convertValueFromPercentageToUserUnits(height, viewportSize));
    }

    SVGLengthContext lengthContext(context);
    return FloatRect(x.value(lengthContext), y.value(lengthContext), width.value(lengthContext), height.value(lengthContext));
}
开发者ID:astojilj，项目名称:chromium-crosswalk，代码行数:15，代码来源:SVGLengthContext.cpp

示例5: resolvePoint

FloatPoint SVGLengthContext::resolvePoint(const SVGElement* context,
                                          SVGUnitTypes::SVGUnitType type,
                                          const SVGLength& x,
                                          const SVGLength& y) {
  DCHECK_NE(SVGUnitTypes::kSvgUnitTypeUnknown, type);
  if (type == SVGUnitTypes::kSvgUnitTypeUserspaceonuse) {
    SVGLengthContext lengthContext(context);
    return FloatPoint(x.value(lengthContext), y.value(lengthContext));
  }

  // FIXME: valueAsPercentage() won't be correct for eg. cm units. They need to
  // be resolved in user space and then be considered in objectBoundingBox
  // space.
  return FloatPoint(x.valueAsPercentage(), y.valueAsPercentage());
}
开发者ID:ollie314，项目名称:chromium，代码行数:15，代码来源:SVGLengthContext.cpp

示例6: calculateCSSKerningAndSpacing

float SVGTextLayoutEngineSpacing::calculateCSSKerningAndSpacing(const SVGRenderStyle* style, SVGElement* contextElement, const UChar* currentCharacter)
{
    float kerning = 0;
    SVGLength kerningLength = style->kerning();
    if (kerningLength.unitType() == LengthTypePercentage)
        kerning = kerningLength.valueAsPercentage() * m_font.pixelSize();
    else {
        SVGLengthContext lengthContext(contextElement);
        kerning = kerningLength.value(lengthContext);
    }

    const UChar* lastCharacter = m_lastCharacter;
    m_lastCharacter = currentCharacter;

    if (!kerning && !m_font.letterSpacing() && !m_font.wordSpacing())
        return 0;

    float spacing = m_font.letterSpacing() + kerning;
    if (currentCharacter && lastCharacter && m_font.wordSpacing()) {
        if (Font::treatAsSpace(*currentCharacter) && !Font::treatAsSpace(*lastCharacter))
            spacing += m_font.wordSpacing();
    }

    return spacing;
}
开发者ID:3163504123，项目名称:phantomjs，代码行数:25，代码来源:SVGTextLayoutEngineSpacing.cpp

示例7: resolveRectangle

FloatRect SVGLengthContext::resolveRectangle(const SVGElement* context,
                                             SVGUnitTypes::SVGUnitType type,
                                             const FloatRect& viewport,
                                             const SVGLength& x,
                                             const SVGLength& y,
                                             const SVGLength& width,
                                             const SVGLength& height) {
  DCHECK_NE(SVGUnitTypes::kSvgUnitTypeUnknown, type);
  if (type != SVGUnitTypes::kSvgUnitTypeUserspaceonuse) {
    const FloatSize& viewportSize = viewport.size();
    return FloatRect(
        convertValueFromPercentageToUserUnits(x, viewportSize) + viewport.x(),
        convertValueFromPercentageToUserUnits(y, viewportSize) + viewport.y(),
        convertValueFromPercentageToUserUnits(width, viewportSize),
        convertValueFromPercentageToUserUnits(height, viewportSize));
  }

  SVGLengthContext lengthContext(context);
  return FloatRect(x.value(lengthContext), y.value(lengthContext),
                   width.value(lengthContext), height.value(lengthContext));
}
开发者ID:ollie314，项目名称:chromium，代码行数:21，代码来源:SVGLengthContext.cpp

示例8: resolveRectangle

FloatRect SVGLengthContext::resolveRectangle(const SVGElement* context, SVGUnitTypes::SVGUnitType type, const FloatRect& viewport, const SVGLength& x, const SVGLength& y, const SVGLength& width, const SVGLength& height)
{
    ASSERT(type != SVGUnitTypes::SVG_UNIT_TYPE_UNKNOWN);
    if (type == SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE) {
        SVGLengthContext lengthContext(context);
        return FloatRect(x.value(lengthContext), y.value(lengthContext), width.value(lengthContext), height.value(lengthContext));
    }

    SVGLengthContext lengthContext(context, viewport);
    return FloatRect(x.value(lengthContext) + viewport.x(),
                     y.value(lengthContext) + viewport.y(),
                     width.value(lengthContext),
                     height.value(lengthContext));
}
开发者ID:endlessm，项目名称:WebKit，代码行数:14，代码来源:SVGLengthContext.cpp

示例9: extractFloatValuesFromSVGLengthList

static inline void extractFloatValuesFromSVGLengthList(SVGElement* lengthContext, SVGLengthList* list, Vector<float>& floatValues, unsigned textContentLength)
{
    ASSERT(lengthContext);
    ASSERT(list);

    unsigned length = list->numberOfItems();
    if (length > textContentLength)
        length = textContentLength;
    floatValues.reserveCapacity(length);

    ExceptionCode ec = 0;
    for (unsigned i = 0; i < length; ++i) {
        SVGLength length = list->getItem(i, ec);
        ASSERT(!ec);
        floatValues.append(length.value(lengthContext));
    }
}
开发者ID:，项目名称:，代码行数:17，代码来源:

示例10: calculateBaselineShift

float SVGTextLayoutEngineBaseline::calculateBaselineShift(const SVGRenderStyle* style, SVGElement* lengthContext) const
{
    if (style->baselineShift() == BS_LENGTH) {
        SVGLength baselineShiftValueLength = style->baselineShiftValue();
        if (baselineShiftValueLength.unitType() == LengthTypePercentage)
            return baselineShiftValueLength.valueAsPercentage() * m_font.pixelSize();

        return baselineShiftValueLength.value(lengthContext);
    }

    switch (style->baselineShift()) {
    case BS_BASELINE:
        return 0;
    case BS_SUB:
        return -m_font.height() / 2;
    case BS_SUPER:
        return m_font.height() / 2;
    default:
        ASSERT_NOT_REACHED();
        return 0;
    }
}
开发者ID:dslab-epfl，项目名称:warr，代码行数:22，代码来源:SVGTextLayoutEngineBaseline.cpp

示例11: calculateBaselineShift

// Helper function
static float calculateBaselineShift(RenderObject* item)
{
    ASSERT(item);
    ASSERT(item->style());
    ASSERT(item->node());
    ASSERT(item->node()->isSVGElement());

    const Font& font = item->style()->font();
    const SVGRenderStyle* svgStyle = item->style()->svgStyle();

    float baselineShift = 0.0f;
    if (svgStyle->baselineShift() == BS_LENGTH) {
        SVGLength baselineShiftValueLength = svgStyle->baselineShiftValue();
        if (baselineShiftValueLength.unitType() == LengthTypePercentage)
            baselineShift = baselineShiftValueLength.valueAsPercentage() * font.pixelSize();
        else 
            baselineShift = baselineShiftValueLength.value(static_cast<SVGElement*>(item->node()));
    } else {
        float baselineAscent = font.ascent() + font.descent();

        switch (svgStyle->baselineShift()) {
        case BS_BASELINE:
            break;
        case BS_SUB:
            baselineShift = -baselineAscent / 2.0f;
            break;
        case BS_SUPER:
            baselineShift = baselineAscent / 2.0f;
            break;
        default:
            ASSERT_NOT_REACHED();
        }
    }

    return baselineShift;
}
开发者ID:azrul2202，项目名称:WebKit-Smartphone，代码行数:37，代码来源:SVGCharacterLayoutInfo.cpp

示例12: calcViewport

void RenderSVGRoot::calcViewport()
{
    SVGSVGElement* svg = static_cast<SVGSVGElement*>(node());

    if (!selfNeedsLayout() && !svg->hasRelativeValues())
        return;

    if (!svg->hasSetContainerSize()) {
        // In the normal case of <svg> being stand-alone or in a CSSBoxModel object we use
        // RenderBox::width()/height() (which pulls data from RenderStyle)
        m_viewportSize = FloatSize(width(), height());
    } else {
        // In the SVGImage case grab the SVGLength values off of SVGSVGElement and use
        // the special relativeWidthValue accessors which respect the specified containerSize
        SVGLength width = svg->width();
        SVGLength height = svg->height();
        float viewportWidth = (width.unitType() == LengthTypePercentage) ? svg->relativeWidthValue() : width.value(svg);
        float viewportHeight = (height.unitType() == LengthTypePercentage) ? svg->relativeHeightValue() : height.value(svg);
        m_viewportSize = FloatSize(viewportWidth, viewportHeight);
    }
}
开发者ID:flwh，项目名称:Alcatel_OT_985_kernel，代码行数:21，代码来源:RenderSVGRoot.cpp

示例13: calcViewport

void RenderSVGRoot::calcViewport()
{
    SVGSVGElement* svg = static_cast<SVGSVGElement*>(node());

    if (!svg->hasSetContainerSize()) {
        // In the normal case of <svg> being stand-alone or in a CSSBoxModel object we use
        // RenderBox::width()/height() (which pulls data from RenderStyle)
        m_viewportSize = FloatSize(width(), height());
        return;
    }

    // In the SVGImage case grab the SVGLength values off of SVGSVGElement and use
    // the special relativeWidthValue accessors which respect the specified containerSize
    // FIXME: Check how SVGImage + zooming is supposed to be handled?
    SVGLength width = svg->width();
    SVGLength height = svg->height();
    m_viewportSize = FloatSize(width.unitType() == LengthTypePercentage ? svg->relativeWidthValue() : width.value(svg),
                               height.unitType() == LengthTypePercentage ? svg->relativeHeightValue() : height.value(svg));
}
开发者ID:，项目名称:，代码行数:19，代码来源:


注：本文中的SVGLength::value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。