本文整理汇总了C++中SVGSVGElement::currentViewBoxRect方法的典型用法代码示例。如果您正苦于以下问题：C++ SVGSVGElement::currentViewBoxRect方法的具体用法？C++ SVGSVGElement::currentViewBoxRect怎么用？C++ SVGSVGElement::currentViewBoxRect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SVGSVGElement的用法示例。
在下文中一共展示了SVGSVGElement::currentViewBoxRect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: containerSize
IntSize SVGImage::containerSize() const
{
SVGSVGElement* rootElement = this->rootElement();
if (!rootElement)
return IntSize();
auto* renderer = downcast<RenderSVGRoot>(rootElement->renderer());
if (!renderer)
return IntSize();
// If a container size is available it has precedence.
IntSize containerSize = renderer->containerSize();
if (!containerSize.isEmpty())
return containerSize;
// Assure that a container size is always given for a non-identity zoom level.
ASSERT(renderer->style().effectiveZoom() == 1);
FloatSize currentSize;
if (rootElement->hasIntrinsicWidth() && rootElement->hasIntrinsicHeight())
currentSize = rootElement->currentViewportSize();
else
currentSize = rootElement->currentViewBoxRect().size();
if (!currentSize.isEmpty())
return IntSize(static_cast<int>(ceilf(currentSize.width())), static_cast<int>(ceilf(currentSize.height())));
// As last resort, use CSS default intrinsic size.
return IntSize(300, 150);
}示例2: containerSize
IntSize SVGImage::containerSize() const
{
if (!m_page)
return IntSize();
Frame* frame = m_page->mainFrame();
SVGSVGElement* rootElement = toSVGDocument(frame->document())->rootElement();
if (!rootElement)
return IntSize();
RenderSVGRoot* renderer = toRenderSVGRoot(rootElement->renderer());
if (!renderer)
return IntSize();
// If a container size is available it has precedence.
IntSize containerSize = renderer->containerSize();
if (!containerSize.isEmpty())
return containerSize;
// Assure that a container size is always given for a non-identity zoom level.
ASSERT(renderer->style()->effectiveZoom() == 1);
FloatSize currentSize;
if (rootElement->intrinsicWidth().isFixed() && rootElement->intrinsicHeight().isFixed())
currentSize = rootElement->currentViewportSize();
else
currentSize = rootElement->currentViewBoxRect().size();
if (!currentSize.isEmpty())
return IntSize(static_cast<int>(ceilf(currentSize.width())), static_cast<int>(ceilf(currentSize.height())));
// As last resort, use CSS default intrinsic size.
return IntSize(300, 150);
}示例3: containerSize
IntSize SVGImage::containerSize() const
{
SVGSVGElement* rootElement = svgRootElement(m_page.get());
if (!rootElement)
return IntSize();
LayoutSVGRoot* layoutObject = toLayoutSVGRoot(rootElement->layoutObject());
if (!layoutObject)
return IntSize();
// If a container size is available it has precedence.
IntSize containerSize = layoutObject->containerSize();
if (!containerSize.isEmpty())
return containerSize;
// Assure that a container size is always given for a non-identity zoom level.
ASSERT(layoutObject->style()->effectiveZoom() == 1);
FloatSize intrinsicSize;
double intrinsicRatio = 0;
layoutObject->computeIntrinsicRatioInformation(intrinsicSize, intrinsicRatio);
if (intrinsicSize.isEmpty() && intrinsicRatio) {
if (!intrinsicSize.width() && intrinsicSize.height())
intrinsicSize.setWidth(intrinsicSize.height() * intrinsicRatio);
else if (intrinsicSize.width() && !intrinsicSize.height())
intrinsicSize.setHeight(intrinsicSize.width() / intrinsicRatio);
}
// TODO(davve): In order to maintain aspect ratio the intrinsic
// size is faked from the viewBox as a last resort. This may cause
// unwanted side effects. Preferably we should be able to signal
// the intrinsic ratio in another way.
if (intrinsicSize.isEmpty())
intrinsicSize = rootElement->currentViewBoxRect().size();
if (!intrinsicSize.isEmpty())
return expandedIntSize(intrinsicSize);
// As last resort, use CSS replaced element fallback size.
return IntSize(300, 150);
}