C++ (Cpp) SVGMaskElement::maskUnits示例

FloatRect LayoutSVGResourceMasker::resourceBoundingBox(
    const LayoutObject* object) {
    SVGMaskElement* maskElement = toSVGMaskElement(element());
    ASSERT(maskElement);

    FloatRect objectBoundingBox = object->objectBoundingBox();
    FloatRect maskBoundaries = SVGLengthContext::resolveRectangle<SVGMaskElement>(
                                   maskElement, maskElement->maskUnits()->currentValue()->enumValue(),
                                   objectBoundingBox);

    // Resource was not layouted yet. Give back clipping rect of the mask.
    if (selfNeedsLayout())
        return maskBoundaries;

    if (m_maskContentBoundaries.isEmpty())
        calculateMaskContentVisualRect();

    FloatRect maskRect = m_maskContentBoundaries;
    if (maskElement->maskContentUnits()->currentValue()->value() ==
            SVGUnitTypes::kSvgUnitTypeObjectboundingbox) {
        AffineTransform transform;
        transform.translate(objectBoundingBox.x(), objectBoundingBox.y());
        transform.scaleNonUniform(objectBoundingBox.width(),
                                  objectBoundingBox.height());
        maskRect = transform.mapRect(maskRect);
    }

    maskRect.intersect(maskBoundaries);
    return maskRect;
}

示例#2

显示文件

文件： RenderSVGResourceMasker.cpp 项目： CannedFish/deepin-webkit

FloatRect RenderSVGResourceMasker::resourceBoundingBox(RenderObject* object)
{
    SVGMaskElement* maskElement = static_cast<SVGMaskElement*>(node());
    ASSERT(maskElement);

    FloatRect objectBoundingBox = object->objectBoundingBox();
    FloatRect maskBoundaries = SVGLengthContext::resolveRectangle<SVGMaskElement>(maskElement, maskElement->maskUnits(), objectBoundingBox);

    // Resource was not layouted yet. Give back clipping rect of the mask.
    if (selfNeedsLayout())
        return maskBoundaries;

    if (m_maskContentBoundaries.isEmpty())
        calculateMaskContentRepaintRect();

    FloatRect maskRect = m_maskContentBoundaries;
    if (maskElement->maskContentUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX) {
        AffineTransform transform;
        transform.translate(objectBoundingBox.x(), objectBoundingBox.y());
        transform.scaleNonUniform(objectBoundingBox.width(), objectBoundingBox.height());
        maskRect = transform.mapRect(maskRect);
    }

    maskRect.intersect(maskBoundaries);
    return maskRect;
}