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C++ SVGImageElement::preserveAspectRatio方法代码示例

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


在下文中一共展示了SVGImageElement::preserveAspectRatio方法的8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: paint

void RenderSVGImage::paint(PaintInfo& paintInfo, int, int)
{
    if (paintInfo.context->paintingDisabled() || style()->visibility() == HIDDEN)
        return;

    paintInfo.context->save();
    paintInfo.context->concatCTM(localToParentTransform());

    if (paintInfo.phase == PaintPhaseForeground) {
        SVGResourceFilter* filter = 0;

        PaintInfo savedInfo(paintInfo);

        if (prepareToRenderSVGContent(this, paintInfo, m_localBounds, filter)) {
            FloatRect destRect = m_localBounds;
            FloatRect srcRect(0, 0, image()->width(), image()->height());

            SVGImageElement* imageElt = static_cast<SVGImageElement*>(node());
            if (imageElt->preserveAspectRatio().align() != SVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_NONE)
                imageElt->preserveAspectRatio().transformRect(destRect, srcRect);

            paintInfo.context->drawImage(image(), DeviceColorSpace, destRect, srcRect);
        }
        finishRenderSVGContent(this, paintInfo, filter, savedInfo.context);
    }

    if ((paintInfo.phase == PaintPhaseOutline || paintInfo.phase == PaintPhaseSelfOutline) && style()->outlineWidth())
        paintOutline(paintInfo.context, 0, 0, width(), height(), style());

    paintInfo.context->restore();
}
开发者ID:325116067，项目名称:semc-qsd8x50，代码行数:31，代码来源:RenderSVGImage.cpp

示例2: paint

void RenderSVGImage::paint(PaintInfo& paintInfo, int, int)
{
    if (paintInfo.context->paintingDisabled() || style()->visibility() == HIDDEN)
        return;

    paintInfo.context->save();
    paintInfo.context->concatCTM(localTransform());

    if (paintInfo.phase == PaintPhaseForeground) {
        SVGResourceFilter* filter = 0;

        PaintInfo savedInfo(paintInfo);

        prepareToRenderSVGContent(this, paintInfo, m_localBounds, filter);

        FloatRect destRect = m_localBounds;
        FloatRect srcRect(0, 0, image()->width(), image()->height());

        SVGImageElement* imageElt = static_cast<SVGImageElement*>(node());
        if (imageElt->preserveAspectRatio()->align() != SVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_NONE)
            adjustRectsForAspectRatio(destRect, srcRect, imageElt->preserveAspectRatio());

        paintInfo.context->drawImage(image(), destRect, srcRect);

        finishRenderSVGContent(this, paintInfo, m_localBounds, filter, savedInfo.context);
    }
    
    paintInfo.context->restore();
}
开发者ID:jackiekaon，项目名称:owb-mirror，代码行数:29，代码来源:RenderSVGImage.cpp

示例3: updateImageViewport

bool RenderSVGImage::updateImageViewport()
{
    SVGImageElement* image = toSVGImageElement(element());
    FloatRect oldBoundaries = m_objectBoundingBox;
    bool updatedViewport = false;

    SVGLengthContext lengthContext(image);
    m_objectBoundingBox = FloatRect(image->x()->currentValue()->value(lengthContext), image->y()->currentValue()->value(lengthContext), image->width()->currentValue()->value(lengthContext), image->height()->currentValue()->value(lengthContext));

    bool boundsChanged = oldBoundaries != m_objectBoundingBox;

    // Images with preserveAspectRatio=none should force non-uniform scaling. This can be achieved
    // by setting the image's container size to its intrinsic size.
    // See: http://www.w3.org/TR/SVG/single-page.html, 7.8 The ‘preserveAspectRatio’ attribute.
    IntSize newViewportSize;
    if (image->preserveAspectRatio()->currentValue()->align() == SVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_NONE) {
        LayoutSize intrinsicSize = m_imageResource->intrinsicSize(style()->effectiveZoom());
        if (intrinsicSize != m_imageResource->imageSize(style()->effectiveZoom())) {
            newViewportSize = roundedIntSize(intrinsicSize);
            updatedViewport = true;
        }
    } else if (boundsChanged) {
        newViewportSize = enclosingIntRect(m_objectBoundingBox).size();
        updatedViewport = true;
    }
    if (updatedViewport)
        m_imageResource->setContainerSizeForRenderer(newViewportSize);
    m_needsBoundariesUpdate |= boundsChanged;
    return updatedViewport;
}
开发者ID:darktears，项目名称:blink-crosswalk，代码行数:30，代码来源:RenderSVGImage.cpp

示例4: paintForeground

void RenderSVGImage::paintForeground(PaintInfo& paintInfo)
{
                RefPtr<Image> image = m_imageResource->image();
                FloatRect destRect = m_objectBoundingBox;
                FloatRect srcRect(0, 0, image->width(), image->height());

                SVGImageElement* imageElement = static_cast<SVGImageElement*>(node());
                imageElement->preserveAspectRatio().transformRect(destRect, srcRect);

    paintInfo.context->drawImage(image.get(), ColorSpaceDeviceRGB, destRect, srcRect);
        }
开发者ID:166MMX，项目名称:openjdk.java.net-openjfx-8u40-rt，代码行数:11，代码来源:RenderSVGImage.cpp

示例5: paint

void RenderSVGImage::paint(PaintInfo& paintInfo, int, int)
{
    if (paintInfo.context->paintingDisabled() || style()->visibility() == HIDDEN || !m_imageResource->hasImage())
        return;

    FloatRect boundingBox = repaintRectInLocalCoordinates();
    if (!SVGRenderSupport::paintInfoIntersectsRepaintRect(boundingBox, m_localTransform, paintInfo))
        return;

    PaintInfo childPaintInfo(paintInfo);
    bool drawsOutline = style()->outlineWidth() && (childPaintInfo.phase == PaintPhaseOutline || childPaintInfo.phase == PaintPhaseSelfOutline);
    if (drawsOutline || childPaintInfo.phase == PaintPhaseForeground) {
        childPaintInfo.context->save();
        childPaintInfo.applyTransform(m_localTransform);

        if (childPaintInfo.phase == PaintPhaseForeground) {
            PaintInfo savedInfo(childPaintInfo);

            if (SVGRenderSupport::prepareToRenderSVGContent(this, childPaintInfo)) {
                Image* image = m_imageResource->image();
                FloatRect destRect = m_localBounds;
                FloatRect srcRect(0, 0, image->width(), image->height());

                SVGImageElement* imageElement = static_cast<SVGImageElement*>(node());
                if (imageElement->preserveAspectRatio().align() != SVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_NONE)
                    imageElement->preserveAspectRatio().transformRect(destRect, srcRect);

                childPaintInfo.context->drawImage(image, DeviceColorSpace, destRect, srcRect);
            }

            SVGRenderSupport::finishRenderSVGContent(this, childPaintInfo, savedInfo.context);
        }

        if (drawsOutline)
            paintOutline(childPaintInfo.context, static_cast<int>(boundingBox.x()), static_cast<int>(boundingBox.y()),
                static_cast<int>(boundingBox.width()), static_cast<int>(boundingBox.height()));
        
        childPaintInfo.context->restore();
    }
}
开发者ID:azrul2202，项目名称:WebKit-Smartphone，代码行数:40，代码来源:RenderSVGImage.cpp

示例6: paintForeground

void SVGImagePainter::paintForeground(const PaintInfo& paintInfo)
{
    RefPtr<Image> image = m_layoutSVGImage.imageResource()->image();
    FloatRect destRect = m_layoutSVGImage.objectBoundingBox();
    FloatRect srcRect(0, 0, image->width(), image->height());

    SVGImageElement* imageElement = toSVGImageElement(m_layoutSVGImage.element());
    imageElement->preserveAspectRatio()->currentValue()->transformRect(destRect, srcRect);

    InterpolationQuality interpolationQuality = InterpolationDefault;
    interpolationQuality = ImageQualityController::imageQualityController()->chooseInterpolationQuality(paintInfo.context, &m_layoutSVGImage, image.get(), image.get(), LayoutSize(destRect.size()));

    InterpolationQuality previousInterpolationQuality = paintInfo.context->imageInterpolationQuality();
    paintInfo.context->setImageInterpolationQuality(interpolationQuality);
    paintInfo.context->drawImage(image.get(), destRect, srcRect, SkXfermode::kSrcOver_Mode);
    paintInfo.context->setImageInterpolationQuality(previousInterpolationQuality);
}
开发者ID:JulienIsorce，项目名称:ChromiumGStreamerBackend，代码行数:17，代码来源:SVGImagePainter.cpp

示例7: paintForeground

void SVGImagePainter::paintForeground(const PaintInfo& paintInfo)
{
    RefPtr<Image> image = m_renderSVGImage.imageResource()->image();
    FloatRect destRect = m_renderSVGImage.objectBoundingBox();
    FloatRect srcRect(0, 0, image->width(), image->height());

    SVGImageElement* imageElement = toSVGImageElement(m_renderSVGImage.element());
    imageElement->preserveAspectRatio()->currentValue()->transformRect(destRect, srcRect);

    InterpolationQuality interpolationQuality = InterpolationDefault;
    if (m_renderSVGImage.style()->svgStyle().bufferedRendering() != BR_STATIC)
        interpolationQuality = ImageQualityController::imageQualityController()->chooseInterpolationQuality(paintInfo.context, &m_renderSVGImage, image.get(), image.get(), LayoutSize(destRect.size()));

    InterpolationQuality previousInterpolationQuality = paintInfo.context->imageInterpolationQuality();
    paintInfo.context->setImageInterpolationQuality(interpolationQuality);
    paintInfo.context->drawImage(image.get(), destRect, srcRect, CompositeSourceOver);
    paintInfo.context->setImageInterpolationQuality(previousInterpolationQuality);
}
开发者ID:kjthegod，项目名称:WebKit，代码行数:18，代码来源:SVGImagePainter.cpp

示例8: paint

void RenderSVGImage::paint(PaintInfo& paintInfo, int parentX, int parentY)
{
    if (paintInfo.context->paintingDisabled() || (paintInfo.phase != PaintPhaseForeground) || style()->visibility() == HIDDEN)
        return;
    
    paintInfo.context->save();
    paintInfo.context->concatCTM(AffineTransform().translate(parentX, parentY));
    paintInfo.context->concatCTM(localTransform());
    paintInfo.context->concatCTM(translationForAttributes());

    FloatRect boundingBox = FloatRect(0, 0, width(), height());

    SVGElement* svgElement = static_cast<SVGElement*>(element());
    ASSERT(svgElement && svgElement->document() && svgElement->isStyled());

    SVGStyledElement* styledElement = static_cast<SVGStyledElement*>(svgElement);
    const SVGRenderStyle* svgStyle = style()->svgStyle();

    AtomicString filterId(SVGURIReference::getTarget(svgStyle->filter()));
    AtomicString clipperId(SVGURIReference::getTarget(svgStyle->clipPath()));
    AtomicString maskerId(SVGURIReference::getTarget(svgStyle->maskElement()));

#if ENABLE(SVG_EXPERIMENTAL_FEATURES)
    SVGResourceFilter* filter = getFilterById(document(), filterId);
#endif
    SVGResourceClipper* clipper = getClipperById(document(), clipperId);
    SVGResourceMasker* masker = getMaskerById(document(), maskerId);

#if ENABLE(SVG_EXPERIMENTAL_FEATURES)
    if (filter)
        filter->prepareFilter(paintInfo.context, boundingBox);
    else if (!filterId.isEmpty())
        svgElement->document()->accessSVGExtensions()->addPendingResource(filterId, styledElement);
#endif

    if (clipper) {
        clipper->addClient(styledElement);
        clipper->applyClip(paintInfo.context, boundingBox);
    } else if (!clipperId.isEmpty())
        svgElement->document()->accessSVGExtensions()->addPendingResource(clipperId, styledElement);

    if (masker) {
        masker->addClient(styledElement);
        masker->applyMask(paintInfo.context, boundingBox);
    } else if (!maskerId.isEmpty())
        svgElement->document()->accessSVGExtensions()->addPendingResource(maskerId, styledElement);

    float opacity = style()->opacity();
    if (opacity < 1.0f) {
        paintInfo.context->clip(enclosingIntRect(boundingBox));
        paintInfo.context->beginTransparencyLayer(opacity);
    }

    PaintInfo pi(paintInfo);
    pi.rect = absoluteTransform().inverse().mapRect(pi.rect);

    SVGImageElement* imageElt = static_cast<SVGImageElement*>(node());

    FloatRect destRect(m_x, m_y, contentWidth(), contentHeight());
    FloatRect srcRect(0, 0, image()->width(), image()->height());

    if (imageElt->preserveAspectRatio()->align() != SVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_NONE)
        adjustRectsForAspectRatio(destRect, srcRect, imageElt->preserveAspectRatio());

    paintInfo.context->drawImage(image(), destRect, srcRect);

#if ENABLE(SVG_EXPERIMENTAL_FEATURES)
    if (filter)
        filter->applyFilter(paintInfo.context, boundingBox);
#endif

    if (opacity < 1.0f)
        paintInfo.context->endTransparencyLayer();

    paintInfo.context->restore();
}
开发者ID:jackiekaon，项目名称:owb-mirror，代码行数:76，代码来源:RenderSVGImage.cpp


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