C++ (Cpp) shouldPaintAtLowQuality Examples

Example #1

File: RenderSnapshottedPlugIn.cpp Project: valbok/WebKitForWayland

void RenderSnapshottedPlugIn::paintSnapshot(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
    Image* image = m_snapshotResource->image().get();
    if (!image || image->isNull())
        return;

    LayoutUnit cWidth = contentWidth();
    LayoutUnit cHeight = contentHeight();
    if (!cWidth || !cHeight)
        return;

    GraphicsContext& context = paintInfo.context();

    LayoutSize contentSize(cWidth, cHeight);
    LayoutPoint contentLocation = location() + paintOffset;
    contentLocation.move(borderLeft() + paddingLeft(), borderTop() + paddingTop());

    LayoutRect rect(contentLocation, contentSize);
    IntRect alignedRect = snappedIntRect(rect);
    if (alignedRect.width() <= 0 || alignedRect.height() <= 0)
        return;

    bool useLowQualityScaling = shouldPaintAtLowQuality(context, *image, image, alignedRect.size());

    ImageOrientationDescription orientationDescription(shouldRespectImageOrientation());
#if ENABLE(CSS_IMAGE_ORIENTATION)
    orientationDescription.setImageOrientationEnum(style().imageOrientation());
#endif
    context.drawImage(*image, alignedRect, ImagePaintingOptions(orientationDescription, useLowQualityScaling));
}

Example #2

void RenderSnapshottedPlugIn::paintSnapshot(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
    Image* image = m_snapshotResource->image().get();
    if (!image || image->isNull())
        return;

    LayoutUnit cWidth = contentWidth();
    LayoutUnit cHeight = contentHeight();
    if (!cWidth || !cHeight)
        return;

    GraphicsContext* context = paintInfo.context;
#if PLATFORM(MAC)
    if (style()->highlight() != nullAtom && !context->paintingDisabled())
        paintCustomHighlight(toPoint(paintOffset - location()), style()->highlight(), true);
#endif

    LayoutSize contentSize(cWidth, cHeight);
    LayoutPoint contentLocation = location() + paintOffset;
    contentLocation.move(borderLeft() + paddingLeft(), borderTop() + paddingTop());

    LayoutRect rect(contentLocation, contentSize);
    IntRect alignedRect = pixelSnappedIntRect(rect);
    if (alignedRect.width() <= 0 || alignedRect.height() <= 0)
        return;

    bool useLowQualityScaling = shouldPaintAtLowQuality(context, image, image, alignedRect.size());

    ImageOrientationDescription orientationDescription;
#if ENABLE(CSS_IMAGE_ORIENTATION)
    orientationDescription.setImageOrientationEnum(style()->imageOrientation());
#endif
    context->drawImage(image, style()->colorSpace(), alignedRect, CompositeSourceOver, orientationDescription, useLowQualityScaling);
}

Example #3

File: ImageQualityController.cpp Project: shaoboyan/chromium-crosswalk

InterpolationQuality ImageQualityController::chooseInterpolationQuality(GraphicsContext* context, const LayoutObject* object, Image* image, const void* layer, const LayoutSize& layoutSize)
{
    if (object->style()->imageRendering() == ImageRenderingPixelated)
        return InterpolationNone;

    if (InterpolationDefault == InterpolationLow)
        return InterpolationLow;

    if (shouldPaintAtLowQuality(context, object, image, layer, layoutSize))
        return InterpolationLow;

    // For images that are potentially animated we paint them at medium quality.
    if (image && image->maybeAnimated())
        return InterpolationMedium;

    return InterpolationDefault;
}

Example #4

File: ImageQualityController.cpp Project: mirror/chromium

InterpolationQuality ImageQualityController::chooseInterpolationQuality(
    const LayoutObject& object,
    Image* image,
    const void* layer,
    const LayoutSize& layoutSize) {
    if (object.style()->imageRendering() == ImageRenderingPixelated)
        return InterpolationNone;

    if (InterpolationDefault == InterpolationLow)
        return InterpolationLow;

    if (shouldPaintAtLowQuality(
                object, image, layer, layoutSize,
                object.frameView()->page()->chromeClient().lastFrameTimeMonotonic()))
        return InterpolationLow;

    // For images that are potentially animated we paint them at medium quality.
    if (image && image->maybeAnimated())
        return InterpolationMedium;

    return InterpolationDefault;
}