Exemplo n.º 1
0
void InlineFlowBoxPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset, const LayoutUnit lineTop, const LayoutUnit lineBottom)
{
    ASSERT(!shouldPaintSelfOutline(paintInfo.phase) && !shouldPaintDescendantOutlines(paintInfo.phase));

    LayoutRect overflowRect(m_inlineFlowBox.visualOverflowRect(lineTop, lineBottom));
    m_inlineFlowBox.flipForWritingMode(overflowRect);
    overflowRect.moveBy(paintOffset);

    if (!paintInfo.cullRect().intersectsCullRect(overflowRect))
        return;

    if (paintInfo.phase == PaintPhaseMask) {
        if (DrawingRecorder::useCachedDrawingIfPossible(paintInfo.context, m_inlineFlowBox, DisplayItem::paintPhaseToDrawingType(paintInfo.phase)))
            return;
        DrawingRecorder recorder(paintInfo.context, m_inlineFlowBox, DisplayItem::paintPhaseToDrawingType(paintInfo.phase), pixelSnappedIntRect(overflowRect));
        paintMask(paintInfo, paintOffset);
        return;
    }

    if (paintInfo.phase == PaintPhaseForeground) {
        // Paint our background, border and box-shadow.
        paintBoxDecorationBackground(paintInfo, paintOffset, overflowRect);
    }

    // Paint our children.
    PaintInfo childInfo(paintInfo);
    for (InlineBox* curr = m_inlineFlowBox.firstChild(); curr; curr = curr->nextOnLine()) {
        if (curr->lineLayoutItem().isText() || !curr->boxModelObject().hasSelfPaintingLayer())
            curr->paint(childInfo, paintOffset, lineTop, lineBottom);
    }
}
Exemplo n.º 2
0
static void invalidateLineBoxPaintOffsetsInternal(PaintController& paintController, InlineFlowBox* inlineBox)
{
    paintController.invalidatePaintOffset(*inlineBox);
    for (InlineBox* child = inlineBox->firstChild(); child; child = child->nextOnLine()) {
        if (!child->lineLayoutItem().isText() && child->boxModelObject().hasSelfPaintingLayer())
            continue;
        if (child->isInlineFlowBox())
            invalidateLineBoxPaintOffsetsInternal(paintController, toInlineFlowBox(child));
        else
            paintController.invalidatePaintOffset(*child);
    }
}
void InlineFlowBoxPainter::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset, const LayoutUnit lineTop, const LayoutUnit lineBottom)
{
    LayoutRect overflowRect(m_inlineFlowBox.visualOverflowRect(lineTop, lineBottom));
    m_inlineFlowBox.flipForWritingMode(overflowRect);
    overflowRect.moveBy(paintOffset);

    if (!paintInfo.rect.intersects(pixelSnappedIntRect(overflowRect)))
        return;

    if (paintInfo.phase == PaintPhaseOutline || paintInfo.phase == PaintPhaseSelfOutline) {
        // Add ourselves to the paint info struct's list of inlines that need to paint their
        // outlines.
        if (m_inlineFlowBox.layoutObject().style()->visibility() == VISIBLE && m_inlineFlowBox.layoutObject().style()->hasOutline() && !m_inlineFlowBox.isRootInlineBox()) {
            LayoutInline& inlineFlow = toLayoutInline(m_inlineFlowBox.layoutObject());

            LayoutBlock* cb = 0;
            bool containingBlockPaintsContinuationOutline = inlineFlow.continuation() || inlineFlow.isInlineElementContinuation();
            if (containingBlockPaintsContinuationOutline) {
                // FIXME: See https://bugs.webkit.org/show_bug.cgi?id=54690. We currently don't reconnect inline continuations
                // after a child removal. As a result, those merged inlines do not get seperated and hence not get enclosed by
                // anonymous blocks. In this case, it is better to bail out and paint it ourself.
                LayoutBlock* enclosingAnonymousBlock = m_inlineFlowBox.layoutObject().containingBlock();
                if (!enclosingAnonymousBlock->isAnonymousBlock()) {
                    containingBlockPaintsContinuationOutline = false;
                } else {
                    cb = enclosingAnonymousBlock->containingBlock();
                    for (LayoutBoxModelObject* box = m_inlineFlowBox.boxModelObject(); box != cb; box = box->parent()->enclosingBoxModelObject()) {
                        if (box->hasSelfPaintingLayer()) {
                            containingBlockPaintsContinuationOutline = false;
                            break;
                        }
                    }
                }
            }

            if (containingBlockPaintsContinuationOutline) {
                // Add ourselves to the containing block of the entire continuation so that it can
                // paint us atomically.
                cb->addContinuationWithOutline(toLayoutInline(m_inlineFlowBox.layoutObject().node()->layoutObject()));
            } else if (!inlineFlow.isInlineElementContinuation()) {
                paintInfo.outlineObjects()->add(&inlineFlow);
            }
        }
    } else if (paintInfo.phase == PaintPhaseMask) {
        DrawingRecorder recorder(*paintInfo.context, m_inlineFlowBox, DisplayItem::paintPhaseToDrawingType(paintInfo.phase), pixelSnappedIntRect(overflowRect));
        if (!recorder.canUseCachedDrawing())
            paintMask(paintInfo, paintOffset);
        return;
    } else if (paintInfo.phase == PaintPhaseForeground) {
        // Paint our background, border and box-shadow.
        paintBoxDecorationBackground(paintInfo, paintOffset);
    }

    // Paint our children.
    if (paintInfo.phase != PaintPhaseSelfOutline) {
        PaintInfo childInfo(paintInfo);
        childInfo.phase = paintInfo.phase == PaintPhaseChildOutlines ? PaintPhaseOutline : paintInfo.phase;

        if (childInfo.paintingRoot && childInfo.paintingRoot->isDescendantOf(&m_inlineFlowBox.layoutObject()))
            childInfo.paintingRoot = 0;
        else
            childInfo.updatePaintingRootForChildren(&m_inlineFlowBox.layoutObject());

        for (InlineBox* curr = m_inlineFlowBox.firstChild(); curr; curr = curr->nextOnLine()) {
            if (curr->layoutObject().isText() || !curr->boxModelObject()->hasSelfPaintingLayer())
                curr->paint(childInfo, paintOffset, lineTop, lineBottom);
        }
    }
}