Example #1
0
FloatQuad LayoutGeometryMap::mapToAncestor(const FloatRect& rect, const LayoutBoxModelObject* ancestor) const
{
    FloatQuad result;

    if (!hasFixedPositionStep() && !hasTransformStep() && !hasNonUniformStep() && (!ancestor || (m_mapping.size() && ancestor == m_mapping[0].m_layoutObject))) {
        result = rect;
        result.move(m_accumulatedOffset);
    } else {
        TransformState transformState(TransformState::ApplyTransformDirection, rect.center(), rect);
        mapToAncestor(transformState, ancestor);
        result = transformState.lastPlanarQuad();
    }

#if ENABLE(ASSERT)
    if (m_mapping.size() > 0) {
        const LayoutObject* lastLayoutObject = m_mapping.last().m_layoutObject;

        FloatRect layoutObjectMappedResult = lastLayoutObject->localToAncestorQuad(rect, ancestor, m_mapCoordinatesFlags).boundingBox();

        // Inspector creates layoutObjects with negative width <https://bugs.webkit.org/show_bug.cgi?id=87194>.
        // Taking FloatQuad bounds avoids spurious assertions because of that.
        ASSERT(enclosingIntRect(layoutObjectMappedResult) == enclosingIntRect(result.boundingBox())
            || layoutObjectMappedResult.mayNotHaveExactIntRectRepresentation()
            || result.boundingBox().mayNotHaveExactIntRectRepresentation());
    }
#endif

    return result;
}
Example #2
0
FloatQuad RenderGeometryMap::mapToContainer(const FloatRect& rect, const RenderLayerModelObject* container) const
{
    FloatRect result;

    if (!hasFixedPositionStep() && !hasTransformStep() && !hasNonUniformStep() && (!container || (m_mapping.size() && container == m_mapping[0].m_renderer))) {
        result = rect;
        result.move(m_accumulatedOffset);
    } else {
        TransformState transformState(TransformState::ApplyTransformDirection, rect.center(), rect);
        mapToContainer(transformState, container);
        result = transformState.lastPlanarQuad().boundingBox();
    }

#if !ASSERT_DISABLED
    if (m_mapping.size() > 0) {
        const RenderObject* lastRenderer = m_mapping.last().m_renderer;
        const RenderLayer* layer = lastRenderer->enclosingLayer();

        // Bounds for invisible layers are intentionally not calculated, and are
        // therefore not necessarily expected to be correct here. This is ok,
        // because they will be recomputed if the layer becomes visible.
        if (!layer->subtreeIsInvisible() && lastRenderer->style()->visibility() == VISIBLE) {
            FloatRect rendererMappedResult = lastRenderer->localToContainerQuad(rect, container, m_mapCoordinatesFlags).boundingBox();

            // Inspector creates renderers with negative width <https://bugs.webkit.org/show_bug.cgi?id=87194>.
            // Taking FloatQuad bounds avoids spurious assertions because of that.
            ASSERT(enclosingIntRect(rendererMappedResult) == enclosingIntRect(FloatQuad(result).boundingBox()));
        }
    }
#endif

    return result;
}
Example #3
0
FloatQuad RenderGeometryMap::mapToContainer(const FloatRect& rect, const RenderLayerModelObject* container) const
{
    FloatQuad result;
    
    if (!hasFixedPositionStep() && !hasTransformStep() && !hasNonUniformStep() && (!container || (m_mapping.size() && container == m_mapping[0].m_renderer))) {
        result = rect;
        result.move(m_accumulatedOffset);
    } else {
        TransformState transformState(TransformState::ApplyTransformDirection, rect.center(), rect);
        mapToContainer(transformState, container);
        result = transformState.lastPlanarQuad();
    }

    return result;
}
Example #4
0
FloatRect RenderGeometryMap::absoluteRect(const FloatRect& rect) const
{
    FloatRect result;
    
    if (!hasFixedPositionStep() && !hasTransformStep() && !hasNonUniformStep()) {
        result = rect;
        result.move(m_accumulatedOffset);
    } else {
        TransformState transformState(TransformState::ApplyTransformDirection, rect.center(), rect);
        mapToAbsolute(transformState);
        result = transformState.lastPlanarQuad().boundingBox();
    }

#if !ASSERT_DISABLED
    FloatRect rendererMappedResult = m_mapping.last().m_renderer->localToAbsoluteQuad(rect).boundingBox();
    // Inspector creates renderers with negative width <https://bugs.webkit.org/show_bug.cgi?id=87194>.
    // Taking FloatQuad bounds avoids spurious assertions because of that.
    ASSERT(enclosingIntRect(rendererMappedResult) == enclosingIntRect(FloatQuad(result).boundingBox()));
#endif

    return result;
}
Example #5
0
FloatQuad RenderGeometryMap::mapToContainer(const FloatRect& rect, const RenderLayerModelObject* container) const
{
    FloatRect result;
    
    if (!hasFixedPositionStep() && !hasTransformStep() && !hasNonUniformStep() && (!container || (m_mapping.size() && container == m_mapping[0].m_renderer))) {
        result = rect;
        result.move(m_accumulatedOffset);
    } else {
        TransformState transformState(TransformState::ApplyTransformDirection, rect.center(), rect);
        mapToContainer(transformState, container);
        result = transformState.lastPlanarQuad().boundingBox();
    }

#if !ASSERT_DISABLED
    FloatRect rendererMappedResult = m_mapping.last().m_renderer->localToContainerQuad(rect, container, m_mapCoordinatesFlags).boundingBox();
    // Inspector creates renderers with negative width <https://bugs.webkit.org/show_bug.cgi?id=87194>.
    // Taking FloatQuad bounds avoids spurious assertions because of that.
    ASSERT(enclosingIntRect(rendererMappedResult) == enclosingIntRect(FloatQuad(result).boundingBox()));
//    if (enclosingIntRect(rendererMappedResult) != enclosingIntRect(FloatQuad(result).boundingBox()))
//        fprintf(stderr, "Mismatched rects\n");
#endif

    return result;
}