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;
}
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;
}
FloatPoint RenderGeometryMap::mapToContainer(const FloatPoint& p, const RenderLayerModelObject* container) const
{
FloatPoint result;
if (!hasFixedPositionStep() && !hasTransformStep() && !hasNonUniformStep() && (!container || (m_mapping.size() && container == m_mapping[0].m_renderer)))
result = p + roundedIntSize(m_accumulatedOffset);
else {
TransformState transformState(TransformState::ApplyTransformDirection, p);
mapToContainer(transformState, container);
result = transformState.lastPlanarPoint();
}
#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 || !layer->subtreeIsInvisible()) {
FloatPoint rendererMappedResult = lastRenderer->localToAbsolute(p, m_mapCoordinatesFlags);
ASSERT(roundedIntPoint(rendererMappedResult) == roundedIntPoint(result));
}
}
#endif
return result;
}
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;
}
FloatPoint RenderGeometryMap::absolutePoint(const FloatPoint& p) const
{
FloatPoint result;
if (!hasFixedPositionStep() && !hasTransformStep() && !hasNonUniformStep())
result = p + m_accumulatedOffset;
else {
TransformState transformState(TransformState::ApplyTransformDirection, p);
mapToAbsolute(transformState);
result = transformState.lastPlanarPoint();
}
#if !ASSERT_DISABLED
FloatPoint rendererMappedResult = m_mapping.last().m_renderer->localToAbsolute(p, false, true);
ASSERT(rendererMappedResult == result);
#endif
return result;
}
FloatPoint RenderGeometryMap::mapToContainer(const FloatPoint& p, const RenderLayerModelObject* container) const
{
FloatPoint result;
#if !ASSERT_DISABLED
FloatPoint rendererMappedResult = m_mapping.last().m_renderer->localToAbsolute(p, m_mapCoordinatesFlags);
#endif
if (!hasFixedPositionStep() && !hasTransformStep() && !hasNonUniformStep() && (!container || (m_mapping.size() && container == m_mapping[0].m_renderer))) {
result = p + roundedIntSize(m_accumulatedOffset);
// Should convert to a LayoutPoint because of the uniqueness of LayoutUnit::round
ASSERT(roundedIntPoint(LayoutPoint(rendererMappedResult)) == result);
} else {
TransformState transformState(TransformState::ApplyTransformDirection, p);
mapToContainer(transformState, container);
result = transformState.lastPlanarPoint();
ASSERT(areEssentiallyEqual(rendererMappedResult, result));
}
return result;
}
FloatPoint RenderGeometryMap::mapToContainer(const FloatPoint& p, const RenderLayerModelObject* container) const
{
FloatPoint result;
if (!hasFixedPositionStep() && !hasTransformStep() && !hasNonUniformStep() && (!container || (m_mapping.size() && container == m_mapping[0].m_renderer)))
result = p + roundedIntSize(m_accumulatedOffset);
else {
TransformState transformState(TransformState::ApplyTransformDirection, p);
mapToContainer(transformState, container);
result = transformState.lastPlanarPoint();
}
#if !ASSERT_DISABLED
FloatPoint rendererMappedResult = m_mapping.last().m_renderer->localToAbsolute(p, m_mapCoordinatesFlags);
ASSERT(roundedIntPoint(rendererMappedResult) == roundedIntPoint(result));
// if (roundedIntPoint(rendererMappedResult) != roundedIntPoint(result))
// fprintf(stderr, "Mismatched point\n");
#endif
return result;
}
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;
}
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;
}