/**
* Traverses the horizontal inline boxes and appends the point coordinates to
* the given array.
* @param box inline box
* @param pointArray array collecting coordinates
* @param bottom \c true, collect bottom coordinates, \c false, collect top
* coordinates.
* @param limit lower limit that an y-coordinate must at least reach. Note
* that limit designates the highest y-coordinate for \c bottom, and
* the lowest for !\c bottom.
*/
static void collectHorizontalBoxCoordinates(InlineBox *box, QValueVector< QPoint > &pointArray, bool bottom, int offset, int limit = -500000)
{
// kdDebug(6000) << "collectHorizontalBoxCoordinates: " << endl;
offset = bottom ? offset : -offset;
int y = box->yPos() + bottom * box->height() + offset;
if(limit != -500000 && (bottom ? y < limit : y > limit))
y = limit;
int x = box->xPos() + bottom * box->width() + offset;
QPoint newPnt(x, y);
// Add intersection point if point-array not empty.
if(!pointArray.isEmpty())
{
QPoint lastPnt = pointArray.back();
QPoint insPnt(newPnt.x(), lastPnt.y());
if(offset && ((bottom && lastPnt.y() > y) || (!bottom && lastPnt.y() < y)))
{
insPnt.rx() = lastPnt.x();
insPnt.ry() = y;
}
// kdDebug(6040) << "left: " << lastPnt << " == " << insPnt << ": " << (insPnt == lastPnt) << endl;
appendPoint(pointArray, insPnt);
}
// Insert starting point of box
appendPoint(pointArray, newPnt);
newPnt.rx() += (bottom ? -box->width() : box->width()) - 2 * offset;
if(box->isInlineFlowBox())
{
InlineFlowBox *flowBox = static_cast< InlineFlowBox * >(box);
for(InlineBox *b = bottom ? flowBox->lastChild() : flowBox->firstChild(); b; b = bottom ? b->prevOnLine() : b->nextOnLine())
{
// Don't let boxes smaller than this flow box' height influence
// the vertical position of the outline if they have a different
// x-coordinate
int l2;
if(b->xPos() != box->xPos() && b->xPos() + b->width() != box->xPos() + box->width())
l2 = y;
else
l2 = limit;
collectHorizontalBoxCoordinates(b, pointArray, bottom, kAbs(offset), l2);
}
// Add intersection point if flow box contained any children
if(flowBox->firstChild())
{
QPoint lastPnt = pointArray.back();
QPoint insPnt(lastPnt.x(), newPnt.y());
// kdDebug(6040) << "right: " << lastPnt << " == " << insPnt << ": " << (insPnt == lastPnt) << endl;
appendPoint(pointArray, insPnt);
}
}
// Insert ending point of box
appendPoint(pointArray, newPnt);
// kdDebug(6000) << "collectHorizontalBoxCoordinates: " << "ende" << endl;
}
FloatRect RenderSVGText::relativeBBox(bool includeStroke) const
{
FloatRect repaintRect;
for (InlineRunBox* runBox = firstLineBox(); runBox; runBox = runBox->nextLineBox()) {
ASSERT(runBox->isInlineFlowBox());
InlineFlowBox* flowBox = static_cast<InlineFlowBox*>(runBox);
for (InlineBox* box = flowBox->firstChild(); box; box = box->nextOnLine())
repaintRect.unite(FloatRect(box->xPos(), box->yPos(), box->width(), box->height()));
}
// SVG needs to include the strokeWidth(), not the textStrokeWidth().
if (includeStroke && style()->svgStyle()->hasStroke()) {
float strokeWidth = SVGRenderStyle::cssPrimitiveToLength(this, style()->svgStyle()->strokeWidth(), 0.0f);
#if ENABLE(SVG_FONTS)
const Font& font = style()->font();
if (font.primaryFont()->isSVGFont()) {
float scale = font.unitsPerEm() > 0 ? font.size() / font.unitsPerEm() : 0.0f;
if (scale != 0.0f)
strokeWidth /= scale;
}
#endif
repaintRect.inflate(strokeWidth);
}
repaintRect.move(xPos(), yPos());
return repaintRect;
}
FloatRect RenderSVGText::objectBoundingBox() const
{
FloatRect boundingBox;
for (InlineFlowBox* flow = firstLineBox(); flow; flow = flow->nextLineBox()) {
for (InlineBox* box = flow->firstChild(); box; box = box->nextOnLine())
boundingBox.unite(FloatRect(box->x(), box->y(), box->width(), box->height()));
}
boundingBox.move(x(), y());
return boundingBox;
}
FloatRect RenderSVGText::objectBoundingBox() const
{
FloatRect boundingBox;
for (InlineRunBox* runBox = firstLineBox(); runBox; runBox = runBox->nextLineBox()) {
ASSERT(runBox->isInlineFlowBox());
InlineFlowBox* flowBox = static_cast<InlineFlowBox*>(runBox);
for (InlineBox* box = flowBox->firstChild(); box; box = box->nextOnLine())
boundingBox.unite(FloatRect(box->x(), box->y(), box->width(), box->height()));
}
boundingBox.move(x(), y());
return boundingBox;
}
void RenderSVGText::absoluteQuads(Vector<FloatQuad>& quads)
{
RenderSVGRoot* root = findSVGRootObject(parent());
if (!root)
return;
// Don't use objectBoundingBox here, as it's unites the selection rects. Makes it hard
// to spot errors, if there are any using WebInspector. Individually feed them into 'rects'.
for (InlineFlowBox* flow = firstLineBox(); flow; flow = flow->nextLineBox()) {
for (InlineBox* box = flow->firstChild(); box; box = box->nextOnLine()) {
FloatRect boxRect(box->x(), box->y(), box->width(), box->height());
// FIXME: crawling up the parent chain to map each quad is very inefficient
// we should compute the absoluteTransform outside this loop first.
quads.append(localToAbsoluteQuad(boxRect));
}
}
}
FloatRect RenderSVGText::relativeBBox(bool includeStroke) const
{
FloatRect repaintRect;
for (InlineRunBox* runBox = firstLineBox(); runBox; runBox = runBox->nextLineBox()) {
ASSERT(runBox->isInlineFlowBox());
InlineFlowBox* flowBox = static_cast<InlineFlowBox*>(runBox);
for (InlineBox* box = flowBox->firstChild(); box; box = box->nextOnLine())
repaintRect.unite(FloatRect(box->xPos(), box->yPos(), box->width(), box->height()));
}
// SVG needs to include the strokeWidth(), not the textStrokeWidth().
if (includeStroke && style()->svgStyle()->hasStroke())
repaintRect.inflate(narrowPrecisionToFloat(KSVGPainterFactory::cssPrimitiveToLength(this, style()->svgStyle()->strokeWidth(), 0.0)));
repaintRect.move(xPos(), yPos());
return repaintRect;
}
void RenderSVGText::absoluteRects(Vector<IntRect>& rects, int, int)
{
RenderSVGRoot* root = findSVGRootObject(parent());
if (!root)
return;
// Don't use objectBoundingBox here, as it's unites the selection rects. Makes it hard
// to spot errors, if there are any using WebInspector. Individually feed them into 'rects'.
for (InlineRunBox* runBox = firstLineBox(); runBox; runBox = runBox->nextLineBox()) {
ASSERT(runBox->isInlineFlowBox());
InlineFlowBox* flowBox = static_cast<InlineFlowBox*>(runBox);
for (InlineBox* box = flowBox->firstChild(); box; box = box->nextOnLine()) {
FloatRect boxRect(box->x(), box->y(), box->width(), box->height());
// FIXME: crawling up the parent chain to map each rect is very inefficient
// we should compute the absoluteTransform outside this loop first.
rects.append(enclosingIntRect(localToAbsoluteQuad(boxRect).boundingBox()));
}
}
}
static bool translateBox(InlineBox* box, int x, int y, bool topLevel)
{
if (box->object()->isText()) {
box->setXPos(box->xPos() + x);
box->setYPos(box->yPos() + y);
} else if (!box->object()->element()->hasTagName(aTag)) {
InlineFlowBox* flow = static_cast<InlineFlowBox*>(box);
SVGTextPositioningElement* text = static_cast<SVGTextPositioningElement*>(box->object()->element());
if (topLevel || !(text->x()->getFirst().value() || text->y()->getFirst().value() ||
text->dx()->getFirst().value() || text->dy()->getFirst().value())) {
box->setXPos(box->xPos() + x);
box->setYPos(box->yPos() + y);
for (InlineBox* curr = flow->firstChild(); curr; curr = curr->nextOnLine()) {
if (!translateBox(curr, x, y, false))
return false;
}
}
}
return true;
}
void RenderFlow::detach()
{
if (!documentBeingDestroyed()) {
if (m_firstLineBox) {
// We can't wait for RenderContainer::detach to clear the selection,
// because by then we will have nuked the line boxes.
if (isSelectionBorder())
canvas()->clearSelection();
// If line boxes are contained inside a root, that means we're an inline.
// In that case, we need to remove all the line boxes so that the parent
// lines aren't pointing to deleted children. If the first line box does
// not have a parent that means they are either already disconnected or
// root lines that can just be destroyed without disconnecting.
if (m_firstLineBox->parent()) {
for (InlineRunBox* box = m_firstLineBox; box; box = box->nextLineBox())
box->remove();
}
// If we are an anonymous block, then our line boxes might have children
// that will outlast this block. In the non-anonymous block case those
// children will be destroyed by the time we return from this function.
if (isAnonymousBlock()) {
for (InlineFlowBox* box = m_firstLineBox; box; box = box->nextFlowBox()) {
while (InlineBox *childBox = box->firstChild()) {
childBox->remove();
}
}
}
}
else if (isInline() && parent())
parent()->dirtyLinesFromChangedChild(this, false);
}
deleteLineBoxes();
RenderContainer::detach();
}
void RenderSVGText::absoluteRects(Vector<IntRect>& rects, int, int, bool)
{
RenderSVGRoot* root = findSVGRootObject(parent());
if (!root)
return;
int x, y;
absolutePosition(x, y);
AffineTransform htmlParentCtm = root->RenderContainer::absoluteTransform();
// Don't use relativeBBox here, as it's unites the selection rects. Makes it hard
// to spot errors, if there are any using WebInspector. Individually feed them into 'rects'.
for (InlineRunBox* runBox = firstLineBox(); runBox; runBox = runBox->nextLineBox()) {
ASSERT(runBox->isInlineFlowBox());
InlineFlowBox* flowBox = static_cast<InlineFlowBox*>(runBox);
for (InlineBox* box = flowBox->firstChild(); box; box = box->nextOnLine()) {
FloatRect boxRect(box->xPos(), box->yPos(), box->width(), box->height());
boxRect.move(narrowPrecisionToFloat(x - htmlParentCtm.e()), narrowPrecisionToFloat(y - htmlParentCtm.f()));
rects.append(enclosingIntRect(absoluteTransform().mapRect(boxRect)));
}
}
}
