void SVGInlineTextBox::paintText(GraphicsContext& context, RenderStyle* style, RenderStyle* selectionStyle, const SVGTextFragment& fragment, bool hasSelection, bool paintSelectedTextOnly)
{
ASSERT(style);
ASSERT(selectionStyle);
int startPosition = 0;
int endPosition = 0;
if (hasSelection) {
std::tie(startPosition, endPosition) = selectionStartEnd();
hasSelection = mapStartEndPositionsIntoFragmentCoordinates(fragment, startPosition, endPosition);
}
// Fast path if there is no selection, just draw the whole chunk part using the regular style
TextRun textRun = constructTextRun(style, fragment);
if (!hasSelection || startPosition >= endPosition) {
paintTextWithShadows(context, style, textRun, fragment, 0, fragment.length);
return;
}
// Eventually draw text using regular style until the start position of the selection
if (startPosition > 0 && !paintSelectedTextOnly)
paintTextWithShadows(context, style, textRun, fragment, 0, startPosition);
// Draw text using selection style from the start to the end position of the selection
if (style != selectionStyle)
SVGResourcesCache::clientStyleChanged(parent()->renderer(), StyleDifferenceRepaint, *selectionStyle);
TextRun selectionTextRun = constructTextRun(selectionStyle, fragment);
paintTextWithShadows(context, selectionStyle, textRun, fragment, startPosition, endPosition);
if (style != selectionStyle)
SVGResourcesCache::clientStyleChanged(parent()->renderer(), StyleDifferenceRepaint, *style);
// Eventually draw text using regular style from the end position of the selection to the end of the current chunk part
if (endPosition < static_cast<int>(fragment.length) && !paintSelectedTextOnly)
paintTextWithShadows(context, style, textRun, fragment, endPosition, fragment.length);
}
IntRect SVGInlineTextBox::selectionRect(int, int, int startPosition, int endPosition)
{
int boxStart = start();
startPosition = max(startPosition - boxStart, 0);
endPosition = min(endPosition - boxStart, static_cast<int>(len()));
if (startPosition >= endPosition)
return IntRect();
RenderText* text = textRenderer();
ASSERT(text);
RenderStyle* style = text->style();
ASSERT(style);
FloatRect selectionRect;
int fragmentStartPosition = 0;
int fragmentEndPosition = 0;
unsigned textFragmentsSize = m_textFragments.size();
for (unsigned i = 0; i < textFragmentsSize; ++i) {
const SVGTextFragment& fragment = m_textFragments.at(i);
fragmentStartPosition = startPosition;
fragmentEndPosition = endPosition;
if (!mapStartEndPositionsIntoFragmentCoordinates(fragment, fragmentStartPosition, fragmentEndPosition))
continue;
FloatRect fragmentRect = selectionRectForTextFragment(fragment, fragmentStartPosition, fragmentEndPosition, style);
if (!fragment.transform.isIdentity())
fragmentRect = fragment.transform.mapRect(fragmentRect);
selectionRect.unite(fragmentRect);
}
return enclosingIntRect(selectionRect);
}
LayoutRect SVGInlineTextBox::localSelectionRect(int startPosition, int endPosition)
{
int boxStart = start();
startPosition = std::max(startPosition - boxStart, 0);
endPosition = std::min(endPosition - boxStart, static_cast<int>(len()));
if (startPosition >= endPosition)
return LayoutRect();
RenderStyle* style = renderer().style();
ASSERT(style);
AffineTransform fragmentTransform;
FloatRectWillBeLayoutRect selectionRect;
int fragmentStartPosition = 0;
int fragmentEndPosition = 0;
unsigned textFragmentsSize = m_textFragments.size();
for (unsigned i = 0; i < textFragmentsSize; ++i) {
const SVGTextFragment& fragment = m_textFragments.at(i);
fragmentStartPosition = startPosition;
fragmentEndPosition = endPosition;
if (!mapStartEndPositionsIntoFragmentCoordinates(fragment, fragmentStartPosition, fragmentEndPosition))
continue;
FloatRectWillBeLayoutRect fragmentRect = selectionRectForTextFragment(fragment, fragmentStartPosition, fragmentEndPosition, style);
fragment.buildFragmentTransform(fragmentTransform);
fragmentRect = fragmentTransform.mapRect(fragmentRect);
selectionRect.unite(fragmentRect);
}
// FIXME: the call to rawValue() below is temporary and should be removed once the transition
// to LayoutUnit-based types is complete (crbug.com/321237)
return enclosingIntRect(selectionRect.rawValue());
}
void SVGInlineTextBox::paintSelectionBackground(PaintInfo& paintInfo)
{
ASSERT(paintInfo.shouldPaintWithinRoot(renderer()));
ASSERT(paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection);
ASSERT(truncation() == cNoTruncation);
if (renderer()->style()->visibility() != VISIBLE)
return;
RenderObject* parentRenderer = parent()->renderer();
ASSERT(parentRenderer);
ASSERT(!parentRenderer->document()->printing());
// Determine whether or not we're selected.
bool paintSelectedTextOnly = paintInfo.phase == PaintPhaseSelection;
bool hasSelection = selectionState() != RenderObject::SelectionNone;
if (!hasSelection || paintSelectedTextOnly)
return;
Color backgroundColor = renderer()->selectionBackgroundColor();
if (!backgroundColor.isValid() || !backgroundColor.alpha())
return;
RenderSVGInlineText* textRenderer = toRenderSVGInlineText(this->textRenderer());
ASSERT(textRenderer);
if (!textShouldBePainted(textRenderer))
return;
RenderStyle* style = parentRenderer->style();
ASSERT(style);
RenderStyle* selectionStyle = style;
if (hasSelection) {
selectionStyle = parentRenderer->getCachedPseudoStyle(SELECTION);
if (!selectionStyle)
selectionStyle = style;
}
int startPosition, endPosition;
selectionStartEnd(startPosition, endPosition);
int fragmentStartPosition = 0;
int fragmentEndPosition = 0;
AffineTransform fragmentTransform;
unsigned textFragmentsSize = m_textFragments.size();
for (unsigned i = 0; i < textFragmentsSize; ++i) {
SVGTextFragment& fragment = m_textFragments.at(i);
ASSERT(!m_paintingResource);
fragmentStartPosition = startPosition;
fragmentEndPosition = endPosition;
if (!mapStartEndPositionsIntoFragmentCoordinates(fragment, fragmentStartPosition, fragmentEndPosition))
continue;
GraphicsContextStateSaver stateSaver(*paintInfo.context);
fragment.buildFragmentTransform(fragmentTransform);
if (!fragmentTransform.isIdentity())
paintInfo.context->concatCTM(fragmentTransform);
paintInfo.context->setFillColor(backgroundColor, style->colorSpace());
paintInfo.context->fillRect(selectionRectForTextFragment(fragment, fragmentStartPosition, fragmentEndPosition, style), backgroundColor, style->colorSpace());
m_paintingResourceMode = ApplyToDefaultMode;
}
ASSERT(!m_paintingResource);
}