void ScrollableAreaPainter::paintResizer(GraphicsContext& context,
const IntPoint& paintOffset,
const CullRect& cullRect) {
if (getScrollableArea().box().style()->resize() == RESIZE_NONE)
return;
IntRect absRect = getScrollableArea().resizerCornerRect(
getScrollableArea().box().pixelSnappedBorderBoxRect(), ResizerForPointer);
if (absRect.isEmpty())
return;
absRect.moveBy(paintOffset);
if (getScrollableArea().resizer()) {
if (!cullRect.intersectsCullRect(absRect))
return;
ScrollbarPainter::paintIntoRect(*getScrollableArea().resizer(), context,
paintOffset, LayoutRect(absRect));
return;
}
if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(
context, getScrollableArea().box(), DisplayItem::kResizer))
return;
LayoutObjectDrawingRecorder recorder(context, getScrollableArea().box(),
DisplayItem::kResizer, absRect);
drawPlatformResizerImage(context, absRect);
// Draw a frame around the resizer (1px grey line) if there are any scrollbars
// present. Clipping will exclude the right and bottom edges of this frame.
if (!getScrollableArea().hasOverlayScrollbars() &&
getScrollableArea().hasScrollbar()) {
GraphicsContextStateSaver stateSaver(context);
context.clip(absRect);
IntRect largerCorner = absRect;
largerCorner.setSize(
IntSize(largerCorner.width() + 1, largerCorner.height() + 1));
context.setStrokeColor(Color(217, 217, 217));
context.setStrokeThickness(1.0f);
context.setFillColor(Color::transparent);
context.drawRect(largerCorner);
}
}
void ScrollableAreaPainter::paintResizer(GraphicsContext* context, const IntPoint& paintOffset, const IntRect& damageRect)
{
if (m_scrollableArea.box().style()->resize() == RESIZE_NONE)
return;
IntRect absRect = m_scrollableArea.resizerCornerRect(m_scrollableArea.box().pixelSnappedBorderBoxRect(), ResizerForPointer);
if (absRect.isEmpty())
return;
absRect.moveBy(paintOffset);
if (m_scrollableArea.resizer()) {
if (!absRect.intersects(damageRect))
return;
ScrollbarPainter::paintIntoRect(m_scrollableArea.resizer(), context, paintOffset, LayoutRect(absRect));
return;
}
if (!RuntimeEnabledFeatures::slimmingPaintEnabled() && !absRect.intersects(damageRect))
return;
if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*context, m_scrollableArea.box(), DisplayItem::Resizer))
return;
LayoutObjectDrawingRecorder recorder(*context, m_scrollableArea.box(), DisplayItem::Resizer, absRect);
drawPlatformResizerImage(context, absRect);
// Draw a frame around the resizer (1px grey line) if there are any scrollbars present.
// Clipping will exclude the right and bottom edges of this frame.
if (!m_scrollableArea.hasOverlayScrollbars() && m_scrollableArea.hasScrollbar()) {
GraphicsContextStateSaver stateSaver(*context);
context->clip(absRect);
IntRect largerCorner = absRect;
largerCorner.setSize(IntSize(largerCorner.width() + 1, largerCorner.height() + 1));
context->setStrokeColor(Color(217, 217, 217));
context->setStrokeThickness(1.0f);
context->setFillColor(Color::transparent);
context->drawRect(largerCorner);
}
}
