void ListMarkerPainter::paint(const PaintInfo& paintInfo,
const LayoutPoint& paintOffset) {
if (paintInfo.phase != PaintPhaseForeground)
return;
if (m_layoutListMarker.style()->visibility() != EVisibility::Visible)
return;
if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(
paintInfo.context, m_layoutListMarker, paintInfo.phase))
return;
LayoutPoint boxOrigin(paintOffset + m_layoutListMarker.location());
LayoutRect overflowRect(m_layoutListMarker.visualOverflowRect());
overflowRect.moveBy(boxOrigin);
IntRect pixelSnappedOverflowRect = pixelSnappedIntRect(overflowRect);
if (!paintInfo.cullRect().intersectsCullRect(overflowRect))
return;
LayoutObjectDrawingRecorder recorder(paintInfo.context, m_layoutListMarker,
paintInfo.phase,
pixelSnappedOverflowRect);
LayoutRect box(boxOrigin, m_layoutListMarker.size());
IntRect marker = m_layoutListMarker.getRelativeMarkerRect();
marker.moveBy(roundedIntPoint(boxOrigin));
GraphicsContext& context = paintInfo.context;
if (m_layoutListMarker.isImage()) {
context.drawImage(m_layoutListMarker.image()
->image(m_layoutListMarker, marker.size(),
m_layoutListMarker.styleRef().effectiveZoom())
.get(),
marker);
if (m_layoutListMarker.getSelectionState() != SelectionNone) {
LayoutRect selRect = m_layoutListMarker.localSelectionRect();
selRect.moveBy(boxOrigin);
context.fillRect(
pixelSnappedIntRect(selRect),
m_layoutListMarker.listItem()->selectionBackgroundColor());
}
return;
}
LayoutListMarker::ListStyleCategory styleCategory =
m_layoutListMarker.getListStyleCategory();
if (styleCategory == LayoutListMarker::ListStyleCategory::None)
return;
Color color(m_layoutListMarker.resolveColor(CSSPropertyColor));
if (BoxPainter::shouldForceWhiteBackgroundForPrintEconomy(
m_layoutListMarker.styleRef(),
m_layoutListMarker.listItem()->document()))
color = TextPainter::textColorForWhiteBackground(color);
// Apply the color to the list marker text.
context.setFillColor(color);
const EListStyleType listStyle = m_layoutListMarker.style()->listStyleType();
if (styleCategory == LayoutListMarker::ListStyleCategory::Symbol) {
paintSymbol(context, color, marker, listStyle);
return;
}
if (m_layoutListMarker.text().isEmpty())
return;
const Font& font = m_layoutListMarker.style()->font();
TextRun textRun = constructTextRun(font, m_layoutListMarker.text(),
m_layoutListMarker.styleRef());
GraphicsContextStateSaver stateSaver(context, false);
if (!m_layoutListMarker.style()->isHorizontalWritingMode()) {
marker.moveBy(roundedIntPoint(-boxOrigin));
marker = marker.transposedRect();
marker.moveBy(
IntPoint(roundToInt(box.x()),
roundToInt(box.y() - m_layoutListMarker.logicalHeight())));
stateSaver.save();
context.translate(marker.x(), marker.maxY());
context.rotate(static_cast<float>(deg2rad(90.)));
context.translate(-marker.x(), -marker.maxY());
}
TextRunPaintInfo textRunPaintInfo(textRun);
textRunPaintInfo.bounds = marker;
const SimpleFontData* fontData =
m_layoutListMarker.style()->font().primaryFont();
IntPoint textOrigin = IntPoint(
marker.x(),
marker.y() + (fontData ? fontData->getFontMetrics().ascent() : 0));
// Text is not arbitrary. We can judge whether it's RTL from the first
// character, and we only need to handle the direction RightToLeft for now.
bool textNeedsReversing =
WTF::Unicode::direction(m_layoutListMarker.text()[0]) ==
WTF::Unicode::RightToLeft;
StringBuilder reversedText;
if (textNeedsReversing) {
unsigned length = m_layoutListMarker.text().length();
reversedText.reserveCapacity(length);
for (int i = length - 1; i >= 0; --i)
reversedText.append(m_layoutListMarker.text()[i]);
DCHECK(reversedText.length() == length);
textRun.setText(reversedText.toString());
}
const UChar suffix =
ListMarkerText::suffix(listStyle, m_layoutListMarker.listItem()->value());
UChar suffixStr[2] = {suffix, static_cast<UChar>(' ')};
TextRun suffixRun =
constructTextRun(font, suffixStr, 2, m_layoutListMarker.styleRef(),
m_layoutListMarker.style()->direction());
TextRunPaintInfo suffixRunInfo(suffixRun);
suffixRunInfo.bounds = marker;
if (m_layoutListMarker.style()->isLeftToRightDirection()) {
context.drawText(font, textRunPaintInfo, textOrigin);
context.drawText(font, suffixRunInfo,
textOrigin + IntSize(font.width(textRun), 0));
} else {
context.drawText(font, suffixRunInfo, textOrigin);
context.drawText(font, textRunPaintInfo,
textOrigin + IntSize(font.width(suffixRun), 0));
}
}
void Legend::paintSymbols(QPointF pos)
{
qreal x = pos.x();
qreal y = pos.y();
x += 30;
switch(m_Orientation)
{
case Legend::LO_HORIZONTAL :
{
// paint Open Cluster/Asterism symbol
QString label1 = i18n("Open Cluster") + "\n" + i18n("Asterism");
paintSymbol(QPointF(x, y), 3, 1, 0, label1);
x += m_XSymbolSpacing;
// paint Globular Cluster symbol
paintSymbol(QPointF(x, y), 4, 1, 0, i18n("Globular Cluster"));
x += m_XSymbolSpacing;
// paint Gaseous Nebula/Dark Nebula symbol
QString label3 = i18n("Gaseous Nebula") + "\n" + i18n("Dark Nebula");
paintSymbol(QPointF(x, y), 5, 1, 0, label3);
x += m_XSymbolSpacing;
// paint Planetary Nebula symbol
paintSymbol(QPointF(x, y), 6, 1, 0, i18n("Planetary Nebula"));
x += m_XSymbolSpacing;
// paint Supernova Remnant
paintSymbol(QPointF(x, y), 7, 1, 0, i18n("Supernova Remnant"));
x += m_XSymbolSpacing;
// paint Galaxy/Quasar
QString label6 = i18n("Galaxy") + "\n" + i18n("Quasar");
paintSymbol(QPointF(x, y), 8, 0.5, 60, label6);
x += m_XSymbolSpacing;
// paint Galaxy Cluster
paintSymbol(QPointF(x, y), 14, 1, 0, i18n("Galactic Cluster"));
break;
}
case Legend::LO_VERTICAL :
{
// paint Open Cluster/Asterism symbol
QString label1 = i18n("Open Cluster") + "\n" + i18n("Asterism");
paintSymbol(QPointF(x, y), 3, 1, 0, label1);
y += m_YSymbolSpacing;
// paint Globular Cluster symbol
paintSymbol(QPointF(x, y), 4, 1, 0, i18n("Globular Cluster"));
y += m_YSymbolSpacing;
// paint Gaseous Nebula/Dark Nebula symbol
QString label3 = i18n("Gaseous Nebula") + "\n" + i18n("Dark Nebula");
paintSymbol(QPointF(x, y), 5, 1, 0, label3);
y += m_YSymbolSpacing;
// paint Planetary Nebula symbol
paintSymbol(QPointF(x, y), 6, 1, 0, i18n("Planetary Nebula"));
y += m_YSymbolSpacing;
// paint Supernova Remnant
paintSymbol(QPointF(x, y), 7, 1, 0, i18n("Supernova Remnant"));
y += m_YSymbolSpacing;
// paint Galaxy/Quasar
QString label6 = i18n("Galaxy") + "\n" + i18n("Quasar");
paintSymbol(QPointF(x, y), 8, 0.5, 60, label6);
y += m_YSymbolSpacing;
// paint Galaxy Cluster
paintSymbol(QPointF(x, y), 14, 1, 0, i18n("Galactic Cluster"));
break;
}
default : return; // should never happen
}
}
