void SVGInlineTextBoxPainter::paintText(const PaintInfo& paintInfo, const ComputedStyle& style,
const ComputedStyle& selectionStyle, const SVGTextFragment& fragment,
LayoutSVGResourceMode resourceMode, bool shouldPaintSelection)
{
int startPosition = 0;
int endPosition = 0;
if (shouldPaintSelection) {
m_svgInlineTextBox.selectionStartEnd(startPosition, endPosition);
shouldPaintSelection = m_svgInlineTextBox.mapStartEndPositionsIntoFragmentCoordinates(fragment, startPosition, endPosition);
}
// Fast path if there is no selection, just draw the whole chunk part using the regular style
TextRun textRun = m_svgInlineTextBox.constructTextRun(style, fragment);
if (!shouldPaintSelection || startPosition >= endPosition) {
paintTextWithShadows(paintInfo, style, textRun, fragment, 0, fragment.length, resourceMode);
return;
}
// Eventually draw text using regular style until the start position of the selection
bool paintSelectedTextOnly = paintInfo.phase == PaintPhaseSelection;
if (startPosition > 0 && !paintSelectedTextOnly)
paintTextWithShadows(paintInfo, style, textRun, fragment, 0, startPosition, resourceMode);
// Draw text using selection style from the start to the end position of the selection
if (style != selectionStyle) {
StyleDifference diff;
diff.setNeedsPaintInvalidationObject();
SVGResourcesCache::clientStyleChanged(&m_svgInlineTextBox.parent()->layoutObject(), diff, selectionStyle);
}
paintTextWithShadows(paintInfo, selectionStyle, textRun, fragment, startPosition, endPosition, resourceMode);
if (style != selectionStyle) {
StyleDifference diff;
diff.setNeedsPaintInvalidationObject();
SVGResourcesCache::clientStyleChanged(&m_svgInlineTextBox.parent()->layoutObject(), diff, 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(paintInfo, style, textRun, fragment, endPosition, fragment.length, resourceMode);
}
void TextPainter::paintText()
{
FloatPoint boxOrigin = m_boxRect.location();
if (!m_paintSelectedTextOnly) {
// For stroked painting, we have to change the text drawing mode. It's probably dangerous to leave that mutated as a side
// effect, so only when we know we're stroking, do a save/restore.
GraphicsContextStateSaver stateSaver(m_context, m_textPaintStyle.strokeWidth > 0);
updateGraphicsContext(m_context, m_textPaintStyle);
if (!m_paintSelectedTextSeparately || m_endPositionInTextRun <= m_startPositionInTextRun) {
// FIXME: Truncate right-to-left text correctly.
paintTextWithShadows(m_context, m_font, m_textRun, nullAtom, 0, 0, m_length, m_length, m_textOrigin, m_boxRect, m_textShadow, m_textPaintStyle.strokeWidth > 0, m_textBoxIsHorizontal);
} else
paintTextWithShadows(m_context, m_font, m_textRun, nullAtom, 0, m_endPositionInTextRun, m_startPositionInTextRun, m_length, m_textOrigin, m_boxRect, m_textShadow, m_textPaintStyle.strokeWidth > 0, m_textBoxIsHorizontal);
if (!m_emphasisMark.isEmpty()) {
updateGraphicsContext(m_context, m_textPaintStyle, UseEmphasisMarkColor);
static NeverDestroyed<TextRun> objectReplacementCharacterTextRun(&objectReplacementCharacter, 1);
TextRun& emphasisMarkTextRun = m_combinedText ? objectReplacementCharacterTextRun.get() : m_textRun;
FloatPoint emphasisMarkTextOrigin = m_combinedText ? FloatPoint(boxOrigin.x() + m_boxRect.width() / 2, boxOrigin.y() + m_font.fontMetrics().ascent()) : m_textOrigin;
if (m_combinedText)
m_context.concatCTM(rotation(m_boxRect, Clockwise));
if (!m_paintSelectedTextSeparately || m_endPositionInTextRun <= m_startPositionInTextRun) {
// FIXME: Truncate right-to-left text correctly.
paintTextWithShadows(m_context, m_combinedText ? m_combinedText->originalFont() : m_font, emphasisMarkTextRun, m_emphasisMark, m_emphasisMarkOffset, 0, m_length, m_length, emphasisMarkTextOrigin, m_boxRect, m_textShadow, m_textPaintStyle.strokeWidth > 0, m_textBoxIsHorizontal);
} else
paintTextWithShadows(m_context, m_combinedText ? m_combinedText->originalFont() : m_font, emphasisMarkTextRun, m_emphasisMark, m_emphasisMarkOffset, m_endPositionInTextRun, m_startPositionInTextRun, m_length, emphasisMarkTextOrigin, m_boxRect, m_textShadow, m_textPaintStyle.strokeWidth > 0, m_textBoxIsHorizontal);
if (m_combinedText)
m_context.concatCTM(rotation(m_boxRect, Counterclockwise));
}
}
if ((m_paintSelectedTextOnly || m_paintSelectedTextSeparately) && m_startPositionInTextRun < m_endPositionInTextRun) {
// paint only the text that is selected
GraphicsContextStateSaver stateSaver(m_context, m_selectionPaintStyle.strokeWidth > 0);
updateGraphicsContext(m_context, m_selectionPaintStyle);
paintTextWithShadows(m_context, m_font, m_textRun, nullAtom, 0, m_startPositionInTextRun, m_endPositionInTextRun, m_length, m_textOrigin, m_boxRect, m_selectionShadow, m_selectionPaintStyle.strokeWidth > 0, m_textBoxIsHorizontal);
if (!m_emphasisMark.isEmpty()) {
updateGraphicsContext(m_context, m_selectionPaintStyle, UseEmphasisMarkColor);
DEPRECATED_DEFINE_STATIC_LOCAL(TextRun, objectReplacementCharacterTextRun, (&objectReplacementCharacter, 1));
TextRun& emphasisMarkTextRun = m_combinedText ? objectReplacementCharacterTextRun : m_textRun;
FloatPoint emphasisMarkTextOrigin = m_combinedText ? FloatPoint(boxOrigin.x() + m_boxRect.width() / 2, boxOrigin.y() + m_font.fontMetrics().ascent()) : m_textOrigin;
if (m_combinedText)
m_context.concatCTM(rotation(m_boxRect, Clockwise));
paintTextWithShadows(m_context, m_combinedText ? m_combinedText->originalFont() : m_font, emphasisMarkTextRun, m_emphasisMark, m_emphasisMarkOffset, m_startPositionInTextRun, m_endPositionInTextRun, m_length, emphasisMarkTextOrigin, m_boxRect, m_selectionShadow, m_selectionPaintStyle.strokeWidth > 0, m_textBoxIsHorizontal);
if (m_combinedText)
m_context.concatCTM(rotation(m_boxRect, Counterclockwise));
}
}
}
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) {
selectionStartEnd(startPosition, endPosition);
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);
}
void InlineTextBox::paint(RenderObject::PaintInfo& paintInfo, int tx, int ty)
{
if (isLineBreak() || !object()->shouldPaintWithinRoot(paintInfo) || object()->style()->visibility() != VISIBLE ||
m_truncation == cFullTruncation || paintInfo.phase == PaintPhaseOutline)
return;
ASSERT(paintInfo.phase != PaintPhaseSelfOutline && paintInfo.phase != PaintPhaseChildOutlines);
int xPos = tx + m_x - parent()->maxHorizontalVisualOverflow();
int w = width() + 2 * parent()->maxHorizontalVisualOverflow();
if (xPos >= paintInfo.rect.right() || xPos + w <= paintInfo.rect.x())
return;
bool isPrinting = textObject()->document()->printing();
// Determine whether or not we're selected.
bool haveSelection = !isPrinting && paintInfo.phase != PaintPhaseTextClip && selectionState() != RenderObject::SelectionNone;
if (!haveSelection && paintInfo.phase == PaintPhaseSelection)
// When only painting the selection, don't bother to paint if there is none.
return;
GraphicsContext* context = paintInfo.context;
// Determine whether or not we have composition underlines to draw.
bool containsComposition = object()->document()->frame()->editor()->compositionNode() == object()->node();
bool useCustomUnderlines = containsComposition && object()->document()->frame()->editor()->compositionUsesCustomUnderlines();
// Set our font.
RenderStyle* styleToUse = object()->style(m_firstLine);
int d = styleToUse->textDecorationsInEffect();
const Font* font = &styleToUse->font();
if (*font != context->font())
context->setFont(*font);
// 1. Paint backgrounds behind text if needed. Examples of such backgrounds include selection
// and composition underlines.
if (paintInfo.phase != PaintPhaseSelection && paintInfo.phase != PaintPhaseTextClip && !isPrinting) {
#if PLATFORM(MAC)
// Custom highlighters go behind everything else.
if (styleToUse->highlight() != nullAtom && !context->paintingDisabled())
paintCustomHighlight(tx, ty, styleToUse->highlight());
#endif
if (containsComposition && !useCustomUnderlines)
paintCompositionBackground(context, tx, ty, styleToUse, font,
object()->document()->frame()->editor()->compositionStart(),
object()->document()->frame()->editor()->compositionEnd());
paintDocumentMarkers(context, tx, ty, styleToUse, font, true);
if (haveSelection && !useCustomUnderlines)
paintSelection(context, tx, ty, styleToUse, font);
}
// 2. Now paint the foreground, including text and decorations like underline/overline (in quirks mode only).
if (m_len <= 0)
return;
Color textFillColor;
Color textStrokeColor;
float textStrokeWidth = styleToUse->textStrokeWidth();
ShadowData* textShadow = paintInfo.forceBlackText ? 0 : styleToUse->textShadow();
if (paintInfo.forceBlackText) {
textFillColor = Color::black;
textStrokeColor = Color::black;
} else {
textFillColor = styleToUse->textFillColor();
if (!textFillColor.isValid())
textFillColor = styleToUse->color();
// Make the text fill color legible against a white background
if (styleToUse->forceBackgroundsToWhite())
textFillColor = correctedTextColor(textFillColor, Color::white);
textStrokeColor = styleToUse->textStrokeColor();
if (!textStrokeColor.isValid())
textStrokeColor = styleToUse->color();
// Make the text stroke color legible against a white background
if (styleToUse->forceBackgroundsToWhite())
textStrokeColor = correctedTextColor(textStrokeColor, Color::white);
}
bool paintSelectedTextOnly = (paintInfo.phase == PaintPhaseSelection);
bool paintSelectedTextSeparately = false;
Color selectionFillColor = textFillColor;
Color selectionStrokeColor = textStrokeColor;
float selectionStrokeWidth = textStrokeWidth;
ShadowData* selectionShadow = textShadow;
if (haveSelection) {
// Check foreground color first.
Color foreground = paintInfo.forceBlackText ? Color::black : object()->selectionForegroundColor();
if (foreground.isValid() && foreground != selectionFillColor) {
if (!paintSelectedTextOnly)
paintSelectedTextSeparately = true;
selectionFillColor = foreground;
}
if (RenderStyle* pseudoStyle = object()->getCachedPseudoStyle(RenderStyle::SELECTION)) {
ShadowData* shadow = paintInfo.forceBlackText ? 0 : pseudoStyle->textShadow();
if (shadow != selectionShadow) {
if (!paintSelectedTextOnly)
paintSelectedTextSeparately = true;
selectionShadow = shadow;
}
float strokeWidth = pseudoStyle->textStrokeWidth();
if (strokeWidth != selectionStrokeWidth) {
if (!paintSelectedTextOnly)
paintSelectedTextSeparately = true;
selectionStrokeWidth = strokeWidth;
}
Color stroke = paintInfo.forceBlackText ? Color::black : pseudoStyle->textStrokeColor();
if (!stroke.isValid())
stroke = pseudoStyle->color();
if (stroke != selectionStrokeColor) {
if (!paintSelectedTextOnly)
paintSelectedTextSeparately = true;
selectionStrokeColor = stroke;
}
}
}
IntPoint textOrigin(m_x + tx, m_y + ty + m_baseline);
TextRun textRun(textObject()->text()->characters() + m_start, m_len, textObject()->allowTabs(), textPos(), m_toAdd, direction() == RTL, m_dirOverride || styleToUse->visuallyOrdered());
int sPos = 0;
int ePos = 0;
if (paintSelectedTextOnly || paintSelectedTextSeparately)
selectionStartEnd(sPos, ePos);
if (!paintSelectedTextOnly) {
// For stroked painting, we have to change the text drawing mode. It's probably dangerous to leave that mutated as a side
// effect, so only when we know we're stroking, do a save/restore.
if (textStrokeWidth > 0)
context->save();
updateGraphicsContext(context, textFillColor, textStrokeColor, textStrokeWidth);
if (!paintSelectedTextSeparately || ePos <= sPos) {
// FIXME: Truncate right-to-left text correctly.
paintTextWithShadows(context, textRun, 0, m_truncation == cNoTruncation ? m_len : m_truncation, textOrigin, m_x + tx, m_y + ty, width(), height(), textShadow, textStrokeWidth > 0);
} else
paintTextWithShadows(context, textRun, ePos, sPos, textOrigin, m_x + tx, m_y + ty, width(), height(), textShadow, textStrokeWidth > 0);
if (textStrokeWidth > 0)
context->restore();
}
if ((paintSelectedTextOnly || paintSelectedTextSeparately) && sPos < ePos) {
// paint only the text that is selected
if (selectionStrokeWidth > 0)
context->save();
updateGraphicsContext(context, selectionFillColor, selectionStrokeColor, selectionStrokeWidth);
paintTextWithShadows(context, textRun, sPos, ePos, textOrigin, m_x + tx, m_y + ty, width(), height(), selectionShadow, selectionStrokeWidth > 0);
if (selectionStrokeWidth > 0)
context->restore();
}
// Paint decorations
if (d != TDNONE && paintInfo.phase != PaintPhaseSelection && styleToUse->htmlHacks()) {
context->setStrokeColor(styleToUse->color());
paintDecoration(context, tx, ty, d, textShadow);
}
if (paintInfo.phase == PaintPhaseForeground) {
paintDocumentMarkers(context, tx, ty, styleToUse, font, false);
if (useCustomUnderlines) {
const Vector<CompositionUnderline>& underlines = object()->document()->frame()->editor()->customCompositionUnderlines();
size_t numUnderlines = underlines.size();
for (size_t index = 0; index < numUnderlines; ++index) {
const CompositionUnderline& underline = underlines[index];
if (underline.endOffset <= start())
// underline is completely before this run. This might be an underline that sits
// before the first run we draw, or underlines that were within runs we skipped
// due to truncation.
continue;
if (underline.startOffset <= end()) {
// underline intersects this run. Paint it.
paintCompositionUnderline(context, tx, ty, underline);
if (underline.endOffset > end() + 1)
// underline also runs into the next run. Bail now, no more marker advancement.
break;
} else
// underline is completely after this run, bail. A later run will paint it.
break;
}
}
}
}