FloatRect Font::selectionRectForSimpleText(const TextRun& run, const FloatPoint& pt, int h, int from, int to) const
{
String sanitized = Font::normalizeSpaces(run.characters(), run.length());
QString wholeText = fromRawDataWithoutRef(sanitized);
QString selectedText = fromRawDataWithoutRef(sanitized, from, qMin(to - from, wholeText.length() - from));
int startX = QFontMetrics(font()).width(wholeText, from, Qt::TextBypassShaping);
int width = QFontMetrics(font()).width(selectedText, -1, Qt::TextBypassShaping);
return FloatRect(pt.x() + startX, pt.y(), width, h);
}
FloatRect Font::selectionRectForSimpleText(const TextRun& run, const IntPoint& pt, int h, int from, int to) const
{
#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
String sanitized = Font::normalizeSpaces(String(run.characters(), run.length()));
QString wholeText = fromRawDataWithoutRef(sanitized);
QString selectedText = fromRawDataWithoutRef(sanitized, from, to - from);
int startX = QFontMetrics(font()).width(wholeText, from, Qt::TextBypassShaping);
int width = QFontMetrics(font()).width(selectedText, -1, Qt::TextBypassShaping);
return FloatRect(pt.x() + startX, pt.y(), width, h);
#else
Q_ASSERT(false);
return FloatRect();
#endif
}
int Font::offsetForPositionForSimpleText(const TextRun& run, int position, bool includePartialGlyphs) const
{
#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
String sanitized = Font::normalizeSpaces(String(run.characters(), run.length()));
QString string = fromRawDataWithoutRef(sanitized);
QFontMetrics fm(font());
float delta = (float)position;
int curPos = 0;
do {
float charWidth = fm.width(string[curPos]);
delta -= charWidth;
if (includePartialGlyphs) {
if (delta + charWidth / 2 <= 0)
break;
} else {
if (delta + charWidth <= 0)
break;
}
} while (++curPos < string.size());
return curPos;
#else
Q_ASSERT(false);
return 0;
#endif
}
int Font::offsetForPositionForComplexText(const TextRun& run, float position, bool) const
{
String sanitized = Font::normalizeSpaces(run.characters(), run.length());
QString string = fromRawDataWithoutRef(sanitized);
QTextLayout layout(string, font());
QTextLine line = setupLayout(&layout, run);
return line.xToCursor(position);
}
FloatRect Font::selectionRectForComplexText(const TextRun& run, const FloatPoint& pt, int h, int from, int to) const
{
String sanitized = Font::normalizeSpaces(run.characters(), run.length());
QString string = fromRawDataWithoutRef(sanitized);
QTextLayout layout(string, font());
QTextLine line = setupLayout(&layout, run);
float x1 = line.cursorToX(from);
float x2 = line.cursorToX(to);
if (x2 < x1)
qSwap(x1, x2);
return FloatRect(pt.x() + x1, pt.y(), x2 - x1, h);
}
float Font::floatWidthForComplexText(const TextRun& run, HashSet<const SimpleFontData*>*, GlyphOverflow*) const
{
if (!run.length())
return 0;
if (run.length() == 1 && treatAsSpace(run[0]))
return QFontMetrics(font()).width(space) + run.padding();
String sanitized = Font::normalizeSpaces(String(run.characters(), run.length()));
QString string = fromRawDataWithoutRef(sanitized);
int w = QFontMetrics(font()).width(string);
// WebKit expects us to ignore word spacing on the first character (as opposed to what Qt does)
if (treatAsSpace(run[0]))
w -= m_wordSpacing;
return w + run.padding();
}
float Font::floatWidthForSimpleText(const TextRun& run, GlyphBuffer* glyphBuffer, HashSet<const SimpleFontData*>* fallbackFonts, GlyphOverflow* glyphOverflow) const
{
if (!primaryFont()->platformData().size())
return 0;
if (!run.length())
return 0;
String sanitized = Font::normalizeSpaces(run.characters(), run.length());
QString string = fromRawDataWithoutRef(sanitized);
int w = QFontMetrics(font()).width(string, -1, Qt::TextBypassShaping);
// WebKit expects us to ignore word spacing on the first character (as opposed to what Qt does)
if (treatAsSpace(run[0]))
w -= m_wordSpacing;
return w + run.expansion();
}
float Font::floatWidthForSimpleText(const TextRun& run, GlyphBuffer* glyphBuffer, HashSet<const SimpleFontData*>* fallbackFonts, GlyphOverflow* glyphOverflow) const
{
#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
if (!run.length())
return 0;
String sanitized = Font::normalizeSpaces(String(run.characters(), run.length()));
QString string = fromRawDataWithoutRef(sanitized);
int w = QFontMetrics(font()).width(string, -1, Qt::TextBypassShaping);
// WebKit expects us to ignore word spacing on the first character (as opposed to what Qt does)
if (treatAsSpace(run[0]))
w -= m_wordSpacing;
return w + run.padding();
#else
Q_ASSERT(false);
return 0.0f;
#endif
}
int Font::offsetForPositionForSimpleText(const TextRun& run, float position, bool includePartialGlyphs) const
{
String sanitized = Font::normalizeSpaces(run.characters(), run.length());
QString string = fromRawDataWithoutRef(sanitized);
QFontMetrics fm(font());
float delta = position;
int curPos = 0;
do {
float charWidth = fm.width(string[curPos]);
delta -= charWidth;
if (includePartialGlyphs) {
if (delta + charWidth / 2 <= 0)
break;
} else {
if (delta + charWidth <= 0)
break;
}
} while (++curPos < string.size());
return curPos;
}
static void drawTextCommon(GraphicsContext* ctx, const TextRun& run, const FloatPoint& point, int from, int to, const QFont& font, bool isComplexText)
{
if (to < 0)
to = run.length();
QPainter *p = ctx->platformContext();
QPen textFillPen;
if (ctx->textDrawingMode() & TextModeFill)
textFillPen = fillPenForContext(ctx);
QPen textStrokePen;
if (ctx->textDrawingMode() & TextModeStroke)
textStrokePen = strokePenForContext(ctx);
String sanitized = Font::normalizeSpaces(run.characters(), run.length());
QString string = fromRawDataWithoutRef(sanitized);
QPointF pt(point.x(), point.y());
if (from > 0 || to < run.length()) {
if (isComplexText) {
QTextLayout layout(string, font);
QTextLine line = setupLayout(&layout, run);
float x1 = line.cursorToX(from);
float x2 = line.cursorToX(to);
if (x2 < x1)
qSwap(x1, x2);
QFontMetrics fm(font);
int ascent = fm.ascent();
QRectF boundingRect(point.x() + x1, point.y() - ascent, x2 - x1, fm.height());
QRectF clip = boundingRect;
ContextShadow* ctxShadow = ctx->contextShadow();
if (ctxShadow->m_type != ContextShadow::NoShadow) {
qreal dx1 = 0, dx2 = 0, dy1 = 0, dy2 = 0;
if (ctxShadow->offset().x() > 0)
dx2 = ctxShadow->offset().x();
else
dx1 = -ctxShadow->offset().x();
if (ctxShadow->offset().y() > 0)
dy2 = ctxShadow->offset().y();
else
dy1 = -ctxShadow->offset().y();
// expand the clip rect to include the text shadow as well
clip.adjust(dx1, dx2, dy1, dy2);
clip.adjust(-ctxShadow->m_blurDistance, -ctxShadow->m_blurDistance, ctxShadow->m_blurDistance, ctxShadow->m_blurDistance);
}
p->save();
p->setClipRect(clip.toRect(), Qt::IntersectClip);
pt.setY(pt.y() - ascent);
if (ctxShadow->m_type != ContextShadow::NoShadow) {
ContextShadow* ctxShadow = ctx->contextShadow();
if (!ctxShadow->mustUseContextShadow(ctx)) {
p->save();
p->setPen(ctxShadow->m_color);
p->translate(ctxShadow->offset());
line.draw(p, pt);
p->restore();
} else {
QPainter* shadowPainter = ctxShadow->beginShadowLayer(ctx, boundingRect);
if (shadowPainter) {
// Since it will be blurred anyway, we don't care about render hints.
shadowPainter->setFont(p->font());
shadowPainter->setPen(ctxShadow->m_color);
line.draw(shadowPainter, pt);
ctxShadow->endShadowLayer(ctx);
}
}
}
p->setPen(textFillPen);
line.draw(p, pt);
p->restore();
return;
}
int skipWidth = QFontMetrics(font).width(string, from, Qt::TextBypassShaping);
pt.setX(pt.x() + skipWidth);
string = fromRawDataWithoutRef(sanitized, from, to - from);
}
p->setFont(font);
int flags = run.rtl() ? Qt::TextForceRightToLeft : Qt::TextForceLeftToRight;
if (!isComplexText && !(ctx->textDrawingMode() & TextModeStroke))
flags |= Qt::TextBypassShaping;
QPainterPath textStrokePath;
if (ctx->textDrawingMode() & TextModeStroke)
textStrokePath.addText(pt, font, string);
ContextShadow* ctxShadow = ctx->contextShadow();
if (ctxShadow->m_type != ContextShadow::NoShadow) {
if (ctx->textDrawingMode() & TextModeFill) {
if (ctxShadow->m_type != ContextShadow::BlurShadow) {
p->save();
p->setPen(ctxShadow->m_color);
p->translate(ctxShadow->offset());
p->drawText(pt, string, flags, run.expansion());
p->restore();
} else {
QFontMetrics fm(font);
QRectF boundingRect(pt.x(), point.y() - fm.ascent(), fm.width(string, -1, flags), fm.height());
QPainter* shadowPainter = ctxShadow->beginShadowLayer(ctx, boundingRect);
if (shadowPainter) {
// Since it will be blurred anyway, we don't care about render hints.
shadowPainter->setFont(p->font());
shadowPainter->setPen(ctxShadow->m_color);
shadowPainter->drawText(pt, string, flags, run.expansion());
ctxShadow->endShadowLayer(ctx);
}
}
} else if (ctx->textDrawingMode() & TextModeStroke) {
if (ctxShadow->m_type != ContextShadow::BlurShadow) {
p->translate(ctxShadow->offset());
p->strokePath(textStrokePath, QPen(ctxShadow->m_color));
p->translate(-ctxShadow->offset());
} else {
QFontMetrics fm(font);
QRectF boundingRect(pt.x(), point.y() - fm.ascent(), fm.width(string, -1, flags), fm.height());
QPainter* shadowPainter = ctxShadow->beginShadowLayer(ctx, boundingRect);
if (shadowPainter) {
// Since it will be blurred anyway, we don't care about render hints.
shadowPainter->setFont(p->font());
shadowPainter->strokePath(textStrokePath, QPen(ctxShadow->m_color));
ctxShadow->endShadowLayer(ctx);
}
}
}
}
if (ctx->textDrawingMode() & TextModeStroke)
p->strokePath(textStrokePath, textStrokePen);
if (ctx->textDrawingMode() & TextModeFill) {
QPen previousPen = p->pen();
p->setPen(textFillPen);
p->drawText(pt, string, flags, run.expansion());
p->setPen(previousPen);
}
}
static void drawTextCommon(GraphicsContext* ctx, const TextRun& run, const FloatPoint& point, int from, int to, const QFont& font, bool isComplexText)
{
if (to < 0)
to = run.length();
QPainter *p = ctx->platformContext();
QPen textFillPen;
if (ctx->textDrawingMode() & cTextFill) {
if (ctx->fillGradient()) {
QBrush brush(*ctx->fillGradient()->platformGradient());
brush.setTransform(ctx->fillGradient()->gradientSpaceTransform());
textFillPen = QPen(brush, 0);
} else if (ctx->fillPattern()) {
AffineTransform affine;
textFillPen = QPen(QBrush(ctx->fillPattern()->createPlatformPattern(affine)), 0);
} else
textFillPen = QPen(QColor(ctx->fillColor()));
}
QPen textStrokePen;
if (ctx->textDrawingMode() & cTextStroke) {
if (ctx->strokeGradient()) {
QBrush brush(*ctx->strokeGradient()->platformGradient());
brush.setTransform(ctx->strokeGradient()->gradientSpaceTransform());
textStrokePen = QPen(brush, ctx->strokeThickness());
} else if (ctx->strokePattern()) {
AffineTransform affine;
QBrush brush(ctx->strokePattern()->createPlatformPattern(affine));
textStrokePen = QPen(brush, ctx->strokeThickness());
} else
textStrokePen = QPen(QColor(ctx->strokeColor()), ctx->strokeThickness());
}
String sanitized = Font::normalizeSpaces(String(run.characters(), run.length()));
QString string = fromRawDataWithoutRef(sanitized);
QPointF pt(point.x(), point.y());
// text shadow
IntSize shadowSize;
int shadowBlur;
Color shadowColor;
bool hasShadow = ctx->textDrawingMode() == cTextFill && ctx->getShadow(shadowSize, shadowBlur, shadowColor);
if (from > 0 || to < run.length()) {
if (isComplexText) {
QTextLayout layout(string, font);
QTextLine line = setupLayout(&layout, run);
float x1 = line.cursorToX(from);
float x2 = line.cursorToX(to);
if (x2 < x1)
qSwap(x1, x2);
QFontMetrics fm(font);
int ascent = fm.ascent();
QRectF clip(fm.boundingRect(string));
if (hasShadow) {
// TODO: when blur support is added, the clip will need to account
// for the blur radius
qreal dx1 = 0, dx2 = 0, dy1 = 0, dy2 = 0;
if (shadowSize.width() > 0)
dx2 = shadowSize.width();
else
dx1 = -shadowSize.width();
if (shadowSize.height() > 0)
dy2 = shadowSize.height();
else
dy1 = -shadowSize.height();
// expand the clip rect to include the text shadow as well
clip.adjust(dx1, dx2, dy1, dy2);
}
p->save();
//p->setClipRect(clip.toRect(), Qt::IntersectClip);
pt.setY(pt.y() - ascent);
if (hasShadow) {
p->save();
p->setPen(QColor(shadowColor));
p->translate(shadowSize.width(), shadowSize.height());
line.draw(p, pt);
p->restore();
}
p->setPen(textFillPen);
line.draw(p, pt);
p->restore();
return;
}
#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
int skipWidth = QFontMetrics(font).width(string, from, Qt::TextBypassShaping);
pt.setX(pt.x() + skipWidth);
string = fromRawDataWithoutRef(sanitized, from, to - from);
#endif
}
p->setFont(font);
int flags = run.rtl() ? Qt::TextForceRightToLeft : Qt::TextForceLeftToRight;
#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
// See QWebPagePrivate::QWebPagePrivate() where the default path is set to Complex for Qt 4.6 and earlier.
if (!isComplexText)
flags |= Qt::TextBypassShaping;
#endif
QFontMetrics fm(font);
QRectF clip(pt.x(), pt.y()-fm.ascent(), fm.width(string, -1, flags), fm.height());
if (hasShadow) {
// TODO: text shadow blur support
p->save();
p->translate(shadowSize.width(), shadowSize.height());
//p->setClipRect(clip, Qt::IntersectClip);
p->setPen(QColor(shadowColor));
p->drawText(pt, string, flags, run.padding());
p->restore();
}
if (ctx->textDrawingMode() & cTextStroke) {
QPainterPath path;
path.addText(pt, font, string);
p->save();
//p->setClipRect(clip, Qt::IntersectClip);
p->setPen(textStrokePen);
p->strokePath(path, p->pen());
p->restore();
}
if (ctx->textDrawingMode() & cTextFill) {
p->save();
//p->setClipRect(clip, Qt::IntersectClip);
p->setPen(textFillPen);
p->drawText(pt, string, flags, run.padding());
p->restore();
}
}
static void drawTextCommon(GraphicsContext* ctx, const TextRun& run, const FloatPoint& point, int from, int to, const QFont& font, bool isComplexText)
{
if (to < 0)
to = run.length();
QPainter *p = ctx->platformContext();
QPen textFillPen;
if (ctx->textDrawingMode() & TextModeFill) {
if (ctx->fillGradient()) {
QBrush brush(*ctx->fillGradient()->platformGradient());
brush.setTransform(ctx->fillGradient()->gradientSpaceTransform());
textFillPen = QPen(brush, 0);
} else if (ctx->fillPattern()) {
AffineTransform affine;
textFillPen = QPen(QBrush(ctx->fillPattern()->createPlatformPattern(affine)), 0);
} else
textFillPen = QPen(QColor(ctx->fillColor()));
}
QPen textStrokePen;
if (ctx->textDrawingMode() & TextModeStroke) {
if (ctx->strokeGradient()) {
QBrush brush(*ctx->strokeGradient()->platformGradient());
brush.setTransform(ctx->strokeGradient()->gradientSpaceTransform());
textStrokePen = QPen(brush, ctx->strokeThickness());
} else if (ctx->strokePattern()) {
AffineTransform affine;
QBrush brush(ctx->strokePattern()->createPlatformPattern(affine));
textStrokePen = QPen(brush, ctx->strokeThickness());
} else
textStrokePen = QPen(QColor(ctx->strokeColor()), ctx->strokeThickness());
}
String sanitized = Font::normalizeSpaces(String(run.characters(), run.length()));
QString string = fromRawDataWithoutRef(sanitized);
QPointF pt(point.x(), point.y());
if (from > 0 || to < run.length()) {
if (isComplexText) {
QTextLayout layout(string, font);
QTextLine line = setupLayout(&layout, run);
float x1 = line.cursorToX(from);
float x2 = line.cursorToX(to);
if (x2 < x1)
qSwap(x1, x2);
QFontMetrics fm(font);
int ascent = fm.ascent();
QRectF boundingRect(point.x() + x1, point.y() - ascent, x2 - x1, fm.height());
QRectF clip = boundingRect;
ContextShadow* ctxShadow = ctx->contextShadow();
if (ctxShadow->m_type != ContextShadow::NoShadow) {
qreal dx1 = 0, dx2 = 0, dy1 = 0, dy2 = 0;
if (ctxShadow->offset().x() > 0)
dx2 = ctxShadow->offset().x();
else
dx1 = -ctxShadow->offset().x();
if (ctxShadow->offset().y() > 0)
dy2 = ctxShadow->offset().y();
else
dy1 = -ctxShadow->offset().y();
// expand the clip rect to include the text shadow as well
clip.adjust(dx1, dx2, dy1, dy2);
clip.adjust(-ctxShadow->m_blurDistance, -ctxShadow->m_blurDistance, ctxShadow->m_blurDistance, ctxShadow->m_blurDistance);
}
p->save();
p->setClipRect(clip.toRect(), Qt::IntersectClip);
pt.setY(pt.y() - ascent);
if (ctxShadow->m_type != ContextShadow::NoShadow) {
ContextShadow* ctxShadow = ctx->contextShadow();
if (!ctxShadow->mustUseContextShadow(p)) {
p->save();
p->setPen(ctxShadow->m_color);
p->translate(ctxShadow->offset());
line.draw(p, pt);
p->restore();
} else {
QPainter* shadowPainter = ctxShadow->beginShadowLayer(p, boundingRect);
if (shadowPainter) {
// Since it will be blurred anyway, we don't care about render hints.
shadowPainter->setFont(p->font());
shadowPainter->setPen(ctxShadow->m_color);
line.draw(shadowPainter, pt);
ctxShadow->endShadowLayer(p);
}
}
}
p->setPen(textFillPen);
line.draw(p, pt);
p->restore();
return;
}
#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
int skipWidth = QFontMetrics(font).width(string, from, Qt::TextBypassShaping);
pt.setX(pt.x() + skipWidth);
string = fromRawDataWithoutRef(sanitized, from, to - from);
#endif
}
p->setFont(font);
int flags = run.rtl() ? Qt::TextForceRightToLeft : Qt::TextForceLeftToRight;
#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
// See QWebPagePrivate::QWebPagePrivate() where the default path is set to Complex for Qt 4.6 and earlier.
if (!isComplexText && !(ctx->textDrawingMode() & TextModeStroke))
flags |= Qt::TextBypassShaping;
#endif
QPainterPath textStrokePath;
if (ctx->textDrawingMode() & TextModeStroke)
textStrokePath.addText(pt, font, string);
ContextShadow* ctxShadow = ctx->contextShadow();
if (ctxShadow->m_type != ContextShadow::NoShadow) {
if (ctx->textDrawingMode() & TextModeFill) {
if (ctxShadow->m_type != ContextShadow::BlurShadow) {
p->save();
p->setPen(ctxShadow->m_color);
p->translate(ctxShadow->offset());
p->drawText(pt, string, flags, run.padding());
p->restore();
} else {
QFontMetrics fm(font);
#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
QRectF boundingRect(pt.x(), point.y() - fm.ascent(), fm.width(string, -1, flags), fm.height());
#else
QRectF boundingRect(pt.x(), point.y() - fm.ascent(), fm.width(string), fm.height());
#endif
QPainter* shadowPainter = ctxShadow->beginShadowLayer(p, boundingRect);
if (shadowPainter) {
// Since it will be blurred anyway, we don't care about render hints.
shadowPainter->setFont(p->font());
shadowPainter->setPen(ctxShadow->m_color);
shadowPainter->drawText(pt, string, flags, run.padding());
ctxShadow->endShadowLayer(p);
}
}
} else if (ctx->textDrawingMode() & TextModeStroke) {
if (ctxShadow->m_type != ContextShadow::BlurShadow) {
p->translate(ctxShadow->offset());
p->strokePath(textStrokePath, QPen(ctxShadow->m_color));
p->translate(-ctxShadow->offset());
} else {
QFontMetrics fm(font);
#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
QRectF boundingRect(pt.x(), point.y() - fm.ascent(), fm.width(string, -1, flags), fm.height());
#else
QRectF boundingRect(pt.x(), point.y() - fm.ascent(), fm.width(string), fm.height());
#endif
QPainter* shadowPainter = ctxShadow->beginShadowLayer(p, boundingRect);
if (shadowPainter) {
// Since it will be blurred anyway, we don't care about render hints.
shadowPainter->setFont(p->font());
shadowPainter->strokePath(textStrokePath, QPen(ctxShadow->m_color));
ctxShadow->endShadowLayer(p);
}
}
}
}
if (ctx->textDrawingMode() & TextModeStroke)
p->strokePath(textStrokePath, textStrokePen);
if (ctx->textDrawingMode() & TextModeFill) {
QPen previousPen = p->pen();
p->setPen(textFillPen);
p->drawText(pt, string, flags, run.padding());
p->setPen(previousPen);
}
}
