void QQuickTextNodeEngine::BinaryTreeNode::insert(QVarLengthArray<BinaryTreeNode, 16> *binaryTree, const QGlyphRun &glyphRun, SelectionState selectionState,
QQuickTextNode::Decorations decorations, const QColor &textColor,
const QColor &backgroundColor, const QPointF &position)
{
QRectF searchRect = glyphRun.boundingRect();
searchRect.translate(position);
if (qFuzzyIsNull(searchRect.width()) || qFuzzyIsNull(searchRect.height()))
return;
decorations |= (glyphRun.underline() ? QQuickTextNode::Underline : QQuickTextNode::NoDecoration);
decorations |= (glyphRun.overline() ? QQuickTextNode::Overline : QQuickTextNode::NoDecoration);
decorations |= (glyphRun.strikeOut() ? QQuickTextNode::StrikeOut : QQuickTextNode::NoDecoration);
decorations |= (backgroundColor.isValid() ? QQuickTextNode::Background : QQuickTextNode::NoDecoration);
qreal ascent = glyphRun.rawFont().ascent();
insert(binaryTree, BinaryTreeNode(glyphRun,
selectionState,
searchRect,
decorations,
textColor,
backgroundColor,
position,
ascent));
}
void tst_QRawFont::textLayout()
{
QFontDatabase fontDatabase;
int id = fontDatabase.addApplicationFont(SRCDIR "testfont.ttf");
QVERIFY(id >= 0);
QString familyName = QString::fromLatin1("QtBidiTestFont");
QFont font(familyName);
font.setPixelSize(18.0);
QCOMPARE(QFontInfo(font).family(), familyName);
QTextLayout layout(QLatin1String("Foobar"));
layout.setFont(font);
layout.beginLayout();
layout.createLine();
layout.endLayout();
QList<QGlyphRun> glyphRuns = layout.glyphRuns();
QCOMPARE(glyphRuns.size(), 1);
QGlyphRun glyphs = glyphRuns.at(0);
QRawFont rawFont = glyphs.rawFont();
QVERIFY(rawFont.isValid());
QCOMPARE(rawFont.familyName(), familyName);
QCOMPARE(rawFont.pixelSize(), 18.0);
QVector<quint32> expectedGlyphIndices;
expectedGlyphIndices << 44 << 83 << 83 << 70 << 69 << 86;
QCOMPARE(glyphs.glyphIndexes(), expectedGlyphIndices);
QVERIFY(fontDatabase.removeApplicationFont(id));
}
void QSGTextNode::addTextLayout(const QPointF &position, QTextLayout *textLayout, const QColor &color,
QSGText::TextStyle style, const QColor &styleColor)
{
QList<QGlyphRun> glyphsList(textLayout->glyphRuns());
QSGGlyphNode *prevNode = 0;
QFont font = textLayout->font();
qreal underlinePosition, ascent, lineThickness;
int decorations = NoDecoration;
decorations |= (font.underline() ? Underline : 0);
decorations |= (font.overline() ? Overline : 0);
decorations |= (font.strikeOut() ? StrikeOut : 0);
underlinePosition = ascent = lineThickness = 0;
for (int i=0; i<glyphsList.size(); ++i) {
QGlyphRun glyphs = glyphsList.at(i);
QRawFont rawfont = glyphs.rawFont();
prevNode = addGlyphs(position + QPointF(0, rawfont.ascent()), glyphs, color, style, styleColor);
if (decorations) {
qreal rawAscent = rawfont.ascent();
if (decorations & Underline) {
ascent = qMax(ascent, rawAscent);
qreal pos = rawfont.underlinePosition();
if (pos > underlinePosition) {
underlinePosition = pos;
// take line thickness from the rawfont with maximum underline
// position in this case
lineThickness = rawfont.lineThickness();
}
} else {
// otherwise it's strike out or overline, we take line thickness
// from the rawfont with maximum ascent
if (rawAscent > ascent) {
ascent = rawAscent;
lineThickness = rawfont.lineThickness();
}
}
}
}
if (decorations) {
addTextDecorations(Decoration(decorations), position + QPointF(0, ascent), color,
textLayout->boundingRect().width(),
lineThickness, underlinePosition, ascent);
}
}
void tst_QRawFont::unsupportedWritingSystem()
{
QFETCH(QFont::HintingPreference, hintingPreference);
QFontDatabase fontDatabase;
int id = fontDatabase.addApplicationFont(QLatin1String(SRCDIR "testfont.ttf"));
QFont font("QtBidiTestFont");
font.setHintingPreference(hintingPreference);
font.setPixelSize(12.0);
QRawFont rawFont = QRawFont::fromFont(font, QFontDatabase::Any);
QCOMPARE(rawFont.familyName(), QString::fromLatin1("QtBidiTestFont"));
QCOMPARE(rawFont.pixelSize(), 12.0);
rawFont = QRawFont::fromFont(font, QFontDatabase::Hebrew);
QCOMPARE(rawFont.familyName(), QString::fromLatin1("QtBidiTestFont"));
QCOMPARE(rawFont.pixelSize(), 12.0);
QString arabicText = QFontDatabase::writingSystemSample(QFontDatabase::Arabic);
QTextLayout layout;
layout.setFont(font);
layout.setText(arabicText);
layout.beginLayout();
layout.createLine();
layout.endLayout();
QList<QGlyphRun> glyphRuns = layout.glyphRuns();
QCOMPARE(glyphRuns.size(), 1);
QGlyphRun glyphs = glyphRuns.at(0);
QRawFont layoutFont = glyphs.rawFont();
QVERIFY(layoutFont.familyName() != QString::fromLatin1("QtBidiTestFont"));
QCOMPARE(layoutFont.pixelSize(), 12.0);
rawFont = QRawFont::fromFont(font, QFontDatabase::Arabic);
QCOMPARE(rawFont.familyName(), layoutFont.familyName());
QCOMPARE(rawFont.pixelSize(), 12.0);
fontDatabase.removeApplicationFont(id);
}
void tst_QRawFont::rawFontSetPixelSize()
{
QFETCH(QFont::HintingPreference, hintingPreference);
QTextLayout layout("Foobar");
QFont font = layout.font();
font.setHintingPreference(hintingPreference);
font.setPixelSize(12);
layout.setFont(font);
layout.beginLayout();
layout.createLine();
layout.endLayout();
QGlyphRun glyphs = layout.glyphRuns().at(0);
QRawFont rawFont = glyphs.rawFont();
QCOMPARE(rawFont.pixelSize(), 12.0);
rawFont.setPixelSize(24);
QCOMPARE(rawFont.pixelSize(), 24.0);
}
void QSGDefaultGlyphNode::setGlyphs(const QPointF &position, const QGlyphRun &glyphs)
{
if (m_material != 0)
delete m_material;
QRawFont font = glyphs.rawFont();
m_material = new QSGTextMaskMaterial(font);
m_material->setColor(m_color);
QRectF boundingRect;
m_material->populate(position, glyphs.glyphIndexes(), glyphs.positions(), geometry(),
&boundingRect, &m_baseLine);
setMaterial(m_material);
setBoundingRect(boundingRect);
markDirty(DirtyGeometry);
#ifdef QML_RUNTIME_TESTING
description = QLatin1String("glyphs");
#endif
}
void QSGTextNode::addTextBlock(const QPointF &position, QTextDocument *textDocument, const QTextBlock &block,
const QColor &overrideColor, QSGText::TextStyle style, const QColor &styleColor)
{
if (!block.isValid())
return;
QPointF blockPosition = textDocument->documentLayout()->blockBoundingRect(block).topLeft();
QTextBlock::iterator it = block.begin();
while (!it.atEnd()) {
QTextFragment fragment = it.fragment();
if (!fragment.text().isEmpty()) {
QTextCharFormat charFormat = fragment.charFormat();
QColor color = overrideColor.isValid()
? overrideColor
: charFormat.foreground().color();
QList<QGlyphRun> glyphsList = fragment.glyphRuns();
for (int i=0; i<glyphsList.size(); ++i) {
QGlyphRun glyphs = glyphsList.at(i);
QRawFont font = glyphs.rawFont();
QSGGlyphNode *glyphNode = addGlyphs(position + blockPosition + QPointF(0, font.ascent()),
glyphs, color, style, styleColor);
int decorations = (glyphs.overline() ? Overline : 0) |
(glyphs.strikeOut() ? StrikeOut : 0) |
(glyphs.underline() ? Underline : 0);
if (decorations) {
QPointF baseLine = glyphNode->baseLine();
qreal width = glyphNode->boundingRect().width();
addTextDecorations(Decoration(decorations), baseLine, color, width,
font.lineThickness(), font.underlinePosition(), font.ascent());
}
}
}
++it;
}
}
void QQuickTextNodeEngine::addToSceneGraph(QQuickTextNode *parentNode,
QQuickText::TextStyle style,
const QColor &styleColor)
{
if (m_currentLine.isValid())
processCurrentLine();
for (int i=0; i<m_backgrounds.size(); ++i) {
const QRectF &rect = m_backgrounds.at(i).first;
const QColor &color = m_backgrounds.at(i).second;
parentNode->appendChildNode(new QSGSimpleRectNode(rect, color));
}
// First, prepend all selection rectangles to the tree
for (int i=0; i<m_selectionRects.size(); ++i) {
const QRectF &rect = m_selectionRects.at(i);
parentNode->appendChildNode(new QSGSimpleRectNode(rect, m_selectionColor));
}
// Finally, add decorations for each node to the tree.
for (int i=0; i<m_lines.size(); ++i) {
const TextDecoration &textDecoration = m_lines.at(i);
QColor color = textDecoration.selectionState == Selected
? m_selectedTextColor
: textDecoration.color;
parentNode->appendChildNode(new QSGSimpleRectNode(textDecoration.rect, color));
}
// Then, go through all the nodes for all lines and combine all QGlyphRuns with a common
// font, selection state and clip node.
typedef QPair<QFontEngine *, QPair<QQuickDefaultClipNode *, QPair<QRgb, int> > > KeyType;
QHash<KeyType, BinaryTreeNode *> map;
QList<BinaryTreeNode *> nodes;
for (int i = 0; i < m_processedNodes.size(); ++i) {
BinaryTreeNode *node = m_processedNodes.data() + i;
if (node->image.isNull()) {
QGlyphRun glyphRun = node->glyphRun;
QRawFont rawFont = glyphRun.rawFont();
QRawFontPrivate *rawFontD = QRawFontPrivate::get(rawFont);
QFontEngine *fontEngine = rawFontD->fontEngine;
KeyType key(qMakePair(fontEngine,
qMakePair(node->clipNode,
qMakePair(node->color.rgba(), int(node->selectionState)))));
BinaryTreeNode *otherNode = map.value(key, 0);
if (otherNode != 0) {
QGlyphRun &otherGlyphRun = otherNode->glyphRun;
QVector<quint32> otherGlyphIndexes = otherGlyphRun.glyphIndexes();
QVector<QPointF> otherGlyphPositions = otherGlyphRun.positions();
otherGlyphIndexes += glyphRun.glyphIndexes();
QVector<QPointF> glyphPositions = glyphRun.positions();
otherGlyphPositions.reserve(otherGlyphPositions.size() + glyphPositions.size());
for (int j = 0; j < glyphPositions.size(); ++j) {
otherGlyphPositions += glyphPositions.at(j) + (node->position - otherNode->position);
}
otherGlyphRun.setGlyphIndexes(otherGlyphIndexes);
otherGlyphRun.setPositions(otherGlyphPositions);
} else {
map.insert(key, node);
nodes.append(node);
}
} else {
parentNode->addImage(node->boundingRect, node->image);
if (node->selectionState == Selected) {
QColor color = m_selectionColor;
color.setAlpha(128);
parentNode->appendChildNode(new QSGSimpleRectNode(node->boundingRect, color));
}
}
}
foreach (const BinaryTreeNode *node, nodes) {
QQuickDefaultClipNode *clipNode = node->clipNode;
if (clipNode != 0 && clipNode->parent() == 0 )
parentNode->appendChildNode(clipNode);
QColor color = node->selectionState == Selected
? m_selectedTextColor
: node->color;
parentNode->addGlyphs(node->position, node->glyphRun, color, style, styleColor, clipNode);
}
void BoxBuilder::handleGlyphRun_(const QGlyphRun& glyphRun)
{
QPainter painter_(&pixmap_);
painter_.setPen(glyphPen_);
painter_.drawGlyphRun(glyphPosition_,glyphRun);
QVector<quint32> indices = glyphRun.glyphIndexes();
QVector<QPointF> positions = glyphRun.positions();
if(indices.size() != positions.size())
log_ << "the number of indices and the number of positions are different: "
<< indices.size() << " and " << positions.size() << std::endl;
QVector<QPointF>::Iterator posit = positions.begin();
qreal posx = glyphPosition_.x(),
posy = glyphPosition_.y();
for(QVector<quint32>::iterator ixIt = indices.begin();ixIt != indices.end();++ixIt)
{
QRawFont rawFont = glyphRun.rawFont();
QPainterPath painterPath = rawFont.pathForGlyph(*ixIt);
QRectF glyphBoundingRect = painterPath.boundingRect();
QVector<uint> blockTextIndices(blockText_.length());
int blockTextIndicesSize = blockTextIndices.size();
rawFont.glyphIndexesForChars(blockText_.begin(),blockText_.length(),blockTextIndices.begin(),&blockTextIndicesSize);
std::map<uint,QChar> glyphIndicesToChars;
std::wstring blockTextStdw = blockText_.toStdWString();
// build index for acessing chars in text, since glyphs order may not correspond chars order in text
for(int i = 0; i < blockTextIndices.size(); ++i)
glyphIndicesToChars[blockTextIndices[i] ] = blockText_.at(i);
QChar currentChar = glyphIndicesToChars[*ixIt];
unsigned histValue = 0;
if(histogram.find(currentChar) == histogram.end())
histogram[currentChar] = 0;
else histValue = ++histogram[currentChar];
maxHistogramValue = std::max(maxHistogramValue,histValue);
//std::wcout << "processing \" "<< QString(currentChar).toStdWString() << " \"... " << std::endl;
//
//
//log_ << "glyphBoundingRect = (" << glyphBoundingRect.x() << "," << glyphBoundingRect.y() <<
// "," << glyphBoundingRect.width() << "," << glyphBoundingRect.height() << ")" << std::endl;
QRect screenBoundingRect(
posx + posit->x() + glyphBoundingRect.x(),
posy + posit->y() + glyphBoundingRect.y(),
glyphBoundingRect.width()+1,
glyphBoundingRect.height()+1);
/* log_ << "screen layout position = (" << posx << "," << posy << ")" << std::endl;
log_ << "screen glyph position = (" << posit->x() << "," << posit->y() << ")" << std::endl;
log_ << "screenBoundingRect = (" << screenBoundingRect.x() << "," << screenBoundingRect.y() <<
"," << screenBoundingRect.width() << "," << screenBoundingRect.height() << ")" << std::end*/;
QRect imageBoundingRect(QPoint( screenBoundingRect.x(),
pixmap_.height()-1 - screenBoundingRect.y() - screenBoundingRect.height()+1),
QPoint( screenBoundingRect.x() + screenBoundingRect.width()-1,
pixmap_.height() - screenBoundingRect.y()-1)
);
//log_ << "imageBoundingRect = (" << imageBoundingRect.x() << "," << imageBoundingRect.y() <<
// "," << imageBoundingRect.width() << "," << imageBoundingRect.height() << ")" << std::endl;
if(glyphBoundingRect.width()&&glyphBoundingRect.height())
boxes_.push_back(box(glyphIndicesToChars[*ixIt],imageBoundingRect));
//painter_.setPen(boxPen_);
painter_.setPen(Qt::green);
//painter_.drawRect(screenBoundingRect);
++posit;
}
}
