void QSvgFont::draw(QPainter *p, const QPointF &point, const QString &str, qreal pixelSize, Qt::Alignment alignment) const
{
p->save();
p->translate(point);
p->scale(pixelSize / m_unitsPerEm, -pixelSize / m_unitsPerEm);
// Calculate the text width to be used for alignment
int textWidth = 0;
QString::const_iterator itr = str.constBegin();
for ( ; itr != str.constEnd(); ++itr) {
QChar unicode = *itr;
if (!m_glyphs.contains(*itr)) {
unicode = 0;
if (!m_glyphs.contains(unicode))
continue;
}
textWidth += static_cast<int>(m_glyphs[unicode].m_horizAdvX);
}
QPoint alignmentOffset(0, 0);
if (alignment == Qt::AlignHCenter) {
alignmentOffset.setX(-textWidth / 2);
} else if (alignment == Qt::AlignRight) {
alignmentOffset.setX(-textWidth);
}
p->translate(alignmentOffset);
// since in SVG the embedded font ain't really a path
// the outline has got to stay untransformed...
qreal penWidth = p->pen().widthF();
penWidth /= (pixelSize/m_unitsPerEm);
QPen pen = p->pen();
pen.setWidthF(penWidth);
p->setPen(pen);
itr = str.constBegin();
for ( ; itr != str.constEnd(); ++itr) {
QChar unicode = *itr;
if (!m_glyphs.contains(*itr)) {
unicode = 0;
if (!m_glyphs.contains(unicode))
continue;
}
p->drawPath(m_glyphs[unicode].m_path);
p->translate(m_glyphs[unicode].m_horizAdvX, 0);
}
p->restore();
}
CodePointBreakIterator*
CodePointBreakIterator::createBufferClone(void *stackBuffer,
int32_t &bufferSize,
UErrorCode &status) {
if (U_FAILURE(status)) {
return nullptr;
}
if (bufferSize <= 0) {
bufferSize = sizeof(CodePointBreakIterator) + alignmentOffsetUp(0);
return nullptr;
}
char *buf = static_cast<char*>(stackBuffer);
uint32_t s = bufferSize;
if (!stackBuffer) {
s = 0;
}
if (alignmentOffset(stackBuffer) != 0) {
uint32_t offsetUp = (uint32_t)alignmentOffsetUp(buf);
s -= offsetUp;
buf += offsetUp;
}
if (s < sizeof(CodePointBreakIterator)) {
CodePointBreakIterator *clonedBI = new CodePointBreakIterator(*this);
if (!clonedBI) {
status = U_MEMORY_ALLOCATION_ERROR;
} else {
status = U_SAFECLONE_ALLOCATED_WARNING;
}
return clonedBI;
}
return new(buf) CodePointBreakIterator(*this);
}
// TODO: Check whether this function should be moved into MapObject::bounds
static void align(QRectF &r, Alignment alignment)
{
r.translate(-alignmentOffset(r, alignment));
}
inline size_t alignmentOffsetUp(void *ptr) {
return sizeof(UAlignedMemory) - alignmentOffset(ptr);
}
