QRectF
dmz::QtCanvasObjectText::_outline_rect () const {
QRectF rect;
if (_text.length ()) {
const int Padding (8);
QFontMetricsF metrics = qApp->font ();
rect.setSize (metrics.size (0, _text));
if (_drawBackground) {
rect.adjust (-Padding, -Padding, Padding, Padding);
}
if (_alignment == Qt::AlignLeft) {
rect.translate (0, -rect.center ().y ());
}
else if (_alignment == Qt::AlignRight) {
rect.translate (-rect.width (), -rect.center ().y ());
}
else {
rect.translate (-rect.center ());
}
}
return rect;
}
QSizeF AdjustColumnRowManipulator::textSize(const QString& text, const Style& style) const
{
QSizeF size;
DummyWidget dummyWiget;
const QFontMetricsF fontMetrics(style.font(), &dummyWiget);
// Set size to correct values according to
// if the text is horizontal, vertical or rotated.
if (!style.verticalText() && !style.angle()) {
// Horizontal text.
size = fontMetrics.size(0, text);
double offsetFont = 0.0;
if ((style.valign() == Style::Bottom) && style.underline())
offsetFont = fontMetrics.underlinePos() + 1;
size.setHeight((fontMetrics.ascent() + fontMetrics.descent() + offsetFont)
*(text.count('\n') + 1));
} else if (style.angle() != 0) {
// Rotated text.
const double height = fontMetrics.ascent() + fontMetrics.descent();
const double width = fontMetrics.width(text);
size.setHeight(height * ::cos(style.angle() * M_PI / 180)
+ qAbs(width * ::sin(style.angle() * M_PI / 180)));
size.setWidth(qAbs(height * ::sin(style.angle() * M_PI / 180))
+ width * ::cos(style.angle() * M_PI / 180));
} else {
// Vertical text.
qreal width = 0.0;
for (int i = 0; i < text.length(); i++)
width = qMax(width, fontMetrics.width(text.at(i)));
size.setWidth(width);
size.setHeight((fontMetrics.ascent() + fontMetrics.descent())
* text.length());
}
return size;
}