Method measureText

app/src/UI/Widgets/PainterContext.cpp:1355–1367

* @brief Canvas-2D shaped measureText: returns { width, actualBoundingBoxAscent, * actualBoundingBoxDescent, fontBoundingBoxAscent, fontBoundingBoxDescent }. */

 * actualBoundingBoxDescent, fontBoundingBoxAscent, fontBoundingBoxDescent }.
 */
QVariantMap Widgets::PainterContext::measureText(const QString& text) const
{
  const QFontMetricsF fm(m_state.font);
  const QRectF tight = fm.tightBoundingRect(text);

  QVariantMap m;
  m[QStringLiteral("width")]                    = fm.horizontalAdvance(text);
  m[QStringLiteral("actualBoundingBoxAscent")]  = -tight.top();
  m[QStringLiteral("actualBoundingBoxDescent")] = tight.bottom();
  m[QStringLiteral("fontBoundingBoxAscent")]    = fm.ascent();
  m[QStringLiteral("fontBoundingBoxDescent")]   = fm.descent();
  return m;
}

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// Images