/** * \return A presentable label for the given value. The number locale * is used to determine if the decimal point is a dot or a comma. * \see RSettings::getNumberLocale() */ QString RUnit::getLabel(double v, RDocument& document, bool forceMaxPrecision, bool forceSuppressTrailingZeroes) { if (fabs(v) < 1e-6) { v = 0.0; } return RUnit::formatLinear(v, document.getUnit(), document.getLinearFormat(), forceMaxPrecision ? 8 : document.getLinearPrecision(), false, document.showLeadingZeroes(), forceSuppressTrailingZeroes ? false : document.showTrailingZeroes()); //QLocale locale = RSettings::getNumberLocale(); //return locale.toString(v, 'g', 6); }
void ROrthoGrid::paintRuler(RRuler& ruler, qreal devicePixelRatio) { RDocument* doc = view.getDocument(); if (doc == NULL) { return; } RS::Unit unit = doc->getUnit(); RS::LinearFormat linearFormat = doc->getLinearFormat(); // use grid spacing if available or auto grid spacing: RVector localSpacing = spacing; if (!localSpacing.isValid() || (autoSpacing.isValid() && autoSpacing.getMagnitude2d() < localSpacing.getMagnitude2d())) { localSpacing = autoSpacing; } // use meta grid spacing if available or auto meta grid spacing: RVector localMetaSpacing = metaSpacing; if (!localMetaSpacing.isValid() || (autoMetaSpacing.isValid() && autoMetaSpacing.getMagnitude2d() < localMetaSpacing.getMagnitude2d())) { //localMetaSpacing = autoMetaSpacing; } //if (!localMetaSpacing.isValid()) { // qDebug() << "no local meta spacing"; // return; //} if (localSpacing.getMagnitude()<1.0e-6 || localMetaSpacing.getMagnitude()<1.0e-6) { //qDebug() << "local (meta) spacing too small"; return; } RVector min = gridBox.getCorner1(); RVector max = gridBox.getCorner2(); bool isHorizontal = ruler.getOrientation() == Qt::Horizontal; double tickSpacing; //if (!RUnit::isMetric(doc->getUnit())) { if (isFractionalFormat(linearFormat) && !RUnit::isMetric(unit)) { if (isHorizontal) { tickSpacing = localSpacing.x; } else { tickSpacing = localSpacing.y; } } else { if (isHorizontal) { tickSpacing = localMetaSpacing.x; } else { tickSpacing = localMetaSpacing.y; } if (view.mapDistanceToView(tickSpacing) >= 80) { tickSpacing /= 10; } else if (view.mapDistanceToView(tickSpacing) >= 30) { tickSpacing /= 5; } else if (view.mapDistanceToView(tickSpacing) >= 20) { tickSpacing /= 2; } } // ideal tick spacing in pixels: int pSpacing = (int) ceil(view.mapDistanceToView(tickSpacing)); QString l1 = RUnit::getLabel(isHorizontal ? min.x : min.y, *doc, false, true); QString l2 = RUnit::getLabel(isHorizontal ? max.x : max.y, *doc, false, true); int labelWidth = std::max( QFontMetrics(ruler.getFont()).boundingRect(l1).width(), QFontMetrics(ruler.getFont()).boundingRect(l2).width()) + 15; // smallest displayable distance between labels in steps (ticks): int minLabelStep = 1; if (pSpacing>0) { minLabelStep = labelWidth / pSpacing + 1; } int labelStep = minLabelStep; //if (!RUnit::isMetric(doc->getUnit())) { if (isFractionalFormat(linearFormat) && !RUnit::isMetric(unit)) { // non metric double f = 1.0/128; do { if (localMetaSpacing.isValid()) { if (isHorizontal) { labelStep = RMath::mround(localMetaSpacing.x / localSpacing.x) * f; } else { labelStep = RMath::mround(localMetaSpacing.y / localSpacing.y) * f; } } else { labelStep = (int)f; } f = f * 2; if (f>65536) { labelStep = -1; } } while (labelStep < minLabelStep && labelStep>=0); } else { // metric if (labelStep >= 3 && labelStep <= 4) { labelStep = 5; } else if (labelStep >= 6 && labelStep <= 9) { labelStep = 10; } else if (labelStep >= 11 && labelStep <= 19) { labelStep = 20; } else if (labelStep >= 21 && labelStep <= 99) { labelStep = 100; } } if (labelStep<0) { return; } if (labelStep<1) { labelStep = 1; } double minPos; double maxPos; if (isHorizontal) { minPos = (floor(view.mapFromView(RVector(0, 0)).x / (labelStep * tickSpacing))-1) * (labelStep * tickSpacing); maxPos = (ceil(view.mapFromView(RVector(view.getWidth(), 0)).x / (labelStep * tickSpacing))+1) * (labelStep * tickSpacing); } else { minPos = (floor(view.mapFromView(RVector(0, view.getHeight())).y / (labelStep * tickSpacing))-1) * (labelStep * tickSpacing); maxPos = (ceil(view.mapFromView(RVector(0, 0)).y / (labelStep * tickSpacing))+1) * (labelStep * tickSpacing); } if ((maxPos - minPos) / tickSpacing > 1e3) { return; } int c; double p; for (c = 0, p = minPos; p < maxPos; p += tickSpacing, ++c) { bool hasLabel = c % labelStep == 0; double v; if (isHorizontal) { v = view.mapToView(RVector(p, 0)).x; } else { v = view.mapToView(RVector(0, p)).y; } ruler.paintTick(v*devicePixelRatio, hasLabel, hasLabel ? RUnit::getLabel(p, *doc, false, true, true) : QString()); } }
/** * Updates the grid information, in particular the grid spacing and * grid region to the current view port. */ void ROrthoGrid::update(bool force) { if (!force && viewBox==view.getBox()) { return; } viewBox = view.getBox(); int viewportNumber = view.getViewportNumber(); RDocument* doc = view.getDocument(); if (doc == NULL) { qWarning() << "ROrthoGrid::update: document is NULL"; return; } RGraphicsScene* scene = view.getScene(); if (scene==NULL) { qWarning() << "ROrthoGrid::update: scene is NULL"; return; } RS::ProjectionRenderingHint hint = scene->getProjectionRenderingHint(); // for 3d views, we have no convenient way to calculate the grid dimensions: if (hint == RS::RenderThreeD) { gridBox = RBox(RVector(-1000, -1000), RVector(1000, 1000)); spacing = RVector(10.0, 10.0); return; } QString key; key = QString("Grid/IsometricGrid0%1").arg(viewportNumber); isometric = doc->getVariable(key, false, true).toBool(); RS::Unit unit = doc->getUnit(); RS::LinearFormat linearFormat = doc->getLinearFormat(); // default values for missing configurations and 'auto' settings: minSpacing.valid = true; minMetaSpacing.valid = true; if (isFractionalFormat(linearFormat) && !RUnit::isMetric(unit)) { //minSpacing.x = minSpacing.y = RNANDOUBLE; //minMetaSpacing.x = minMetaSpacing.y = RNANDOUBLE; minSpacing.x = minSpacing.y = RUnit::convert(1.0, RS::Inch, unit) / 1024; minMetaSpacing.x = minMetaSpacing.y = RUnit::convert(1.0, RS::Inch, unit) / 1024; } else { minSpacing.x = minSpacing.y = 1.0e-6; minMetaSpacing.x = minMetaSpacing.y = RNANDOUBLE; //minSpacing.x = minSpacing.y = RNANDOUBLE; //minMetaSpacing.x = minMetaSpacing.y = 1.0e-6; } key = QString("Grid/GridSpacingX0%1").arg(viewportNumber); QVariant strSx = doc->getVariable(key, QVariant(), true); key = QString("Grid/GridSpacingY0%1").arg(viewportNumber); QVariant strSy = doc->getVariable(key, QVariant(), true); spacing.valid = true; bool autoX = !strSx.isValid() || strSx.toString()=="auto"; bool autoY = !strSy.isValid() || strSy.toString()=="auto"; // grid spacing x: if (!autoX) { // fixed: double d = RMath::eval(strSx.toString()); if (!RMath::hasError() && d>RS::PointTolerance) { minSpacing.x = spacing.x = d; } } // grid spacing y: if (!autoY) { double d = RMath::eval(strSy.toString()); if (!RMath::hasError() && d>RS::PointTolerance) { minSpacing.y = spacing.y = d; } } // meta grid: key = QString("Grid/MetaGridSpacingX0%1").arg(viewportNumber); QVariant strMsx = doc->getVariable(key, QVariant(), true); key = QString("Grid/MetaGridSpacingY0%1").arg(viewportNumber); QVariant strMsy = doc->getVariable(key, QVariant(), true); metaSpacing.valid = true; bool metaAutoX = !strMsx.isValid() || strMsx.toString()=="auto"; bool metaAutoY = !strMsy.isValid() || strMsy.toString()=="auto"; // meta grid spacing x: if (!metaAutoX) { // fixed: double d = RMath::eval(strMsx.toString()); if (d>RS::PointTolerance) { minMetaSpacing.x = metaSpacing.x = d; } } // meta grid spacing y: if (!metaAutoY) { // fixed: double d = RMath::eval(strMsy.toString()); if (d>RS::PointTolerance) { minMetaSpacing.y = metaSpacing.y = d; } } // auto scale grid: QList<RVector> s = getIdealSpacing(minPixelSpacing, minSpacing, minMetaSpacing); if (RSettings::getAutoScaleGrid()) { autoSpacing = spacing = s.at(0); } if (RSettings::getAutoScaleMetaGrid()) { autoMetaSpacing = metaSpacing = s.at(1); } // switch grid off below given pixel limit: if (view.mapDistanceToView(spacing.x) < minPixelSpacing) { spacing = RVector::invalid; } if (view.mapDistanceToView(metaSpacing.x) < minPixelSpacing) { metaSpacing = RVector::invalid; } if (view.mapDistanceToView(spacing.y) < minPixelSpacing) { spacing = RVector::invalid; } if (view.mapDistanceToView(metaSpacing.y) < minPixelSpacing) { metaSpacing = RVector::invalid; } // qDebug() << "spacing: " << spacing; // qDebug() << "minSpacing: " << minSpacing; // qDebug() << "metaSpacing: " << metaSpacing; // if (scaleGrid) { // QList<RVector> s = ROrthoGrid::getIdealSpacing(view, minPixelSpacing, minSpacing); // spacing = s.at(0); // metaSpacing = s.at(1); // } else { // spacing = minSpacing; // } RVector minGridPoint; RVector maxGridPoint; spacing.z = 1; if (isometric) { spacing.x = spacing.y * 2.0 * sin(M_PI/3.0); metaSpacing.x = metaSpacing.y * 2.0 * sin(M_PI/3.0); spacing = spacing / 2; //metaSpacing = metaSpacing / 2; } minGridPoint = viewBox.getCorner1(); minGridPoint = minGridPoint.getDividedComponents(spacing).getFloor(); minGridPoint = minGridPoint.getMultipliedComponents(spacing); maxGridPoint = viewBox.getCorner2(); maxGridPoint = maxGridPoint.getDividedComponents(spacing).getCeil(); maxGridPoint = maxGridPoint.getMultipliedComponents(spacing); minGridPoint.z = viewBox.getCorner1().z; maxGridPoint.z = viewBox.getCorner2().z; gridBox = RBox(minGridPoint, maxGridPoint); minGridPoint = viewBox.getCorner1(); minGridPoint = minGridPoint.getDividedComponents(metaSpacing).getFloor(); minGridPoint = minGridPoint.getMultipliedComponents(metaSpacing); maxGridPoint = viewBox.getCorner2(); maxGridPoint = maxGridPoint.getDividedComponents(metaSpacing).getCeil(); maxGridPoint = maxGridPoint.getMultipliedComponents(metaSpacing); minGridPoint.z = viewBox.getCorner1().z; maxGridPoint.z = viewBox.getCorner2().z; metaGridBox = RBox(minGridPoint, maxGridPoint); if (isometric) { QString i1 = RUnit::getLabel(spacing.x / cos(M_PI/6), *doc, true, true); QString i2 = RUnit::getLabel(metaSpacing.x / cos(M_PI/6) / 2, *doc, true, true); infoText = QString("%1 < %2").arg(i1).arg(i2); } else { QString i1 = RUnit::getLabel(spacing.x, *doc, true, true); QString i2 = RUnit::getLabel(metaSpacing.x, *doc, true, true); infoText = QString("%1 < %2").arg(i1).arg(i2); } }