diff -r 6da096930534 -r 9b655f6fe5a1 src/ui/canvas.cpp --- a/src/ui/canvas.cpp Sat Mar 05 17:18:44 2022 +0200 +++ b/src/ui/canvas.cpp Sat Mar 05 18:26:18 2022 +0200 @@ -120,6 +120,7 @@ if (this->renderPreferences.style != gl::RenderStyle::PickScene) { // Render axes + if (this->renderPreferences.drawAxes) { glLineWidth(5); glEnable(GL_LINE_SMOOTH); @@ -161,56 +162,9 @@ { QPainter painter{this}; painter.setRenderHint(QPainter::Antialiasing); - QFont font; - //font.setStyle(QFont::StyleItalic); - painter.setFont(font); - QFontMetrics fontMetrics{font}; - const auto renderText = [&](const QString& text, const geom::PointOnRectagle& intersection) + if (this->renderPreferences.drawAxes) { - QPointF position = toQPointF(intersection.position); - const geom::RectangleSide side = intersection.side; - switch (side) - { - case geom::RectangleSide::Top: - position += QPointF{0, static_cast(fontMetrics.ascent())}; - break; - case geom::RectangleSide::Left: - break; - case geom::RectangleSide::Bottom: - position += QPointF{0, static_cast(-fontMetrics.descent())}; - break; - case geom::RectangleSide::Right: - position += QPointF{static_cast(-fontMetrics.horizontalAdvance(text)), 0}; - break; - } - painter.drawText(position, text); - }; - const QRectF box {QPointF{0, 0}, sizeToSizeF(this->size())}; - const QPointF p1 = this->modelToScreenCoordinates(glm::vec3{0, 0, 0}); - - static const struct - { - QString text; - glm::vec3 direction; - } directions[] = - { - {"+𝑥", {1, 0, 0}}, - {"-𝑥", {-1, 0, 0}}, - {"+𝑦", {0, 1, 0}}, - {"-𝑦", {0, -1, 0}}, - {"+𝑧", {0, 0, 1}}, - {"-𝑧", {0, 0, -1}}, - }; - for (const auto& axis : directions) - { - const QPointF x_p = this->modelToScreenCoordinates(axis.direction); - const auto intersection = geom::rayRectangleIntersection( - geom::rayFromPoints(toVec2(p1), toVec2(x_p)), - box); - if (intersection.has_value()) - { - renderText(axis.text, *intersection); - } + this->renderAxesLabels(painter); } if (this->overpaintCallback != nullptr) { @@ -221,6 +175,64 @@ } /** + * @brief Renders labels such as +x at the ends of axes at the screen + * @param painter + */ +void Canvas::renderAxesLabels(QPainter& painter) +{ + QFont font; + //font.setStyle(QFont::StyleItalic); + painter.setFont(font); + QFontMetrics fontMetrics{font}; + const auto renderText = [&](const QString& text, const geom::PointOnRectagle& intersection) + { + QPointF position = toQPointF(intersection.position); + const geom::RectangleSide side = intersection.side; + switch (side) + { + case geom::RectangleSide::Top: + position += QPointF{0, static_cast(fontMetrics.ascent())}; + break; + case geom::RectangleSide::Left: + break; + case geom::RectangleSide::Bottom: + position += QPointF{0, static_cast(-fontMetrics.descent())}; + break; + case geom::RectangleSide::Right: + position += QPointF{static_cast(-fontMetrics.horizontalAdvance(text)), 0}; + break; + } + painter.drawText(position, text); + }; + const QRectF box {QPointF{0, 0}, sizeToSizeF(this->size())}; + const QPointF p1 = this->modelToScreenCoordinates(glm::vec3{0, 0, 0}); + static const struct + { + QString text; + glm::vec3 direction; + } directions[] = + { + {"+𝑥", {1, 0, 0}}, + {"-𝑥", {-1, 0, 0}}, + {"+𝑦", {0, 1, 0}}, + {"-𝑦", {0, -1, 0}}, + {"+𝑧", {0, 0, 1}}, + {"-𝑧", {0, 0, -1}}, + }; + for (const auto& axis : directions) + { + const QPointF x_p = this->modelToScreenCoordinates(axis.direction); + const auto intersection = geom::rayRectangleIntersection( + geom::rayFromPoints(toVec2(p1), toVec2(x_p)), + box); + if (intersection.has_value()) + { + renderText(axis.text, *intersection); + } + } +} + +/** * @brief Draws a polyline to where the specified vector of 3D points would appear on the screen. * @param painter Painter to use to draw with * @param points 3D points to render