| 38 | SGWireframeWidget::~SGWireframeWidget() = default; |
| 39 | |
| 40 | void SGWireframeWidget::paintEvent(QPaintEvent *) |
| 41 | { |
| 42 | if (!m_vertexModel || m_vertices.isEmpty() || m_positionColumn == -1) |
| 43 | return; |
| 44 | |
| 45 | // Prepare painting |
| 46 | m_zoom = qMin((width() - 20) / m_geometryWidth, (height() - 20) / m_geometryHeight); |
| 47 | |
| 48 | QPainter painter(this); |
| 49 | painter.setRenderHint(QPainter::Antialiasing); |
| 50 | painter.setPen(qApp->palette().color(QPalette::WindowText)); |
| 51 | painter.setBrush(QBrush(Qt::black, Qt::SolidPattern)); |
| 52 | |
| 53 | // Paint |
| 54 | for (int i = 0; i < m_adjacencyList.size(); i++) { |
| 55 | // Calculate the index of the vertex we're supposed to draw a line from |
| 56 | const int index = m_adjacencyList[i]; |
| 57 | |
| 58 | if (index >= m_vertices.size()) |
| 59 | continue; |
| 60 | |
| 61 | // Draw highlighted faces |
| 62 | if ((m_drawingMode == GL_TRIANGLES && i % 3 == 2) |
| 63 | || (m_drawingMode == GL_TRIANGLE_STRIP && i >= 2)) { |
| 64 | drawHighlightedFace(&painter, QVector<int>() << index << m_adjacencyList[i - 1] << m_adjacencyList[i - 2]); |
| 65 | } else if (m_drawingMode == GL_TRIANGLE_FAN && i >= 2) { |
| 66 | drawHighlightedFace(&painter, QVector<int>() << index << m_adjacencyList[i - 1] << m_adjacencyList.first()); |
| 67 | } |
| 68 | |
| 69 | #if !QT_CONFIG(opengles2) |
| 70 | else if ((m_drawingMode == GL_QUADS || m_drawingMode == GL_QUAD_STRIP) && i % 4 == 3) { |
| 71 | drawHighlightedFace(&painter, |
| 72 | QVector<int>() << index << m_adjacencyList[i - 1] << m_adjacencyList[i - 2] << m_adjacencyList[i - 3]); |
| 73 | } else if (m_drawingMode == GL_POLYGON && i == m_adjacencyList.size() - 1) { |
| 74 | QVector<int> vertices; |
| 75 | vertices.reserve(m_adjacencyList.size()); |
| 76 | for (int j = 0; j < m_adjacencyList.size(); j++) |
| 77 | vertices << j; |
| 78 | drawHighlightedFace(&painter, vertices); |
| 79 | } |
| 80 | #endif |
| 81 | |
| 82 | // Draw wires |
| 83 | |
| 84 | // Draw a connection to the previous vertex |
| 85 | if (((m_drawingMode == GL_LINES && i % 2) |
| 86 | || m_drawingMode == GL_LINE_LOOP |
| 87 | || m_drawingMode == GL_LINE_STRIP |
| 88 | || (m_drawingMode == GL_TRIANGLES && i % 3) |
| 89 | || m_drawingMode == GL_TRIANGLE_STRIP |
| 90 | || m_drawingMode == GL_TRIANGLE_FAN |
| 91 | #if !QT_CONFIG(opengles2) |
| 92 | || (m_drawingMode == GL_QUADS && i % 4 != 0) |
| 93 | || (m_drawingMode == GL_QUAD_STRIP && i % 2) |
| 94 | || m_drawingMode == GL_POLYGON |
| 95 | #endif |
| 96 | ) |
| 97 | && i > 0) { |