File indexing completed on 2025-01-26 05:19:14

 /* Atelier KDE Printer Host for 3D Printing
     Copyright (C) <2017-2018>
     Author: Patrick José Pereira - patrickjp@kde.org
             Kevin Ottens - ervin@kde.org
 
     This program is free software; you can redistribute it and/or
     modify it under the terms of the GNU General Public License as
     published by the Free Software Foundation; either version 3 of
     the License or any later version accepted by the membership of
     KDE e.V. (or its successor approved by the membership of KDE
     e.V.), which shall act as a proxy defined in Section 14 of
     version 3 of the license.
 
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "gridmesh.h"
 #include "linemeshgeometry.h"
 #include <QGeometryRenderer>
 #include <QSize>
 #include <QVector3D>
 
 GridMesh::GridMesh(Qt3DCore::QNode *parent)
     : Qt3DRender::QGeometryRenderer(parent)
 {
     setInstanceCount(1);
     setIndexOffset(0);
     setFirstInstance(0);
     setPrimitiveType(Qt3DRender::QGeometryRenderer::Lines);
     setMeshResolution(QSize(20, 20));
 }
 
 QSize GridMesh::meshResolution() const
 {
     return m_meshResolution;
 }
 
 void GridMesh::setMeshResolution(const QSize &meshResolution)
 {
     if (meshResolution == m_meshResolution) {
         return;
     }
 
     QVector<QVector3D> vertices;
 
     const float dx = 1.0f / static_cast<float>(meshResolution.width());
     for (int col = 0; col <= meshResolution.width(); col++) {
         const float x = col * dx;
         vertices.append(QVector3D(x, 0.0f, 0.0f));
         vertices.append(QVector3D(x, 1.0f, 0.0f));
     }
 
     const float dy = 1.0f / static_cast<float>(meshResolution.height());
     for (int row = 0; row <= meshResolution.height(); row++) {
         const float y = row * dy;
         vertices.append(QVector3D(0.0f, y, 0.0f));
         vertices.append(QVector3D(1.0f, y, 0.0f));
     }
 
     if (geometry()) {
         auto geom = geometry();
         setGeometry(nullptr);
         delete geom;
     }
 
     auto geom = new LineMeshGeometry(vertices, this);
     setVertexCount(geom->vertexCount());
     setGeometry(geom);
 
     m_meshResolution = meshResolution;
     emit meshResolutionChanged(m_meshResolution);
 }