Added GeometryProvider

2025-09-21 06:55:02 -04:00
parent f30f517d81
commit fe53193959
2 changed files with 453 additions and 0 deletions
--- a/plugin/GeometryProvider.h
+++ b/plugin/GeometryProvider.h
@@ -0,0 +1,113 @@
+/*
+ *  Komplex Wallpaper Engine
+ *  Copyright (C) 2025 @DigitalArtifex | github.com/DigitalArtifex
+ *
+ *  GeometryProvider.h
+ * 
+ *  This class provides a way to use .obj and .stl in QML
+ * 
+ *  The loadObj() and loadStl() functions are from stl-gcode-viewer
+ *  Copyright 2015-2025 @sokunmin | github.com/sokunmin
+ *
+ *  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
+ *  (at your option) any later version.
+ *
+ *  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 <https://www.gnu.org/licenses/>
+ */
+#ifndef  GeometryProvider_H
+#define  GeometryProvider_H
+
+#define READ_VECTOR(v)\
+do {\
+    float f;\
+    file.read((char*)&f, sizeof(float));	v[0] = f;\
+    file.read((char*)&f, sizeof(float));	v[1] = f;\
+    file.read((char*)&f, sizeof(float));	v[2] = f;\
+} while(false)
+
+#include <QObject>
+#include <QQuick3DGeometry>
+#include <QFile>
+#include <QFileInfo>
+#include <QVector3D>
+#include <QMatrix4x4>
+
+#include "Komplex_global.h"
+
+class KOMPLEX_EXPORT GeometryProvider : public QQuick3DGeometry
+{
+    Q_OBJECT
+    QML_ELEMENT
+
+    Q_PROPERTY(bool hasNormals READ hasNormals WRITE setHasNormals NOTIFY hasNormalsChanged)
+    Q_PROPERTY(bool hasUv READ hasUv WRITE setHasUv NOTIFY hasUvChanged)
+    Q_PROPERTY(qreal uvAdjust READ uvAdjust WRITE setUVAdjust NOTIFY uvAdjustChanged)
+    Q_PROPERTY(QString source READ source WRITE setSource NOTIFY sourceChanged)
+
+public:
+    enum State
+    {
+        Idle,
+        Loading,
+        Loaded,
+        Error
+    };
+
+    GeometryProvider(QQuick3DObject *parent = nullptr);
+
+    bool hasNormals() const { return m_hasNormals; }
+    void setHasNormals(bool enable);
+
+    bool hasUv() const { return m_hasUV; }
+    void setHasUv(bool enable);
+
+    float uvAdjust() const { return m_uvAdjust; }
+    void setUVAdjust(qreal f);
+
+    QString source() const { return m_source; }
+    void setSource(QString &source);
+
+Q_SIGNALS:
+    void normalsChanged();
+    void hasNormalsChanged();
+    void uvChanged();
+    void hasUvChanged();
+    void uvAdjustChanged();
+    void sourceChanged();
+
+private:
+    void loadObj(QFile &file);
+    void loadStl(QFile &file);
+    void recomputeAll();
+
+    bool m_hasNormals = false;
+    bool m_hasUV = false;
+    
+    qreal m_uvAdjust = 0.0f;
+    QString m_source;
+
+    QVector3D m_size;
+    QVector3D m_center;
+    QVector3D m_min;
+    QVector3D m_max;
+    QMatrix4x4 m_transform;
+
+    QVector<QVector3D> m_vertices;
+    QVector<QVector3D> m_verticesNew;
+    QVector<QVector3D> m_normals;
+    QVector<QVector2D> m_uv;
+
+    QVector<int> m_edgeIndices;
+    QVector<int> m_vertexIndices;
+};
+
+Q_DECLARE_METATYPE(GeometryProvider)
+#endif