Big bang

src/magnum_item.h

@@ -0,0 +1,55 @@
+#ifndef MAGNUM_ITEM_H
+#define MAGNUM_ITEM_H
+
+#include <Magnum/GL/Framebuffer.h>
+#include <Magnum/Platform/GLContext.h>
+#include "glclampf.h"
+#include <QOpenGLFunctions>
+#include <QtQuick/QQuickFramebufferObject>
+
+// Forward declaring the renderer to avoid CMake's AUTOMOC
+// to process Magnum's headers (where it fails)
+
+class MagnumRenderer;
+
+class MagnumItem : public QQuickFramebufferObject {
+  Q_OBJECT
+  Q_PROPERTY(qreal t READ t WRITE setT NOTIFY tChanged)
+  Q_PROPERTY(qreal hue READ hue WRITE setHue NOTIFY hueChanged)
+  Q_PROPERTY(qreal count READ count WRITE setCount NOTIFY countChanged)
+public:
+  MagnumItem();
+  Renderer *createRenderer() const override;
+
+  inline qreal t() const { return m_t; }
+  void setT(qreal t);
+
+  inline qreal hue() const { return m_hue; }
+  void setHue(qreal hue);
+
+  inline qint8 count() const { return m_count; }
+  void setCount(qint8 count);
+
+signals:
+  void tChanged();
+  void hueChanged();
+  void countChanged();
+
+protected:
+  void keyPressEvent(QKeyEvent *evt) override;
+  void mousePressEvent(QMouseEvent *evt) override;
+  void mouseReleaseEvent(QMouseEvent *evt) override;
+  void mouseMoveEvent(QMouseEvent *evt) override;
+  void wheelEvent(QWheelEvent *evt) override;
+
+private:
+  void releaseResources() override;
+
+  qreal m_t;
+  qreal m_hue;
+  qint8 m_count;
+
+  MagnumRenderer *m_renderer;
+};
+
+#endif // MAGNUM_ITEM_H