Initial commit.

src/analyzer/analyzerbase.h

@@ -0,0 +1,89 @@
+// Maintainer: Max Howell <max.howell@methylblue.com>, (C) 2004
+// Copyright:  See COPYING file that comes with this distribution
+
+#ifndef ANALYZERBASE_H
+#define ANALYZERBASE_H
+
+#ifdef __FreeBSD__
+#include <sys/types.h>
+#endif
+
+#include "analyzer/fht.h"  //stack allocated and convenience
+#include "engine/engine_fwd.h"
+#include <QPixmap>      //stack allocated and convenience
+#include <QBasicTimer>  //stack allocated
+#include <QWidget>      //baseclass
+#include <vector>       //included for convenience
+
+#include <QGLWidget>  //baseclass
+#ifdef Q_WS_MACX
+#include <OpenGL/gl.h>   //included for convenience
+#include <OpenGL/glu.h>  //included for convenience
+#else
+#include <GL/gl.h>   //included for convenience
+#include <GL/glu.h>  //included for convenience
+#endif
+
+class QEvent;
+class QPaintEvent;
+class QResizeEvent;
+
+namespace Analyzer {
+
+typedef std::vector<float> Scope;
+
+class Base : public QWidget {
+  Q_OBJECT
+
+ public:
+  ~Base() { delete m_fht; }
+
+  uint timeout() const { return m_timeout; }
+
+  void set_engine(EngineBase *engine) { m_engine = engine; }
+
+  void changeTimeout(uint newTimeout) {
+    m_timeout = newTimeout;
+    if (m_timer.isActive()) {
+      m_timer.stop();
+      m_timer.start(m_timeout, this);
+    }
+  }
+
+  virtual void framerateChanged() {}
+
+ protected:
+  Base(QWidget*, uint scopeSize = 7);
+
+  void hideEvent(QHideEvent*);
+  void showEvent(QShowEvent*);
+  void paintEvent(QPaintEvent*);
+  void timerEvent(QTimerEvent*);
+
+  void polishEvent();
+
+  int resizeExponent(int);
+  int resizeForBands(int);
+  virtual void init() {}
+  virtual void transform(Scope&);
+  virtual void analyze(QPainter& p, const Scope&, bool new_frame) = 0;
+  virtual void demo(QPainter& p);
+
+ protected:
+  QBasicTimer m_timer;
+  uint m_timeout;
+  FHT* m_fht;
+  EngineBase* m_engine;
+  Scope m_lastScope;
+  int current_chunk_;
+
+  bool new_frame_;
+  bool is_playing_;
+};
+
+void interpolate(const Scope&, Scope&);
+void initSin(Scope&, const uint = 6000);
+
+}  // END namespace Analyzer
+
+#endif