Diff: snd_wave_generator/WaveCombo.h

Revision:

0:ed89ef772e92

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/snd_wave_generator/WaveCombo.h	Mon Jan 24 22:44:39 2011 +0000
@@ -0,0 +1,33 @@
+#ifndef WAVE_COMBO_H_
+#define WAVE_COMBO_H_
+
+#include "snd_wave_generator/Wave.h"
+#include <vector>
+
+namespace snd_wave_generator {
+
+/**
+ * @brief A class that produces a wave that results of the combination of multiple waves.
+ * The combined wave does not buffer itself (as it does not know the length of the combined cycle.
+ * During preparation phase, it invokes the prepare() method of its contained waves.
+ */
+class WaveCombo : public Wave {
+public:
+    WaveCombo(Wave *wave = NULL) : waves(), numWaves(0)
+    {
+        add(wave); 
+    }
+    
+    WaveCombo & add(Wave *wave);
+    
+    virtual void prepare(std::size_t sampleRate);
+    virtual float read(std::size_t pos) const;
+    
+private:
+    std::vector<Wave*> waves;
+    float numWaves;
+};
+
+} // snd_wave_generator
+
+#endif // WAVE_COMBO_H_
\ No newline at end of file