Window.h

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#ifndef CSL_WINDOW_H
#define CSL_WINDOW_H

#include "CSL_Core.h"

namespace csl {

class Window : public UnitGenerator {
public:             // Constructors:
    Window();       

    Window(unsigned windowSize, float gain = 1); 
    ~Window();      

    void setSize(unsigned windowSize);  
    void setGain(float gain);               
    sample *window() { return mWindowBuffer.mMonoBuffers[0]; }; 

    void nextBuffer(Buffer &outputBuffer, unsigned outBufNum) throw (CException);
    void dump();        
    
protected:
    Buffer mWindowBuffer;       
    unsigned mWindowBufferPos;  
    unsigned mWindowSize;       
    float mGain;                    

    virtual void fillWindow();      
};

class RectangularWindow : public Window {
public:
    RectangularWindow() : Window() { }
    RectangularWindow(unsigned windowSize) : Window(windowSize) { }
    RectangularWindow(unsigned windowSize, float gain) : Window(windowSize, gain) { }
    ~RectangularWindow() { }
    
protected:
    void fillWindow();
};

class HammingWindow : public Window {
public:

    HammingWindow() : Window() { }
    HammingWindow(unsigned windowSize) : Window(windowSize) { }
    HammingWindow(unsigned windowSize, float gain) : Window(windowSize, gain) { }
    ~HammingWindow() { }

protected:
    void fillWindow();
};

class HannWindow : public Window {
public:
    HannWindow() : Window() { }
    HannWindow(unsigned windowSize) : Window(windowSize) { }
    HannWindow(unsigned windowSize, float gain) : Window(windowSize, gain) { }
    ~HannWindow() { }
    
protected:
    void fillWindow();
};

class BlackmanWindow : public Window {
public:
    BlackmanWindow() : Window() { }
    BlackmanWindow(unsigned windowSize) : Window(windowSize) { }
    BlackmanWindow(unsigned windowSize, float gain) : Window(windowSize, gain) { }
    ~BlackmanWindow() { }
    
protected:
    void fillWindow();
};

class BlackmanHarrisWindow : public Window {
public:
    BlackmanHarrisWindow() : Window() { }
    BlackmanHarrisWindow(unsigned windowSize) : Window(windowSize) { }
    BlackmanHarrisWindow(unsigned windowSize, float gain) : Window(windowSize, gain) { }
    ~BlackmanHarrisWindow() { }
    
protected:
    void fillWindow();
};

class WelchWindow : public Window {
public:
    WelchWindow() : Window() { }
    WelchWindow(unsigned windowSize) : Window(windowSize) { }
    WelchWindow(unsigned windowSize, float gain) : Window(windowSize, gain) { }
    ~WelchWindow() { }
    
protected:
    void fillWindow();
};

}  // end of namespace block

#endif

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