1 files changed, 40 insertions, 0 deletions
diff --git a/fft.h b/fft.h
new file mode 100644
index 0000000..d81341f
--- /dev/null
+++ b/fft.h
@@ -0,0 +1,40 @@
+#ifndef FFT_H
+#define FFT_H
+
+#include <qwidget.h>
+#include <X11/Xlib.h>
+
+/* ------------------------------------------------------------------------ */
+
+class FFTWindow : public QWidget
+{
+    Q_OBJECT;
+
+public:
+    FFTWindow(QWidget *parent, char *name);
+
+public slots:
+    void new_params(struct SOUNDPARAMS *params);
+    void new_data(void *data);
+    void set_ylog(int linear);
+
+protected:
+    void resizeEvent(QResizeEvent *event);
+    
+private:
+    unsigned long  fore,back;
+    GC             gc;
+    int            *logmap;
+    XSegment       *segments;
+    short          *buffer;
+
+    int            afmt,channels,rate;
+    int            audio_size, fft_size, lmax;
+    bool           ylog;
+    
+    void make_logmap();
+    void calculate(unsigned char *data);
+    void drawhist();
+};
+
+#endif