X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fcanvas-waveview.h;h=daa907e11047519a7e3f2dc31c12b4addd146d54;hb=b2aaffadc51ad38939e52d5f792e3e9a098ff2d7;hp=520e9b3e1709b4afb25883bc8d050cec889cc0f4;hpb=f4e6f8fec5c4ed705b2f0124666d632c392dbbc3;p=ardour.git

diff --git a/gtk2_ardour/canvas-waveview.h b/gtk2_ardour/canvas-waveview.h
index 520e9b3e17..daa907e110 100644
--- a/gtk2_ardour/canvas-waveview.h
+++ b/gtk2_ardour/canvas-waveview.h
@@ -59,32 +59,39 @@ struct _GnomeCanvasWaveViewCache
     guint64                       data_size;
     gulong                        start;
     gulong                        end;
-};    
+};
 
-GnomeCanvasWaveViewCache* gnome_canvas_waveview_cache_new ();
+GnomeCanvasWaveViewCache* gnome_canvas_waveview_cache_new (void);
 void                    gnome_canvas_waveview_cache_destroy (GnomeCanvasWaveViewCache*);
 
+void gnome_canvas_waveview_set_gradient_waveforms (int);
+
+typedef  gulong (*waveview_length_function_t)(void*);
+typedef  gulong (*waveview_sourcefile_length_function_t)(void*, double);
+typedef  void (*waveview_gain_curve_function_t)(void *arg, double start, double end, float* vector, gint64 veclen);
+typedef  void (*waveview_peak_function_t)(void*,gulong,gulong,gulong,gpointer,guint32,double);
+
 struct _GnomeCanvasWaveView
 {
     GnomeCanvasItem item;
-    
+
     GnomeCanvasWaveViewCache *cache;
     gboolean                cache_updater;
     gint                    screen_width;
 
     void *data_src;
     guint32 channel;
-	void (*peak_function)(void*,gulong,gulong,gulong,gpointer,guint32,double);
-    gulong (*length_function)(void *);
-    gulong (*sourcefile_length_function)(void*,double);
-    void (*gain_curve_function)(void *arg, double start, double end, float* vector, gint64 veclen);
+    waveview_peak_function_t peak_function;
+    waveview_length_function_t length_function;
+    waveview_sourcefile_length_function_t sourcefile_length_function;
+    waveview_gain_curve_function_t gain_curve_function;
     void *gain_src;
 
     /** x-axis: samples per canvas unit. */
     double samples_per_unit;
-    
+
     /** y-axis: amplitude_above_axis.
-     * 
+     *
      * the default is that an (scaled, normalized -1.0 ... +1.0) amplitude of 1.0
      * corresponds to the top of the area assigned to the waveview.
      *
@@ -107,7 +114,7 @@ struct _GnomeCanvasWaveView
     char rectified;
     char zero_line;
     char logscaled;
-	
+
     /* These are updated by the update() routine
        to optimize the render() routine, which may
        be called several times after a single update().