X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Faudio_region_view.cc;h=4f222f3413491242dd3c15e62c62fb137893104b;hb=e9e08f59ce109323e4e0581a31e598f9f2995571;hp=7e51d28997b3f15b6d515261853af47c739884e4;hpb=beb3ec2d7a440308bce6e2db793d78f528c9fa85;p=ardour.git

diff --git a/gtk2_ardour/audio_region_view.cc b/gtk2_ardour/audio_region_view.cc
index 7e51d28997..bbe3c87c29 100644
--- a/gtk2_ardour/audio_region_view.cc
+++ b/gtk2_ardour/audio_region_view.cc
@@ -19,9 +19,9 @@
 #include <cmath>
 #include <cassert>
 #include <algorithm>
+#include <vector>
 
 #include <boost/scoped_array.hpp>
-#include <boost/scoped_ptr.hpp>
 
 #include <gtkmm.h>
 
@@ -38,12 +38,17 @@
 
 #include "evoral/Curve.hpp"
 
+#include "canvas/rectangle.h"
+#include "canvas/polygon.h"
+#include "canvas/poly_line.h"
+#include "canvas/line.h"
+#include "canvas/text.h"
+#include "canvas/debug.h"
+#include "canvas/utils.h"
+
 #include "streamview.h"
 #include "audio_region_view.h"
 #include "audio_time_axis.h"
-#include "simplerect.h"
-#include "simpleline.h"
-#include "waveview.h"
 #include "public_editor.h"
 #include "audio_region_editor.h"
 #include "audio_streamview.h"
@@ -58,7 +63,7 @@
 
 #include "i18n.h"
 
-#define MUTED_ALPHA 10
+#define MUTED_ALPHA 48
 
 using namespace std;
 using namespace ARDOUR;
@@ -67,7 +72,7 @@ using namespace Editing;
 using namespace ArdourCanvas;
 
 static const int32_t sync_mark_width = 9;
-static double const handle_size = 6; /* height of fade handles */
+static double const handle_size = 15; /* height of fade handles */
 
 AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
 				  Gdk::Color const & basic_color)
@@ -77,7 +82,6 @@ AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView
 	, fade_out_shape(0)
 	, fade_in_handle(0)
 	, fade_out_handle(0)
-	, fade_position_line(0)
 	, start_xfade_in (0)
 	, start_xfade_out (0)
 	, start_xfade_rect (0)
@@ -100,7 +104,6 @@ AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView
 	, fade_out_shape(0)
 	, fade_in_handle(0)
 	, fade_out_handle(0)
-	, fade_position_line(0)
 	, start_xfade_in (0)
 	, start_xfade_out (0)
 	, start_xfade_rect (0)
@@ -121,7 +124,6 @@ AudioRegionView::AudioRegionView (const AudioRegionView& other, boost::shared_pt
 	, fade_out_shape(0)
 	, fade_in_handle(0)
 	, fade_out_handle(0)
-	, fade_position_line(0)
 	, start_xfade_in (0)
 	, start_xfade_out (0)
 	, start_xfade_rect (0)
@@ -158,33 +160,30 @@ AudioRegionView::init (Gdk::Color const & basic_color, bool wfd)
 
 	create_waves ();
 
-	fade_in_shape = new ArdourCanvas::Polygon (*group);
-	fade_in_shape->property_fill_color_rgba() = fade_color;
+	fade_in_shape = new ArdourCanvas::PolyLine (group);
+	CANVAS_DEBUG_NAME (fade_in_shape, string_compose ("fade in shape for %1", region()->name()));
+	fade_in_shape->set_outline_color (fade_color);
 	fade_in_shape->set_data ("regionview", this);
 
-	fade_out_shape = new ArdourCanvas::Polygon (*group);
-	fade_out_shape->property_fill_color_rgba() = fade_color;
+	fade_out_shape = new ArdourCanvas::PolyLine (group);
+	CANVAS_DEBUG_NAME (fade_out_shape, string_compose ("fade out shape for %1", region()->name()));
+	fade_out_shape->set_outline_color (fade_color);
 	fade_out_shape->set_data ("regionview", this);
 
 	if (!_recregion) {
-		fade_in_handle = new ArdourCanvas::SimpleRect (*group);
-		fade_in_handle->property_fill_color_rgba() = UINT_RGBA_CHANGE_A (fill_color, 0);
-		fade_in_handle->property_outline_color_rgba() = RGBA_TO_UINT (0, 0, 0, 0);
-
+		fade_in_handle = new ArdourCanvas::Rectangle (group);
+		CANVAS_DEBUG_NAME (fade_in_handle, string_compose ("fade in handle for %1", region()->name()));
+		fade_in_handle->set_outline_color (RGBA_TO_UINT (0, 0, 0, 255));
+		fade_in_handle->set_fill_color (ARDOUR_UI::config()->get_canvasvar_InactiveFadeHandle());
 		fade_in_handle->set_data ("regionview", this);
+		fade_in_handle->hide ();
 
-		fade_out_handle = new ArdourCanvas::SimpleRect (*group);
-		fade_out_handle->property_fill_color_rgba() = UINT_RGBA_CHANGE_A (fill_color, 0);
-		fade_out_handle->property_outline_color_rgba() = RGBA_TO_UINT (0, 0, 0, 0);
-
+		fade_out_handle = new ArdourCanvas::Rectangle (group);
+		CANVAS_DEBUG_NAME (fade_out_handle, string_compose ("fade out handle for %1", region()->name()));
+		fade_out_handle->set_outline_color (RGBA_TO_UINT (0, 0, 0, 255));
+		fade_out_handle->set_fill_color (ARDOUR_UI::config()->get_canvasvar_InactiveFadeHandle());
 		fade_out_handle->set_data ("regionview", this);
-
-		fade_position_line = new ArdourCanvas::SimpleLine (*group);
-		fade_position_line->property_color_rgba() = 0xBBBBBBAA;
-		fade_position_line->property_y1() = 7;
-		fade_position_line->property_y2() = _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1;
-
-		fade_position_line->hide();
+		fade_out_handle->hide ();
 	}
 
 	setup_fade_handle_positions ();
@@ -208,7 +207,11 @@ AudioRegionView::init (Gdk::Color const & basic_color, bool wfd)
 	region_sync_changed ();
 
 	region_resized (ARDOUR::bounds_change);
-	set_waveview_data_src();
+
+	for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
+		(*i)->set_duration (_region->length() / samples_per_pixel);
+	}
+
 	region_locked ();
 	envelope_active_changed ();
 	fade_in_active_changed ();
@@ -216,22 +219,28 @@ AudioRegionView::init (Gdk::Color const & basic_color, bool wfd)
 
 	reset_width_dependent_items (_pixel_width);
 
-	fade_in_shape->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_event), fade_in_shape, this));
+	fade_in_shape->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_event), fade_in_shape, this));
 	if (fade_in_handle) {
-		fade_in_handle->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_handle, this));
+		fade_in_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_handle, this));
 	}
 
-	fade_out_shape->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_event), fade_out_shape, this));
+	fade_out_shape->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_event), fade_out_shape, this));
 
 	if (fade_out_handle) {
-		fade_out_handle->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_handle, this));
+		fade_out_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_handle, this));
 	}
 
 	set_colors ();
 
 	setup_waveform_visibility ();
 	setup_waveform_shape ();
-	setup_waveform_scale ();
+
+	if (frame_handle_start) {
+		frame_handle_start->raise_to_top ();
+	}
+	if (frame_handle_end) {
+		frame_handle_end->raise_to_top ();
+	}
 
 	/* XXX sync mark drag? */
 }
@@ -242,10 +251,6 @@ AudioRegionView::~AudioRegionView ()
 
 	RegionViewGoingAway (this); /* EMIT_SIGNAL */
 
-	for (vector<GnomeCanvasWaveViewCache *>::iterator cache = wave_caches.begin(); cache != wave_caches.end() ; ++cache) {
-		gnome_canvas_waveview_cache_destroy (*cache);
-	}
-
 	for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
 		delete *i;
 	}
@@ -286,12 +291,6 @@ AudioRegionView::region_changed (const PropertyChange& what_changed)
 	if (what_changed.contains (ARDOUR::Properties::fade_out_active)) {
 		fade_out_active_changed ();
 	}
-	if (what_changed.contains (ARDOUR::Properties::fade_in_is_xfade)) {
-		fade_in_changed ();
-	}
-	if (what_changed.contains (ARDOUR::Properties::fade_out_is_xfade)) {
-		fade_out_changed ();
-	}
 	if (what_changed.contains (ARDOUR::Properties::envelope_active)) {
 		envelope_active_changed ();
 	}
@@ -316,11 +315,11 @@ void
 AudioRegionView::fade_in_active_changed ()
 {
 	if (audio_region()->fade_in_active()) {
-		fade_in_shape->property_fill_color_rgba() = RGBA_TO_UINT(45,45,45,90);				// FIXME make a themeable colour
-		fade_in_shape->property_width_pixels() = 1;
+		/* XXX: make a themable colour */
+		fade_in_shape->set_outline_color (RGBA_TO_UINT (45, 45, 45, 90));
 	} else {
-		fade_in_shape->property_fill_color_rgba() = RGBA_TO_UINT(45,45,45,20);				// FIXME make a themeable colour
-		fade_in_shape->property_width_pixels() = 1;
+		/* XXX: make a themable colour */
+		fade_in_shape->set_outline_color (RGBA_TO_UINT (45, 45, 45, 20));
 	}
 }
 
@@ -328,11 +327,11 @@ void
 AudioRegionView::fade_out_active_changed ()
 {
 	if (audio_region()->fade_out_active()) {
-		fade_out_shape->property_fill_color_rgba() = RGBA_TO_UINT(45,45,45,90);				// FIXME make a themeable colour
-		fade_out_shape->property_width_pixels() = 1;
+		/* XXX: make a themable colour */
+		fade_out_shape->set_outline_color (RGBA_TO_UINT (45, 45, 45, 90));
 	} else {
-		fade_out_shape->property_fill_color_rgba() = RGBA_TO_UINT(45,45,45,20);				// FIXME make a themeable colour
-		fade_out_shape->property_width_pixels() = 1;
+		/* XXX: make a themable colour */
+		fade_out_shape->set_outline_color (RGBA_TO_UINT (45, 45, 45, 20));
 	}
 }
 
@@ -340,11 +339,8 @@ AudioRegionView::fade_out_active_changed ()
 void
 AudioRegionView::region_scale_amplitude_changed ()
 {
-	ENSURE_GUI_THREAD (*this, &AudioRegionView::region_scale_amplitude_changed)
-
 	for (uint32_t n = 0; n < waves.size(); ++n) {
-		// force a reload of the cache
-		waves[n]->property_data_src() = _region.get();
+		waves[n]->gain_changed ();
 	}
 }
 
@@ -377,16 +373,16 @@ AudioRegionView::region_resized (const PropertyChange& what_changed)
 	interesting_stuff.add (ARDOUR::Properties::length);
 
 	if (what_changed.contains (interesting_stuff)) {
-
+		
 		for (uint32_t n = 0; n < waves.size(); ++n) {
-			waves[n]->property_region_start() = _region->start();
+			waves[n]->region_resized ();
 		}
 
 		for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 			if ((agr = dynamic_cast<AudioGhostRegion*>(*i)) != 0) {
 
 				for (vector<WaveView*>::iterator w = agr->waves.begin(); w != agr->waves.end(); ++w) {
-					(*w)->property_region_start() = _region->start();
+					(*w)->region_resized ();
 				}
 			}
 		}
@@ -415,10 +411,9 @@ AudioRegionView::reset_width_dependent_items (double pixel_width)
 		if (pixel_width <= 6.0 || _height < 5.0 || !trackview.session()->config.get_show_region_fades()) {
 			fade_in_handle->hide();
 			fade_out_handle->hide();
-		}
-		else {
-			fade_in_handle->show();
-			fade_out_handle->show();
+		} else {
+			//fade_in_handle->show();
+			//fade_out_handle->show();
 		}
 	}
 
@@ -429,14 +424,15 @@ AudioRegionView::reset_width_dependent_items (double pixel_width)
 
 	for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
 
-		float x_pos = trackview.editor().frame_to_pixel (*i);
+		float x_pos = trackview.editor().sample_to_pixel (*i);
 
-		ArdourCanvas::Points points;
-		points.push_back(Gnome::Art::Point(x_pos, 2.0)); // first x-coord needs to be a non-normal value
-		points.push_back(Gnome::Art::Point(x_pos, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
+		(*l).second->set (ArdourCanvas::Duple (x_pos, 2.0),
+				  ArdourCanvas::Duple (x_pos, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
 
 		(*l).first = *i;
-		(*l).second->property_points() = points;
+
+		(*l).second->set (ArdourCanvas::Duple (x_pos, 2.0),
+				  ArdourCanvas::Duple (x_pos, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
 	}
 
 	reset_fade_shapes ();
@@ -446,30 +442,23 @@ void
 AudioRegionView::region_muted ()
 {
 	RegionView::region_muted();
-
-	for (uint32_t n=0; n < waves.size(); ++n) {
-		if (_region->muted()) {
-			waves[n]->property_wave_color() = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA);
-		} else {
-			waves[n]->property_wave_color() = ARDOUR_UI::config()->canvasvar_WaveForm.get();
-		}
-	}
+	set_waveform_colors ();
 }
 
 void
 AudioRegionView::setup_fade_handle_positions()
 {
 	/* position of fade handle offset from the top of the region view */
-	double const handle_pos = 2;
+	double const handle_pos = 1.0;
 
 	if (fade_in_handle) {
-		fade_in_handle->property_y1() = handle_pos;
-		fade_in_handle->property_y2() = handle_pos + handle_size;
+		fade_in_handle->set_y0 (handle_pos);
+		fade_in_handle->set_y1 (handle_pos + handle_size);
 	}
 
 	if (fade_out_handle) {
-		fade_out_handle->property_y1() = handle_pos;
-		fade_out_handle->property_y2() = handle_pos + handle_size;
+		fade_out_handle->set_y0 (handle_pos);
+		fade_out_handle->set_y1 (handle_pos + handle_size);
 	}
 }
 
@@ -491,8 +480,8 @@ AudioRegionView::set_height (gdouble height)
 
 		gdouble yoff = n * (ht + 1);
 
-		waves[n]->property_height() = ht;
-		waves[n]->property_y() = yoff + 2;
+		waves[n]->set_height (ht);
+		waves[n]->set_y_position (yoff + 2);
 	}
 
 	if (gain_line) {
@@ -513,28 +502,19 @@ AudioRegionView::set_height (gdouble height)
 
 	for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
 
-		float pos_x = trackview.editor().frame_to_pixel((*l).first);
-
-		ArdourCanvas::Points points;
+		float pos_x = trackview.editor().sample_to_pixel((*l).first);
 
-		points.push_back(Gnome::Art::Point(pos_x, 2.0)); // first x-coord needs to be a non-normal value
-		points.push_back(Gnome::Art::Point(pos_x, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
-
-		(*l).second->property_points() = points;
-	}
-
-	if (fade_position_line) {
-
-		if (height < NAME_HIGHLIGHT_THRESH) {
-			fade_position_line->property_y2() = _height - 1;
-		}
-		else {
-			fade_position_line->property_y2() = _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1;
+		if (height >= NAME_HIGHLIGHT_THRESH) {
+			(*l).second->set (ArdourCanvas::Duple (pos_x, 2.0),
+					  ArdourCanvas::Duple (pos_x, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
+		} else {
+			(*l).second->set (ArdourCanvas::Duple (pos_x, 2.0),
+					  ArdourCanvas::Duple (pos_x, _height - 1));
 		}
 	}
 
-	if (name_pixbuf) {
-		name_pixbuf->raise_to_top();
+	if (name_text) {
+		name_text->raise_to_top();
 	}
 }
 
@@ -548,62 +528,30 @@ AudioRegionView::reset_fade_shapes ()
 void
 AudioRegionView::reset_fade_in_shape ()
 {
-	reset_fade_in_shape_width ((framecnt_t) audio_region()->fade_in()->back()->when);
+	reset_fade_in_shape_width (audio_region(), (framecnt_t) audio_region()->fade_in()->back()->when);
 }
 
 void
-AudioRegionView::reset_fade_in_shape_width (framecnt_t width)
+AudioRegionView::reset_fade_in_shape_width (boost::shared_ptr<AudioRegion> ar, framecnt_t width)
 {
-	if (dragging()) {
-		return;
-	}
-
-	if (audio_region()->fade_in_is_xfade()) {
-		if (fade_in_handle) {
-			fade_in_handle->hide ();
-			fade_in_shape->hide ();
-		}
-		redraw_start_xfade ();
-		return;
-	} else {
-		if (start_xfade_in) {
-			start_xfade_in->hide ();
-			start_xfade_out->hide ();
-			start_xfade_rect->hide ();
-			_start_xfade_visible = false;
-		}
-	}
-
 	if (fade_in_handle == 0) {
 		return;
 	}
 
-	fade_in_handle->show ();
-
 	/* smallest size for a fade is 64 frames */
 
 	width = std::max ((framecnt_t) 64, width);
 
-	Points* points;
-
 	/* round here to prevent little visual glitches with sub-pixel placement */
-	double const pwidth = rint (width / samples_per_unit);
-	uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
-	double h;
-
-	if (_height < 5) {
-		fade_in_shape->hide();
-		fade_in_handle->hide();
-		return;
-	}
-
-	double const handle_center = pwidth;
+	double const pwidth = rint (width / samples_per_pixel);
+	double const handle_left = pwidth;
 
 	/* Put the fade in handle so that its left side is at the end-of-fade line */
-	fade_in_handle->property_x1() = handle_center;
-	fade_in_handle->property_x2() = handle_center + handle_size;
+	fade_in_handle->set_x0 (handle_left);
+	fade_in_handle->set_x1 (handle_left + handle_size);
 
 	if (pwidth < 5) {
+		hide_start_xfade();
 		fade_in_shape->hide();
 		return;
 	}
@@ -612,112 +560,76 @@ AudioRegionView::reset_fade_in_shape_width (framecnt_t width)
 		fade_in_shape->show();
 	}
 
-	float curve[npoints];
-	audio_region()->fade_in()->curve().get_vector (0, audio_region()->fade_in()->back()->when, curve, npoints);
+	uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
+	double effective_height;
+	std::vector<float> curve(npoints);
 
-	points = get_canvas_points ("fade in shape", npoints + 3);
+	audio_region()->fade_in()->curve().get_vector (0, audio_region()->fade_in()->back()->when, &curve[0], npoints);
 
 	if (_height >= NAME_HIGHLIGHT_THRESH) {
-		h = _height - NAME_HIGHLIGHT_SIZE - 2;
+		effective_height = _height - NAME_HIGHLIGHT_SIZE;
 	} else {
-		h = _height;
+		effective_height = _height;
 	}
 
+	Points points;
+
+	points.assign (npoints, Duple());
+
 	/* points *MUST* be in anti-clockwise order */
 
 	uint32_t pi, pc;
 	double xdelta = pwidth/npoints;
 
 	for (pi = 0, pc = 0; pc < npoints; ++pc) {
-		(*points)[pi].set_x(1 + (pc * xdelta));
-		(*points)[pi++].set_y(2 + (h - (curve[pc] * h)));
+		points[pi].x = 1.0 + (pc * xdelta);
+		points[pi++].y = 1.0 + effective_height - (curve[pc] * effective_height);
 	}
 
-	/* fold back */
-
-	(*points)[pi].set_x(pwidth);
-	(*points)[pi++].set_y(2);
-
-	(*points)[pi].set_x(1);
-	(*points)[pi++].set_y(2);
-
-	/* connect the dots ... */
+	/* draw the line */
 
-	(*points)[pi] = (*points)[0];
+	redraw_start_xfade_to (ar, width, points, effective_height, handle_left);
 
-	fade_in_shape->property_points() = *points;
-	delete points;
+	// fade_in_shape->set (points);
 
 	/* ensure trim handle stays on top */
 	if (frame_handle_start) {
 		frame_handle_start->raise_to_top();
 	}
+
 }
 
 void
 AudioRegionView::reset_fade_out_shape ()
 {
-	reset_fade_out_shape_width ((framecnt_t) audio_region()->fade_out()->back()->when);
+	reset_fade_out_shape_width (audio_region(), (framecnt_t) audio_region()->fade_out()->back()->when);
 }
 
 void
-AudioRegionView::reset_fade_out_shape_width (framecnt_t width)
+AudioRegionView::reset_fade_out_shape_width (boost::shared_ptr<AudioRegion> ar, framecnt_t width)
 {
-	if (dragging() && audio_region()->fade_out_is_xfade()) {
-		/* we hide xfades while dragging regions */
-		return;
-	}
-
-	if (audio_region()->fade_out_is_xfade()) {
-		if (fade_out_handle) {
-			fade_out_handle->hide ();
-			fade_out_shape->hide ();
-		}
-		redraw_end_xfade ();
-		return;
-	} else {
-		if (end_xfade_in) {
-			end_xfade_in->hide ();
-			end_xfade_out->hide ();
-			end_xfade_rect->hide ();
-			_end_xfade_visible = false;
-		}
-	}
-
 	if (fade_out_handle == 0) {
 		return;
 	}
 
-	fade_out_handle->show ();
-
 	/* smallest size for a fade is 64 frames */
 
 	width = std::max ((framecnt_t) 64, width);
 
-	Points* points;
-
 	/* round here to prevent little visual glitches with sub-pixel placement */
-	double const pwidth = rint (width / samples_per_unit);
-	uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
-	double h;
+	double const pwidth = rint (width / samples_per_pixel);
 
-	if (_height < 5) {
-		fade_out_shape->hide();
-		fade_out_handle->hide();
-		return;
-	}
-
-	double const handle_center = (_region->length() - width) / samples_per_unit;
+	double const handle_right = (_region->length() / samples_per_pixel) - pwidth;
 
 	/* Put the fade out handle so that its right side is at the end-of-fade line;
-	 * it's `one out' for precise pixel accuracy.
 	 */
-	fade_out_handle->property_x1() = handle_center - 5;
-	fade_out_handle->property_x2() = handle_center + 1;
+	fade_out_handle->set_x0 (handle_right - handle_size);
+	fade_out_handle->set_x1 (handle_right);
 
 	/* don't show shape if its too small */
 
 	if (pwidth < 5) {
+		hide_end_xfade();
 		fade_out_shape->hide();
 		return;
 	}
@@ -726,46 +638,43 @@ AudioRegionView::reset_fade_out_shape_width (framecnt_t width)
 		fade_out_shape->show();
 	}
 
-	float curve[npoints];
-	audio_region()->fade_out()->curve().get_vector (0, audio_region()->fade_out()->back()->when, curve, npoints);
+	uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth);
+	double effective_height;
+	std::vector<float> curve(npoints);
+
+	audio_region()->fade_out()->curve().get_vector (0, audio_region()->fade_out()->back()->when, &curve[0], npoints);
 
 	if (_height >= NAME_HIGHLIGHT_THRESH) {
-		h = _height - NAME_HIGHLIGHT_SIZE - 2;
+		effective_height = _height - NAME_HIGHLIGHT_SIZE;
 	} else {
-		h = _height;
+		effective_height = _height;
 	}
 
 	/* points *MUST* be in anti-clockwise order */
-
-	points = get_canvas_points ("fade out shape", npoints + 3);
-
+	
+	Points points;
+	
 	uint32_t pi, pc;
 	double xdelta = pwidth/npoints;
-
-	for (pi = 0, pc = 0; pc < npoints; ++pc) {
-		(*points)[pi].set_x(_pixel_width - pwidth + (pc * xdelta));
-		(*points)[pi++].set_y(2 + (h - (curve[pc] * h)));
+	
+	points.assign (npoints, Duple ());
+	
+	for (pi = 0, pc = 0; pc < npoints; ++pc, ++pi) {
+		points[pi].x = 1.0 + _pixel_width - pwidth + (pc * xdelta);
+		points[pi].y = 1.0 + effective_height - (curve[pc] * effective_height);
 	}
 
-	/* fold back */
-
-	(*points)[pi].set_x(_pixel_width);
-	(*points)[pi++].set_y(h);
-
-	(*points)[pi].set_x(_pixel_width);
-	(*points)[pi++].set_y(2);
+	/* draw the line */
 
-	/* connect the dots ... */
+	redraw_end_xfade_to (ar, width, points, effective_height, handle_right, pwidth-1);
 
-	(*points)[pi] = (*points)[0];
-
-	fade_out_shape->property_points() = *points;
-	delete points;
+	// fade_out_shape->set (points);
 
 	/* ensure trim handle stays on top */
 	if (frame_handle_end) {
 		frame_handle_end->raise_to_top();
 	}
+
 }
 
 framepos_t
@@ -782,219 +691,479 @@ AudioRegionView::get_fade_out_shape_width ()
 
 
 void
-AudioRegionView::set_samples_per_unit (gdouble spu)
+AudioRegionView::redraw_start_xfade ()
 {
-	RegionView::set_samples_per_unit (spu);
-
-	if (Config->get_show_waveforms ()) {
-		for (uint32_t n = 0; n < waves.size(); ++n) {
-			waves[n]->property_samples_per_unit() = spu;
-		}
-	}
+	boost::shared_ptr<AudioRegion> ar (audio_region());
 
-	if (gain_line) {
-		gain_line->reset ();
+	if (!ar->fade_in() || ar->fade_in()->empty()) {
+		return;
 	}
 
-	reset_fade_shapes ();
+	show_start_xfade();
+	reset_fade_in_shape_width (ar, ar->fade_in()->back()->when);
 }
 
 void
-AudioRegionView::set_amplitude_above_axis (gdouble spp)
+AudioRegionView::redraw_start_xfade_to (boost::shared_ptr<AudioRegion> ar, framecnt_t /*width*/, Points& points, double effective_height,
+					double rect_width)
 {
-	for (uint32_t n=0; n < waves.size(); ++n) {
-		waves[n]->property_amplitude_above_axis() = spp;
+	if (points.size() < 3) {
+		return;
 	}
-}
 
-void
-AudioRegionView::compute_colors (Gdk::Color const & basic_color)
-{
-	RegionView::compute_colors (basic_color);
+	if (!start_xfade_in) {
+		start_xfade_in = new ArdourCanvas::PolyLine (group);
+		CANVAS_DEBUG_NAME (start_xfade_in, string_compose ("xfade start in line for %1", region()->name()));
+		start_xfade_in->set_outline_color (ARDOUR_UI::config()->get_canvasvar_CrossfadeLine());
+		start_xfade_in->set_outline_width (1.5);
+	}
 
-	/* gain color computed in envelope_active_changed() */
+	if (!start_xfade_out) {
+		start_xfade_out = new ArdourCanvas::PolyLine (group);
+		CANVAS_DEBUG_NAME (start_xfade_out, string_compose ("xfade start out line for %1", region()->name()));
+		uint32_t col = UINT_RGBA_CHANGE_A (ARDOUR_UI::config()->get_canvasvar_CrossfadeLine(), 128);
+		start_xfade_out->set_outline_color (col);
+		start_xfade_out->set_outline_width (2.0);
+	}
 
-	fade_color = UINT_RGBA_CHANGE_A (fill_color, 120);
-}
+	if (!start_xfade_rect) {
+		start_xfade_rect = new ArdourCanvas::Rectangle (group);
+		CANVAS_DEBUG_NAME (start_xfade_rect, string_compose ("xfade start rect for %1", region()->name()));
+		start_xfade_rect->set_fill (true);
+		start_xfade_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_ActiveCrossfade());
+		start_xfade_rect->set_outline (false);
+		start_xfade_rect->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_start_xfade_event), start_xfade_rect, this));
+		start_xfade_rect->set_data ("regionview", this);
+	}
 
-void
-AudioRegionView::set_colors ()
-{
-	RegionView::set_colors();
+	start_xfade_rect->set (ArdourCanvas::Rect (1.0, 1.0, rect_width, effective_height));
+	start_xfade_rect->show ();
 
-	if (gain_line) {
-		gain_line->set_line_color (audio_region()->envelope_active() ? ARDOUR_UI::config()->canvasvar_GainLine.get() : ARDOUR_UI::config()->canvasvar_GainLineInactive.get());
-	}
+	start_xfade_in->set (points);
+	start_xfade_in->show ();
 
-	for (uint32_t n=0; n < waves.size(); ++n) {
-		if (_region->muted()) {
-			waves[n]->property_wave_color() = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA);
-		} else {
-			waves[n]->property_wave_color() = ARDOUR_UI::config()->canvasvar_WaveForm.get();
-		}
+	/* fade out line */
 
-		waves[n]->property_clip_color() = ARDOUR_UI::config()->canvasvar_WaveFormClip.get();
-		waves[n]->property_zero_color() = ARDOUR_UI::config()->canvasvar_ZeroLine.get();
-	}
-}
+	boost::shared_ptr<AutomationList> inverse = ar->inverse_fade_in();
+	Points ipoints;
+	Points::size_type npoints = points.size();
 
-void
-AudioRegionView::setup_waveform_visibility ()
-{
-	if (Config->get_show_waveforms ()) {
-		for (uint32_t n = 0; n < waves.size(); ++n) {
-			/* make sure the zoom level is correct, since we don't update
-			   this when waveforms are hidden.
-			*/
-			waves[n]->property_samples_per_unit() = samples_per_unit;
-			waves[n]->show();
+	ipoints.assign (npoints, Duple());
+
+	if (!inverse) {
+
+		/* no inverse curve defined, show the inverse of the normal one */
+
+		for (Points::size_type i = 0, pci = 0; i < npoints; ++i, ++pci) {
+			ArdourCanvas::Duple &p (ipoints[pci]);
+			p.x = 1.0 + i;
+			/* invert with respect to y-axis */
+			p.y = 1.0 + effective_height - points[pci].y;
 		}
+
 	} else {
-		for (uint32_t n = 0; n < waves.size(); ++n) {
-			waves[n]->hide();
+
+		std::vector<float> vec(npoints);
+		inverse->curve().get_vector (0, inverse->back()->when, &vec[0], npoints);
+		
+		for (Points::size_type i = 0, pci = 0; i < npoints; ++i, ++pci) {
+			ArdourCanvas::Duple &p (ipoints[pci]);
+			p.x = 1.0 + i;
+			p.y = 1.0 + effective_height - (effective_height * vec[i]);
 		}
 	}
-}
 
-void
-AudioRegionView::temporarily_hide_envelope ()
-{
-	if (gain_line) {
-		gain_line->hide ();
-	}
-}
+	start_xfade_out->set (ipoints);
+	start_xfade_out->show ();
 
-void
-AudioRegionView::unhide_envelope ()
-{
-	update_envelope_visibility ();
+	show_start_xfade();
 }
 
 void
-AudioRegionView::update_envelope_visibility ()
+AudioRegionView::redraw_end_xfade ()
 {
-	if (!gain_line) {
+	boost::shared_ptr<AudioRegion> ar (audio_region());
+
+	if (!ar->fade_out() || ar->fade_out()->empty()) {
 		return;
 	}
 
-	if (Config->get_show_region_gain() || trackview.editor().current_mouse_mode() == Editing::MouseGain) {
-		gain_line->add_visibility (AutomationLine::Line);
-	} else {
-		gain_line->hide ();
-	}
+	show_end_xfade();
+	
+	reset_fade_out_shape_width (ar, ar->fade_out()->back()->when);
 }
 
 void
-AudioRegionView::create_waves ()
+AudioRegionView::redraw_end_xfade_to (boost::shared_ptr<AudioRegion> ar, framecnt_t width, Points& points, double effective_height,
+				      double rect_edge, double rect_width)
 {
-	// cerr << "AudioRegionView::create_waves() called on " << this << endl;//DEBUG
-	RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
-
-	if (!atv.track()) {
+	if (points.size() < 3) {
 		return;
 	}
 
-	ChanCount nchans = atv.track()->n_channels();
-
-	// cerr << "creating waves for " << _region->name() << " with wfd = " << wait_for_data
-	//		<< " and channels = " << nchans.n_audio() << endl;
-
-	/* in tmp_waves, set up null pointers for each channel so the vector is allocated */
-	for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
-		tmp_waves.push_back (0);
+	if (!end_xfade_in) {
+		end_xfade_in = new ArdourCanvas::PolyLine (group);
+		CANVAS_DEBUG_NAME (end_xfade_in, string_compose ("xfade end in line for %1", region()->name()));
+		uint32_t col UINT_RGBA_CHANGE_A (ARDOUR_UI::config()->get_canvasvar_CrossfadeLine(), 128);
+		end_xfade_in->set_outline_color (col);
+		end_xfade_in->set_outline_width (1.5);
 	}
 
-	for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
-		delete *i;
+	if (!end_xfade_out) {
+		end_xfade_out = new ArdourCanvas::PolyLine (group);
+		CANVAS_DEBUG_NAME (end_xfade_out, string_compose ("xfade end out line for %1", region()->name()));
+		end_xfade_out->set_outline_color (ARDOUR_UI::config()->get_canvasvar_CrossfadeLine());
+		end_xfade_out->set_outline_width (2.0);
 	}
 
-	_data_ready_connections.clear ();
-
-	for (uint32_t i = 0; i < nchans.n_audio(); ++i) {
-		_data_ready_connections.push_back (0);
+	if (!end_xfade_rect) {
+		end_xfade_rect = new ArdourCanvas::Rectangle (group);
+		CANVAS_DEBUG_NAME (end_xfade_rect, string_compose ("xfade end rect for %1", region()->name()));
+		end_xfade_rect->set_fill (true);
+		end_xfade_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_ActiveCrossfade());
+		end_xfade_rect->set_outline (0);
+		end_xfade_rect->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_end_xfade_event), end_xfade_rect, this));
+		end_xfade_rect->set_data ("regionview", this);
 	}
 
-	for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
+	end_xfade_rect->set (ArdourCanvas::Rect (rect_edge, 1.0, rect_edge + rect_width + TimeAxisViewItem::RIGHT_EDGE_SHIFT, effective_height));
+	end_xfade_rect->show ();
 
-		if (n >= audio_region()->n_channels()) {
-			break;
-		}
+	end_xfade_in->set (points);
+	end_xfade_in->show ();
+	end_xfade_in->raise_to_top ();
 
-		wave_caches.push_back (WaveView::create_cache ());
+	/* fade in line */
 
-		// cerr << "\tchannel " << n << endl;
+	boost::shared_ptr<AutomationList> inverse = ar->inverse_fade_out ();
+	Points ipoints;
+	Points::size_type npoints = points.size();
 
-		if (wait_for_data) {
-			if (audio_region()->audio_source(n)->peaks_ready (boost::bind (&AudioRegionView::peaks_ready_handler, this, n), &_data_ready_connections[n], gui_context())) {
-				// cerr << "\tData is ready\n";
-				create_one_wave (n, true);
-			} else {
-				// cerr << "\tdata is not ready\n";
-				// we'll get a PeaksReady signal from the source in the future
-				// and will call create_one_wave(n) then.
-			}
+	ipoints.assign (npoints, Duple());
 
-		} else {
-			// cerr << "\tdon't delay, display today!\n";
-			create_one_wave (n, true);
-		}
+	if (!inverse) {
 
-	}
-}
+		const double rend = trackview.editor().sample_to_pixel (_region->length() - points.back().y);
 
-void
-AudioRegionView::create_one_wave (uint32_t which, bool /*direct*/)
-{
-	//cerr << "AudioRegionView::create_one_wave() called which: " << which << " this: " << this << endl;//DEBUG
-	RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
-	uint32_t nchans = atv.track()->n_channels().n_audio();
-	uint32_t n;
-	uint32_t nwaves = std::min (nchans, audio_region()->n_channels());
-	gdouble ht;
+		for (Points::size_type i = 0, pci = 0; i < npoints; ++i, ++pci) {
+			ArdourCanvas::Duple &p (ipoints[pci]);
+			p.x = 1.0 + rend + i;
+			p.y = 1.0 + effective_height - points[pci].y;
+		}
 
-	if (trackview.current_height() < NAME_HIGHLIGHT_THRESH) {
-		ht = ((trackview.current_height()) / (double) nchans);
 	} else {
-		ht = ((trackview.current_height() - NAME_HIGHLIGHT_SIZE) / (double) nchans);
-	}
 
-	gdouble yoff = which * ht;
+		boost::scoped_array<float> vec (new float[npoints]);
+		inverse->curve().get_vector (inverse->front()->when, inverse->back()->when, vec.get(), npoints);
 
-	WaveView *wave = new WaveView(*group);
-
-	wave->property_data_src() = (gpointer) _region.get();
-	wave->property_cache() =  wave_caches[which];
-	wave->property_cache_updater() = true;
-	wave->property_channel() =  which;
-	wave->property_length_function() = (gpointer) region_length_from_c;
-	wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
-	wave->property_peak_function() =  (gpointer) region_read_peaks_from_c;
-	wave->property_x() =  0.0;
-	wave->property_y() =  yoff;
-	wave->property_height() =  (double) ht;
-	wave->property_samples_per_unit() =  samples_per_unit;
-	wave->property_amplitude_above_axis() =  _amplitude_above_axis;
-
-	if (_recregion) {
-		wave->property_wave_color() = _region->muted() ? UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_RecWaveForm.get(), MUTED_ALPHA) : ARDOUR_UI::config()->canvasvar_RecWaveForm.get();
-		wave->property_fill_color() = ARDOUR_UI::config()->canvasvar_RecWaveFormFill.get();
-	} else {
-		wave->property_wave_color() = _region->muted() ? UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA) : ARDOUR_UI::config()->canvasvar_WaveForm.get();
-		wave->property_fill_color() = ARDOUR_UI::config()->canvasvar_WaveFormFill.get();
-	}
+		const double rend = trackview.editor().sample_to_pixel (_region->length() - width);
 
-	wave->property_clip_color() = ARDOUR_UI::config()->canvasvar_WaveFormClip.get();
-	wave->property_zero_color() = ARDOUR_UI::config()->canvasvar_ZeroLine.get();
-	wave->property_zero_line() = true;
-	wave->property_region_start() = _region->start();
-	wave->property_rectified() = Config->get_waveform_shape() == Rectified;
-	wave->property_logscaled() = Config->get_waveform_scale() == Logarithmic;
+		float* vp = vec.get();
 
-	if (!Config->get_show_waveforms ()) {
-		wave->hide();
+		for (Points::size_type i = 0, pci = 0; i < npoints; ++i) {
+			ArdourCanvas::Duple& p (ipoints[pci++]);
+			p.x = 1.0 + rend + i;
+			p.y = 1.0 + effective_height - (effective_height * vp[i]);
+		}
 	}
 
-	/* note: calling this function is serialized by the lock
+	end_xfade_out->set (ipoints);
+	end_xfade_out->show ();
+	end_xfade_out->raise_to_top ();
+
+	end_xfade_rect->raise_to_top ();  //this needs to be topmost so the lines don't steal mouse focus
+
+	show_end_xfade();
+}
+
+void
+AudioRegionView::hide_xfades ()
+{
+	hide_start_xfade ();
+	hide_end_xfade ();
+}
+
+void
+AudioRegionView::hide_start_xfade ()
+{
+	if (start_xfade_in) {
+		start_xfade_in->hide();
+	}
+	if (start_xfade_out) {
+		start_xfade_out->hide();
+	}
+	if (start_xfade_rect) {
+		start_xfade_rect->hide ();
+	}
+
+	_start_xfade_visible = false;
+}
+
+void
+AudioRegionView::hide_end_xfade ()
+{
+	if (end_xfade_in) {
+		end_xfade_in->hide();
+	}
+	if (end_xfade_out) {
+		end_xfade_out->hide();
+	}
+	if (end_xfade_rect) {
+		end_xfade_rect->hide ();
+	}
+
+	_end_xfade_visible = false;
+}
+
+void
+AudioRegionView::show_start_xfade ()
+{
+	if (start_xfade_in) {
+		start_xfade_in->show();
+	}
+	if (start_xfade_out) {
+		start_xfade_out->show();
+	}
+	if (start_xfade_rect) {
+		start_xfade_rect->show ();
+	}
+
+	_start_xfade_visible = true;
+}
+
+void
+AudioRegionView::show_end_xfade ()
+{
+	if (end_xfade_in) {
+		end_xfade_in->show();
+	}
+	if (end_xfade_out) {
+		end_xfade_out->show();
+	}
+	if (end_xfade_rect) {
+		end_xfade_rect->show ();
+	}
+
+	_end_xfade_visible = true;
+}
+
+void
+AudioRegionView::set_samples_per_pixel (gdouble fpp)
+{
+	RegionView::set_samples_per_pixel (fpp);
+
+	if (Config->get_show_waveforms ()) {
+		for (uint32_t n = 0; n < waves.size(); ++n) {
+			waves[n]->set_samples_per_pixel (fpp);
+		}
+	}
+
+	if (gain_line) {
+		gain_line->reset ();
+	}
+
+	reset_fade_shapes ();
+}
+
+void
+AudioRegionView::set_amplitude_above_axis (gdouble a)
+{
+	for (uint32_t n=0; n < waves.size(); ++n) {
+		waves[n]->set_amplitude_above_axis (a);
+	}
+}
+
+void
+AudioRegionView::compute_colors (Gdk::Color const & basic_color)
+{
+	RegionView::compute_colors (basic_color);
+
+	/* gain color computed in envelope_active_changed() */
+
+	fade_color = UINT_RGBA_CHANGE_A (fill_color, 120);
+}
+
+void
+AudioRegionView::set_colors ()
+{
+	RegionView::set_colors();
+
+	if (gain_line) {
+		gain_line->set_line_color (audio_region()->envelope_active() ? 
+					   ARDOUR_UI::config()->get_canvasvar_GainLine() : 
+					   ARDOUR_UI::config()->get_canvasvar_GainLineInactive());
+	}
+
+	set_waveform_colors ();
+
+	if (start_xfade_in) {
+		start_xfade_in->set_outline_color (ARDOUR_UI::config()->get_canvasvar_CrossfadeLine());
+	}
+	if (start_xfade_out) {
+		uint32_t col UINT_RGBA_CHANGE_A (ARDOUR_UI::config()->get_canvasvar_CrossfadeLine(), 128);
+		start_xfade_out->set_outline_color (col);
+	}
+	if (end_xfade_in) {
+		end_xfade_in->set_outline_color (ARDOUR_UI::config()->get_canvasvar_CrossfadeLine());
+	}
+	if (end_xfade_out) {
+		uint32_t col UINT_RGBA_CHANGE_A (ARDOUR_UI::config()->get_canvasvar_CrossfadeLine(), 128);
+		end_xfade_out->set_outline_color (col);
+	}
+
+	if (start_xfade_rect) {
+		start_xfade_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_ActiveCrossfade());
+	}
+	if (end_xfade_rect) {
+		end_xfade_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_ActiveCrossfade());
+	}
+}
+
+void
+AudioRegionView::setup_waveform_visibility ()
+{
+	if (Config->get_show_waveforms ()) {
+		for (uint32_t n = 0; n < waves.size(); ++n) {
+			/* make sure the zoom level is correct, since we don't update
+			   this when waveforms are hidden.
+			*/
+			// CAIROCANVAS
+			// waves[n]->set_samples_per_pixel (_samples_per_pixel);
+			waves[n]->show();
+		}
+	} else {
+		for (uint32_t n = 0; n < waves.size(); ++n) {
+			waves[n]->hide();
+		}
+	}
+}
+
+void
+AudioRegionView::temporarily_hide_envelope ()
+{
+	if (gain_line) {
+		gain_line->hide ();
+	}
+}
+
+void
+AudioRegionView::unhide_envelope ()
+{
+	update_envelope_visibility ();
+}
+
+void
+AudioRegionView::update_envelope_visibility ()
+{
+	if (!gain_line) {
+		return;
+	}
+
+	if (Config->get_show_region_gain() || trackview.editor().current_mouse_mode() == Editing::MouseGain) {
+		gain_line->add_visibility (AutomationLine::Line);
+	} else {
+		gain_line->hide ();
+	}
+}
+
+void
+AudioRegionView::create_waves ()
+{
+	// cerr << "AudioRegionView::create_waves() called on " << this << endl;//DEBUG
+	RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
+
+	if (!atv.track()) {
+		return;
+	}
+
+	ChanCount nchans = atv.track()->n_channels();
+
+	// cerr << "creating waves for " << _region->name() << " with wfd = " << wait_for_data
+	//		<< " and channels = " << nchans.n_audio() << endl;
+
+	/* in tmp_waves, set up null pointers for each channel so the vector is allocated */
+	for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
+		tmp_waves.push_back (0);
+	}
+
+	for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
+		delete *i;
+	}
+
+	_data_ready_connections.clear ();
+
+	for (uint32_t i = 0; i < nchans.n_audio(); ++i) {
+		_data_ready_connections.push_back (0);
+	}
+
+	for (uint32_t n = 0; n < nchans.n_audio(); ++n) {
+
+		if (n >= audio_region()->n_channels()) {
+			break;
+		}
+
+		// cerr << "\tchannel " << n << endl;
+
+		if (wait_for_data) {
+			if (audio_region()->audio_source(n)->peaks_ready (boost::bind (&AudioRegionView::peaks_ready_handler, this, n), &_data_ready_connections[n], gui_context())) {
+				// cerr << "\tData is ready\n";
+				create_one_wave (n, true);
+			} else {
+				// cerr << "\tdata is not ready\n";
+				// we'll get a PeaksReady signal from the source in the future
+				// and will call create_one_wave(n) then.
+			}
+
+		} else {
+			// cerr << "\tdon't delay, display today!\n";
+			create_one_wave (n, true);
+		}
+
+	}
+}
+
+void
+AudioRegionView::create_one_wave (uint32_t which, bool /*direct*/)
+{
+	//cerr << "AudioRegionView::create_one_wave() called which: " << which << " this: " << this << endl;//DEBUG
+	RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
+	uint32_t nchans = atv.track()->n_channels().n_audio();
+	uint32_t n;
+	uint32_t nwaves = std::min (nchans, audio_region()->n_channels());
+	gdouble ht;
+
+	if (trackview.current_height() < NAME_HIGHLIGHT_THRESH) {
+		ht = ((trackview.current_height()) / (double) nchans);
+	} else {
+		ht = ((trackview.current_height() - NAME_HIGHLIGHT_SIZE) / (double) nchans);
+	}
+
+	gdouble yoff = which * ht;
+
+	WaveView *wave = new WaveView (group, audio_region ());
+	CANVAS_DEBUG_NAME (wave, string_compose ("wave view for chn %1 of %2", which, get_item_name()));
+	
+	wave->set_channel (which);
+	wave->set_y_position (yoff);
+	wave->set_height (ht);
+	wave->set_samples_per_pixel (samples_per_pixel);
+	wave->set_show_zero_line (false);
+
+	switch (Config->get_waveform_shape()) {
+	case Rectified:
+		wave->set_shape (WaveView::Rectified);
+		break;
+	default:
+		wave->set_shape (WaveView::Normal);
+	}
+		
+	wave->set_logscaled (Config->get_waveform_scale() == Logarithmic);
+
+	if (!Config->get_show_waveforms ()) {
+		wave->hide();
+	}
+
+	/* note: calling this function is serialized by the lock
 	   held in the peak building thread that signals that
 	   peaks are ready for use *or* by the fact that it is
 	   called one by one from the GUI thread.
@@ -1050,9 +1219,9 @@ AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
 	x = ev->button.x;
 	y = ev->button.y;
 
-	item->w2i (x, y);
+	item->canvas_to_item (x, y);
 
-	framepos_t fx = trackview.editor().pixel_to_frame (x);
+	framepos_t fx = trackview.editor().pixel_to_sample (x);
 
 	if (fx > _region->length()) {
 		return;
@@ -1088,7 +1257,7 @@ AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
 }
 
 void
-AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent */*ev*/)
+AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent* /*ev*/)
 {
 	ControlPoint *cp = reinterpret_cast<ControlPoint *> (item->get_data ("control_point"));
 	audio_region()->envelope()->erase (cp->model());
@@ -1097,19 +1266,31 @@ AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent */*
 void
 AudioRegionView::setup_waveform_shape ()
 {
+	WaveView::Shape shape;
+
+	switch (Config->get_waveform_shape()) {
+	case Rectified:
+		shape = WaveView::Rectified;
+		break;
+	default:
+		shape = WaveView::Normal;
+	}
 	for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
-		(*wave)->property_rectified() = Config->get_waveform_shape() == Rectified;
+		(*wave)->set_shape (shape);
 	}
 }
 
 void
 AudioRegionView::setup_waveform_scale ()
 {
-	for (vector<WaveView *>::iterator wave = waves.begin(); wave != waves.end() ; ++wave) {
-		(*wave)->property_logscaled() = Config->get_waveform_scale() == Logarithmic;
-	}
+	WaveView::set_global_logscaled (Config->get_waveform_scale() == Logarithmic);
 }
 
+void
+AudioRegionView::setup_waveform_clipping ()
+{
+	WaveView::set_global_show_waveform_clipping (ARDOUR_UI::config()->get_show_waveform_clipping());
+}
 
 GhostRegion*
 AudioRegionView::add_ghost (TimeAxisView& tv)
@@ -1117,7 +1298,7 @@ AudioRegionView::add_ghost (TimeAxisView& tv)
 	RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
 	assert(rtv);
 
-	double unit_position = _region->position () / samples_per_unit;
+	double unit_position = _region->position () / samples_per_pixel;
 	AudioGhostRegion* ghost = new AudioGhostRegion (tv, trackview, unit_position);
 	uint32_t nchans;
 
@@ -1129,26 +1310,18 @@ AudioRegionView::add_ghost (TimeAxisView& tv)
 			break;
 		}
 
-		WaveView *wave = new WaveView(*ghost->group);
+		WaveView *wave = new WaveView (ghost->group, audio_region());
+		CANVAS_DEBUG_NAME (wave, string_compose ("ghost wave for %1", get_item_name()));
 
-		wave->property_data_src() = _region.get();
-		wave->property_cache() =  wave_caches[n];
-		wave->property_cache_updater() = false;
-		wave->property_channel() = n;
-		wave->property_length_function() = (gpointer)region_length_from_c;
-		wave->property_sourcefile_length_function() = (gpointer) sourcefile_length_from_c;
-		wave->property_peak_function() =  (gpointer) region_read_peaks_from_c;
-		wave->property_x() =  0.0;
-		wave->property_samples_per_unit() =  samples_per_unit;
-		wave->property_amplitude_above_axis() =  _amplitude_above_axis;
-
-		wave->property_region_start() = _region->start();
+		wave->set_channel (n);
+		wave->set_samples_per_pixel (samples_per_pixel);
+		wave->set_amplitude_above_axis (_amplitude_above_axis);
 
 		ghost->waves.push_back(wave);
 	}
 
 	ghost->set_height ();
-	ghost->set_duration (_region->length() / samples_per_unit);
+	ghost->set_duration (_region->length() / samples_per_pixel);
 	ghost->set_colors();
 	ghosts.push_back (ghost);
 
@@ -1161,15 +1334,16 @@ AudioRegionView::entered (bool internal_editing)
 	trackview.editor().set_current_trimmable (_region);
 	trackview.editor().set_current_movable (_region);
 	
-	if (gain_line && trackview.editor().current_mouse_mode() == Editing::MouseGain) {
+	if (gain_line) {
+		/* these may or may not be visible depending on mouse mode */
 		gain_line->add_visibility (AutomationLine::ControlPoints);
 	}
 
 	if (fade_in_handle && !internal_editing) {
-		fade_in_handle->property_outline_color_rgba() = RGBA_TO_UINT (0, 0, 0, 255);
-		fade_in_handle->property_fill_color_rgba() = UINT_RGBA_CHANGE_A (fade_color, 255);
-		fade_out_handle->property_outline_color_rgba() = RGBA_TO_UINT (0, 0, 0, 255);
-		fade_out_handle->property_fill_color_rgba() = UINT_RGBA_CHANGE_A (fade_color, 255);
+		fade_in_handle->show ();
+		fade_out_handle->show ();
+		fade_out_handle->raise_to_top ();
+		fade_in_handle->raise_to_top ();
 	}
 }
 
@@ -1179,48 +1353,24 @@ AudioRegionView::exited ()
 	trackview.editor().set_current_trimmable (boost::shared_ptr<Trimmable>());
 	trackview.editor().set_current_movable (boost::shared_ptr<Movable>());
 
-	if (gain_line && trackview.editor().current_mouse_mode() == Editing::MouseGain) {
-		gain_line->remove_visibility (AutomationLine::ControlPoints);
-	}
-
-	if (fade_in_handle) {
-		fade_in_handle->property_outline_color_rgba() = RGBA_TO_UINT (0, 0, 0, 0);
-		fade_in_handle->property_fill_color_rgba() = UINT_RGBA_CHANGE_A (fade_color, 0);
-		fade_out_handle->property_outline_color_rgba() = RGBA_TO_UINT (0, 0, 0, 0);
-		fade_out_handle->property_fill_color_rgba() = UINT_RGBA_CHANGE_A (fade_color, 0);
-	}
-}
-
-void
-AudioRegionView::envelope_active_changed ()
-{
 	if (gain_line) {
-		gain_line->set_line_color (audio_region()->envelope_active() ? ARDOUR_UI::config()->canvasvar_GainLine.get() : ARDOUR_UI::config()->canvasvar_GainLineInactive.get());
-	}
-}
-
-void
-AudioRegionView::set_waveview_data_src()
-{
-	AudioGhostRegion* agr;
-	double unit_length= _region->length() / samples_per_unit;
-
-	for (uint32_t n = 0; n < waves.size(); ++n) {
-		// TODO: something else to let it know the channel
-		waves[n]->property_data_src() = _region.get();
+		gain_line->remove_visibility (AutomationLine::ControlPoints);
 	}
-
-	for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
-
-		(*i)->set_duration (unit_length);
-
-		if((agr = dynamic_cast<AudioGhostRegion*>(*i)) != 0) {
-			for (vector<WaveView*>::iterator w = agr->waves.begin(); w != agr->waves.end(); ++w) {
-				(*w)->property_data_src() = _region.get();
-			}
-		}
+
+	if (fade_in_handle) {
+		fade_in_handle->hide ();
+		fade_out_handle->hide ();
 	}
+}
 
+void
+AudioRegionView::envelope_active_changed ()
+{
+	if (gain_line) {
+		gain_line->set_line_color (audio_region()->envelope_active() ? 
+					   ARDOUR_UI::config()->get_canvasvar_GainLine() : 
+					   ARDOUR_UI::config()->get_canvasvar_GainLineInactive());
+	}
 }
 
 void
@@ -1238,6 +1388,63 @@ AudioRegionView::color_handler ()
 
 }
 
+void
+AudioRegionView::set_waveform_colors ()
+{
+        for (vector<ArdourCanvas::WaveView*>::iterator w = waves.begin(); w != waves.end(); ++w) {
+		set_one_waveform_color (*w);
+	}
+}
+
+void
+AudioRegionView::set_one_waveform_color (ArdourCanvas::WaveView* wave)
+{
+	ArdourCanvas::Color fill;
+	ArdourCanvas::Color outline;
+	
+	if (_selected) {
+		if (_region->muted()) {
+			/* hide outline with zero alpha */
+			outline = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->get_canvasvar_SelectedWaveForm(), 0);
+			fill = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->get_canvasvar_SelectedWaveFormFill(), MUTED_ALPHA);
+		} else {
+			outline = ARDOUR_UI::config()->get_canvasvar_SelectedWaveForm();
+			fill = ARDOUR_UI::config()->get_canvasvar_SelectedWaveFormFill();
+		}
+	} else {
+		if (_recregion) {
+			outline = ARDOUR_UI::config()->get_canvasvar_RecWaveForm();
+			fill = ARDOUR_UI::config()->get_canvasvar_RecWaveFormFill();
+		} else {
+			if (_region->muted()) {
+				/* hide outline with zero alpha */
+				outline = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->get_canvasvar_WaveForm(), 0);	
+				fill = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->get_canvasvar_WaveFormFill(), MUTED_ALPHA);
+			} else {
+				outline = ARDOUR_UI::config()->get_canvasvar_WaveForm();
+				fill = ARDOUR_UI::config()->get_canvasvar_WaveFormFill();
+			}
+		}
+	}
+
+	if (ARDOUR_UI::config()->get_color_regions_using_track_color()) {
+
+		/* just use a slightly transparent version of the selected
+		 * color so that some of the track color bleeds through
+		 */
+
+		double r, g, b, a;
+		ArdourCanvas::color_to_rgba (fill, r, g, b, a);
+		fill = ArdourCanvas::rgba_to_color (r, g, b, 0.85); /* magic number, not user controllable */
+		outline = ARDOUR_UI::config()->get_canvasvar_WaveForm();
+	}
+
+	wave->set_fill_color (fill);
+	wave->set_outline_color (outline);
+	wave->set_clip_color (ARDOUR_UI::config()->get_canvasvar_WaveFormClip());
+	wave->set_zero_color (ARDOUR_UI::config()->get_canvasvar_ZeroLine());
+}
+
 void
 AudioRegionView::set_frame_color ()
 {
@@ -1253,42 +1460,7 @@ AudioRegionView::set_frame_color ()
 
 	TimeAxisViewItem::set_frame_color ();
 
-        uint32_t wc;
-        uint32_t fc;
-
-	if (_selected) {
-                if (_region->muted()) {
-                        wc = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_SelectedWaveForm.get(), MUTED_ALPHA);
-                } else {
-                        wc = ARDOUR_UI::config()->canvasvar_SelectedWaveForm.get();
-                }
-                fc = ARDOUR_UI::config()->canvasvar_SelectedWaveFormFill.get();
-	} else {
-		if (_recregion) {
-                        if (_region->muted()) {
-                                wc = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_RecWaveForm.get(), MUTED_ALPHA);
-                        } else {
-                                wc = ARDOUR_UI::config()->canvasvar_RecWaveForm.get();
-                        }
-                        fc = ARDOUR_UI::config()->canvasvar_RecWaveFormFill.get();
-		} else {
-                        if (_region->muted()) {
-                                wc = UINT_RGBA_CHANGE_A(ARDOUR_UI::config()->canvasvar_WaveForm.get(), MUTED_ALPHA);
-                        } else {
-                                wc = ARDOUR_UI::config()->canvasvar_WaveForm.get();
-                        }
-                        fc = ARDOUR_UI::config()->canvasvar_WaveFormFill.get();
-		}
-	}
-
-        for (vector<ArdourCanvas::WaveView*>::iterator w = waves.begin(); w != waves.end(); ++w) {
-                if (_region->muted()) {
-                        (*w)->property_wave_color() = wc;
-                } else {
-                        (*w)->property_wave_color() = wc;
-                        (*w)->property_fill_color() = fc;
-                }
-        }
+	set_waveform_colors ();
 }
 
 void
@@ -1342,27 +1514,9 @@ AudioRegionView::show_region_editor ()
 	}
 
 	editor->present ();
-	editor->set_position (Gtk::WIN_POS_MOUSE);
 	editor->show_all();
 }
 
-
-void
-AudioRegionView::show_fade_line (framepos_t pos)
-{
-	fade_position_line->property_x1() = trackview.editor().frame_to_pixel (pos);
-	fade_position_line->property_x2() = trackview.editor().frame_to_pixel (pos);
-	fade_position_line->show ();
-	fade_position_line->raise_to_top ();
-}
-
-void
-AudioRegionView::hide_fade_line ()
-{
-	fade_position_line->hide ();
-}
-
-
 void
 AudioRegionView::transients_changed ()
 {
@@ -1370,27 +1524,17 @@ AudioRegionView::transients_changed ()
 
 	while (feature_lines.size() < analysis_features.size()) {
 
-		ArdourCanvas::Line* canvas_item = new ArdourCanvas::Line(*group);
-
-		ArdourCanvas::Points points;
-
-		points.push_back(Gnome::Art::Point(-1.0, 2.0)); // first x-coord needs to be a non-normal value
-		points.push_back(Gnome::Art::Point(1.0, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
+		ArdourCanvas::Line* canvas_item = new ArdourCanvas::Line(group);
+		CANVAS_DEBUG_NAME (canvas_item, string_compose ("transient group for %1", region()->name()));
 
-		canvas_item->property_points() = points;
-		canvas_item->property_width_pixels() = 1;
-		canvas_item->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_ZeroLine.get();
-		canvas_item->property_first_arrowhead() = TRUE;
-		canvas_item->property_last_arrowhead() = TRUE;
-		canvas_item->property_arrow_shape_a() = 11.0;
-		canvas_item->property_arrow_shape_b() = 0.0;
-		canvas_item->property_arrow_shape_c() = 4.0;
+		canvas_item->set (ArdourCanvas::Duple (-1.0, 2.0),
+				  ArdourCanvas::Duple (1.0, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
 
 		canvas_item->raise_to_top ();
 		canvas_item->show ();
 
 		canvas_item->set_data ("regionview", this);
-		canvas_item->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_feature_line_event), canvas_item, this));
+		canvas_item->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_feature_line_event), canvas_item, this));
 
 		feature_lines.push_back (make_pair(0, canvas_item));
 	}
@@ -1406,17 +1550,15 @@ AudioRegionView::transients_changed ()
 
 	for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
 
-		ArdourCanvas::Points points;
-
 		float *pos = new float;
-		*pos = trackview.editor().frame_to_pixel (*i);
+		*pos = trackview.editor().sample_to_pixel (*i);
 
-		points.push_back(Gnome::Art::Point(*pos, 2.0)); // first x-coord needs to be a non-normal value
-		points.push_back(Gnome::Art::Point(*pos, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1));
+		(*l).second->set (
+			ArdourCanvas::Duple (*pos, 2.0),
+			ArdourCanvas::Duple (*pos, _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1)
+			);
 
-		(*l).second->property_points() = points;
 		(*l).second->set_data ("position", pos);
-
 		(*l).first = *i;
 	}
 }
@@ -1436,7 +1578,7 @@ AudioRegionView::update_transient(float /*old_pos*/, float new_pos)
 		if (rint(new_pos) == rint(*pos)) {
 
 		    framepos_t old_frame = (*l).first;
-		    framepos_t new_frame = trackview.editor().pixel_to_frame (new_pos);
+		    framepos_t new_frame = trackview.editor().pixel_to_sample (new_pos);
 
 		    _region->update_transient (old_frame, new_frame);
 
@@ -1471,296 +1613,6 @@ AudioRegionView::thaw_after_trim ()
 	drag_end ();
 }
 
-void
-AudioRegionView::redraw_start_xfade ()
-{
-	boost::shared_ptr<AudioRegion> ar (audio_region());
-
-	if (!ar->fade_in() || ar->fade_in()->empty()) {
-		return;
-	}
-
-	if (!ar->fade_in_is_xfade()) {
-		if (start_xfade_in) {
-			start_xfade_in->hide ();
-			start_xfade_out->hide ();
-			start_xfade_rect->hide ();
-			_start_xfade_visible = false;
-		}
-		return;
-	}
-
-	redraw_start_xfade_to (ar, ar->fade_in()->back()->when);
-}
-
-void
-AudioRegionView::redraw_start_xfade_to (boost::shared_ptr<AudioRegion> ar, framecnt_t len)
-{
-	int32_t const npoints = trackview.editor().frame_to_pixel (len);
-
-	if (npoints < 3) {
-		return;
-	}
-
-	if (!start_xfade_in) {
-		start_xfade_in = new ArdourCanvas::Line (*group);
-		start_xfade_in->property_width_pixels() = 1;
-		start_xfade_in->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_GainLine.get();
-	}
-
-	if (!start_xfade_out) {
-		start_xfade_out = new ArdourCanvas::Line (*group);
-		start_xfade_out->property_width_pixels() = 1;
-		uint32_t col = UINT_RGBA_CHANGE_A (ARDOUR_UI::config()->canvasvar_GainLine.get(), 125);
-		start_xfade_out->property_fill_color_rgba() = col;
-	}
-
-	if (!start_xfade_rect) {
-		start_xfade_rect = new ArdourCanvas::SimpleRect (*group);
-		start_xfade_rect->property_draw() = true;
-		start_xfade_rect->property_fill() = true;;
-		start_xfade_rect->property_fill_color_rgba() =  ARDOUR_UI::config()->canvasvar_ActiveCrossfade.get();
-		start_xfade_rect->property_outline_pixels() = 0;
-		start_xfade_rect->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_start_xfade_event), start_xfade_rect, this));
-		start_xfade_rect->set_data ("regionview", this);
-	}
-
-	Points* points = get_canvas_points ("xfade edit redraw", npoints);
-	boost::scoped_array<float> vec (new float[npoints]);
-	double effective_height = _height - NAME_HIGHLIGHT_SIZE - 1.0;
-
-	ar->fade_in()->curve().get_vector (0, ar->fade_in()->back()->when, vec.get(), npoints);
-
-	for (int i = 0, pci = 0; i < npoints; ++i) {
-		Gnome::Art::Point &p ((*points)[pci++]);
-		p.set_x (i);
-		p.set_y (1.0 + effective_height - (effective_height * vec.get()[i]));
-	}
-
-	start_xfade_rect->property_x1() = ((*points)[0]).get_x();
-	start_xfade_rect->property_y1() = 1.0;
-	start_xfade_rect->property_x2() = ((*points)[npoints-1]).get_x();
-	start_xfade_rect->property_y2() = effective_height;
-	start_xfade_rect->show ();
-	start_xfade_rect->raise_to_top ();
-
-	start_xfade_in->property_points() = *points;
-	start_xfade_in->show ();
-	start_xfade_in->raise_to_top ();
-
-	/* fade out line */
-
-	boost::shared_ptr<AutomationList> inverse = ar->inverse_fade_in();
-
-	if (!inverse) {
-
-		for (int i = 0, pci = 0; i < npoints; ++i) {
-			Gnome::Art::Point &p ((*points)[pci++]);
-			p.set_x (i);
-			p.set_y (1.0 + effective_height - (effective_height * (1.0 - vec.get()[i])));
-		}
-
-	} else {
-
-		inverse->curve().get_vector (0, inverse->back()->when, vec.get(), npoints);
-
-		for (int i = 0, pci = 0; i < npoints; ++i) {
-			Gnome::Art::Point &p ((*points)[pci++]);
-			p.set_x (i);
-			p.set_y (1.0 + effective_height - (effective_height * vec.get()[i]));
-		}
-	}
-
-	start_xfade_out->property_points() = *points;
-	start_xfade_out->show ();
-	start_xfade_out->raise_to_top ();
-
-	_start_xfade_visible = true;
-
-	delete points;
-}
-
-void
-AudioRegionView::redraw_end_xfade ()
-{
-	boost::shared_ptr<AudioRegion> ar (audio_region());
-
-	if (!ar->fade_out() || ar->fade_out()->empty()) {
-		return;
-	}
-
-	if (!ar->fade_out_is_xfade()) {
-		if (end_xfade_in) {
-			end_xfade_in->hide ();
-			end_xfade_out->hide ();
-			end_xfade_rect->hide ();
-			_end_xfade_visible = false;
-		}
-		return;
-	}
-
-	redraw_end_xfade_to (ar, ar->fade_out()->back()->when);
-}
-
-void
-AudioRegionView::redraw_end_xfade_to (boost::shared_ptr<AudioRegion> ar, framecnt_t len)
-{
-	int32_t const npoints = trackview.editor().frame_to_pixel (len);
-
-	if (npoints < 3) {
-		return;
-	}
-
-	if (!end_xfade_in) {
-		end_xfade_in = new ArdourCanvas::Line (*group);
-		end_xfade_in->property_width_pixels() = 1;
-		end_xfade_in->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_GainLine.get();
-	}
-
-	if (!end_xfade_out) {
-		end_xfade_out = new ArdourCanvas::Line (*group);
-		end_xfade_out->property_width_pixels() = 1;
-		uint32_t col UINT_RGBA_CHANGE_A (ARDOUR_UI::config()->canvasvar_GainLine.get(), 125);
-		end_xfade_out->property_fill_color_rgba() = col;
-	}
-
-	if (!end_xfade_rect) {
-		end_xfade_rect = new ArdourCanvas::SimpleRect (*group);
-		end_xfade_rect->property_draw() = true;
-		end_xfade_rect->property_fill() = true;;
-		end_xfade_rect->property_fill_color_rgba() =  ARDOUR_UI::config()->canvasvar_ActiveCrossfade.get();
-		end_xfade_rect->property_outline_pixels() = 0;
-		end_xfade_rect->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_end_xfade_event), end_xfade_rect, this));
-		end_xfade_rect->set_data ("regionview", this);
-	}
-
-	Points* points = get_canvas_points ("xfade edit redraw", npoints);
-	boost::scoped_ptr<float> vec (new float[npoints]);
-
-	ar->fade_out()->curve().get_vector (0, ar->fade_out()->back()->when, vec.get(), npoints);
-
-	double rend = trackview.editor().frame_to_pixel (_region->length() - len);
-	double effective_height = _height - NAME_HIGHLIGHT_SIZE - 1;
-
-	for (int i = 0, pci = 0; i < npoints; ++i) {
-		Gnome::Art::Point &p ((*points)[pci++]);
-		p.set_x (rend + i);
-		p.set_y (1.0 + effective_height - (effective_height * vec.get()[i]));
-	}
-
-	end_xfade_rect->property_x1() = ((*points)[0]).get_x();
-	end_xfade_rect->property_y1() = 1;
-	end_xfade_rect->property_x2() = ((*points)[npoints-1]).get_x();
-	end_xfade_rect->property_y2() = effective_height;
-	end_xfade_rect->show ();
-	end_xfade_rect->raise_to_top ();
-
-	end_xfade_in->property_points() = *points;
-	end_xfade_in->show ();
-	end_xfade_in->raise_to_top ();
-
-	/* fade in line */
-
-	boost::shared_ptr<AutomationList> inverse = ar->inverse_fade_out ();
-
-	if (!inverse) {
-
-		for (int i = 0, pci = 0; i < npoints; ++i) {
-			Gnome::Art::Point &p ((*points)[pci++]);
-			p.set_x (rend + i);
-			p.set_y (1.0 + effective_height - (effective_height * (1.0 - vec.get()[i])));
-		}
-
-	} else {
-
-		inverse->curve().get_vector (inverse->front()->when, inverse->back()->when, vec.get(), npoints);
-
-		for (int i = 0, pci = 0; i < npoints; ++i) {
-			Gnome::Art::Point &p ((*points)[pci++]);
-			p.set_x (rend + i);
-			p.set_y (1.0 + effective_height - (effective_height * vec.get()[i]));
-		}
-	}
-
-	end_xfade_out->property_points() = *points;
-	end_xfade_out->show ();
-	end_xfade_out->raise_to_top ();
-
-	_end_xfade_visible = true;
-
-	delete points;
-}
-
-void
-AudioRegionView::hide_xfades ()
-{
-	hide_start_xfade ();
-	hide_end_xfade ();
-}
-
-void
-AudioRegionView::hide_start_xfade ()
-{
-	if (start_xfade_in) {
-		start_xfade_in->hide();
-	}
-	if (start_xfade_out) {
-		start_xfade_out->hide();
-	}
-	if (start_xfade_rect) {
-		start_xfade_rect->hide ();
-	}
-
-	_start_xfade_visible = false;
-}
-
-void
-AudioRegionView::hide_end_xfade ()
-{
-	if (end_xfade_in) {
-		end_xfade_in->hide();
-	}
-	if (end_xfade_out) {
-		end_xfade_out->hide();
-	}
-	if (end_xfade_rect) {
-		end_xfade_rect->hide ();
-	}
-
-	_end_xfade_visible = false;
-}
-
-void
-AudioRegionView::show_start_xfade ()
-{
-	if (start_xfade_in) {
-		start_xfade_in->show();
-	}
-	if (start_xfade_out) {
-		start_xfade_out->show();
-	}
-	if (start_xfade_rect) {
-		start_xfade_rect->show ();
-	}
-
-	_start_xfade_visible = true;
-}
-
-void
-AudioRegionView::show_end_xfade ()
-{
-	if (end_xfade_in) {
-		end_xfade_in->show();
-	}
-	if (end_xfade_out) {
-		end_xfade_out->show();
-	}
-	if (end_xfade_rect) {
-		end_xfade_rect->show ();
-	}
-
-	_end_xfade_visible = true;
-}
 
 void
 AudioRegionView::show_xfades ()
@@ -1773,15 +1625,8 @@ void
 AudioRegionView::drag_start ()
 {
 	TimeAxisViewItem::drag_start ();
-	AudioTimeAxisView* atav = dynamic_cast<AudioTimeAxisView*> (&trackview);
 
-	if (atav) {
-		AudioStreamView* av = atav->audio_view();
-		if (av) {
-			/* this will hide our xfades too */
-			_hidden_xfades = av->hide_xfades_with (audio_region());
-		}
-	}
+	//we used to hide xfades here.  I don't see the point with the new model, but we can re-implement if needed
 }
 
 void
@@ -1789,16 +1634,7 @@ AudioRegionView::drag_end ()
 {
 	TimeAxisViewItem::drag_end ();
 
-	for (list<AudioRegionView*>::iterator i = _hidden_xfades.first.begin(); i != _hidden_xfades.first.end(); ++i) {
-		(*i)->show_start_xfade ();
-	}
-
-	for (list<AudioRegionView*>::iterator i = _hidden_xfades.second.begin(); i != _hidden_xfades.second.end(); ++i) {
-		(*i)->show_end_xfade ();
-	}
-	
-	_hidden_xfades.first.clear ();
-	_hidden_xfades.second.clear ();
+	//see comment for drag_start
 }
 
 void
@@ -1810,5 +1646,7 @@ AudioRegionView::parameter_changed (string const & p)
 		setup_waveform_scale ();
 	} else if (p == "waveform-shape") {
 		setup_waveform_shape ();
+	} else if (p == "show-waveform-clipping") {
+		setup_waveform_clipping ();
 	}
 }