-void
-AudioRegionView::redraw_start_xfade ()
-{
- boost::shared_ptr<AudioRegion> ar (audio_region());
-
- if (!ar->fade_in() || ar->fade_in()->empty()) {
- return;
- }
-
- show_start_xfade();
-
- 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(), 128);
- 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;
- if (_height >= NAME_HIGHLIGHT_THRESH) {
- effective_height = _height - NAME_HIGHLIGHT_SIZE - 2;
- } else {
- effective_height = _height - 2;
- }
-
- 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_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_rect->raise_to_top (); //this needs to be topmost so the lines don't steal mouse focus
-
- show_start_xfade();
-
- delete points;
-}
-
-void
-AudioRegionView::redraw_end_xfade ()
-{
- boost::shared_ptr<AudioRegion> ar (audio_region());
-
- if (!ar->fade_out() || ar->fade_out()->empty()) {
- return;
- }
-
- show_end_xfade();
-
- 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(), 128);
- 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_array<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;
- if (_height >= NAME_HIGHLIGHT_THRESH) {
- effective_height = _height - NAME_HIGHLIGHT_SIZE - 2;
- } else {
- effective_height = _height - 2;
- }
-
- 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_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_rect->raise_to_top (); //this needs to be topmost so the lines don't steal mouse focus
-
- show_end_xfade();
-
- 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;
-}