diff options
Diffstat (limited to 'gtk2_ardour/audio_region_view.cc')
| -rw-r--r-- | gtk2_ardour/audio_region_view.cc | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/gtk2_ardour/audio_region_view.cc b/gtk2_ardour/audio_region_view.cc index 70966b1dff..885af4cd38 100644 --- a/gtk2_ardour/audio_region_view.cc +++ b/gtk2_ardour/audio_region_view.cc @@ -20,6 +20,8 @@ #include <cassert> #include <algorithm> +#include <boost/scoped_ptr.hpp> + #include <gtkmm.h> #include <gtkmm2ext/gtk_ui.h> @@ -73,6 +75,12 @@ AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView , fade_in_handle(0) , fade_out_handle(0) , fade_position_line(0) + , start_xfade_in (0) + , start_xfade_out (0) + , start_xfade_rect (0) + , end_xfade_in (0) + , end_xfade_out (0) + , end_xfade_rect (0) , _amplitude_above_axis(1.0) , _flags(0) , fade_color(0) @@ -89,6 +97,12 @@ AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView , fade_in_handle(0) , fade_out_handle(0) , fade_position_line(0) + , start_xfade_in (0) + , start_xfade_out (0) + , start_xfade_rect (0) + , end_xfade_in (0) + , end_xfade_out (0) + , end_xfade_rect (0) , _amplitude_above_axis(1.0) , _flags(0) , fade_color(0) @@ -102,6 +116,12 @@ AudioRegionView::AudioRegionView (const AudioRegionView& other, boost::shared_pt , fade_in_handle(0) , fade_out_handle(0) , fade_position_line(0) + , start_xfade_in (0) + , start_xfade_out (0) + , start_xfade_rect (0) + , end_xfade_in (0) + , end_xfade_out (0) + , end_xfade_rect (0) , _amplitude_above_axis (other._amplitude_above_axis) , _flags (other._flags) , fade_color(0) @@ -534,10 +554,24 @@ AudioRegionView::reset_fade_in_shape () void AudioRegionView::reset_fade_in_shape_width (framecnt_t width) { + if (audio_region()->fade_in_is_xfade()) { + 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 (); + } + } + 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); @@ -621,10 +655,24 @@ AudioRegionView::reset_fade_out_shape () void AudioRegionView::reset_fade_out_shape_width (framecnt_t width) { + if (audio_region()->fade_out_is_xfade()) { + 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 (); + } + } + 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); @@ -1465,3 +1513,151 @@ AudioRegionView::thaw_after_trim () unhide_envelope (); } + +void +AudioRegionView::redraw_start_xfade () +{ + boost::shared_ptr<AudioRegion> ar (audio_region()); + + if (!ar->fade_in() || ar->fade_in()->empty()) { + return; + } + + int32_t const npoints = trackview.editor().frame_to_pixel (ar->fade_in()->back()->when); + + 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; + start_xfade_out->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_GainLine.get(); + } + + Points* points = get_canvas_points ("xfade edit redraw", npoints); + boost::scoped_ptr<float> vec (new float[npoints]); + + 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 (_height - (_height * vec.get()[i])); + } + + 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 (_height - (_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 (_height - (_height * vec.get()[i])); + } + } + + start_xfade_out->property_points() = *points; + start_xfade_out->show (); + start_xfade_out->raise_to_top (); + + delete points; +} + +void +AudioRegionView::redraw_end_xfade () +{ + boost::shared_ptr<AudioRegion> ar (audio_region()); + + if (!ar->fade_out() || ar->fade_out()->empty()) { + return; + } + + int32_t const npoints = trackview.editor().frame_to_pixel (ar->fade_out()->back()->when); + + 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; + end_xfade_out->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_GainLine.get(); + } + + 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() - ar->fade_out()->back()->when); + + for (int i = 0, pci = 0; i < npoints; ++i) { + Gnome::Art::Point &p ((*points)[pci++]); + p.set_x (rend + i); + p.set_y (_height - (_height * vec.get()[i])); + } + + 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 (_height - (_height * (1.0 - vec.get()[i]))); + } + + } else { + + rend = trackview.editor().frame_to_pixel (_region->length() - inverse->back()->when); + 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 (_height - (_height * vec.get()[i])); + } + } + + end_xfade_out->property_points() = *points; + end_xfade_out->show (); + end_xfade_out->raise_to_top (); + + + delete points; +} |