X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Faudio_region_view.cc;h=c6e42c0a4bd280a1da4a7ad14349363f6669fe8e;hb=b84e1a50a3a4508b2070fe0848085db31f8cfa69;hp=70966b1dfff5125b62e807486b4ebb45a84bc3bd;hpb=73cf69791bcd42113e99e5e8081cde0731b28329;p=ardour.git diff --git a/gtk2_ardour/audio_region_view.cc b/gtk2_ardour/audio_region_view.cc index 70966b1dff..c6e42c0a4b 100644 --- a/gtk2_ardour/audio_region_view.cc +++ b/gtk2_ardour/audio_region_view.cc @@ -20,6 +20,8 @@ #include #include +#include + #include #include @@ -43,6 +45,7 @@ #include "waveview.h" #include "public_editor.h" #include "audio_region_editor.h" +#include "audio_streamview.h" #include "region_gain_line.h" #include "control_point.h" #include "ghostregion.h" @@ -63,6 +66,7 @@ using namespace Editing; using namespace ArdourCanvas; static const int32_t sync_mark_width = 9; +static double const handle_size = 6; /* height of fade handles */ AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr r, double spu, Gdk::Color const & basic_color) @@ -72,14 +76,20 @@ 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) + , _start_xfade_visible (false) + , end_xfade_in (0) + , end_xfade_out (0) + , end_xfade_rect (0) + , _end_xfade_visible (false) , _amplitude_above_axis(1.0) - , _flags(0) , fade_color(0) { + Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&AudioRegionView::parameter_changed, this, _1), gui_context()); } - AudioRegionView::AudioRegionView (ArdourCanvas::Group *parent, RouteTimeAxisView &tv, boost::shared_ptr r, double spu, Gdk::Color const & basic_color, bool recording, TimeAxisViewItem::Visibility visibility) : RegionView (parent, tv, r, spu, basic_color, recording, visibility) @@ -88,11 +98,18 @@ 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) + , _start_xfade_visible (false) + , end_xfade_in (0) + , end_xfade_out (0) + , end_xfade_rect (0) + , _end_xfade_visible (false) , _amplitude_above_axis(1.0) - , _flags(0) , fade_color(0) { + Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&AudioRegionView::parameter_changed, this, _1), gui_context()); } AudioRegionView::AudioRegionView (const AudioRegionView& other, boost::shared_ptr other_region) @@ -101,9 +118,15 @@ 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) + , _start_xfade_visible (false) + , end_xfade_in (0) + , end_xfade_out (0) + , end_xfade_rect (0) + , _end_xfade_visible (false) , _amplitude_above_axis (other._amplitude_above_axis) - , _flags (other._flags) , fade_color(0) { Gdk::Color c; @@ -113,6 +136,8 @@ AudioRegionView::AudioRegionView (const AudioRegionView& other, boost::shared_pt c.set_rgb_p (r/255.0, g/255.0, b/255.0); init (c, true); + + Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&AudioRegionView::parameter_changed, this, _1), gui_context()); } void @@ -123,17 +148,7 @@ AudioRegionView::init (Gdk::Color const & basic_color, bool wfd) RegionView::init (basic_color, wfd); - XMLNode *node; - _amplitude_above_axis = 1.0; - _flags = 0; - - if ((node = _region->extra_xml ("GUI")) != 0) { - set_flags (node); - } else { - _flags = WaveformVisible; - store_flags (); - } compute_colors (basic_color); @@ -150,22 +165,15 @@ AudioRegionView::init (Gdk::Color const & basic_color, bool wfd) 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_pixels() = 0; + fade_in_handle->property_outline_color_rgba() = RGBA_TO_UINT (0, 0, 0, 0); fade_in_handle->set_data ("regionview", this); 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_pixels() = 0; + fade_out_handle->property_outline_color_rgba() = RGBA_TO_UINT (0, 0, 0, 0); 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(); } setup_fade_handle_positions (); @@ -179,13 +187,8 @@ AudioRegionView::init (Gdk::Color const & basic_color, bool wfd) if (!Profile->get_sae()) { gain_line.reset (new AudioRegionGainLine (line_name, *this, *group, audio_region()->envelope())); } - - if (Config->get_show_region_gain()) { - gain_line->show (); - } else { - gain_line->hide (); - } - + + update_envelope_visibility (); gain_line->reset (); set_height (trackview.current_height()); @@ -215,6 +218,10 @@ AudioRegionView::init (Gdk::Color const & basic_color, bool wfd) set_colors (); + setup_waveform_visibility (); + setup_waveform_shape (); + setup_waveform_scale (); + /* XXX sync mark drag? */ } @@ -250,7 +257,6 @@ void AudioRegionView::region_changed (const PropertyChange& what_changed) { ENSURE_GUI_THREAD (*this, &AudioRegionView::region_changed, what_changed); - // cerr << "AudioRegionView::region_changed() called" << endl; RegionView::region_changed (what_changed); @@ -288,6 +294,7 @@ AudioRegionView::fade_out_changed () { reset_fade_out_shape (); } + void AudioRegionView::fade_in_active_changed () { @@ -437,17 +444,15 @@ AudioRegionView::setup_fade_handle_positions() { /* position of fade handle offset from the top of the region view */ double const handle_pos = 2; - /* height of fade handles */ - double const handle_height = 5; if (fade_in_handle) { fade_in_handle->property_y1() = handle_pos; - fade_in_handle->property_y2() = handle_pos + handle_height; + fade_in_handle->property_y2() = handle_pos + handle_size; } if (fade_out_handle) { fade_out_handle->property_y1() = handle_pos; - fade_out_handle->property_y2() = handle_pos + handle_height; + fade_out_handle->property_y2() = handle_pos + handle_size; } } @@ -478,9 +483,7 @@ AudioRegionView::set_height (gdouble height) if ((height/wcnt) < NAME_HIGHLIGHT_THRESH) { gain_line->hide (); } else { - if (Config->get_show_region_gain ()) { - gain_line->show (); - } + update_envelope_visibility (); } gain_line->set_height ((uint32_t) rint (height - NAME_HIGHLIGHT_SIZE) - 2); @@ -503,16 +506,6 @@ AudioRegionView::set_height (gdouble height) (*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 (name_pixbuf) { name_pixbuf->raise_to_top(); } @@ -528,16 +521,18 @@ 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 ar, framecnt_t width) { 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); @@ -549,19 +544,14 @@ AudioRegionView::reset_fade_in_shape_width (framecnt_t width) 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; /* 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 + 6; + fade_in_handle->property_x2() = handle_center + handle_size; if (pwidth < 5) { + hide_start_xfade(); fade_in_shape->hide(); return; } @@ -578,7 +568,7 @@ AudioRegionView::reset_fade_in_shape_width (framecnt_t width) if (_height >= NAME_HIGHLIGHT_THRESH) { h = _height - NAME_HIGHLIGHT_SIZE - 2; } else { - h = _height; + h = _height - 2; } /* points *MUST* be in anti-clockwise order */ @@ -606,25 +596,30 @@ AudioRegionView::reset_fade_in_shape_width (framecnt_t width) fade_in_shape->property_points() = *points; delete points; + redraw_start_xfade_to ( ar, width); + /* 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 ar, framecnt_t width) { 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); @@ -636,12 +631,6 @@ AudioRegionView::reset_fade_out_shape_width (framecnt_t width) uint32_t npoints = std::min (gdk_screen_width(), (int) pwidth); double h; - if (_height < 5) { - fade_out_shape->hide(); - fade_out_handle->hide(); - return; - } - double const handle_center = (_region->length() - width) / samples_per_unit; /* Put the fade out handle so that its right side is at the end-of-fade line; @@ -653,6 +642,7 @@ AudioRegionView::reset_fade_out_shape_width (framecnt_t width) /* don't show shape if its too small */ if (pwidth < 5) { + hide_end_xfade(); fade_out_shape->hide(); return; } @@ -667,7 +657,7 @@ AudioRegionView::reset_fade_out_shape_width (framecnt_t width) if (_height >= NAME_HIGHLIGHT_THRESH) { h = _height - NAME_HIGHLIGHT_SIZE - 2; } else { - h = _height; + h = _height - 2; } /* points *MUST* be in anti-clockwise order */ @@ -697,19 +687,35 @@ AudioRegionView::reset_fade_out_shape_width (framecnt_t width) fade_out_shape->property_points() = *points; delete points; + redraw_end_xfade_to (ar, width); + /* ensure trim handle stays on top */ if (frame_handle_end) { frame_handle_end->raise_to_top(); } + } +framepos_t +AudioRegionView::get_fade_in_shape_width () +{ + return audio_region()->fade_in()->back()->when; +} + +framepos_t +AudioRegionView::get_fade_out_shape_width () +{ + return audio_region()->fade_out()->back()->when; +} + + void AudioRegionView::set_samples_per_unit (gdouble spu) { RegionView::set_samples_per_unit (spu); - if (_flags & WaveformVisible) { - for (uint32_t n=0; n < waves.size(); ++n) { + if (Config->get_show_waveforms ()) { + for (uint32_t n = 0; n < waves.size(); ++n) { waves[n]->property_samples_per_unit() = spu; } } @@ -761,25 +767,20 @@ AudioRegionView::set_colors () } void -AudioRegionView::set_waveform_visible (bool yn) -{ - if (((_flags & WaveformVisible) != yn)) { - if (yn) { - 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(); - } - _flags |= WaveformVisible; - } else { - for (uint32_t n=0; n < waves.size(); ++n) { - waves[n]->hide(); - } - _flags &= ~WaveformVisible; +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(); + } + } else { + for (uint32_t n = 0; n < waves.size(); ++n) { + waves[n]->hide(); } - store_flags (); } } @@ -794,20 +795,20 @@ AudioRegionView::temporarily_hide_envelope () void AudioRegionView::unhide_envelope () { - if (gain_line) { - gain_line->show (); - } + update_envelope_visibility (); } void -AudioRegionView::set_envelope_visible (bool yn) +AudioRegionView::update_envelope_visibility () { - if (gain_line) { - if (yn) { - gain_line->show (); - } else { - gain_line->hide (); - } + 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 (); } } @@ -914,10 +915,10 @@ AudioRegionView::create_one_wave (uint32_t which, bool /*direct*/) wave->property_zero_color() = ARDOUR_UI::config()->canvasvar_ZeroLine.get(); wave->property_zero_line() = true; wave->property_region_start() = _region->start(); - wave->property_rectified() = (bool) (_flags & WaveformRectified); - wave->property_logscaled() = (bool) (_flags & WaveformLogScaled); + wave->property_rectified() = Config->get_waveform_shape() == Rectified; + wave->property_logscaled() = Config->get_waveform_scale() == Logarithmic; - if (!(_flags & WaveformVisible)) { + if (!Config->get_show_waveforms ()) { wave->hide(); } @@ -972,7 +973,7 @@ AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev) /* don't create points that can't be seen */ - set_envelope_visible (true); + update_envelope_visibility (); x = ev->button.x; y = ev->button.y; @@ -1022,90 +1023,18 @@ AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent */* } void -AudioRegionView::store_flags() +AudioRegionView::setup_waveform_shape () { - XMLNode *node = new XMLNode ("GUI"); - - node->add_property ("waveform-visible", (_flags & WaveformVisible) ? "yes" : "no"); - node->add_property ("waveform-rectified", (_flags & WaveformRectified) ? "yes" : "no"); - node->add_property ("waveform-logscaled", (_flags & WaveformLogScaled) ? "yes" : "no"); - - _region->add_extra_xml (*node); -} - -void -AudioRegionView::set_flags (XMLNode* node) -{ - XMLProperty *prop; - - if ((prop = node->property ("waveform-visible")) != 0) { - if (string_is_affirmative (prop->value())) { - _flags |= WaveformVisible; - } - } - - if ((prop = node->property ("waveform-rectified")) != 0) { - if (string_is_affirmative (prop->value())) { - _flags |= WaveformRectified; - } - } - - if ((prop = node->property ("waveform-logscaled")) != 0) { - if (string_is_affirmative (prop->value())) { - _flags |= WaveformLogScaled; - } + for (vector::iterator wave = waves.begin(); wave != waves.end() ; ++wave) { + (*wave)->property_rectified() = Config->get_waveform_shape() == Rectified; } } void -AudioRegionView::set_waveform_shape (WaveformShape shape) +AudioRegionView::setup_waveform_scale () { - bool yn; - - /* this slightly odd approach is to leave the door open to - other "shapes" such as spectral displays, etc. - */ - - switch (shape) { - case Rectified: - yn = true; - break; - - default: - yn = false; - break; - } - - if (yn != (bool) (_flags & WaveformRectified)) { - for (vector::iterator wave = waves.begin(); wave != waves.end() ; ++wave) { - (*wave)->property_rectified() = yn; - } - - if (yn) { - _flags |= WaveformRectified; - } else { - _flags &= ~WaveformRectified; - } - store_flags (); - } -} - -void -AudioRegionView::set_waveform_scale (WaveformScale scale) -{ - bool yn = (scale == Logarithmic); - - if (yn != (bool) (_flags & WaveformLogScaled)) { - for (vector::iterator wave = waves.begin(); wave != waves.end() ; ++wave) { - (*wave)->property_logscaled() = yn; - } - - if (yn) { - _flags |= WaveformLogScaled; - } else { - _flags &= ~WaveformLogScaled; - } - store_flags (); + for (vector::iterator wave = waves.begin(); wave != waves.end() ; ++wave) { + (*wave)->property_logscaled() = Config->get_waveform_scale() == Logarithmic; } } @@ -1159,13 +1088,15 @@ AudioRegionView::entered (bool internal_editing) { trackview.editor().set_current_trimmable (_region); trackview.editor().set_current_movable (_region); - - if (gain_line && Config->get_show_region_gain ()) { - gain_line->show_all_control_points (); + + if (gain_line && trackview.editor().current_mouse_mode() == Editing::MouseGain) { + 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); } } @@ -1176,12 +1107,14 @@ AudioRegionView::exited () trackview.editor().set_current_trimmable (boost::shared_ptr()); trackview.editor().set_current_movable (boost::shared_ptr()); - if (gain_line) { - gain_line->hide_all_but_selected_control_points (); + 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); } } @@ -1337,27 +1270,9 @@ 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 () { @@ -1462,6 +1377,330 @@ void AudioRegionView::thaw_after_trim () { RegionView::thaw_after_trim (); - unhide_envelope (); + drag_end (); +} + +void +AudioRegionView::redraw_start_xfade () +{ + boost::shared_ptr 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 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 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 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 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 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 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 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; +} + +void +AudioRegionView::show_xfades () +{ + show_start_xfade (); + show_end_xfade (); +} + +void +AudioRegionView::drag_start () +{ + TimeAxisViewItem::drag_start (); + + //we used to hide xfades here. I don't see the point with the new model, but we can re-implement if needed +} + +void +AudioRegionView::drag_end () +{ + TimeAxisViewItem::drag_end (); + + //see comment for drag_start +} + +void +AudioRegionView::parameter_changed (string const & p) +{ + if (p == "show-waveforms") { + setup_waveform_visibility (); + } else if (p == "waveform-scale") { + setup_waveform_scale (); + } else if (p == "waveform-shape") { + setup_waveform_shape (); + } }