/*
- Copyright (C) 2003 Paul Davis
+ Copyright (C) 2003 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
#include <algorithm>
-#include <ardour/region.h>
+#include "ardour/region.h"
#include <gtkmm2ext/doi.h>
#include "canvas-simplerect.h"
#include "canvas-curve.h"
#include "crossfade_view.h"
+#include "global_signals.h"
+#include "gui_thread.h"
#include "rgb_macros.h"
#include "audio_time_axis.h"
#include "public_editor.h"
#include "audio_region_view.h"
#include "utils.h"
#include "canvas_impl.h"
+#include "ardour_ui.h"
-using namespace sigc;
using namespace ARDOUR;
using namespace PBD;
using namespace Editing;
using namespace Gnome;
using namespace Canvas;
-sigc::signal<void,CrossfadeView*> CrossfadeView::GoingAway;
+PBD::Signal1<void,CrossfadeView*> CrossfadeView::CatchDeletion;
-CrossfadeView::CrossfadeView (ArdourCanvas::Group *parent,
- RouteTimeAxisView &tv,
- Crossfade& xf,
+CrossfadeView::CrossfadeView (ArdourCanvas::Group *parent,
+ RouteTimeAxisView &tv,
+ boost::shared_ptr<Crossfade> xf,
double spu,
Gdk::Color& basic_color,
AudioRegionView& lview,
AudioRegionView& rview)
-
- : TimeAxisViewItem ("xfade" /*xf.name()*/, *parent, tv, spu, basic_color, xf.position(),
- xf.overlap_length(), TimeAxisViewItem::Visibility (TimeAxisViewItem::ShowFrame)),
+
+ : TimeAxisViewItem ("xfade" /*xf.name()*/, *parent, tv, spu, basic_color, xf->position(),
+ xf->length(), false, false, TimeAxisViewItem::Visibility (TimeAxisViewItem::ShowFrame)),
crossfade (xf),
left_view (lview),
- right_view (rview)
-
+ right_view (rview),
+ _all_in_view (false)
{
_valid = true;
_visible = true;
fade_in = new Line (*group);
- fade_in->property_fill_color_rgba() = color_map[cCrossfadeLine];
+ fade_in->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_CrossfadeLine.get();
fade_in->property_width_pixels() = 1;
fade_out = new Line (*group);
- fade_out->property_fill_color_rgba() = color_map[cCrossfadeLine];
+ fade_out->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_CrossfadeLine.get();
fade_out->property_width_pixels() = 1;
-
- set_height (get_time_axis_view().height);
/* no frame around the xfade or overlap rects */
frame->property_outline_what() = 0;
/* never show the vestigial frame */
-
vestigial_frame->hide();
show_vestigial = false;
-
- group->signal_event().connect (bind (mem_fun (tv.editor, &PublicEditor::canvas_crossfade_view_event), group, this));
-
- crossfade_changed (Change (~0));
- crossfade.StateChanged.connect (mem_fun(*this, &CrossfadeView::crossfade_changed));
+ group->signal_event().connect (sigc::bind (sigc::mem_fun (tv.editor(), &PublicEditor::canvas_crossfade_view_event), group, this));
+
+ PropertyChange all_crossfade_properties;
+ all_crossfade_properties.add (ARDOUR::Properties::active);
+ all_crossfade_properties.add (ARDOUR::Properties::follow_overlap);
+ crossfade_changed (all_crossfade_properties);
+
+ crossfade->PropertyChanged.connect (*this, invalidator (*this), ui_bind (&CrossfadeView::crossfade_changed, this, _1), gui_context());
+ crossfade->FadesChanged.connect (*this, invalidator (*this), ui_bind (&CrossfadeView::crossfade_fades_changed, this), gui_context());
+ ColorsChanged.connect (sigc::mem_fun (*this, &CrossfadeView::color_handler));
}
CrossfadeView::~CrossfadeView ()
{
- GoingAway (this) ; /* EMIT_SIGNAL */
+ CatchDeletion (this) ; /* EMIT_SIGNAL */
}
void
}
void
-CrossfadeView::set_height (double height)
+CrossfadeView::set_height (double h)
{
- if (height == TimeAxisView::Smaller ||
- height == TimeAxisView::Small)
- TimeAxisViewItem::set_height (height - 3 );
- else
- TimeAxisViewItem::set_height (height - NAME_HIGHLIGHT_SIZE - 3 );
+ if (h > TimeAxisView::preset_height (HeightSmall)) {
+ h -= NAME_HIGHLIGHT_SIZE;
+ }
+
+ TimeAxisViewItem::set_height (h);
redraw_curves ();
}
void
-CrossfadeView::crossfade_changed (Change what_changed)
+CrossfadeView::crossfade_changed (const PropertyChange& what_changed)
{
bool need_redraw_curves = false;
- if (what_changed & BoundsChanged) {
- set_position (crossfade.position(), this);
- set_duration (crossfade.overlap_length(), this);
+ if (what_changed.contains (ARDOUR::bounds_change)) {
+ set_position (crossfade->position(), this);
+ set_duration (crossfade->length(), this);
+
+ /* set_duration will call reset_width_dependent_items which in turn will call redraw_curves via active_changed,
+ so no need for us to call it */
+ need_redraw_curves = false;
+ }
+
+ if (what_changed.contains (ARDOUR::Properties::follow_overlap)) {
need_redraw_curves = true;
}
-
- if (what_changed & Crossfade::ActiveChanged) {
+
+ if (what_changed.contains (ARDOUR::Properties::active)) {
/* calls redraw_curves */
active_changed ();
} else if (need_redraw_curves) {
}
}
+/** Set up our fade_in and fade_out curves to contain points for the currently visible portion
+ * of the crossfade.
+ */
void
CrossfadeView::redraw_curves ()
{
- Points* points;
- int32_t npoints;
- float* vec;
-
- double h;
-
- /*
- At "height - 3.0" the bottom of the crossfade touches the name highlight or the bottom of the track (if the
- track is either Small or Smaller.
- */
- switch(get_time_axis_view().height) {
- case TimeAxisView::Smaller:
- case TimeAxisView::Small:
- h = get_time_axis_view().height - 3.0;
- break;
-
- default:
- h = get_time_axis_view().height - NAME_HIGHLIGHT_SIZE - 3.0;
+ if (!crossfade->following_overlap()) {
+ /* curves should not be visible */
+ fade_in->hide ();
+ fade_out->hide ();
+ return;
}
- if (h < 0) {
+ if (_height < 0) {
/* no space allocated yet */
return;
}
- npoints = get_time_axis_view().editor.frame_to_pixel (crossfade.length());
- npoints = std::min (gdk_screen_width(), npoints);
+ PublicEditor& editor = get_time_axis_view().editor ();
+
+ framepos_t const editor_left = editor.leftmost_position ();
+ framepos_t const editor_right = editor_left + editor.current_page_frames ();
+ framepos_t const xfade_left = crossfade->position ();
+ framepos_t const xfade_right = xfade_left + crossfade->length ();
+
+ /* Work out the range of our frames that are visible */
+ framepos_t const min_frames = std::max (editor_left, xfade_left);
+ framepos_t const max_frames = std::min (editor_right, xfade_right);
- if (!_visible || !crossfade.active() || npoints < 3) {
+ _all_in_view = (editor_left <= xfade_left && editor_right >= xfade_right);
+
+ /* Hence the number of points that we will render */
+ int32_t const npoints = editor.frame_to_pixel (max_frames - min_frames);
+
+ if (!_visible || !crossfade->active() || npoints < 3) {
fade_in->hide();
fade_out->hide();
return;
} else {
fade_in->show();
fade_out->show();
- }
+ }
- points = get_canvas_points ("xfade edit redraw", npoints);
- vec = new float[npoints];
+ Points* points = get_canvas_points ("xfade edit redraw", npoints);
+ float* vec = new float[npoints];
+
+ crossfade->fade_in().curve().get_vector (min_frames - crossfade->position(), max_frames - crossfade->position(), vec, npoints);
+
+ /* Work out the offset from the start of the crossfade to the visible part, in pixels */
+ double xoff = 0;
+ if (crossfade->position() < editor.leftmost_position()) {
+ xoff = editor.frame_to_pixel (min_frames) - editor.frame_to_pixel (crossfade->position ());
+ }
- crossfade.fade_in().get_vector (0, crossfade.length(), vec, npoints);
for (int i = 0, pci = 0; i < npoints; ++i) {
Art::Point &p = (*points)[pci++];
- p.set_x(i);
- p.set_y(2.0 + h - (h * vec[i]));
+ p.set_x (xoff + i + 1);
+ p.set_y (_height - ((_height - 2) * vec[i]));
}
+
fade_in->property_points() = *points;
- crossfade.fade_out().get_vector (0, crossfade.length(), vec, npoints);
+ crossfade->fade_out().curve().get_vector (min_frames - crossfade->position(), max_frames - crossfade->position(), vec, npoints);
+
for (int i = 0, pci = 0; i < npoints; ++i) {
Art::Point &p = (*points)[pci++];
- p.set_x(i);
- p.set_y(2.0 + h - (h * vec[i]));
+ p.set_x (xoff + i + 1);
+ p.set_y (_height - ((_height - 2) * vec[i]));
}
+
fade_out->property_points() = *points;
delete [] vec;
void
CrossfadeView::active_changed ()
{
- if (crossfade.active()) {
- frame->property_fill_color_rgba() = color_map[cActiveCrossfade];
+ if (crossfade->active()) {
+ frame->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_ActiveCrossfade.get();
} else {
- frame->property_fill_color_rgba() = color_map[cInactiveCrossfade];
+ frame->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_InactiveCrossfade.get();
}
redraw_curves ();
}
+void
+CrossfadeView::color_handler ()
+{
+ active_changed ();
+}
+
void
CrossfadeView::set_valid (bool yn)
{
void
CrossfadeView::show ()
{
- group->show();
_visible = true;
+ group->show();
+ redraw_curves ();
}
void
{
group->hide();
}
+
+void
+CrossfadeView::crossfade_fades_changed ()
+{
+ redraw_curves ();
+}
+
+void
+CrossfadeView::horizontal_position_changed ()
+{
+ /* If the crossfade curves are entirely within the editor's visible space, there is
+ no need to redraw them here as they will be completely drawn (as distinct from
+ the other case where the horizontal position change will uncover `undrawn'
+ sections).
+ */
+
+ if (!_all_in_view) {
+ redraw_curves ();
+ }
+}
projects / ardour.git / blobdiff