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livetrax/gtk2_ardour/audio_region_view.cc
Robin Gareus 4050ca5633
Update GPL boilerplate and (C)
Copyright-holder and year information is extracted from git log.

git history begins in 2005. So (C) from 1998..2005 is lost. Also some
(C) assignment of commits where the committer didn't use --author.
2019-08-03 15:53:15 +02:00

1813 lines
51 KiB
C++

/*
* Copyright (C) 2006-2014 David Robillard <d@drobilla.net>
* Copyright (C) 2007-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2007 Doug McLain <doug@nostar.net>
* Copyright (C) 2014-2015 Ben Loftis <ben@harrisonconsoles.com>
* Copyright (C) 2014-2017 Nick Mainsbridge <mainsbridge@gmail.com>
* Copyright (C) 2014-2019 Robin Gareus <robin@gareus.org>
* Copyright (C) 2015-2016 Tim Mayberry <mojofunk@gmail.com>
*
* 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <cmath>
#include <cassert>
#include <algorithm>
#include <vector>
#include <boost/scoped_array.hpp>
#include <gtkmm.h>
#include "ardour/playlist.h"
#include "ardour/audioregion.h"
#include "ardour/audiosource.h"
#include "ardour/profile.h"
#include "ardour/session.h"
#include "pbd/memento_command.h"
#include "pbd/stacktrace.h"
#include "evoral/Curve.hpp"
#include "gtkmm2ext/gtk_ui.h"
#include "gtkmm2ext/utils.h"
#include "gtkmm2ext/colors.h"
#include "canvas/rectangle.h"
#include "canvas/polygon.h"
#include "canvas/poly_line.h"
#include "canvas/line.h"
#include "canvas/text.h"
#include "canvas/xfade_curve.h"
#include "canvas/debug.h"
#include "waveview/debug.h"
#include "streamview.h"
#include "audio_region_view.h"
#include "audio_time_axis.h"
#include "enums_convert.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"
#include "audio_time_axis.h"
#include "rgb_macros.h"
#include "gui_thread.h"
#include "ui_config.h"
#include "pbd/i18n.h"
#define MUTED_ALPHA 48
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Editing;
using namespace ArdourCanvas;
static double const handle_size = 10; /* height of fade handles */
Cairo::RefPtr<Cairo::Pattern> AudioRegionView::pending_peak_pattern;
static Cairo::RefPtr<Cairo::Pattern> create_pending_peak_pattern() {
cairo_surface_t * is = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 8, 8);
// create checker pattern
unsigned char *img = cairo_image_surface_get_data (is);
cairo_surface_flush (is);
const int stride = cairo_image_surface_get_stride (is);
for (int y = 0; y < 8; ++y) {
for (int x = 0; x < 8; ++x) {
const int off = (y * stride + x * 4);
uint32_t *pixel = (uint32_t*) &img[off];
if ((x < 4) ^ (y < 4)) {
*pixel = 0xa0000000;
} else {
*pixel = 0x40000000;
}
}
}
cairo_surface_mark_dirty (is);
cairo_pattern_t* pat = cairo_pattern_create_for_surface (is);
cairo_pattern_set_extend (pat, CAIRO_EXTEND_REPEAT);
Cairo::RefPtr<Cairo::Pattern> p (new Cairo::Pattern (pat, false));
cairo_surface_destroy (is);
return p;
}
AudioRegionView::AudioRegionView (ArdourCanvas::Container *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
uint32_t basic_color)
: RegionView (parent, tv, r, spu, basic_color)
, sync_mark(0)
, fade_in_handle(0)
, fade_out_handle(0)
, fade_in_trim_handle(0)
, fade_out_trim_handle(0)
, pending_peak_data(0)
, start_xfade_curve (0)
, start_xfade_rect (0)
, _start_xfade_visible (false)
, end_xfade_curve (0)
, end_xfade_rect (0)
, _end_xfade_visible (false)
, _amplitude_above_axis(1.0)
, trim_fade_in_drag_active(false)
, trim_fade_out_drag_active(false)
{
UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &AudioRegionView::parameter_changed));
}
AudioRegionView::AudioRegionView (ArdourCanvas::Container *parent, RouteTimeAxisView &tv, boost::shared_ptr<AudioRegion> r, double spu,
uint32_t basic_color, bool recording, TimeAxisViewItem::Visibility visibility)
: RegionView (parent, tv, r, spu, basic_color, recording, visibility)
, sync_mark(0)
, fade_in_handle(0)
, fade_out_handle(0)
, fade_in_trim_handle(0)
, fade_out_trim_handle(0)
, pending_peak_data(0)
, start_xfade_curve (0)
, start_xfade_rect (0)
, _start_xfade_visible (false)
, end_xfade_curve (0)
, end_xfade_rect (0)
, _end_xfade_visible (false)
, _amplitude_above_axis(1.0)
, trim_fade_in_drag_active(false)
, trim_fade_out_drag_active(false)
{
UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &AudioRegionView::parameter_changed));
}
AudioRegionView::AudioRegionView (const AudioRegionView& other, boost::shared_ptr<AudioRegion> other_region)
: RegionView (other, boost::shared_ptr<Region> (other_region))
, fade_in_handle(0)
, fade_out_handle(0)
, fade_in_trim_handle(0)
, fade_out_trim_handle(0)
, pending_peak_data(0)
, start_xfade_curve (0)
, start_xfade_rect (0)
, _start_xfade_visible (false)
, end_xfade_curve (0)
, end_xfade_rect (0)
, _end_xfade_visible (false)
, _amplitude_above_axis (other._amplitude_above_axis)
, trim_fade_in_drag_active(false)
, trim_fade_out_drag_active(false)
{
init (true);
UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &AudioRegionView::parameter_changed));
}
void
AudioRegionView::init (bool wfd)
{
// FIXME: Some redundancy here with RegionView::init. Need to figure out
// where order is important and where it isn't...
if (!pending_peak_pattern) {
pending_peak_pattern = create_pending_peak_pattern();
}
// needs to be created first, RegionView::init() calls set_height()
pending_peak_data = new ArdourCanvas::Rectangle (group);
CANVAS_DEBUG_NAME (pending_peak_data, string_compose ("pending peak rectangle for %1", region()->name()));
pending_peak_data->set_outline_color (Gtkmm2ext::rgba_to_color (0, 0, 0, 0.0));
pending_peak_data->set_pattern (pending_peak_pattern);
pending_peak_data->set_data ("regionview", this);
pending_peak_data->hide ();
RegionView::init (wfd);
_amplitude_above_axis = 1.0;
create_waves ();
if (!_recregion) {
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 (Gtkmm2ext::rgba_to_color (0, 0, 0, 1.0));
fade_in_handle->set_fill_color (UIConfiguration::instance().color ("inactive fade handle"));
fade_in_handle->set_data ("regionview", this);
fade_in_handle->hide ();
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 (Gtkmm2ext::rgba_to_color (0, 0, 0, 1.0));
fade_out_handle->set_fill_color (UIConfiguration::instance().color ("inactive fade handle"));
fade_out_handle->set_data ("regionview", this);
fade_out_handle->hide ();
fade_in_trim_handle = new ArdourCanvas::Rectangle (group);
CANVAS_DEBUG_NAME (fade_in_handle, string_compose ("fade in trim handle for %1", region()->name()));
fade_in_trim_handle->set_outline_color (Gtkmm2ext::rgba_to_color (0, 0, 0, 1.0));
fade_in_trim_handle->set_fill_color (UIConfiguration::instance().color ("inactive fade handle"));
fade_in_trim_handle->set_data ("regionview", this);
fade_in_trim_handle->hide ();
fade_out_trim_handle = new ArdourCanvas::Rectangle (group);
CANVAS_DEBUG_NAME (fade_out_handle, string_compose ("fade out trim handle for %1", region()->name()));
fade_out_trim_handle->set_outline_color (Gtkmm2ext::rgba_to_color (0, 0, 0, 1.0));
fade_out_trim_handle->set_fill_color (UIConfiguration::instance().color ("inactive fade handle"));
fade_out_trim_handle->set_data ("regionview", this);
fade_out_trim_handle->hide ();
}
setup_fade_handle_positions ();
if (!trackview.session()->config.get_show_region_fades()) {
set_fade_visibility (false);
}
const string line_name = _region->name() + ":gain";
gain_line.reset (new AudioRegionGainLine (line_name, *this, *group, audio_region()->envelope()));
update_envelope_visibility ();
gain_line->reset ();
/* streamview will call set_height() */
//set_height (trackview.current_height()); // XXX not correct for Layered mode, but set_height() will fix later.
region_muted ();
region_sync_changed ();
region_resized (ARDOUR::bounds_change);
/* region_resized sets ghost region duration */
/* region_locked is a synonym for region_renamed () which is called in region_muted() above */
//region_locked ();
envelope_active_changed ();
fade_in_active_changed ();
fade_out_active_changed ();
reset_width_dependent_items (_pixel_width);
if (fade_in_handle) {
fade_in_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_handle, this, false));
}
if (fade_out_handle) {
fade_out_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_handle, this, false));
}
if (fade_in_trim_handle) {
fade_in_trim_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_in_handle_event), fade_in_trim_handle, this, true));
}
if (fade_out_trim_handle) {
fade_out_trim_handle->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_fade_out_handle_event), fade_out_trim_handle, this, true));
}
set_colors ();
setup_waveform_visibility ();
/* XXX sync mark drag? */
}
AudioRegionView::~AudioRegionView ()
{
in_destructor = true;
RegionViewGoingAway (this); /* EMIT_SIGNAL */
for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
delete *i;
}
_data_ready_connections.clear ();
for (list<std::pair<samplepos_t, ArdourCanvas::Line*> >::iterator i = feature_lines.begin(); i != feature_lines.end(); ++i) {
delete ((*i).second);
}
/* all waveviews etc will be destroyed when the group is destroyed */
}
boost::shared_ptr<ARDOUR::AudioRegion>
AudioRegionView::audio_region() const
{
// "Guaranteed" to succeed...
return boost::dynamic_pointer_cast<AudioRegion>(_region);
}
void
AudioRegionView::region_changed (const PropertyChange& what_changed)
{
ENSURE_GUI_THREAD (*this, &AudioRegionView::region_changed, what_changed);
RegionView::region_changed (what_changed);
if (what_changed.contains (ARDOUR::Properties::scale_amplitude)) {
region_scale_amplitude_changed ();
}
if (what_changed.contains (ARDOUR::Properties::fade_in)) {
fade_in_changed ();
}
if (what_changed.contains (ARDOUR::Properties::fade_out)) {
fade_out_changed ();
}
if (what_changed.contains (ARDOUR::Properties::fade_in_active)) {
fade_in_active_changed ();
}
if (what_changed.contains (ARDOUR::Properties::fade_out_active)) {
fade_out_active_changed ();
}
if (what_changed.contains (ARDOUR::Properties::envelope_active)) {
envelope_active_changed ();
}
if (what_changed.contains (ARDOUR::Properties::valid_transients)) {
transients_changed ();
}
}
void
AudioRegionView::fade_in_changed ()
{
reset_fade_in_shape ();
}
void
AudioRegionView::fade_out_changed ()
{
reset_fade_out_shape ();
}
void
AudioRegionView::fade_in_active_changed ()
{
if (start_xfade_rect) {
if (audio_region()->fade_in_active()) {
start_xfade_rect->set_fill (false);
} else {
start_xfade_rect->set_fill_color (UIConfiguration::instance().color_mod ("inactive crossfade", "inactive crossfade"));
start_xfade_rect->set_fill (true);
}
}
}
void
AudioRegionView::fade_out_active_changed ()
{
if (end_xfade_rect) {
if (audio_region()->fade_out_active()) {
end_xfade_rect->set_fill (false);
} else {
end_xfade_rect->set_fill_color (UIConfiguration::instance().color_mod ("inactive crossfade", "inactive crossfade"));
end_xfade_rect->set_fill (true);
}
}
}
void
AudioRegionView::region_scale_amplitude_changed ()
{
for (uint32_t n = 0; n < waves.size(); ++n) {
waves[n]->gain_changed ();
}
region_renamed ();
}
void
AudioRegionView::region_renamed ()
{
std::string str = RegionView::make_name ();
if (audio_region()->speed_mismatch (trackview.session()->sample_rate())) {
str = string ("*") + str;
}
if (_region->muted()) {
str = string ("!") + str;
}
boost::shared_ptr<AudioRegion> ar (audio_region());
if (ar->scale_amplitude() != 1.0) {
char tmp[32];
snprintf (tmp, 32, " (%.1fdB)", accurate_coefficient_to_dB (ar->scale_amplitude()));
str += tmp;
}
set_item_name (str, this);
set_name_text (str);
}
void
AudioRegionView::region_resized (const PropertyChange& what_changed)
{
AudioGhostRegion* agr;
RegionView::region_resized(what_changed);
PropertyChange interesting_stuff;
interesting_stuff.add (ARDOUR::Properties::start);
interesting_stuff.add (ARDOUR::Properties::length);
if (what_changed.contains (interesting_stuff)) {
for (uint32_t n = 0; n < waves.size(); ++n) {
waves[n]->region_resized ();
}
for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
if ((agr = dynamic_cast<AudioGhostRegion*>(*i)) != 0) {
for (vector<ArdourWaveView::WaveView*>::iterator w = agr->waves.begin(); w != agr->waves.end(); ++w) {
(*w)->region_resized ();
}
}
}
/* hide transient lines that extend beyond the region */
list<std::pair<samplepos_t, ArdourCanvas::Line*> >::iterator l;
samplepos_t first = _region->first_sample();
samplepos_t last = _region->last_sample();
for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
if (l->first < first || l->first >= last) {
l->second->hide();
} else {
l->second->show();
}
}
}
}
void
AudioRegionView::reset_width_dependent_items (double pixel_width)
{
if (pixel_width == _width) {
return;
}
RegionView::reset_width_dependent_items(pixel_width);
assert(_pixel_width == pixel_width);
pending_peak_data->set_x1(pixel_width);
if (pixel_width <= 20.0 || _height < 5.0 || !trackview.session()->config.get_show_region_fades()) {
if (fade_in_handle) { fade_in_handle->hide(); }
if (fade_out_handle) { fade_out_handle->hide(); }
if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
}
reset_fade_shapes ();
/* Update feature lines */
AnalysisFeatureList analysis_features;
_region->transients (analysis_features);
if (feature_lines.size () != analysis_features.size ()) {
cerr << "postponed freature line update.\n"; // XXX
// AudioRegionView::transients_changed () will pick up on this
return;
}
samplepos_t position = _region->position();
AnalysisFeatureList::const_iterator i;
list<std::pair<samplepos_t, ArdourCanvas::Line*> >::iterator l;
double y1;
if (_height >= NAME_HIGHLIGHT_THRESH) {
y1 = _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1;
} else {
y1 = _height - 1;
}
for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
float x_pos = trackview.editor().sample_to_pixel ((*i) - position);
(*l).first = *i;
(*l).second->set (ArdourCanvas::Duple (x_pos, 2.0),
ArdourCanvas::Duple (x_pos, y1));
}
}
void
AudioRegionView::region_muted ()
{
RegionView::region_muted();
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 = 0.0;
if (fade_in_handle) {
fade_in_handle->set_y0 (handle_pos);
fade_in_handle->set_y1 (handle_pos + handle_size);
}
if (fade_out_handle) {
fade_out_handle->set_y0 (handle_pos);
fade_out_handle->set_y1 (handle_pos + handle_size);
}
if (fade_in_trim_handle) {
fade_in_trim_handle->set_y0 (_height - handle_size);
fade_in_trim_handle->set_y1 (_height);
}
if (fade_out_trim_handle) {
fade_out_trim_handle->set_y0 (_height - handle_size );
fade_out_trim_handle->set_y1 (_height);
}
}
void
AudioRegionView::set_height (gdouble height)
{
uint32_t gap = UIConfiguration::instance().get_vertical_region_gap ();
float ui_scale = UIConfiguration::instance().get_ui_scale ();
if (gap > 0 && ui_scale > 0) {
gap = ceil (gap * ui_scale);
}
height = std::max (3.0, height - gap);
if (height == _height) {
return;
}
RegionView::set_height (height);
pending_peak_data->set_y1 (height);
uint32_t wcnt = waves.size();
if (wcnt > 0) {
gdouble ht;
if (!UIConfiguration::instance().get_show_name_highlight() || (height < NAME_HIGHLIGHT_THRESH)) {
ht = height / (double) wcnt;
} else {
ht = (height - NAME_HIGHLIGHT_SIZE) / (double) wcnt;
}
for (uint32_t n = 0; n < wcnt; ++n) {
gdouble yoff = floor (ht * n);
waves[n]->set_height (ht);
waves[n]->set_y_position (yoff);
}
}
if (gain_line) {
if ((height/wcnt) < NAME_HIGHLIGHT_THRESH) {
gain_line->hide ();
} else {
update_envelope_visibility ();
}
gain_line->set_height ((uint32_t) rint (height - NAME_HIGHLIGHT_SIZE) - 2);
}
reset_fade_shapes ();
/* Update heights for any feature lines */
samplepos_t position = _region->position();
list<std::pair<samplepos_t, ArdourCanvas::Line*> >::iterator l;
double y1;
if (_height >= NAME_HIGHLIGHT_THRESH) {
y1 = _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1;
} else {
y1 = _height - 1;
}
for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
float pos_x = trackview.editor().sample_to_pixel((*l).first - position);
(*l).second->set (ArdourCanvas::Duple (pos_x, 2.0),
ArdourCanvas::Duple (pos_x, y1));
}
if (name_text) {
name_text->raise_to_top();
}
setup_fade_handle_positions();
}
void
AudioRegionView::reset_fade_shapes ()
{
if (!trim_fade_in_drag_active) { reset_fade_in_shape (); }
if (!trim_fade_out_drag_active) { reset_fade_out_shape (); }
}
void
AudioRegionView::reset_fade_in_shape ()
{
reset_fade_in_shape_width (audio_region(), (samplecnt_t) audio_region()->fade_in()->back()->when);
}
void
AudioRegionView::reset_fade_in_shape_width (boost::shared_ptr<AudioRegion> ar, samplecnt_t width, bool drag_active)
{
trim_fade_in_drag_active = drag_active;
if (fade_in_handle == 0) {
return;
}
/* smallest size for a fade is 64 samples */
width = std::max ((samplecnt_t) 64, width);
/* round here to prevent little visual glitches with sub-pixel placement */
double const pwidth = floor (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->set_x0 (handle_left);
fade_in_handle->set_x1 (handle_left + handle_size);
if (fade_in_trim_handle) {
fade_in_trim_handle->set_x0 (0);
fade_in_trim_handle->set_x1 (handle_size);
}
if (fade_in_handle->visible()) {
//see comment for drag_start
entered();
}
if (pwidth < 5) {
hide_start_xfade();
return;
}
if (!trackview.session()->config.get_show_region_fades()) {
hide_start_xfade ();
return;
}
double effective_height;
if (_height >= NAME_HIGHLIGHT_THRESH) {
effective_height = _height - NAME_HIGHLIGHT_SIZE;
} else {
effective_height = _height;
}
/* points *MUST* be in anti-clockwise order */
Points points;
Points::size_type pi;
boost::shared_ptr<const Evoral::ControlList> list (audio_region()->fade_in());
Evoral::ControlList::const_iterator x;
double length = list->length();
points.assign (list->size(), Duple());
for (x = list->begin(), pi = 0; x != list->end(); ++x, ++pi) {
points[pi].x = (pwidth * ((*x)->when/length));
points[pi].y = effective_height - ((*x)->value * (effective_height - 1.));
}
/* draw the line */
redraw_start_xfade_to (ar, width, points, effective_height, handle_left);
/* 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 (audio_region(), (samplecnt_t) audio_region()->fade_out()->back()->when);
}
void
AudioRegionView::reset_fade_out_shape_width (boost::shared_ptr<AudioRegion> ar, samplecnt_t width, bool drag_active)
{
trim_fade_out_drag_active = drag_active;
if (fade_out_handle == 0) {
return;
}
/* smallest size for a fade is 64 samples */
width = std::max ((samplecnt_t) 64, width);
double const pwidth = floor(trackview.editor().sample_to_pixel (width));
/* the right edge should be right on the region frame is the pixel
* width is zero. Hence the additional + 1.0 at the end.
*/
double const handle_right = rint(trackview.editor().sample_to_pixel (_region->length()) - pwidth);
double const trim_handle_right = rint(trackview.editor().sample_to_pixel (_region->length()));
/* Put the fade out handle so that its right side is at the end-of-fade line;
*/
fade_out_handle->set_x0 (handle_right - handle_size);
fade_out_handle->set_x1 (handle_right);
if (fade_out_trim_handle) {
fade_out_trim_handle->set_x0 (1 + trim_handle_right - handle_size);
fade_out_trim_handle->set_x1 (1 + trim_handle_right);
}
if (fade_out_handle->visible()) {
//see comment for drag_start
entered();
}
/* don't show shape if its too small */
if (pwidth < 5) {
hide_end_xfade();
return;
}
if (!trackview.session()->config.get_show_region_fades()) {
hide_end_xfade();
return;
}
double effective_height;
effective_height = _height;
if (UIConfiguration::instance().get_show_name_highlight() && effective_height >= NAME_HIGHLIGHT_THRESH) {
effective_height -= NAME_HIGHLIGHT_SIZE;
}
/* points *MUST* be in anti-clockwise order */
Points points;
Points::size_type pi;
boost::shared_ptr<const Evoral::ControlList> list (audio_region()->fade_out());
Evoral::ControlList::const_iterator x;
double length = list->length();
points.assign (list->size(), Duple());
for (x = list->begin(), pi = 0; x != list->end(); ++x, ++pi) {
points[pi].x = _pixel_width - pwidth + (pwidth * ((*x)->when/length));
points[pi].y = effective_height - ((*x)->value * (effective_height - 1.));
}
/* draw the line */
redraw_end_xfade_to (ar, width, points, effective_height, handle_right, pwidth);
/* ensure trim handle stays on top */
if (frame_handle_end) {
frame_handle_end->raise_to_top();
}
}
samplepos_t
AudioRegionView::get_fade_in_shape_width ()
{
return audio_region()->fade_in()->back()->when;
}
samplepos_t
AudioRegionView::get_fade_out_shape_width ()
{
return audio_region()->fade_out()->back()->when;
}
void
AudioRegionView::redraw_start_xfade ()
{
boost::shared_ptr<AudioRegion> ar (audio_region());
if (!ar->fade_in() || ar->fade_in()->empty()) {
return;
}
show_start_xfade();
reset_fade_in_shape_width (ar, ar->fade_in()->back()->when);
}
void
AudioRegionView::redraw_start_xfade_to (boost::shared_ptr<AudioRegion> ar, samplecnt_t /*width*/, Points& points, double effective_height,
double rect_width)
{
if (points.size() < 2) {
return;
}
if (!start_xfade_curve) {
start_xfade_curve = new ArdourCanvas::XFadeCurve (group, ArdourCanvas::XFadeCurve::Start);
CANVAS_DEBUG_NAME (start_xfade_curve, string_compose ("xfade start out line for %1", region()->name()));
start_xfade_curve->set_fill_color (UIConfiguration::instance().color_mod ("active crossfade", "crossfade alpha"));
start_xfade_curve->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
start_xfade_curve->set_ignore_events (true);
}
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_outline_color (UIConfiguration::instance().color ("crossfade line"));
start_xfade_rect->set_fill (false);
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);
}
start_xfade_rect->set (ArdourCanvas::Rect (0.0, 0.0, rect_width, effective_height));
/* fade out line */
boost::shared_ptr<AutomationList> inverse = ar->inverse_fade_in ();
Points ipoints;
Points::size_type npoints;
if (!inverse) {
/* there is no explicit inverse fade in curve, so take the
* regular fade in curve given to use as "points" (already a
* set of coordinates), and convert to the inverse shape.
*/
npoints = points.size();
ipoints.assign (npoints, Duple());
for (Points::size_type i = 0, pci = 0; i < npoints; ++i, ++pci) {
ArdourCanvas::Duple &p (ipoints[pci]);
/* leave x-axis alone but invert with respect to y-axis */
p.y = effective_height - points[pci].y;
}
} else {
/* there is an explicit inverse fade in curve. Grab the points
and convert them into coordinates for the inverse fade in
line.
*/
npoints = inverse->size();
ipoints.assign (npoints, Duple());
Evoral::ControlList::const_iterator x;
Points::size_type pi;
double length = inverse->length();
for (x = inverse->begin(), pi = 0; x != inverse->end(); ++x, ++pi) {
ArdourCanvas::Duple& p (ipoints[pi]);
p.x = (rect_width * ((*x)->when/length));
p.y = effective_height - ((*x)->value * (effective_height));
}
}
start_xfade_curve->set_inout (points, ipoints);
show_start_xfade();
}
void
AudioRegionView::redraw_end_xfade ()
{
boost::shared_ptr<AudioRegion> ar (audio_region());
if (!ar->fade_out() || ar->fade_out()->empty()) {
return;
}
show_end_xfade();
reset_fade_out_shape_width (ar, ar->fade_out()->back()->when);
}
void
AudioRegionView::redraw_end_xfade_to (boost::shared_ptr<AudioRegion> ar, samplecnt_t width, Points& points, double effective_height,
double rect_edge, double rect_width)
{
if (points.size() < 2) {
return;
}
if (!end_xfade_curve) {
end_xfade_curve = new ArdourCanvas::XFadeCurve (group, ArdourCanvas::XFadeCurve::End);
CANVAS_DEBUG_NAME (end_xfade_curve, string_compose ("xfade end out line for %1", region()->name()));
end_xfade_curve->set_fill_color (UIConfiguration::instance().color_mod ("active crossfade", "crossfade alpha"));
end_xfade_curve->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
end_xfade_curve->set_ignore_events (true);
}
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_outline_color (UIConfiguration::instance().color ("crossfade line"));
end_xfade_rect->set_fill (false);
end_xfade_rect->set_outline (false);
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);
}
end_xfade_rect->set (ArdourCanvas::Rect (rect_edge, 0.0, rect_edge + rect_width, effective_height));
/* fade in line */
boost::shared_ptr<AutomationList> inverse = ar->inverse_fade_out ();
Points ipoints;
Points::size_type npoints;
if (!inverse) {
/* there is no explicit inverse fade out curve, so take the
* regular fade out curve given to use as "points" (already a
* set of coordinates), and convert to the inverse shape.
*/
npoints = points.size();
ipoints.assign (npoints, Duple());
Points::size_type pci;
for (pci = 0; pci < npoints; ++pci) {
ArdourCanvas::Duple &p (ipoints[pci]);
p.y = effective_height - points[pci].y;
}
} else {
/* there is an explicit inverse fade out curve. Grab the points
and convert them into coordinates for the inverse fade out
line.
*/
npoints = inverse->size();
ipoints.assign (npoints, Duple());
const double rend = trackview.editor().sample_to_pixel (_region->length() - width);
Evoral::ControlList::const_iterator x;
Points::size_type pi;
double length = inverse->length();
for (x = inverse->begin(), pi = 0; x != inverse->end(); ++x, ++pi) {
ArdourCanvas::Duple& p (ipoints[pi]);
p.x = (rect_width * ((*x)->when/length)) + rend;
p.y = effective_height - ((*x)->value * (effective_height));
}
}
end_xfade_curve->set_inout (ipoints, points);
show_end_xfade();
}
void
AudioRegionView::hide_xfades ()
{
hide_start_xfade ();
hide_end_xfade ();
}
void
AudioRegionView::hide_start_xfade ()
{
if (start_xfade_curve) {
start_xfade_curve->hide();
}
if (start_xfade_rect) {
start_xfade_rect->hide ();
}
_start_xfade_visible = false;
}
void
AudioRegionView::hide_end_xfade ()
{
if (end_xfade_curve) {
end_xfade_curve->hide();
}
if (end_xfade_rect) {
end_xfade_rect->hide ();
}
_end_xfade_visible = false;
}
void
AudioRegionView::show_start_xfade ()
{
if (start_xfade_curve) {
start_xfade_curve->show();
}
if (start_xfade_rect) {
start_xfade_rect->show ();
}
_start_xfade_visible = true;
}
void
AudioRegionView::show_end_xfade ()
{
if (end_xfade_curve) {
end_xfade_curve->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 (UIConfiguration::instance().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::set_colors ()
{
RegionView::set_colors();
if (gain_line) {
gain_line->set_line_color (audio_region()->envelope_active() ?
UIConfiguration::instance().color ("gain line") :
UIConfiguration::instance().color_mod ("gain line inactive", "gain line inactive"));
}
set_waveform_colors ();
if (start_xfade_curve) {
start_xfade_curve->set_fill_color (UIConfiguration::instance().color_mod ("active crossfade", "crossfade alpha"));
start_xfade_curve->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
}
if (end_xfade_curve) {
end_xfade_curve->set_fill_color (UIConfiguration::instance().color_mod ("active crossfade", "crossfade alpha"));
end_xfade_curve->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
}
if (start_xfade_rect) {
start_xfade_rect->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
}
if (end_xfade_rect) {
end_xfade_rect->set_outline_color (UIConfiguration::instance().color ("crossfade line"));
}
}
void
AudioRegionView::setup_waveform_visibility ()
{
if (UIConfiguration::instance().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 (trackview.editor().current_mouse_mode() == Editing::MouseDraw || trackview.editor().current_mouse_mode() == Editing::MouseContent ) {
gain_line->set_visibility (AutomationLine::VisibleAspects(AutomationLine::ControlPoints|AutomationLine::Line));
gain_line->canvas_group().raise_to_top ();
} else if (UIConfiguration::instance().get_show_region_gain() || trackview.editor().current_mouse_mode() == Editing::MouseRange ) {
gain_line->set_visibility (AutomationLine::VisibleAspects(AutomationLine::Line));
gain_line->canvas_group().raise_to_top ();
} else {
gain_line->set_visibility (AutomationLine::VisibleAspects(0));
}
}
void
AudioRegionView::delete_waves ()
{
for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
delete *i;
}
_data_ready_connections.clear ();
for (vector<ArdourWaveView::WaveView*>::iterator w = waves.begin(); w != waves.end(); ++w) {
group->remove(*w);
}
waves.clear();
tmp_waves.clear();
pending_peak_data->show ();
}
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.
pending_peak_data->show ();
}
} 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
if (!trackview.session() || trackview.session()->deletion_in_progress () || !atv.track()) {
/* peaks_ready_handler() may be called from peak_thread_work() while
* session deletion is in progress.
* Since session-unload happens in the GUI thread, we need to test
* in this context.
*/
return;
}
uint32_t nchans = atv.track()->n_channels().n_audio();
uint32_t n;
uint32_t nwaves = std::min (nchans, audio_region()->n_channels());
gdouble ht;
/* compare to set_height(), use _height as set by streamview (child_height),
* not trackview.current_height() to take stacked layering into acconnt
*/
if (!UIConfiguration::instance().get_show_name_highlight() || (_height < NAME_HIGHLIGHT_THRESH)) {
ht = _height / (double) nchans;
} else {
ht = (_height - NAME_HIGHLIGHT_SIZE) / (double) nchans;
}
/* first waveview starts at 1.0, not 0.0 since that will overlap the frame */
gdouble yoff = which * ht;
ArdourWaveView::WaveView *wave = new ArdourWaveView::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 (true);
wave->set_clip_level (UIConfiguration::instance().get_waveform_clip_level ());
wave->set_start_shift (1.0);
wave->Event.connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_wave_view_event), wave, this));
switch (UIConfiguration::instance().get_waveform_shape()) {
case Rectified:
wave->set_shape (ArdourWaveView::WaveView::Rectified);
break;
default:
wave->set_shape (ArdourWaveView::WaveView::Normal);
}
wave->set_logscaled (UIConfiguration::instance().get_waveform_scale() == Logarithmic);
vector<ArdourWaveView::WaveView*> v;
v.push_back (wave);
set_some_waveform_colors (v);
if (!UIConfiguration::instance().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.
*/
if (which < nchans) {
tmp_waves[which] = wave;
} else {
/* n-channel track, >n-channel source */
}
/* see if we're all ready */
for (n = 0; n < nchans; ++n) {
if (tmp_waves[n] == 0) {
break;
}
}
if (n == nwaves && waves.empty()) {
/* all waves are ready */
tmp_waves.resize(nwaves);
waves = tmp_waves;
tmp_waves.clear ();
/* indicate peak-completed */
pending_peak_data->hide ();
/* Restore stacked coverage */
LayerDisplay layer_display;
if (trackview.get_gui_property ("layer-display", layer_display)) {
update_coverage_frame (layer_display);
}
}
/* channel wave created, don't hook into peaks ready anymore */
delete _data_ready_connections[which];
_data_ready_connections[which] = 0;
}
void
AudioRegionView::peaks_ready_handler (uint32_t which)
{
Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&AudioRegionView::create_one_wave, this, which, false));
// cerr << "AudioRegionView::peaks_ready_handler() called on " << which << " this: " << this << endl;
}
void
AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev, bool with_guard_points)
{
if (!gain_line) {
return;
}
uint32_t before_p, after_p;
double mx = ev->button.x;
double my = ev->button.y;
item->canvas_to_item (mx, my);
samplecnt_t const sample_within_region = (samplecnt_t) floor (mx * samples_per_pixel);
if (!gain_line->control_points_adjacent (sample_within_region, before_p, after_p)) {
/* no adjacent points */
return;
}
/* y is in item frame */
double const bx = gain_line->nth (before_p)->get_x();
double const ax = gain_line->nth (after_p)->get_x();
double const click_ratio = (ax - mx) / (ax - bx);
double y = ((gain_line->nth (before_p)->get_y() * click_ratio) + (gain_line->nth (after_p)->get_y() * (1 - click_ratio)));
/* don't create points that can't be seen */
update_envelope_visibility ();
samplepos_t rpos = region ()->position ();
MusicSample snap_pos (trackview.editor().pixel_to_sample (mx) + rpos, 0);
trackview.editor ().snap_to_with_modifier (snap_pos, ev);
samplepos_t fx = snap_pos.sample - rpos;
if (fx > _region->length()) {
return;
}
/* compute vertical fractional position */
y = 1.0 - (y / (gain_line->height()));
/* map using gain line */
gain_line->view_to_model_coord (mx, y);
/* XXX STATEFUL: can't convert to stateful diff until we
can represent automation data with it.
*/
XMLNode &before = audio_region()->envelope()->get_state();
MementoCommand<AudioRegion>* region_memento = 0;
if (!audio_region()->envelope_active()) {
XMLNode &region_before = audio_region()->get_state();
audio_region()->set_envelope_active(true);
XMLNode &region_after = audio_region()->get_state();
region_memento = new MementoCommand<AudioRegion>(*(audio_region().get()), &region_before, &region_after);
}
if (audio_region()->envelope()->editor_add (fx, y, with_guard_points)) {
XMLNode &after = audio_region()->envelope()->get_state();
std::list<Selectable*> results;
trackview.editor().begin_reversible_command (_("add gain control point"));
if (region_memento) {
trackview.session()->add_command (region_memento);
}
trackview.session()->add_command (new MementoCommand<AutomationList>(*audio_region()->envelope().get(), &before, &after));
gain_line->get_selectables (fx + region ()->position (), fx + region ()->position (), 0.0, 1.0, results);
trackview.editor ().get_selection ().set (results);
trackview.editor ().commit_reversible_command ();
trackview.session ()->set_dirty ();
} else {
delete region_memento;
}
}
void
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());
}
GhostRegion*
AudioRegionView::add_ghost (TimeAxisView& tv)
{
RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&trackview);
if (!rtv) {
return 0;
}
double unit_position = _region->position () / samples_per_pixel;
AudioGhostRegion* ghost = new AudioGhostRegion (*this, tv, trackview, unit_position);
uint32_t nchans;
nchans = rtv->track()->n_channels().n_audio();
for (uint32_t n = 0; n < nchans; ++n) {
if (n >= audio_region()->n_channels()) {
break;
}
ArdourWaveView::WaveView *wave = new ArdourWaveView::WaveView (ghost->group, audio_region());
CANVAS_DEBUG_NAME (wave, string_compose ("ghost wave for %1", get_item_name()));
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_pixel);
ghost->set_colors();
ghosts.push_back (ghost);
return ghost;
}
void
AudioRegionView::entered ()
{
trackview.editor().set_current_trimmable (_region);
trackview.editor().set_current_movable (_region);
update_envelope_visibility();
if ((trackview.editor().current_mouse_mode() == Editing::MouseObject)) {
if (start_xfade_rect) {
start_xfade_rect->set_outline (true);
}
if (end_xfade_rect) {
end_xfade_rect->set_outline (true);
}
if (fade_in_handle) {
fade_in_handle->show ();
fade_in_handle->raise_to_top ();
}
if (fade_out_handle) {
fade_out_handle->show ();
fade_out_handle->raise_to_top ();
}
if (fade_in_trim_handle) {
boost::shared_ptr<AudioRegion> ar (audio_region());
if (!ar->locked() && (ar->fade_in()->back()->when > 64 || (ar->can_trim() & Trimmable::FrontTrimEarlier))) {
fade_in_trim_handle->show ();
fade_in_trim_handle->raise_to_top ();
} else {
fade_in_trim_handle->hide ();
}
}
if (fade_out_trim_handle) {
boost::shared_ptr<AudioRegion> ar (audio_region());
if (!ar->locked() && (ar->fade_out()->back()->when > 64 || (ar->can_trim() & Trimmable::EndTrimLater))) {
fade_out_trim_handle->show ();
fade_out_trim_handle->raise_to_top ();
} else {
fade_out_trim_handle->hide ();
}
}
} else { //this happens when we switch tools; if we switch away from Grab mode, hide all the fade handles
if (fade_in_handle) { fade_in_handle->hide(); }
if (fade_out_handle) { fade_out_handle->hide(); }
if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
}
}
void
AudioRegionView::exited ()
{
trackview.editor().set_current_trimmable (boost::shared_ptr<Trimmable>());
trackview.editor().set_current_movable (boost::shared_ptr<Movable>());
// if (gain_line) {
// gain_line->remove_visibility (AutomationLine::ControlPoints);
// }
if (fade_in_handle) { fade_in_handle->hide(); }
if (fade_out_handle) { fade_out_handle->hide(); }
if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
}
void
AudioRegionView::envelope_active_changed ()
{
if (gain_line) {
gain_line->set_line_color (audio_region()->envelope_active() ?
UIConfiguration::instance().color ("gain line") :
UIConfiguration::instance().color_mod ("gain line inactive", "gain line inactive"));
update_envelope_visibility ();
}
}
void
AudioRegionView::color_handler ()
{
//case cMutedWaveForm:
//case cWaveForm:
//case cWaveFormClip:
//case cZeroLine:
set_colors ();
//case cGainLineInactive:
//case cGainLine:
envelope_active_changed();
}
void
AudioRegionView::set_waveform_colors ()
{
set_some_waveform_colors (waves);
}
void
AudioRegionView::set_some_waveform_colors (vector<ArdourWaveView::WaveView*>& waves_to_color)
{
Gtkmm2ext::Color fill;
Gtkmm2ext::Color outline;
Gtkmm2ext::Color clip = UIConfiguration::instance().color ("clipped waveform");
Gtkmm2ext::Color zero = UIConfiguration::instance().color ("zero line");
if (_selected) {
if (_region->muted()) {
/* hide outline with zero alpha */
outline = UINT_RGBA_CHANGE_A(UIConfiguration::instance().color ("selected waveform outline"), 0);
fill = UINT_RGBA_CHANGE_A(UIConfiguration::instance().color ("selected waveform fill"), MUTED_ALPHA);
} else {
outline = UIConfiguration::instance().color ("selected waveform outline");
fill = UIConfiguration::instance().color ("selected waveform fill");
}
} else {
if (_recregion) {
outline = UIConfiguration::instance().color ("recording waveform outline");
fill = UIConfiguration::instance().color ("recording waveform fill");
} else {
if (_region->muted()) {
/* hide outline with zero alpha */
outline = UINT_RGBA_CHANGE_A(UIConfiguration::instance().color ("waveform outline"), 0);
fill = UINT_RGBA_CHANGE_A(UIConfiguration::instance().color ("waveform fill"), MUTED_ALPHA);
} else {
outline = UIConfiguration::instance().color ("waveform outline");
fill = UIConfiguration::instance().color ("waveform fill");
}
}
}
for (vector<ArdourWaveView::WaveView*>::iterator w = waves_to_color.begin(); w != waves_to_color.end(); ++w) {
(*w)->set_fill_color (fill);
(*w)->set_outline_color (outline);
(*w)->set_clip_color (clip);
(*w)->set_zero_color (zero);
}
}
void
AudioRegionView::set_frame_color ()
{
if (!frame) {
return;
}
RegionView::set_frame_color ();
set_waveform_colors ();
}
void
AudioRegionView::set_fade_visibility (bool yn)
{
if (yn) {
if (start_xfade_curve) { start_xfade_curve->show (); }
if (end_xfade_curve) { end_xfade_curve->show (); }
if (start_xfade_rect) { start_xfade_rect->show (); }
if (end_xfade_rect) { end_xfade_rect->show (); }
} else {
if (start_xfade_curve) { start_xfade_curve->hide(); }
if (end_xfade_curve) { end_xfade_curve->hide(); }
if (fade_in_handle) { fade_in_handle->hide(); }
if (fade_out_handle) { fade_out_handle->hide(); }
if (fade_in_trim_handle) { fade_in_trim_handle->hide(); }
if (fade_out_trim_handle) { fade_out_trim_handle->hide(); }
if (start_xfade_rect) { start_xfade_rect->hide (); }
if (end_xfade_rect) { end_xfade_rect->hide (); }
if (start_xfade_rect) { start_xfade_rect->set_outline (false); }
if (end_xfade_rect) { end_xfade_rect->set_outline (false); }
}
}
void
AudioRegionView::update_coverage_frame (LayerDisplay d)
{
RegionView::update_coverage_frame (d);
if (d == Stacked) {
if (fade_in_handle) { fade_in_handle->raise_to_top (); }
if (fade_out_handle) { fade_out_handle->raise_to_top (); }
if (fade_in_trim_handle) { fade_in_trim_handle->raise_to_top (); }
if (fade_out_trim_handle) { fade_out_trim_handle->raise_to_top (); }
}
}
void
AudioRegionView::show_region_editor ()
{
if (editor == 0) {
editor = new AudioRegionEditor (trackview.session(), audio_region());
}
editor->present ();
editor->show_all();
}
void
AudioRegionView::transients_changed ()
{
AnalysisFeatureList analysis_features;
_region->transients (analysis_features);
samplepos_t position = _region->position();
samplepos_t first = _region->first_sample();
samplepos_t last = _region->last_sample();
double y1;
if (_height >= NAME_HIGHLIGHT_THRESH) {
y1 = _height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 1;
} else {
y1 = _height - 1;
}
while (feature_lines.size() < analysis_features.size()) {
ArdourCanvas::Line* canvas_item = new ArdourCanvas::Line(group);
CANVAS_DEBUG_NAME (canvas_item, string_compose ("transient group for %1", region()->name()));
canvas_item->set_outline_color (UIConfiguration::instance().color ("zero line")); // also in Editor::leave_handler()
canvas_item->set (ArdourCanvas::Duple (-1.0, 2.0),
ArdourCanvas::Duple (1.0, y1));
canvas_item->raise_to_top ();
canvas_item->show ();
canvas_item->set_data ("regionview", 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));
}
while (feature_lines.size() > analysis_features.size()) {
ArdourCanvas::Line* line = feature_lines.back().second;
feature_lines.pop_back ();
delete line;
}
AnalysisFeatureList::const_iterator i;
list<std::pair<samplepos_t, ArdourCanvas::Line*> >::iterator l;
for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
float *pos = new float;
*pos = trackview.editor().sample_to_pixel (*i - position);
(*l).second->set (
ArdourCanvas::Duple (*pos, 2.0),
ArdourCanvas::Duple (*pos, y1)
);
(*l).second->set_data ("position", pos); // is this *modified* (drag?), if not use *i
(*l).first = *i;
if (l->first < first || l->first >= last) {
l->second->hide();
} else {
l->second->show();
}
}
}
void
AudioRegionView::update_transient(float /*old_pos*/, float new_pos)
{
/* Find sample at old pos, calulate new sample then update region transients*/
list<std::pair<samplepos_t, ArdourCanvas::Line*> >::iterator l;
for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
/* Line has been updated in drag so we compare to new_pos */
float* pos = (float*) (*l).second->get_data ("position");
if (rint(new_pos) == rint(*pos)) {
samplepos_t position = _region->position();
samplepos_t old_sample = (*l).first;
samplepos_t new_sample = trackview.editor().pixel_to_sample (new_pos) + position;
_region->update_transient (old_sample, new_sample);
break;
}
}
}
void
AudioRegionView::remove_transient (float pos)
{
/* this is called from Editor::remove_transient () with pos == get_data ("position")
* which is the item's x-coordinate inside the ARV.
*
* Find sample at old pos, calulate new sample then update region transients
*/
list<std::pair<samplepos_t, ArdourCanvas::Line*> >::iterator l;
for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
float *line_pos = (float*) (*l).second->get_data ("position");
if (rint(pos) == rint(*line_pos)) {
_region->remove_transient ((*l).first);
break;
}
}
}
void
AudioRegionView::thaw_after_trim ()
{
RegionView::thaw_after_trim ();
unhide_envelope ();
drag_end ();
}
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
if (fade_in_handle && fade_in_handle->visible()) {
// lenght of region or fade changed, re-check
// if fade_in_trim_handle or fade_out_trim_handle should
// be visible. -- If the fade_in_handle is visible
// we have focus and are not in internal edit mode.
entered();
}
}
void
AudioRegionView::parameter_changed (string const & p)
{
if (p == "show-waveforms") {
setup_waveform_visibility ();
}
}