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livetrax/gtk2_ardour/taperegionview.cc

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/*
Copyright (C) 2006 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
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., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id$
*/
#include <cmath>
#include <algorithm>
#include <gtkmm.h>
#include <gtkmm2ext/gtk_ui.h>
#include <ardour/playlist.h>
#include <ardour/audioregion.h>
#include <ardour/diskstream.h>
#include "taperegionview.h"
#include "audio_time_axis.h"
#include "gui_thread.h"
#include "i18n.h"
using namespace sigc;
using namespace ARDOUR;
using namespace Editing;
using namespace ArdourCanvas;
TapeAudioRegionView::TapeAudioRegionView (ArdourCanvas::Group *parent, AudioTimeAxisView &tv,
AudioRegion& r,
double spu,
Gdk::Color& basic_color)
: AudioRegionView (parent, tv, r, spu, basic_color,
TimeAxisViewItem::Visibility (TimeAxisViewItem::ShowNameHighlight|
TimeAxisViewItem::ShowFrame|
TimeAxisViewItem::HideFrameLR|
TimeAxisViewItem::FullWidthNameHighlight))
{
}
void
TapeAudioRegionView::init (double amplitude_above_axis, Gdk::Color& basic_color, bool wfw)
{
XMLNode *node;
editor = 0;
valid = true;
in_destructor = false;
_amplitude_above_axis = amplitude_above_axis;
zero_line = 0;
wait_for_waves = wfw;
_height = 0;
_flags = 0;
if ((node = region.extra_xml ("GUI")) != 0) {
set_flags (node);
} else {
_flags = WaveformVisible;
store_flags ();
}
fade_in_handle = 0;
fade_out_handle = 0;
gain_line = 0;
sync_mark = 0;
compute_colors (basic_color);
create_waves ();
name_highlight->set_data ("regionview", this);
reset_width_dependent_items ((double) region.length() / samples_per_unit);
set_height (trackview.height);
region_muted ();
region_resized (BoundsChanged);
set_waveview_data_src();
region_locked ();
/* no events, no state changes */
set_colors ();
// ColorChanged.connect (mem_fun (*this, &AudioRegionView::color_handler));
/* every time the wave data changes and peaks are ready, redraw */
for (uint32_t n = 0; n < region.n_channels(); ++n) {
region.source(n).PeaksReady.connect (bind (mem_fun(*this, &TapeAudioRegionView::update), n));
}
}
TapeAudioRegionView::~TapeAudioRegionView()
{
}
void
TapeAudioRegionView::update (uint32_t n)
{
/* check that all waves are build and ready */
if (!tmp_waves.empty()) {
return;
}
ENSURE_GUI_THREAD (bind (mem_fun(*this, &TapeAudioRegionView::update), n));
/* this triggers a cache invalidation and redraw in the waveview */
waves[n]->property_data_src() = &region;
}
void
TapeAudioRegionView::set_frame_color ()
{
fill_opacity = 255;
TimeAxisViewItem::set_frame_color ();
}