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livetrax/gtk2_ardour/ghostregion.cc

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#include "simplerect.h"
#include "waveview.h"
#include "ghostregion.h"
#include "automation_time_axis.h"
#include "rgb_macros.h"
using namespace Editing;
using namespace ArdourCanvas;
GhostRegion::GhostRegion (AutomationTimeAxisView& atv, double initial_pos)
: trackview (atv)
{
//group = gnome_canvas_item_new (GNOME_CANVAS_GROUP(trackview.canvas_display),
// gnome_canvas_group_get_type(),
// "x", initial_pos,
// "y", 0.0,
// NULL);
group = new ArdourCanvas::Group (*trackview.canvas_display);
group->property_x() = initial_pos;
group->property_y() = 0.0;
base_rect = new ArdourCanvas::SimpleRect (*group);
base_rect->property_x1() = (double) 0.0;
base_rect->property_y1() = (double) 0.0;
base_rect->property_y2() = (double) trackview.height;
base_rect->property_outline_what() = (guint32) 0;
base_rect->property_outline_color_rgba() = color_map[cGhostTrackBaseOutline];
base_rect->property_fill_color_rgba() = color_map[cGhostTrackBaseFill];
group->lower_to_bottom ();
atv.add_ghost (this);
}
GhostRegion::~GhostRegion ()
{
GoingAway (this);
delete base_rect;
delete group;
}
void
GhostRegion::set_samples_per_unit (double spu)
{
for (vector<WaveView*>::iterator i = waves.begin(); i != waves.end(); ++i) {
(*i)->property_samples_per_unit() = spu;
}
}
void
GhostRegion::set_duration (double units)
{
base_rect->property_x2() = units;
}
void
GhostRegion::set_height ()
{
gdouble ht;
vector<WaveView*>::iterator i;
uint32_t n;
base_rect->property_y2() = (double) trackview.height;
ht = ((trackview.height) / (double) waves.size());
for (n = 0, i = waves.begin(); i != waves.end(); ++i, ++n) {
gdouble yoff = n * ht;
(*i)->property_height() = ht;
(*i)->property_y() = yoff;
}
}