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livetrax/gtk2_ardour/ghostregion.cc
Taybin Rutkin 14d43ca9fe Switched to use libgnomecanvas (not the C++ one).
git-svn-id: svn://localhost/trunk/ardour2@30 d708f5d6-7413-0410-9779-e7cbd77b26cf
2005-09-25 22:26:56 +00:00

69 lines
1.6 KiB
C++

#include "canvas-simplerect.h"
#include "ghostregion.h"
#include "automation_time_axis.h"
#include "rgb_macros.h"
using namespace Editing;
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);
base_rect = gnome_canvas_item_new (GNOME_CANVAS_GROUP(group),
gnome_canvas_simplerect_get_type(),
"x1", (double) 0.0,
"y1", (double) 0.0,
"y2", (double) trackview.height,
"outline_what", (guint32) 0,
"outline_color_rgba", color_map[cGhostTrackBaseOutline],
"fill_color_rgba", color_map[cGhostTrackBaseFill],
NULL);
gnome_canvas_item_lower_to_bottom (group);
atv.add_ghost (this);
}
GhostRegion::~GhostRegion ()
{
GoingAway (this);
gtk_object_destroy (GTK_OBJECT(group));
}
void
GhostRegion::set_samples_per_unit (double spu)
{
for (vector<GnomeCanvasItem*>::iterator i = waves.begin(); i != waves.end(); ++i) {
gnome_canvas_item_set ((*i), "samples_per_unit", spu, NULL);
}
}
void
GhostRegion::set_duration (double units)
{
gnome_canvas_item_set (base_rect, "x2", units, NULL);
}
void
GhostRegion::set_height ()
{
gdouble ht;
vector<GnomeCanvasItem*>::iterator i;
uint32_t n;
gnome_canvas_item_set (base_rect, "y2", (double) trackview.height, NULL);
ht = ((trackview.height) / (double) waves.size());
for (n = 0, i = waves.begin(); i != waves.end(); ++i, ++n) {
gdouble yoff = n * ht;
gnome_canvas_item_set ((*i), "height", ht, "y", yoff, NULL);
}
}