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