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Summary tweaks: plot tracks as well as regions (as suggested by Chris);

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remove the restriction on maximum track height; represent empty editor
space in the summary.


git-svn-id: svn://localhost/ardour2/branches/3.0@7257 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington
2010-06-14 23:59:21 +00:00
parent c158c44fab
commit 1f829f45ef
1 changed files with 21 additions and 18 deletions
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39
gtk2_ardour/editor_summary.cc
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@@ -143,39 +143,42 @@ EditorSummary::render (cairo_t* cr)
_start = theoretical_start > 0 ? theoretical_start : 0;
_end = _session->current_end_frame() + session_length * _overhang_fraction;
/* compute total height of all tracks */
int h = 0;
int max_height = 0;
for (TrackViewList::const_iterator i = _editor->track_views.begin(); i != _editor->track_views.end(); ++i) {
int const t = (*i)->effective_height ();
h += t;
max_height = max (max_height, t);
}
/* compute x and y scale */
if (_end != _start) {
_x_scale = static_cast<double> (_width) / (_end - _start);
} else {
_x_scale = 1;
}
_y_scale = static_cast<double> (_height) / h;
/* tallest a region should ever be in the summary, in pixels */
int const tallest_region_pixels = _height / 16;
if (max_height * _y_scale > tallest_region_pixels) {
_y_scale = static_cast<double> (tallest_region_pixels) / max_height;
double h = 0;
for (TrackViewList::const_iterator i = _editor->track_views.begin(); i != _editor->track_views.end(); ++i) {
h += (*i)->effective_height ();
}
/* render regions */
double vh = _editor->canvas_height() - _editor->get_canvas_timebars_vsize();
if (vh > h) {
_y_scale = _height / vh;
} else {
_y_scale = _height / h;
}
/* render tracks and regions */
double y = 0;
for (TrackViewList::const_iterator i = _editor->track_views.begin(); i != _editor->track_views.end(); ++i) {
double const h = (*i)->effective_height () * _y_scale;
cairo_set_source_rgb (cr, 0.2, 0.2, 0.2);
cairo_set_line_width (cr, h - 2);
cairo_move_to (cr, 0, y + h / 2);
cairo_line_to (cr, _width, y + h / 2);
cairo_stroke (cr);
StreamView* s = (*i)->view ();
if (s) {
double const h = (*i)->effective_height () * _y_scale;
cairo_set_line_width (cr, h);
cairo_set_line_width (cr, h * 0.6);
s->foreach_regionview (sigc::bind (
sigc::mem_fun (*this, &EditorSummary::render_region),