#include "canvas/rectangle.h"
#include "canvas/container.h"
#include "canvas/curve.h"
-#include "canvas/polygon.h"
#include "canvas/canvas.h"
#include "canvas/debug.h"
#include <gtkmm2ext/utils.h>
-#include "i18n.h"
+#include "pbd/i18n.h"
PBD::Signal1<void,TempoCurve*> TempoCurve::CatchDeletion;
+static double curve_height = 13.0;
+
+void TempoCurve::setup_sizes(const double timebar_height)
+{
+ curve_height = floor (timebar_height) - 2.5;
+}
+/* ignores Tempo note type - only note_types_per_minute is potentially curved */
TempoCurve::TempoCurve (PublicEditor& ed, ArdourCanvas::Container& parent, guint32 rgba, ARDOUR::TempoSection& temp, framepos_t frame, bool handle_events)
: editor (ed)
, _parent (&parent)
- , _shown (false)
, _curve (0)
+ , _shown (false)
, _color (rgba)
- , _max_tempo (temp.beats_per_minute())
+ , _min_tempo (temp.note_types_per_minute())
+ , _max_tempo (temp.note_types_per_minute())
, _tempo (temp)
-
{
- const double MH = 12.0;
- const double M3 = std::max(1.f, rintf(3.f * UIConfiguration::instance().get_ui_scale()));
- const double M6 = std::max(2.f, rintf(6.f * UIConfiguration::instance().get_ui_scale()));
-
- points = new ArdourCanvas::Points ();
- points->push_back (ArdourCanvas::Duple (0.0, 0.0));
- points->push_back (ArdourCanvas::Duple (1.0, 0.0));
- points->push_back (ArdourCanvas::Duple (1.0, MH));
- points->push_back (ArdourCanvas::Duple (0.0, MH));
-
frame_position = frame;
unit_position = editor.sample_to_pixel (frame);
- group = new ArdourCanvas::Container (&parent, ArdourCanvas::Duple (unit_position, 0));
+ group = new ArdourCanvas::Container (&parent, ArdourCanvas::Duple (unit_position, 1));
#ifdef CANVAS_DEBUG
- group->name = string_compose ("Marker::group for %1", _tempo.beats_per_minute());
+ group->name = string_compose ("TempoCurve::group for %1", _tempo.note_types_per_minute());
#endif
- _background = new ArdourCanvas::Rectangle (group);
-#ifdef CANVAS_DEBUG
- _background->name = string_compose ("Marker::_background for %1", _tempo.beats_per_minute());
-#endif
- _background->set_x0 (0.0);
- _background->set_x1 (ArdourCanvas::COORD_MAX);
- _background->set_outline_what (ArdourCanvas::Rectangle::What(0));
- _curve = new ArdourCanvas::Curve (group);
+ _curve = new ArdourCanvas::FramedCurve (group);
#ifdef CANVAS_DEBUG
- _curve->name = string_compose ("Marker::_background for %1", _tempo.beats_per_minute());
+ _curve->name = string_compose ("TempoCurve::curve for %1", _tempo.note_types_per_minute());
#endif
- _curve->set_fill_mode (ArdourCanvas::Curve::Inside);
- _curve->set_points_per_segment (32);
+ _curve->set_points_per_segment (3);
+ points = new ArdourCanvas::Points ();
_curve->set (*points);
set_color_rgba (rgba);
* make sure they can both be used to lookup this object.
*/
- group->set_data ("marker", this);
+ _curve->set_data ("tempo curve", this);
if (handle_events) {
//group->Event.connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_marker_event), group, this));
}
- set_position (_tempo.frame(), UINT32_MAX);
- _curve->Event.connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_tempo_curve_event), group, this));
- _background->Event.connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_tempo_curve_event), group, this));
+
+ _curve->Event.connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_tempo_curve_event), _curve, this));
}
void
TempoCurve::set_position (framepos_t frame, framepos_t end_frame)
{
- const double height = 12.0;
- points->clear();
unit_position = editor.sample_to_pixel (frame);
group->set_x_position (unit_position);
frame_position = frame;
_end_frame = end_frame;
- _background->set_x0 (0.0);
- _background->set_x1 (editor.sample_to_pixel (end_frame - frame));
- const double tempo_delta = max (10.0, _max_tempo - _min_tempo);
- double max_y = 0.0;
+
+ points->clear();
points = new ArdourCanvas::Points ();
- if (end_frame == UINT32_MAX) {
- _curve->set_fill_mode (ArdourCanvas::Curve::None);
- const double tempo_at = _tempo.tempo_at_frame (frame, editor.session()->frame_rate()) * _tempo.note_type();
- const double y2_pos = (height + 2.0) - (((tempo_at - _min_tempo) / (tempo_delta)) * height);
- max_y = y2_pos;
- points->push_back (ArdourCanvas::Duple (0.0, y2_pos));
- points->push_back (ArdourCanvas::Duple (ArdourCanvas::COORD_MAX - 5.0, y2_pos));
+ points->push_back (ArdourCanvas::Duple (0.0, curve_height));
+
+ if (frame >= end_frame) {
+ /* shouldn't happen but ..*/
+ const double tempo_at = _tempo.note_types_per_minute();
+ const double y_pos = (curve_height) - (((tempo_at - _min_tempo) / (_max_tempo - _min_tempo)) * curve_height);
+
+ points->push_back (ArdourCanvas::Duple (0.0, y_pos));
+ points->push_back (ArdourCanvas::Duple (1.0, y_pos));
+
+ } else if (_tempo.type() == ARDOUR::TempoSection::Constant || _tempo.c() == 0.0) {
+ const double tempo_at = _tempo.note_types_per_minute();
+ const double y_pos = (curve_height) - (((tempo_at - _min_tempo) / (_max_tempo - _min_tempo)) * curve_height);
+
+ points->push_back (ArdourCanvas::Duple (0.0, y_pos));
+ points->push_back (ArdourCanvas::Duple (editor.sample_to_pixel (end_frame - frame), y_pos));
} else {
- _curve->set_fill_mode (ArdourCanvas::Curve::Inside);
- const framepos_t frame_step = (end_frame - frame) / 32;
+
+ const framepos_t frame_step = max ((end_frame - frame) / 5, (framepos_t) 1);
framepos_t current_frame = frame;
+
while (current_frame < end_frame) {
- const double tempo_at = _tempo.tempo_at_frame (current_frame, editor.session()->frame_rate()) * _tempo.note_type();
- const double y2_pos = (height + 2.0) - (((tempo_at - _min_tempo) / (tempo_delta)) * height);
+ const double tempo_at = _tempo.tempo_at_minute (_tempo.minute_at_frame (current_frame)).note_types_per_minute();
+ const double y_pos = max ((curve_height) - (((tempo_at - _min_tempo) / (_max_tempo - _min_tempo)) * curve_height), 0.0);
+
+ points->push_back (ArdourCanvas::Duple (editor.sample_to_pixel (current_frame - frame), min (y_pos, curve_height)));
- points->push_back (ArdourCanvas::Duple (editor.sample_to_pixel (current_frame - frame), y2_pos));
- max_y = max (y2_pos, max_y);
current_frame += frame_step;
}
- }
- /* the background fills the gap between the bottom of the curve and the time bar */
- _background->set_y0 (max_y + 1.0);
- _background->set_y1 (height + 2.0);
+ const double tempo_at = _tempo.tempo_at_minute (_tempo.minute_at_frame (end_frame)).note_types_per_minute();
+ const double y_pos = max ((curve_height) - (((tempo_at - _min_tempo) / (_max_tempo - _min_tempo)) * curve_height), 0.0);
- if (max_y == height + 2.0) {
- _background->hide();
- } else {
- _background->show();
+ points->push_back (ArdourCanvas::Duple (editor.sample_to_pixel (end_frame - frame), min (y_pos, curve_height)));
}
_curve->set (*points);
TempoCurve::set_color_rgba (uint32_t c)
{
_color = c;
- _curve->set_fill_color (UIConfiguration::instance().color_mod ("selection rect", "selection rect"));
+ _curve->set_fill_color (UIConfiguration::instance().color_mod ("tempo curve", "selection rect"));
_curve->set_outline_color (_color);
- _background->set_fill (true);
- _background->set_fill_color (UIConfiguration::instance().color_mod ("selection rect", "selection rect"));
}