enough with umpteen "i18n.h" files. Consolidate on pbd/i18n.h

[ardour.git] / gtk2_ardour / tempo_curve.cc

diff --git a/gtk2_ardour/tempo_curve.cc b/gtk2_ardour/tempo_curve.cc
index 8f19001357ff174b32a755bbea4552e6bd25f4a0..db675c9c5f710116c00aed5e2594a2d6299a34e6 100644 (file)
--- a/gtk2_ardour/tempo_curve.cc
+++ b/gtk2_ardour/tempo_curve.cc
@@ -16,7 +16,7 @@
 
 #include <gtkmm2ext/utils.h>
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 PBD::Signal1<void,TempoCurve*> TempoCurve::CatchDeletion;
 
@@ -44,15 +44,15 @@ TempoCurve::TempoCurve (PublicEditor& ed, ArdourCanvas::Container& parent, guint
 
        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.beats_per_minute());
 #endif
 
        _curve = new ArdourCanvas::FramedCurve (group);
 #ifdef CANVAS_DEBUG
-       _curve->name = string_compose ("TempoCurve::_curve for %1", _tempo.beats_per_minute());
+       _curve->name = string_compose ("TempoCurve::curve for %1", _tempo.beats_per_minute());
 #endif
        _curve->set_fill_mode (ArdourCanvas::FramedCurve::Inside);
-       _curve->set_points_per_segment (31);
+       _curve->set_points_per_segment (3);
 
        points = new ArdourCanvas::Points ();
        points->push_back (ArdourCanvas::Duple (0.0, 0.0));
@@ -115,9 +115,6 @@ TempoCurve::set_position (framepos_t frame, framepos_t end_frame)
        frame_position = frame;
        _end_frame = end_frame;
 
-       const double tempo_delta = max (10.0, _max_tempo - _min_tempo);
-       double max_y = 0.0;
-
        points->clear();
 
        points = new ArdourCanvas::Points ();
@@ -125,32 +122,28 @@ TempoCurve::set_position (framepos_t frame, framepos_t end_frame)
 
        if (end_frame == UINT32_MAX) {
                const double tempo_at = _tempo.tempo_at_frame (frame, editor.session()->frame_rate()) * _tempo.note_type();
-               const double y_pos =  (curve_height) - (((tempo_at - _min_tempo) / (tempo_delta)) * curve_height);
-
-               max_y = y_pos;
+               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 (ArdourCanvas::COORD_MAX - 5.0, y_pos));
 
        } else {
-               const framepos_t frame_step = (end_frame - frame) / 31;
+               const framepos_t frame_step = max ((end_frame - frame) / 5, (framepos_t) 1);
                framepos_t current_frame = frame;
 
-               while (current_frame < end_frame) {
+               while (current_frame < (end_frame - frame_step)) {
                        const double tempo_at = _tempo.tempo_at_frame (current_frame, editor.session()->frame_rate()) * _tempo.note_type();
-                       const double y_pos = (curve_height) - (((tempo_at - _min_tempo) / (tempo_delta)) * curve_height);
+                       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), y_pos));
+                       points->push_back (ArdourCanvas::Duple (editor.sample_to_pixel (current_frame - frame), min (y_pos, curve_height)));
 
-                       max_y = max (y_pos, max_y);
                        current_frame += frame_step;
                }
-               if (current_frame != end_frame) {
-                       const double tempo_at = _tempo.tempo_at_frame (end_frame, editor.session()->frame_rate()) * _tempo.note_type();
-                       const double y_pos = (curve_height) - (((tempo_at - _min_tempo) / (tempo_delta)) * curve_height);
 
-                       points->push_back (ArdourCanvas::Duple (editor.sample_to_pixel (end_frame - frame), y_pos));
-               }
+               const double tempo_at = _tempo.tempo_at_frame (end_frame, editor.session()->frame_rate()) * _tempo.note_type();
+               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 ((end_frame - 1) - frame), min (y_pos, curve_height)));
        }
 
        _curve->set (*points);
@@ -182,7 +175,7 @@ void
 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);
 
 }