X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Ftempo_curve.cc;h=4d2ea31a46f6a9d939e577f2b0e4a9c99fcc2047;hb=ae0dcdc0c5d13483271065c360e378202d20170a;hp=b340ee0145d093b88ee02eb21aa78ab0e16971c8;hpb=86b0268e8be554e9286aebd544757fc13fe76dac;p=ardour.git diff --git a/gtk2_ardour/tempo_curve.cc b/gtk2_ardour/tempo_curve.cc index b340ee0145..4d2ea31a46 100644 --- a/gtk2_ardour/tempo_curve.cc +++ b/gtk2_ardour/tempo_curve.cc @@ -4,7 +4,6 @@ #include "canvas/rectangle.h" #include "canvas/container.h" #include "canvas/curve.h" -#include "canvas/polygon.h" #include "canvas/canvas.h" #include "canvas/debug.h" @@ -17,55 +16,58 @@ #include -#include "i18n.h" +#include "pbd/i18n.h" PBD::Signal1 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) - - + , _start_text (0) + , _end_text (0) { - 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); + _start_text = new ArdourCanvas::Text (group); + _end_text = new ArdourCanvas::Text (group); + _start_text->set_font_description (ARDOUR_UI_UTILS::get_font_for_style (N_("MarkerText"))); + _end_text->set_font_description (ARDOUR_UI_UTILS::get_font_for_style (N_("MarkerText"))); + _start_text->set_color (RGBA_TO_UINT (255,255,255,255)); + _end_text->set_color (RGBA_TO_UINT (255,255,255,255)); + char buf[10]; + snprintf (buf, sizeof (buf), "%.3f/%.0f", _tempo.note_types_per_minute(), _tempo.note_type()); + _start_text->set (buf); + snprintf (buf, sizeof (buf), "%.3f", _tempo.end_note_types_per_minute()); + _end_text->set (buf); + set_color_rgba (rgba); editor.ZoomChanged.connect (sigc::mem_fun (*this, &TempoCurve::reposition)); @@ -74,14 +76,13 @@ TempoCurve::TempoCurve (PublicEditor& ed, ArdourCanvas::Container& parent, guint * 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)); + + group->Event.connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_tempo_curve_event), _curve, this)); } @@ -114,50 +115,68 @@ TempoCurve::the_item() const 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); + + char buf[10]; + snprintf (buf, sizeof (buf), "%.3f/%.0f", _tempo.note_types_per_minute(), _tempo.note_type()); + _start_text->set (buf); + snprintf (buf, sizeof (buf), "%.3f", _tempo.end_note_types_per_minute()); + _end_text->set (buf); + + _start_text->set_position (ArdourCanvas::Duple (10, .5 )); + _end_text->set_position (ArdourCanvas::Duple (editor.sample_to_pixel (end_frame - frame) - _end_text->text_width() - 10, .5 )); + + if (_end_text->text_width() + _start_text->text_width() + 20 > editor.sample_to_pixel (end_frame - frame)) { + _start_text->hide(); + _end_text->hide(); + } else { + _start_text->show(); + _end_text->show(); + } } void @@ -171,7 +190,7 @@ TempoCurve::show () { _shown = true; - group->show (); + group->show (); } void @@ -186,9 +205,7 @@ 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 (_color, "selection rect")); _curve->set_outline_color (_color); - _background->set_fill (true); - _background->set_fill_color (UIConfiguration::instance().color_mod ("selection rect", "selection rect")); }