Automation ghost notes for percussive hits.
authorDavid Robillard <d@drobilla.net>
Mon, 29 Dec 2014 02:31:33 +0000 (21:31 -0500)
committerDavid Robillard <d@drobilla.net>
Mon, 29 Dec 2014 02:31:33 +0000 (21:31 -0500)
gtk2_ardour/ghostregion.cc
gtk2_ardour/ghostregion.h
gtk2_ardour/hit.cc
gtk2_ardour/hit.h
gtk2_ardour/midi_region_view.cc

index 0813a229bb6f4cb082523926f29ebd433e40c38f..125b75987977a70e073ead5cef6dd9f1596bb90c 100644 (file)
@@ -19,6 +19,7 @@
 
 #include "evoral/Note.hpp"
 #include "canvas/container.h"
+#include "canvas/polygon.h"
 #include "canvas/rectangle.h"
 #include "canvas/wave_view.h"
 #include "canvas/debug.h"
@@ -30,6 +31,7 @@
 #include "midi_time_axis.h"
 #include "rgb_macros.h"
 #include "note.h"
+#include "hit.h"
 
 using namespace std;
 using namespace Editing;
@@ -193,14 +195,24 @@ MidiGhostRegion::~MidiGhostRegion()
 MidiGhostRegion::GhostEvent::GhostEvent (NoteBase* e, ArdourCanvas::Container* g)
        : event (e)
 {
-       rect = new ArdourCanvas::Rectangle (g, ArdourCanvas::Rect (e->x0(), e->y0(), e->x1(), e->y1()));
-       CANVAS_DEBUG_NAME (rect, "ghost note rect");
+       Hit* hit = NULL;
+       if (dynamic_cast<Note*>(e)) {
+               item = new ArdourCanvas::Rectangle(
+                       g, ArdourCanvas::Rect(e->x0(), e->y0(), e->x1(), e->y1()));
+       } else if ((hit = dynamic_cast<Hit*>(e))) {
+               ArdourCanvas::Polygon* poly = new ArdourCanvas::Polygon(g);
+               poly->set(Hit::points(e->y1() - e->y0()));
+               poly->set_position(hit->position());
+               item = poly;
+       }
+
+       CANVAS_DEBUG_NAME (item, "ghost note item");
 }
 
 MidiGhostRegion::GhostEvent::~GhostEvent ()
 {
        /* event is not ours to delete */
-       delete rect;
+       delete item;
 }
 
 void
@@ -233,11 +245,30 @@ MidiGhostRegion::set_colors()
        GhostRegion::set_colors();
 
        for (EventList::iterator it = events.begin(); it != events.end(); ++it) {
-               (*it)->rect->set_fill_color (ARDOUR_UI::config()->color_mod((*it)->event->base_color(), "ghost track midi fill"));
-               (*it)->rect->set_outline_color (ARDOUR_UI::config()->color ("ghost track midi outline"));
+               (*it)->item->set_fill_color (ARDOUR_UI::config()->color_mod((*it)->event->base_color(), "ghost track midi fill"));
+               (*it)->item->set_outline_color (ARDOUR_UI::config()->color ("ghost track midi outline"));
        }
 }
 
+static double
+note_height(TimeAxisView& trackview, MidiStreamView* mv)
+{
+       const double tv_height  = trackview.current_height();
+       const double note_range = mv->contents_note_range();
+
+       return std::max(1.0, floor(tv_height / note_range - 1.0));
+}
+
+static double
+note_y(TimeAxisView& trackview, MidiStreamView* mv, uint8_t note_num)
+{
+       const double tv_height  = trackview.current_height();
+       const double note_range = mv->contents_note_range();
+       const double s          = tv_height / note_range;
+
+       return tv_height - (note_num + 1 - mv->lowest_note()) * s;
+}
+
 void
 MidiGhostRegion::update_range ()
 {
@@ -247,19 +278,27 @@ MidiGhostRegion::update_range ()
                return;
        }
 
-       double const h = std::max(1., floor (trackview.current_height() / double (mv->contents_note_range ())) -1);
-       double const s = trackview.current_height() / double (mv->contents_note_range ());
+       double const h = note_height(trackview, mv);
 
        for (EventList::iterator it = events.begin(); it != events.end(); ++it) {
                uint8_t const note_num = (*it)->event->note()->note();
 
                if (note_num < mv->lowest_note() || note_num > mv->highest_note()) {
-                       (*it)->rect->hide();
+                       (*it)->item->hide();
                } else {
-                       (*it)->rect->show();
-                       double const y = trackview.current_height() - (note_num + 1 - mv->lowest_note()) * s;
-                       (*it)->rect->set_y0 (y);
-                       (*it)->rect->set_y1 (y + h);
+                       (*it)->item->show();
+                       double const y = note_y(trackview, mv, note_num);
+                       ArdourCanvas::Rectangle* rect = NULL;
+                       ArdourCanvas::Polygon*   poly = NULL;
+                       if ((rect = dynamic_cast<ArdourCanvas::Rectangle*>((*it)->item))) {
+                               rect->set_y0 (y);
+                               rect->set_y1 (y + h);
+                       } else if ((poly = dynamic_cast<ArdourCanvas::Polygon*>((*it)->item))) {
+                               Duple position = poly->position();
+                               position.y = y;
+                               poly->set_position(position);
+                               poly->set(Hit::points(h));
+                       }
                }
        }
 }
@@ -270,20 +309,30 @@ MidiGhostRegion::add_note (NoteBase* n)
        GhostEvent* event = new GhostEvent (n, group);
        events.push_back (event);
 
-       event->rect->set_fill_color (ARDOUR_UI::config()->color_mod(n->base_color(), "ghost track midi fill"));
-       event->rect->set_outline_color (ARDOUR_UI::config()->color ("ghost track midi outline"));
+       event->item->set_fill_color (ARDOUR_UI::config()->color_mod(n->base_color(), "ghost track midi fill"));
+       event->item->set_outline_color (ARDOUR_UI::config()->color ("ghost track midi outline"));
 
        MidiStreamView* mv = midi_view();
 
        if (mv) {
-               const uint8_t note_num = n->note()->note();
+               uint8_t const note_num = n->note()->note();
+               double const  h        = note_height(trackview, mv);
+               double const  y        = note_y(trackview, mv, note_num);
 
                if (note_num < mv->lowest_note() || note_num > mv->highest_note()) {
-                       event->rect->hide();
+                       event->item->hide();
                } else {
-                       const double y = mv->note_to_y(note_num);
-                       event->rect->set_y0 (y);
-                       event->rect->set_y1 (y + std::max(1., floor(mv->note_height()) -1));
+                       ArdourCanvas::Rectangle* rect = NULL;
+                       ArdourCanvas::Polygon*   poly = NULL;
+                       if ((rect = dynamic_cast<ArdourCanvas::Rectangle*>(event->item))) {
+                               rect->set_y0 (y);
+                               rect->set_y1 (y + h);
+                       } else if ((poly = dynamic_cast<ArdourCanvas::Polygon*>(event->item))) {
+                               Duple position = poly->position();
+                               position.y = y;
+                               poly->set_position(position);
+                               poly->set(Hit::points(h));
+                       }
                }
        }
 }
@@ -310,10 +359,25 @@ MidiGhostRegion::update_note (NoteBase* parent)
                return;
        }
 
-       double const x1 = parent->x0 ();
-       double const x2 = parent->x1 ();
-       ev->rect->set_x0 (x1);
-       ev->rect->set_x1 (x2);
+       Note*                    note = NULL;
+       ArdourCanvas::Rectangle* rect = NULL;
+       Hit*                     hit  = NULL;
+       ArdourCanvas::Polygon*   poly = NULL;
+       if ((note = dynamic_cast<Note*>(parent))) {
+               if ((rect = dynamic_cast<ArdourCanvas::Rectangle*>(ev->item))) {
+                       double const x1 = parent->x0 ();
+                       double const x2 = parent->x1 ();
+                       rect->set_x0 (x1);
+                       rect->set_x1 (x2);
+               }
+       } else if ((hit = dynamic_cast<Hit*>(parent))) {
+               if ((poly = dynamic_cast<ArdourCanvas::Polygon*>(ev->item))) {
+                       ArdourCanvas::Duple ppos = hit->position();
+                       ArdourCanvas::Duple gpos = poly->position();
+                       gpos.x = ppos.x;
+                       poly->set_position(gpos);
+               }
+       }
 }
 
 void
index 85b6d96ed143ba2b9260c691fb2103f1f5c04cdb..64211669d12511bb7a7a49f45d990c1af41e1d99 100644 (file)
@@ -77,7 +77,7 @@ public:
            virtual ~GhostEvent ();
            
            NoteBase* event;
-           ArdourCanvas::Rectangle* rect;
+           ArdourCanvas::Item* item;
        };
 
        MidiGhostRegion(TimeAxisView& tv, TimeAxisView& source_tv, double initial_unit_pos);
index 62d0b0baf60f6a747d21e6264e611caeeba4442e..42117f9addb78e0215947545ec8752eced2ae138 100644 (file)
@@ -76,8 +76,8 @@ Hit::hide ()
        _polygon->hide ();
 }
 
-void
-Hit::set_height (Distance height)
+Points
+Hit::points(Distance height)
 {
        /* draw a diamond */
 
@@ -89,7 +89,19 @@ Hit::set_height (Distance height)
        p.push_back (Duple (+half_height, 0)); // right, middle
        p.push_back (Duple (0, +half_height)); // bottom
 
-       _polygon->set (p);
+       return p;
+}
+
+void
+Hit::set_height (Distance height)
+{
+       _polygon->set (points(height));
+}
+
+Duple
+Hit::position ()
+{
+       return _polygon->position ();
 }
 
 void
index d9f16db772a05d505c1b1ce503dfbeb3b98df58b..c19bd49c37390956e332b55bd233972b81c1632f 100644 (file)
@@ -35,11 +35,12 @@ public:
        Hit (MidiRegionView&                   region,
             ArdourCanvas::Item*               parent,
             double                            size,
-            const boost::shared_ptr<NoteType> note = boost::shared_ptr<NoteType>(),
-            bool with_events = true);
-       ~Hit();
+            const boost::shared_ptr<NoteType> note        = boost::shared_ptr<NoteType>(),
+            bool                              with_events = true);
 
-        void show ();
+       ~Hit();
+
+       void show ();
        void hide ();
 
        ArdourCanvas::Coord x0 () const;
@@ -47,6 +48,8 @@ public:
        ArdourCanvas::Coord x1 () const;
        ArdourCanvas::Coord y1 () const;
 
+       ArdourCanvas::Duple position ();
+
        void set_position (ArdourCanvas::Duple);
 
        void set_height (ArdourCanvas::Coord);
@@ -58,8 +61,10 @@ public:
 
        void move_event (double, double);
 
-        /* no trimming of percussive hits */
-        bool big_enough_to_trim() const { return false; }
+       /* no trimming of percussive hits */
+       bool big_enough_to_trim() const { return false; }
+
+       static ArdourCanvas::Points points(ArdourCanvas::Distance height);
 
 private:
        ArdourCanvas::Polygon* _polygon;
index 514d1369206381fd8be93e0dcb92ca8054e5dd85..097178a0e68023077d5d6efd4385e0d5a18b3c0f 100644 (file)
@@ -1456,8 +1456,6 @@ MidiRegionView::apply_note_range (uint8_t min, uint8_t max, bool force)
 GhostRegion*
 MidiRegionView::add_ghost (TimeAxisView& tv)
 {
-       Note* note;
-
        double unit_position = _region->position () / samples_per_pixel;
        MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*>(&tv);
        MidiGhostRegion* ghost;
@@ -1472,9 +1470,7 @@ MidiRegionView::add_ghost (TimeAxisView& tv)
        }
 
        for (Events::iterator i = _events.begin(); i != _events.end(); ++i) {
-               if ((note = dynamic_cast<Note*>(*i)) != 0) {
-                       ghost->add_note(note);
-               }
+               ghost->add_note(*i);
        }
 
        ghost->set_height ();
@@ -1738,14 +1734,6 @@ MidiRegionView::add_note(const boost::shared_ptr<NoteType> note, bool visible)
 
                event = ev_rect;
 
-               MidiGhostRegion* gr;
-
-               for (std::vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
-                       if ((gr = dynamic_cast<MidiGhostRegion*>(*g)) != 0) {
-                               gr->add_note(ev_rect);
-                       }
-               }
-
        } else if (midi_view()->note_mode() == Percussive) {
 
                const double diamond_size = std::max(1., floor(midi_stream_view()->note_height()) - 2.);
@@ -1761,6 +1749,14 @@ MidiRegionView::add_note(const boost::shared_ptr<NoteType> note, bool visible)
        }
 
        if (event) {
+               MidiGhostRegion* gr;
+
+               for (std::vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
+                       if ((gr = dynamic_cast<MidiGhostRegion*>(*g)) != 0) {
+                               gr->add_note(event);
+                       }
+               }
+
                if (_marked_for_selection.find(note) != _marked_for_selection.end()) {
                        note_selected(event, true);
                }