76 lines
1.7 KiB
C++
76 lines
1.7 KiB
C++
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#include "canvas/container.h"
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#include "canvas/debug.h"
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#include "canvas/polygon.h"
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#include "ghost_event.h"
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#include "hit.h"
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#include "note.h"
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#include "note_base.h"
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GhostEvent::GhostEvent (NoteBase* e, ArdourCanvas::Container* g, ArdourCanvas::Item* i)
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: event (e)
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, item (i)
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, is_hit (false)
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{
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velocity_while_editing = event->note()->velocity();
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if (dynamic_cast<Hit*>(e)) {
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is_hit = true;
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}
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}
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GhostEvent::GhostEvent (NoteBase* e, ArdourCanvas::Container* g)
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: event (e)
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{
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if (dynamic_cast<Note*>(e)) {
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item = new ArdourCanvas::Rectangle (g, ArdourCanvas::Rect(e->x0(), e->y0(), e->x1(), e->y1()));
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is_hit = false;
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} else {
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Hit* hit = dynamic_cast<Hit*>(e);
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if (!hit) {
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return;
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}
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ArdourCanvas::Polygon* poly = new ArdourCanvas::Polygon(g);
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poly->set(Hit::points(e->y1() - e->y0()));
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poly->set_position(hit->position());
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item = poly;
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is_hit = true;
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}
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velocity_while_editing = event->note()->velocity();
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CANVAS_DEBUG_NAME (item, "ghost note item");
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}
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GhostEvent::~GhostEvent ()
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{
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/* event is not ours to delete */
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delete item;
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}
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/** Given a note in our parent region (ie the actual MidiRegionView), find our
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* representation of it.
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* @return Our Event, or 0 if not found.
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*/
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GhostEvent *
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GhostEvent::find (std::shared_ptr<GhostEvent::NoteType> parent, EventList& events, EventList::iterator& opti)
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{
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/* we are using _optimization_iterator to speed up the common case where a caller
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is going through our notes in order.
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*/
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if (opti != events.end()) {
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++opti;
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if (opti != events.end() && opti->first == parent) {
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return opti->second;
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}
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}
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opti = events.find (parent);
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if (opti != events.end()) {
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return opti->second;
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}
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return nullptr;
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}
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