anonymous_namespace{NoteTrackView.cpp} Namespace Reference

Functions
const char *	IsShape (Alg_note_ptr note)
double	LookupRealAttribute (Alg_note_ptr note, Alg_attribute attr, double def)
long	LookupIntAttribute (Alg_note_ptr note, Alg_attribute attr, long def)
bool	LookupLogicalAttribute (Alg_note_ptr note, Alg_attribute attr, bool def)
const char *	LookupStringAttribute (Alg_note_ptr note, Alg_attribute attr, const char *def)
const char *	LookupAtomAttribute (Alg_note_ptr note, Alg_attribute attr, char *def)
void	DrawNoteBackground (TrackPanelDrawingContext &context, const NoteTrack *track, const wxRect &rect, const wxRect &sel, const wxBrush &wb, const wxPen &wp, const wxBrush &bb, const wxPen &bp, const wxPen &mp)
void	DrawNoteTrack (TrackPanelDrawingContext &context, const NoteTrack *track, const wxRect &rect, bool muted, bool selected)

Function Documentation

DrawNoteBackground()

void anonymous_namespace{NoteTrackView.cpp}::DrawNoteBackground	(	TrackPanelDrawingContext &	context,
		const NoteTrack *	track,
		const wxRect &	rect,
		const wxRect &	sel,
		const wxBrush &	wb,
		const wxPen &	wp,
		const wxBrush &	bb,
		const wxPen &	bp,
		const wxPen &	mp
	)

Definition at line 261 of file NoteTrackView.cpp.

{
   auto &dc = context.dc;
   const auto artist = TrackArtist::Get( context );
   const auto &zoomInfo = *artist->pZoomInfo;
 
   dc.SetBrush(wb);
   dc.SetPen(wp);
#ifndef EXPERIMENTAL_NOTETRACK_OVERLAY
   dc.DrawRectangle(sel); // fill rectangle with white keys background
#endif
 
   int left = TIME_TO_X(track->GetOffset());
   if (left < sel.x) left = sel.x; // clip on left
 
   int right = TIME_TO_X(track->GetOffset() + track->GetSeq().get_real_dur());
   if (right > sel.x + sel.width) right = sel.x + sel.width; // clip on right
 
   // need overlap between MIDI data and the background region
   if (left >= right) return;
 
   NoteTrackDisplayData data{ track, rect };
   dc.SetBrush(bb);
   int octave = 0;
   // obottom is the window coordinate of octave divider line
   int obottom = data.GetOctaveBottom(octave);
   // eOffset is for the line between E and F; there's another line
   // between B and C, hence the offset of 2 for two line thicknesses
   int eOffset = data.GetPitchHeight(5) + 2;
   while (obottom > rect.y + data.GetNoteMargin() + 3) {
      // draw a black line separating octaves if this octave bottom is visible
      if (obottom < rect.y + rect.height - data.GetNoteMargin()) {
         dc.SetPen(*wxBLACK_PEN);
         // obottom - 1 because obottom is at the bottom of the line
         AColor::Line(dc, left, obottom - 1, right, obottom - 1);
      }
      dc.SetPen(bp);
      // draw a black-key stripe colored line separating E and F if visible
      if (obottom - eOffset > rect.y && obottom - eOffset < rect.y + rect.height) {
         AColor::Line(dc, left, obottom - eOffset,
                          right, obottom - eOffset);
      }
 
      // draw visible black key lines
      wxRect br;
      br.x = left;
      br.width = right - left;
      br.height = data.GetPitchHeight(1);
      for (int black = 0; black < 5; black++) {
         br.y = obottom - data.GetBlackPos(black);
         if (br.y > rect.y && br.y + br.height < rect.y + rect.height) {
            dc.DrawRectangle(br); // draw each black key background stripe
         }
      }
      obottom = data.GetOctaveBottom(++octave);
   }
 
   // draw bar lines
   Alg_seq_ptr seq = &track->GetSeq();
   // We assume that sliding a NoteTrack around slides the barlines
   // along with the notes. This means that when we write out a track
   // as Allegro or MIDI without the offset, we'll need to insert an
   // integer number of measures of silence, using tempo change to
   // match the duration to the offset.
   // Iterate over all time signatures to generate beat positions of
   // bar lines, map the beats to times, map the times to position,
   // and draw the bar lines that fall within the region of interest (sel)
   // seq->convert_to_beats();
   dc.SetPen(mp);
   Alg_time_sigs &sigs = seq->time_sig;
   int i = 0; // index into ts[]
   double next_bar_beat = 0.0;
   double beats_per_measure = 4.0;
   while (true) {
      if (i < sigs.length() && sigs[i].beat < next_bar_beat + ALG_EPS) {
         // NEW time signature takes effect
         Alg_time_sig &sig = sigs[i++];
         next_bar_beat = sig.beat;
         beats_per_measure = (sig.num * 4.0) / sig.den;
      }
      // map beat to time
      double t = seq->get_time_map()->beat_to_time(next_bar_beat);
      // map time to position
      int xx = TIME_TO_X(t + track->GetOffset());
      if (xx > right) break;
      AColor::Line(dc, xx, sel.y, xx, sel.y + sel.height);
      next_bar_beat += beats_per_measure;
   }
}

References TrackPanelDrawingContext::dc, TrackArtist::Get(), NoteTrack::GetOffset(), NoteTrack::GetSeq(), AColor::Line(), and TIME_TO_X.

Referenced by DrawNoteTrack().

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DrawNoteTrack()

void anonymous_namespace{NoteTrackView.cpp}::DrawNoteTrack	(	TrackPanelDrawingContext &	context,
		const NoteTrack *	track,
		const wxRect &	rect,
		bool	muted,
		bool	selected
	)

Definition at line 362 of file NoteTrackView.cpp.

{
   auto &dc = context.dc;
   const auto artist = TrackArtist::Get( context );
   const auto &selectedRegion = *artist->pSelectedRegion;
   const auto &zoomInfo = *artist->pZoomInfo;
 
   SonifyBeginNoteBackground();
   double sel0 = selectedRegion.t0();
   double sel1 = selectedRegion.t1();
 
   const double h = X_TO_TIME(rect.x);
   const double h1 = X_TO_TIME(rect.x + rect.width);
 
   Alg_seq_ptr seq = &track->GetSeq();
 
   if (!track->GetSelected())
      sel0 = sel1 = 0.0;
 
   NoteTrackDisplayData data{ track, rect };
 
   // reserve 1/2 note height at top and bottom of track for
   // out-of-bounds notes
   int numPitches = (rect.height) / data.GetPitchHeight(1);
   if (numPitches < 0) numPitches = 0; // cannot be negative
 
   // Background comes in 4 colors, that are now themed.
   //   214, 214,214 -- unselected white keys
   //   192,192,192 -- black keys
   //   170,170,170 -- bar lines
   //   165,165,190 -- selected white keys
 
   wxPen blackStripePen;
   blackStripePen.SetColour(theTheme.Colour( clrMidiZebra));
   wxBrush blackStripeBrush;
   blackStripeBrush.SetColour(theTheme.Colour( clrMidiZebra));
   wxPen barLinePen;
   barLinePen.SetColour(theTheme.Colour( clrMidiLines));
 
   const auto &blankBrush = artist->blankBrush;
   const auto &blankPen = artist->blankPen;
   DrawNoteBackground(context, track, rect, rect, blankBrush, blankPen,
                      blackStripeBrush, blackStripePen, barLinePen);
 
   dc.SetClippingRegion(rect);
 
   // Draw the selection background
   // First, the white keys, as a single rectangle
   // In other words fill the selection area with selectedWhiteKeyPen
   wxRect selBG;
   selBG.y = rect.y;
   selBG.height = rect.height;
   selBG.x = TIME_TO_X(sel0);
   selBG.width = TIME_TO_X(sel1) - TIME_TO_X(sel0);
 
   wxPen selectedWhiteKeyPen;
   selectedWhiteKeyPen.SetColour(165, 165, 190);
   dc.SetPen(selectedWhiteKeyPen);
 
   wxBrush selectedWhiteKeyBrush;
   selectedWhiteKeyBrush.SetColour(theTheme.Colour( clrSelected ));
   // Then, the black keys and octave stripes, as smaller rectangles
   wxPen selectedBlackKeyPen;
   selectedBlackKeyPen.SetColour(theTheme.Colour( clrMidiZebra));
   wxBrush selectedBlackKeyBrush;
   selectedBlackKeyBrush.SetColour(theTheme.Colour( clrMidiZebra));
   wxPen selectedBarLinePen;
   selectedBarLinePen.SetColour(theTheme.Colour( clrMidiLines));
 
   DrawNoteBackground(context, track, rect, selBG,
                      selectedWhiteKeyBrush, selectedWhiteKeyPen,
                      selectedBlackKeyBrush, selectedBlackKeyPen,
                      selectedBarLinePen);
   SonifyEndNoteBackground();
   SonifyBeginNoteForeground();
   int marg = data.GetNoteMargin();
 
   // NOTE: it would be better to put this in some global initialization
   // function rather than do lookups every time.
   Alg_attribute line = symbol_table.insert_string("line");
   Alg_attribute rectangle = symbol_table.insert_string("rectangle");
   Alg_attribute triangle = symbol_table.insert_string("triangle");
   Alg_attribute polygon = symbol_table.insert_string("polygon");
   Alg_attribute oval = symbol_table.insert_string("oval");
   Alg_attribute text = symbol_table.insert_string("text");
   Alg_attribute texts = symbol_table.insert_string("texts");
   Alg_attribute x1r = symbol_table.insert_string("x1r");
   Alg_attribute x2r = symbol_table.insert_string("x2r");
   Alg_attribute y1r = symbol_table.insert_string("y1r");
   Alg_attribute y2r = symbol_table.insert_string("y2r");
   Alg_attribute linecolori = symbol_table.insert_string("linecolori");
   Alg_attribute fillcolori = symbol_table.insert_string("fillcolori");
   Alg_attribute linethicki = symbol_table.insert_string("linethicki");
   Alg_attribute filll = symbol_table.insert_string("filll");
   Alg_attribute fonta = symbol_table.insert_string("fonta");
   Alg_attribute roman = symbol_table.insert_string("roman");
   Alg_attribute swiss = symbol_table.insert_string("swiss");
   Alg_attribute modern = symbol_table.insert_string("modern");
   Alg_attribute weighta = symbol_table.insert_string("weighta");
   Alg_attribute bold = symbol_table.insert_string("bold");
   Alg_attribute sizei = symbol_table.insert_string("sizei");
   Alg_attribute justifys = symbol_table.insert_string("justifys");
 
   // We want to draw in seconds, so we need to convert to seconds
   seq->convert_to_seconds();
 
   Alg_iterator iterator(seq, false);
   iterator.begin();
   //for every event
   Alg_event_ptr evt;
   while (0 != (evt = iterator.next())) {
      if (evt->get_type() == 'n') { // 'n' means a note
         Alg_note_ptr note = (Alg_note_ptr) evt;
         // if the note's channel is visible
         if (track->IsVisibleChan(evt->chan)) {
            double xx = note->time + track->GetOffset();
            double x1 = xx + note->dur;
            if (xx < h1 && x1 > h) { // omit if outside box
               const char *shape = NULL;
               if (note->loud > 0.0 || 0 == (shape = IsShape(note))) {
                  wxRect nr; // "note rectangle"
                  nr.y = data.PitchToY(note->pitch);
                  nr.height = data.GetPitchHeight(1);
 
                  nr.x = TIME_TO_X(xx);
                  nr.width = TIME_TO_X(x1) - nr.x;
 
                  if (nr.x + nr.width >= rect.x && nr.x < rect.x + rect.width) {
                     if (nr.x < rect.x) {
                        nr.width -= (rect.x - nr.x);
                        nr.x = rect.x;
                     }
                     if (nr.x + nr.width > rect.x + rect.width) // clip on right
                        nr.width = rect.x + rect.width - nr.x;
 
                     if (nr.y + nr.height < rect.y + marg + 3) {
                         // too high for window
                         nr.y = rect.y;
                         nr.height = marg;
                         dc.SetBrush(*wxBLACK_BRUSH);
                         dc.SetPen(*wxBLACK_PEN);
                         dc.DrawRectangle(nr);
                     } else if (nr.y >= rect.y + rect.height - marg - 1) {
                         // too low for window
                         nr.y = rect.y + rect.height - marg;
                         nr.height = marg;
                         dc.SetBrush(*wxBLACK_BRUSH);
                         dc.SetPen(*wxBLACK_PEN);
                         dc.DrawRectangle(nr);
                     } else {
                        if (nr.y + nr.height > rect.y + rect.height - marg)
                           nr.height = rect.y + rect.height - nr.y;
                        if (nr.y < rect.y + marg) {
                           int offset = rect.y + marg - nr.y;
                           nr.height -= offset;
                           nr.y += offset;
                        }
                        // nr.y += rect.y;
                        if (muted)
                           AColor::LightMIDIChannel(&dc, note->chan + 1);
                        else
                           AColor::MIDIChannel(&dc, note->chan + 1);
                        dc.DrawRectangle(nr);
                        if (data.GetPitchHeight(1) > 2) {
                           AColor::LightMIDIChannel(&dc, note->chan + 1);
                           AColor::Line(dc, nr.x, nr.y, nr.x + nr.width-2, nr.y);
                           AColor::Line(dc, nr.x, nr.y, nr.x, nr.y + nr.height-2);
                           AColor::DarkMIDIChannel(&dc, note->chan + 1);
                           AColor::Line(dc, nr.x+nr.width-1, nr.y,
                                 nr.x+nr.width-1, nr.y+nr.height-1);
                           AColor::Line(dc, nr.x, nr.y+nr.height-1,
                                 nr.x+nr.width-1, nr.y+nr.height-1);
                        }
//                        }
                     }
                  }
               } else if (shape) {
                  // draw a shape according to attributes
                  // add 0.5 to pitch because pitches are plotted with
                  // height = PITCH_HEIGHT; thus, the center is raised
                  // by PITCH_HEIGHT * 0.5
                  int yy = data.PitchToY(note->pitch);
                  long linecolor = LookupIntAttribute(note, linecolori, -1);
                  long linethick = LookupIntAttribute(note, linethicki, 1);
                  long fillcolor = -1;
                  long fillflag = 0;
 
                  // set default color to be that of channel
                  AColor::MIDIChannel(&dc, note->chan+1);
                  if (shape != text) {
                     if (linecolor != -1)
                        dc.SetPen(wxPen(wxColour(RED(linecolor),
                              GREEN(linecolor),
                              BLUE(linecolor)),
                              linethick, wxPENSTYLE_SOLID));
                  }
                  if (shape != line) {
                     fillcolor = LookupIntAttribute(note, fillcolori, -1);
                     fillflag = LookupLogicalAttribute(note, filll, false);
 
                     if (fillcolor != -1)
                        dc.SetBrush(wxBrush(wxColour(RED(fillcolor),
                              GREEN(fillcolor),
                              BLUE(fillcolor)),
                              wxBRUSHSTYLE_SOLID));
                     if (!fillflag) dc.SetBrush(*wxTRANSPARENT_BRUSH);
                  }
                  int y1 = data.PitchToY(LookupRealAttribute(note, y1r, note->pitch));
                  if (shape == line) {
                     // extreme zooms caues problems under windows, so we have to do some
                     // clipping before calling display routine
                     if (xx < h) { // clip line on left
                        yy = (int)((yy + (y1 - yy) * (h - xx) / (x1 - xx)) + 0.5);
                        xx = h;
                     }
                     if (x1 > h1) { // clip line on right
                        y1 = (int)((yy + (y1 - yy) * (h1 - xx) / (x1 - xx)) + 0.5);
                        x1 = h1;
                     }
                     AColor::Line(dc, TIME_TO_X(xx), yy, TIME_TO_X(x1), y1);
                  } else if (shape == rectangle) {
                     if (xx < h) { // clip on left, leave 10 pixels to spare
                        xx = X_TO_TIME(rect.x - (linethick + 10));
                     }
                     if (x1 > h1) { // clip on right, leave 10 pixels to spare
                        xx = X_TO_TIME(rect.x + rect.width + linethick + 10);
                     }
                     dc.DrawRectangle(TIME_TO_X(xx), yy, TIME_TO_X(x1) - TIME_TO_X(xx), y1 - yy + 1);
                  } else if (shape == triangle) {
                     wxPoint points[3];
                     points[0].x = TIME_TO_X(xx);
                     CLIP(points[0].x);
                     points[0].y = yy;
                     points[1].x = TIME_TO_X(LookupRealAttribute(note, x1r, note->pitch));
                     CLIP(points[1].x);
                     points[1].y = y1;
                     points[2].x = TIME_TO_X(LookupRealAttribute(note, x2r, xx));
                     CLIP(points[2].x);
                     points[2].y = data.PitchToY(LookupRealAttribute(note, y2r, note->pitch));
                     dc.DrawPolygon(3, points);
                  } else if (shape == polygon) {
                     wxPoint points[20]; // upper bound of 20 sides
                     points[0].x = TIME_TO_X(xx);
                     CLIP(points[0].x);
                     points[0].y = yy;
                     points[1].x = TIME_TO_X(LookupRealAttribute(note, x1r, xx));
                     CLIP(points[1].x);
                     points[1].y = y1;
                     points[2].x = TIME_TO_X(LookupRealAttribute(note, x2r, xx));
                     CLIP(points[2].x);
                     points[2].y = data.PitchToY(LookupRealAttribute(note, y2r, note->pitch));
                     int n = 3;
                     while (n < 20) {
                        char name[8];
                        sprintf(name, "x%dr", n);
                        Alg_attribute attr = symbol_table.insert_string(name);
                        double xn = LookupRealAttribute(note, attr, -1000000.0);
                        if (xn == -1000000.0) break;
                        points[n].x = TIME_TO_X(xn);
                        CLIP(points[n].x);
                        sprintf(name, "y%dr", n - 1);
                        attr = symbol_table.insert_string(name);
                        double yn = LookupRealAttribute(note, attr, -1000000.0);
                        if (yn == -1000000.0) break;
                        points[n].y = data.PitchToY(yn);
                        n++;
                     }
                     dc.DrawPolygon(n, points);
                  } else if (shape == oval) {
                     int ix = TIME_TO_X(xx);
                     CLIP(ix);
                     int ix1 = TIME_TO_X(x1) - TIME_TO_X(xx);
                     if (ix1 > CLIP_MAX * 2) ix1 = CLIP_MAX * 2; // CLIP a width
                     dc.DrawEllipse(ix, yy, ix1, y1 - yy + 1);
                  } else if (shape == text) {
                     if (linecolor != -1)
                        dc.SetTextForeground(wxColour(RED(linecolor),
                              GREEN(linecolor),
                              BLUE(linecolor)));
                     // if no color specified, copy color from brush
                     else dc.SetTextForeground(dc.GetBrush().GetColour());
 
                     // This seems to have no effect, so I commented it out. -RBD
                     //if (fillcolor != -1)
                     //  dc.SetTextBackground(wxColour(RED(fillcolor),
                     //                                GREEN(fillcolor),
                     //                                BLUE(fillcolor)));
                     //else dc.SetTextBackground(dc.GetPen().GetColour());
 
                     const char *font = LookupAtomAttribute(note, fonta, NULL);
                     const char *weight = LookupAtomAttribute(note, weighta, NULL);
                     int size = LookupIntAttribute(note, sizei, 8);
                     const char *justify = LookupStringAttribute(note, justifys, "ld");
                     wxFont wxfont;
                     wxfont.SetFamily(font == roman ? wxFONTFAMILY_ROMAN :
                        (font == swiss ? wxFONTFAMILY_SWISS :
                           (font == modern ? wxFONTFAMILY_MODERN : wxFONTFAMILY_DEFAULT)));
                     wxfont.SetStyle(wxFONTSTYLE_NORMAL);
                     wxfont.SetWeight(weight == bold ? wxFONTWEIGHT_BOLD : wxFONTWEIGHT_NORMAL);
                     wxfont.SetPointSize(size);
                     dc.SetFont(wxfont);
 
                     // now do justification
                     const char *s = LookupStringAttribute(note, texts, "");
                     wxCoord textWidth, textHeight;
                     dc.GetTextExtent(wxString::FromUTF8(s), &textWidth, &textHeight);
                     long hoffset = 0;
                     long voffset = -textHeight; // default should be baseline of text
 
                     if (strlen(justify) != 2) justify = "ld";
 
                     if (justify[0] == 'c') hoffset = -(textWidth/2);
                     else if (justify[0] == 'r') hoffset = -textWidth;
 
                     if (justify[1] == 't') voffset = 0;
                     else if (justify[1] == 'c') voffset = -(textHeight/2);
                     else if (justify[1] == 'b') voffset = -textHeight;
                     if (fillflag) {
                        // It should be possible to do this with background color,
                        // but maybe because of the transfer mode, no background is
                        // drawn. To fix this, just draw a rectangle:
                        dc.SetPen(wxPen(wxColour(RED(fillcolor),
                              GREEN(fillcolor),
                              BLUE(fillcolor)),
                              1, wxPENSTYLE_SOLID));
                        dc.DrawRectangle(TIME_TO_X(xx) + hoffset, yy + voffset,
                              textWidth, textHeight);
                     }
                     dc.DrawText(LAT1CTOWX(s), TIME_TO_X(xx) + hoffset, yy + voffset);
                  }
               }
            }
         }
      }
   }
   iterator.end();
   // draw black line between top/bottom margins and the track
   dc.SetPen(*wxBLACK_PEN);
   AColor::Line(dc, rect.x, rect.y + marg, rect.x + rect.width, rect.y + marg);
   AColor::Line(dc, rect.x, rect.y + rect.height - marg - 1, // subtract 1 to get
                rect.x + rect.width, rect.y + rect.height - marg - 1); // top of line
 
   if (h == 0.0 && track->GetOffset() < 0.0) {
      TrackArt::DrawNegativeOffsetTrackArrows( context, rect );
   }
 
   //draw clip edges
   {
      int left = TIME_TO_X(track->GetOffset());
      int right = TIME_TO_X(track->GetOffset() + track->GetSeq().get_real_dur());
 
      TrackArt::DrawClipEdges(dc, wxRect(left, rect.GetTop(), right - left + 1, rect.GetHeight()), selected);
   }
 
   dc.DestroyClippingRegion();
   SonifyEndNoteForeground();
}

References BLUE, CLIP, CLIP_MAX, ThemeBase::Colour(), AColor::DarkMIDIChannel(), TrackPanelDrawingContext::dc, TrackArt::DrawClipEdges(), TrackArt::DrawNegativeOffsetTrackArrows(), DrawNoteBackground(), TrackArtist::Get(), NoteTrack::GetOffset(), Track::GetSelected(), NoteTrack::GetSeq(), GREEN, IsShape(), NoteTrack::IsVisibleChan(), LAT1CTOWX, AColor::LightMIDIChannel(), AColor::Line(), LookupAtomAttribute(), LookupIntAttribute(), LookupLogicalAttribute(), LookupRealAttribute(), LookupStringAttribute(), AColor::MIDIChannel(), name, rectangle, RED, size, SonifyBeginNoteBackground, SonifyBeginNoteForeground, SonifyEndNoteBackground, SonifyEndNoteForeground, theTheme, TIME_TO_X, triangle, and X_TO_TIME.

Referenced by NoteTrackView::Draw().

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IsShape()

const char * anonymous_namespace{NoteTrackView.cpp}::IsShape

(

Alg_note_ptr

note

)

Definition at line 143 of file NoteTrackView.cpp.

{
  Alg_parameters_ptr parameters = note->parameters;
  while (parameters) {
    if (strcmp(parameters->parm.attr_name(), "shapea") == 0) {
      return parameters->parm.a;
    }
    parameters = parameters->next;
  }
  return NULL;
}

Referenced by DrawNoteTrack().

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LookupAtomAttribute()

const char * anonymous_namespace{NoteTrackView.cpp}::LookupAtomAttribute	(	Alg_note_ptr	note,
		Alg_attribute	attr,
		char *	def
	)

Definition at line 212 of file NoteTrackView.cpp.

{
  Alg_parameters_ptr parameters = note->parameters;
  while (parameters) {
    if (parameters->parm.attr_name() == attr + 1 &&
        parameters->parm.attr_type() == 'a') {
      return parameters->parm.s;
    }
    parameters = parameters->next;
  }
  return def;
}

Referenced by DrawNoteTrack().

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LookupIntAttribute()

long anonymous_namespace{NoteTrackView.cpp}::LookupIntAttribute	(	Alg_note_ptr	note,
		Alg_attribute	attr,
		long	def
	)

Definition at line 170 of file NoteTrackView.cpp.

{
  Alg_parameters_ptr parameters = note->parameters;
  while (parameters) {
    if (parameters->parm.attr_name() == attr + 1 &&
        parameters->parm.attr_type() == 'i') {
      return parameters->parm.i;
    }
    parameters = parameters->next;
  }
  return def;
}

Referenced by DrawNoteTrack().

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LookupLogicalAttribute()

bool anonymous_namespace{NoteTrackView.cpp}::LookupLogicalAttribute	(	Alg_note_ptr	note,
		Alg_attribute	attr,
		bool	def
	)

Definition at line 184 of file NoteTrackView.cpp.

{
  Alg_parameters_ptr parameters = note->parameters;
  while (parameters) {
    if (parameters->parm.attr_name() == attr + 1 &&
        parameters->parm.attr_type() == 'l') {
      return parameters->parm.l;
    }
    parameters = parameters->next;
  }
  return def;
}

Referenced by DrawNoteTrack().

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LookupRealAttribute()

double anonymous_namespace{NoteTrackView.cpp}::LookupRealAttribute	(	Alg_note_ptr	note,
		Alg_attribute	attr,
		double	def
	)

Definition at line 156 of file NoteTrackView.cpp.

{
  Alg_parameters_ptr parameters = note->parameters;
  while (parameters) {
    if (parameters->parm.attr_name() == attr + 1 &&
        parameters->parm.attr_type() == 'r') {
      return parameters->parm.r;
    }
    parameters = parameters->next;
  }
  return def;
}

Referenced by DrawNoteTrack().

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LookupStringAttribute()

const char * anonymous_namespace{NoteTrackView.cpp}::LookupStringAttribute	(	Alg_note_ptr	note,
		Alg_attribute	attr,
		const char *	def
	)

Definition at line 198 of file NoteTrackView.cpp.

{
  Alg_parameters_ptr parameters = note->parameters;
  while (parameters) {
    if (parameters->parm.attr_name() == attr + 1 &&
        parameters->parm.attr_type() == 's') {
      return parameters->parm.s;
    }
    parameters = parameters->next;
  }
  return def;
}

Referenced by DrawNoteTrack().

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