public ChordMetrics(System.Drawing.Graphics graphics, ChordSymbol chord, VerticalDir voiceStemDirection, float gap, float stemStrokeWidthVBPX)
: base()
{
_top = float.MaxValue;
_right = float.MinValue;
_bottom = float.MinValue;
_left = float.MaxValue;
_drawObjects = chord.DrawObjects;
_gap = gap;
// The _objectType is written to the SVG file as a group name, but is otherwise not used.
if(chord is CautionaryOutputChordSymbol)
_objectType = "cautionary chord";
else
_objectType = "chord";
GetStaffParameters(chord); // sets _clef to the most recent clef, and _nStafflines.
// For each component, find its characterID, deltaX and deltaY re the chord's origin.
// The chord's x-origin is the centre of the outermost notehead.
// (deltaX of the outermost notehead is 0.)
// The chord's y-origin is the top line of the staff.
// (deltaY of a notehead on the top line of the staff is 0.)
if(chord.BeamBlock != null && chord.BeamBlock.Chords[0] == chord)
this.BeamBlock = chord.BeamBlock;
SetHeadsMetrics(chord, stemStrokeWidthVBPX);
if(chord.Stem.Draw) // false for cautionary chords
SetStemAndFlags(chord, _headsMetricsTopDown, stemStrokeWidthVBPX);
// if the chord is part of a beamGroup, the stem tips are all at one height here.
// These objects are created with originX and originY at 0,0 (the chord's origin).
CreateLedgerlineAndAccidentalMetrics(chord.FontHeight, chord.HeadsTopDown, _headsMetricsTopDown, stemStrokeWidthVBPX);
ChordSymbol cautionaryChordSymbol = chord as CautionaryOutputChordSymbol;
if(cautionaryChordSymbol == null)
{
cautionaryChordSymbol = chord as CautionaryInputChordSymbol;
}
if(cautionaryChordSymbol != null)
{
CreateCautionaryBracketsMetrics(cautionaryChordSymbol);
}
else
{
bool dynamicIsBelow;
bool ornamentIsBelow;
_lyricMetrics = NewLyricMetrics(chord.Voice.StemDirection, graphics, gap);
GetRelativePositions(chord.Voice.StemDirection, _lyricMetrics, out ornamentIsBelow, out dynamicIsBelow);
_ornamentMetrics = NewOrnamentMetrics(graphics, gap, ornamentIsBelow);
_dynamicMetrics = NewCLichtDynamicMetrics(gap, dynamicIsBelow);
MoveAuxilliaries(chord.Stem.Direction, gap);
}
SetExternalBoundary();
}
/// <summary>
/// returns null if there is no dynamic text in _drawObjects
/// </summary>
/// <param name="gap"></param>
/// <param name="dynamicIsBelow"></param>
/// <returns></returns>
private DynamicMetrics NewCLichtDynamicMetrics(float gap, bool dynamicIsBelow)
{
List<string> clichtDynamics = new List<string>() { "Ø", "∏", "π", "p", "P", "F", "f", "ƒ", "Ï", "Î" };
Text dynamicText = null;
foreach(DrawObject drawObject in _drawObjects)
{
Text text = drawObject as Text;
if(text != null)
{
Debug.Assert(text.TextInfo != null);
Debug.Assert(!String.IsNullOrEmpty(text.TextInfo.Text));
Debug.Assert(!String.IsNullOrEmpty(text.TextInfo.FontFamily));
if(text.TextInfo.FontFamily == "CLicht" && clichtDynamics.Contains(text.TextInfo.Text))
{
dynamicText = text;
break;
}
}
}
_dynamicMetrics = null;
if(dynamicText != null)
{
dynamicText.Metrics = new DynamicMetrics(gap, dynamicText.TextInfo, dynamicIsBelow);
_dynamicMetrics = (DynamicMetrics)dynamicText.Metrics;
}
return (DynamicMetrics)_dynamicMetrics;
}
