/// <summary>
/// Reads an zTXt Chunk from file. The current position must be set
/// to the start of the Chunk Data. Such a Chunk contains compressed
/// keywords.
/// </summary>
/// <param name="data_length">
/// A <see cref="System.Int32"/> with the length of the Chunk Data.
/// </param>
/// <remarks>
/// The Chunk may also contain compressed Exif data which is written
/// by other tools. But, since the PNG specification does not support
/// Exif data, we ignore it here.
/// </remarks>
private void ReadzTXtChunk(int data_length)
{
long position = Tell;
// zTXt Chunk
//
// N Bytes Keyword
// 1 Byte Null Separator
// 1 Byte Compression Method
// N Bytes Txt
//
// Followed by 4 Bytes CRC data
ByteVector data = ReadChunkData(data_length);
CheckCRC(zTXt_CHUNK_TYPE, data, ReadCRC());
int terminator_index;
string keyword = ReadKeyword(data, 0, out terminator_index);
if (terminator_index + 1 >= data_length)
{
throw new CorruptFileException("Compression Method byte expected");
}
byte compression_method = data [terminator_index + 1];
ByteVector plain_data = Decompress(compression_method, data.Mid(terminator_index + 2));
// ignore unknown compression methods
if (plain_data == null)
{
return;
}
string value = plain_data.ToString();
RawProfile rawProfile = null;
if (keyword.StartsWith("Raw profile type"))
{
rawProfile = ProcessRawProfile(value);
value = rawProfile.ToString();
}
// handle XMP, which has a fixed header
if (keyword == "xmp" || rawProfile != null && string.Compare(rawProfile.Name, "xmp", StringComparison.InvariantCultureIgnoreCase) == 0)
{
ImageTag.AddTag(new XmpTag(string.Join("", rawProfile.Data.ToArray()), this));
}
else
{
PngTag png_tag = GetTag(TagTypes.Png, true) as PngTag;
if (png_tag.GetKeyword(keyword) == null)
{
png_tag.SetKeyword(keyword, value);
}
}
AddMetadataBlock(position - 8, data_length + 8 + 4);
}
private static RawProfile ProcessRawProfile(string value)
{
// ImageMagick formats 'raw profiles' as
// '\n<name>\n<length>(%8lu)\n<hex payload>\n'.
var parts = value.Split(new[] { '\n' });
if (parts.Length < 4)
{
return(null);
}
var profile = new RawProfile();
profile.Name = parts [1];
profile.LengthText = parts [2];
for (int i = 3; i < parts.Length; i++)
{
var buffer = new Byte[parts [i].Length];
int iBuffer = 0;
for (int j = 0; j < parts [i].Length - 1; j += 2)
{
var subString = parts [i].Substring(j, 2);
buffer [iBuffer++] = Convert.ToByte(subString, 16);
}
// raw profile data often has many trailing nulls in most lines, which must be removed
// for XML processing as XMP data. Are there other raw profiles that need them?
profile.Data.Add(Encoding.UTF8.GetString(buffer).Trim(new char[] { '\0' }));
}
return(profile);
}
private static RawProfile CreateDefaultData()
{
var profile = new RawProfile(false);
var ini = new RawInitPoint2D(profile);
ini.X.SetValue(true, 0);
ini.Y.SetValue(true, 0);
var line1 = new RawLine2D(profile);
line1.DeltaY.SetValue(true, 10);
var line2 = new RawLine2D(profile);
line2.DeltaX.SetValue(true, -10);
var line3 = new RawLine2D(profile);
line3.Y.SetValue(true, 0);
var line4 = new RawLine2D(profile);
line4.X.SetValue(true, 0);
profile.Add(ini);
profile.Add(line1);
profile.Add(line2);
profile.Add(line3);
profile.Add(line4);
return(profile);
}
public ProfileEditorViewModel(RawProfile profile, EditStageTreeViewItem workViewModel, AxisSystem axisSystem)
: base("Input Profile", workViewModel)
{
_rawProfile = profile;
CurrentAxisSystem = axisSystem;
DictionaryKey = CreateKeyboardShortcuts(CurrentAxisSystem);
MoveListViewModels = new ObservableCollection <RawItemViewModel>();
var moveList = profile.GetMoveList();
foreach (var rawEntity2D in moveList)
{
//MoveListViewModels.Add(RawItemViewModel.GetViewModel(rawEntity2D, axisSystem));
MoveListViewModels.Add(GetViewModel(rawEntity2D));
}
SelectedMoveViewModel = MoveListViewModels.LastOrDefault();
UpdatePreview();
UpdateMoveListOrientation();
}
public Profile2D GetClosedProfile()
{
var p = new RawProfile(false);
var centerPoint = SquareShapeHelper.GetCenterPoint(StartPoint, PuntoStartX, PuntoStartY, Larghezza, Altezza);
var ini = new RawInitPoint2D(p);
ini.X.SetValue(true, centerPoint.X + Larghezza / 2);
ini.Y.SetValue(true, centerPoint.Y + Altezza / 2);
p.Add(ini);
var p1 = new RawLine2D(p);
p1.X.SetValue(true, centerPoint.X + Larghezza / 2);
p1.Y.SetValue(true, centerPoint.Y - Altezza / 2);
p.Add(p1);
var p2 = new RawLine2D(p);
p2.X.SetValue(true, centerPoint.X - Larghezza / 2);
p2.Y.SetValue(true, centerPoint.Y - Altezza / 2);
p.Add(p2);
var p3 = new RawLine2D(p);
p3.X.SetValue(true, centerPoint.X - Larghezza / 2);
p3.Y.SetValue(true, centerPoint.Y + Altezza / 2);
p.Add(p3);
var p4 = new RawLine2D(p);
p4.X.SetValue(true, centerPoint.X + Larghezza / 2);
p4.Y.SetValue(true, centerPoint.Y + Altezza / 2);
p.Add(p4);
if (Chamfer > 0 && ChamferAbilited)
{
p1.Chamfer.SetValue(true, Chamfer);
p2.Chamfer.SetValue(true, Chamfer);
p3.Chamfer.SetValue(true, Chamfer);
p4.Chamfer.SetValue(true, Chamfer);
}
else if (Chamfer > 0 && !ChamferAbilited)
{
p1.EndRadius.SetValue(true, Chamfer);
p2.EndRadius.SetValue(true, Chamfer);
p3.EndRadius.SetValue(true, Chamfer);
p4.EndRadius.SetValue(true, Chamfer);
}
var rslt = p.GetProfileResult(true);
rslt.SetPlotStyle();
return(rslt);
}
private void AddDummyProfile(TipoTornitura tipoTornitura)
{
switch (tipoTornitura)
{
case TipoTornitura.Esterna:
{
var profile = new RawProfile(true);
var ini = new RawInitPoint2D(profile);
ini.X.SetValue(true, 0);
ini.Y.SetValue(true, 25);
var line1 = new RawLine2D(profile);
line1.DeltaX.SetValue(true, -10);
var line2 = new RawLine2D(profile);
line2.DeltaY.SetValue(true, 10);
line2.DeltaX.SetValue(true, -10);
var line3 = new RawLine2D(profile);
line3.DeltaY.SetValue(true, 10);
profile.Add(ini);
profile.Add(line1);
profile.Add(line2);
profile.Add(line3);
Profile = profile;
} break;
case TipoTornitura.Interna:
{
var profile = new RawProfile(true);
var ini = new RawInitPoint2D(profile);
ini.X.SetValue(true, 0);
ini.Y.SetValue(true, 70);
var line1 = new RawLine2D(profile);
line1.DeltaX.SetValue(true, -10);
var line2 = new RawLine2D(profile);
line2.DeltaY.SetValue(true, -10);
line2.DeltaX.SetValue(true, -10);
var line3 = new RawLine2D(profile);
line3.DeltaY.SetValue(true, -10);
profile.Add(ini);
profile.Add(line1);
profile.Add(line2);
profile.Add(line3);
Profile = profile;
} break;
}
}
static DummyProfileEditorViewModel()
{
MoveListViewModels = new List <RawEntity2D>();
var profileSolver = new RawProfile(false);
var ini = new RawInitPoint2D(profileSolver);
ini.X.SetValue(true, 0);
ini.Y.SetValue(true, 0);
var line1 = new RawLine2D(profileSolver);
line1.DeltaY.SetValue(true, 10);
var line2 = new RawLine2D(profileSolver);
line2.DeltaX.SetValue(true, -10);
MoveListViewModels.Add(ini);
MoveListViewModels.Add(line1);
MoveListViewModels.Add(line2);
SelectedMove = MoveListViewModels.LastOrDefault();
// se cambio SelectedMove aggiorno currentMove
CurrentMovement = new RawLineViewModel(line2, ProfileEditorViewModel.AxisSystem.Xy);
//foreach (var rawEntity2D in MoveListViewModels)
// profileSolver.Add(rawEntity2D);
//var profileSolved = profileSolver.GetProfileResult();
//var listEntity = new List<IEntity2D>();
//foreach (var entity2D in profileSolved.Source)
// listEntity.Add(entity2D);
//Preview = new ObservableCollection<IEntity2D>(listEntity);
}
public Tornitura(TipoTornitura tipoTornitura)
: base()
{
_tipoTornitura = tipoTornitura;
Profile = new RawProfile(true);
/*
* per evitare danni inserisco punto iniziale qui,
* anche se e meglio che venga creato dentro ctorù */
var ini = new RawInitPoint2D(Profile);
Profile.Add(ini);
ini.X.SetValue(true, 0);
// AddDummyProfile(_tipoTornitura);
Sgrossatura = new Operazione(this, LavorazioniEnumOperazioni.TornituraSgrossatura);
Finitura = new Operazione(this, LavorazioniEnumOperazioni.TornituraFinitura);
}
private static RawProfile ProcessRawProfile (string value)
{
// ImageMagick formats 'raw profiles' as
// '\n<name>\n<length>(%8lu)\n<hex payload>\n'.
var parts = value.Split (new[] { '\n' });
if (parts.Length < 4)
return null;
var profile = new RawProfile ();
profile.Name = parts [1];
profile.LengthText = parts [2];
for (int i = 3; i < parts.Length; i++) {
var buffer = new Byte[parts [i].Length];
int iBuffer = 0;
for (int j = 0; j < parts [i].Length - 1; j += 2) {
var subString = parts [i].Substring (j, 2);
buffer [iBuffer++] = Convert.ToByte (subString, 16);
}
// raw profile data often has many trailing nulls in most lines, which must be removed
// for XML processing as XMP data. Are there other raw profiles that need them?
profile.Data.Add (Encoding.UTF8.GetString (buffer).Trim (new char[] {'\0'}));
}
return profile;
}
public Profile2D GetClosedProfile()
{
var raggio = Circoscritto ? Radius : GeometryHelper.GetRaggioCircoscritto(Radius, SideNumber);
var pntList = GeometryHelper.CalculatePoygonInscribed(SideNumber, new Point2D(CentroX, CentroY), raggio);
var p = new RawProfile(false);
var iniPoint2D = new Point2D();
for (int i = 0; i < pntList.Count; i++)
{
var point = pntList[i];
// Initial point
if (i == 0)
{
iniPoint2D = point;
var ini = new RawInitPoint2D(p);
ini.X.SetValue(true, iniPoint2D.X + CentroX);
ini.Y.SetValue(true, iniPoint2D.Y + CentroY);
p.Add(ini);
continue;
}
var p1 = new RawLine2D(p);
p1.X.SetValue(true, point.X + CentroX);
p1.Y.SetValue(true, point.Y + CentroY);
p.Add(p1);
if (Chamfer > 0 && ChamferAbilited)
{
p1.Chamfer.SetValue(true, Chamfer);
}
else if (Chamfer > 0 && !ChamferAbilited)
{
p1.EndRadius.SetValue(true, Chamfer);
}
}
var end = new RawLine2D(p);
end.X.SetValue(true, iniPoint2D.X + CentroX);
end.Y.SetValue(true, iniPoint2D.Y + CentroY);
p.Add(end);
if (Chamfer > 0 && ChamferAbilited)
{
end.Chamfer.SetValue(true, Chamfer);
}
else if (Chamfer > 0 && !ChamferAbilited)
{
end.EndRadius.SetValue(true, Chamfer);
}
var rslt = p.GetProfileResult(true);
rslt.SetPlotStyle();
return(rslt);
}
/// <summary>
/// Crea profilo per gola a V Esterna
/// Comprensivo di smussi.
/// </summary>
/// <returns></returns>
protected override Profile2D CalculateProfile()
{
var rawProfile = new RawProfile(false);
var ini = new RawInitPoint2D(rawProfile);
ini.X.SetValue(true, CenterZ + LunghezzaEst / 2 + ExternChamferValue);
ini.Y.SetValue(true, DiametroExt);
rawProfile.Add(ini);
var p1 = new RawLine2D(rawProfile);
p1.X.SetValue(true, CenterZ + LunghezzaEst / 2);
rawProfile.Add(p1);
if (ExternChamferValue > 0 && ChamferExternAbilited)
{
p1.Chamfer.SetValue(true, ExternChamferValue);
}
else if (ExternChamferValue > 0 && !ChamferExternAbilited)
{
p1.EndRadius.SetValue(true, ExternChamferValue);
}
var p2 = new RawLine2D(rawProfile);
p2.X.SetValue(true, CenterZ + LunghezzaInt / 2);
p2.Y.SetValue(true, DiametroMin);
rawProfile.Add(p2);
if (InternChamferValue > 0 && ChamferInternAbilited)
{
p2.Chamfer.SetValue(true, ExternChamferValue);
}
else if (InternChamferValue > 0 && !ChamferInternAbilited)
{
p2.EndRadius.SetValue(true, ExternChamferValue);
}
// P4
var p4 = new RawLine2D(rawProfile);
p4.X.SetValue(true, CenterZ - LunghezzaInt / 2);
rawProfile.Add(p2);
if (InternChamferValue > 0 && ChamferInternAbilited)
{
p4.Chamfer.SetValue(true, ExternChamferValue);
}
else if (InternChamferValue > 0 && !ChamferInternAbilited)
{
p4.EndRadius.SetValue(true, ExternChamferValue);
}
// P5
var p5 = new RawLine2D(rawProfile);
p5.X.SetValue(true, CenterZ - LunghezzaEst / 2);
rawProfile.Add(p5);
if (ExternChamferValue > 0 && ChamferExternAbilited)
{
p5.Chamfer.SetValue(true, ExternChamferValue);
}
else if (ExternChamferValue > 0 && !ChamferExternAbilited)
{
p5.EndRadius.SetValue(true, ExternChamferValue);
}
// P6 - Last Point
var p6 = new RawLine2D(rawProfile);
p6.X.SetValue(true, CenterZ - LunghezzaEst / 2 - ExternChamferValue);
rawProfile.Add(p6);
var rslt = rawProfile.GetProfileResult(true);
rslt.SetPlotStyle();
return(rslt);
}
public FreeProfilePattern()
{
_rawProfile = CreateDefaultData();
}
/*
* Magari aggiungere inclinazione
*/
public Profile2D GetClosedProfile()
{
/*
* Come coordinate 0 prendo centro raggio.
*
* Allora primo sono sulla faccia esterna del pezzo
*
* poi scendo ( faccio smusso raccordo se esiste )
*
* vado a fare raccordo
*
* esco sulla faccia del pezzo
*
* poi aggirando tutto il profilo chiudo
*
* in modo da creare profilo esterno da trimmare.
*/
var rawProfile = new RawProfile(false);
if (Radius <= 0 || LunghezzaCentroLato <= 0)
{
return(new Profile2D());
}
/* Punto iniziale*/
var initPoint2D = new RawInitPoint2D(rawProfile);
initPoint2D.X.SetValue(true, CentroX + LunghezzaCentroLato);
initPoint2D.Y.SetValue(true, CentroY + Radius + ChamferValue * 1.2 + 1);
initPoint2D.PlotStyle = EnumPlotStyle.Element;
/*Punto 1*/
var line1 = new RawLine2D(rawProfile);
line1.Y.SetValue(true, CentroY + Radius);
line1.PlotStyle = EnumPlotStyle.Element;
if (ChamferValue > 0)
{
line1.Chamfer.SetValue(true, ChamferValue);
}
/*Inizio Arco*/
var line2 = new RawLine2D(rawProfile);
line2.PlotStyle = EnumPlotStyle.Element;
line2.X.SetValue(true, CentroX);
/*Arco*/
var arc = new RawArc2D(rawProfile);
arc.PlotStyle = EnumPlotStyle.Element;
arc.Radius.SetValue(true, Radius);
arc.IsClockwise = false;
arc.Y.SetValue(true, CentroY - Radius);
arc.CenterX.SetValue(true, CentroX);
arc.CenterY.SetValue(true, CentroY);
/*Faccia pezzo*/
var line3 = new RawLine2D(rawProfile);
line3.PlotStyle = EnumPlotStyle.Element;
line3.X.SetValue(true, CentroX + LunghezzaCentroLato);
if (ChamferValue > 0)
{
line3.Chamfer.SetValue(true, ChamferValue);
}
/*Scendo pezzo*/
var line4 = new RawLine2D(rawProfile);
line4.PlotStyle = EnumPlotStyle.Element;
line4.Y.SetValue(true, CentroY - Radius - ChamferValue * 1.2 - 1);
/* Aggiro in 3 linee*/
var line5 = new RawLine2D(rawProfile);
line5.PlotStyle = EnumPlotStyle.Invisible;
line5.X.SetValue(true, CentroX - Radius * 2);
var line6 = new RawLine2D(rawProfile);
line6.PlotStyle = EnumPlotStyle.Invisible;
line6.Y.SetValue(true, initPoint2D.Y.Value);
var line7 = new RawLine2D(rawProfile);
line7.PlotStyle = EnumPlotStyle.Invisible;
line7.X.SetValue(true, initPoint2D.X.Value);
rawProfile.Add(initPoint2D);
rawProfile.Add(line1);
rawProfile.Add(line2);
rawProfile.Add(arc);
rawProfile.Add(line3);
rawProfile.Add(line4);
rawProfile.Add(line5);
rawProfile.Add(line6);
rawProfile.Add(line7);
var profile = rawProfile.GetProfileResult(true);
return(profile);
}
