/// <summary>
/// Calculates the insertion rotation matrix.
/// </summary>
/// <param name="insertionUnits">The insertion units.</param>
/// <returns>The insert transformation matrix.</returns>
public Matrix3 GetTransformation(DrawingUnits insertionUnits)
{
double docScale = UnitHelper.ConversionFactor(this.Block.Record.Units, insertionUnits);
Matrix3 trans = MathHelper.ArbitraryAxis(this.Normal);
trans *= Matrix3.RotationZ(this.rotation * MathHelper.DegToRad);
trans *= Matrix3.Scale(this.scale * docScale);
return(trans);
}
/// <summary>
/// Initializes a new instance of the <c>BlockRecord</c> class.
/// </summary>
/// <param name="name">Block definition name.</param>
public BlockRecord(string name)
: base(DxfObjectCode.BlockRecord)
{
if (string.IsNullOrEmpty(name))
throw new ArgumentNullException(nameof(name));
this.name = name;
this.layout = null;
this.units = DefaultUnits;
this.allowExploding = true;
this.scaleUniformly = false;
this.xData = new XDataDictionary();
}
/// <summary>
/// Gets the conversion factor between drawing units.
/// </summary>
/// <param name="from">Original drawing units.</param>
/// <param name="to">Destination drawing units.</param>
/// <returns>The conversion factor between the drawing units.</returns>
public static double ConversionFactor(DrawingUnits from, DrawingUnits to)
{
if (from == DrawingUnits.Unitless || to == DrawingUnits.Unitless)
{
return(1.0);
}
decimal factor1 = (decimal)UnitFactors[(int)from];
decimal factor2 = (decimal)UnitFactors[(int)to];
return((double)(factor1 / factor2));
}
/// <summary>
/// Initializes a new instance of the <c>BlockRecord</c> class.
/// </summary>
/// <param name="name">Block definition name.</param>
internal BlockRecord(string name)
: base(DxfObjectCode.BlockRecord)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentNullException(nameof(name));
}
this.name = name;
this.layout = null;
this.units = DefaultUnits;
this.allowExploding = true;
this.scaleUniformly = false;
}
/// <summary>
/// Initializes a new instance of the <c>BlockRecord</c> class.
/// </summary>
/// <param name="name">Block definition name.</param>
public BlockRecord(string name)
: base(DxfObjectCode.BlockRecord)
{
if (string.IsNullOrEmpty(name))
{
throw (new ArgumentNullException("name"));
}
this.name = name;
this.layout = null;
this.units = DefaultUnits;
this.allowExploding = true;
this.scaleUniformly = false;
this.xData = new XDataDictionary();
AddUnitsXData();
}
/// <summary>
/// Gets the conversion factor between image and drawing units.
/// </summary>
/// <param name="from">Original image units.</param>
/// <param name="to">Destination drawing units.</param>
/// <returns>The conversion factor between the units.</returns>
public static double ConversionFactor(ImageUnits from, DrawingUnits to)
{
// more on the dxf format none sense, they don't even use the same integers for the drawing and the image units
int rasterUnits = 0;
switch (from)
{
case ImageUnits.Unitless:
rasterUnits = 0;
break;
case ImageUnits.Millimeters:
rasterUnits = 4;
break;
case ImageUnits.Centimeters:
rasterUnits = 5;
break;
case ImageUnits.Meters:
rasterUnits = 6;
break;
case ImageUnits.Kilometers:
rasterUnits = 7;
break;
case ImageUnits.Inches:
rasterUnits = 1;
break;
case ImageUnits.Feet:
rasterUnits = 2;
break;
case ImageUnits.Yards:
rasterUnits = 10;
break;
case ImageUnits.Miles:
rasterUnits = 3;
break;
}
return(UnitFactors[rasterUnits, (int)to]);
}
public override void CopyFrom(DxfHandledObject from, CloneContext cloneContext)
{
base.CopyFrom(from, cloneContext);
DxfBlock dxfBlock = (DxfBlock)from;
this.blockFlags_0 = dxfBlock.blockFlags_0;
this.blockStatusFlags_0 = dxfBlock.blockStatusFlags_0;
this.vector3D_0 = dxfBlock.vector3D_0;
this.string_0 = dxfBlock.string_0;
this.string_1 = dxfBlock.string_1;
this.string_2 = dxfBlock.string_2;
this.BlockBegin = (DxfBlockBegin)dxfBlock.BlockBegin.Clone(cloneContext);
this.BlockEnd = (DxfBlockEnd)dxfBlock.BlockEnd.Clone(cloneContext);
if (object.ReferenceEquals((object)dxfBlock.dxfEntityCollection_0, (object)cloneContext.SourceModel.Entities))
{
this.method_10(cloneContext.TargetModel.Entities);
}
this.drawingUnits_0 = dxfBlock.drawingUnits_0;
this.bool_0 = dxfBlock.bool_0;
this.bool_1 = dxfBlock.bool_1;
}
/// <summary>
/// Gets the conversion factor between units.
/// </summary>
/// <param name="from">Original value units.</param>
/// <param name="to">Destination value units.</param>
/// <returns>The conversion factor between the passed units.</returns>
public static double ConversionFactor(DrawingUnits from, ImageUnits to)
{
return 1/ConversionFactor(to, from);
}
/// <summary>
/// Calculates the insertion rotation matrix.
/// </summary>
/// <param name="insertionUnits">The insertion units.</param>
/// <returns>The insert rotation matrix.</returns>
public Matrix3 GetTransformation(DrawingUnits insertionUnits)
{
double docScale = UnitHelper.ConversionFactor(this.Block.Record.Units, insertionUnits);
Matrix3 trans = MathHelper.ArbitraryAxis(this.normal);
trans *= Matrix3.RotationZ(this.rotation * MathHelper.DegToRad);
trans *= Matrix3.Scale(this.scale * docScale);
return trans;
}
/// <summary>
/// Gets the conversion factor between units.
/// </summary>
/// <param name="from">Original value units.</param>
/// <param name="to">Destination value units.</param>
/// <returns>The conversion factor between the passed units.</returns>
public static double ConversionFactor(DrawingUnits from, ImageUnits to)
{
return(1 / ConversionFactor(to, from));
}
/// <summary>
/// Converts a value from one drawing unit to another.
/// </summary>
/// <param name="value">Number to convert.</param>
/// <param name="from">Original drawing units.</param>
/// <param name="to">Destination drawing units.</param>
/// <returns>The converted value to the new drawing units.</returns>
public static double ConvertUnit(double value, DrawingUnits from, DrawingUnits to)
{
return(value * ConversionFactor(from, to));
}
/// <summary>
/// Gets the conversion factor between drawing units.
/// </summary>
/// <param name="from">Original drawing units.</param>
/// <param name="to">Destination drawing units.</param>
/// <returns>The conversion factor between the drawing units.</returns>
public static double ConversionFactor(DrawingUnits from, DrawingUnits to)
{
return(UnitFactors[(int)from, (int)to]);
}
/// <summary>
/// Initializes a new instance of the <c>BlockRecord</c> class.
/// </summary>
/// <param name="name">Block definition name.</param>
public BlockRecord(string name)
: base(name, DxfObjectCode.BlockRecord)
{
this.units = DrawingUnits.Unitless;
}
/// <summary>
/// Gets the conversion factor between image and drawing units.
/// </summary>
/// <param name="from">Original image units.</param>
/// <param name="to">Destination drawing units.</param>
/// <returns>The conversion factor between the units.</returns>
public static double ConversionFactor(ImageUnits from, DrawingUnits to)
{
// more on the dxf format none sense, they don't even use the same integers for the drawing and the image units
int rasterUnits = 0;
switch (from)
{
case ImageUnits.Unitless:
rasterUnits = 0;
break;
case ImageUnits.Millimeters:
rasterUnits = 4;
break;
case ImageUnits.Centimeters:
rasterUnits = 5;
break;
case ImageUnits.Meters:
rasterUnits = 6;
break;
case ImageUnits.Kilometers:
rasterUnits = 7;
break;
case ImageUnits.Inches:
rasterUnits = 1;
break;
case ImageUnits.Feet:
rasterUnits = 2;
break;
case ImageUnits.Yards:
rasterUnits = 10;
break;
case ImageUnits.Miles:
rasterUnits = 3;
break;
}
return UnitFactors[rasterUnits, (int)to];
}
/// <summary>
/// Gets the conversion factor between drawing units.
/// </summary>
/// <param name="from">Original drawing units.</param>
/// <param name="to">Destination drawing units.</param>
/// <returns>The conversion factor between the drawing units.</returns>
public static double ConversionFactor(DrawingUnits from, DrawingUnits to)
{
return UnitFactors[(int)from, (int)to];
}
/// <summary>
/// Converts a value from one drawing unit to another.
/// </summary>
/// <param name="value">Number to convert.</param>
/// <param name="from">Original drawing units.</param>
/// <param name="to">Destination drawing units.</param>
/// <returns>The converted value to the new drawing units.</returns>
public static double ConvertUnit(double value, DrawingUnits from, DrawingUnits to)
{
return value * ConversionFactor(from, to);
}
/// <summary>
/// Gets the conversion factor between units.
/// </summary>
/// <param name="from">Original value units.</param>
/// <param name="to">Destination value units.</param>
/// <returns>The conversion factor between the passed units.</returns>
public static double ConversionFactor(DrawingUnits from, ImageUnits to)
{
return(ConversionFactor(from, ImageToDrawingUnits(to)));
}
