public static HatchStyleDefinition HatchStyleDefinition(MetafileReader reader)
{
int hatchIndex = reader.ReadIndex();
HatchStyleIndicator styleIndicator = ParseHatchStyleIndicator(reader.ReadEnum());
double hatchDirectionStartX = reader.ReadSizeSpecification(reader.Descriptor.InteriorStyleSpecificationMode);
double hatchDirectionStartY = reader.ReadSizeSpecification(reader.Descriptor.InteriorStyleSpecificationMode);
double hatchDirectionEndX = reader.ReadSizeSpecification(reader.Descriptor.InteriorStyleSpecificationMode);
double hatchDirectionEndY = reader.ReadSizeSpecification(reader.Descriptor.InteriorStyleSpecificationMode);
double dutyCycleLength = reader.ReadSizeSpecification(reader.Descriptor.InteriorStyleSpecificationMode);
int n = reader.ReadInteger();
var gapWidths = new List <int>();
for (int i = 0; i < n; i++)
{
gapWidths.Add(reader.ReadInteger());
}
var lineTypes = new List <int>();
for (int i = 0; i < n; i++)
{
lineTypes.Add(reader.ReadInteger());
}
return(new HatchStyleDefinition(hatchIndex, styleIndicator,
new PointF((float)hatchDirectionStartX, (float)hatchDirectionStartY),
new PointF((float)hatchDirectionEndX, (float)hatchDirectionEndY),
dutyCycleLength, gapWidths.ToArray(), lineTypes.ToArray()));
}
public static PatternSize PatternSize(MetafileReader reader)
{
// NOTE: Pattern size may only be 'absolute' (VDC) in Version 1 and 2 metafiles. In Version 3 and 4 metafiles it may be
// expressed in any of the modes which can be selected with INTERIOR STYLE SPECIFICATION MODE.
var specificationMode = reader.Properties.Version < 3 ? WidthSpecificationModeType.Absolute : reader.Descriptor.InteriorStyleSpecificationMode;
return(new PatternSize(
new PointF((float)reader.ReadSizeSpecification(specificationMode), (float)reader.ReadSizeSpecification(specificationMode)),
new PointF((float)reader.ReadSizeSpecification(specificationMode), (float)reader.ReadSizeSpecification(specificationMode))));
}
public static InterpolatedInterior InterpolatedInterior(MetafileReader reader)
{
int style = reader.ReadIndex();
var referenceGeometry = new List <PointF>();
var stageDesignators = new List <double>();
var colorSpecifiers = new List <MetafileColor>();
// Legal values of the style parameter are positive integers. [ISO/IEC 8632-1 7.7.43]
// Values greater than 3 are reserved for future standardization and registration.
if (style >= 1 && style <= 3)
{
// parallel: the number of scalars shall be 2. The FILL REFERENCE POINT is one defining
// point of a reference line. A second defining point of the reference line is defined by
// the 2 scalars, which are respectively the x and y offset of the second point from the
// FILL REFERENCE POINT.
// elliptical: the number of scalars shall be 4. The FILL REFERENCE POINT is the centre of a
// reference ellipse. The first pair of scalars are respectively the x and y offset from
// the FILL REFERENCE POINT to the first CDP of ellipse and the second pair are
// respectively the x and y offset from the FILL REFERENCE POINT to the second
// CDP of ellipse.
// triangular: the number of scalars shall be 4. The first pair of scalars are respectively the x and
// y offset from the FILL REFERENCE POINT to the second corner of a reference
// triangle and the second pair are respectively the x and y offset from the FILL
// REFERENCE POINT to the third corner of the reference triangle. The number of
// stages shall be 0 and the list of stage designators shall be empty.
int geoCount;
if (style == 1)
{
geoCount = 2;
}
else
{
geoCount = 4;
}
for (int i = 0; i < geoCount / 2; i++)
{
double rgX = reader.ReadSizeSpecification(reader.Descriptor.InteriorStyleSpecificationMode);
double rgY = reader.ReadSizeSpecification(reader.Descriptor.InteriorStyleSpecificationMode);
referenceGeometry.Add(new PointF((float)rgX, (float)rgY));
}
int numberOfStages = reader.ReadInteger();
for (int i = 0; i < numberOfStages; i++)
{
stageDesignators.Add(reader.ReadReal());
}
int numberOfColors = style == 3 ? 3 : numberOfStages + 1;
for (int i = 0; i < numberOfColors; i++)
{
colorSpecifiers.Add(reader.ReadColor());
}
}
return(new InterpolatedInterior(style, referenceGeometry.ToArray(), stageDesignators.ToArray(), colorSpecifiers.ToArray()));
}
public static LineAndEdgeTypeDefinition LineAndEdgeTypeDefinition(MetafileReader reader)
{
int lineType = reader.ReadIndex();
double dashCycleRepeatLength = reader.ReadSizeSpecification(reader.Descriptor.LineWidthSpecificationMode);
var dashElements = new List <int>();
while (reader.HasMoreData())
{
dashElements.Add(reader.ReadInteger());
}
return(new LineAndEdgeTypeDefinition(lineType, dashCycleRepeatLength, dashElements.ToArray()));
}
public static MarkerSize MarkerSize(MetafileReader reader)
{
return(new MarkerSize(reader.ReadSizeSpecification(reader.Descriptor.MarkerSizeSpecificationMode)));
}
public static LineWidth LineWidth(MetafileReader reader)
{
return(new LineWidth(reader.ReadSizeSpecification(reader.Descriptor.LineWidthSpecificationMode)));
}
