public static CellArray CellArray(MetafileReader reader)
{
var p = reader.ReadPoint();
var q = reader.ReadPoint();
var r = reader.ReadPoint();
int nx = reader.ReadInteger();
int ny = reader.ReadInteger();
// TODO: not really used in text encoding; but in case we ever need it,
// the same check for zero as in binary encoding needs to happen.
// intentionally unused until that time comes.
int localColorPrecision = reader.ReadInteger();
int totalCount = nx * ny;
var colors = new List <MetafileColor>();
while (reader.HasMoreData())
{
colors.Add(reader.ReadColor());
}
// FIXME: for parenthesized lists, every row is enclosed by parenthesis (which right now are ignored by the parser).
// The number of cells between parentheses shall be less than or equal to the row length.
// If a row is not complete, then the last defined cell in the row is replicated to fill the row.
// Since the parser ignores parenthesis, we can only fill the last row with the last color of all rows;
// but not every row with the last color of each row.
if (colors.Count < totalCount)
{
var lastColor = colors.Last();
colors.AddRange(Enumerable.Range(0, totalCount - colors.Count).Select(i => lastColor));
}
return(new CellArray(p, q, r, nx, ny, colors.ToArray()));
}
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 PatternTable PatternTable(MetafileReader reader)
{
int index = reader.ReadIndex();
int nx = reader.ReadInteger();
int ny = reader.ReadInteger();
// TODO: not really used in text encoding; but in case we ever need it,
// the same check for zero as in binary encoding needs to happen.
// intentionally unused until that time comes.
int localColorPrecision = reader.ReadInteger();
var colors = new List <MetafileColor>();
int count = nx * ny;
while (reader.HasMoreData(3) && count-- > 0)
{
colors.Add(reader.ReadColor());
}
return(new PatternTable(index, nx, ny, colors.ToArray()));
}
public static AuxiliaryColor AuxiliaryColor(MetafileReader reader)
{
return(new AuxiliaryColor(reader.ReadColor()));
}
public static TextColor TextColor(MetafileReader reader)
{
return(new TextColor(reader.ReadColor()));
}
public static MarkerColor MarkerColor(MetafileReader reader)
{
return(new MarkerColor(reader.ReadColor()));
}
public static LineColor LineColor(MetafileReader reader)
{
return(new LineColor(reader.ReadColor()));
}
public static EdgeColor EdgeColor(MetafileReader reader)
{
return(new EdgeColor(reader.ReadColor()));
}
public static FillColor FillColor(MetafileReader reader)
{
return(new FillColor(reader.ReadColor()));
}