internal static ShapeContent ReadPolyLineMFromRecord(BinaryReader reader, ShapeRecordHeader header)
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
reader.ReadBytes(BoundingBoxByteLength.ToInt32()); // skip BoundingBox
var numberOfParts = reader.ReadInt32LittleEndian();
var numberOfPoints = reader.ReadInt32LittleEndian();
var parts = new int[numberOfParts];
for (var partIndex = 0; partIndex < numberOfParts; partIndex++)
{
parts[partIndex] = reader.ReadInt32LittleEndian();
}
var points = new PointM[numberOfPoints];
for (var pointIndex = 0; pointIndex < numberOfPoints; pointIndex++)
{
points[pointIndex] = new PointM(
reader.ReadDoubleLittleEndian(),
reader.ReadDoubleLittleEndian());
}
var contentLengthWithoutMeasures = ContentHeaderLength
.Plus(ByteLength.Int32.Times(numberOfParts)) // Parts
.Plus(ByteLength.Double.Times(numberOfPoints * 2)); // Points(X,Y)
if (header.ContentLength > contentLengthWithoutMeasures)
{
reader.ReadBytes(MeasureRangeByteLength.ToInt32()); // skip MeasureRange
for (var measureIndex = 0; measureIndex < numberOfPoints; measureIndex++)
{
points[measureIndex].ChangeMeasurement(reader.ReadDoubleLittleEndian()); // Points[i].M
}
}
var lines = new ILineString[numberOfParts];
var toPointIndex = points.Length;
for (var partIndex = numberOfParts - 1; partIndex >= 0; partIndex--)
{
var fromPointIndex = parts[partIndex];
lines[partIndex] = new LineString(
new PointSequence(new ArraySegment <PointM>(points, fromPointIndex, toPointIndex - fromPointIndex)),
GeometryConfiguration.GeometryFactory);
toPointIndex = fromPointIndex;
}
return(new PolyLineMShapeContent(new MultiLineString(lines)));
}
internal static ShapeContent ReadPolyLineMFromRecord(BinaryReader reader, ShapeRecordHeader header)
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
var box = new BoundingBox2D(
reader.ReadDoubleLittleEndian(),
reader.ReadDoubleLittleEndian(),
reader.ReadDoubleLittleEndian(),
reader.ReadDoubleLittleEndian());
var numberOfParts = reader.ReadInt32LittleEndian();
var numberOfPoints = reader.ReadInt32LittleEndian();
var parts = new int[numberOfParts];
for (var partIndex = 0; partIndex < numberOfParts; partIndex++)
{
parts[partIndex] = reader.ReadInt32LittleEndian();
}
var points = new Point[numberOfPoints];
for (var pointIndex = 0; pointIndex < numberOfPoints; pointIndex++)
{
points[pointIndex] = new Point(
reader.ReadDoubleLittleEndian(),
reader.ReadDoubleLittleEndian());
}
var contentLengthWithoutMeasures = ContentHeaderLength
.Plus(ByteLength.Int32.Times(numberOfParts)) // Parts
.Plus(ByteLength.Double.Times(numberOfPoints * 2)); // Points(X,Y)
double[] measures;
if (header.ContentLength > contentLengthWithoutMeasures)
{
measures = new double[numberOfPoints];
reader.ReadBytes(MeasureRangeByteLength.ToInt32()); // skip MeasureRange
for (var measureIndex = 0; measureIndex < numberOfPoints; measureIndex++)
{
measures[measureIndex] = reader.ReadDoubleLittleEndian();
}
}
else
{
measures = new double[0];
}
return(new PolyLineMShapeContent(new PolyLineM(box, parts, points, measures)));
}
public void ToInt32ReturnsExpectedValue()
{
var value = _fixture.Create <int>().AsByteLengthValue();
var sut = new ByteLength(value);
var result = sut.ToInt32();
Assert.Equal(value, result);
}
public ByteOffset Plus(ByteLength other)
{
return(new ByteOffset(_value + other.ToInt32()));
}
public ByteOffset Plus(ByteLength other) => new ByteOffset(_value + other.ToInt32());
