public void RenderFeatureTest()
{
IFeatureProvider provider = DataSourceHelper.CreateGeometryDatasource(_factories.GeoFactory);
TestVectorRenderer vectorRenderer = new TestVectorRenderer();
BasicGeometryRenderer2D <RenderObject> geometryRenderer =
new BasicGeometryRenderer2D <RenderObject>(vectorRenderer);
FeatureDataTable features = new FeatureDataTable(_factories.GeoFactory);
IExtents extents = provider.GetExtents();
FeatureQueryExpression query = new FeatureQueryExpression(extents.ToGeometry(),
SpatialOperation.Intersects,
provider);
features.Merge(provider.ExecuteFeatureQuery(query) as IEnumerable <IFeatureDataRecord>,
provider.GeometryFactory);
foreach (FeatureDataRow feature in features)
{
IGeometry g = feature.Geometry;
List <RenderObject> renderedObjects = new List <RenderObject>(geometryRenderer.RenderFeature(feature));
for (Int32 i = 0; i < renderedObjects.Count; i++)
{
RenderObject ro = renderedObjects[i];
}
}
}
public void RenderingPointsGeometriesWithGdiVectorRendererProducesCorrectGdiBitmaps()
{
using (GdiVectorRenderer vectorRenderer = new GdiVectorRenderer())
{
BasicGeometryRenderer2D <GdiRenderObject> geometryRenderer
= new BasicGeometryRenderer2D <GdiRenderObject>(vectorRenderer);
FeatureProvider provider = DataSourceHelper.CreateFeatureDatasource(_geoFactory);
FeatureQueryExpression query
= FeatureQueryExpression.Intersects(provider.GetExtents());
foreach (IFeatureDataRecord record in provider.ExecuteFeatureQuery(query))
{
IEnumerable <GdiRenderObject> renderedObjects = geometryRenderer.RenderFeature(record);
Int32 geoIndex = 0;
foreach (GdiRenderObject ro in renderedObjects)
{
IGeometry g = record.Geometry;
if (g is IMultiPoint)
{
IMultiPoint mp = g as IMultiPoint;
Assert.AreEqual(mp[geoIndex][Ordinates.X], ro.Bounds.Location.X, _e);
Assert.AreEqual(mp[geoIndex][Ordinates.Y], ro.Bounds.Location.Y, _e);
geoIndex++;
}
else if (g is IPoint)
{
IPoint p = g as IPoint;
Assert.AreEqual(p[Ordinates.X], ro.Bounds.Location.X, _e);
Assert.AreEqual(p[Ordinates.Y], ro.Bounds.Location.Y, _e);
}
}
}
}
}
public void RenderingPolygonsWithGdiVectorRendererProducesCorrectGdiPaths()
{
using (GdiVectorRenderer vectorRenderer = new GdiVectorRenderer())
{
BasicGeometryRenderer2D <GdiRenderObject> geometryRenderer
= new BasicGeometryRenderer2D <GdiRenderObject>(vectorRenderer);
FeatureProvider provider = DataSourceHelper.CreateFeatureDatasource(_geoFactory);
FeatureQueryExpression query
= FeatureQueryExpression.Intersects(provider.GetExtents());
foreach (IFeatureDataRecord record in provider.ExecuteFeatureQuery(query))
{
IEnumerable <GdiRenderObject> renderedObjects
= geometryRenderer.RenderFeature(record);
foreach (GdiRenderObject ro in renderedObjects)
{
IGeometry g = record.Geometry;
if (g is IPolygon)
{
IPolygon p = g as IPolygon;
using (GraphicsPathIterator iter = new GraphicsPathIterator(ro.GdiPath))
{
Int32 start, end;
Boolean isClosed;
iter.NextSubpath(out start, out end, out isClosed);
Assert.IsTrue(isClosed);
Assert.AreEqual(p.ExteriorRing.Coordinates.Count, end - start + 1);
for (Int32 vertexIndex = 0;
vertexIndex < p.ExteriorRing.Coordinates.Count;
vertexIndex++)
{
ICoordinate v = (ICoordinate)p.ExteriorRing.Coordinates[vertexIndex];
PointF gdiPoint = ro.GdiPath.PathPoints[vertexIndex + start];
Assert.AreEqual(v[Ordinates.X], gdiPoint.X);
Assert.AreEqual(v[Ordinates.Y], gdiPoint.Y);
}
foreach (ILineString interiorRing in p.InteriorRings)
{
iter.NextSubpath(out start, out end, out isClosed);
Assert.IsTrue(isClosed);
Assert.AreEqual(interiorRing.PointCount, end - start + 1);
for (Int32 vertexIndex = 0;
vertexIndex < interiorRing.PointCount;
vertexIndex++)
{
ICoordinate v = interiorRing.Coordinates[vertexIndex];
PointF gdiPoint = ro.GdiPath.PathPoints[vertexIndex + start];
Assert.AreEqual(v[Ordinates.X], gdiPoint.X);
Assert.AreEqual(v[Ordinates.Y], gdiPoint.Y);
}
}
}
}
else if (g is IMultiPolygon)
{
IMultiPolygon mp = g as IMultiPolygon;
using (GraphicsPathIterator iter = new GraphicsPathIterator(ro.GdiPath))
{
foreach (IPolygon p in (IEnumerable <IPolygon>)mp)
{
Int32 start, end;
Boolean isClosed;
iter.NextSubpath(out start, out end, out isClosed);
Assert.IsTrue(isClosed);
Int32 exteriorPointCount = p.ExteriorRing.PointCount;
Assert.AreEqual(exteriorPointCount, end - start + 1);
for (Int32 vertexIndex = 0;
vertexIndex < exteriorPointCount;
vertexIndex++)
{
ICoordinate v = p.ExteriorRing.Coordinates[vertexIndex];
PointF gdiPoint = ro.GdiPath.PathPoints[vertexIndex + start];
Assert.AreEqual(v[Ordinates.X], gdiPoint.X);
Assert.AreEqual(v[Ordinates.Y], gdiPoint.Y);
}
foreach (ILineString interiorRing in p.InteriorRings)
{
iter.NextSubpath(out start, out end, out isClosed);
Assert.IsTrue(isClosed);
Assert.AreEqual(interiorRing.PointCount, end - start + 1);
for (Int32 vertexIndex = 0;
vertexIndex < interiorRing.PointCount;
vertexIndex++)
{
ICoordinate v = interiorRing.Coordinates[vertexIndex];
PointF gdiPoint = ro.GdiPath.PathPoints[vertexIndex + start];
Assert.AreEqual(v[Ordinates.X], gdiPoint.X);
Assert.AreEqual(v[Ordinates.Y], gdiPoint.Y);
}
}
}
}
}
}
}
}
}
public void RenderingLinesWithGdiVectorRendererProducesCorrectGdiPaths()
{
using (GdiVectorRenderer vectorRenderer = new GdiVectorRenderer())
{
BasicGeometryRenderer2D <GdiRenderObject> geometryRenderer
= new BasicGeometryRenderer2D <GdiRenderObject>(vectorRenderer);
FeatureProvider provider = DataSourceHelper.CreateFeatureDatasource(_geoFactory);
FeatureQueryExpression query
= FeatureQueryExpression.Intersects(provider.GetExtents());
foreach (IFeatureDataRecord record in provider.ExecuteFeatureQuery(query))
{
IEnumerable <GdiRenderObject> renderedObjects = geometryRenderer.RenderFeature(record);
Int32 geoIndex = 0;
IGeometry g = record.Geometry;
foreach (GdiRenderObject ro in renderedObjects)
{
using (GraphicsPathIterator iter = new GraphicsPathIterator(ro.GdiPath))
{
Int32 start, end;
Boolean isClosed;
iter.NextSubpath(out start, out end, out isClosed);
if (g is ILineString)
{
Assert.IsFalse(isClosed);
ILineString ls = g as ILineString;
Assert.AreEqual(1, iter.SubpathCount);
for (Int32 vertexIndex = 0; vertexIndex < ls.Coordinates.Count; vertexIndex++)
{
ICoordinate v = (ICoordinate)ls.Coordinates[vertexIndex];
PointF gdiPoint = ro.GdiPath.PathPoints[vertexIndex + start];
Assert.AreEqual(v[Ordinates.X], gdiPoint.X);
Assert.AreEqual(v[Ordinates.Y], gdiPoint.Y);
}
}
else if (g is IMultiLineString)
{
Assert.IsFalse(isClosed);
IMultiLineString mls = g as IMultiLineString;
Assert.AreEqual(mls.Count, iter.SubpathCount);
foreach (ILineString lineString in (IEnumerable <ILineString>)mls)
{
for (Int32 vertexIndex = 0; vertexIndex < lineString.Coordinates.Count; vertexIndex++)
{
ICoordinate v = (ICoordinate)lineString.Coordinates[vertexIndex];
PointF gdiPoint = ro.GdiPath.PathPoints[vertexIndex + start];
Assert.AreEqual(v[Ordinates.X], gdiPoint.X);
Assert.AreEqual(v[Ordinates.Y], gdiPoint.Y);
}
iter.NextSubpath(out start, out end, out isClosed);
}
}
}
}
}
}
}
public void RenderingPolygonsWithGdiVectorRendererProducesCorrectGdiPaths()
{
using (GdiVectorRenderer vectorRenderer = new GdiVectorRenderer())
{
BasicGeometryRenderer2D<GdiRenderObject> geometryRenderer
= new BasicGeometryRenderer2D<GdiRenderObject>(vectorRenderer);
FeatureProvider provider = DataSourceHelper.CreateFeatureDatasource(_geoFactory);
FeatureQueryExpression query
= FeatureQueryExpression.Intersects(provider.GetExtents());
foreach (IFeatureDataRecord record in provider.ExecuteFeatureQuery(query))
{
IEnumerable<GdiRenderObject> renderedObjects
= geometryRenderer.RenderFeature(record);
foreach (GdiRenderObject ro in renderedObjects)
{
IGeometry g = record.Geometry;
if (g is IPolygon)
{
IPolygon p = g as IPolygon;
using (GraphicsPathIterator iter = new GraphicsPathIterator(ro.GdiPath))
{
Int32 start, end;
Boolean isClosed;
iter.NextSubpath(out start, out end, out isClosed);
Assert.IsTrue(isClosed);
Assert.AreEqual(p.ExteriorRing.Coordinates.Count, end - start + 1);
for (Int32 vertexIndex = 0;
vertexIndex < p.ExteriorRing.Coordinates.Count;
vertexIndex++)
{
ICoordinate v = (ICoordinate)p.ExteriorRing.Coordinates[vertexIndex];
PointF gdiPoint = ro.GdiPath.PathPoints[vertexIndex + start];
Assert.AreEqual(v[Ordinates.X], gdiPoint.X);
Assert.AreEqual(v[Ordinates.Y], gdiPoint.Y);
}
foreach (ILineString interiorRing in p.InteriorRings)
{
iter.NextSubpath(out start, out end, out isClosed);
Assert.IsTrue(isClosed);
Assert.AreEqual(interiorRing.PointCount, end - start + 1);
for (Int32 vertexIndex = 0;
vertexIndex < interiorRing.PointCount;
vertexIndex++)
{
ICoordinate v = interiorRing.Coordinates[vertexIndex];
PointF gdiPoint = ro.GdiPath.PathPoints[vertexIndex + start];
Assert.AreEqual(v[Ordinates.X], gdiPoint.X);
Assert.AreEqual(v[Ordinates.Y], gdiPoint.Y);
}
}
}
}
else if (g is IMultiPolygon)
{
IMultiPolygon mp = g as IMultiPolygon;
using (GraphicsPathIterator iter = new GraphicsPathIterator(ro.GdiPath))
{
foreach (IPolygon p in (IEnumerable<IPolygon>)mp)
{
Int32 start, end;
Boolean isClosed;
iter.NextSubpath(out start, out end, out isClosed);
Assert.IsTrue(isClosed);
Int32 exteriorPointCount = p.ExteriorRing.PointCount;
Assert.AreEqual(exteriorPointCount, end - start + 1);
for (Int32 vertexIndex = 0;
vertexIndex < exteriorPointCount;
vertexIndex++)
{
ICoordinate v = p.ExteriorRing.Coordinates[vertexIndex];
PointF gdiPoint = ro.GdiPath.PathPoints[vertexIndex + start];
Assert.AreEqual(v[Ordinates.X], gdiPoint.X);
Assert.AreEqual(v[Ordinates.Y], gdiPoint.Y);
}
foreach (ILineString interiorRing in p.InteriorRings)
{
iter.NextSubpath(out start, out end, out isClosed);
Assert.IsTrue(isClosed);
Assert.AreEqual(interiorRing.PointCount, end - start + 1);
for (Int32 vertexIndex = 0;
vertexIndex < interiorRing.PointCount;
vertexIndex++)
{
ICoordinate v = interiorRing.Coordinates[vertexIndex];
PointF gdiPoint = ro.GdiPath.PathPoints[vertexIndex + start];
Assert.AreEqual(v[Ordinates.X], gdiPoint.X);
Assert.AreEqual(v[Ordinates.Y], gdiPoint.Y);
}
}
}
}
}
}
}
}
}
public void RenderingPointsGeometriesWithGdiVectorRendererProducesCorrectGdiBitmaps()
{
using (GdiVectorRenderer vectorRenderer = new GdiVectorRenderer())
{
BasicGeometryRenderer2D<GdiRenderObject> geometryRenderer
= new BasicGeometryRenderer2D<GdiRenderObject>(vectorRenderer);
FeatureProvider provider = DataSourceHelper.CreateFeatureDatasource(_geoFactory);
FeatureQueryExpression query
= FeatureQueryExpression.Intersects(provider.GetExtents());
foreach (IFeatureDataRecord record in provider.ExecuteFeatureQuery(query))
{
IEnumerable<GdiRenderObject> renderedObjects = geometryRenderer.RenderFeature(record);
Int32 geoIndex = 0;
foreach (GdiRenderObject ro in renderedObjects)
{
IGeometry g = record.Geometry;
if (g is IMultiPoint)
{
IMultiPoint mp = g as IMultiPoint;
Assert.AreEqual(mp[geoIndex][Ordinates.X], ro.Bounds.Location.X, _e);
Assert.AreEqual(mp[geoIndex][Ordinates.Y], ro.Bounds.Location.Y, _e);
geoIndex++;
}
else if (g is IPoint)
{
IPoint p = g as IPoint;
Assert.AreEqual(p[Ordinates.X], ro.Bounds.Location.X, _e);
Assert.AreEqual(p[Ordinates.Y], ro.Bounds.Location.Y, _e);
}
}
}
}
}
public void RenderingLinesWithGdiVectorRendererProducesCorrectGdiPaths()
{
using (GdiVectorRenderer vectorRenderer = new GdiVectorRenderer())
{
BasicGeometryRenderer2D<GdiRenderObject> geometryRenderer
= new BasicGeometryRenderer2D<GdiRenderObject>(vectorRenderer);
FeatureProvider provider = DataSourceHelper.CreateFeatureDatasource(_geoFactory);
FeatureQueryExpression query
= FeatureQueryExpression.Intersects(provider.GetExtents());
foreach (IFeatureDataRecord record in provider.ExecuteFeatureQuery(query))
{
IEnumerable<GdiRenderObject> renderedObjects = geometryRenderer.RenderFeature(record);
Int32 geoIndex = 0;
IGeometry g = record.Geometry;
foreach (GdiRenderObject ro in renderedObjects)
{
using (GraphicsPathIterator iter = new GraphicsPathIterator(ro.GdiPath))
{
Int32 start, end;
Boolean isClosed;
iter.NextSubpath(out start, out end, out isClosed);
if (g is ILineString)
{
Assert.IsFalse(isClosed);
ILineString ls = g as ILineString;
Assert.AreEqual(1, iter.SubpathCount);
for (Int32 vertexIndex = 0; vertexIndex < ls.Coordinates.Count; vertexIndex++)
{
ICoordinate v = (ICoordinate)ls.Coordinates[vertexIndex];
PointF gdiPoint = ro.GdiPath.PathPoints[vertexIndex + start];
Assert.AreEqual(v[Ordinates.X], gdiPoint.X);
Assert.AreEqual(v[Ordinates.Y], gdiPoint.Y);
}
}
else if (g is IMultiLineString)
{
Assert.IsFalse(isClosed);
IMultiLineString mls = g as IMultiLineString;
Assert.AreEqual(mls.Count, iter.SubpathCount);
foreach (ILineString lineString in (IEnumerable<ILineString>)mls)
{
for (Int32 vertexIndex = 0; vertexIndex < lineString.Coordinates.Count; vertexIndex++)
{
ICoordinate v = (ICoordinate)lineString.Coordinates[vertexIndex];
PointF gdiPoint = ro.GdiPath.PathPoints[vertexIndex + start];
Assert.AreEqual(v[Ordinates.X], gdiPoint.X);
Assert.AreEqual(v[Ordinates.Y], gdiPoint.Y);
}
iter.NextSubpath(out start, out end, out isClosed);
}
}
}
}
}
}
}