private void RenderMapBoundsBackgroundPolygon(CGpsMapperMapWriter mapWriter)
{
Polyline2 boundsPolyline = new Polyline2();
Bounds2 mapBounds = osmDatabase.CalculateBounds();
boundsPolyline.AddVertex(new PointD2(mapBounds.MinX, mapBounds.MinY));
boundsPolyline.AddVertex(new PointD2(mapBounds.MaxX, mapBounds.MinY));
boundsPolyline.AddVertex(new PointD2(mapBounds.MaxX, mapBounds.MaxY));
boundsPolyline.AddVertex(new PointD2(mapBounds.MinX, mapBounds.MaxY));
boundsPolyline.AddVertex(new PointD2(mapBounds.MinX, mapBounds.MinY));
PointD2List pointList = new PointD2List(boundsPolyline.VerticesCount);
foreach (PointD2 vertex in boundsPolyline.Vertices)
{
pointList.AddPoint(vertex);
}
Settings.RenderingRules.LandPolygonsTemplate.RenderPolygon(
Settings,
Analysis,
pointList,
mapWriter);
}
private void AddLandAndSeaPolygons(
CoastlinesProcessed coastlinesProcessed,
bool analysisMode,
CGpsMapperMapWriter mapWriter)
{
if (coastlinesProcessed.CoastlinesToRender.Count > 0)
{
if (analysisMode)
{
Settings.RenderingRules.RegisterSeaAndLandPolygonsTemplatesIfNecessary(Settings);
}
else
{
// fill download bounding boxes with sea color
foreach (Bounds2 seaBoxes in coastlinesProcessed.BoundsToUse)
{
Polyline2 boundsPolyline = new Polyline2();
boundsPolyline.AddVertex(new PointD2(seaBoxes.MinX, seaBoxes.MinY));
boundsPolyline.AddVertex(new PointD2(seaBoxes.MaxX, seaBoxes.MinY));
boundsPolyline.AddVertex(new PointD2(seaBoxes.MaxX, seaBoxes.MaxY));
boundsPolyline.AddVertex(new PointD2(seaBoxes.MinX, seaBoxes.MaxY));
boundsPolyline.AddVertex(new PointD2(seaBoxes.MinX, seaBoxes.MinY));
PointD2List pointList = new PointD2List(boundsPolyline.VerticesCount);
foreach (PointD2 vertex in boundsPolyline.Vertices)
{
pointList.AddPoint(vertex);
}
Settings.RenderingRules.SeaPolygonsTemplate.RenderPolygon(
Settings,
Analysis,
new PointD2Array(pointList),
mapWriter);
}
// now add polygons for all of the islands
foreach (CoastlineAsPoints coastline in coastlinesProcessed.CoastlinesToRender)
{
Settings.RenderingRules.LandPolygonsTemplate.RenderPolygon(
Settings,
Analysis,
coastline.CoastlinePoints,
mapWriter);
}
}
}
else if (Settings.RenderingRules.Options.ForceBackgroundColor)
{
if (log.IsDebugEnabled)
{
log.Debug("There are no coastlines to process, but we need to render the map background polygon");
}
if (analysisMode)
{
Settings.RenderingRules.RegisterSeaAndLandPolygonsTemplatesIfNecessary(Settings);
}
else
{
RenderMapBoundsBackgroundPolygon(mapWriter);
}
}
}
