public void TestMapCSSArea()
{
MemoryDataSource source = new MemoryDataSource(
Node.Create(1, 0, 0),
Node.Create(2, 1, 0),
Node.Create(3, 0, 1),
Way.Create(1, new TagsCollection(
Tag.Create("area", "yes")), 1, 2, 3, 1));
// test closed way.
string css = "area { " +
" fill-color: black; " +
"} ";
// create the projection and scene objects.
var mercator = new WebMercator();
Scene2D scene = new Scene2D(new OsmSharp.Math.Geo.Projections.WebMercator(), 16);
// create the projection and scene objects.
scene = new Scene2D(new OsmSharp.Math.Geo.Projections.WebMercator(), 16);
// create the interpreter.
MapCSSInterpreter interpreter = new MapCSSInterpreter(css,
new MapCSSDictionaryImageSource());
interpreter.Translate(scene, mercator, source, source.GetWay(1));
// test the scene contents.
Assert.AreEqual(1, scene.Count);
Primitive2D primitive = scene.Get(0);
Assert.IsInstanceOf <Polygon2D>(primitive);
}
/// <summary>
/// Renders the primities for the given scene.
/// </summary>
/// <param name="target"></param>
/// <param name="scene"></param>
/// <param name="view"></param>
private bool RenderPrimitives(Target2DWrapper <TTarget> target, Scene2D scene, View2D view)
{
// TODO: calculate zoom.
float zoom = (float)view.CalculateZoom(target.Width, target.Height);
// loop over all primitives in the scene.
foreach (Scene2DPrimitive scenePrimitive in scene.Get(view, zoom))
{ // the primitive is visible.
IScene2DPrimitive primitive = scenePrimitive.Primitive;
if (_cancelFlag)
{
return(false); // stop rendering on cancel and return false for an incomplete rendering.
}
if (primitive is Point2D)
{
var point = (Point2D)(primitive);
this.DrawPoint(target, point.X, point.Y, point.Color,
this.FromPixels(target, view, point.Size));
}
else if (primitive is Line2D)
{
var line = (Line2D)(primitive);
this.DrawLine(target, line.X, line.Y, line.Color,
this.FromPixels(target, view, line.Width), line.LineJoin, line.Dashes);
}
else if (primitive is Polygon2D)
{
var polygon = (Polygon2D)(primitive);
this.DrawPolygon(target, polygon.X, polygon.Y, polygon.Color,
this.FromPixels(target, view, polygon.Width), polygon.Fill);
}
else if (primitive is Icon2D)
{
var icon = (Icon2D)(primitive);
this.DrawIcon(target, icon.X, icon.Y, icon.Image);
}
else if (primitive is Image2D)
{
var image = (Image2D)(primitive);
image.Tag = this.DrawImage(target, image.Left, image.Top, image.Right, image.Bottom, image.ImageData,
image.Tag);
}
else if (primitive is Text2D)
{
var text = (Text2D)(primitive);
this.DrawText(target, text.X, text.Y, text.Text, text.Color,
this.FromPixels(target, view, text.Size), text.HaloColor, text.HaloRadius, text.Font);
}
else if (primitive is LineText2D)
{
var lineText = (LineText2D)(primitive);
this.DrawLineText(target, lineText.X, lineText.Y, lineText.Text, lineText.Color,
this.FromPixels(target, view, lineText.Size), lineText.HaloColor, lineText.HaloRadius, lineText.Font);
}
}
return(true);
}
public void TestMapCSSSimpleEval()
{
MemoryDataSource source = new MemoryDataSource(
Node.Create(1, 0, 0),
Node.Create(2, 1, 0),
Node.Create(3, 0, 1),
Way.Create(1, new TagsCollection(
Tag.Create("width", "10")), 1, 2, 3, 1));
// test closed way.
string css = "way { " +
" width: eval(\"tag('width')\"); " +
" color: green; " +
"} ";
// create the projection and scene objects.
var mercator = new WebMercator();
Scene2D scene = new Scene2D(new OsmSharp.Math.Geo.Projections.WebMercator(), 16);
// create the projection and scene objects.
scene = new Scene2D(new OsmSharp.Math.Geo.Projections.WebMercator(), 16);
// create the interpreter.
MapCSSInterpreter interpreter = new MapCSSInterpreter(css,
new MapCSSDictionaryImageSource());
interpreter.Translate(scene, mercator, source, source.GetWay(1));
// test the scene contents.
Assert.AreEqual(1, scene.Count);
Primitive2D primitive = scene.Get(0);
Assert.IsInstanceOf <Line2D>(primitive);
Line2D line = (primitive as Line2D);
Assert.AreEqual(10, line.Width);
}
/// <summary>
/// Returns all the object from this layer visible for the given parameters.
/// </summary>
/// <param name="zoomFactor"></param>
/// <param name="view"></param>
/// <returns></returns>
internal override IEnumerable <Primitive2D> Get(float zoomFactor, View2D view)
{
return(_scene.Get(view, zoomFactor));
}
public void TestCanvasJOSMSettingsCSS()
{
// create CSS.
string css = "canvas { " +
"background-color: white; " +
"default-points: true; " + // adds default points for every node (color: black, size: 2).
"default-lines: true; " + // adds default lines for every way (color: red, width: 1).
"} ";
// create 'test' objects.
Node node1 = new Node();
node1.Id = 1;
node1.Latitude = 1;
node1.Longitude = 1;
Node node2 = new Node();
node2.Id = 2;
node2.Latitude = 2;
node2.Longitude = 2;
Way way = new Way();
way.Id = 1;
way.Nodes = new List <long>();
way.Nodes.Add(1);
way.Nodes.Add(2);
// create the datasource.
MemoryDataSource dataSource = new MemoryDataSource();
dataSource.AddNode(node1);
dataSource.AddNode(node2);
dataSource.AddWay(way);
// create the projection and scene objects.
var mercator = new WebMercator();
Scene2D scene = new Scene2D(new OsmSharp.Math.Geo.Projections.WebMercator(), 16);
// create the interpreter.
MapCSSInterpreter interpreter = new MapCSSInterpreter(css,
new MapCSSDictionaryImageSource());
interpreter.Translate(scene, mercator, dataSource, node1);
interpreter.Translate(scene, mercator, dataSource, node2);
interpreter.Translate(scene, mercator, dataSource, way);
// test the scene contents.
Assert.AreEqual(3, scene.Count);
Assert.AreEqual(SimpleColor.FromKnownColor(KnownColor.White).Value, scene.BackColor);
// test the scene point 1.
Primitive2D primitive = scene.Get(0);
Assert.IsNotNull(primitive);
Assert.IsInstanceOf <Primitive2D>(primitive);
Point2D pointObject = primitive as Point2D;
Assert.AreEqual(2, pointObject.Size);
Assert.AreEqual(SimpleColor.FromKnownColor(KnownColor.Black).Value, pointObject.Color);
Assert.AreEqual(mercator.LongitudeToX(1), pointObject.X);
Assert.AreEqual(mercator.LatitudeToY(1), pointObject.Y);
// test the scene point 2.
primitive = scene.Get(1);
Assert.IsNotNull(primitive);
Assert.IsInstanceOf <Point2D>(primitive);
pointObject = primitive as Point2D;
Assert.AreEqual(2, pointObject.Size);
Assert.AreEqual(SimpleColor.FromKnownColor(KnownColor.Black).Value, pointObject.Color);
Assert.AreEqual(mercator.LongitudeToX(2), pointObject.X);
Assert.AreEqual(mercator.LatitudeToY(2), pointObject.Y);
// test the scene line 2.
primitive = scene.Get(2);
Assert.IsNotNull(primitive);
Assert.IsInstanceOf <Line2D>(primitive);
Line2D line = primitive as Line2D;
Assert.AreEqual(1, line.Width);
Assert.AreEqual(SimpleColor.FromKnownColor(KnownColor.Red).Value, line.Color);
Assert.IsNotNull(line.X);
Assert.IsNotNull(line.Y);
Assert.AreEqual(2, line.X.Length);
Assert.AreEqual(2, line.Y.Length);
Assert.AreEqual(mercator.LongitudeToX(1), line.X[0]);
Assert.AreEqual(mercator.LatitudeToY(1), line.Y[0]);
Assert.AreEqual(mercator.LongitudeToX(2), line.X[1]);
Assert.AreEqual(mercator.LatitudeToY(2), line.Y[1]);
}
