public static CATextLayer RenderLabel(Mapsui.Geometries.Point point, LabelStyle style, IFeature feature, IViewport viewport, string text)
{
// Offset stackOffset,
Mapsui.Geometries.Point p = viewport.WorldToScreen(point);
//var pointF = new xPointF((float)p.X, (float)p.Y);
var label = new CATextLayer ();
var aString = new Foundation.NSAttributedString (text,
new CoreText.CTStringAttributes(){
Font = new CoreText.CTFont("ArialMT", 10)
});
var frame = new CGRect(new CoreGraphics.CGPoint((int)p.X, (int)p.Y), GetSizeForText(0, aString));
//label.Frame = frame;
//frame.Width = (float)(p2.X - p1.X);// + margin);
//frame.Height = (float)(p1.Y - p2.Y);
label.FontSize = 10;
label.ForegroundColor = new CoreGraphics.CGColor (0, 0, 255, 150);
label.BackgroundColor = new CoreGraphics.CGColor (255, 0, 2, 150);
label.String = text;
label.Frame = frame;
Console.WriteLine ("Pos " + label.Frame.X + ":" + label.Frame.Y + " w " + label.Frame.Width + " h " + label.Frame.Height);
// = MonoTouch.UIKit.UIScreen.MainScreen.Scale;
// label.ContentsScale = scale;
return label;
}
public static void PositionMultiPolygon(CALayer shape, MultiPolygon multiPolygon, IStyle style, IViewport viewport)
{
var shapeLayer = shape as CAShapeLayer;
var path = multiPolygon.ToUIKit(viewport);
//var frame = ConvertBoundingBox (multiPolygon.GetBoundingBox(), viewport);
shapeLayer.Path = path.CGPath;
//shape.Frame = frame;
/*
if (viewport.Resolution > MinResolution || viewport.Resolution < MaxResolution) {
//recalculate
var newImage = RenderMultiPolygonOnLayer (multiPolygon, style, viewport);
shape.Contents = newImage.Contents;
shape.Frame = newImage.Frame;
var resolution = ZoomHelper.ClipResolutionToExtremes (Resolutions, viewport.Resolution);
MinResolution = ZoomHelper.ZoomOut (Resolutions, resolution);
MaxResolution = ZoomHelper.ZoomIn (Resolutions, resolution);
} else {
//reposition Geometry
var frame = ConvertBoundingBox (multiPolygon.GetBoundingBox(), viewport);
var newFrame = new RectangleF (frame.X, (frame.Y), frame.Width, frame.Height);
shape.Frame = newFrame;
//shape.Frame = frame;
}
*/
}
public static void Render(Canvas target, IViewport viewport, IEnumerable<ILayer> layers, bool rasterizing)
{
#if !SILVERLIGHT && !NETFX_CORE
target.BeginInit();
#endif
target.Visibility = Visibility.Collapsed;
foreach (var child in target.Children)
{
if (child is Canvas)
{
(child as Canvas).Children.Clear();
}
}
target.Children.Clear();
foreach (var layer in layers)
{
if (!layer.Enabled) continue;
if (layer.MinVisible > viewport.Resolution) continue;
if(layer.MaxVisible < viewport.Resolution) continue;
RenderLayer(target, viewport, layer, rasterizing);
}
target.Arrange(new Rect(0, 0, viewport.Width, viewport.Height));
target.Visibility = Visibility.Visible;
//DrawDebugInfo(target, layers);
#if !SILVERLIGHT && !NETFX_CORE
target.EndInit();
#endif
}
internal static IEnumerable<Point> WorldToScreen(LineString linearRing, IViewport viewport)
{
var v = new Point[linearRing.Vertices.Count];
for (int i = 0; i < linearRing.Vertices.Count; i++)
v[i] = viewport.WorldToScreen(linearRing.Vertices[i]);
return v;
}
public static void Draw(SKCanvas canvas, IViewport viewport, IStyle style, IGeometry geometry)
{
var polygon = (Polygon)geometry;
float lineWidth = 1;
var lineColor = Color.Black; // default
var fillColor = Color.Gray; // default
var vectorStyle = style as VectorStyle;
if (vectorStyle != null)
{
lineWidth = (float) vectorStyle.Outline.Width;
lineColor = vectorStyle.Outline.Color;
fillColor = vectorStyle.Fill?.Color;
}
using (var path = ToSkia(viewport, polygon))
{
using (var paint = new SKPaint())
{
paint.IsAntialias = true;
paint.StrokeWidth = lineWidth;
paint.Style = SKPaintStyle.Fill;
paint.Color = fillColor.ToSkia();
canvas.DrawPath(path, paint);
paint.Style = SKPaintStyle.Stroke;
paint.Color = lineColor.ToSkia();
canvas.DrawPath(path, paint);
}
}
}
public void Tick (IViewport viewport, AGS.API.Size roomSize, AGS.API.Size virtualResoution, bool resetPosition)
{
IObject target = Target == null ? null : Target();
if (!Enabled || target == null) return;
setScale(target, viewport, resetPosition);
//todo: Allow control over which point in the target to follow
float targetX = target.X;//target.CenterPoint == null ? target.X : target.CenterPoint.X;
float targetY = target.Y;//target.CenterPoint == null ? target.Y : target.CenterPoint.Y;
float maxResolutionX = virtualResoution.Width / viewport.ScaleX;
float maxResolutionY = virtualResoution.Height / viewport.ScaleY;
targetX = getTargetPos(targetX, roomSize.Width, maxResolutionX);
targetY = getTargetPos(targetY, roomSize.Height, maxResolutionY);
if (resetPosition)
{
viewport.X = targetX;
viewport.Y = targetY;
return;
}
float newX = getPos (viewport.X, targetX, StartSpeedX, 0.1f, ref _speedX);
float newY = getPos (viewport.Y, targetY, StartSpeedY, 0.1f, ref _speedY);
viewport.X = clamp(newX, roomSize.Width, maxResolutionX);
viewport.Y = clamp(newY, roomSize.Height, maxResolutionY);
}
public static void Draw(Canvas canvas, IViewport viewport, IStyle style, IFeature feature)
{
try
{
if (!feature.RenderedGeometry.ContainsKey(style)) feature.RenderedGeometry[style] = ToAndroidBitmap(feature.Geometry);
var bitmap = (AndroidGraphics.Bitmap)feature.RenderedGeometry[style];
var dest = WorldToScreen(viewport, feature.Geometry.GetBoundingBox());
dest = new BoundingBox(
dest.MinX,
dest.MinY,
dest.MaxX,
dest.MaxY);
var destination = RoundToPixel(dest);
using (var paint = new Paint())
{
canvas.DrawBitmap(bitmap, new Rect(0, 0, bitmap.Width, bitmap.Height), destination, paint);
}
DrawOutline(canvas, style, destination);
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
public static void DrawPolygon(Graphics graphics, Polygon pol, Brush brush, Pen pen, IViewport viewport)
{
if (pol.ExteriorRing == null) return;
if (pol.ExteriorRing.Vertices.Count <= 2) return;
//Use a graphics path instead of DrawPolygon. DrawPolygon has a problem with several interior holes
var gp = new GraphicsPath();
//Add the exterior polygon
var points = GeometryRenderer.WorldToScreenGDI(pol.ExteriorRing, viewport);
if (points.Length > 2)
gp.AddPolygon(points);
//Add the interior polygons (holes)
foreach (LinearRing linearRing in pol.InteriorRings)
{
var interiorPoints = GeometryRenderer.WorldToScreenGDI(linearRing, viewport);
if (interiorPoints.Length > 2)
gp.AddPolygon(interiorPoints);
}
if (gp.PointCount == 0) return;
// Only render inside of polygon if the brush isn't null or isn't transparent
if (brush != null && brush != Brushes.Transparent)
graphics.FillPath(brush, gp);
// Create an outline if a pen style is available
if (pen != null)
graphics.DrawPath(pen, gp);
}
public void Render (IViewport viewport, IEnumerable<ILayer> layers)
{
var layerNames = new List<string> ();
_featuresForLayer = new Dictionary<string, List<IFeature>>();
foreach (var layer in layers)
{
if (layer.Enabled &&
layer.MinVisible <= viewport.Resolution &&
layer.MaxVisible >= viewport.Resolution)
{
var layerName = RenderFeaturesForLayer(viewport, layer);
if(layerName != null)
layerNames.Add (layerName);
//renderQueue.PutLayer (layer.Name, features);
}
}
foreach (var kv in _featuresForLayer) {
renderQueue.PutLayer (kv.Key, kv.Value);
}
renderQueue.ResetQueue (layerNames);
}
public static void Draw(IViewport viewport, IStyle style, IFeature feature)
{
var lineString = ((LineString)feature.Geometry).Vertices;
float lineWidth = 1;
var lineColor = Color.White;
var vectorStyle = style as VectorStyle;
if (vectorStyle != null)
{
lineWidth = (float)vectorStyle.Line.Width;
lineColor = vectorStyle.Line.Color;
}
float[] points = ToOpenTK(lineString);
WorldToScreen(viewport, points);
GL.LineWidth(lineWidth);
GL.Color4((byte)lineColor.R, (byte)lineColor.G, (byte)lineColor.B, (byte)lineColor.A);
GL.EnableClientState(All.VertexArray);
GL.VertexPointer(2, All.Float, 0, points);
GL.DrawArrays(All.Lines, 0, points.Length / 2);
GL.DisableClientState(All.VertexArray);
}
private static string RenderFeaturesForLayer(IViewport viewport, ILayer layer)
{
if (layer.Enabled == false) return null;
/*
if (layer is BasicLayer) {
var renderedFeatures = SymbolRenderer.RenderStackedLabelLayer (viewport, layer as BasicLayer);
if (renderedFeatures != null && renderedFeatures.Count > 0){
renderQueue.PutLayer (layer.Name, renderedFeatures);
return layer.Name;
}
}
else*/ if (layer is LabelLayer) {
var renderedFeatures = LabelRenderer.RenderStackedLabelLayer (viewport, layer as LabelLayer);
if (renderedFeatures != null && renderedFeatures.Count > 0){
renderQueue.PutLayer (layer.Name, renderedFeatures);
return layer.Name;
}
} else {
var renderedFeatures = RenderVectorLayerFeatures (viewport, layer);// new List<CALayer> ();
if (renderedFeatures != null && renderedFeatures.Count > 0){
//renderQueue.PutLayer (layer.Name, renderedFeatures);
_featuresForLayer.Add(layer.Name, renderedFeatures);
return layer.Name;
}
}
return null;
}
private static void IterateLayer(IViewport viewport, ILayer layer,
Action<IViewport, IStyle, IFeature> callback)
{
var features = layer.GetFeaturesInView(viewport.Extent, viewport.RenderResolution).ToList();
var layerStyles = layer.Style is StyleCollection ? (layer.Style as StyleCollection).ToArray() : new [] {layer.Style};
foreach (var layerStyle in layerStyles)
{
var style = layerStyle; // This is the default that could be overridden by an IThemeStyle
foreach (var feature in features)
{
if (layerStyle is IThemeStyle) style = (layerStyle as IThemeStyle).GetStyle(feature);
if ((style == null) || (style.Enabled == false) || (style.MinVisible > viewport.RenderResolution) || (style.MaxVisible < viewport.RenderResolution)) continue;
callback(viewport, style, feature);
}
}
foreach (var feature in features)
{
var featureStyles = feature.Styles ?? Enumerable.Empty<IStyle>();
foreach (var featureStyle in featureStyles)
{
if (feature.Styles != null && featureStyle.Enabled)
{
callback(viewport, featureStyle, feature);
}
}
}
}
public static void Draw(SKCanvas canvas, IViewport viewport, IStyle style, IGeometry geometry)
{
var lineString = ((LineString) geometry).Vertices;
float lineWidth = 1;
var lineColor = new Color();
var vectorStyle = style as VectorStyle;
if (vectorStyle != null)
{
lineWidth = (float) vectorStyle.Line.Width;
lineColor = vectorStyle.Line.Color;
}
var line = WorldToScreen(viewport, lineString);
var path = ToSkia(line);
using (var paint = new SKPaint())
{
paint.IsStroke = true;
paint.StrokeWidth = lineWidth;
paint.Color = lineColor.ToSkia();
paint.StrokeJoin = SKStrokeJoin.Round;
canvas.DrawPath(path, paint);
}
}
public static void Draw(CALayer target, IViewport viewport, IStyle style, IFeature feature)
{
const string styleKey = "laag";
if(feature[styleKey] == null) feature[styleKey] = ToiOSBitmap(feature.Geometry);
var bitmap = (UIImage)feature [styleKey];
var dest = WorldToScreen(viewport, feature.Geometry.GetBoundingBox());
dest = new BoundingBox(
dest.MinX,
dest.MinY,
dest.MaxX,
dest.MaxY);
var destination = RoundToPixel(dest);
var tile = new CALayer
{
Frame = destination,
Contents = bitmap.CGImage,
};
target.AddSublayer(tile);
}
public void Render(IViewport viewport, IEnumerable<ILayer> layers)
{
#if !SILVERLIGHT && !NETFX_CORE
target.BeginInit();
#endif
target.Visibility = Visibility.Collapsed;
foreach (var child in target.Children)
{
if (child is Canvas)
{
(child as Canvas).Children.Clear();
}
}
target.Children.Clear();
foreach (var layer in layers)
{
if (layer.Enabled &&
layer.MinVisible <= viewport.Resolution &&
layer.MaxVisible >= viewport.Resolution)
{
RenderLayer(target, viewport, layer);
}
}
target.Arrange(new Rect(0, 0, viewport.Width, viewport.Height));
target.Visibility = Visibility.Visible;
#if !SILVERLIGHT && !NETFX_CORE
target.EndInit();
#endif
}
public void Render(IViewport viewport, IEnumerable<ILayer> layers)
{
if (targetBitmap == null ||
targetBitmap.PixelWidth != (int)target.ActualWidth ||
targetBitmap.PixelHeight != (int)target.ActualHeight)
{
target.Arrange(new Rect(0, 0, viewport.Width, viewport.Height));
if (target.ActualWidth <= 0 || target.ActualHeight <= 0) return;
target.Children.Clear();
target.Children.Add(InitializeBitmap((int)target.ActualWidth, (int)target.ActualHeight));
}
targetBitmap.Clear(Colors.White);
foreach (var layer in layers)
{
if (layer.Enabled &&
layer.MinVisible <= viewport.Resolution &&
layer.MaxVisible >= viewport.Resolution)
{
RenderLayer(targetBitmap, viewport, layer);
}
}
target.Arrange(new Rect(0, 0, viewport.Width, viewport.Height));
}
public static void Draw(IViewport viewport, IStyle style, IFeature feature)
{
var lineString = ((Polygon)feature.Geometry).ExteriorRing.Vertices;
float lineWidth = 1;
var lineColor = Color.Black; // default
// todo: var fillColor = Color.Gray; // default
var vectorStyle = style as VectorStyle;
if (vectorStyle != null)
{
lineWidth = (float)vectorStyle.Outline.Width;
lineColor = vectorStyle.Outline.Color;
// todo: fillColor = vectorStyle.Fill.Color;
}
float[] points = ToOpenTK(lineString);
WorldToScreen(viewport, points);
// Fill
// Not implemented. It might be hard to draw a concave polygon with holes.
// Outline
GL.LineWidth(lineWidth);
GL.Color4(lineColor.R, lineColor.G, lineColor.B, lineColor.A);
GL.EnableClientState(All.VertexArray);
GL.VertexPointer(2, All.Float, 0, points);
GL.DrawArrays(All.LineLoop, 0, points.Length / 2);
GL.DisableClientState(All.VertexArray);
}
/// <summary>
/// Renders a label to the map.
/// </summary>
/// <param name="graphics">Graphics reference</param>
/// <param name="labelPoint">Label placement</param>
/// <param name="offset">Offset of label in screen coordinates</param>
/// <param name="font">Font used for rendering</param>
/// <param name="forecolor">Font forecolor</param>
/// <param name="backcolor">Background color</param>
/// <param name="halo">Color of halo</param>
/// <param name="rotation">Text rotation in degrees</param>
/// <param name="text">Text to render</param>
/// <param name="viewport"></param>
public static void DrawLabel(Graphics graphics, Point labelPoint, Offset offset, Styles.Font font, Styles.Color forecolor, Styles.Brush backcolor, Styles.Pen halo, double rotation, string text, IViewport viewport, StyleContext context)
{
SizeF fontSize = graphics.MeasureString(text, font.ToGdi(context)); //Calculate the size of the text
labelPoint.X += offset.X; labelPoint.Y += offset.Y; //add label offset
if (Math.Abs(rotation) > Constants.Epsilon && !double.IsNaN(rotation))
{
graphics.TranslateTransform((float)labelPoint.X, (float)labelPoint.Y);
graphics.RotateTransform((float)rotation);
graphics.TranslateTransform(-fontSize.Width / 2, -fontSize.Height / 2);
if (backcolor != null && backcolor.ToGdi(context) != Brushes.Transparent)
graphics.FillRectangle(backcolor.ToGdi(context), 0, 0, fontSize.Width * 0.74f + 1f, fontSize.Height * 0.74f);
var path = new GraphicsPath();
path.AddString(text, new FontFamily(font.FontFamily), (int)font.ToGdi(context).Style, font.ToGdi(context).Size, new System.Drawing.Point(0, 0), null);
if (halo != null)
graphics.DrawPath(halo.ToGdi(context), path);
graphics.FillPath(new SolidBrush(forecolor.ToGdi()), path);
//g.DrawString(text, font, new System.Drawing.SolidBrush(forecolor), 0, 0);
}
else
{
if (backcolor != null && backcolor.ToGdi(context) != Brushes.Transparent)
graphics.FillRectangle(backcolor.ToGdi(context), (float)labelPoint.X, (float)labelPoint.Y, fontSize.Width * 0.74f + 1, fontSize.Height * 0.74f);
var path = new GraphicsPath();
//Arial hack
path.AddString(text, new FontFamily("Arial"), (int)font.ToGdi(context).Style, (float)font.Size, new System.Drawing.Point((int)labelPoint.X, (int)labelPoint.Y), null);
if (halo != null)
graphics.DrawPath(halo.ToGdi(context), path);
graphics.FillPath(new SolidBrush(forecolor.ToGdi()), path);
//g.DrawString(text, font, new System.Drawing.SolidBrush(forecolor), LabelPoint.X, LabelPoint.Y);
}
}
public static UIElement RenderPoint(Point point, IStyle style, IViewport viewport)
{
UIElement symbol;
var matrix = XamlMedia.Matrix.Identity;
if (style is SymbolStyle)
{
var symbolStyle = style as SymbolStyle;
if (symbolStyle.Symbol == null || symbolStyle.Symbol.Data == null)
symbol = CreateSymbolFromVectorStyle(symbolStyle, symbolStyle.Opacity, symbolStyle.SymbolType);
else
symbol = CreateSymbolFromBitmap(symbolStyle.Symbol.Data, symbolStyle.Opacity);
matrix = CreatePointSymbolMatrix(viewport.Resolution, symbolStyle);
}
else
{
symbol = CreateSymbolFromVectorStyle((style as VectorStyle) ?? new VectorStyle());
MatrixHelper.ScaleAt(ref matrix, viewport.Resolution, viewport.Resolution);
}
MatrixHelper.Append(ref matrix, CreateTransformMatrix(point, viewport));
symbol.RenderTransform = new XamlMedia.MatrixTransform { Matrix = matrix };
symbol.IsHitTestVisible = false;
return symbol;
}
public void Render(IViewport viewport, Sprite sprite, Matrix view, Matrix projection, Matrix world, float xScale, float yScale, float rotation)
{
var buffer = BufferManager.Instance.Current;
var image = sprite.CurrentFrame;
var position = new Vector(0, 0, 0);
var transformedPosition = Vector.Transform(position, world, view);
var translatedPosition = Vector.Translate(transformedPosition, projection, viewport.Width, viewport.Height);
var depthBufferAdjustedZ = -transformedPosition.Z / viewport.Camera.DepthDivisor;
var positionOffset = (((int)translatedPosition.X)) + (((int)translatedPosition.Y) * buffer.FrameBuffer.Stride);
var bufferSize = buffer.FrameBuffer.Stride*buffer.Height;
var bufferZ = (UInt32)(depthBufferAdjustedZ * (float)UInt32.MaxValue);
if( depthBufferAdjustedZ < 0f || depthBufferAdjustedZ >= 1f)
{
return;
}
if( xScale != 1f || yScale != 1f )
{
RenderScaled(buffer, positionOffset, sprite.CurrentFrame, translatedPosition, bufferSize, bufferZ, xScale, yScale);
} else
{
RenderUnscaled(buffer,positionOffset,sprite.CurrentFrame,translatedPosition,bufferSize,bufferZ);
}
}
MemoryStream IRenderer.RenderToBitmapStream(IViewport viewport, IEnumerable<ILayer> layers, Color background)
{
UIImage image = null;
var handle = new ManualResetEvent(false);
var view = new UIView();
view.InvokeOnMainThread(() =>
{
try
{
view.Opaque = false;
view.BackgroundColor = new UIColor(background.R, background.G, background.B, background.A);
Render(view, viewport, layers, background);
image = ToImage(view, new CGRect(0, 0, (float)viewport.Width, (float)viewport.Height));
}
catch (Exception ex)
{
Debug.WriteLine($"Exception in {nameof(IRenderer.RenderToBitmapStream)}: {ex}");
}
finally
{
handle.Set();
}
});
handle.WaitOne();
using (var nsdata = image.AsPNG())
{
return new MemoryStream(nsdata.ToArray());
}
}
public static Canvas RenderLabelLayer(IViewport viewport, LabelLayer layer)
{
var canvas = new Canvas { Opacity = layer.Opacity };
// todo: take into account the priority
var features = layer.GetFeaturesInView(viewport.Extent, viewport.Resolution).ToList();
var layerStyles = BaseLayer.GetLayerStyles(layer);
foreach (var layerStyle in layerStyles)
{
foreach (var feature in features)
{
var style = (layerStyle is IThemeStyle) ? (layerStyle as IThemeStyle).GetStyle(feature) : layerStyle;
if ((style == null) ||
(style.Enabled == false) ||
(style.MinVisible > viewport.Resolution) ||
(style.MaxVisible < viewport.Resolution)) continue;
if (!(style is LabelStyle)) throw new Exception("Style of label is not a LabelStyle");
var labelStyle = style as LabelStyle;
labelStyle.Text = layer.GetLabelText(feature);
var postion = feature.Geometry.GetBoundingBox().GetCentroid();
var labelText = labelStyle.GetLabelText(feature);
canvas.Children.Add(SingleLabelRenderer.RenderLabel(postion, labelStyle, viewport, labelText));
}
}
return canvas;
}
public byte[] RenderMapAsByteArray(IViewport viewport, Map map)
{
Image image = RenderMapAsImage(viewport, map);
var memoryStream = new MemoryStream();
image.Save(memoryStream, ImageFormat.Bmp);
return memoryStream.ToArray();
}
public static void Render(Graphics graphics, IViewport viewport, Map map, AbortRenderDelegate abortRender)
{
foreach (var layer in map.Layers)
{
if (layer.Enabled &&
layer.MinVisible <= viewport.Resolution &&
layer.MaxVisible >= viewport.Resolution)
{
if (layer is LabelLayer)
{
//!!!GdiLabelRenderer.Render(graphics, view, layer as LabelLayer);
}
else if (layer is ITileLayer)
{
var tileLayer = (layer as ITileLayer);
GdiTileRenderer.Render(graphics, tileLayer.Schema, viewport, tileLayer.MemoryCache);
}
else
{
RenderLayer(graphics, viewport, layer, abortRender);
}
}
if (abortRender != null && abortRender()) return;
}
}
public static void Draw(IViewport viewport, IStyle style, IFeature feature, IDictionary<object, TextureInfo> TextureCache, long currentIteration)
{
try
{
var raster = (IRaster)feature.Geometry;
TextureInfo textureInfo;
if (!TextureCache.Keys.Contains(raster))
{
textureInfo = TextureHelper.LoadTexture(raster.Data);
TextureCache[raster] = textureInfo;
}
else
{
textureInfo = TextureCache[raster];
}
textureInfo.IterationUsed = currentIteration;
TextureCache[raster] = textureInfo;
var destination = WorldToScreen(viewport, feature.Geometry.GetBoundingBox());
TextureHelper.RenderTexture(textureInfo.TextureId, ToVertexArray(RoundToPixel(destination)));
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
public static UIBezierPath ToUIKit(this IEnumerable<LinearRing> linearRings, IViewport viewport)
{
var pathGeometry = new UIBezierPath();
foreach (var linearRing in linearRings)
pathGeometry.AppendPath(CreatePathFigure(linearRing, viewport));
return pathGeometry;
}
/// <summary>
/// This is called when the game should draw itself.
/// </summary>
public void Draw(Map map, IViewport viewport, GameTime gameTime)
{
if (spriteBatch == null) spriteBatch = new SpriteBatch(game.GraphicsDevice);
game.GraphicsDevice.Clear(Color.LightGray);
spriteBatch.Begin();
foreach (var layer in map.Layers)
{
foreach (var feature in layer.GetFeaturesInView(viewport.Extent, viewport.Resolution))
{
if (feature.Geometry is IRaster)
{
var raster = (feature.Geometry as IRaster);
var destination = ToXna(RoundToPixel(WorldToScreen(viewport, raster.GetBoundingBox())));
var source = new Rectangle(0, 0, 256, 256);
raster.Data.Position = 0;
if (!feature.RenderedGeometry.Keys.Contains(new VectorStyle()))
{
feature.RenderedGeometry[new VectorStyle()] = Texture2D.FromStream(game.GraphicsDevice, raster.Data);
}
spriteBatch.Draw(feature.RenderedGeometry[new VectorStyle()] as Texture2D, destination, source, Color.White);
}
}
}
spriteBatch.End();
}
private static SKPath ToSkia(IViewport viewport, Polygon polygon)
{
var vertices = polygon.ExteriorRing.Vertices;
var path = new SKPath();
{
// todo: use transform matrix
var first = viewport.WorldToScreen(vertices[0].X, vertices[0].Y);
path.MoveTo((float)first.X, (float) first.Y);
for (var i = 1; i < vertices.Count; i++)
{
var point = viewport.WorldToScreen(vertices[i].X, vertices[i].Y);
path.LineTo((float) point.X, (float) point.Y);
}
path.Close();
foreach (var interiorRing in polygon.InteriorRings)
{
// note: For Skia inner rings need to be clockwise and outer rings
// need to be counter clockwise (if this is the other way around it also
// seems to work)
// this is not a requirement of the OGC polygon.
var firstInner = viewport.WorldToScreen(interiorRing.Vertices[0].X, interiorRing.Vertices[0].Y);
path.MoveTo((float)firstInner.X, (float)firstInner.Y);
for (var i = 1; i < interiorRing.Vertices.Count; i++)
{
var point = viewport.WorldToScreen(interiorRing.Vertices[i].X, interiorRing.Vertices[i].Y);
path.LineTo((float)point.X, (float)point.Y);
}
}
path.Close();
return path;
}
}
public static UIBezierPath ToUIKit(this MultiLineString multiLineString, IViewport viewport)
{
var group = new UIBezierPath();
foreach (LineString lineString in multiLineString)
group.AppendPath(ToUIKit(lineString, viewport));
return group;
}
public void RenderGeometry(MultiPolygon multiPolygon, IStyle style, IFeature feature, IViewport viewport)
{
if (_bgWorker == null)
_bgWorker = new BackgroundWorker();
/*
while (_bgWorker.IsBusy) {
Thread.Sleep (00001);
}
*/
_bgWorker.RunWorkerCompleted += (sender, e) =>
{
var layer = e.Result as CALayer;
if (layer != null)
{
var styleKey = style.GetHashCode().ToString();
feature[styleKey] = layer;
}
};
_bgWorker.DoWork += delegate(object sender, DoWorkEventArgs e)
{
var layer = RenderImage(multiPolygon, style, viewport);
e.Result = layer;
};
_bgWorker.RunWorkerAsync();
}
public bool TryGetMap(IViewport viewport, ref IRaster raster)
{
int width;
int height;
try
{
width = Convert.ToInt32(viewport.Width);
height = Convert.ToInt32(viewport.Height);
}
catch (OverflowException)
{
Debug.WriteLine("Could not convert double to int (ExportMap size)");
return(false);
}
var uri = new Uri(GetRequestUrl(viewport.Extent, width, height));
var webRequest = (HttpWebRequest)WebRequest.Create(uri);
if (Credentials == null)
{
webRequest.UseDefaultCredentials = true;
}
else
{
webRequest.Credentials = Credentials;
}
try
{
var myWebResponse = webRequest.GetSyncResponse(_timeOut);
using (var dataStream = myWebResponse.GetResponseStream())
{
try
{
var bytes = BruTile.Utilities.ReadFully(dataStream);
raster = new Raster(new MemoryStream(bytes), viewport.Extent);
}
catch (Exception)
{
return(false);
}
}
return(true);
}
catch (WebException webEx)
{
if (!ContinueOnError)
{
throw (new RenderException(
"There was a problem connecting to the ArcGISImage server",
webEx));
}
Debug.WriteLine("There was a problem connecting to the WMS server: " + webEx.Message);
}
catch (Exception ex)
{
if (!ContinueOnError)
{
throw (new RenderException("There was a problem while attempting to request the WMS", ex));
}
Debug.WriteLine("There was a problem while attempting to request the WMS" + ex.Message);
}
return(false);
}
public static void DrawRaster(Graphics graphics, IGeometry feature, IStyle style, IViewport viewport)
{
var stream = ((IRaster)feature).Data;
stream.Position = 0;
var bitmap = new Bitmap(stream);
Point min = viewport.WorldToScreen(new Point(feature.GetBoundingBox().MinX, feature.GetBoundingBox().MinY));
Point max = viewport.WorldToScreen(new Point(feature.GetBoundingBox().MaxX, feature.GetBoundingBox().MaxY));
Rectangle destination = RoundToPixel(new RectangleF((float)min.X, (float)max.Y, (float)(max.X - min.X), (float)(min.Y - max.Y)));
graphics.DrawImage(bitmap,
destination,
0, 0, bitmap.Width, bitmap.Height,
GraphicsUnit.Pixel,
new ImageAttributes());
if (DeveloperTools.DeveloperMode)
{
var font = new System.Drawing.Font("Arial", 12);
var message = (GC.GetTotalMemory(true) / 1000).ToString(CultureInfo.InvariantCulture) + " KB";
graphics.DrawString(message, font, new SolidBrush(Color.Black), 10f, 10f);
}
bitmap.Dispose();
}
public static System.Windows.Shapes.Shape RenderPolygon(Polygon polygon, IStyle style, IViewport viewport, SymbolCache symbolCache)
{
if (!(style is VectorStyle))
{
throw new ArgumentException("Style is not of type VectorStyle");
}
var vectorStyle = style as VectorStyle;
System.Windows.Shapes.Path path = CreatePolygonPath(vectorStyle, viewport.Resolution, symbolCache, (float)viewport.Rotation);
path.Data = polygon.ToXaml();
var matrixTransform = new System.Windows.Media.MatrixTransform {
Matrix = GeometryRenderer.CreateTransformMatrix1(viewport)
};
path.RenderTransform = matrixTransform;
if (path.Fill != null)
{
path.Fill.Transform = matrixTransform.Inverse as System.Windows.Media.MatrixTransform;
}
path.UseLayoutRounding = true;
return(path);
}
public void Render(RenderContext context, IViewport target, CommandList cl, IRenderable renderable, ILocation locationObject)
{
//
}
public void SetupFrame(RenderContext context, IViewport target)
{
//
}
public static void DrawLineString(Graphics graphics, LineString line, Pen pen, IViewport viewport)
{
if (line.Vertices.Count > 1)
{
var gp = new GraphicsPath();
gp.AddLines(ConvertPoints(WorldToScreen(line, viewport)));
graphics.DrawPath(pen, gp);
}
}
public static void DrawMultiLineString(Graphics graphics, MultiLineString lines, Pen pen, IViewport viewport)
{
foreach (LineString t in lines.LineStrings)
{
DrawLineString(graphics, t, pen, viewport);
}
}
public static void DrawMultiPoint(Graphics graphics, MultiPoint points, Styles.IStyle style, IViewport viewport)
{
foreach (Point point in points)
{
DrawPoint(graphics, point, style, viewport);
}
}
public static Point WorldToScreen(Point point, IViewport viewport)
{
return(viewport.WorldToScreen(point));
}
/// <summary>
/// Renders a label to the map.
/// </summary>
/// <param name="graphics">Graphics reference</param>
/// <param name="labelPoint">Label placement</param>
/// <param name="offset">Offset of label in screen coordinates</param>
/// <param name="font">Font used for rendering</param>
/// <param name="forecolor">Font forecolor</param>
/// <param name="backcolor">Background color</param>
/// <param name="halo">Color of halo</param>
/// <param name="rotation">Text rotation in degrees</param>
/// <param name="text">Text to render</param>
/// <param name="viewport"></param>
public static void DrawLabel(Graphics graphics, Point labelPoint, Styles.Offset offset, Styles.Font font, Styles.Color forecolor, Styles.Brush backcolor, Styles.Pen halo, double rotation, string text, IViewport viewport)
{
SizeF fontSize = graphics.MeasureString(text, font.ToBitmap()); //Calculate the size of the text
labelPoint.X += offset.X; labelPoint.Y += offset.Y; //add label offset
if (rotation != 0 && !double.IsNaN(rotation))
{
graphics.TranslateTransform((float)labelPoint.X, (float)labelPoint.Y);
graphics.RotateTransform((float)rotation);
graphics.TranslateTransform(-fontSize.Width / 2, -fontSize.Height / 2);
if (backcolor != null && backcolor.ToBitmap() != Brushes.Transparent)
{
graphics.FillRectangle(backcolor.ToBitmap(), 0, 0, fontSize.Width * 0.74f + 1f, fontSize.Height * 0.74f);
}
var path = new GraphicsPath();
path.AddString(text, new FontFamily(font.FontFamily), (int)font.ToBitmap().Style, font.ToBitmap().Size, new System.Drawing.Point(0, 0), null);
if (halo != null)
{
graphics.DrawPath(halo.ToBitmap(), path);
}
graphics.FillPath(new SolidBrush(forecolor.ToBitmap()), path);
//g.DrawString(text, font, new System.Drawing.SolidBrush(forecolor), 0, 0);
}
else
{
if (backcolor != null && backcolor.ToBitmap() != Brushes.Transparent)
{
graphics.FillRectangle(backcolor.ToBitmap(), (float)labelPoint.X, (float)labelPoint.Y, fontSize.Width * 0.74f + 1, fontSize.Height * 0.74f);
}
var path = new GraphicsPath();
//Arial hack
path.AddString(text, new FontFamily("Arial"), (int)font.ToBitmap().Style, (float)font.Size, new System.Drawing.Point((int)labelPoint.X, (int)labelPoint.Y), null);
if (halo != null)
{
graphics.DrawPath(halo.ToBitmap(), path);
}
graphics.FillPath(new SolidBrush(forecolor.ToBitmap()), path);
//g.DrawString(text, font, new System.Drawing.SolidBrush(forecolor), LabelPoint.X, LabelPoint.Y);
}
}
public static void DrawMultiPolygon(Graphics graphics, MultiPolygon pols, Brush brush, Pen pen, IViewport viewport)
{
foreach (Polygon t in pols.Polygons)
{
DrawPolygon(graphics, t, brush, pen, viewport);
}
}
public static void DrawPolygon(Graphics graphics, Polygon pol, Brush brush, Pen pen, IViewport viewport)
{
if (pol.ExteriorRing == null)
{
return;
}
if (pol.ExteriorRing.Vertices.Count > 2)
{
//Use a graphics path instead of DrawPolygon. DrawPolygon has a problem with several interior holes
var gp = new GraphicsPath();
//Add the exterior polygon
gp.AddPolygon(ConvertPoints(WorldToScreen(pol.ExteriorRing, viewport)));
//Add the interior polygons (holes)
foreach (LinearRing linearRing in pol.InteriorRings)
{
gp.AddPolygon(ConvertPoints(WorldToScreen(linearRing, viewport)));
}
// Only render inside of polygon if the brush isn't null or isn't transparent
if (brush != null && brush != Brushes.Transparent)
{
graphics.FillPath(brush, gp);
}
// Create an outline if a pen style is available
if (pen != null)
{
graphics.DrawPath(pen, gp);
}
}
}
private double CalculateResolutionAtWhichMapFillsViewport(IViewport viewport, BoundingBox mapEnvelope)
{
return(Math.Min(mapEnvelope.Width / viewport.Width, mapEnvelope.Height / viewport.Height));
}
public MemoryStream RenderToBitmapStream(IViewport viewport, IEnumerable <ILayer> layers)
{
throw new NotImplementedException();
}
public Boolean CollidesWith(Single x, Single y, IViewport viewport)
{
return(_colliderComponent.CollidesWith(x, y, viewport));
}
public AGSBoundingBoxes GetBoundingBoxes(IViewport viewport)
{
return(_boundingBoxComponent.GetBoundingBoxes(viewport));
}
private static Canvas RenderVectorLayer(IViewport viewport, ILayer layer, bool rasterizing = false)
{
// todo:
// find solution for try catch. Sometimes this method will throw an exception
// when clearing and adding features to a layer while rendering
var canvas = new Canvas
{
Opacity = layer.Opacity,
IsHitTestVisible = false
};
try
{
var features = layer.GetFeaturesInView(viewport.Extent, viewport.RenderResolution).ToList();
var layerStyles = BaseLayer.GetLayerStyles(layer);
var brushCache = new BrushCache();
foreach (var layerStyle in layerStyles)
{
var style = layerStyle; // This is the default that could be overridden by an IThemeStyle
foreach (var feature in features)
{
if (layerStyle is IThemeStyle)
{
style = (layerStyle as IThemeStyle).GetStyle(feature);
}
if ((style == null) || (style.Enabled == false) || (style.MinVisible > viewport.Resolution) ||
(style.MaxVisible < viewport.Resolution))
{
continue;
}
RenderFeature(viewport, canvas, feature, style, rasterizing, brushCache);
}
}
foreach (var feature in features)
{
var styles = feature.Styles ?? Enumerable.Empty <IStyle>();
foreach (var style in styles)
{
if ((feature.Styles != null) && style.Enabled)
{
RenderFeature(viewport, canvas, feature, style, rasterizing, brushCache);
}
}
}
return(canvas);
}
catch (Exception ex)
{
Logger.LogDelegate(LogLevel.Error, "Unexpected error in renderer", ex);
return(canvas);
// If exception happens inside RenderFeature function after
// at -least one child has been added to the canvas,
// returning new canvas will leave the previously created (but
// not yet added to parent canvas) canvas abandoned, that will
// cause the exception when resuing RenderedGeometry object, because
// at -least one RenderedGeometry was attached to that abandoned canvas.
// returning the same canvas will solve this error, as it will
// be clear this canvas childs on next render call.
// return new Canvas { IsHitTestVisible = false };
}
}
public void Render(object target, IViewport viewport, IEnumerable <ILayer> layers, Color background)
{
Render((Canvas)target, viewport, layers, background, false);
}
public static void PositionPoint(UIElement renderedGeometry, Point point, IStyle style, IViewport viewport)
{
var matrix = XamlMedia.Matrix.Identity;
var symbolStyle = style as SymbolStyle;
if (symbolStyle != null)
{
matrix = CreatePointSymbolMatrix(viewport.Resolution, viewport.Rotation, symbolStyle);
}
else
{
MatrixHelper.ScaleAt(ref matrix, viewport.Resolution, viewport.Resolution);
}
MatrixHelper.Append(ref matrix, GeometryRenderer.CreateTransformMatrix(point, viewport));
renderedGeometry.RenderTransform = new XamlMedia.MatrixTransform {
Matrix = matrix
};
}
public static void Draw(SKCanvas canvas, IViewport viewport, IStyle style, IFeature feature, IGeometry geometry,
float opacity, SymbolCache symbolCache = null)
{
if (style is LabelStyle)
{
var worldCenter = geometry.GetBoundingBox().GetCentroid();
var center = viewport.WorldToScreen(worldCenter);
LabelRenderer.Draw(canvas, (LabelStyle)style, feature, (float)center.X, (float)center.Y, opacity);
}
else
{
var polygon = (Polygon)geometry;
float lineWidth = 1;
var lineColor = Color.Black; // default
var fillColor = Color.Gray; // default
var strokeCap = PenStrokeCap.Butt; // default
var strokeJoin = StrokeJoin.Miter; // default
var strokeMiterLimit = 4f; // default
var strokeStyle = PenStyle.Solid; // default
float[] dashArray = null; // default
var vectorStyle = style as VectorStyle;
if (vectorStyle != null)
{
lineWidth = (float)vectorStyle.Outline.Width;
lineColor = vectorStyle.Outline.Color;
strokeCap = vectorStyle.Outline.PenStrokeCap;
strokeJoin = vectorStyle.Outline.StrokeJoin;
strokeMiterLimit = vectorStyle.Outline.StrokeMiterLimit;
strokeStyle = vectorStyle.Outline.PenStyle;
dashArray = vectorStyle.Outline.DashArray;
fillColor = vectorStyle.Fill?.Color;
}
using (var path = ToSkia(viewport, polygon))
{
using (var paint = new SKPaint())
{
paint.IsAntialias = true;
// Is there a FillStyle?
if (vectorStyle.Fill?.FillStyle == FillStyle.Solid)
{
paint.StrokeWidth = lineWidth;
paint.Style = SKPaintStyle.Fill;
paint.Color = fillColor.ToSkia(opacity);
canvas.DrawPath(path, paint);
}
else
{
paint.StrokeWidth = 1;
paint.Style = SKPaintStyle.Stroke;
paint.Color = fillColor.ToSkia(opacity);
float scale = 10.0f;
SKPath fillPath = new SKPath();
SKMatrix matrix = SKMatrix.MakeScale(scale, scale);
switch (vectorStyle.Fill?.FillStyle)
{
case FillStyle.Cross:
fillPath.MoveTo(scale * 0.8f, scale * 0.8f);
fillPath.LineTo(0, 0);
fillPath.MoveTo(0, scale * 0.8f);
fillPath.LineTo(scale * 0.8f, 0);
paint.PathEffect = SKPathEffect.Create2DPath(matrix, fillPath);
break;
case FillStyle.DiagonalCross:
fillPath.MoveTo(scale, scale);
fillPath.LineTo(0, 0);
fillPath.MoveTo(0, scale);
fillPath.LineTo(scale, 0);
paint.PathEffect = SKPathEffect.Create2DPath(matrix, fillPath);
break;
case FillStyle.BackwardDiagonal:
fillPath.MoveTo(0, scale);
fillPath.LineTo(scale, 0);
paint.PathEffect = SKPathEffect.Create2DPath(matrix, fillPath);
break;
case FillStyle.ForwardDiagonal:
fillPath.MoveTo(scale, scale);
fillPath.LineTo(0, 0);
paint.PathEffect = SKPathEffect.Create2DPath(matrix, fillPath);
break;
case FillStyle.Dotted:
paint.Style = SKPaintStyle.StrokeAndFill;
fillPath.AddCircle(scale * 0.5f, scale * 0.5f, scale * 0.35f);
paint.PathEffect = SKPathEffect.Create2DPath(matrix, fillPath);
break;
case FillStyle.Horizontal:
fillPath.MoveTo(0, scale * 0.5f);
fillPath.LineTo(scale, scale * 0.5f);
paint.PathEffect = SKPathEffect.Create2DPath(matrix, fillPath);
break;
case FillStyle.Vertical:
fillPath.MoveTo(scale * 0.5f, 0);
fillPath.LineTo(scale * 0.5f, scale);
paint.PathEffect = SKPathEffect.Create2DPath(matrix, fillPath);
break;
case FillStyle.Bitmap:
paint.Style = SKPaintStyle.Fill;
paint.Shader = symbolCache.GetOrCreate(vectorStyle.Fill.BitmapId).Bitmap.ToShader(SKShaderTileMode.Repeat, SKShaderTileMode.Repeat);
break;
case FillStyle.BitmapRotated:
paint.Style = SKPaintStyle.Fill;
SKImage bitmap = symbolCache.GetOrCreate(vectorStyle.Fill.BitmapId).Bitmap;
paint.Shader = bitmap.ToShader(SKShaderTileMode.Repeat,
SKShaderTileMode.Repeat,
SKMatrix.MakeRotation((float)(viewport.Rotation * System.Math.PI / 180.0f), bitmap.Width >> 1, bitmap.Height >> 1));
break;
}
// Do this, because if not, path isn't filled complete
using (new SKAutoCanvasRestore(canvas))
{
canvas.ClipPath(path);
var bounds = path.Bounds;
// Make sure, that the brush starts with the correct position
var inflate = ((int)path.Bounds.Width * 0.3f / scale) * scale;
bounds.Inflate(inflate, inflate);
// Draw rect with bigger size, which is clipped by path
canvas.DrawRect(bounds, paint);
}
}
}
using (var paint = new SKPaint())
{
paint.IsAntialias = true;
paint.Style = SKPaintStyle.Stroke;
paint.StrokeWidth = lineWidth;
paint.Color = lineColor.ToSkia(opacity);
paint.StrokeCap = strokeCap.ToSkia();
paint.StrokeJoin = strokeJoin.ToSkia();
paint.StrokeMiter = strokeMiterLimit;
if (strokeStyle != PenStyle.Solid)
{
paint.PathEffect = strokeStyle.ToSkia(lineWidth, dashArray);
}
canvas.DrawPath(path, paint);
}
}
}
}
private static XamlMedia.Geometry ConvertSymbol(Point point, SymbolStyle style, IViewport viewport)
{
Point p = viewport.WorldToScreen(point);
var rect = new XamlMedia.RectangleGeometry();
if (style.BitmapId >= 0)
{
var bitmapImage = BitmapRegistry.Instance.Get(style.BitmapId).CreateBitmapImage();
var width = bitmapImage.PixelWidth * style.SymbolScale;
var height = bitmapImage.PixelHeight * style.SymbolScale;
rect.Rect = new Rect(p.X - width * 0.5, p.Y - height * 0.5, width, height);
}
return(rect);
}
public Navigator(Map map, IViewport viewport)
{
_map = map;
_viewport = viewport;
}
public static Tween TweenAngle(this IViewport viewport, float toAngle, float timeInSeconds, Func <float, float> easing = null)
{
return(Tween.Run(viewport.Angle, toAngle, a => viewport.Angle = a, timeInSeconds, easing));
}
public void Render(IViewport viewport, OrthographicCamera camera, Vector3 worldMin, Vector3 worldMax, I2DRenderer im)
{
//
}
private void Render(Canvas target, IViewport viewport, IEnumerable <ILayer> layers)
{
Render(target, viewport, layers, _symbolCache, false);
}
public static Tween TweenX(this IViewport viewport, float toX, float timeInSeconds, Func <float, float> easing = null)
{
return(Tween.Run(viewport.X, toX, x => viewport.X = x, timeInSeconds, easing));
}
private static XamlMedia.Matrix CreateTransformMatrix1(IViewport viewport)
{
return(CreateTransformMatrix(new Point(0, 0), viewport));
}
public static Tween TweenScaleY(this IViewport viewport, float toScaleY, float timeInSeconds, Func <float, float> easing = null)
{
return(Tween.Run(viewport.ScaleY, toScaleY, y => viewport.ScaleY = y, timeInSeconds, easing));
}
public static void PositionRaster(UIElement renderedGeometry, BoundingBox boundingBox, IViewport viewport)
{
UpdateRenderTransform(renderedGeometry, viewport);
// since the render transform will take care of the rotation, calculate top-left using unrotated viewport
var topLeft = viewport.WorldToScreenUnrotated(boundingBox.TopLeft);
var rectWidthPixels = boundingBox.Width / viewport.Resolution;
var rectHeightPixels = boundingBox.Height / viewport.Resolution;
((XamlMedia.RectangleGeometry)((XamlShapes.Path)renderedGeometry).Data).Rect =
RoundToPixel(new Rect(topLeft.X, topLeft.Y, rectWidthPixels, rectHeightPixels));
}
public static Canvas Render(IViewport viewport, LabelLayer layer)
{
throw new NotImplementedException();
}