private void processTheme(string s)
{
XmlDocument doc = new XmlDocument();
doc.LoadXml(s);
XmlElement root = doc.DocumentElement;
XmlNamespaceManager nsmgr = new XmlNamespaceManager(doc.NameTable);
nsmgr.AddNamespace("x", root.NamespaceURI);
XmlNodeList strngs = root.SelectNodes("x:rule", nsmgr);
if (strngs != null)
{
foreach (XmlNode sn in strngs)
{
RenderInfo ri = new RenderInfo();
ri.Parent = null;
_renderInfoList.Add(ri);
processRule(ri, sn, nsmgr);
}
}
}
private void processTheme(string s)
{
XmlDocument doc = new XmlDocument();
doc.LoadXml(s);
XmlElement root = doc.DocumentElement;
XmlNamespaceManager nsmgr = new XmlNamespaceManager(doc.NameTable);
nsmgr.AddNamespace("x", root.NamespaceURI);
XmlNodeList strngs = root.SelectNodes("x:rule", nsmgr);
if (strngs != null)
{
foreach (XmlNode sn in strngs)
{
RenderInfo ri = new RenderInfo();
ri.Parent = null;
_renderInfoList.Add(ri);
processRule(ri, sn, nsmgr);
}
}
}
private void processRule(RenderInfo ri, XmlNode n, XmlNamespaceManager nsmgr)
{
//get target
ri.entity = n.Attributes["e"].Value;
ri.key = n.Attributes["k"].Value;
ri.value = n.Attributes["v"].Value;
ri.zoom_min = getSafeAttribute(n, "zoom-min");
ri.closed = getSafeAttribute(n, "closed");
ri.keys = ri.key.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
ri.values = ri.value.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
if (!string.IsNullOrEmpty(ri.zoom_min))
{
ri.izoom_min = int.Parse(ri.zoom_min);
}
else
{
ri.izoom_min = 0;
}
if (!string.IsNullOrEmpty(ri.zoom_max))
{
ri.izoom_max = int.Parse(ri.zoom_max);
}
else
{
ri.izoom_max = 255;
}
//get theme properties (if any)
XmlNode el = n.SelectSingleNode("x:line", nsmgr);
if (el != null)
{
ri.tag = "line";
}
else
{
el = n.SelectSingleNode("x:area", nsmgr);
if (el != null)
{
ri.tag = "area";
}
else
{
el = n.SelectSingleNode("x:caption", nsmgr);
if (el != null)
{
ri.tag = "caption";
}
else
{
el = n.SelectSingleNode("x:symbol", nsmgr);
if (el != null)
{
ri.tag = "symbol";
}
else
{
el = n.SelectSingleNode("x:circle", nsmgr);
if (el != null)
{
ri.tag = "circle";
}
}
}
}
}
if (el != null)
{
ri.stroke = getSafeAttribute(el, "stroke");
ri.stroke_width = getSafeAttribute(el, "stroke-width");
ri.stroke_dasharray = getSafeAttribute(el, "stroke-dasharray");
ri.stroke_linecap = getSafeAttribute(el, "stroke-linecap");
ri.fill = getSafeAttribute(el, "fill");
ri.src = getSafeAttribute(el, "src");
ri.k = getSafeAttribute(el, "k");
ri.font_size = getSafeAttribute(el, "font-size");
ri.font_style = getSafeAttribute(el, "font-style");
ri.r = getSafeAttribute(el, "r");
if (!string.IsNullOrEmpty(ri.stroke))
{
ri.Pen = new Pen(System.Drawing.ColorTranslator.FromHtml(ri.stroke));
}
if (ri.Pen != null && !string.IsNullOrEmpty(ri.stroke_width))
{
ri.fstroke_width = (float)Utils.Conversion.StringToDouble(ri.stroke_width);
ri.Pen.Width = ri.fstroke_width;
}
if (ri.Pen != null && !string.IsNullOrEmpty(ri.stroke_dasharray))
{
string[] sp = ri.stroke_dasharray.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
ri.Pen.DashPattern = (from s in sp select(float) int.Parse(s)).ToArray();
}
if (ri.Pen != null && !string.IsNullOrEmpty(ri.stroke_linecap))
{
}
if (ri.tag == "line" && !string.IsNullOrEmpty(ri.fill))
{
ri.FillPen = new Pen(System.Drawing.ColorTranslator.FromHtml(ri.fill));
}
if (!string.IsNullOrEmpty(ri.fill))
{
ri.Brush = new SolidBrush(System.Drawing.ColorTranslator.FromHtml(ri.fill));
}
if (ri.tag == "area" && ri.Brush == null && !string.IsNullOrEmpty(ri.src))
{
try
{
string fn = ri.src.Replace("jar:", "");
if (File.Exists(fn))
{
using (Bitmap img = (Bitmap)Image.FromFile(fn, true))
{
ri.Brush = new TextureBrush(img);
(ri.Brush as TextureBrush).WrapMode = System.Drawing.Drawing2D.WrapMode.Tile;
}
}
else
{
fn = Path.GetFileName(ri.src);
using (Bitmap img = (Bitmap)Image.FromStream(Assembly.GetExecutingAssembly().GetManifestResourceStream(string.Format("GAPPSF.MapProviders.OSMBinMap.patterns.{0}", fn))))
{
ri.Brush = new TextureBrush(img);
(ri.Brush as TextureBrush).WrapMode = System.Drawing.Drawing2D.WrapMode.Tile;
}
}
}
catch
{
}
}
if (ri.tag == "symbol" && !string.IsNullOrEmpty(ri.src))
{
try
{
string fn = ri.src.Replace("jar:", "");
if (File.Exists(fn))
{
ri.Symbol = Image.FromFile(fn, true);
}
else
{
fn = Path.GetFileName(ri.src);
ri.Symbol = Image.FromStream(Assembly.GetExecutingAssembly().GetManifestResourceStream(string.Format("GAPPSF.MapProviders.OSMBinMap.symbols.{0}", fn)));
}
}
catch
{
}
}
}
//check children
XmlNodeList strngs = n.SelectNodes("x:rule", nsmgr);
foreach (XmlNode sn in strngs)
{
RenderInfo r = new RenderInfo();
ri.Children.Add(r);
r.Parent = ri;
processRule(r, sn, nsmgr);
}
}
private void processRule(RenderInfo ri, XmlNode n, XmlNamespaceManager nsmgr)
{
//get target
ri.entity = n.Attributes["e"].Value;
ri.key = n.Attributes["k"].Value;
ri.value = n.Attributes["v"].Value;
ri.zoom_min = getSafeAttribute(n, "zoom-min");
ri.closed = getSafeAttribute(n, "closed");
ri.keys = ri.key.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
ri.values = ri.value.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
if (!string.IsNullOrEmpty(ri.zoom_min))
{
ri.izoom_min = int.Parse(ri.zoom_min);
}
else
{
ri.izoom_min = 0;
}
if (!string.IsNullOrEmpty(ri.zoom_max))
{
ri.izoom_max = int.Parse(ri.zoom_max);
}
else
{
ri.izoom_max = 255;
}
//get theme properties (if any)
XmlNode el = n.SelectSingleNode("x:line", nsmgr);
if (el != null)
{
ri.tag = "line";
}
else
{
el = n.SelectSingleNode("x:area", nsmgr);
if (el != null)
{
ri.tag = "area";
}
else
{
el = n.SelectSingleNode("x:caption", nsmgr);
if (el != null)
{
ri.tag = "caption";
}
else
{
el = n.SelectSingleNode("x:symbol", nsmgr);
if (el != null)
{
ri.tag = "symbol";
}
else
{
el = n.SelectSingleNode("x:circle", nsmgr);
if (el != null)
{
ri.tag = "circle";
}
}
}
}
}
if (el != null)
{
ri.stroke = getSafeAttribute(el, "stroke");
ri.stroke_width = getSafeAttribute(el, "stroke-width");
ri.stroke_dasharray = getSafeAttribute(el, "stroke-dasharray");
ri.stroke_linecap = getSafeAttribute(el, "stroke-linecap");
ri.fill = getSafeAttribute(el, "fill");
ri.src = getSafeAttribute(el, "src");
ri.k = getSafeAttribute(el, "k");
ri.font_size = getSafeAttribute(el, "font-size");
ri.font_style = getSafeAttribute(el, "font-style");
ri.r = getSafeAttribute(el, "r");
if (!string.IsNullOrEmpty(ri.stroke))
{
ri.Pen = new Pen(System.Drawing.ColorTranslator.FromHtml(ri.stroke));
}
if (ri.Pen != null && !string.IsNullOrEmpty(ri.stroke_width))
{
ri.fstroke_width = (float)Utils.Conversion.StringToDouble(ri.stroke_width);
ri.Pen.Width = ri.fstroke_width;
}
if (ri.Pen != null && !string.IsNullOrEmpty(ri.stroke_dasharray))
{
string[] sp = ri.stroke_dasharray.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
ri.Pen.DashPattern = (from s in sp select (float)int.Parse(s)).ToArray();
}
if (ri.Pen != null && !string.IsNullOrEmpty(ri.stroke_linecap))
{
}
if (ri.tag == "line" && !string.IsNullOrEmpty(ri.fill))
{
ri.FillPen = new Pen(System.Drawing.ColorTranslator.FromHtml(ri.fill));
}
if (!string.IsNullOrEmpty(ri.fill))
{
ri.Brush = new SolidBrush(System.Drawing.ColorTranslator.FromHtml(ri.fill));
}
if (ri.tag == "area" && ri.Brush == null && !string.IsNullOrEmpty(ri.src))
{
try
{
string fn = ri.src.Replace("jar:", "");
if (File.Exists(fn))
{
using (Bitmap img = (Bitmap)Image.FromFile(fn, true))
{
ri.Brush = new TextureBrush(img);
(ri.Brush as TextureBrush).WrapMode = System.Drawing.Drawing2D.WrapMode.Tile;
}
}
else
{
fn = Path.GetFileName(ri.src);
using (Bitmap img = (Bitmap)Image.FromStream(Assembly.GetExecutingAssembly().GetManifestResourceStream(string.Format("GAPPSF.MapProviders.OSMBinMap.patterns.{0}", fn))))
{
ri.Brush = new TextureBrush(img);
(ri.Brush as TextureBrush).WrapMode = System.Drawing.Drawing2D.WrapMode.Tile;
}
}
}
catch
{
}
}
if (ri.tag == "symbol" && !string.IsNullOrEmpty(ri.src))
{
try
{
string fn = ri.src.Replace("jar:", "");
if (File.Exists(fn))
{
ri.Symbol = Image.FromFile(fn, true);
}
else
{
fn = Path.GetFileName(ri.src);
ri.Symbol = Image.FromStream(Assembly.GetExecutingAssembly().GetManifestResourceStream(string.Format("GAPPSF.MapProviders.OSMBinMap.symbols.{0}", fn)));
}
}
catch
{
}
}
}
//check children
XmlNodeList strngs = n.SelectNodes("x:rule", nsmgr);
foreach (XmlNode sn in strngs)
{
RenderInfo r = new RenderInfo();
ri.Children.Add(r);
r.Parent = ri;
processRule(r, sn, nsmgr);
}
}
public void RenderAreas(RequestedTileInformation ti, Graphics g, Way way, RenderInfo ri)
{
bool drawOutline = true;
if (way.WayDataBlocks != null && way.WayDataBlocks.Count > 0)
{
foreach (Way.WayData wd in way.WayDataBlocks)
{
if (wd.DataBlock[0].CoordBlock.Count > 2)
{
using (GraphicsPath gp = new GraphicsPath())
{
gp.AddPolygon((from p in wd.DataBlock[0].CoordBlock select new System.Drawing.PointF((float)toRelTileX(p.Longitude, ti.X, ti.Zoom), (float)toRelTileY(p.Latitude, ti.Y, ti.Zoom))).ToArray());
if (wd.DataBlock.Count == 1)
{
g.FillPath(ri.Brush ?? new SolidBrush(Color.Black), gp);
}
else
{
GraphicsPath[] gpExclude = new GraphicsPath[wd.DataBlock.Count - 1];
for (int i = 0; i < gpExclude.Length; i++)
{
gpExclude[i] = new GraphicsPath();
Way.WayCoordinateBlock cb = wd.DataBlock[i + 1];
gpExclude[i].AddPolygon((from p in cb.CoordBlock select new System.Drawing.Point((int)toRelTileX(p.Longitude, ti.X, ti.Zoom), (int)toRelTileY(p.Latitude, ti.Y, ti.Zoom))).ToArray());
}
Region region = new Region(gp);
for (int i = 0; i < gpExclude.Length; i++)
{
region.Exclude(gpExclude[i]);
}
g.FillRegion(ri.Brush ?? new SolidBrush(Color.White), region);
for (int i = 0; i < gpExclude.Length; i++)
{
if (drawOutline && ri.Pen != null)
{
g.DrawPolygon(ri.Pen, gpExclude[i].PathPoints);
}
gpExclude[i].Dispose();
}
}
if (drawOutline && ri.Pen != null)
{
g.DrawPolygon(ri.Pen, gp.PathPoints);
}
}
}
}
}
}
public void RenderLines(RequestedTileInformation ti, Graphics g, Way way, RenderInfo ri)
{
if (way.WayDataBlocks != null && way.WayDataBlocks.Count > 0)
{
bool nDone = false;
float f = getPaintZoomLevel(ti.Zoom);
foreach (Way.WayData wd in way.WayDataBlocks)
{
System.Drawing.PointF[] pa = (from p in wd.DataBlock[0].CoordBlock select new System.Drawing.PointF((float)toRelTileX(p.Longitude, ti.X, ti.Zoom), (float)toRelTileY(p.Latitude, ti.Y, ti.Zoom))).ToArray();
using (GraphicsPath gp = new GraphicsPath())
{
for (int i = 0; i < pa.Length - 1; i++)
{
gp.AddLine(pa[i], pa[i + 1]);
}
Pen p = ri.Pen ?? new Pen(Color.Black);
p.Width = ri.fstroke_width * f;
g.DrawPath(p, gp);
if (ri.FillPen != null)
{
ri.FillPen.Width = ri.fstroke_width * f * 0.8f;
g.DrawPath(ri.FillPen, gp);
}
if (!string.IsNullOrEmpty(way.Name) && p.Width > 6.0f && !nDone)
{
nDone = true; //only once per tile is enough I think
using (Font fnt = new Font(FontFamily.GenericSerif, p.Width))
{
//determine angle of polyline (use start and endpoint?)
//if wrong (text upside down), then reverse polyline
PointF p1 = pa[0];
PointF p2 = pa[pa.Length - 1];
if (p1.X > p2.X)
{
gp.Reverse();
}
g.DrawString(way.Name, fnt, _fixedTextBrush, TextPathAlign.Center, TextPathPosition.CenterPath, 100, 0, gp);
}
}
}
}
}
}
public void RenderCaptions(RequestedTileInformation ti, Graphics g, Way way, RenderInfo ri)
{
int lat;
int lon;
if (way.LabelLatitude != null && way.LabelLongitude != null)
{
lat = (int)way.LabelLatitude;
lon = (int)way.LabelLongitude;
}
else
{
lat = (int)way.WayDataBlocks[0].DataBlock[0].CoordBlock.Average(x => x.Latitude);
lon = (int)way.WayDataBlocks[0].DataBlock[0].CoordBlock.Average(x => x.Longitude);
}
using (Font fnt = new Font(FontFamily.GenericSerif, string.IsNullOrEmpty(ri.font_size) ? (float)10.0 : (float)Utils.Conversion.StringToDouble(ri.font_size), ri.font_style == "bold" ? FontStyle.Bold : FontStyle.Regular))
using (StringFormat sf = new StringFormat())
{
sf.Alignment = StringAlignment.Center;
sf.LineAlignment = StringAlignment.Center;
float x = (float)toRelTileX(lon, ti.X, ti.Zoom);
float y = (float)toRelTileY(lat, ti.Y, ti.Zoom);
if (x > 0 && x < 256 && y > 0 && y < 256)
{
SizeF s = g.MeasureString(way.Name, fnt);
float w2 = (s.Width / 2.0f);
float h2 = (s.Height / 2.0f);
if (x + w2 > 256) x = 256 - w2;
if (y + h2 > 256) y = 256 - h2;
if (x < w2) x = w2;
if (y < h2) y = h2;
g.DrawString(way.Name, fnt, ri.Brush ?? new SolidBrush(Color.Black), x, y, sf);
}
}
}
public void RenderSymbols(RequestedTileInformation ti, Graphics g, Way way, RenderInfo ri)
{
int lat;
int lon;
if (way.LabelLatitude != null && way.LabelLongitude != null)
{
lat = (int)way.LabelLatitude;
lon = (int)way.LabelLongitude;
}
else
{
lat = (int)way.WayDataBlocks[0].DataBlock[0].CoordBlock.Average(x => x.Latitude);
lon = (int)way.WayDataBlocks[0].DataBlock[0].CoordBlock.Average(x => x.Longitude);
}
g.DrawImageUnscaled(ri.Symbol, (int)toRelTileX(lon, ti.X, ti.Zoom), (int)toRelTileY(lat, ti.Y, ti.Zoom));
}
public void Render(RequestedTileInformation ti, Graphics g, Way way, RenderInfo ri)
{
lock (this) //gdi objects are not threadsafe
{
try
{
if (ri.tag == "area")
{
RenderAreas(ti, g, way, ri);
}
else if (ri.tag == "line")
{
RenderLines(ti, g, way, ri);
}
else if (ri.tag == "caption")
{
RenderCaptions(ti, g, way, ri);
}
else if (ri.tag == "symbol")
{
RenderSymbols(ti, g, way, ri);
}
}
catch
{
}
}
}
