private static bool ExportScheme(MapWinGIS.ShapefileColorScheme Scheme, XmlDocument RootDoc, XmlElement Parent)
{
int i;
XmlElement brk;
XmlAttribute caption;
XmlAttribute sValue;
XmlAttribute eValue;
XmlAttribute sColor;
XmlAttribute eColor;
MapWinGIS.ShapefileColorBreak curBrk;
for (i = 0; i < Scheme.NumBreaks(); i++)
{
curBrk = Scheme.ColorBreak[i];
brk = RootDoc.CreateElement("Break");
caption = RootDoc.CreateAttribute("Caption");
sValue = RootDoc.CreateAttribute("StartValue");
eValue = RootDoc.CreateAttribute("EndValue");
sColor = RootDoc.CreateAttribute("StartColor");
eColor = RootDoc.CreateAttribute("EndColor");
caption.InnerText = curBrk.Caption;
sValue.InnerText = (curBrk.StartValue).ToString();
eValue.InnerText = (curBrk.EndValue).ToString();
sColor.InnerText = (ColorScheme.UIntToColor(curBrk.StartColor).ToArgb()).ToString();
eColor.InnerText = (ColorScheme.UIntToColor(curBrk.EndColor).ToArgb()).ToString();
brk.Attributes.Append(caption);
brk.Attributes.Append(sValue);
brk.Attributes.Append(eValue);
brk.Attributes.Append(sColor);
brk.Attributes.Append(eColor);
Parent.AppendChild(brk);
curBrk = null;
}
return(true);
}
/// <summary>
/// 将图层颜色设置输出到一个指定路径
/// </summary>
public static bool ExportScheme(Interfaces.Layer lyr, string path)
{
XmlDocument doc = new XmlDocument();
XmlElement mainScheme;
XmlElement root;
XmlAttribute schemeType;
root = doc.CreateElement("ColoringScheme");
if (lyr == null)
{
return(false);
}
if (lyr.LayerType == Interfaces.eLayerType.LineShapefile || lyr.LayerType == Interfaces.eLayerType.PointShapefile || lyr.LayerType == Interfaces.eLayerType.PolygonShapefile)
{
MapWinGIS.ShapefileColorScheme sch = (MapWinGIS.ShapefileColorScheme)lyr.ColoringScheme;
MapWinGIS.Shapefile sf = (MapWinGIS.Shapefile)lyr.GetObject();
XmlAttribute fldName;
XmlAttribute key;
if (sch == null || sch.NumBreaks() == 0)
{
return(false);
}
schemeType = doc.CreateAttribute("SchemeType");
schemeType.InnerText = "Shapefile";
root.Attributes.Append(schemeType);
mainScheme = doc.CreateElement("ShapefileColoringScheme");
fldName = doc.CreateAttribute("FieldName");
key = doc.CreateAttribute("Key");
fldName.InnerText = sf.Field[sch.FieldIndex].Name;
key.InnerText = sch.Key;
mainScheme.Attributes.Append(fldName);
mainScheme.Attributes.Append(key);
root.AppendChild(mainScheme);
doc.AppendChild(root);
if (ExportScheme(((MapWinGIS.ShapefileColorScheme)lyr.ColoringScheme), doc, mainScheme))
{
doc.Save(path);
return(true);
}
else
{
MapWinGIS.Utility.Logger.Message("导出 coloring scheme 失败.", "错误");
return(false);
}
}
else if (lyr.LayerType == Interfaces.eLayerType.Grid)
{
MapWinGIS.GridColorScheme sch = (MapWinGIS.GridColorScheme)lyr.ColoringScheme;
MapWinGIS.Grid grd = lyr.GetGridObject;
XmlAttribute AmbientIntensity;
XmlAttribute Key;
XmlAttribute LightSourceAzimuth;
XmlAttribute LightSourceElevation;
XmlAttribute LightSourceIntensity;
XmlAttribute NoDataColor;
XmlAttribute GridName;
XmlAttribute GroupName;
XmlAttribute ImageLayerFillTransparency;
XmlAttribute ImageUpsamplingMethod;
XmlAttribute ImageDownsamplingMethod;
if (sch == null || sch.NumBreaks == 0)
{
return(false);
}
GridName = doc.CreateAttribute("GridName");
GroupName = doc.CreateAttribute("GroupName");
schemeType = doc.CreateAttribute("SchemeType");
schemeType.InnerText = "Grid";
root.Attributes.Append(schemeType);
AmbientIntensity = doc.CreateAttribute("AmbientIntensity");
Key = doc.CreateAttribute("Key");
LightSourceAzimuth = doc.CreateAttribute("LightSourceAzimuth");
LightSourceElevation = doc.CreateAttribute("LightSourceElevation");
LightSourceIntensity = doc.CreateAttribute("LightSourceIntensity");
ImageLayerFillTransparency = doc.CreateAttribute("ImageLayerFillTransparency");
ImageUpsamplingMethod = doc.CreateAttribute("ImageUpsamplingMethod");
ImageDownsamplingMethod = doc.CreateAttribute("ImageDownsamplingMethod");
NoDataColor = doc.CreateAttribute("NoDataColor");
GridName.InnerText = lyr.Name;
GroupName.InnerText = Program.frmMain.Legend.Groups.ItemByHandle(lyr.GroupHandle).Text;
AmbientIntensity.InnerText = (sch.AmbientIntensity).ToString();
Key.InnerText = sch.Key;
LightSourceAzimuth.InnerText = (sch.LightSourceAzimuth).ToString();
LightSourceElevation.InnerText = (sch.LightSourceElevation).ToString();
LightSourceIntensity.InnerText = (sch.LightSourceIntensity).ToString();
NoDataColor.InnerText = (ColorScheme.UIntToColor(sch.NoDataColor).ToArgb()).ToString();
ImageLayerFillTransparency.InnerText = ((System.Convert.ToInt32(lyr.ImageLayerFillTransparency * 100)) / 100).ToString();
MapWinGIS.Image img = new MapWinGIS.Image();
img = (MapWinGIS.Image)(Program.frmMain.MapMain.get_GetObject(lyr.Handle));
if (img.DownsamplingMode == MapWinGIS.tkInterpolationMode.imBicubic)
{
ImageDownsamplingMethod.InnerText = "Bicubic";
}
else if (img.DownsamplingMode == MapWinGIS.tkInterpolationMode.imBilinear)
{
ImageDownsamplingMethod.InnerText = "Bilinear";
}
else if (img.DownsamplingMode == MapWinGIS.tkInterpolationMode.imHighQualityBicubic)
{
ImageDownsamplingMethod.InnerText = "HighQualityBicubic";
}
else if (img.DownsamplingMode == MapWinGIS.tkInterpolationMode.imHighQualityBilinear)
{
ImageDownsamplingMethod.InnerText = "HighQualityBilinear";
}
else if (img.DownsamplingMode == MapWinGIS.tkInterpolationMode.imNone)
{
ImageDownsamplingMethod.InnerText = "None";
}
else
{
ImageDownsamplingMethod.InnerText = "None";
}
if (img.UpsamplingMode == MapWinGIS.tkInterpolationMode.imBicubic)
{
ImageUpsamplingMethod.InnerText = "Bicubic";
}
else if (img.UpsamplingMode == MapWinGIS.tkInterpolationMode.imBilinear)
{
ImageUpsamplingMethod.InnerText = "Bilinear";
}
else if (img.UpsamplingMode == MapWinGIS.tkInterpolationMode.imHighQualityBicubic)
{
ImageUpsamplingMethod.InnerText = "HighQualityBicubic";
}
else if (img.UpsamplingMode == MapWinGIS.tkInterpolationMode.imHighQualityBilinear)
{
ImageUpsamplingMethod.InnerText = "HighQualityBilinear";
}
else if (img.UpsamplingMode == MapWinGIS.tkInterpolationMode.imNone)
{
ImageUpsamplingMethod.InnerText = "None";
}
else
{
ImageUpsamplingMethod.InnerText = "None";
}
mainScheme = doc.CreateElement("GridColoringScheme");
mainScheme.Attributes.Append(AmbientIntensity);
mainScheme.Attributes.Append(Key);
mainScheme.Attributes.Append(LightSourceAzimuth);
mainScheme.Attributes.Append(LightSourceElevation);
mainScheme.Attributes.Append(LightSourceIntensity);
mainScheme.Attributes.Append(NoDataColor);
mainScheme.Attributes.Append(ImageLayerFillTransparency);
mainScheme.Attributes.Append(ImageUpsamplingMethod);
mainScheme.Attributes.Append(ImageDownsamplingMethod);
root.AppendChild(mainScheme);
root.Attributes.Append(GridName);
root.Attributes.Append(GroupName);
doc.AppendChild(root);
if (ExportScheme(((MapWinGIS.GridColorScheme)lyr.ColoringScheme), doc, mainScheme))
{
doc.Save(path);
return(true);
}
else
{
MapWinGIS.Utility.Logger.Message("导出 coloring scheme 失败.", "错误");
return(false);
}
}
return(false);
}
