/// <summary>
/// 在所有的层上清空所有选择的shapes
/// </summary>
public void ClearSelectedShapes()
{
for (int i = 0; i < Program.frmMain.Layers.NumLayers; i++)
{
Interfaces.Layer layer = Program.frmMain.Layers[Program.frmMain.Layers.GetHandle(i)];
if (layer != null)
{
layer.ClearSelection();
}
}
}
/// <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);
}
/// <summary>
/// 从指定文件中导入颜色设置
/// </summary>
public static object ImportScheme(Interfaces.Layer lyr, string Filename)
{
XmlDocument doc = new XmlDocument();
XmlElement root;
if (lyr == null)
{
return(null);
}
doc.Load(Filename);
root = doc.DocumentElement;
if (lyr.LayerType == Interfaces.eLayerType.LineShapefile || lyr.LayerType == Interfaces.eLayerType.PointShapefile || lyr.LayerType == Interfaces.eLayerType.PolygonShapefile)
{
try
{
MapWinGIS.ShapefileColorScheme sch = new ShapefileColorScheme();
if (root.Attributes["SchemeType"].InnerText == "Shapefile")
{
if (ImportScheme(sch, (MapWinGIS.Shapefile)lyr.GetObject(), root["ShapefileColoringScheme"]))
{
return(sch);
}
}
else
{
MapWinGIS.Utility.Logger.Message("文件中包含无效的颜色设置.");
return(null);
}
}
catch (Exception ex)
{
Program.g_error = ex.Message;
return(null);
}
}
else //不是shapefile类型文件
{
try
{
MapWinGIS.GridColorScheme sch = new MapWinGIS.GridColorScheme();
if (root.Attributes["SchemeType"].InnerText == "Grid")
{
try
{
if (root.Attributes["GridName"] != null)
{
lyr.Name = root.Attributes["GridName"].InnerText;
}
if (root.Attributes["GroupName"] != null)
{
string GroupName = root.Attributes["GroupName"].InnerText;
bool found = false; //是否在legend中找到Group匹配的名字
for (int i = 0; i < Program.frmMain.Legend.Groups.Count; i++)
{
if (Program.frmMain.Legend.Groups[i].Text.ToLower().Trim() == GroupName.Trim().ToLower())
{
lyr.GroupHandle = Program.frmMain.Legend.Groups[i].Handle;
found = true;
break;
}
}
if (!found)
{
lyr.GroupHandle = Program.frmMain.Legend.Groups.Add(GroupName);
}
}
}
catch { }
if (ImportScheme(sch, root["GridColoringScheme"]))
{
return(sch);
}
}
else //没有GridColorScheme设置
{
MapWinGIS.Utility.Logger.Message("文件中包含无效的颜色设置.");
return(null);
}
}
catch (Exception ex)
{
Program.g_error = ex.ToString();
return(null);
}
}
return(null);
}
/// <summary>
/// 未实现
/// </summary>
private void AddGridElement(XmlDocument m_Doc, Interfaces.Layer gridFileLayer, XmlNode parent)
{
}
/// <summary>
/// 未实现
/// </summary>
private void AddShapeFileElement(XmlDocument m_Doc, Interfaces.Layer sfl, XmlNode parent)
{
}
/// <summary>
/// 清空所有已选择的shape的列表
/// </summary>
public void ClearSelectedShapes()
{
if (Program.frmMain.MapMain.ShapeDrawingMethod != MapWinGIS.tkShapeDrawingMethod.dmNewSymbology)
{
bool isLocked = false;
try
{
MainProgram.SelectedShape oneShp;
int i;
int tLyrHandle;
tLyrHandle = m_LayerHandle;
if (Program.frmMain.MapMain == null)
{
for (i = m_NumSelected - 1; i >= 0; i--)
{
m_Shapes[i] = null;
}
m_Shapes = null;
m_SelectBounds = null;
return;
}
if (Program.frmMain.MapMain.IsLocked == MapWinGIS.tkLockMode.lmUnlock)
{
Program.frmMain.MapMain.LockWindow(MapWinGIS.tkLockMode.lmLock);
isLocked = true;
}
for (i = m_NumSelected - 1; i >= 0; i--)
{
oneShp = m_Shapes[i];
if (oneShp != null)
{
Program.frmMain.MapMain.set_ShapePointColor(tLyrHandle, oneShp.ShapeIndex, oneShp.OriginalColor);
Program.frmMain.MapMain.set_ShapeLineColor(tLyrHandle, oneShp.ShapeIndex, oneShp.OriginalOutlineColor);
Program.frmMain.MapMain.set_ShapeFillColor(tLyrHandle, oneShp.ShapeIndex, oneShp.OriginalColor);
Program.frmMain.MapMain.set_ShapeDrawFill(tLyrHandle, oneShp.ShapeIndex, oneShp.OriginalDrawFill);
if (Program.projInfo.TransparentSelection)
{
Program.frmMain.MapMain.set_ShapeFillTransparency(tLyrHandle, oneShp.ShapeIndex, oneShp.OriginalTransparency);
}
}
m_NumSelected--;
oneShp = null;
m_Shapes[i] = null;
}
m_Shapes = null;
m_SelectBounds = null;
Program.frmMain.UpdateButtons();
m_LayerHandle = -1;
}
catch (Exception ex)
{
Program.g_error = ex.Message;
Program.ShowError(ex);
}
if (isLocked)
{
Program.frmMain.MapMain.LockWindow(MapWinGIS.tkLockMode.lmUnlock);
}
}
else //不是dmNewSymbology绘制方式
{
int handle;
for (int i = 0; i < Program.frmMain.Layers.NumLayers; i++)
{
handle = Program.frmMain.MapMain.get_LayerHandle(i);
MapWinGIS.Shapefile sf;
Interfaces.Layer layer = Program.frmMain.Layers[handle];
if (layer != null)
{
if (layer.LayerType == Interfaces.eLayerType.LineShapefile || layer.LayerType == Interfaces.eLayerType.PointShapefile || layer.LayerType == Interfaces.eLayerType.PolygonShapefile)
{
sf = (MapWinGIS.Shapefile)layer.GetObject();
if (sf != null)
{
sf.SelectNone();
}
}
}
}
m_Shapes = null;
m_LayerHandle = -1;
m_NumSelected = 0;
Program.frmMain.UpdateButtons();
Program.frmMain.MapMain.Redraw();
}
}
/// <summary>
/// 未实现
/// </summary>
public XmlElement Layer2XML(Interfaces.Layer Layer, XmlDocument xmlDoc, string FileName)
{
return(null);
}
/// <summary>
/// 在指定的层上更新选择的shapes
/// 别的层上的选择将保持
/// </summary>
/// <param name="sf">要更新的Shapefile</param>
/// <param name="shpIndices">所有相关的Shape的索引集合</param>
/// <param name="mode">选择操作</param>
/// <returns></returns>
public MapWinGIS.Interfaces.SelectInfo UpdateSelection(int layerHandle, ref int[] shpIndices, Interfaces.SelectionOperation mode)
{
//清空原来存储的
m_selection = null;
Interfaces.Layer layer = Program.frmMain.m_Layers[layerHandle];
if (layer == null)
{
return(null);
}
MapWinGIS.Shapefile sf = layer.GetObject() as MapWinGIS.Shapefile;
if (sf == null)
{
return(null);
}
if (mode == Interfaces.SelectionOperation.SelectNew)
{
sf.SelectNone();
}
if (shpIndices != null && shpIndices.Length > 0)
{
int i;
int shpIndicesLen = shpIndices.Length;
if (mode == Interfaces.SelectionOperation.SelectNew)
{
for (i = 0; i < shpIndicesLen; i++)
{
sf.ShapeSelected[shpIndices[i]] = true;
}
}
else if (mode == Interfaces.SelectionOperation.SelectAdd)
{
for (i = 0; i < shpIndicesLen; i++)
{
sf.ShapeSelected[shpIndices[i]] = true;
}
}
else if (mode == Interfaces.SelectionOperation.SelectExclude)
{
for (i = 0; i < shpIndicesLen; i++)
{
sf.ShapeSelected[shpIndices[i]] = false;
}
}
else if (mode == Interfaces.SelectionOperation.SelectInvert)
{
for (i = 0; i < shpIndicesLen; i++)
{
sf.ShapeSelected[shpIndices[i]] = !sf.ShapeSelected[shpIndices[i]];
}
}
}
Program.frmMain.UpdateButtons();
bool handled = false;
Program.frmMain.FireLayerSelectionChanged(layerHandle, ref handled);
return(layer.SelectedShapes);
}