// 添加图例
public static void MakeLegend(AxPageLayoutControl pageLayoutControl, IEnvelope envelope)
{
IActiveView pActiveView = pageLayoutControl.ActiveView;
UID pUID = new UID()
{
Value = "esriCarto.Legend"
};
IGraphicsContainer pGraphicsContainer = pageLayoutControl.PageLayout as IGraphicsContainer;
IMapFrame pMapFrame = pGraphicsContainer.FindFrame(pActiveView.FocusMap) as IMapFrame;
// 根据唯一标识符，创建与之对应的MapSurroundFrame
IMapSurroundFrame pMapSurroundFrame = pMapFrame.CreateSurroundFrame(pUID, null);
// 获取PageLayout中的图例元素
IElement pDeleteElement = pageLayoutControl.FindElementByName("Legend");
if (pDeleteElement != null)
{
pGraphicsContainer.DeleteElement(pDeleteElement); // 如果已存在图例，删除已经存在的图例
}
// 设置MapSurroundFrame背景
ISymbolBackground pSymbolBackground = new SymbolBackgroundClass()
{
FillSymbol = new SimpleFillSymbolClass()
{
Color = AeUtilsSymbology.GetRgbColor(240, 240, 240),
Outline = new SimpleLineSymbolClass()
{
Color = AeUtilsSymbology.GetRgbColor(0, 0, 0)
}
}
};
pMapSurroundFrame.Background = pSymbolBackground;
// 添加图例
IElement pElement = pMapSurroundFrame as IElement;
pElement.Geometry = envelope as IGeometry;
IMapSurround pMapSurround = pMapSurroundFrame.MapSurround;
ILegend pLegend = pMapSurround as ILegend;
pLegend.ClearItems();
pLegend.Title = "图例";
for (int i = 0; i < pActiveView.FocusMap.LayerCount; i++)
{
ILegendItem pLegendItem = new HorizontalLegendItemClass()
{
Layer = pActiveView.FocusMap.get_Layer(i),
ShowDescriptions = false,
Columns = 1,
ShowHeading = true,
ShowLabels = true
};
pLegend.AddItem(pLegendItem);
}
pGraphicsContainer.AddElement(pElement, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
private void MakeLegend(IActiveView pActiveView, IPageLayout pPageLayout, IEnvelope pEnv)
{
UID pID = new UID();
pID.Value = "esriCarto.Legend";
IGraphicsContainer pGraphicsContainer = pPageLayout as IGraphicsContainer;
IMapFrame pMapFrame = pGraphicsContainer.FindFrame(pActiveView.FocusMap) as IMapFrame;
IMapSurroundFrame pMapSurroundFrame = pMapFrame.CreateSurroundFrame(pID, null); //根据唯一标示符，创建与之对应MapSurroundFrame
IElement pDeletElement = axPageLayoutControl1.FindElementByName("Legend"); //获取PageLayout中的图例元素
if (pDeletElement != null)
{
pGraphicsContainer.DeleteElement(pDeletElement); //如果已经存在图例，删除已经存在的图例
}
//设置MapSurroundFrame背景
ISymbolBackground pSymbolBackground = new SymbolBackgroundClass();
IFillSymbol pFillSymbol = new SimpleFillSymbolClass();
ILineSymbol pLineSymbol = new SimpleLineSymbolClass();
pLineSymbol.Color = m_OperatePageLayout.GetRgbColor(0, 0, 0);
pFillSymbol.Color = m_OperatePageLayout.GetRgbColor(240, 240, 240);
pFillSymbol.Outline = pLineSymbol;
pSymbolBackground.FillSymbol = pFillSymbol;
pMapSurroundFrame.Background = pSymbolBackground;
//添加图例
IElement pElement = pMapSurroundFrame as IElement;
pElement.Geometry = pEnv as IGeometry;
IMapSurround pMapSurround = pMapSurroundFrame.MapSurround;
ILegend pLegend = pMapSurround as ILegend;
pLegend.ClearItems();
pLegend.Title = "图例";
for (int i = 0; i < pActiveView.FocusMap.LayerCount; i++)
{
ILegendItem pLegendItem = new HorizontalLegendItemClass();
pLegendItem.Layer = pActiveView.FocusMap.get_Layer(i);//获取添加图例关联图层
pLegendItem.ShowDescriptions = false;
pLegendItem.Columns = 1;
pLegendItem.ShowHeading = true;
pLegendItem.ShowLabels = true;
pLegend.AddItem(pLegendItem);//添加图例内容
}
pGraphicsContainer.AddElement(pElement, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
private void btnOK_Click(object sender, EventArgs e)
{
m_legend.Title = textBoxTitle.Text;
m_legend.ClearItems();
int mapCount = m_legend_Complete.ItemCount;
int legentCount = listBoxLegendItem.Items.Count;
for (int i = 0; i < legentCount; i++)
{
for (int j = 0; j < mapCount; j++)
{
if (listBoxLegendItem.Items[i].ToString() == listBoxMapItem.Items[j].ToString())
{
m_legend.AddItem(m_legend_Complete.get_Item(j));
}
}
}
if (checkBoxIsTitleShow.Checked == false)
{
m_legend.Title = "";
}
m_legend.Refresh();
}
private void btnOk_Click(object sender, EventArgs e)
{
m_legend.Name = this.textBoxElement.Text.Trim();
m_legend.Title = this.textBox1.Text; //图例的标题
ILayer player;
ILegendItem pLegendItem = null;
#region //设置图例显示的项
if (this.listBox2.Items.Count != 0)
{
m_legend.ClearItems();
foreach (object item in this.listBox2.Items) //设置需要的图例项 根据用户需要添加
{
for (int j = 0; j < m_pageLayoutControl.ActiveView.FocusMap.LayerCount; j++)
{
player = m_pageLayoutControl.ActiveView.FocusMap.get_Layer(j);
if (player.Name == item.ToString())
{
IFeatureLayer pFLayer = player as IFeatureLayer;
IFeatureClass pFeatureClass = pFLayer.FeatureClass;
if (pFeatureClass.FeatureType == esriFeatureType.esriFTAnnotation)
{
continue;
}
else
{
pLegendItem = new HorizontalLegendItemClass(); //图例项标签的样式
pLegendItem.Layer = player;
pLegendItem.Columns = 1;
pLegendItem.ShowDescriptions = false;
pLegendItem.ShowHeading = false;
pLegendItem.ShowLabels = true;
switch (comboBox1.SelectedItem.ToString().Trim())
{
case "所有文本符号":
pLegendItem.LayerNameSymbol = pTextSymbol; //设置字体样式
pLegendItem.HeadingSymbol = pTextSymbol;
pLegendItem.LegendClassFormat.LabelSymbol = pTextSymbol;
break;
case "所有图层名称":
pLegendItem.LayerNameSymbol = pTextSymbol;
break;
case "所有标题项":
pLegendItem.HeadingSymbol = pTextSymbol;
break;
case "所有标注项":
pLegendItem.LegendClassFormat.LabelSymbol = pTextSymbol;
break;
case "所有描述性文字":
break;
}
}
m_legend.AddItem(pLegendItem);
}
}
}
}
#endregion
plegendFormat.DefaultPatchHeight = Convert.ToDouble(this.textBoxHeight.Text); //块的高度
plegendFormat.DefaultPatchWidth = Convert.ToDouble(this.textBoxWidth.Text); //块的宽度
#region //设置图例的底色边框
IMapSurround pmapsurronud = m_legend as IMapSurround;
mapSurroundFrame.MapSurround = pmapsurronud;
m_FrameProperties = (IFrameProperties)mapSurroundFrame;
// m_SymbolBackground.FillSymbol.Color = ConvertColorToIColor(this.btnBackGroundColor.BackColor);
m_FrameProperties.Background = (IBackground )m_SymbolBackground;
// m_SymbolBorder.LineSymbol.Color = ConvertColorToIColor(this.btnBolderColor.BackColor);
m_FrameProperties.Border = (IBorder)m_SymbolBorder;
// m_SymbolShadow.FillSymbol.Color = ConvertColorToIColor(this.btnShadowColor.BackColor);
m_FrameProperties.Shadow = (IShadow)m_SymbolShadow;
#endregion
IEnvelope pEnvelop = new EnvelopeClass(); //图例的位置
pEnvelop.PutCoords(Convert.ToDouble(this.textBoxX.Text), Convert.ToDouble(this.textBoxY.Text),
Convert.ToDouble(this.textBoxX.Text) + Convert.ToDouble(this.textBoxWidth1.Text),
Convert.ToDouble(this.textBoxY.Text) + Convert.ToDouble(this.textBoxHeight1.Text));
IElement m_element = mapSurroundFrame as IElement;
m_element.Geometry = pEnvelop;
m_pageLayoutControl.AddElement(m_element, Type.Missing, Type.Missing, m_legend.Name, 0);
m_pageLayoutControl.ActiveView.Refresh();
this.Close();
}
//更新图例
private void UpdateLegend()
{
//边框、背景、阴影的间距
if (txtBorderGap.Text != null && pSymbolBorder != null)
{
pSymbolBorder.Gap = double.Parse(this.txtBorderGap.Text);
}
if (txtBackgroundGap.Text != null && pSymbolBackground != null)
{
pSymbolBackground.Gap = double.Parse(this.txtBackgroundGap.Text);
}
if (txtShadowX.Text != null && pSymbolShadow != null)
{
pSymbolShadow.VerticalSpacing = double.Parse(this.txtShadowX.Text);
}
if (txtShadowY.Text != null && pSymbolShadow != null)
{
pSymbolShadow.HorizontalSpacing = double.Parse(this.txtShadowY.Text);
}
//边框、背景、阴影的角度
if (txtBorderAngle.Text != null && pSymbolBorder != null)
{
pSymbolBorder.CornerRounding = short.Parse(txtBorderAngle.Text);
}
if (txtBackgroundAngle.Text != null && pSymbolBackground != null)
{
pSymbolBackground.CornerRounding = short.Parse(txtBackgroundAngle.Text);
}
if (txtShadowAngle.Text != null && pSymbolShadow != null)
{
pSymbolShadow.CornerRounding = short.Parse(txtShadowAngle.Text);
}
//边框、背景、阴影
IFrameProperties pFrameProperties = pMapSurroundFrame as IFrameProperties;
if (pSymbolBorder != null)
{
pFrameProperties.Border = pSymbolBorder;
}
if (pSymbolBackground != null)
{
pFrameProperties.Background = pSymbolBackground;
}
if (pSymbolShadow != null)
{
pFrameProperties.Shadow = pSymbolShadow;
}
ILegendFormat pLegendFormat = new LegendFormatClass();
//标题设置 显示
if (this.cBoxShowTitle.Checked == true)
{
pLegendFormat.ShowTitle = true;
}
else
{
pLegendFormat.ShowTitle = false;
}
//标题样式
if (pTitleSymbol != null)
{
pLegendFormat.TitleSymbol = pTitleSymbol;
}
//图面样式以及高度和样式设计
if (pLinePatch != null)
{
pLegendFormat.DefaultLinePatch = pLinePatch;
}
if (pAreaPatch != null)
{
pLegendFormat.DefaultAreaPatch = pAreaPatch;
}
if (txtPatchWith.Text != null)
{
pLegendFormat.DefaultPatchWidth = double.Parse(txtPatchWith.Text);
}
if (txtPatchHeight.Text != null)
{
pLegendFormat.DefaultPatchHeight = double.Parse(txtPatchHeight.Text);
}
//第四界面从上到下图例各部分之间的距离
pLegendFormat.TitleGap = double.Parse(txtTitleAndLegend.Text);
pLegendFormat.VerticalItemGap = double.Parse(txtLegendItems.Text);
pLegendFormat.HorizontalItemGap = double.Parse(txtColumns.Text);
pLegendFormat.HeadingGap = double.Parse(txtHeadings.Text);
pLegendFormat.TextGap = double.Parse(txtLabelsAndDescription.Text);
pLegendFormat.VerticalPatchGap = double.Parse(txtPatchesV.Text);
pLegendFormat.HorizontalPatchGap = double.Parse(txtPatchAndLabels.Text);
//样式添加到图例
Legend.Title = this.txtLegendTitle.Text;
Legend.Format = pLegendFormat;
//地图链接
Legend.AutoVisibility = cBoxAddVisibleLayer.Checked; //只显示显示的图层
Legend.AutoAdd = cBoxAddNewLayer.Checked; //自动添加显示的图层
Legend.AutoReorder = cBoxNewOrder.Checked; //按照图层顺序排列图例
//Legend.ClearItems();
//Legend.Refresh();
//图例列数
double pLegendColumn = double.Parse(this.LegendColumn.Text);
//图例中要包含的图层个数为 pSelectedidx.Count
double pLegendItemCount = pSelectedidx.Count;
//计算图例分裂的位置
int ColumnPos = (int)(pLegendItemCount / pLegendColumn);
double remainder = (pLegendItemCount % pLegendColumn) / pLegendColumn;
if (remainder >= 0.5)
{
ColumnPos = ColumnPos + 1;
}
for (int i = 0; i < pSelectedidx.Count; i++)
{
ILegendItem pLegendItem = new HorizontalLegendItemClass();
pLegendItem.Layer = pMap.get_Layer(pSelectedidx[i]);
int lengendinex = 0;//记录同名图层在legend中的位置
for (int j = 0; j < Legend.ItemCount; j++)
{
if (Legend.Item[j].Layer == pLegendItem.Layer)
{
lengendinex = j;
break;
}
}
pLegendItem.ShowDescriptions = Legend.Item[lengendinex].ShowDescriptions;
pLegendItem.ShowHeading = Legend.Item[lengendinex].ShowHeading;
pLegendItem.ShowLabels = Legend.Item[lengendinex].ShowLabels;
pLegendItem.ShowLayerName = Legend.Item[lengendinex].ShowLayerName;
pLegendItem.HeadingSymbol = Legend.Item[lengendinex].HeadingSymbol;
pLegendItem.LayerNameSymbol = Legend.Item[lengendinex].LayerNameSymbol;
pLegendItem.LegendClassFormat = Legend.Item[lengendinex].LegendClassFormat;
//列数设置
//列数设置
if (ColumnPos <= 1)
{
pLegendItem.NewColumn = true;
}
else if (ColumnPos > 1 && i > 0)
{
int columnI = i % ColumnPos;
if (columnI == 0)
{
pLegendItem.NewColumn = true;
}
}
legendlist.Add(pLegendItem);
}
Legend.ClearItems();
Legend.Refresh();
for (int i = 0; i < legendlist.Count; i++)
{
Legend.AddItem(legendlist[i]);
}
ILegendLayout pLegendLayout = pLegendFormat as ILegendLayout;
pLegendLayout.ScaleGraphicsOnResize = false;
m_hookHelper.ActiveView.Refresh();
}
// 添加图例
private void AddLegend()
{
IActiveView pActiveView = axPageLayoutControl_main.ActiveView;
IGraphicsContainer pGC = axPageLayoutControl_main.PageLayout as IGraphicsContainer;
UID pUID = new UIDClass()
{
Value = "esriCarto.Legend"
};
IMapFrame pMapFrame = pGC.FindFrame(pActiveView.FocusMap) as IMapFrame;
// 根据唯一标识符，创建与之对应的MapSurroundFrame
IMapSurroundFrame pMapSurroundFrame = pMapFrame.CreateSurroundFrame(pUID, null);
// 检查PageLayout中是否已有图例（有则删除）
IElement pDelElement = axPageLayoutControl_main.FindElementByName("Legend");
if (pDelElement != null)
{
pGC.DeleteElement(pDelElement);
}
// 设置MapSurroundFrame背景
ISymbolBackground pSymbolBackground = new SymbolBackgroundClass()
{
FillSymbol = new SimpleFillSymbolClass()
{
Color = GetRgbColor(240, 240, 240),
Outline = new SimpleLineSymbolClass()
{
Color = GetRgbColor(0, 0, 0),
Width = 1
}
}
};
pMapSurroundFrame.Background = pSymbolBackground;
// 添加图例
IElement pElement = pMapSurroundFrame as IElement;
IEnvelope pEnv = axPageLayoutControl_main.Extent;
pEnv.XMin += 2;
pEnv.YMin += 3;
pElement.Geometry = pEnv;
IMapSurround pMapSurround = pMapSurroundFrame.MapSurround;
ILegend pLegend = pMapSurround as ILegend;
pLegend.ClearItems();
pLegend.Title = "图例";
for (int i = 0; i < pActiveView.FocusMap.LayerCount; i++)
{
ILegendItem pLegendItem = new HorizontalLegendItemClass()
{
Layer = pActiveView.FocusMap.get_Layer(i),
ShowDescriptions = false,
Columns = 1,
ShowHeading = true,
ShowLabels = true
};
pLegend.AddItem(pLegendItem);
}
pGC.AddElement(pElement, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}