private void InitialColorRamp(esriSymbologyStyleClass styleClass)
{
if (m_pRasterRenderer is IRasterStretchColorRampRenderer)
{
//得到当前栅格拉伸渲染样式
IRasterStretchColorRampRenderer rasterStrecthcRenderer = m_pRasterRenderer as IRasterStretchColorRampRenderer;
//从文件打开渲染库
string sInstall = ClsGDBDataCommon.GetParentPathofExe() + @"Resource\Style\ESRI.ServerStyle";
axSymbologyControl1.LoadStyleFile(sInstall);
axSymbologyControl1.StyleClass = esriSymbologyStyleClass.esriStyleClassColorRamps;
pSymbolClass = axSymbologyControl1.GetStyleClass(esriSymbologyStyleClass.esriStyleClassColorRamps);
IStyleGalleryItem pStyleGalleryItem = new ServerStyleGalleryItem();
pStyleGalleryItem.Item = rasterStrecthcRenderer.ColorRamp;
pSymbolClass.AddItem(pStyleGalleryItem, 0);
//将渲染库中所有渲染方式添加到列表中
for (int i = 0; i < pSymbolClass.ItemCount; i++)
{
stdole.IPictureDisp pPicture = pSymbolClass.PreviewItem(pSymbolClass.GetItem(i), cmbColorRamp.Width, cmbColorRamp.Height);
Image image = Image.FromHbitmap(new System.IntPtr(pPicture.Handle));
cmbColorRamp.Items.Add(image);
}
if (pSymbolClass.ItemCount > 0)
{
pSymbolClass.SelectItem(0);
}
if (cmbColorRamp.Items.Count > 0)
{
cmbColorRamp.SelectedIndex = 0;
}
}
}
//返回样式图片
public void GetImageByGiveSymbolBeforeSelectItem(esriSymbologyStyleClass styleClass, ISymbol symbol)
{
axSymbologyControl.StyleClass = styleClass;
ISymbologyStyleClass symbologyStyleClass = axSymbologyControl.GetStyleClass(styleClass);
IStyleGalleryItem styleGalleryItem = new ServerStyleGalleryItem();
styleGalleryItem.Item = symbol;
stdole.IPictureDisp picture = symbologyStyleClass.PreviewItem(styleGalleryItem, ImagePreview.Width, ImagePreview.Height);
System.Drawing.Image pImage = System.Drawing.Image.FromHbitmap(new System.IntPtr(picture.Handle));
ImagePreview.Image = pImage;
}
private void btnok_Click(object sender, EventArgs e)
{
if (pSymbolOK != null)
{
IStyleGalleryItem currentStyleGalleryItem = new ServerStyleGalleryItem();
currentStyleGalleryItem.Item = pSymbolOK;
psymbologyStyleClass.AddItem(currentStyleGalleryItem, 0);
psymbologyStyleClass.SelectItem(0);
this.Close();
}
else
{
}
}
//选择样式前返回面图片
public Image GetImageByGiveAreaSymbolBeforeSelectItem(esriSymbologyStyleClass styleClass, IAreaPatch symbol, int width, int height)
{
axSymbologyCtlFrame.StyleClass = styleClass;
ISymbologyStyleClass symbologyStyleClass = axSymbologyCtlFrame.GetStyleClass(styleClass);
IStyleGalleryItem styleGalleryItem = new ServerStyleGalleryItem();
styleGalleryItem.Item = symbol;
symbologyStyleClass.AddItem(styleGalleryItem, 0);
symbologyStyleClass.SelectItem(0);
stdole.IPictureDisp picture = symbologyStyleClass.PreviewItem(pStyleGalleryItem, width, height);
System.Drawing.Image image = System.Drawing.Image.FromHbitmap(new System.IntPtr(picture.Handle));
return(image);
}
/// <summary>
/// 根据符号样式类别初始化SymbologyControl，如果图层已有符号，则把符号作为SymbologyControl的第一个符号并选中
/// </summary>
/// <param name="eSymbologyStyleClass">符号样式类别枚举（点/线/面/标注/文本/指北针/比例尺等样式类别）</param>
private void SetFeatureClassStyle(esriSymbologyStyleClass eSymbologyStyleClass)
{
SymbologyControl.StyleClass = eSymbologyStyleClass;//获取指定类别的符号样式库，即当前是点/线/面/标注/文本/指北针/比例尺等符号库的哪一个符号库
var symbologyStyleClass = SymbologyControl.GetStyleClass(eSymbologyStyleClass);
if (LegendClass != null)
{
StyleGalleryItem = new ServerStyleGalleryItem {
Name = "当前符号", Item = LegendClass.Symbol
};
symbologyStyleClass.AddItem(StyleGalleryItem, 0);
}
symbologyStyleClass.SelectItem(0);
}
/// <summary>
/// ���ú�SymbologyControl��StyleClass,�����ͼ��,�ѵ�ǰ��TOCͼ���ķ�����ӵ���ǰSymbologyStyleClass��ȥ,����֮����ѡ��״̬
/// </summary>
/// <param name="symbologyStyleClass"></param>
private void SetFeatureClassStyle(esriSymbologyStyleClass symbologyStyleClass)
{
this.axSymbologyControl.StyleClass = symbologyStyleClass;
ISymbologyStyleClass pSymbologyStyleClass = this.axSymbologyControl.GetStyleClass(symbologyStyleClass);
if (this.pLegendClass != null)
{
IStyleGalleryItem currentStyleGalleryItem = new ServerStyleGalleryItem();
currentStyleGalleryItem.Name = "Current Symbol";
currentStyleGalleryItem.Item = pLegendClass.Symbol;
pSymbologyStyleClass.AddItem(currentStyleGalleryItem, 0);
this.pStyleGalleryItem = currentStyleGalleryItem;
}
pSymbologyStyleClass.SelectItem(0);
}
private void SetFeatureClassStyle(esriSymbologyStyleClass symbologyStyleClass)
{
this.axSymbologyControl1.StyleClass = symbologyStyleClass;
ISymbologyStyleClass pSymbologyStyleClass = this.axSymbologyControl1.
GetStyleClass(symbologyStyleClass);
if (this.pLegendClass != null)
{
IStyleGalleryItem currentStyleGalleryItem = new ServerStyleGalleryItem();
currentStyleGalleryItem.Name = "当前符号";
currentStyleGalleryItem.Item = pLegendClass.Symbol;
pSymbologyStyleClass.AddItem(currentStyleGalleryItem, 0);
this.pStyleGalleryItem = currentStyleGalleryItem;
}
pSymbologyStyleClass.SelectItem(0);
}
public IStyleGalleryItem GetItem(esriSymbologyStyleClass styleClass, ISymbol symbol)
{
m_styleGalleryItem = null;
//Get and set the style class
axSymbologyControl1.StyleClass = styleClass;
ISymbologyStyleClass symbologyStyleClass = axSymbologyControl1.GetStyleClass(styleClass);
//Create a new server style gallery item with its style set
IStyleGalleryItem styleGalleryItem = new ServerStyleGalleryItem();
styleGalleryItem.Item = symbol;
styleGalleryItem.Name = "mySymbol";
//Add the item to the style class and select it
symbologyStyleClass.AddItem(styleGalleryItem, 0);
symbologyStyleClass.SelectItem(0);
//Show the modal form
this.ShowDialog();
return(m_styleGalleryItem);
}
//选择样式前返回图片
public Image GetImageByGiveSymbolBeforeSelectItem(esriSymbologyStyleClass styleClass, ISymbol symbol, int width, int height)
{
try
{
axSymbologyControl.StyleClass = styleClass;
ISymbologyStyleClass symbologyStyleClass = axSymbologyControl.GetStyleClass(styleClass);
IStyleGalleryItem styleGalleryItem = new ServerStyleGalleryItem();
styleGalleryItem.Item = symbol;
//// styleGalleryItem.Name = "DefaultSymbol";
symbologyStyleClass.AddItem(styleGalleryItem, 0);
symbologyStyleClass.SelectItem(0);
stdole.IPictureDisp picture = symbologyStyleClass.PreviewItem(pStyleGalleryItem, width, height);
System.Drawing.Image image = System.Drawing.Image.FromHbitmap(new System.IntPtr(picture.Handle));
return(image);
}
catch (System.Exception ex)
{
MessageBox.Show(ex.StackTrace);
return(null);
}
}
public IStyleGalleryItem GetItem(esriSymbologyStyleClass styleClass, ISymbol symbol)
{
this._styleGalleryItem = null;
//Get and set the style class
this._axSymCtrl.StyleClass = styleClass;
ISymbologyStyleClass symbologyStyleClass = this._axSymCtrl.GetStyleClass(styleClass);
//Create a new server style gallery item with its style set
IStyleGalleryItem styleGalleryItem = new ServerStyleGalleryItem();
styleGalleryItem.Item = symbol;
styleGalleryItem.Name = "Current";
//Add the item to the style class and select it
symbologyStyleClass.AddItem(styleGalleryItem, 0);
symbologyStyleClass.SelectItem(0);
//Show the modal form
this.ShowDialog();
return this._styleGalleryItem;
}
private void SetFeatureClassStyle(esriSymbologyStyleClass styleClass, ISymbol symbol)
{
m_styleGalleryItem = null;
//Get and set the style class
m_axSymbologyControl.StyleClass = styleClass;
ISymbologyStyleClass symbologyStyleClass = m_axSymbologyControl.GetStyleClass(styleClass);
//Create a new server style gallery item with its style set
IStyleGalleryItem styleGalleryItem = new ServerStyleGalleryItem();
styleGalleryItem.Item = symbol;
styleGalleryItem.Name = "mySymbol";
//Add the item to the style class and select it
symbologyStyleClass.AddItem(styleGalleryItem, 0);
symbologyStyleClass.SelectItem(0);
}
/// <summary>
/// 初始化SymbologyControl的StyleClass,图层如果已有符号,则把符号添加到SymbologyControl中的第一个符号,并选中
/// </summary>
/// <param name="symbologyStyleClass"></param>
private void SetFeatureClassStyle(esriSymbologyStyleClass symbologyStyleClass)
{
this.axSymbologyControl.StyleClass = symbologyStyleClass;
ISymbologyStyleClass pSymbologyStyleClass = this.axSymbologyControl.GetStyleClass(symbologyStyleClass);
if (this.pLegendClass != null)
{
IStyleGalleryItem currentStyleGalleryItem = new ServerStyleGalleryItem();
currentStyleGalleryItem.Name = "当前符号";
currentStyleGalleryItem.Item = pLegendClass.Symbol;
pSymbologyStyleClass.AddItem(currentStyleGalleryItem, 0);
this.pStyleGalleryItem = currentStyleGalleryItem;
}
pSymbologyStyleClass.SelectItem(0);
}
/// <summary>
/// 初始化与拉伸相关控件
/// </summary>
private void initstreach()
{
string sInstall = ClsGDBDataCommon.GetParentPathofExe() + @"Resource\Style\ESRI.ServerStyle";
axSymbologyControl1.LoadStyleFile(sInstall);
axSymbologyControl1.StyleClass = esriSymbologyStyleClass.esriStyleClassColorRamps;
pSymbolClass = axSymbologyControl1.GetStyleClass(esriSymbologyStyleClass.esriStyleClassColorRamps);
pRasterRender = pRLayer.Renderer;
pRasterRenderColorRamp = pRasterRender as IRasterRendererColorRamp;
//生成色度带
if (pRasterRender is IRasterStretchColorRampRenderer)
{
IStyleGalleryItem pStyleGalleryItem = new ServerStyleGalleryItem();
pStyleGalleryItem.Item = pRasterRenderColorRamp.ColorRamp;
pSymbolClass.AddItem(pStyleGalleryItem, 0);
pSymbolClass.SelectItem(0);
}
for (int i = 0; i < pSymbolClass.get_ItemCount(pSymbolClass.StyleCategory); i++)
{
stdole.IPictureDisp pPicture = pSymbolClass.PreviewItem(pSymbolClass.GetItem(i), cmbColorRamp.Width, cmbColorRamp.Height);
Image image = Image.FromHbitmap(new System.IntPtr(pPicture.Handle));
cmbColorRamp.Items.Add(image);
}
if (cmbColorRamp.Items.Count > 0)
{
cmbColorRamp.SelectedIndex = 0;
}
//判断拉伸方式和拉伸波段
if (pRasterRender is IRasterStretchColorRampRenderer)
{
pSCRampRender = pRasterRender as IRasterStretchColorRampRenderer;
pRasterStretch = pRasterRender as IRasterStretch;
int bandindex = pSCRampRender.BandIndex;
cmbBand.SelectedIndex = bandindex;
if (pRasterStretch.StretchType == esriRasterStretchTypesEnum.esriRasterStretch_Custom)
{
cmbStreach.SelectedIndex = 1;
}
else if (pRasterStretch.StretchType == esriRasterStretchTypesEnum.esriRasterStretch_MinimumMaximum)
{
cmbStreach.SelectedIndex = 2;
}
else if (pRasterStretch.StretchType == esriRasterStretchTypesEnum.esriRasterStretch_StandardDeviations)
{
cmbStreach.SelectedIndex = 3;
}
else if (pRasterStretch.StretchType == esriRasterStretchTypesEnum.esriRasterStretch_HistogramEqualize)
{
cmbStreach.SelectedIndex = 4;
}
else
{
cmbStreach.SelectedIndex = 0;
}
lblminstr.Text = pSCRampRender.LabelLow;
lblmaxstr.Text = pSCRampRender.LabelHigh;
txtmin.Text = pSCRampRender.LabelLow;
txtmax.Text = pSCRampRender.LabelHigh;
if (pRasterStretch.StretchType == esriRasterStretchTypesEnum.esriRasterStretch_MinimumMaximum)
{
txtmax.Visible = true;
txtmin.Visible = false;
}
}
else
{
cmbBand.SelectedIndex = 0;
cmbStreach.SelectedIndex = 0;
}
isminmax = true;
}
