//////////////////////////输出当前视图
public static void ExportWindow(AxMapControl MapCtrl)
{
SaveFileDialog pSaveDialog = new SaveFileDialog();
pSaveDialog.FileName = "";
pSaveDialog.Filter = "JPG图片(*.JPG)|*.jpg|tif图片(*.tif)|*.tif";
if (pSaveDialog.ShowDialog() == DialogResult.OK)
{
double iScreenDispalyResolution = MapCtrl.ActiveView.ScreenDisplay.DisplayTransformation.Resolution;
IExporter pExporter = null;
if (pSaveDialog.FilterIndex == 1)
{
pExporter = new JpegExporterClass();
}
else if (pSaveDialog.FilterIndex == 2)
{
pExporter = new TiffExporterClass();
}
pExporter.ExportFileName = pSaveDialog.FileName;
pExporter.Resolution = (short)iScreenDispalyResolution;
tagRECT deviceRect = MapCtrl.ActiveView.ScreenDisplay.DisplayTransformation.get_DeviceFrame();
IEnvelope pDeviceEnvelope = new EnvelopeClass();
pDeviceEnvelope.PutCoords(deviceRect.left, deviceRect.bottom, deviceRect.right, deviceRect.top);
pExporter.PixelBounds = pDeviceEnvelope;
ITrackCancel pCancle = new CancelTrackerClass();
MapCtrl.ActiveView.Output(pExporter.StartExporting(), pExporter.Resolution, ref deviceRect, MapCtrl.ActiveView.Extent, pCancle);
pExporter.FinishExporting();
}
}
//导出地图
public void ExportMapToImage(AxPageLayoutControl axPageLayoutControl1)
{
try
{
SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.FileName = "";
saveFileDialog.Filter = "JPG图片(*.JPG)|*.jpg|tif图片(*.tif)|*.tif|PDF文档(*.PDF)|*.pdf";
if (saveFileDialog.ShowDialog() == DialogResult.OK)
{
double iScreenDispalyResolution = axPageLayoutControl1.ActiveView.ScreenDisplay.
DisplayTransformation.Resolution;// 获取屏幕分辨率的值
IExporter exporter = new JpegExporterClass();
exporter.ExportFileName = saveFileDialog.FileName;
exporter.Resolution = (short)iScreenDispalyResolution; //分辨率
tagRECT deviceRect = axPageLayoutControl1.ActiveView.ScreenDisplay.DisplayTransformation.get_DeviceFrame();
IEnvelope deviceEnvelope = new EnvelopeClass();
deviceEnvelope.PutCoords(deviceRect.left, deviceRect.bottom, deviceRect.right, deviceRect.top);
exporter.PixelBounds = deviceEnvelope; // 输出图片的范围
ITrackCancel pCancle = new CancelTrackerClass(); //可用ESC键取消操作
axPageLayoutControl1.ActiveView.Output(exporter.StartExporting(), exporter.Resolution, ref deviceRect,
axPageLayoutControl1.ActiveView.Extent, pCancle);
Application.DoEvents();
exporter.FinishExporting();
}
}
catch (Exception Err)
{
MessageBox.Show(Err.Message, "输出图片", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
private void miOutput_Click(object sender, EventArgs e)
{
SaveFileDialog pSaveDialog = new SaveFileDialog();
pSaveDialog.FileName = "";
pSaveDialog.Filter = "JPEG图片（*.JPG）|*.jpg|TIFF图片（*.TIF）|*.tif|PDF文档（*.PDF）|*.pdf）";
if (pSaveDialog.ShowDialog() == DialogResult.OK)
{
double iScreenDisplayResolution = axPageLayoutControl1.ActiveView.ScreenDisplay.DisplayTransformation.Resolution;
IExporter pExporter = null;
if (pSaveDialog.FilterIndex == 1)
{
pExporter = new JpegExporterClass();
}
else if (pSaveDialog.FilterIndex == 2)
{
pExporter = new TiffExporterClass();
}
else if (pSaveDialog.FilterIndex == 3)
{
pExporter = new PDFExporterClass();
}
pExporter.ExportFileName = pSaveDialog.FileName;
pExporter.Resolution = (short)iScreenDisplayResolution;
tagRECT deviceRect = axPageLayoutControl1.ActiveView.ScreenDisplay.DisplayTransformation.get_DeviceFrame();
IEnvelope pDeviceEnvelope = new EnvelopeClass();
pDeviceEnvelope.PutCoords(deviceRect.left, deviceRect.bottom, deviceRect.right, deviceRect.top);
pExporter.PixelBounds = pDeviceEnvelope;
ITrackCancel pCancel = new CancelTrackerClass();
axPageLayoutControl1.ActiveView.Output(pExporter.StartExporting(), pExporter.Resolution, ref deviceRect, axPageLayoutControl1.ActiveView.Extent, pCancel);
Application.DoEvents();
pExporter.FinishExporting();
}
}
public static void ExportActiveView(IActiveView pActiveView, string strImagePath)
{
IExporter pExporter;
IEnvelope pEnv;
tagRECT rectExpFrame;
int hdc;
short dpi;
pExporter = new JpegExporterClass();
pEnv = new EnvelopeClass();
//Setup the exporter
rectExpFrame = pActiveView.ExportFrame;
pEnv.PutCoords(rectExpFrame.left, rectExpFrame.top, rectExpFrame.right, rectExpFrame.bottom);
dpi = 96;
pExporter.PixelBounds = pEnv;
pExporter.ExportFileName = strImagePath;
pExporter.Resolution = dpi;
hdc = pExporter.StartExporting();
pActiveView.Output(hdc, dpi, ref rectExpFrame, null, null);
pExporter.FinishExporting();
}
public static void ExportMap(IActiveView activeView)
{
SaveFileDialog sfg = new SaveFileDialog()
{
Title = "导出jpg格式图片",
Filter = "JPG图片(*.jpg)|*.jpg"
};
if (sfg.ShowDialog() == DialogResult.OK)
{
// 打印机接口
IExporter pExporter = new JpegExporterClass()
{
ExportFileName = sfg.FileName,
Resolution = (short)activeView.ScreenDisplay.DisplayTransformation.Resolution
};
// 设置输出地图范围
tagRECT pTagRECT = activeView.ScreenDisplay.DisplayTransformation.get_DeviceFrame();
IEnvelope pEnvelope = new EnvelopeClass()
{
XMin = pTagRECT.left,
XMax = pTagRECT.right,
YMin = pTagRECT.bottom,
YMax = pTagRECT.top
};
pExporter.PixelBounds = pEnvelope;
//// 输出地图
activeView.Output(pExporter.StartExporting(), pExporter.Resolution, ref pTagRECT, activeView.Extent, null);
Application.DoEvents();
pExporter.FinishExporting();
MessageBox.Show("已将地图导出为jpg格式图片");
}
}
public bool ExportImage(IActiveView pActiveView, ref string sFileName, ref int iImageWidth, ref int iImageHeight, double dDpi, bool bOverwritePrompt)
{
try
{
if (pActiveView == null)
{
return(false);
}
if (string.IsNullOrEmpty(sFileName))
{
sFileName = GISFunFactory.SystemFun.GetTempPath() + "~ExportImage.Jpg";
bOverwritePrompt = false;
}
if ((File.Exists(sFileName) & bOverwritePrompt) && (Interaction.MsgBox("文件 " + sFileName + " 已存在。\r\n是否要替换？", MsgBoxStyle.YesNo, "确认替换") != MsgBoxResult.Yes))
{
return(false);
}
if (File.Exists(sFileName))
{
FileSystem.Kill(sFileName);
}
if (File.Exists(sFileName))
{
Interaction.MsgBox("文件 " + sFileName + " 无法删除。\r\n共享冲突，文件正在使用。", MsgBoxStyle.Exclamation, "删除文件错误");
return(false);
}
double resolution = 0.0;
IDisplayTransformation displayTransformation = null;
displayTransformation = pActiveView.ScreenDisplay.DisplayTransformation;
if (displayTransformation.ZoomResolution)
{
displayTransformation.ZoomResolution = false;
resolution = displayTransformation.Resolution;
displayTransformation.ZoomResolution = true;
}
else
{
resolution = displayTransformation.Resolution;
}
if (resolution <= 0.0)
{
resolution = 96.0;
}
if (dDpi <= 0.0)
{
dDpi = resolution;
}
tagRECT pixelBounds = new tagRECT();
pixelBounds = pActiveView.ExportFrame;
pixelBounds.bottom = (int)(double.Parse(pixelBounds.bottom.ToString()) * (dDpi / resolution));
pixelBounds.right = (int)(double.Parse(pixelBounds.right.ToString()) * (dDpi / resolution));
if (iImageWidth > 0)
{
dDpi *= (double)(iImageWidth / pixelBounds.right);
pixelBounds.bottom *= iImageWidth / pixelBounds.right;
pixelBounds.right = iImageWidth;
}
if ((iImageHeight > 0) & (pixelBounds.bottom > iImageHeight))
{
dDpi *= (double)(iImageHeight / pixelBounds.bottom);
pixelBounds.right *= iImageHeight / pixelBounds.bottom;
pixelBounds.bottom = iImageHeight;
}
IExporter exporter = null;
exporter = new JpegExporterClass();
if (exporter == null)
{
return(false);
}
exporter.Resolution = (short)dDpi;
exporter.ExportFileName = sFileName;
IEnvelope envelope = null;
envelope = new EnvelopeClass();
envelope.PutCoords((double)pixelBounds.left, (double)pixelBounds.bottom, (double)pixelBounds.right, (double)pixelBounds.top);
exporter.PixelBounds = envelope;
int hDC = 0;
hDC = exporter.StartExporting();
pActiveView.Output(hDC, (int)dDpi, ref pixelBounds, null, null);
exporter.FinishExporting();
iImageWidth = (int)envelope.Width;
iImageHeight = (int)envelope.Height;
return(true);
}
catch (Exception exception)
{
this.mErrOpt.ErrorOperate(this.mSubSysName, "FunFactory.CoreFun", "ExportImage", exception.GetHashCode().ToString(), exception.Source, exception.Message, "", "", "");
return(false);
}
}
public static void ExportActiveView(IActiveView pActiveView ,string strImagePath)
{
IExporter pExporter;
IEnvelope pEnv;
tagRECT rectExpFrame;
int hdc;
short dpi;
pExporter=new JpegExporterClass();
pEnv=new EnvelopeClass();
//Setup the exporter
rectExpFrame = pActiveView.ExportFrame;
pEnv.PutCoords(rectExpFrame.left,rectExpFrame.top,rectExpFrame.right,rectExpFrame.bottom);
dpi=96;
pExporter.PixelBounds=pEnv;
pExporter.ExportFileName=strImagePath;
pExporter.Resolution=dpi;
hdc=pExporter.StartExporting();
pActiveView.Output(hdc,dpi,ref rectExpFrame,null,null);
pExporter.FinishExporting();
}
