/// <summary>
/// 根据文件路径和路径中的扩展名，来决定生成导出不同类型图片的Export对象
/// </summary>
/// <param name="picPath">导出的图片的路径</param>
/// <param name="resolution"></param>
/// <returns></returns>
private static IExport CreateExport(string picPath, double resolution)
{
IExport export;
string extension = System.IO.Path.GetExtension(picPath)?.ToLower();
switch (extension)
{
case ".jpg": export = new ExportJPEGClass(); break;
case ".tiff": export = new ExportTIFFClass(); break;
case ".bmp": export = new ExportBMPClass(); break;
case ".emf": export = new ExportEMFClass(); break;
case ".png": export = new ExportPNGClass(); break;
case ".gif": export = new ExportGIFClass(); break;
case ".pdf": export = new ExportPDFClass(); break;
case ".eps": export = new ExportPSClass(); break;
case ".ai": export = new ExportAIClass(); break;
case ".svg": export = new ExportSVGClass(); break;
default: throw new Exception("不支持的图片输出格式！（程序支持的图片格式包括：jpg,tiff,bmp,emf,png,gif,pdf,eps,ai,svg）");
}
export.ExportFileName = picPath;
export.Resolution = resolution;
return(export);
}
/// <summary>
/// IExport point to certain type of instantiation
/// </summary>
/// <param name="pOutPath"></param>
/// <returns></returns>
public static IExport OutExport(string pOutPath)
{
IExport outExport = null;
if (pOutPath.EndsWith(".jpg"))
{
outExport = new ExportJPEGClass();
//Information of Corordinates, BUT also NOT WELL worked as for .png
IWorldFileSettings WFS = outExport as IWorldFileSettings;
WFS.OutputWorldFile = true;
}
else if (pOutPath.EndsWith(".tif"))
{
outExport = new ExportTIFFClass();
//Information of Corordinates
((IExportTIFF)outExport).GeoTiff = true;
}
else if (pOutPath.EndsWith(".png"))
{
outExport = new ExportPNGClass();
}
return(outExport);
}
public static void ExportView(IActiveView activeView, IGeometry pGeo, int OutputResolution, int Width,
int Height, string ExpPath, bool bRegion)
{
IExport pExport;
tagRECT exportRect = new tagRECT();
IEnvelope pEnvelope = pGeo.Envelope;
string sType = System.IO.Path.GetExtension(ExpPath);
switch (sType)
{
case ".jpg":
pExport = new ExportJPEGClass();
break;
case ".bmp":
pExport = new ExportBMPClass();
break;
case ".gif":
pExport = new ExportGIFClass();
break;
case ".tif":
pExport = new ExportTIFFClass();
break;
case ".png":
pExport = new ExportPNGClass();
break;
case ".pdf":
pExport = new ExportPDFClass();
break;
default:
MessageBox.Show("没有输出格式，默认到JPEG格式");
pExport = new ExportJPEGClass();
break;
}
pExport.ExportFileName = ExpPath;
exportRect.left = 0;
exportRect.top = 0;
exportRect.right = Width;
exportRect.bottom = Height;
if (bRegion)
{
//删除区域导出拖出的多边形框
activeView.GraphicsContainer.DeleteAllElements();
activeView.Refresh();
}
IEnvelope envelope = new EnvelopeClass();
envelope.PutCoords(exportRect.left, exportRect.top, exportRect.right, exportRect.bottom);
pExport.PixelBounds = envelope;
activeView.Output(pExport.StartExporting(), OutputResolution, ref exportRect, pEnvelope, null);
pExport.FinishExporting();
pExport.Cleanup();
}
private void ShowOutputFileDialog(IActiveView docActiveView, int iOutputResolution = 320)
{
IExport docExport;
IPrintAndExport docPrintExport;
IWorldFileSettings worldFileSetting;
//string localFilePath, fileNameExt, newFileName, FilePath;
SaveFileDialog sfd = new SaveFileDialog();
//设置对话框标题
sfd.Title = "地图输出";
//设置文件类型
sfd.Filter = "EMF（*.emf）|*.emf|AI (*.ai) |*.ai|PDF (*.pdf)|*.pdf |SVG (*.svg)| *.svg|TIFF（*.tif）|*.tif|JPEG (*.jpg)| *.jpg|PNG (*.png)| *.png";
//设置默认文件类型显示顺序
sfd.FilterIndex = 5;
//保存对话框是否记忆上次打开的目录
sfd.RestoreDirectory = true;
//设置默认的文件名
int start = m_mapDocumentName.LastIndexOf("\\");
int end = m_mapDocumentName.LastIndexOf(".");
sfd.FileName = m_mapDocumentName.Substring(start + 1, end - start - 1);
//点了保存按钮进入
if (sfd.ShowDialog() == DialogResult.OK && sfd.FileName != "")
{
switch (sfd.FilterIndex)
{
case 1: { docExport = new ExportEMFClass(); break; }
case 2: { docExport = new ExportAIClass(); break; }
case 3: { docExport = new ExportPDFClass(); break; }
case 4: { docExport = new ExportSVGClass(); break; }
case 5:
{
docExport = new ExportTIFFClass();
IExportTIFF exportTiff = docExport as IExportTIFF;
exportTiff.GeoTiff = true;
exportTiff.CompressionType = esriTIFFCompression.esriTIFFCompressionLZW;
break;
} //对于TIFF格式导出带有地理配准的文件
case 6: { docExport = new ExportJPEGClass(); break; }
case 7: { docExport = new ExportPNGClass(); break; }
default: { docExport = new ExportTIFFClass(); break; }
}
docPrintExport = new PrintAndExportClass();
worldFileSetting = docExport as IWorldFileSettings;
string localFilePath = sfd.FileName.ToString(); //获得文件路径
//string fileNameExt = localFilePath.Substring(localFilePath.LastIndexOf("\\") + 1); //获取文件名，不带路径
docExport.ExportFileName = localFilePath;
docPrintExport.Export(docActiveView, docExport, iOutputResolution, true, null);
}
}
/// <summary>
/// Occurs when this command is clicked
/// </summary>
public override void OnClick()
{
// TODO: Add ControlsExportMapCommandClass.OnClick implementation
if (m_hookHelper == null)
{
return;
}
try
{
SaveFileDialog saveFileDlg = new SaveFileDialog();
saveFileDlg.Filter = "(*jpeg)|*jpeg|(*.tif)|*tif|(*.pdf)|*.pdf|(*.bmp)|*.bmp|(*.gif)|*.gif|(*.png)|*.png";
if (saveFileDlg.ShowDialog() == DialogResult.OK)
{
IExport export = null;
if (1 == saveFileDlg.FilterIndex)
{
export = new ExportJPEGClass(); export.ExportFileName = saveFileDlg.FileName + ".jpeg";
}
else if (2 == saveFileDlg.FilterIndex)
{
export = new ExportTIFFClass(); export.ExportFileName = saveFileDlg.FileName + ".tif";
}
else if (3 == saveFileDlg.FilterIndex)
{
export = new ExportPDFClass(); export.ExportFileName = saveFileDlg.FileName /* + ".pdf"*/;
}
else if (4 == saveFileDlg.FilterIndex)
{
export = new ExportBMPClass(); export.ExportFileName = saveFileDlg.FileName /* + ".bmp"*/;
}
else if (5 == saveFileDlg.FilterIndex)
{
export = new ExportGIFClass(); export.ExportFileName = saveFileDlg.FileName /* + ".gif"*/;
}
else if (6 == saveFileDlg.FilterIndex)
{
export = new ExportPNGClass(); export.ExportFileName = saveFileDlg.FileName /* + ".png"*/;
}
int res = 96;
export.Resolution = res;
tagRECT exportRECT = (m_hookHelper.Hook as IMapControl3).ActiveView.ExportFrame;
IEnvelope pENV = new EnvelopeClass();
pENV.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom);
export.PixelBounds = pENV;
int Hdc = export.StartExporting();
IEnvelope pVisibleBounds = null;
ITrackCancel pTrack = null;
(m_hookHelper.Hook as IMapControl3).ActiveView.Output(Hdc, (int)export.Resolution, ref exportRECT, pVisibleBounds, pTrack);
Application.DoEvents();
export.FinishExporting();
export.Cleanup();
}
}
catch
{
}
}
//使用静态方法提高代码的复用性
public static void ExportView(IActiveView ActiveView, int _resolution, IGeometry pGeo, int Width, int Height, string pathtxt, bool bRegion)
{
IExport pExort = null;
tagRECT pRect = new tagRECT();
IEnvelope pEnvelope = pGeo.Envelope;
string outputType = System.IO.Path.GetExtension(pathtxt).ToLower();
switch (outputType)
{
case ".jpg":
pExort = new ExportJPEGClass();
break;
case ".bmp":
pExort = new ExportBMPClass();
break;
case ".gif":
pExort = new ExportGIFClass();
break;
case ".tif":
pExort = new ExportTIFFClass();
break;
case ".png":
pExort = new ExportPNGClass();
break;
case ".pdf":
pExort = new ExportPDFClass();
break;
default:
MessageBox.Show("未设置输出格式,默认为jpg格式", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
pExort = new ExportJPEGClass();
break;
}
pExort.ExportFileName = pathtxt;
pRect.left = 0; pRect.top = 0;
pRect.right = Width; pRect.bottom = Height;
//
if (bRegion)
{
ActiveView.GraphicsContainer.DeleteAllElements();
ActiveView.Refresh();
}
//获取输出影像范围的矩形大小
IEnvelope envelope = new EnvelopeClass();
envelope.PutCoords((double)pRect.left, (double)pRect.top, (double)pRect.right, (double)pRect.bottom);
pExort.PixelBounds = envelope;
ActiveView.Output(pExort.StartExporting(), _resolution, ref pRect, pEnvelope, null);
pExort.FinishExporting();
pExort.Cleanup();
}
/// <summary>
/// 导出地图
/// </summary>
/// <param name="activeView">当前地图</param>
/// <param name="geo">几何图形</param>
/// <param name="OutputResolution">输出分辨率</param>
/// <param name="width">宽</param>
/// <param name="height">高</param>
/// <param name="expPath">输出路径</param>
/// <param name="isRegion">是否时范围输出</param>
public static void ExportView(IActiveView activeView, IGeometry geo, int OutputResolution, int width, int height, string expPath, bool isRegion)
{
IExport export = null;
IEnvelope envelope = geo.Envelope;
string outputType = System.IO.Path.GetExtension(expPath);
switch (outputType)
{
case ".jpg":
export = new ExportJPEGClass();
break;
case ".bmp":
export = new ExportBMPClass();
break;
case ".gif":
export = new ExportGIFClass();
break;
case ".tif":
export = new ExportTIFFClass();
break;
case ".png":
export = new ExportPNGClass();
break;
case ".pdf":
export = new ExportPDFClass();
break;
default:
MessageBox.Show("没有输出格式，默认到JPEG格式");
export = new ExportJPEGClass();
break;
}
export.ExportFileName = expPath;
tagRECT rect = new tagRECT();
rect.top = 0; rect.left = 0;
rect.right = width; rect.bottom = height;
if (isRegion)
{
activeView.GraphicsContainer.DeleteAllElements();
activeView.Refresh();
}
IEnvelope env = new EnvelopeClass();
env.PutCoords((double)rect.left, (double)rect.top, (double)rect.right, (double)rect.bottom);
export.PixelBounds = env;
activeView.Output(export.StartExporting(), OutputResolution, ref rect, envelope, null);
export.FinishExporting();
export.Cleanup();
}
/// <summary>
/// 全域导出
/// </summary>
/// <param name="OutputResolution">输出分辨率</param>
/// <param name="ExpPath">输出路径</param>
/// <param name="view">视图</param>
public static void ExportActiveView(int OutputResolution, string ExpPath, IActiveView view)
{
IExport pExport = null;
tagRECT exportRect;
IEnvelope envelope2 = view.Extent;
int num = (int)Math.Round(view.ScreenDisplay.DisplayTransformation.Resolution);
string sType = System.IO.Path.GetExtension(ExpPath);
switch (sType)
{
case ".jpg":
pExport = new ExportJPEGClass();
break;
case ".bmp":
pExport = new ExportBMPClass();
break;
case ".gif":
pExport = new ExportGIFClass();
break;
case ".tif":
pExport = new ExportTIFFClass();
break;
case ".png":
pExport = new ExportPNGClass();
break;
case ".pdf":
pExport = new ExportPDFClass();
break;
default:
MessageBox.Show("没有输出格式，默认到JPEG格式");
pExport = new ExportJPEGClass();
break;
}
pExport.ExportFileName = ExpPath;
exportRect.left = 0; exportRect.top = 0;
exportRect.right = (int)Math.Round((double)(view.ExportFrame.right * (((double)OutputResolution) / ((double)num))));
exportRect.bottom = (int)Math.Round((double)(view.ExportFrame.bottom * (((double)OutputResolution) / ((double)num))));
IEnvelope envelope = new EnvelopeClass();
envelope.PutCoords((double)exportRect.left, (double)exportRect.top, (double)exportRect.right, (double)exportRect.bottom);
pExport.PixelBounds = envelope;
view.Output(pExport.StartExporting(), OutputResolution, ref exportRect, envelope2, null);
pExport.FinishExporting();
pExport.Cleanup();
}
/// <summary>
/// 设置导出路径，获取导出工具
/// </summary>
/// <returns></returns>
public static IExport GetExport()
{
string filter =
"JPGE 文件(*.jpeg)|*.jpeg|BMP 文件(*.bmp)|*.bmp|GIF 文件(*.gif)|*.gif|TIF 文件(*.tif)|*.tif|PNG 文件(*.png)|*.png|PDF 文件(*.pdf)|*.pdf";
string outPath = FileAndFolderDialog.GetSaveFilePath(filter);
if (string.IsNullOrEmpty(outPath))
{
return(null);
}
IExport pExport;
string sType = System.IO.Path.GetExtension(outPath);
switch (sType)
{
case ".jpeg":
pExport = new ExportJPEGClass();
break;
case ".bmp":
pExport = new ExportBMPClass();
break;
case ".gif":
pExport = new ExportGIFClass();
break;
case ".tif":
pExport = new ExportTIFFClass();
break;
case ".png":
pExport = new ExportPNGClass();
break;
case ".pdf":
pExport = new ExportPDFClass();
break;
default:
MessageBox.Show("没有输出格式，默认到JPEG格式");
pExport = new ExportJPEGClass();
break;
}
pExport.ExportFileName = outPath;
return(pExport);
}
/// <summary>
/// 输出图片
/// </summary>
/// <param name="MapCtrl">AxMapControl控件</param>
public static void ExportFile(AxMapControl MapCtrl)
{
try
{
SaveFileDialog sfd = new SaveFileDialog();
sfd.Filter = "(*.tif)|*tif|(*jpg)|*jpg|(*.pdf)|*.pdf|(*.bmp)|*.bmp";
if (sfd.ShowDialog() == DialogResult.OK)
{
IExport pExport = null;
if (1 == sfd.FilterIndex)
{
pExport = new ExportTIFFClass();
pExport.ExportFileName = sfd.FileName + ".tif";
}
else if (2 == sfd.FilterIndex)
{
pExport = new ExportJPEGClass(); pExport.ExportFileName = sfd.FileName + ".jpeg";
}
else if (3 == sfd.FilterIndex)
{
pExport = new ExportPDFClass(); pExport.ExportFileName = sfd.FileName + ".pdf";
}
else if (4 == sfd.FilterIndex)
{
pExport = new ExportBMPClass(); pExport.ExportFileName = sfd.FileName + ".bmp";
}
//pExport.ExportFileName = sfd.FileName;
int res = 96;
pExport.Resolution = res;
tagRECT exportRECT = MapCtrl.ActiveView.ExportFrame;
IEnvelope pENV = new EnvelopeClass();
pENV.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom);
pExport.PixelBounds = pENV;
int Hdc = pExport.StartExporting();
IEnvelope pVisibleBounds = null;
ITrackCancel pTrack = null;
MapCtrl.ActiveView.Output(Hdc, (int)pExport.Resolution, ref exportRECT, pVisibleBounds, pTrack);
System.Windows.Forms.Application.DoEvents();
pExport.FinishExporting();
pExport.Cleanup();
}
}
catch { }
}
/// <summary>
/// Occurs when this command is clicked
/// </summary>
public override void OnClick()
{
// TODO: Add ControlsExportMapCommandClass.OnClick implementation
if (m_hookHelper == null) return;
try
{
SaveFileDialog saveFileDlg = new SaveFileDialog();
saveFileDlg.Filter = "(*jpeg)|*jpeg|(*.tif)|*tif|(*.pdf)|*.pdf|(*.bmp)|*.bmp|(*.gif)|*.gif|(*.png)|*.png";
if (saveFileDlg.ShowDialog() == DialogResult.OK)
{
IExport export = null;
if (1 == saveFileDlg.FilterIndex)
{ export = new ExportJPEGClass(); export.ExportFileName = saveFileDlg.FileName + ".jpeg"; }
else if (2 == saveFileDlg.FilterIndex)
{ export = new ExportTIFFClass(); export.ExportFileName = saveFileDlg.FileName + ".tif"; }
else if (3 == saveFileDlg.FilterIndex)
{ export = new ExportPDFClass(); export.ExportFileName = saveFileDlg.FileName/* + ".pdf"*/; }
else if (4 == saveFileDlg.FilterIndex)
{ export = new ExportBMPClass(); export.ExportFileName = saveFileDlg.FileName/* + ".bmp"*/; }
else if (5 == saveFileDlg.FilterIndex)
{ export = new ExportGIFClass(); export.ExportFileName = saveFileDlg.FileName/* + ".gif"*/; }
else if (6 == saveFileDlg.FilterIndex)
{ export = new ExportPNGClass(); export.ExportFileName = saveFileDlg.FileName/* + ".png"*/; }
int res = 96;
export.Resolution = res;
tagRECT exportRECT = (m_hookHelper.Hook as IMapControl3).ActiveView.ExportFrame;
IEnvelope pENV = new EnvelopeClass();
pENV.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom);
export.PixelBounds = pENV;
int Hdc = export.StartExporting();
IEnvelope pVisibleBounds = null;
ITrackCancel pTrack = null;
(m_hookHelper.Hook as IMapControl3).ActiveView.Output(Hdc, (int)export.Resolution, ref exportRECT, pVisibleBounds, pTrack);
Application.DoEvents();
export.FinishExporting();
export.Cleanup();
}
}
catch
{
}
}
private void ExportActiveViewParameterized(long iOutputResolution, long lResampleRatio, string ExportType, string sOutputDir, Boolean bClipToGraphicsExtent)
{
/* EXPORT PARAMETER: (iOutputResolution) the resolution requested.
* EXPORT PARAMETER: (lResampleRatio) Output Image Quality of the export. The value here will only be used if the export
* object is a format that allows setting of Output Image Quality, i.e. a vector exporter.
* The value assigned to ResampleRatio should be in the range 1 to 5.
* 1 corresponds to "Best", 5 corresponds to "Fast"
* EXPORT PARAMETER: (ExportType) a string which contains the export type to create.
* EXPORT PARAMETER: (sOutputDir) a string which contains the directory to output to.
* EXPORT PARAMETER: (bClipToGraphicsExtent) Assign True or False to determine if export image will be clipped to the graphic
* extent of layout elements. This value is ignored for data view exports
*/
/* Exports the Active View of the document to selected output format. */
// using predefined static member
IActiveView docActiveView = ArcMap.Document.ActiveView;
IExport docExport;
IPrintAndExport docPrintExport;
IOutputRasterSettings RasterSettings;
string sNameRoot;
bool bReenable = false;
if (GetFontSmoothing())
{
/* font smoothing is on, disable it and set the flag to reenable it later. */
bReenable = true;
DisableFontSmoothing();
if (GetFontSmoothing())
{
//font smoothing is NOT successfully disabled, error out.
return;
}
//else font smoothing was successfully disabled.
}
// The Export*Class() type initializes a new export class of the desired type.
if (ExportType == "PDF")
{
docExport = new ExportPDFClass();
}
else if (ExportType == "EPS")
{
docExport = new ExportPSClass();
}
else if (ExportType == "AI")
{
docExport = new ExportAIClass();
}
else if (ExportType == "BMP")
{
docExport = new ExportBMPClass();
}
else if (ExportType == "TIFF")
{
docExport = new ExportTIFFClass();
}
else if (ExportType == "SVG")
{
docExport = new ExportSVGClass();
}
else if (ExportType == "PNG")
{
docExport = new ExportPNGClass();
}
else if (ExportType == "GIF")
{
docExport = new ExportGIFClass();
}
else if (ExportType == "EMF")
{
docExport = new ExportEMFClass();
}
else if (ExportType == "JPEG")
{
docExport = new ExportJPEGClass();
}
else
{
MessageBox.Show("Unsupported export type " + ExportType + ", defaulting to EMF.");
ExportType = "EMF";
docExport = new ExportEMFClass();
}
docPrintExport = new PrintAndExportClass();
//set the name root for the export
sNameRoot = "ExportActiveViewSampleOutput";
//set the export filename (which is the nameroot + the appropriate file extension)
docExport.ExportFileName = sOutputDir + sNameRoot + "." + docExport.Filter.Split('.')[1].Split('|')[0].Split(')')[0];
//Output Image Quality of the export. The value here will only be used if the export
// object is a format that allows setting of Output Image Quality, i.e. a vector exporter.
// The value assigned to ResampleRatio should be in the range 1 to 5.
// 1 corresponds to "Best", 5 corresponds to "Fast"
// check if export is vector or raster
if (docExport is IOutputRasterSettings)
{
// for vector formats, assign the desired ResampleRatio to control drawing of raster layers at export time
RasterSettings = (IOutputRasterSettings)docExport;
RasterSettings.ResampleRatio = (int)lResampleRatio;
// NOTE: for raster formats output quality of the DISPLAY is set to 1 for image export
// formats by default which is what should be used
}
docPrintExport.Export(docActiveView, docExport, iOutputResolution, bClipToGraphicsExtent, null);
MessageBox.Show("Finished exporting " + sOutputDir + sNameRoot + "." + docExport.Filter.Split('.')[1].Split('|')[0].Split(')')[0] + ".", "Export Active View Sample");
if (bReenable)
{
/* reenable font smoothing if we disabled it before */
EnableFontSmoothing();
bReenable = false;
if (!GetFontSmoothing())
{
//error: cannot reenable font smoothing.
MessageBox.Show("Unable to reenable Font Smoothing", "Font Smoothing error");
}
}
}
private void ExportActiveViewParameterized(long iOutputResolution, long lResampleRatio, string ExportType, string sOutputDir, string sOutputFileName, Boolean bClipToGraphicsExtent)
{
IActiveView docActiveView = m_hookHelper.ActiveView;
IExport docExport;
long iPrevOutputImageQuality;
IOutputRasterSettings docOutputRasterSettings;
IEnvelope PixelBoundsEnv;
tagRECT exportRECT;
tagRECT DisplayBounds;
IDisplayTransformation docDisplayTransformation;
IPageLayout docPageLayout;
IEnvelope docMapExtEnv;
long hdc;
long tmpDC;
long iScreenResolution;
bool bReenable = false;
IEnvelope docGraphicsExtentEnv;
IUnitConverter pUnitConvertor;
if (GetFontSmoothing())
{
bReenable = true;
DisableFontSmoothing();
if (GetFontSmoothing())
{
return;
}
}
if (ExportType == "PDF")
{
docExport = new ExportPDFClass();
}
else if (ExportType == "EPS")
{
docExport = new ExportPSClass();
}
else if (ExportType == "AI")
{
docExport = new ExportAIClass();
}
else if (ExportType == "BMP")
{
docExport = new ExportBMPClass();
}
else if (ExportType == "TIFF")
{
docExport = new ExportTIFFClass();
}
else if (ExportType == "SVG")
{
docExport = new ExportSVGClass();
}
else if (ExportType == "PNG")
{
docExport = new ExportPNGClass();
}
else if (ExportType == "GIF")
{
docExport = new ExportGIFClass();
}
else if (ExportType == "EMF")
{
docExport = new ExportEMFClass();
}
else if (ExportType == "JPEG")
{
docExport = new ExportJPEGClass();
}
else
{
MessageBox.Show("不支持的数据类型 " + ExportType + ", 默认导出为EMF格式的数据");
ExportType = "EMF";
docExport = new ExportEMFClass();
}
docOutputRasterSettings = docActiveView.ScreenDisplay.DisplayTransformation as IOutputRasterSettings;
iPrevOutputImageQuality = docOutputRasterSettings.ResampleRatio;
if (docExport is IExportImage)
{
SetOutputQuality(docActiveView, 1);
}
else
{
SetOutputQuality(docActiveView, lResampleRatio);
}
docExport.ExportFileName = sOutputFileName + "." + docExport.Filter.Split('.')[1].Split('|')[0].Split(')')[0];
tmpDC = GetDC(0);
iScreenResolution = GetDeviceCaps((int)tmpDC, 88); //88 is the win32 const for Logical pixels/inch in X)
ReleaseDC(0, (int)tmpDC);
frmSetResolution mSetResolution = new frmSetResolution(iOutputResolution);
mSetResolution.ShowDialog();
iOutputResolution = mSetResolution.m_Resolution;
docExport.Resolution = iOutputResolution;
if (docActiveView is IPageLayout)
{
DisplayBounds = docActiveView.ExportFrame;
docGraphicsExtentEnv = GetGraphicsExtent(docActiveView);
}
else
{
docDisplayTransformation = docActiveView.ScreenDisplay.DisplayTransformation;
DisplayBounds = docDisplayTransformation.get_DeviceFrame();
}
PixelBoundsEnv = new Envelope() as IEnvelope;
if (bClipToGraphicsExtent && (docActiveView is IPageLayout))
{
docGraphicsExtentEnv = GetGraphicsExtent(docActiveView);
docPageLayout = docActiveView as PageLayout;
pUnitConvertor = new UnitConverter();
PixelBoundsEnv.XMin = 0;
PixelBoundsEnv.YMin = 0;
PixelBoundsEnv.XMax = pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.XMax, docPageLayout.Page.Units, esriUnits.esriInches) * docExport.Resolution - pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.XMin, docPageLayout.Page.Units, esriUnits.esriInches) * docExport.Resolution;
PixelBoundsEnv.YMax = pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.YMax, docPageLayout.Page.Units, esriUnits.esriInches) * docExport.Resolution - pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.YMin, docPageLayout.Page.Units, esriUnits.esriInches) * docExport.Resolution;
exportRECT.bottom = (int)(PixelBoundsEnv.YMax) + 1;
exportRECT.left = (int)(PixelBoundsEnv.XMin);
exportRECT.top = (int)(PixelBoundsEnv.YMin);
exportRECT.right = (int)(PixelBoundsEnv.XMax) + 1;
docMapExtEnv = docGraphicsExtentEnv;
}
else
{
double tempratio = iOutputResolution / iScreenResolution;
double tempbottom = DisplayBounds.bottom * tempratio;
double tempright = DisplayBounds.right * tempratio;
exportRECT.bottom = (int)Math.Truncate(tempbottom);
exportRECT.left = 0;
exportRECT.top = 0;
exportRECT.right = (int)Math.Truncate(tempright);
PixelBoundsEnv.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom);
docMapExtEnv = null;
}
docExport.PixelBounds = PixelBoundsEnv;
try
{
hdc = docExport.StartExporting();
docActiveView.Output((int)hdc, (int)docExport.Resolution, ref exportRECT, docMapExtEnv, null);
docExport.FinishExporting();
docExport.Cleanup();
MessageBox.Show("成功导出 " + sOutputDir + sOutputFileName + "." + docExport.Filter.Split('.')[1].Split('|')[0].Split(')')[0] + ".", "输出地图图片", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch
{
MessageBox.Show("输出地图图片过程中出现问题！", "输出地图图片", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
finally
{
SetOutputQuality(docActiveView, iPrevOutputImageQuality);
if (bReenable)
{
EnableFontSmoothing();
bReenable = false;
if (!GetFontSmoothing())
{
MessageBox.Show("Unable to reenable Font Smoothing", "Font Smoothing error");
}
}
docMapExtEnv = null;
PixelBoundsEnv = null;
}
}
private void button2_Click(object sender, EventArgs e)
{
if (System.IO.File.Exists(textBoxFileName.Text.ToString()) == true)
{
MessageBox.Show("该文件已经存在，请重新命名！");
textBoxFileName.SelectAll();
}
else
{
IExport pExport = null;
IWorldFileSettings pWorldFile = null;
IExportImage pExportType;
IEnvelope pDriverBounds = null;
ESRI.ArcGIS.esriSystem.tagRECT userRECT = new ESRI.ArcGIS.esriSystem.tagRECT();
IEnvelope pEnv = new EnvelopeClass();
string FilePath = this.m_strFileName;
string[] strFileName = FilePath.Split('.');
string strFileType = strFileName[1];
switch (strFileType)
{
case "jpg":
pExport = new ExportJPEGClass();
break;
case "bmp":
pExport = new ExportBMPClass();
break;
case "gif":
pExport = new ExportGIFClass();
break;
case "tif":
pExport = new ExportTIFFClass();
break;
case "png":
pExport = new ExportPNGClass();
break;
case "emf":
pExport = new ExportEMFClass();
break;
case "pdf":
pExport = new ExportPDFClass();
break;
case ".ai":
pExport = new ExportAIClass();
break;
case "svg":
pExport = new ExportSVGClass();
break;
default:
pExport = new ExportJPEGClass();
break;
}
pExport.ExportFileName = this.m_strFileName;
pExport.Resolution = Convert.ToInt32(numUDresolution.Value);
pExportType = pExport as IExportImage;
pExportType.ImageType = esriExportImageType.esriExportImageTypeTrueColor;
pEnv = m_pageLayoutControl.ActiveView.Extent;
pWorldFile = (IWorldFileSettings)pExport;
pWorldFile.MapExtent = pEnv;
pWorldFile.OutputWorldFile = false;
userRECT.top = 0;
userRECT.left = 0;
userRECT.right = Convert.ToInt32(txtBoxWidth.Text);
userRECT.bottom = Convert.ToInt32(txtBoxHeight.Text);
pDriverBounds = new EnvelopeClass();
pDriverBounds.PutCoords(userRECT.top, userRECT.bottom, userRECT.right, userRECT.top);
pExport.PixelBounds = pDriverBounds;
ITrackCancel pTrackCancel = new TrackCancelClass();
m_pageLayoutControl.ActiveView.Output(pExport.StartExporting(), Convert.ToInt32(numUDresolution.Value), ref userRECT, m_pageLayoutControl.ActiveView.Extent, pTrackCancel);
pExport.FinishExporting();
MessageBox.Show("打印图片保存成功!", "保存", MessageBoxButtons.OK);
this.Close();
}
}
private void btnPrint_Click(object sender, EventArgs e)
{
//创建保存文件对话框的实例
SaveFileDialog SaveFile = new SaveFileDialog();
//根据掩码文本框对对话框初始化
switch (comboBox1.SelectedIndex)
{
case 0:
SaveFile.Filter = "bmp文件(*.bmp)|*.bmp";
SaveFile.Title = "保存bmb文件";
break;
case 1:
SaveFile.Filter = "emf文件(*.emf)|*.emf";
SaveFile.Title = "保存emp文件";
break;
case 2:
SaveFile.Filter = "gif文件(*.gif)|*.gif";
SaveFile.Title = "保存gif文件";
break;
case 3:
SaveFile.Filter = "jpg文件(*.jpeg)|*.jpeg";
SaveFile.Title = "保存jpg文件";
break;
case 4:
SaveFile.Filter = "PNG文件(*.png)|*.png";
SaveFile.Title = "保存png文件";
break;
case 5:
SaveFile.Filter = "TIFF文件(*.TIFF)|*.TIFF";
SaveFile.Title = "保存tiff文件";
break;
case 6:
SaveFile.Filter = "PDF文件(*.PDF)|*.pdf";
SaveFile.Title = "保存pdf文件";
break;
}
if (SaveFile.ShowDialog() == DialogResult.OK)
{
//打开保存文件对话框 并选择路径和文件名
SaveFile.AddExtension = true; //设置为自动补充文件扩展名
IExport pExport;
switch (comboBox1.SelectedIndex) //根据掩码文本框的索引值穿件不同的pExport实例并调用Export方法
{
case 0:
pExport = new ExportBMPClass();
Export(pExport, SaveFile.FileName);
break;
case 1:
pExport = new ExportEMFClass();
Export(pExport, SaveFile.FileName);
break;
case 2:
pExport = new ExportGIFClass();
Export(pExport, SaveFile.FileName);
break;
case 3:
pExport = new ExportJPEGClass();
Export(pExport, SaveFile.FileName);
break;
case 4:
pExport = new ExportPNGClass();
Export(pExport, SaveFile.FileName);
break;
case 5:
pExport = new ExportTIFFClass();
Export(pExport, SaveFile.FileName);
break;
case 6:
pExport = new ExportPDFClass();
Export(pExport, SaveFile.FileName);
break;
}
}
}
public void ExportActiveViewParameterized(IActiveView docActiveView, long iOutputResolution, long lResampleRatio, string ExportType, string sOutputName, Boolean bClipToGraphicsExtent)
{
/* EXPORT PARAMETER: (iOutputResolution) the resolution requested.
* EXPORT PARAMETER: (lResampleRatio) Output Image Quality of the export. The value here will only be used if the export
* object is a format that allows setting of Output Image Quality, i.e. a vector exporter.
* The value assigned to ResampleRatio should be in the range 1 to 5.
* 1 corresponds to "Best", 5 corresponds to "Fast"
* EXPORT PARAMETER: (ExportType) a string which contains the export type to create.
* EXPORT PARAMETER: (sOutputDir) a string which contains the directory to output to.
* EXPORT PARAMETER: (bClipToGraphicsExtent) Assign True or False to determine if export image will be clipped to the graphic
* extent of layout elements. This value is ignored for data view exports
*/
/* Exports the Active View of the document to selected output format. */
// using predefined static member
IExport docExport;
IPrintAndExport docPrintExport;
IOutputRasterSettings RasterSettings;
string sNameRoot;
bool bReenable = false;
if (GetFontSmoothing())
{
/* font smoothing is on, disable it and set the flag to reenable it later. */
bReenable = true;
DisableFontSmoothing();
if (GetFontSmoothing())
{
//font smoothing is NOT successfully disabled, error out.
return;
}
//else font smoothing was successfully disabled.
}
// The Export*Class() type initializes a new export class of the desired type.
if (ExportType == "PDF")
{
docExport = new ExportPDFClass();
}
else if (ExportType == "EPS")
{
docExport = new ExportPSClass();
}
else if (ExportType == "AI")
{
docExport = new ExportAIClass();
}
else if (ExportType == "BMP")
{
docExport = new ExportBMPClass();
}
else if (ExportType == "TIFF")
{
docExport = new ExportTIFFClass();
}
else if (ExportType == "SVG")
{
docExport = new ExportSVGClass();
}
else if (ExportType == "PNG")
{
docExport = new ExportPNGClass();
}
else if (ExportType == "GIF")
{
docExport = new ExportGIFClass();
}
else if (ExportType == "EMF")
{
docExport = new ExportEMFClass();
}
else if (ExportType == "JPEG")
{
docExport = new ExportJPEGClass();
}
else
{
MessageBox.Show("Unsupported export type " + ExportType + ", defaulting to EMF.");
ExportType = "EMF";
docExport = new ExportEMFClass();
}
docPrintExport = new PrintAndExportClass();
//set the name root for the export
sNameRoot = "ExportActiveViewSampleOutput";
//set the export filename (which is the nameroot + the appropriate file extension)
//docExport.ExportFileName = sOutputDir + sNameRoot + "." + docExport.Filter.Split('.')[1].Split('|')[0].Split(')')[0];
docExport.ExportFileName = sOutputName;
//Output Image Quality of the export. The value here will only be used if the export
// object is a format that allows setting of Output Image Quality, i.e. a vector exporter.
// The value assigned to ResampleRatio should be in the range 1 to 5.
// 1 corresponds to "Best", 5 corresponds to "Fast"
// check if export is vector or raster
if (docExport is IOutputRasterSettings)
{
// for vector formats, assign the desired ResampleRatio to control drawing of raster layers at export time
RasterSettings = (IOutputRasterSettings)docExport;
RasterSettings.ResampleRatio = (int)lResampleRatio;
// NOTE: for raster formats output quality of the DISPLAY is set to 1 for image export
// formats by default which is what should be used
}
docPrintExport.Export(docActiveView, docExport, iOutputResolution, bClipToGraphicsExtent, null);
//MessageBox.Show("Finished exporting " + sOutputDir + sNameRoot + "." + docExport.Filter.Split('.')[1].Split('|')[0].Split(')')[0] + ".", "Export Active View Sample");
if (bReenable)
{
/* reenable font smoothing if we disabled it before */
EnableFontSmoothing();
bReenable = false;
if (!GetFontSmoothing())
{
//error: cannot reenable font smoothing.
MessageBox.Show("Unable to reenable Font Smoothing", "Font Smoothing error");
}
}
}
private void ExportActiveViewParameterized(long iOutputResolution, long lResampleRatio, string ExportType,
string sOutputDir, string sNameRoot, Boolean bClipToGraphicsExtent, AxPageLayoutControl pageLayoutControl)
{
//解决文件名错误
sNameRoot = sNameRoot.Substring(1, sNameRoot.Length - 1);
IActiveView docActiveView = pageLayoutControl.ActiveView;
IExport docExport;
long iPrevOutputImageQuality;
IOutputRasterSettings docOutputRasterSettings;
IEnvelope PixelBoundsEnv;
tagRECT exportRECT;
tagRECT DisplayBounds;
IDisplayTransformation docDisplayTransformation;
IPageLayout docPageLayout;
IEnvelope docMapExtEnv;
long hdc;
long tmpDC;
//string sNameRoot;
long iScreenResolution;
bool bReenable = false;
IEnvelope docGraphicsExtentEnv;
IUnitConverter pUnitConvertor;
if (GetFontSmoothing())
{
bReenable = true;
DisableFontSmoothing();
if (GetFontSmoothing())
{
//font smoothing is NOT successfully disabled, error out.
return;
}
//else font smoothing was successfully disabled.
}
// The Export*Class() type initializes a new export class of the desired type.
if (ExportType == "PDF")
{
docExport = new ExportPDFClass();
}
else if (ExportType == "EPS")
{
docExport = new ExportPSClass();
}
else if (ExportType == "AI")
{
docExport = new ExportAIClass();
}
else if (ExportType == "BMP")
{
docExport = new ExportBMPClass();
}
else if (ExportType == "TIFF")
{
docExport = new ExportTIFFClass();
}
else if (ExportType == "SVG")
{
docExport = new ExportSVGClass();
}
else if (ExportType == "PNG")
{
docExport = new ExportPNGClass();
}
else if (ExportType == "GIF")
{
docExport = new ExportGIFClass();
}
else if (ExportType == "EMF")
{
docExport = new ExportEMFClass();
}
else if (ExportType == "JPEG")
{
docExport = new ExportJPEGClass();
}
else
{
MessageBox.Show("！！不支持的格式 " + ExportType + ", 默认导出 EMF.");
ExportType = "EMF";
docExport = new ExportEMFClass();
}
// save the previous output image quality, so that when the export is complete it will be set back.
docOutputRasterSettings = docActiveView.ScreenDisplay.DisplayTransformation as IOutputRasterSettings;
iPrevOutputImageQuality = docOutputRasterSettings.ResampleRatio;
if (docExport is IExportImage)
{
// always set the output quality of the DISPLAY to 1 for image export formats
SetOutputQuality(docActiveView, 1);
}
else
{
// for vector formats, assign the desired ResampleRatio to control drawing of raster layers at export time
SetOutputQuality(docActiveView, lResampleRatio);
}
//set the name root for the export
// sNameRoot = "ExportActiveViewSampleOutput";
//set the export filename (which is the nameroot + the appropriate file extension)
docExport.ExportFileName =
sOutputDir + sNameRoot + "." + docExport.Filter.Split('.')[1].Split('|')[0].Split(')')[0];
tmpDC = GetDC(0);
iScreenResolution = GetDeviceCaps((int)tmpDC, 88); //88 is the win32 const for Logical pixels/inch in X)
ReleaseDC(0, (int)tmpDC);
docExport.Resolution = iOutputResolution;
if (docActiveView is IPageLayout)
{
//get the bounds of the "exportframe" of the active view.
DisplayBounds = docActiveView.ExportFrame;
//set up pGraphicsExtent, used if clipping to graphics extent.
docGraphicsExtentEnv = GetGraphicsExtent(docActiveView);
}
else
{
//Get the bounds of the deviceframe for the screen.
docDisplayTransformation = docActiveView.ScreenDisplay.DisplayTransformation;
DisplayBounds = docDisplayTransformation.get_DeviceFrame();
}
PixelBoundsEnv = new Envelope() as IEnvelope;
if (bClipToGraphicsExtent && (docActiveView is IPageLayout))
{
docGraphicsExtentEnv = GetGraphicsExtent(docActiveView);
docPageLayout = docActiveView as PageLayout;
pUnitConvertor = new UnitConverter();
//assign the x and y values representing the clipped area to the PixelBounds envelope
PixelBoundsEnv.XMin = 0;
PixelBoundsEnv.YMin = 0;
PixelBoundsEnv.XMax =
pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.XMax, docPageLayout.Page.Units,
esriUnits.esriInches) * docExport.Resolution -
pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.XMin, docPageLayout.Page.Units,
esriUnits.esriInches) * docExport.Resolution;
PixelBoundsEnv.YMax =
pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.YMax, docPageLayout.Page.Units,
esriUnits.esriInches) * docExport.Resolution -
pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.YMin, docPageLayout.Page.Units,
esriUnits.esriInches) * docExport.Resolution;
//'assign the x and y values representing the clipped export extent to the exportRECT
exportRECT.bottom = (int)(PixelBoundsEnv.YMax) + 1;
exportRECT.left = (int)(PixelBoundsEnv.XMin);
exportRECT.top = (int)(PixelBoundsEnv.YMin);
exportRECT.right = (int)(PixelBoundsEnv.XMax) + 1;
//since we're clipping to graphics extent, set the visible bounds.
docMapExtEnv = docGraphicsExtentEnv;
}
else
{
double tempratio = iOutputResolution / iScreenResolution;
double tempbottom = DisplayBounds.bottom * tempratio;
double tempright = DisplayBounds.right * tempratio;
//'The values in the exportRECT tagRECT correspond to the width
//and height to export, measured in pixels with an origin in the top left corner.
exportRECT.bottom = (int)Math.Truncate(tempbottom);
exportRECT.left = 0;
exportRECT.top = 0;
exportRECT.right = (int)Math.Truncate(tempright);
//populate the PixelBounds envelope with the values from exportRECT.
// We need to do this because the exporter object requires an envelope object
// instead of a tagRECT structure.
PixelBoundsEnv.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom);
//since it's a page layout or an unclipped page layout we don't need docMapExtEnv.
docMapExtEnv = null;
}
// Assign the envelope object to the exporter object's PixelBounds property. The exporter object
// will use these dimensions when allocating memory for the export file.
docExport.PixelBounds = PixelBoundsEnv;
// call the StartExporting method to tell docExport you're ready to start outputting.
hdc = docExport.StartExporting();
// Redraw the active view, rendering it to the exporter object device context instead of the app display.
// We pass the following values:
// * hDC is the device context of the exporter object.
// * exportRECT is the tagRECT structure that describes the dimensions of the view that will be rendered.
// The values in exportRECT should match those held in the exporter object's PixelBounds property.
// * docMapExtEnv is an envelope defining the section of the original image to draw into the export object.
docActiveView.Output((int)hdc, (int)docExport.Resolution, ref exportRECT, docMapExtEnv, null);
//finishexporting, then cleanup.
docExport.FinishExporting();
docExport.Cleanup();
MessageBox.Show(
"成功导出地图： " + sOutputDir + sNameRoot + "." + docExport.Filter.Split('.')[1].Split('|')[0].Split(')')[0] +
".", "提示");
//set the output quality back to the previous value
SetOutputQuality(docActiveView, iPrevOutputImageQuality);
if (bReenable)
{
EnableFontSmoothing();
bReenable = false;
if (!GetFontSmoothing())
{
//error: cannot reenable font smoothing.
MessageBox.Show("Unable to reenable Font Smoothing", "Font Smoothing error");
}
}
docMapExtEnv = null;
PixelBoundsEnv = null;
}
//Function: Export map
//Date: 2019/4/3
public void ExportMap(int pOutputResolution, string pExportFileName, bool pWriteWorldFile, double pWidth, double pHeight)
{
IActiveView docActiveView;
IExport docExport;
IPrintAndExport docPrintExport;
IWorldFileSettings pWorldFile = null;
ESRI.ArcGIS.esriSystem.tagRECT userRECT = new ESRI.ArcGIS.esriSystem.tagRECT();
IEnvelope pEnv = new EnvelopeClass();
string pFileType;
int pFileNameLength = pExportFileName.Length;
if (pFileNameLength > 3)
{
pFileType = pExportFileName.Substring(pFileNameLength - 3, 3);
}
else
{
pFileType = pExportFileName;
}
switch (pFileType)
{
case "jpg":
docExport = new ExportJPEGClass();
break;
case "png":
docExport = new ExportPNGClass();
break;
case "tif":
docExport = new ExportTIFFClass();
break;
default:
docExport = new ExportJPEGClass();
break;
}
if (miLayoutView.Checked)
{
docActiveView = axPageLayoutControl1.ActiveView;
}
else
{
docActiveView = axMapControl1.ActiveView;
}
pEnv = docActiveView.Extent;
pWorldFile = (IWorldFileSettings)docExport;
pWorldFile.MapExtent = pEnv;
pWorldFile.OutputWorldFile = pWriteWorldFile;
userRECT.left = 0;
userRECT.top = 0;
userRECT.right = Convert.ToInt32(pWidth);
userRECT.bottom = Convert.ToInt32(pHeight);
IEnvelope pDriverBounds = new EnvelopeClass();
pDriverBounds.PutCoords(userRECT.top, userRECT.bottom, userRECT.right, userRECT.top);
docExport.PixelBounds = pDriverBounds;
docPrintExport = new PrintAndExportClass();
docExport.ExportFileName = pExportFileName;
docPrintExport.Export(docActiveView, docExport, pOutputResolution, true, null);
}
/// <summary>Exports the page layout to a file.</summary>
/// <param name="pageLayout">The page layout.</param>
/// <param name="exportPath">The name of the output file.</param>
/// <param name="exportFormat">The format of the output.</param>
/// <param name="dpi">The resolution of the output files.</param>
void ExportPageLayoutToFile(IPageLayout pageLayout, string exportPath, long dpi, ExportFormat exportFormat)
{
IExport export = null;
// Get the color of the backgrounds for formats that support transparent backgrounds.
IColor bgColor = null;
switch (exportFormat)
{
case ExportFormat.GIF:
case ExportFormat.PNG:
IPage page = pageLayout.Page;
bgColor = page.BackgroundColor;
break;
}
// Set "export" to the proper type of Export*Class, and set parameters specific to that image type.
switch (exportFormat)
{
case ExportFormat.AI:
export = new ExportAIClass();
var ai = export as IExportAI2;
//ai.EmbedFonts = true;
break;
case ExportFormat.EMF:
export = new ExportEMFClass();
var xEmf = export as IExportEMF;
//xEmf.Description =
break;
case ExportFormat.PS:
export = new ExportPSClass();
var xPs = export as IExportPS;
xPs.EmbedFonts = true;
//xPs.Emulsion =
//xPs.Image =
//xPs.ImageCompression = esriExportImageCompression.esriExportImageCompressionNone
//xPs.LanguageLevel = esriExportPSLanguageLevel.esriExportPSLevel3
break;
case ExportFormat.SVG:
export = new ExportSVGClass();
var xSvg = export as IExportSVG;
//xSvg.Compressed = true;
//xSvg.EmbedFonts = true;
break;
case ExportFormat.PDF:
export = new ExportPDFClass();
var xPdf = export as IExportPDF;
//xPdf.Compressed = true;
//xPdf.EmbedFonts = true;
//xPdf.ImageCompression = esriExportImageCompression.esriExportImageCompressionNone
break;
case ExportFormat.GIF:
export = new ExportGIFClass();
IExportGIF xGif = export as IExportGIF;
xGif.TransparentColor = bgColor;
//xGif.BiLevelThreshold =
//xGif.CompressionType = esriGIFCompression.esriGIFCompressionNone;
//xGif.InterlaceMode = false;
break;
case ExportFormat.PNG:
export = new ExportPNGClass();
IExportPNG xPng = export as IExportPNG;
//xPng.BiLevelThreshold =
//xPng.InterlaceMode = false;
xPng.TransparentColor = bgColor;
break;
case ExportFormat.BMP:
export = new ExportBMPClass();
IExportBMP xBmp = export as IExportBMP;
//xBmp.BiLevelThreshold =
//xBmp.RLECompression = true;
break;
case ExportFormat.JPEG:
export = new ExportJPEGClass();
IExportJPEG xJpg = export as IExportJPEG;
//xJpg.ProgressiveMode = false;
//xJpg.Quality = 80; //The JPEG compression / image quality. Range (0..100). Default is 100 (no compression / best quality).
break;
case ExportFormat.TIFF:
export = new ExportTIFFClass();
IExportTIFF xTif = export as IExportTIFF;
//xTif.BiLevelThreshold =
//xTif.CompressionType =
//xTif.GeoTiff = true;
//The JPEG or Deflate (depending on the Compression type) compression / image quality. Range (0..100). Default is 100 (no compression / best quality).
//xTif.JPEGOrDeflateQuality = 100;
break;
default:
const string MSG_FMT = "Support for \"{0}\" export is not yet implemented.";
string message = string.Format(MSG_FMT, Enum.GetName(typeof(ExportFormat), exportFormat));
throw new NotImplementedException(message);
}
IEnvelope pixelEnv = new EnvelopeClass();
IEnvelope pageExt = GetPageExtent(pageLayout);
IPoint upperRight = pageExt.UpperRight;
pixelEnv.PutCoords(0, 0, dpi * upperRight.X, dpi * upperRight.Y);
export.PixelBounds = pixelEnv;
export.Resolution = dpi;
export.ExportFileName = exportPath;
//
//(device coordinates origin is upper left, ypositive is down)
tagRECT expRect;
expRect.left = (int)export.PixelBounds.LowerLeft.X;
expRect.bottom = (int)export.PixelBounds.UpperRight.Y;
expRect.right = (int)export.PixelBounds.UpperRight.X;
expRect.top = (int)export.PixelBounds.LowerLeft.Y;
_app.StatusBar.set_Message(0, string.Format("exporting \"{0}\"", exportPath));
long hdc = export.StartExporting();
IActiveView av = (IActiveView)pageLayout;
av.Output((int)hdc, (int)dpi, ref expRect, null, null);
export.FinishExporting();
export.Cleanup();
}
/// <summary>
/// 导出视图为图片
/// </summary>
/// <param name="activeView">地图视图</param>
/// <param name="pathFileName">导出文件名称</param>
/// <param name="bUseHiDpi">是否使用高分辨率，默认为true</param>
public static void ExportActiveView(IActiveView activeView, string pathFileName, bool bUseHiDpi = true)
{
if (activeView == null || string.IsNullOrEmpty(pathFileName))
{
return;
}
IExport export = null;
if (pathFileName.EndsWith(".jpg"))
{
export = new ExportJPEGClass();
}
else if (pathFileName.EndsWith(".tiff"))
{
export = new ExportTIFFClass();
}
else if (pathFileName.EndsWith(".bmp"))
{
export = new ExportBMPClass();
}
else if (pathFileName.EndsWith(".emf"))
{
export = new ExportEMFClass();
}
else if (pathFileName.EndsWith(".png"))
{
export = new ExportPNGClass();
}
else if (pathFileName.EndsWith(".gif"))
{
export = new ExportGIFClass();
}
else if (pathFileName.EndsWith(".pdf"))
{
export = new ExportPDFClass();
}
//DateTime dt = DateTime.Now;
//string strTime = string.Format("{0:yyyyMMddHHmmss}", dt);
//string fileName = System.IO.Path.GetFileNameWithoutExtension(pathFileName);
//string mergeStr = string.Format(System.IO.Path.GetDirectoryName(pathFileName) + "\\" + fileName + strTime+System.IO.Path.GetExtension(pathFileName));
export.ExportFileName = pathFileName;
// Because we are exporting to a resolution that differs from screen
// resolution, we should assign the two values to variables for use
// in our sizing calculations
System.Int32 screenResolution = 96;
System.Int32 outputResolution = bUseHiDpi ? 300 : 96;
export.Resolution = outputResolution;
tagRECT exportRECT; // This is a structure
exportRECT.left = 0;
exportRECT.top = 0;
exportRECT.right = activeView.ExportFrame.right * (outputResolution / screenResolution);
exportRECT.bottom = activeView.ExportFrame.bottom * (outputResolution / screenResolution);
// Set up the PixelBounds envelope to match the exportRECT
IEnvelope envelope = new EnvelopeClass();
envelope.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom);
export.PixelBounds = envelope;
int hDC = export.StartExporting();
activeView.Output(hDC, (System.Int16)export.Resolution, ref exportRECT, null, null); // Explicit Cast and 'ref' keyword needed
export.FinishExporting();
export.Cleanup();
}
//输出当前地图为图片
public static string ExportImage(IActiveView pActiveView)
{
if (pActiveView == null)
{
return(null);
}
try
{
SaveFileDialog pSaveFileDialog = new SaveFileDialog();
pSaveFileDialog.Filter = "JPEG(*.jpg)|*.jpg|AI(*.ai)|*.ai|BMP(*.BMP)|*.bmp|EMF(*.emf)|*.emf|GIF(*.gif)|*.gif|PDF(*.pdf)|*.pdf|PNG(*.png)|*.png|EPS(*.eps)|*.eps|SVG(*.svg)|*.svg|TIFF(*.tif)|*.tif";
pSaveFileDialog.Title = "输出地图";
pSaveFileDialog.RestoreDirectory = true;
pSaveFileDialog.FilterIndex = 1;
if (pSaveFileDialog.ShowDialog() != System.Windows.Forms.DialogResult.OK)
{
return(null);
}
string FileName = pSaveFileDialog.FileName;
IExport pExporter = null;
switch (pSaveFileDialog.FilterIndex)
{
case 1:
pExporter = new ExportJPEGClass();
break;
case 2:
pExporter = new ExportBMPClass();
break;
case 3:
pExporter = new ExportEMFClass();
break;
case 4:
pExporter = new ExportGIFClass();
break;
case 5:
pExporter = new ExportAIClass();
break;
case 6:
pExporter = new ExportPDFClass();
break;
case 7:
pExporter = new ExportPNGClass();
break;
case 8:
pExporter = new ExportPSClass();
break;
case 9:
pExporter = new ExportSVGClass();
break;
case 10:
pExporter = new ExportTIFFClass();
break;
default:
MessageBox.Show("输出格式错误");
return(null);
}
IEnvelope pEnvelope = new EnvelopeClass();
ITrackCancel pTrackCancel = new CancelTrackerClass();
tagRECT ptagRECT;
ptagRECT = pActiveView.ScreenDisplay.DisplayTransformation.get_DeviceFrame();
int pResolution = (int)(pActiveView.ScreenDisplay.DisplayTransformation.Resolution);
pEnvelope.PutCoords(ptagRECT.left, ptagRECT.bottom, ptagRECT.right, ptagRECT.top);
pExporter.Resolution = pResolution;
pExporter.ExportFileName = FileName;
pExporter.PixelBounds = pEnvelope;
pActiveView.Output(pExporter.StartExporting(), pResolution, ref ptagRECT, pActiveView.Extent, pTrackCancel);
pExporter.FinishExporting();
//释放资源
pSaveFileDialog.Dispose();
System.Runtime.InteropServices.Marshal.ReleaseComObject(pExporter);
return(FileName);
}
catch
{
return(null);
}
}
/// <summary>
/// 输出图片
/// </summary>
/// <param name="activeView"></param>
/// <param name="filename"></param>
/// <param name="format"></param>
/// <param name="resolution"></param>
public static void ExportRasterFile(IActiveView activeView, string filename, string format, double resolution)
{
if (activeView == null || filename.Length == 0)
{
return;
}
double screenResolution = resolution;
double outputResolution = resolution;
IExport export = null;
switch (format)
{
case "PDF":
export = new ExportPDFClass();
IExportVectorOptions exportVectorOptions = export as IExportVectorOptions;
exportVectorOptions.PolygonizeMarkers = true;
IExportPDF exportPDF = export as IExportPDF;
exportPDF.EmbedFonts = true;
break;
case "BMP":
export = new ExportBMPClass();
break;
case "JPG":
export = new ExportJPEGClass();
if (filename.IndexOf("彩信") != -1)
{
IExportJPEG exportJPEG = export as IExportJPEG;
exportJPEG.Quality = 70;
outputResolution = 70.0;
}
break;
case "PNG":
export = new ExportPNGClass();
break;
case "TIF":
export = new ExportTIFFClass();
break;
case "GIF":
export = new ExportGIFClass();
break;
case "EMF":
export = new ExportEMFClass();
break;
case "SVG":
export = new ExportSVGClass();
break;
case "AI":
export = new ExportAIClass();
break;
case "EPS":
export = new ExportPSClass();
break;
}
IGraphicsContainer docGraphicsContainer;
IElement docElement;
IOutputRasterSettings docOutputRasterSettings;
IMapFrame docMapFrame;
IActiveView tmpActiveView;
IOutputRasterSettings doOutputRasterSettings;
if (activeView is IMap)
{
doOutputRasterSettings = activeView.ScreenDisplay.DisplayTransformation as IOutputRasterSettings;
doOutputRasterSettings.ResampleRatio = 3;
}
else if (activeView is IPageLayout)
{
doOutputRasterSettings = activeView.ScreenDisplay.DisplayTransformation as IOutputRasterSettings;
doOutputRasterSettings.ResampleRatio = 4;
//and assign ResampleRatio to the maps in the PageLayout.
docGraphicsContainer = activeView as IGraphicsContainer;
docGraphicsContainer.Reset();
docElement = docGraphicsContainer.Next();
int c = 0;
while (docElement != null)
{
c += 1;
if (docElement is IMapFrame)
{
docMapFrame = docElement as IMapFrame;
tmpActiveView = docMapFrame.Map as IActiveView;
docOutputRasterSettings = tmpActiveView.ScreenDisplay.DisplayTransformation as IOutputRasterSettings;
docOutputRasterSettings.ResampleRatio = 1;
}
docElement = docGraphicsContainer.Next();
}
docMapFrame = null;
docGraphicsContainer = null;
tmpActiveView = null;
}
else
{
docOutputRasterSettings = null;
}
//end
export.ExportFileName = filename;
export.Resolution = outputResolution;
tagRECT exportRECT = activeView.ExportFrame;
exportRECT.right = (int)(exportRECT.right * (outputResolution / screenResolution));
exportRECT.bottom = (int)(exportRECT.bottom * (outputResolution / screenResolution));
IEnvelope envelope = new EnvelopeClass();
envelope.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom);
export.PixelBounds = envelope;
int hDC = export.StartExporting();
activeView.Output(hDC, Convert.ToInt32(export.Resolution), ref exportRECT, null, null);
export.FinishExporting();
export.Cleanup();
}
// Exports a given page layout or map frame to a variety of image formats, returns the image file path
public static string exportImage(IMxDocument pMxDoc, string exportType, string dpi, string pathDocumentName, string mapFrameName)
{
// Define the activeView as either the page layout or the map frame
// If the mapFrameName variable is null then the activeView is the page, otherwise it is set to the map frame name specified
IMap pMap;
IActiveView pActiveView = null;
IMaps pMaps = pMxDoc.Maps;
// Also construct output filename depending on the activeView / mapFrame input
string pathFileName = string.Empty;
if (mapFrameName == null)
{
pActiveView = pMxDoc.ActiveView;
pathFileName = @pathDocumentName + "-" + dpi.ToString() + "dpi." + exportType;
}
else if (mapFrameName != null && PageLayoutProperties.detectMapFrame(pMxDoc, mapFrameName))
{
for (int i = 0; i <= pMaps.Count - 1; i++)
{
pMap = pMaps.get_Item(i);
if (pMap.Name == mapFrameName)
{
pActiveView = pMap as IActiveView;
}
}
pathFileName = @pathDocumentName + "-mapframe-" + dpi.ToString() + "dpi." + exportType;
}
else
{
return(null);
}
//Declare the export variable and set the file and path from the parameters
IExport docExport;
//parameter check
if (pActiveView == null)
{
return(null);
}
// The Export*Class() type initializes a new export class of the desired type.
if (exportType == "pdf")
{
docExport = new ExportPDFClass();
}
else if (exportType == "eps")
{
docExport = new ExportPSClass();
}
else if (exportType == "ai")
{
docExport = new ExportAIClass();
}
else if (exportType == "bmp")
{
docExport = new ExportBMPClass();
}
else if (exportType == "tiff")
{
docExport = new ExportTIFFClass();
}
else if (exportType == "svg")
{
docExport = new ExportSVGClass();
}
else if (exportType == "png")
{
docExport = new ExportPNGClass();
}
else if (exportType == "gif")
{
docExport = new ExportGIFClass();
}
else if (exportType == "emf")
{
docExport = new ExportEMFClass();
}
else if (exportType == "jpeg")
{
IExportJPEG m_export;
docExport = new ExportJPEGClass();
if (docExport is IExportJPEG)
{
m_export = (IExportJPEG)docExport;
m_export.ProgressiveMode = false; //hardcoded progressive mode value here
m_export.Quality = 80; //hardcoded quality value here
docExport = (IExport)m_export;
}
}
else
{
return(pathFileName);
}
docExport.ExportFileName = pathFileName;
// Because we are exporting to a resolution that differs from screen
// resolution, we should assign the two values to variables for use
// in our sizing calculations
System.Int32 screenResolution = 96;
System.Int32 outputResolution = Convert.ToInt32(dpi);
docExport.Resolution = outputResolution;
// If input type is map frame calculate the export rectangle
tagRECT exportRECT; // This is a structure
exportRECT.left = 0;
exportRECT.top = 0;
exportRECT.right = pActiveView.ExportFrame.right * (outputResolution / screenResolution);
exportRECT.bottom = pActiveView.ExportFrame.bottom * (outputResolution / screenResolution);
// Set up the PixelBounds envelope to match the exportRECT
IEnvelope envelope = new EnvelopeClass();
envelope.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom);
docExport.PixelBounds = envelope;
try
{
System.Int32 hDC = docExport.StartExporting();
pActiveView.Output(hDC, (System.Int16)docExport.Resolution, ref exportRECT, null, null); // Explicit Cast and 'ref' keyword needed
docExport.FinishExporting();
docExport.Cleanup();
}
catch (Exception e)
{
Debug.WriteLine("Error writing to file, probably a file permissions error. Check the exception message below for details.");
Debug.WriteLine(e.Message);
}
//Return the path of the file
return(pathFileName);
}
private IExport CreateExport(string PathName, int iResampleRatio)
{
IExport docExport;
string sExtionsName = PathName.Substring(PathName.LastIndexOf(".") + 1);
sExtionsName = sExtionsName.ToUpper();
switch (sExtionsName)
{
case "PDF":
docExport = new ExportPDFClass();
break;
case "EPS":
docExport = new ExportPSClass();
break;
case "AI":
docExport = new ExportAIClass();
break;
case "BMP":
docExport = new ExportBMPClass();
break;
case "TIFF":
docExport = new ExportTIFFClass();
break;
case "TIF":
docExport = new ExportTIFFClass();
break;
case "SVG":
docExport = new ExportSVGClass();
break;
case "PNG":
docExport = new ExportPNGClass();
break;
case "GIF":
docExport = new ExportGIFClass();
break;
case "EMF":
docExport = new ExportEMFClass();
break;
case "JPEG":
docExport = new ExportJPEGClass();
break;
case "JPG":
docExport = new ExportJPEGClass();
break;
default:
docExport = new ExportJPEGClass();
break;
}
if (docExport is IOutputRasterSettings)
{
if (iResampleRatio < 1) iResampleRatio = 1;
if (iResampleRatio > 5) iResampleRatio = 5;
IOutputRasterSettings RasterSettings = (IOutputRasterSettings)docExport;
RasterSettings.ResampleRatio = iResampleRatio;
}
docExport.ExportFileName = PathName;
return docExport;
}
private void ExportActiveViewParameterized(long iOutputResolution, long lResampleRatio, string ExportType, string sOutputDir,string sOutputFileName, Boolean bClipToGraphicsExtent)
{
IActiveView docActiveView = m_hookHelper.ActiveView;
IExport docExport;
long iPrevOutputImageQuality;
IOutputRasterSettings docOutputRasterSettings;
IEnvelope PixelBoundsEnv;
tagRECT exportRECT;
tagRECT DisplayBounds;
IDisplayTransformation docDisplayTransformation;
IPageLayout docPageLayout;
IEnvelope docMapExtEnv;
long hdc;
long tmpDC;
long iScreenResolution;
bool bReenable = false;
IEnvelope docGraphicsExtentEnv;
IUnitConverter pUnitConvertor;
if (GetFontSmoothing())
{
bReenable = true;
DisableFontSmoothing();
if (GetFontSmoothing())
{
return;
}
}
if (ExportType == "PDF")
{
docExport = new ExportPDFClass();
}
else if (ExportType == "EPS")
{
docExport = new ExportPSClass();
}
else if (ExportType == "AI")
{
docExport = new ExportAIClass();
}
else if (ExportType == "BMP")
{
docExport = new ExportBMPClass();
}
else if (ExportType == "TIFF")
{
docExport = new ExportTIFFClass();
}
else if (ExportType == "SVG")
{
docExport = new ExportSVGClass();
}
else if (ExportType == "PNG")
{
docExport = new ExportPNGClass();
}
else if (ExportType == "GIF")
{
docExport = new ExportGIFClass();
}
else if (ExportType == "EMF")
{
docExport = new ExportEMFClass();
}
else if (ExportType == "JPEG")
{
docExport = new ExportJPEGClass();
}
else
{
MessageBox.Show("��֧�ֵ��������� " + ExportType + ", Ĭ�ϵ���ΪEMF��ʽ������");
ExportType = "EMF";
docExport = new ExportEMFClass();
}
docOutputRasterSettings = docActiveView.ScreenDisplay.DisplayTransformation as IOutputRasterSettings;
iPrevOutputImageQuality = docOutputRasterSettings.ResampleRatio;
if (docExport is IExportImage)
{
SetOutputQuality(docActiveView, 1);
}
else
{
SetOutputQuality(docActiveView, lResampleRatio);
}
docExport.ExportFileName = sOutputFileName + "." + docExport.Filter.Split('.')[1].Split('|')[0].Split(')')[0];
tmpDC = GetDC(0);
iScreenResolution = GetDeviceCaps((int)tmpDC, 88); //88 is the win32 const for Logical pixels/inch in X)
ReleaseDC(0, (int)tmpDC);
frmSetResolution mSetResolution = new frmSetResolution(iOutputResolution);
mSetResolution.ShowDialog();
iOutputResolution = mSetResolution.m_Resolution ;
docExport.Resolution = iOutputResolution;
if (docActiveView is IPageLayout)
{
DisplayBounds = docActiveView.ExportFrame;
docGraphicsExtentEnv = GetGraphicsExtent(docActiveView);
}
else
{
docDisplayTransformation = docActiveView.ScreenDisplay.DisplayTransformation;
DisplayBounds = docDisplayTransformation.get_DeviceFrame();
}
PixelBoundsEnv = new Envelope() as IEnvelope;
if (bClipToGraphicsExtent && (docActiveView is IPageLayout))
{
docGraphicsExtentEnv = GetGraphicsExtent(docActiveView);
docPageLayout = docActiveView as PageLayout;
pUnitConvertor = new UnitConverter();
PixelBoundsEnv.XMin = 0;
PixelBoundsEnv.YMin = 0;
PixelBoundsEnv.XMax = pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.XMax, docPageLayout.Page.Units, esriUnits.esriInches) * docExport.Resolution - pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.XMin, docPageLayout.Page.Units, esriUnits.esriInches) * docExport.Resolution;
PixelBoundsEnv.YMax = pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.YMax, docPageLayout.Page.Units, esriUnits.esriInches) * docExport.Resolution - pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.YMin, docPageLayout.Page.Units, esriUnits.esriInches) * docExport.Resolution;
exportRECT.bottom = (int)(PixelBoundsEnv.YMax) + 1;
exportRECT.left = (int)(PixelBoundsEnv.XMin);
exportRECT.top = (int)(PixelBoundsEnv.YMin);
exportRECT.right = (int)(PixelBoundsEnv.XMax) + 1;
docMapExtEnv = docGraphicsExtentEnv;
}
else
{
double tempratio = iOutputResolution / iScreenResolution;
double tempbottom = DisplayBounds.bottom * tempratio;
double tempright = DisplayBounds.right * tempratio;
exportRECT.bottom = (int)Math.Truncate(tempbottom);
exportRECT.left = 0;
exportRECT.top = 0;
exportRECT.right = (int)Math.Truncate(tempright);
PixelBoundsEnv.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom);
docMapExtEnv = null;
}
docExport.PixelBounds = PixelBoundsEnv;
try
{
hdc = docExport.StartExporting();
docActiveView.Output((int)hdc, (int)docExport.Resolution, ref exportRECT, docMapExtEnv, null);
docExport.FinishExporting();
docExport.Cleanup();
MessageBox.Show("�ɹ����� " + sOutputDir + sOutputFileName + "." + docExport.Filter.Split('.')[1].Split('|')[0].Split(')')[0] + ".", "�����ͼͼƬ", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch
{
MessageBox.Show("�����ͼͼƬ�����г������⣡", "�����ͼͼƬ", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
finally
{
SetOutputQuality(docActiveView, iPrevOutputImageQuality);
if (bReenable)
{
EnableFontSmoothing();
bReenable = false;
if (!GetFontSmoothing())
{
MessageBox.Show("Unable to reenable Font Smoothing", "Font Smoothing error");
}
}
docMapExtEnv = null;
PixelBoundsEnv = null;
}
}
public void exportMapa(string ExportType, long iOutputResolution, long lResampleRatio, Boolean bClipToGraphicsExtent, string nombreArchivo,string sOutputDir)
{
IActiveView docActiveView = ArcMap.Document.ActiveView;
IExport docExport;
IPrintAndExport docPrintExport;
IOutputRasterSettings RasterSettings;
bool bReenable = false;
if (GetFontSmoothing())
{
/* font smoothing is on, disable it and set the flag to reenable it later. */
bReenable = true;
DisableFontSmoothing();
if (GetFontSmoothing())
return;
}
// The Export*Class() type initializes a new export class of the desired type.
if (ExportType == "PDF")
{
docExport = new ExportPDFClass();
}
else if (ExportType == "EPS")
{
docExport = new ExportPSClass();
}
else if (ExportType == "AI")
{
docExport = new ExportAIClass();
}
else if (ExportType == "BMP")
{
docExport = new ExportBMPClass();
}
else if (ExportType == "TIFF")
{
docExport = new ExportTIFFClass();
}
else if (ExportType == "SVG")
{
docExport = new ExportSVGClass();
}
else if (ExportType == "PNG")
{
docExport = new ExportPNGClass();
}
else if (ExportType == "GIF")
{
docExport = new ExportGIFClass();
}
else if (ExportType == "EMF")
{
docExport = new ExportEMFClass();
}
else if (ExportType == "JPEG")
{
docExport = new ExportJPEGClass();
}
else
{
MessageBox.Show("Unsupported export type " + ExportType + ", defaulting to EMF.");
ExportType = "EMF";
docExport = new ExportEMFClass();
}
docPrintExport = new PrintAndExportClass();
//set the export filename (which is the nameroot + the appropriate file extension)
docExport.ExportFileName = sOutputDir + nombreArchivo + "." + docExport.Filter.Split('.')[1].Split('|')[0].Split(')')[0];
if (docExport is IOutputRasterSettings){
RasterSettings = (IOutputRasterSettings)docExport;
RasterSettings.ResampleRatio = (int)lResampleRatio;
}
docPrintExport.Export(docActiveView, docExport, iOutputResolution, bClipToGraphicsExtent, null);
if (bReenable)
{
/* reenable font smoothing if we disabled it before */
EnableFontSmoothing();
bReenable = false;
if (!GetFontSmoothing())
MessageBox.Show("Unable to reenable Font Smoothing", "Font Smoothing error");
}
}
//输出当前地图为图片
public static string ExportImage(IActiveView pActiveView)
{
if (pActiveView == null)
{
return null;
}
try
{
SaveFileDialog pSaveFileDialog = new SaveFileDialog();
pSaveFileDialog.Filter = "JPEG(*.jpg)|*.jpg|AI(*.ai)|*.ai|BMP(*.BMP)|*.bmp|EMF(*.emf)|*.emf|GIF(*.gif)|*.gif|PDF(*.pdf)|*.pdf|PNG(*.png)|*.png|EPS(*.eps)|*.eps|SVG(*.svg)|*.svg|TIFF(*.tif)|*.tif";
pSaveFileDialog.Title = "输出地图";
pSaveFileDialog.RestoreDirectory = true;
pSaveFileDialog.FilterIndex = 1;
if (pSaveFileDialog.ShowDialog() != System.Windows.Forms.DialogResult.OK)
{
return null;
}
string FileName = pSaveFileDialog.FileName;
IExport pExporter = null;
switch (pSaveFileDialog.FilterIndex)
{
case 1:
pExporter = new ExportJPEGClass();
break;
case 2:
pExporter = new ExportBMPClass();
break;
case 3:
pExporter = new ExportEMFClass();
break;
case 4:
pExporter = new ExportGIFClass();
break;
case 5:
pExporter = new ExportAIClass();
break;
case 6:
pExporter = new ExportPDFClass();
break;
case 7:
pExporter = new ExportPNGClass();
break;
case 8:
pExporter = new ExportPSClass();
break;
case 9:
pExporter = new ExportSVGClass();
break;
case 10:
pExporter = new ExportTIFFClass();
break;
default:
MessageBox.Show("输出格式错误");
return null;
}
IEnvelope pEnvelope = new EnvelopeClass();
ITrackCancel pTrackCancel = new CancelTrackerClass();
tagRECT ptagRECT;
ptagRECT = pActiveView.ScreenDisplay.DisplayTransformation.get_DeviceFrame();
int pResolution = (int)(pActiveView.ScreenDisplay.DisplayTransformation.Resolution);
pEnvelope.PutCoords(ptagRECT.left, ptagRECT.bottom, ptagRECT.right, ptagRECT.top);
pExporter.Resolution = pResolution;
pExporter.ExportFileName = FileName;
pExporter.PixelBounds = pEnvelope;
pActiveView.Output(pExporter.StartExporting(), pResolution, ref ptagRECT, pActiveView.Extent, pTrackCancel);
pExporter.FinishExporting();
//释放资源
pSaveFileDialog.Dispose();
System.Runtime.InteropServices.Marshal.ReleaseComObject(pExporter);
return FileName;
}
catch
{
return null;
}
}
/// <summary>Exports the page layout to a file.</summary>
/// <param name="pageLayout">The page layout.</param>
/// <param name="exportPath">The name of the output file.</param>
/// <param name="exportFormat">The format of the output.</param>
/// <param name="dpi">The resolution of the output files.</param>
void ExportPageLayoutToFile(IPageLayout pageLayout, string exportPath, long dpi, ExportFormat exportFormat)
{
IExport export = null;
// Get the color of the backgrounds for formats that support transparent backgrounds.
IColor bgColor = null;
switch (exportFormat)
{
case ExportFormat.GIF:
case ExportFormat.PNG:
IPage page = pageLayout.Page;
bgColor = page.BackgroundColor;
break;
}
// Set "export" to the proper type of Export*Class, and set parameters specific to that image type.
switch (exportFormat)
{
case ExportFormat.AI:
export = new ExportAIClass();
var ai = export as IExportAI2;
//ai.EmbedFonts = true;
break;
case ExportFormat.EMF:
export = new ExportEMFClass();
var xEmf = export as IExportEMF;
//xEmf.Description =
break;
case ExportFormat.PS:
export = new ExportPSClass();
var xPs = export as IExportPS;
xPs.EmbedFonts = true;
//xPs.Emulsion =
//xPs.Image =
//xPs.ImageCompression = esriExportImageCompression.esriExportImageCompressionNone
//xPs.LanguageLevel = esriExportPSLanguageLevel.esriExportPSLevel3
break;
case ExportFormat.SVG:
export = new ExportSVGClass();
var xSvg = export as IExportSVG;
//xSvg.Compressed = true;
//xSvg.EmbedFonts = true;
break;
case ExportFormat.PDF:
export = new ExportPDFClass();
var xPdf = export as IExportPDF;
//xPdf.Compressed = true;
//xPdf.EmbedFonts = true;
//xPdf.ImageCompression = esriExportImageCompression.esriExportImageCompressionNone
break;
case ExportFormat.GIF:
export = new ExportGIFClass();
IExportGIF xGif = export as IExportGIF;
xGif.TransparentColor = bgColor;
//xGif.BiLevelThreshold =
//xGif.CompressionType = esriGIFCompression.esriGIFCompressionNone;
//xGif.InterlaceMode = false;
break;
case ExportFormat.PNG:
export = new ExportPNGClass();
IExportPNG xPng = export as IExportPNG;
//xPng.BiLevelThreshold =
//xPng.InterlaceMode = false;
xPng.TransparentColor = bgColor;
break;
case ExportFormat.BMP:
export = new ExportBMPClass();
IExportBMP xBmp = export as IExportBMP;
//xBmp.BiLevelThreshold =
//xBmp.RLECompression = true;
break;
case ExportFormat.JPEG:
export = new ExportJPEGClass();
IExportJPEG xJpg = export as IExportJPEG;
//xJpg.ProgressiveMode = false;
//xJpg.Quality = 80; //The JPEG compression / image quality. Range (0..100). Default is 100 (no compression / best quality).
break;
case ExportFormat.TIFF:
export = new ExportTIFFClass();
IExportTIFF xTif = export as IExportTIFF;
//xTif.BiLevelThreshold =
//xTif.CompressionType =
//xTif.GeoTiff = true;
//The JPEG or Deflate (depending on the Compression type) compression / image quality. Range (0..100). Default is 100 (no compression / best quality).
//xTif.JPEGOrDeflateQuality = 100;
break;
default:
const string MSG_FMT = "Support for \"{0}\" export is not yet implemented.";
string message = string.Format(MSG_FMT, Enum.GetName(typeof(ExportFormat), exportFormat));
throw new NotImplementedException(message);
}
IEnvelope pixelEnv = new EnvelopeClass();
IEnvelope pageExt = GetPageExtent(pageLayout);
IPoint upperRight = pageExt.UpperRight;
pixelEnv.PutCoords(0, 0, dpi * upperRight.X, dpi * upperRight.Y);
export.PixelBounds = pixelEnv;
export.Resolution = dpi;
export.ExportFileName = exportPath;
//
//(device coordinates origin is upper left, ypositive is down)
tagRECT expRect;
expRect.left = (int)export.PixelBounds.LowerLeft.X;
expRect.bottom = (int)export.PixelBounds.UpperRight.Y;
expRect.right = (int)export.PixelBounds.UpperRight.X;
expRect.top = (int)export.PixelBounds.LowerLeft.Y;
_app.StatusBar.set_Message(0, string.Format("exporting \"{0}\"", exportPath));
long hdc = export.StartExporting();
IActiveView av = (IActiveView)pageLayout;
av.Output((int)hdc, (int)dpi, ref expRect, null, null);
export.FinishExporting();
export.Cleanup();
}
/// <summary>
/// 区域导出
/// </summary>
/// <param name="pGeo">几何图形</param>
/// <param name="OutputResolution">输出分辨率</param>
/// <param name="ExpPath">输出路径</param>
/// <param name="view">视图</param>
public static void ExportRegion(IGeometry pGeo, int OutputResolution, string ExpPath, IActiveView view)
{
IExport export = null;
IWorldFileSettings settings = null;
IEnvelope envelope2 = pGeo.Envelope;
string str = ExpPath.Substring(ExpPath.Length - 3, 3).ToUpper();
switch (str)
{
case "JPG":
settings = new ExportJPEGClass();
export = new ExportJPEGClass();
settings = export as IWorldFileSettings;;
settings.MapExtent = envelope2;
settings.OutputWorldFile = false;
break;
case "BMP":
settings = new ExportBMPClass();
export = new ExportBMPClass();
settings = export as IWorldFileSettings;;
settings.MapExtent = envelope2;
settings.OutputWorldFile = false;
break;
case "TIF":
settings = new ExportTIFFClass();
export = new ExportTIFFClass();
settings = export as IWorldFileSettings;;
settings.MapExtent = envelope2;
settings.OutputWorldFile = false;
break;
case "PNG":
settings = new ExportPNGClass();
export = new ExportPNGClass();
settings = export as IWorldFileSettings;
settings.MapExtent = envelope2;
settings.OutputWorldFile = false;
break;
default:
break;
}
if (settings == null)
{
return;
}
export.ExportFileName = ExpPath;
int num = (int)Math.Round(view.ScreenDisplay.DisplayTransformation.Resolution);
tagRECT grect2 = new tagRECT();
IEnvelope envelope3 = new EnvelopeClass();
view.ScreenDisplay.DisplayTransformation.TransformRect(envelope2, ref grect2, 9);
grect2.left = 0;
grect2.top = 0;
grect2.right = (int)Math.Round((double)((grect2.right - grect2.left) * (((double)OutputResolution) / ((double)num))));
grect2.bottom = (int)Math.Round((double)((grect2.bottom - grect2.top) * (((double)OutputResolution) / ((double)num))));
envelope3.PutCoords((double)grect2.left, (double)grect2.top, (double)grect2.right, (double)grect2.bottom);
export.PixelBounds = envelope3;
view.GraphicsContainer.DeleteAllElements();
view.Output(export.StartExporting(), OutputResolution, ref grect2, envelope2, null);
export.FinishExporting();
export.Cleanup();
AddElement(pGeo, view);
}
public static void ExportActiveView(IActiveView pView, long iOutputResolution, long lResampleRatio,
string sExportType, string sOutputDir, string sOutputName,
Boolean bClipToGraphicsExtent = true, IEnvelope pEnvelope = null)
{
//解决文件名错误
IActiveView docActiveView = pView;
IExport docExport;
long iPrevOutputImageQuality;
IOutputRasterSettings docOutputRasterSettings;
IEnvelope PixelBoundsEnv;
tagRECT exportRECT;
tagRECT DisplayBounds;
IDisplayTransformation docDisplayTransformation;
IPageLayout docPageLayout;
IEnvelope docMapExtEnv;
if (pEnvelope == null)
pEnvelope = GetGraphicsExtent(pView);
long hdc;
long tmpDC;
//string sNameRoot;
long iScreenResolution;
bool bReenable = false;
IEnvelope docGraphicsExtentEnv;
IUnitConverter pUnitConvertor;
if (GetFontSmoothing())
{
bReenable = true;
DisableFontSmoothing();
if (GetFontSmoothing())
{
//font smoothing is NOT successfully disabled, error out.
return;
}
//else font smoothing was successfully disabled.
}
// The Export*Class() type initializes a new export class of the desired type.
if (String.Compare(sExportType,"PDF",true) == 0)
{
docExport = new ExportPDFClass();
}
else if (String.Compare(sExportType,"EPS",true) == 0)
{
docExport = new ExportPSClass();
}
else if (String.Compare(sExportType,"AI",true) == 0)
{
docExport = new ExportAIClass();
}
else if (String.Compare(sExportType,"BMP",true) == 0)
{
docExport = new ExportBMPClass();
}
else if (String.Compare(sExportType,"TIFF",true) == 0)
{
docExport = new ExportTIFFClass();
}
else if (String.Compare(sExportType,"SVG",true) == 0)
{
docExport = new ExportSVGClass();
}
else if (String.Compare(sExportType,"PNG",true) == 0)
{
docExport = new ExportPNGClass();
}
else if (String.Compare(sExportType,"GIF",true) == 0)
{
docExport = new ExportGIFClass();
}
else if (String.Compare(sExportType,"EMF",true) == 0)
{
docExport = new ExportEMFClass();
}
else if (String.Compare(sExportType,"JPEG",true) == 0 ||
String.Compare(sExportType,"JPG",true) == 0)
{
docExport = new ExportJPEGClass();
}
else
{
MessageBox.Show("！！不支持的格式 " + sExportType + ", 默认导出 EMF.");
sExportType = "EMF";
docExport = new ExportEMFClass();
}
// save the previous output image quality, so that when the export is complete it will be set back.
docOutputRasterSettings = docActiveView.ScreenDisplay.DisplayTransformation as IOutputRasterSettings;
iPrevOutputImageQuality = docOutputRasterSettings.ResampleRatio;
if (docExport is IExportImage)
{
// always set the output quality of the DISPLAY to 1 for image export formats
SetOutputQuality(docActiveView, 1);
}
else
{
// for vector formats, assign the desired ResampleRatio to control drawing of raster layers at export time
SetOutputQuality(docActiveView, lResampleRatio);
}
//set the name root for the export
// sNameRoot = "ExportActiveViewSampleOutput";
//set the export filename (which is the nameroot + the appropriate file extension)
docExport.ExportFileName = sOutputDir + "\\" + sOutputName + "." + docExport.Filter.Split('.')[1].Split('|')[0].Split(')')[0];
tmpDC = GetDC(0);
iScreenResolution = GetDeviceCaps((int)tmpDC, 88); //88 is the win32 const for Logical pixels/inch in X)
ReleaseDC(0, (int)tmpDC);
docExport.Resolution = iOutputResolution;
if (docActiveView is IPageLayout)
{
//get the bounds of the "exportframe" of the active view.
DisplayBounds = docActiveView.ExportFrame;
//set up pGraphicsExtent, used if clipping to graphics extent.
docGraphicsExtentEnv = pEnvelope;
}
else
{
//Get the bounds of the deviceframe for the screen.
docDisplayTransformation = docActiveView.ScreenDisplay.DisplayTransformation;
DisplayBounds = docDisplayTransformation.get_DeviceFrame();
}
PixelBoundsEnv = new Envelope() as IEnvelope;
if (bClipToGraphicsExtent && (docActiveView is IPageLayout))
{
docGraphicsExtentEnv = pEnvelope;
docPageLayout = docActiveView as PageLayout;
pUnitConvertor = new UnitConverter();
//assign the x and y values representing the clipped area to the PixelBounds envelope
PixelBoundsEnv.XMin = 0;
PixelBoundsEnv.YMin = 0;
PixelBoundsEnv.XMax = pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.XMax, docPageLayout.Page.Units, esriUnits.esriInches) * docExport.Resolution - pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.XMin, docPageLayout.Page.Units, esriUnits.esriInches) * docExport.Resolution;
PixelBoundsEnv.YMax = pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.YMax, docPageLayout.Page.Units, esriUnits.esriInches) * docExport.Resolution - pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.YMin, docPageLayout.Page.Units, esriUnits.esriInches) * docExport.Resolution;
//'assign the x and y values representing the clipped export extent to the exportRECT
exportRECT.bottom = (int)(PixelBoundsEnv.YMax) + 1;
exportRECT.left = (int)(PixelBoundsEnv.XMin);
exportRECT.top = (int)(PixelBoundsEnv.YMin);
exportRECT.right = (int)(PixelBoundsEnv.XMax) + 1;
//since we're clipping to graphics extent, set the visible bounds.
docMapExtEnv = docGraphicsExtentEnv;
}
else
{
double tempratio = iOutputResolution / iScreenResolution;
double tempbottom = DisplayBounds.bottom * tempratio;
double tempright = DisplayBounds.right * tempratio;
//'The values in the exportRECT tagRECT correspond to the width
//and height to export, measured in pixels with an origin in the top left corner.
exportRECT.bottom = (int)Math.Truncate(tempbottom);
exportRECT.left = 0;
exportRECT.top = 0;
exportRECT.right = (int)Math.Truncate(tempright);
//populate the PixelBounds envelope with the values from exportRECT.
// We need to do this because the exporter object requires an envelope object
// instead of a tagRECT structure.
PixelBoundsEnv.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom);
//since it's a page layout or an unclipped page layout we don't need docMapExtEnv.
docMapExtEnv = null;
}
// Assign the envelope object to the exporter object's PixelBounds property. The exporter object
// will use these dimensions when allocating memory for the export file.
docExport.PixelBounds = PixelBoundsEnv;
// call the StartExporting method to tell docExport you're ready to start outputting.
hdc = docExport.StartExporting();
// Redraw the active view, rendering it to the exporter object device context instead of the app display.
// We pass the following values:
// * hDC is the device context of the exporter object.
// * exportRECT is the tagRECT structure that describes the dimensions of the view that will be rendered.
// The values in exportRECT should match those held in the exporter object's PixelBounds property.
// * docMapExtEnv is an envelope defining the section of the original image to draw into the export object.
docActiveView.Output((int)hdc, (int)docExport.Resolution, ref exportRECT, docMapExtEnv, null);
//finishexporting, then cleanup.
docExport.FinishExporting();
docExport.Cleanup();
MessageBox.Show("成功导出地图： " + docExport.ExportFileName, "提示");
//set the output quality back to the previous value
SetOutputQuality(docActiveView, iPrevOutputImageQuality);
if (bReenable)
{
EnableFontSmoothing();
bReenable = false;
if (!GetFontSmoothing())
{
//error: cannot reenable font smoothing.
MessageBox.Show("Unable to reenable Font Smoothing", "Font Smoothing error");
}
}
docMapExtEnv = null;
PixelBoundsEnv = null;
}
private void ExportActiveViewParameterized(long iOutputResolution, long lResampleRatio, string ExportType, string sOutputName, Boolean bClipToGraphicsExtent)
{
/* EXPORT PARAMETER: (iOutputResolution) the resolution requested.
* EXPORT PARAMETER: (lResampleRatio) Output Image Quality of the export. The value here will only be used if the export
* object is a format that allows setting of Output Image Quality, i.e. a vector exporter.
* The value assigned to ResampleRatio should be in the range 1 to 5.
* 1 corresponds to "Best", 5 corresponds to "Fast"
* EXPORT PARAMETER: (ExportType) a string which contains the export type to create.
* EXPORT PARAMETER: (sOutputDir) a string which contains the directory to output to.
* EXPORT PARAMETER: (bClipToGraphicsExtent) Assign True or False to determine if export image will be clipped to the graphic
* extent of layout elements. This value is ignored for data view exports
*/
/* Exports the Active View of the document to selected output format. */
IActiveView docActiveView = null;
if (m_hookHelper == null)
{
docActiveView = ExportActiveView;
}
else
{
docActiveView = m_hookHelper.ActiveView;
}
IExport docExport;
long iPrevOutputImageQuality;
IOutputRasterSettings docOutputRasterSettings;
IEnvelope PixelBoundsEnv;
tagRECT exportRECT;
tagRECT DisplayBounds;
IDisplayTransformation docDisplayTransformation;
IPageLayout docPageLayout;
IEnvelope docMapExtEnv;
long hdc;
long tmpDC;
string sNameRoot;
long iScreenResolution;
bool bReenable = false;
IEnvelope docGraphicsExtentEnv;
IUnitConverter pUnitConvertor;
if (GetFontSmoothing())
{
/* font smoothing is on, disable it and set the flag to reenable it later. */
bReenable = true;
DisableFontSmoothing();
if (GetFontSmoothing())
{
//font smoothing is NOT successfully disabled, error out.
return;
}
//else font smoothing was successfully disabled.
}
// The Export*Class() type initializes a new export class of the desired type.
if (ExportType == "PDF")
{
docExport = new ExportPDFClass();
IExportPDF pExPDF = docExport as IExportPDF;
pExPDF.EmbedFonts = true;
}
else if (ExportType == "EPS")
{
docExport = new ExportPSClass();
}
else if (ExportType == "AI")
{
docExport = new ExportAIClass();
}
else if (ExportType == "BMP")
{
docExport = new ExportBMPClass();
}
else if (ExportType == "TIFF")
{
docExport = new ExportTIFFClass();
}
else if (ExportType == "SVG")
{
docExport = new ExportSVGClass();
}
else if (ExportType == "PNG")
{
docExport = new ExportPNGClass();
}
else if (ExportType == "GIF")
{
docExport = new ExportGIFClass();
}
else if (ExportType == "EMF")
{
docExport = new ExportEMFClass();
}
else if (ExportType == "JPG")
{
docExport = new ExportJPEGClass();
}
else
{
MessageBox.Show("Unsupported export type " + ExportType + ", defaulting to EMF.");
ExportType = "EMF";
docExport = new ExportEMFClass();
}
// save the previous output image quality, so that when the export is complete it will be set back.
docOutputRasterSettings = docActiveView.ScreenDisplay.DisplayTransformation as IOutputRasterSettings;
iPrevOutputImageQuality = docOutputRasterSettings.ResampleRatio;
if (docExport is IExportImage)
{
// always set the output quality of the DISPLAY to 1 for image export formats
SetOutputQuality(docActiveView, 1);
}
else
{
// for vector formats, assign the desired ResampleRatio to control drawing of raster layers at export time
SetOutputQuality(docActiveView, lResampleRatio);
}
//set the name root for the export
sNameRoot = docActiveView.FocusMap.Name;
//set the export filename (which is the nameroot + the appropriate file extension)
docExport.ExportFileName = sOutputName;
/* Get the device context of the screen */
tmpDC = GetDC(0);
/* Get the screen resolution. */
iScreenResolution = GetDeviceCaps((int)tmpDC, 88); //88 is the win32 const for Logical pixels/inch in X)
/* release the DC. */
ReleaseDC(0, (int)tmpDC);
docExport.Resolution = iOutputResolution;
if (docActiveView is IPageLayout)
{
//get the bounds of the "exportframe" of the active view.
DisplayBounds = docActiveView.ExportFrame;
//set up pGraphicsExtent, used if clipping to graphics extent.
docGraphicsExtentEnv = GetGraphicsExtent(docActiveView);
}
else
{
//Get the bounds of the deviceframe for the screen.
docDisplayTransformation = docActiveView.ScreenDisplay.DisplayTransformation;
DisplayBounds = docDisplayTransformation.get_DeviceFrame();
}
PixelBoundsEnv = new Envelope() as IEnvelope;
if (bClipToGraphicsExtent && (docActiveView is IPageLayout))
{
docGraphicsExtentEnv = GetGraphicsExtent(docActiveView);
docPageLayout = docActiveView as PageLayout;
pUnitConvertor = new UnitConverter();
//assign the x and y values representing the clipped area to the PixelBounds envelope
PixelBoundsEnv.XMin = 0;
PixelBoundsEnv.YMin = 0;
PixelBoundsEnv.XMax = pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.XMax, docPageLayout.Page.Units, esriUnits.esriInches) * docExport.Resolution - pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.XMin, docPageLayout.Page.Units, esriUnits.esriInches) * docExport.Resolution;
PixelBoundsEnv.YMax = pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.YMax, docPageLayout.Page.Units, esriUnits.esriInches) * docExport.Resolution - pUnitConvertor.ConvertUnits(docGraphicsExtentEnv.YMin, docPageLayout.Page.Units, esriUnits.esriInches) * docExport.Resolution;
//'assign the x and y values representing the clipped export extent to the exportRECT
exportRECT.bottom = (int)(PixelBoundsEnv.YMax) + 1;
exportRECT.left = (int)(PixelBoundsEnv.XMin);
exportRECT.top = (int)(PixelBoundsEnv.YMin);
exportRECT.right = (int)(PixelBoundsEnv.XMax) + 1;
//since we're clipping to graphics extent, set the visible bounds.
docMapExtEnv = docGraphicsExtentEnv;
}
else
{
double tempratio = iOutputResolution / iScreenResolution;
double tempbottom = DisplayBounds.bottom * tempratio;
double tempright = DisplayBounds.right * tempratio;
//'The values in the exportRECT tagRECT correspond to the width
//and height to export, measured in pixels with an origin in the top left corner.
exportRECT.bottom = (int)Math.Truncate(tempbottom);
exportRECT.left = 0;
exportRECT.top = 0;
exportRECT.right = (int)Math.Truncate(tempright);
//populate the PixelBounds envelope with the values from exportRECT.
// We need to do this because the exporter object requires an envelope object
// instead of a tagRECT structure.
PixelBoundsEnv.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom);
//since it's a page layout or an unclipped page layout we don't need docMapExtEnv.
docMapExtEnv = null;
}
// Assign the envelope object to the exporter object's PixelBounds property. The exporter object
// will use these dimensions when allocating memory for the export file.
docExport.PixelBounds = PixelBoundsEnv;
// call the StartExporting method to tell docExport you're ready to start outputting.
hdc = docExport.StartExporting();
// Redraw the active view, rendering it to the exporter object device context instead of the app display.
// We pass the following values:
// * hDC is the device context of the exporter object.
// * exportRECT is the tagRECT structure that describes the dimensions of the view that will be rendered.
// The values in exportRECT should match those held in the exporter object's PixelBounds property.
// * docMapExtEnv is an envelope defining the section of the original image to draw into the export object.
docActiveView.Output((int)hdc, (int)docExport.Resolution, ref exportRECT, docMapExtEnv, null);
//finishexporting, then cleanup.
docExport.FinishExporting();
docExport.Cleanup();
//MessageBox.Show("输出完成 " + sOutputName, "地图输出");
//set the output quality back to the previous value
SetOutputQuality(docActiveView, iPrevOutputImageQuality);
if (bReenable)
{
/* reenable font smoothing if we disabled it before */
EnableFontSmoothing();
bReenable = false;
if (!GetFontSmoothing())
{
//error: cannot reenable font smoothing.
MessageBox.Show("Unable to reenable Font Smoothing", "Font Smoothing error");
}
}
docMapExtEnv = null;
PixelBoundsEnv = null;
}
/// <summary>
/// Exports the map extent.
/// </summary>
/// <param name="activeView">The active view.</param>
/// <param name="outRect">The out rect.</param>
/// <param name="sOutputPath">The output file path.</param>
/// <param name="dResolution">The d resolution.</param>
/// <returns><c>true</c> if succeed, <c>false</c> otherwise.</returns>
public bool ExportMapExtent(IActiveView activeView, Size outRect, string sOutputPath, double dResolution)
{
bool result;
try
{
if (activeView == null)
{
result = false;
}
else
{
IExport export = null;
if (sOutputPath.EndsWith(".jpg"))
{
export = new ExportJPEGClass();
}
else if (sOutputPath.EndsWith(".tif"))
{
export = new ExportTIFFClass();
}
else if (sOutputPath.EndsWith(".bmp"))
{
export = new ExportBMPClass();
}
else if (sOutputPath.EndsWith(".emf"))
{
export = new ExportEMFClass();
}
else if (sOutputPath.EndsWith(".png"))
{
export = new ExportPNGClass();
}
else if (sOutputPath.EndsWith(".gif"))
{
export = new ExportGIFClass();
}
export.ExportFileName = sOutputPath;
IEnvelope extent = activeView.Extent;
export.Resolution = dResolution;
tagRECT tagRECT = default(tagRECT);
tagRECT.left = (tagRECT.top = 0);
tagRECT.right = outRect.Width;
tagRECT.bottom = (int)((double)tagRECT.right * extent.Height / extent.Width);
IEnvelope envelope = new EnvelopeClass();
envelope.PutCoords((double)tagRECT.left, (double)tagRECT.top, (double)tagRECT.right, (double)tagRECT.bottom);
export.PixelBounds = envelope;
ITrackCancel trackCancel = new CancelTrackerClass();
export.TrackCancel = trackCancel;
trackCancel.Reset();
trackCancel.CancelOnKeyPress = true;
trackCancel.CancelOnClick = false;
trackCancel.ProcessMessages = true;
int hDC = export.StartExporting();
activeView.Output(hDC, (int)((short)export.Resolution), ref tagRECT, extent, trackCancel);
bool flag = trackCancel.Continue();
if (flag)
{
export.FinishExporting();
export.Cleanup();
}
else
{
export.Cleanup();
}
flag = trackCancel.Continue();
result = true;
}
}
catch (Exception ex)
{
string message = ex.Message;
result = false;
}
return(result);
}
public static void ExportView(IActiveView view, IGeometry pGeo, int OutputResolution, int Width, int Height, string ExpPath, bool bRegion)
{
IExport pExport = null;
tagRECT exportRect = new tagRECT();
IEnvelope pEnvelope = pGeo.Envelope;
string sType = System.IO.Path.GetExtension(ExpPath);
switch (sType)
{
case ".jpg":
pExport = new ExportJPEGClass();
break;
case ".bmp":
pExport = new ExportBMPClass();
break;
case ".gif":
pExport = new ExportGIFClass();
break;
case ".tif":
pExport = new ExportTIFFClass();
break;
case ".png":
pExport = new ExportPNGClass();
break;
case ".pdf":
pExport = new ExportPDFClass();
break;
default:
MessageBox.Show("没有输出格式，默认到JPEG格式");
pExport = new ExportJPEGClass();
break;
}
pExport.ExportFileName = ExpPath;
exportRect.left = 0;
exportRect.top = 0;
exportRect.right = Width;
exportRect.bottom = Height;//bottom 写成 left 两天才排出错误 2016年4月17日20:24:13
if (bRegion)
{
view.GraphicsContainer.DeleteAllElements();
view.Refresh();
}
IEnvelope envelope = new EnvelopeClass();
envelope.PutCoords((double)exportRect.left, (double)exportRect.top, (double)exportRect.right, (double)exportRect.bottom);
pExport.PixelBounds = envelope;
//MessageBox.Show("Go Here！ OutputResolution " + OutputResolution, "yahooo");
view.Output(pExport.StartExporting(), OutputResolution, ref exportRect, pEnvelope, null);//无法运行2016年4月17日14:42:25
/*
* 当时发现错误出现在上句，对分辨率参数做了排查，但是忽略了其它参数，而最终的问题就在于其中的pEnvelope参数
* 这次能够排出错误，是因为对照了原来的代码，而在自己写程序时没有参考代码，仅靠对照排错是不够的，
* 因此，要逐步缩小出错的代码块，对每一个参数都要进行检验。（2016年4月17日20:31:12）
*/
pExport.FinishExporting();
pExport.Cleanup();
}
/// <summary>
/// 输出当前地图至指定的文件
/// </summary>
/// <param name="pView"></param>
/// <param name="outPath"></param>
public void ExportMapExtent(IActiveView pView, string outPath)
{
try
{
//参数检查
if (pView == null)
{
throw new Exception("输入参数错误,无法生成图片文件!");
}
//根据给定的文件扩展名，来决定生成不同类型的对象
IExport export = null;
if (outPath.EndsWith(".jpg"))
{
export = new ExportJPEGClass();
}
else if (outPath.EndsWith(".tiff"))
{
export = new ExportTIFFClass();
}
else if (outPath.EndsWith(".bmp"))
{
export = new ExportBMPClass();
}
else if (outPath.EndsWith(".emf"))
{
export = new ExportEMFClass();
}
else if (outPath.EndsWith(".png"))
{
export = new ExportPNGClass();
}
else if (outPath.EndsWith(".gif"))
{
export = new ExportGIFClass();
}
export.ExportFileName = outPath;
IEnvelope pEnvelope = pView.Extent;
//导出参数
export.Resolution = 300;
tagRECT exportRect = new tagRECT();
exportRect.left = 0;
exportRect.top = 0;
//这里暂时固定大小
exportRect.right = 700;
exportRect.bottom = 1000;
IEnvelope envelope = new EnvelopeClass();
//输出范围
envelope.PutCoords(exportRect.left, exportRect.bottom, exportRect.right, exportRect.top);
export.PixelBounds = envelope;
//可用于取消操作
ITrackCancel pCancel = new CancelTrackerClass();
export.TrackCancel = pCancel;
pCancel.Reset();
//点击ESC键时，中止转出
pCancel.CancelOnKeyPress = true;
pCancel.CancelOnClick = false;
pCancel.ProcessMessages = true;
//获取handle
int hDC = export.StartExporting();
//开始转出
pView.Output(hDC, (int)export.Resolution, ref exportRect, pEnvelope, pCancel);
bool bContinue = pCancel.Continue();
//捕获是否继续
if (bContinue)
{
export.FinishExporting();
export.Cleanup();
MessageBox.Show("导出至" + outPath);
}
else
{
export.Cleanup();
}
bContinue = pCancel.Continue();
}
catch (Exception excep)
{
MessageBox.Show("导出失败" + excep.Message);//错误信息提示
}
}