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>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();
}
