public void screenShot(IEnvelope IN_Envelope, string IN_SaveFile, AxMapControl IN_Axmapcontrols, double ratio)
{
/*
* IN_Envelope为输出范围，单位为米
* IN_SaveFile为输出文件名
* IN_Axmapcontrols map控件
* ratio 影像空间分辨率的倒数
*
*/
if (IN_Envelope == null)
{
IN_Envelope = IN_Axmapcontrols.ActiveView.Extent;
}
IExport Temp_Exporter = new ExportJPEGClass(); //定义输出设备 Temp_Exporter
IActiveView Temp_CurrentActiveView = IN_Axmapcontrols.ActiveView;
tagRECT Temp_TtagRECT; //定义的是输出设备的像素大小
Temp_TtagRECT.left = 0;
Temp_TtagRECT.top = 0;
Temp_TtagRECT.right = (int)(IN_Envelope.Width * ratio);
Temp_TtagRECT.bottom = (int)(IN_Envelope.Height * ratio);
int Temp_DPI = 300; //DPI 设置
IEnvelope Temp_Envelope = new EnvelopeClass(); //定义一个Envelope来确定设备单元中输出的图片大小
Temp_Envelope.PutCoords(Temp_TtagRECT.left, Temp_TtagRECT.top, Temp_TtagRECT.right, Temp_TtagRECT.bottom);
//Temp_Envelope.PutCoords(0, 0, 500, 500); 此参数只会显示图片左上角500*500区域
Temp_Exporter.Resolution = Temp_DPI;
Temp_Exporter.ExportFileName = IN_SaveFile;
Temp_Exporter.PixelBounds = Temp_Envelope;
//IOutputRasterSettings pOutputRasterS = (IOutputRasterSettings)IN_Axmapcontrols.ActiveView.ScreenDisplay.DisplayTransformation;
IOutputRasterSettings pOutputRasterS = (IOutputRasterSettings)Temp_CurrentActiveView.ScreenDisplay.DisplayTransformation;
pOutputRasterS.ResampleRatio = 1; //设置了这个采样比例后，输出图片的像素和原始影像的像素一样！
Temp_CurrentActiveView.Output(Temp_Exporter.StartExporting(), (int)Temp_DPI, ref Temp_TtagRECT, IN_Envelope, null);
Temp_Exporter.FinishExporting();
Temp_Exporter.Cleanup();
System.Runtime.InteropServices.Marshal.ReleaseComObject(Temp_Exporter);
}
private void btnPrint_Click(object sender, EventArgs e)
{
this.Cursor = System.Windows.Forms.Cursors.WaitCursor;
if (export is IOutputRasterSettings)
{
//矢量格式输出
rasterSettings = (IOutputRasterSettings)export;
rasterSettings.ResampleRatio = 1;
}
if (Information.IsNumeric(txtResolution.Text))
{
iOutputResolution = Convert.ToInt32(txtResolution.Text);
}
else
{
iOutputResolution = 300;
}
IActiveView pActiveView = axPageLayoutControl1.ActiveView;
double iScreenResolution = pActiveView.ScreenDisplay.DisplayTransformation.Resolution;
tagRECT exportRECT;
exportRECT.left = 0;
exportRECT.top = 0;
exportRECT.right = Convert.ToInt32(Math.Ceiling(pActiveView.ExportFrame.right * (iOutputResolution / iScreenResolution)));
exportRECT.bottom = Convert.ToInt32(Math.Round(pActiveView.ExportFrame.bottom * (iOutputResolution / iScreenResolution)));
IEnvelope pPixelBoundsEnv = new EnvelopeClass();
pPixelBoundsEnv.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom);
export.Resolution = iOutputResolution;
export.PixelBounds = pPixelBoundsEnv;
export.ExportFileName = exportFileName;
int hDC = export.StartExporting();
pActiveView.Output(hDC, (int)export.Resolution, ref exportRECT, null, null);
export.FinishExporting();
export.Cleanup();
this.Close();
this.Cursor = Cursors.Default;
MessageBox.Show("输出成功！", "消息提示：", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
private void btnPrint_Click(object sender, EventArgs e)
{
if (export is IOutputRasterSettings)
{
rasterSettings = export as IOutputRasterSettings;
rasterSettings.ResampleRatio = 1;
}
if (Information.IsNumeric(txtResolution.Text))
{
iOutputResolution = Convert.ToInt32(txtResolution.Text);
}
else
{
iOutputResolution = 300;
}
IActiveView pActiveView = axPageLayoutControl1.ActiveView;
double iScreenResolution = pActiveView.ScreenDisplay.
DisplayTransformation.Resolution;
tagRECT exportRECT; exportRECT.left = 0; exportRECT.top = 0;
exportRECT.right = Convert.ToInt32(Math.Ceiling(pActiveView.ExportFrame.
right * (iOutputResolution / iScreenResolution)));
exportRECT.bottom = Convert.ToInt32(Math.Round(pActiveView.ExportFrame.
bottom * (iOutputResolution / iScreenResolution)));
IEnvelope pPixelBoundsEnv = new Envelope() as IEnvelope;
pPixelBoundsEnv.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right
, exportRECT.bottom);
export.Resolution = iOutputResolution;
export.PixelBounds = pPixelBoundsEnv;
export.ExportFileName = exportFileName;
int hDC = export.StartExporting();
pActiveView.Output(hDC, (int)export.Resolution, ref exportRECT,
null, null);
export.FinishExporting();
export.Cleanup();
MessageBox.Show("Export Success");
}
public void PrintActiveViewParameterized(long long_0)
{
short num6;
tagRECT grect;
IActiveView view = this.iactiveView_0;
IEnvelope deviceBounds = new EnvelopeClass();
IEnvelope pageBounds = new EnvelopeClass();
IOutputRasterSettings displayTransformation =
view.ScreenDisplay.DisplayTransformation as IOutputRasterSettings;
long resampleRatio = displayTransformation.ResampleRatio;
this.method_4(view, long_0);
this.iprinter_0.SpoolFileName = "打印地图";
int num2 = CreateDC(this.iprinter_0.DriverName, this.iprinter_0.Paper.PrinterName, "", IntPtr.Zero);
if (this.iactiveView_0 is IPageLayout)
{
double overlap = 0.0;
short num4 = 1;
short pageCount = 1;
if (this.rdoTitle.Checked)
{
overlap = double.Parse(this.txbOverlap.Text);
(this.iactiveView_0 as IPageLayout).Page.PrinterPageCount(this.iprinter_0, 0.0, out num6);
if (this.rdoAll.Checked)
{
(this.iactiveView_0 as IPageLayout2).Page.PrinterPageCount(this.iprinter_0,
Convert.ToDouble(this.txbOverlap.Text), out pageCount);
}
else
{
num4 = (short)this.txbStartPage.Value;
pageCount = (short)this.txbEndPage.Value;
}
}
num4 = (short)(num4 - 1);
int hDC = 0;
for (short i = num4; i < pageCount; i = (short)(i + 1))
{
(this.iactiveView_0 as IPageLayout).Page.GetDeviceBounds(this.iprinter_0, i, overlap,
this.iprinter_0.Resolution, deviceBounds);
grect.bottom = ((int)deviceBounds.YMax) - GetDeviceCaps(num2, 113);
grect.left = ((int)deviceBounds.XMin) - GetDeviceCaps(num2, 112);
grect.right = ((int)deviceBounds.XMax) - GetDeviceCaps(num2, 112);
grect.top = ((int)deviceBounds.YMin) - GetDeviceCaps(num2, 113);
deviceBounds.PutCoords(0.0, 0.0, (double)(grect.right - grect.left),
(double)(grect.bottom - grect.top));
(this.iactiveView_0 as IPageLayout).Page.GetPageBounds(this.iprinter_0, i, overlap, pageBounds);
hDC = this.iprinter_0.StartPrinting(deviceBounds, 0);
this.iactiveView_0.Output(hDC, this.iprinter_0.Resolution, ref grect, pageBounds, null);
this.iprinter_0.FinishPrinting();
}
}
else
{
num6 = 1;
pageBounds = null;
if (this.ipageLayoutControl_0 != null)
{
this.ipageLayoutControl_0.Page.GetDeviceBounds(this.iprinter_0, 0, 0.0, this.iprinter_0.Resolution,
deviceBounds);
grect.bottom = ((int)deviceBounds.YMax) - GetDeviceCaps(num2, 113);
grect.left = ((int)deviceBounds.XMin) - GetDeviceCaps(num2, 112);
grect.right = ((int)deviceBounds.XMax) - GetDeviceCaps(num2, 112);
grect.top = ((int)deviceBounds.YMin) - GetDeviceCaps(num2, 113);
}
else
{
WKSEnvelope envelope3;
this.iprinter_0.PrintableBounds.QueryWKSCoords(out envelope3);
double a = envelope3.XMin * this.iprinter_0.Resolution;
double num10 = envelope3.XMax * this.iprinter_0.Resolution;
double num11 = envelope3.YMin * this.iprinter_0.Resolution;
double num12 = envelope3.YMax * this.iprinter_0.Resolution;
grect.left = (int)Math.Round(a);
grect.top = (int)Math.Round(num11);
grect.right = (int)Math.Round(num10);
grect.bottom = (int)Math.Round(num12);
}
this.iactiveView_0.Output(this.iprinter_0.StartPrinting(deviceBounds, 0), this.iprinter_0.Resolution,
ref grect, pageBounds, null);
this.iprinter_0.FinishPrinting();
}
this.method_4(view, resampleRatio);
ReleaseDC(0, num2);
}
/// <summary>
/// Called when a step of this type is executed in the workflow.
/// </summary>
/// <param name="JobID">ID of the job being executed</param>
/// <param name="StepID">ID of the step being executed</param>
/// <param name="argv">Array of arguments passed into the step's execution</param>
/// <param name="ipFeedback">Feedback object to return status messages and files</param>
/// <returns>Return code of execution for workflow path traversal</returns>
public int Execute(int JobID, int stepID, ref object[] argv, ref IJTXCustomStepFeedback ipFeedback)
{
if (JobID <= 0)
{
throw new ArgumentOutOfRangeException("JobID", JobID, "Job ID must be a positive value");
}
try
{
string strTemp = "";
bool bAttach = false;
if (StepUtilities.GetArgument(ref argv, m_expectedArgs[1], false, out strTemp))
{
bAttach = true;
}
string strResolution;
if (!StepUtilities.GetArgument(ref argv, m_expectedArgs[2], false, out strResolution))
{
strResolution = "1200";
}
int iResolution = 1200;
if (!Int32.TryParse(strResolution, out iResolution))
{
iResolution = 1200;
}
string outputPath = "";
if (!bAttach)
{
SaveFileDialog pSaveFileDialog = new SaveFileDialog();
pSaveFileDialog.Filter = "PDF files (*.pdf)|*.pdf";
pSaveFileDialog.Title = "Choose output location...";
string strInitDir = "";
if (StepUtilities.GetArgument(ref argv, m_expectedArgs[0], true, out strInitDir))
{
if (System.IO.Directory.Exists(strInitDir))
{
pSaveFileDialog.InitialDirectory = strInitDir;
}
}
if (pSaveFileDialog.ShowDialog() != DialogResult.OK)
{
return(-1);
}
outputPath = pSaveFileDialog.FileName;
}
string inputPath = JTXUtilities.SaveJobMXD(JobID);
if (bAttach)
{
outputPath = SystemUtilities.GetTemporaryFileLocation(inputPath, "pdf");
}
// delete output file if it already exists
System.IO.FileInfo fi = new System.IO.FileInfo(outputPath);
if (fi.Exists)
{
fi.Delete();
}
MapDocumentClass map = new MapDocumentClass();
if (!map.get_IsMapDocument(inputPath))
{
throw new ApplicationException("Invalid map or specified map not found.");
}
map.Open(inputPath, null);
IActiveView pActiveView = (IActiveView)map.PageLayout;
IExport pExport = new ExportPDFClass();
pExport.ExportFileName = outputPath;
tagRECT deviceFrameRect;
deviceFrameRect.left = 0;
deviceFrameRect.right = 800;
deviceFrameRect.top = 0;
deviceFrameRect.bottom = 600;
pActiveView.ScreenDisplay.DisplayTransformation.set_DeviceFrame(ref deviceFrameRect);
int iOutputResolution = iResolution;
int iScreenResolution = 96;
pExport.Resolution = iOutputResolution;
IOutputRasterSettings pOutputRasterSettings = (IOutputRasterSettings)pExport;
pOutputRasterSettings.ResampleRatio = 1;
tagRECT exportRect;
exportRect.left = pActiveView.ExportFrame.left * (iOutputResolution / iScreenResolution);
exportRect.top = pActiveView.ExportFrame.top * (iOutputResolution / iScreenResolution);
exportRect.right = pActiveView.ExportFrame.right * (iOutputResolution / iScreenResolution);
exportRect.bottom = pActiveView.ExportFrame.bottom * (iOutputResolution / iScreenResolution);
IEnvelope pPixelBoundsEnv = new EnvelopeClass();
pPixelBoundsEnv.PutCoords(exportRect.left, exportRect.top, exportRect.right, exportRect.bottom);
pExport.PixelBounds = pPixelBoundsEnv;
int hdc = pExport.StartExporting();
pActiveView.Output(hdc, iOutputResolution, ref exportRect, null, null);
pExport.FinishExporting();
pExport.Cleanup();
if (bAttach)
{
JTXUtilities.AddAttachmentToJob(JobID, outputPath, jtxFileStorageType.jtxStoreInDB);
}
return(0);
}
catch (Exception ex)
{
throw ex;
}
}
