public static void Draw(Context grw, RectangleElement rect)
{
if (rect.Foregraund != null) {
grw.SetSourceRGBA (
rect.Foregraund.Red,
rect.Foregraund.Green,
rect.Foregraund.Blue,
rect.Alpha);
}
grw.Rectangle (
new Rectangle (
rect.LeftBottom.GeometryX,
rect.LeftBottom.GeometryY,
rect.GeometryWidth,
rect.GeometryHeight));
grw.StrokePreserve();
grw.Fill();
}
private void btnCreatePdf_Click(object sender, EventArgs e)
{
// create a PDF document
Document document = new Document();
// set the license key
document.LicenseKey = "B4mYiJubiJiInIaYiJuZhpmahpGRkZE=";
// add a page to the PDF document
PdfPage firstPage = document.AddPage();
// draw rectangle
RectangleElement rectangle1 = new RectangleElement(10, 10, 150, 100);
rectangle1.ForeColor = System.Drawing.Color.Blue;
rectangle1.LineStyle.LineWidth = 5; // a 5 points line width
rectangle1.LineStyle.LineJoinStyle = LineJoinStyle.RoundJoin;
firstPage.AddElement(rectangle1);
// draw colored rectangle
RectangleElement rectangle2 = new RectangleElement(200, 10, 150, 100);
rectangle2.ForeColor = System.Drawing.Color.Blue;
rectangle2.BackColor = System.Drawing.Color.Green;
firstPage.AddElement(rectangle2);
// draw gradient colored rectangle
RectangleElement rectangle3 = new RectangleElement(400, 25, 100, 50);
rectangle3.ForeColor = System.Drawing.Color.Blue;
rectangle3.Gradient = new GradientColor(GradientDirection.Vertical, System.Drawing.Color.Green, System.Drawing.Color.Blue);
firstPage.AddElement(rectangle3);
// draw ellipse
EllipseElement ellipse1 = new EllipseElement(75, 200, 70, 50);
ellipse1.ForeColor = System.Drawing.Color.Blue;
ellipse1.LineStyle.LineDashStyle = LineDashStyle.Dash;
firstPage.AddElement(ellipse1);
// draw ellipse
EllipseElement ellipse2 = new EllipseElement(275, 200, 70, 50);
ellipse2.ForeColor = System.Drawing.Color.Blue;
ellipse2.BackColor = System.Drawing.Color.Green;
firstPage.AddElement(ellipse2);
// draw ellipse
EllipseElement ellipse3 = new EllipseElement(450, 200, 50, 25);
ellipse3.ForeColor = System.Drawing.Color.Blue;
ellipse3.Gradient = new GradientColor(GradientDirection.Vertical, System.Drawing.Color.Green, System.Drawing.Color.Blue);
firstPage.AddElement(ellipse3);
BezierCurveElement bezierCurve1 = new BezierCurveElement(10, 350, 100, 300, 200, 400, 300, 350);
bezierCurve1.ForeColor = System.Drawing.Color.Blue;
bezierCurve1.LineStyle.LineWidth = 3;
bezierCurve1.LineStyle.LineJoinStyle = LineJoinStyle.RoundJoin;
firstPage.AddElement(bezierCurve1);
BezierCurveElement bezierCurve2 = new BezierCurveElement(10, 350, 100, 400, 200, 300, 300, 350);
bezierCurve2.ForeColor = System.Drawing.Color.Green;
bezierCurve2.LineStyle.LineWidth = 3;
bezierCurve2.LineStyle.LineJoinStyle = LineJoinStyle.RoundJoin;
firstPage.AddElement(bezierCurve2);
string outFilePath = System.IO.Path.Combine(Application.StartupPath, "ShapesDemo.pdf");
// save the PDF document to disk
document.Save(outFilePath);
// close the PDF document to release the resources
document.Close();
DialogResult dr = MessageBox.Show("Open the saved file in an external viewer?", "Open Rendered File", MessageBoxButtons.YesNo);
if (dr == DialogResult.Yes)
{
try
{
System.Diagnostics.Process.Start(outFilePath);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
}
}
protected void btnCreatePDF_Click(object sender, EventArgs e)
{
string pdfToModify = textBoxPdfFilePath.Text.Trim();
// create a PDF document
Document document = new Document(pdfToModify);
// set the license key
document.LicenseKey = "B4mYiJubiJiInIaYiJuZhpmahpGRkZE=";
// get the first page the PDF document
PdfPage firstPage = document.Pages[0];
string logoTransImagePath = System.IO.Path.Combine(Server.MapPath("~"), @"images\evologo-100-trans.png");
string logoOpaqueImagePath = System.IO.Path.Combine(Server.MapPath("~"), @"images\evologo-100.jpg");
// add an opaque image stamp in the top left corner of the first page
// and make it semitransparent when rendered in PDF
ImageElement imageStamp = new ImageElement(1, 1, logoOpaqueImagePath);
imageStamp.Opacity = 50;
AddElementResult addResult = firstPage.AddElement(imageStamp);
// add a border for the image stamp
RectangleElement imageBorderRectangleElement = new RectangleElement(1, 1, addResult.EndPageBounds.Width,
addResult.EndPageBounds.Height);
firstPage.AddElement(imageBorderRectangleElement);
// add a template stamp to the document repeated on each document page
// the template contains an image and a text
System.Drawing.Image logoImg = System.Drawing.Image.FromFile(logoTransImagePath);
// calculate the template stamp location and size
System.Drawing.SizeF imageSizePx = logoImg.PhysicalDimension;
float imageWidthPoints = UnitsConverter.PixelsToPoints(imageSizePx.Width);
float imageHeightPoints = UnitsConverter.PixelsToPoints(imageSizePx.Height);
float templateStampXLocation = (firstPage.ClientRectangle.Width - imageWidthPoints) / 2;
float templateStampYLocation = firstPage.ClientRectangle.Height / 4;
// the stamp size is equal to image size in points
Template templateStamp = document.AddTemplate(new System.Drawing.RectangleF(templateStampXLocation, templateStampYLocation,
imageWidthPoints, imageHeightPoints + 20));
// set a semitransparent background color for template
RectangleElement background = new RectangleElement(0, 0, templateStamp.ClientRectangle.Width, templateStamp.ClientRectangle.Height);
background.BackColor = Color.White;
background.Opacity = 25;
templateStamp.AddElement(background);
// add a true type font to the document
System.Drawing.Font ttfFontBoldItalic = new System.Drawing.Font("Times New Roman", 10,
System.Drawing.FontStyle.Bold | System.Drawing.FontStyle.Italic, System.Drawing.GraphicsUnit.Point);
PdfFont templateStampTextFont = document.AddFont(ttfFontBoldItalic, true);
// Add a text element to the template. You can add any other types of elements to a template like a HtmlToPdfElement.
TextElement templateStampTextElement = new TextElement(3, 0, "This is the Stamp Text", templateStampTextFont);
templateStampTextElement.ForeColor = System.Drawing.Color.DarkBlue;
templateStamp.AddElement(templateStampTextElement);
// Add an image with transparency to the template. You can add any other types of elements to a template like a HtmlToPdfElement.
ImageElement templateStampImageElement = new ImageElement(0, 20, logoImg);
// instruct the library to use transparency information
templateStampImageElement.RenderTransparentImage = true;
templateStamp.AddElement(templateStampImageElement);
// add a border to template
RectangleElement templateStampRectangleElement = new RectangleElement(0, 0, templateStamp.ClientRectangle.Width,
templateStamp.ClientRectangle.Height);
templateStamp.AddElement(templateStampRectangleElement);
// dispose the image
logoImg.Dispose();
// save the document on http response stream
try
{
// get the PDF document bytes
byte[] pdfBytes = document.Save();
// send the generated PDF document to client browser
// get the object representing the HTTP response to browser
HttpResponse httpResponse = HttpContext.Current.Response;
// add the Content-Type and Content-Disposition HTTP headers
httpResponse.AddHeader("Content-Type", "application/pdf");
httpResponse.AddHeader("Content-Disposition", String.Format("attachment; filename=PdfStamps.pdf; size={0}", pdfBytes.Length.ToString()));
// write the PDF document bytes as attachment to HTTP response
httpResponse.BinaryWrite(pdfBytes);
// Note: it is important to end the response, otherwise the ASP.NET
// web page will render its content to PDF document stream
httpResponse.End();
}
finally
{
document.Close();
}
}
void RecreateRectangles() {
delayRecreateRectanglesCalled = false;
if (wpfHexView.IsClosed)
return;
RemoveAllRectangles();
if (!enabled)
return;
if (wpfHexView.ViewportHeight == 0)
return;
var line = wpfHexView.HexViewLines.FirstVisibleLine;
var top = wpfHexView.ViewportTop;
var bottom = wpfHexView.ViewportBottom;
foreach (var info in GetRectanglePositions(line)) {
var props = editorFormatMap.GetProperties(GetClassificationTypeName(info.Key));
var bgBrush = GetBackgroundBrush(props);
if (bgBrush == null || TWPF.BrushComparer.Equals(bgBrush, Brushes.Transparent))
continue;
var lineElem = new RectangleElement(info.Key, info.Value, bgBrush, null);
bool added = adornmentLayer.AddAdornment(VSTE.AdornmentPositioningBehavior.OwnerControlled, (HexBufferSpan?)null, null, lineElem, null);
if (added)
rectangleElements.Add(lineElem);
}
latestBufferLines = wpfHexView.BufferLines;
}
protected void btnConvert_Click(object sender, EventArgs e)
{
PdfConverter pdfConverter = new PdfConverter();
// set the license key - required
pdfConverter.LicenseKey = "B4mYiJubiJiInIaYiJuZhpmahpGRkZE=";
// inform the converter about the HTML elements for which we want the location in PDF
// in this sample we want the location of IMG, H1 and H2 elements and the elements with ID
// equal to 'id1' or 'id2'
pdfConverter.HtmlElementsMappingOptions.HtmlElementSelectors = new string[] { "IMG", "H1", "H2", "#id1", "#id2" };
// call the converter and get a Document object from URL
Document pdfDocument = pdfConverter.GetPdfDocumentObjectFromUrl(textBoxWebPageURL.Text.Trim());
// iterate over the HTML elements locations and hightlight each element with a green rectangle
foreach (HtmlElementMapping elementMapping in pdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult)
{
// because a HTML element can span over many PDF pages the mapping
// of the HTML element in PDF document consists in a list of rectangles,
// one rectangle for each PDF page where this element was rendered
foreach (HtmlElementPdfRectangle elementLocationInPdf in elementMapping.PdfRectangles)
{
// get the PDF page
PdfPage pdfPage = pdfDocument.Pages[elementLocationInPdf.PageIndex];
RectangleF pdfRectangleInPage = elementLocationInPdf.Rectangle;
// create a RectangleElement to highlight the HTML element
RectangleElement highlightRectangle = new RectangleElement(pdfRectangleInPage.X, pdfRectangleInPage.Y,
pdfRectangleInPage.Width, pdfRectangleInPage.Height);
highlightRectangle.ForeColor = Color.Green;
pdfPage.AddElement(highlightRectangle);
}
}
byte[] pdfBytes = null;
try
{
pdfBytes = pdfDocument.Save();
}
finally
{
// close the Document to realease all the resources
pdfDocument.Close();
}
// send the generated PDF document to client browser
// get the object representing the HTTP response to browser
HttpResponse httpResponse = HttpContext.Current.Response;
// add the Content-Type and Content-Disposition HTTP headers
httpResponse.AddHeader("Content-Type", "application/pdf");
httpResponse.AddHeader("Content-Disposition", String.Format("attachment; filename=HtmlElementsLocation.pdf; size={0}", pdfBytes.Length.ToString()));
// write the PDF document bytes as attachment to HTTP response
httpResponse.BinaryWrite(pdfBytes);
// Note: it is important to end the response, otherwise the ASP.NET
// web page will render its content to PDF document stream
httpResponse.End();
}
private void btnCreatePdf_Click(object sender, EventArgs e)
{
string pdfToModify = textBoxPdfFilePath.Text.Trim();
// create a PDF document
Document document = new Document(pdfToModify);
// set the license key
document.LicenseKey = "B4mYiJubiJiInIaYiJuZhpmahpGRkZE=";
// get the first page the PDF document
PdfPage firstPage = document.Pages[0];
string logoTransImagePath = System.IO.Path.Combine(Application.StartupPath, @"..\..\img\evologo-100-trans.png");
string logoOpaqueImagePath = System.IO.Path.Combine(Application.StartupPath, @"..\..\img\evologo-100.jpg");
// add an opaque image stamp in the top left corner of the first page
// and make it semitransparent when rendered in PDF
ImageElement imageStamp = new ImageElement(1, 1, logoOpaqueImagePath);
imageStamp.Opacity = 50;
AddElementResult addResult = firstPage.AddElement(imageStamp);
// add a border for the image stamp
RectangleElement imageBorderRectangleElement = new RectangleElement(1, 1, addResult.EndPageBounds.Width,
addResult.EndPageBounds.Height);
firstPage.AddElement(imageBorderRectangleElement);
// add a template stamp to the document repeated on each document page
// the template contains an image and a text
System.Drawing.Image logoImg = System.Drawing.Image.FromFile(logoTransImagePath);
// calculate the template stamp location and size
System.Drawing.SizeF imageSizePx = logoImg.PhysicalDimension;
float imageWidthPoints = UnitsConverter.PixelsToPoints(imageSizePx.Width);
float imageHeightPoints = UnitsConverter.PixelsToPoints(imageSizePx.Height);
float templateStampXLocation = (firstPage.ClientRectangle.Width - imageWidthPoints) / 2;
float templateStampYLocation = firstPage.ClientRectangle.Height / 4;
// the stamp size is equal to image size in points
Template templateStamp = document.AddTemplate(new System.Drawing.RectangleF(templateStampXLocation, templateStampYLocation,
imageWidthPoints, imageHeightPoints + 20));
// set a semitransparent background color for template
RectangleElement background = new RectangleElement(0, 0, templateStamp.ClientRectangle.Width, templateStamp.ClientRectangle.Height);
background.BackColor = Color.White;
background.Opacity = 25;
templateStamp.AddElement(background);
// add a true type font to the document
System.Drawing.Font ttfFontBoldItalic = new System.Drawing.Font("Times New Roman", 10,
System.Drawing.FontStyle.Bold | System.Drawing.FontStyle.Italic, System.Drawing.GraphicsUnit.Point);
PdfFont templateStampTextFont = document.AddFont(ttfFontBoldItalic, true);
// Add a text element to the template. You can add any other types of elements to a template like a HtmlToPdfElement.
TextElement templateStampTextElement = new TextElement(3, 0, "This is the Stamp Text", templateStampTextFont);
templateStampTextElement.ForeColor = System.Drawing.Color.DarkBlue;
templateStamp.AddElement(templateStampTextElement);
// Add an image with transparency to the template. You can add any other types of elements to a template like a HtmlToPdfElement.
ImageElement templateStampImageElement = new ImageElement(0, 20, logoImg);
// instruct the library to use transparency information
templateStampImageElement.RenderTransparentImage = true;
templateStamp.AddElement(templateStampImageElement);
// add a border to template
RectangleElement templateStampRectangleElement = new RectangleElement(0, 0, templateStamp.ClientRectangle.Width,
templateStamp.ClientRectangle.Height);
templateStamp.AddElement(templateStampRectangleElement);
// dispose the image
logoImg.Dispose();
string outFilePath = System.IO.Path.Combine(Application.StartupPath, "PdfStamps.pdf");
// save the PDF document to disk
try
{
document.Save(outFilePath);
}
finally
{
document.Close();
}
DialogResult dr = MessageBox.Show("Open the saved file in an external viewer?", "Open Rendered File", MessageBoxButtons.YesNo);
if (dr == DialogResult.Yes)
{
try
{
System.Diagnostics.Process.Start(outFilePath);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
}
}
public void Refresh()
{
//If the selection does not support IGxDataset, do nothing.
IGxSelection pSelection = null;
IGxObject pLocation = null;
IGraphicsContainer pGraphicsLayer = null;
try
{
pSelection = m_pSelection;
pLocation = pSelection.Location;
if (!(pLocation is IGxDataset))
return;
//Clear the contents of the graphics layer.
pGraphicsLayer = (IGraphicsContainer)frmExtentView.AxMapControl1.Map.BasicGraphicsLayer;
pGraphicsLayer.DeleteAllElements();
//Some dataset may not have content at all
IGxDataset pGxDataset = null;
IGeoDataset pGeoDataset = null;
IElement pElement = null;
IFillShapeElement pFillShapeElement = null;
try
{
//Get the geodataset out of the GxDataset.
pGxDataset = (IGxDataset)pLocation;
if (pGxDataset.Type == esriDatasetType.esriDTLayer |
pGxDataset.Type == esriDatasetType.esriDTFeatureClass |
pGxDataset.Type == esriDatasetType.esriDTFeatureDataset)
{
pGeoDataset = (IGeoDataset)pGxDataset.Dataset;
}
else
{
return;
}
//Create a rectangular graphic element to represent the geodataset's full extent.
pElement = new RectangleElement();
pElement.Geometry = pGeoDataset.Extent;
//Set the element's symbology.
pFillShapeElement = (IFillShapeElement)pElement;
pFillShapeElement.Symbol = m_pFillSymbol;
//Add the rectangle element to the graphics layer, and force the map to redraw.
pGraphicsLayer.AddElement(pElement, 0);
frmExtentView.AxMapControl1.Refresh();
}
catch (Exception ex)
{
frmExtentView.AxMapControl1.Refresh();
throw ex;
}
finally
{
pGxDataset = null;
pGeoDataset = null;
pElement = null;
pFillShapeElement = null;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
finally
{
pSelection = null;
pLocation = null;
pGraphicsLayer = null;
}
}
private void btnConvert_Click(object sender, EventArgs e)
{
this.Cursor = Cursors.WaitCursor;
try
{
PdfConverter pdfConverter = new PdfConverter();
// set the license key
pdfConverter.LicenseKey = "B4mYiJubiJiInIaYiJuZhpmahpGRkZE=";
// inform the converter about the HTML elements for which we want the location in PDF
// in this sample we want the location of IMG, H1 and H2 elements and the elements having ID 'id1' or 'id2'
pdfConverter.HtmlElementsMappingOptions.HtmlElementSelectors = new string[] { "IMG", "H1", "H2", "#id1", "#id2" };
// call the converter and get a Document object from URL
Document pdfDocument = pdfConverter.GetPdfDocumentObjectFromUrl(textBoxURL.Text.Trim());
// iterate over the HTML elements locations and hightlight each element with a green rectangle
foreach (HtmlElementMapping elementMapping in pdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult)
{
// because a HTML element can span over many PDF pages the mapping
// of the HTML element in PDF document consists in a list of rectangles,
// one rectangle for each PDF page where this element was rendered
foreach (HtmlElementPdfRectangle elementLocationInPdf in elementMapping.PdfRectangles)
{
// get the PDF page
PdfPage pdfPage = pdfDocument.Pages[elementLocationInPdf.PageIndex];
RectangleF pdfRectangleInPage = elementLocationInPdf.Rectangle;
// create a RectangleElement to highlight the HTML element
RectangleElement highlightRectangle = new RectangleElement(pdfRectangleInPage.X, pdfRectangleInPage.Y,
pdfRectangleInPage.Width, pdfRectangleInPage.Height);
highlightRectangle.ForeColor = Color.Green;
pdfPage.AddElement(highlightRectangle);
}
}
// save the PDF bytes in a file on disk
string outFilePath = System.IO.Path.Combine(Application.StartupPath, "HtmlElementsLocation.pdf");
try
{
pdfDocument.Save(outFilePath);
}
finally
{
// close the Document to realease all the resources
pdfDocument.Close();
}
// open the generated PDF document in an external viewer
DialogResult dr = MessageBox.Show("Open the rendered file in an external viewer?", "Open Rendered File", MessageBoxButtons.YesNo);
if (dr == DialogResult.Yes)
{
System.Diagnostics.Process.Start(outFilePath);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
finally
{
this.Cursor = Cursors.Arrow;
}
}
protected void btnCreatePDF_Click(object sender, EventArgs e)
{
// create a PDF document
Document document = new Document();
// set the license key
document.LicenseKey = "B4mYiJubiJiInIaYiJuZhpmahpGRkZE=";
// add a page to the PDF document
PdfPage firstPage = document.AddPage();
// draw rectangle
RectangleElement rectangle1 = new RectangleElement(10, 10, 150, 100);
rectangle1.ForeColor = System.Drawing.Color.Blue;
rectangle1.LineStyle.LineWidth = 5; // a 5 points line width
rectangle1.LineStyle.LineJoinStyle = LineJoinStyle.RoundJoin;
firstPage.AddElement(rectangle1);
// draw colored rectangle
RectangleElement rectangle2 = new RectangleElement(200, 10, 150, 100);
rectangle2.ForeColor = System.Drawing.Color.Blue;
rectangle2.BackColor = System.Drawing.Color.Green;
firstPage.AddElement(rectangle2);
// draw gradient colored rectangle
RectangleElement rectangle3 = new RectangleElement(400, 25, 100, 50);
rectangle3.ForeColor = System.Drawing.Color.Blue;
rectangle3.Gradient = new GradientColor(GradientDirection.Vertical, System.Drawing.Color.Green, System.Drawing.Color.Blue);
firstPage.AddElement(rectangle3);
// draw ellipse
EllipseElement ellipse1 = new EllipseElement(75, 200, 70, 50);
ellipse1.ForeColor = System.Drawing.Color.Blue;
ellipse1.LineStyle.LineDashStyle = LineDashStyle.Dash;
firstPage.AddElement(ellipse1);
// draw ellipse
EllipseElement ellipse2 = new EllipseElement(275, 200, 70, 50);
ellipse2.ForeColor = System.Drawing.Color.Blue;
ellipse2.BackColor = System.Drawing.Color.Green;
firstPage.AddElement(ellipse2);
// draw ellipse
EllipseElement ellipse3 = new EllipseElement(450, 200, 50, 25);
ellipse3.ForeColor = System.Drawing.Color.Blue;
ellipse3.Gradient = new GradientColor(GradientDirection.Vertical, System.Drawing.Color.Green, System.Drawing.Color.Blue);
firstPage.AddElement(ellipse3);
BezierCurveElement bezierCurve1 = new BezierCurveElement(10, 350, 100, 300, 200, 400, 300, 350);
bezierCurve1.ForeColor = System.Drawing.Color.Blue;
bezierCurve1.LineStyle.LineWidth = 3;
bezierCurve1.LineStyle.LineJoinStyle = LineJoinStyle.RoundJoin;
firstPage.AddElement(bezierCurve1);
BezierCurveElement bezierCurve2 = new BezierCurveElement(10, 350, 100, 400, 200, 300, 300, 350);
bezierCurve2.ForeColor = System.Drawing.Color.Green;
bezierCurve2.LineStyle.LineWidth = 3;
bezierCurve2.LineStyle.LineJoinStyle = LineJoinStyle.RoundJoin;
firstPage.AddElement(bezierCurve2);
try
{
// get the PDF document bytes
byte[] pdfBytes = document.Save();
// send the generated PDF document to client browser
// get the object representing the HTTP response to browser
HttpResponse httpResponse = HttpContext.Current.Response;
// add the Content-Type and Content-Disposition HTTP headers
httpResponse.AddHeader("Content-Type", "application/pdf");
httpResponse.AddHeader("Content-Disposition", String.Format("attachment; filename=Shapes.pdf; size={0}", pdfBytes.Length.ToString()));
// write the PDF document bytes as attachment to HTTP response
httpResponse.BinaryWrite(pdfBytes);
// Note: it is important to end the response, otherwise the ASP.NET
// web page will render its content to PDF document stream
httpResponse.End();
}
finally
{
// close the PDF document to release the resources
document.Close();
}
}
public override void Visit(RectangleElement rectangle)
{
_graphics.DrawRectangle(_pen, rectangle.Rect);
}
/// <summary>
/// 添加图元
/// </summary>
/// <param name="pGeometry"></param>
/// <param name="pActiveView"></param>
/// <param name="pSymbol"></param>
/// <param name="key"></param>
/// <returns></returns>
public IElement AddElement(IGeometry pGeometry, ISymbol pSymbol, string key)
{
try
{
IActiveView pActiveView = MapControl.ActiveView;
IGraphicsContainer pGraphicsContainer = pActiveView.GraphicsContainer;
IElement pElement = null;
ILineElement pLineElement = null;
IFillShapeElement pFillShapeElement = null;
IMarkerElement pMarkerElement = null;
ICircleElement pCircleElement = null;
IElementProperties pElmentProperties = null;
switch (pGeometry.GeometryType)
{
case esriGeometryType.esriGeometryEnvelope:
{
pElement = new RectangleElement();
pElement.Geometry = pGeometry;
pFillShapeElement = (IFillShapeElement)pElement;
pFillShapeElement.Symbol = (IFillSymbol)pSymbol;
break;
}
case esriGeometryType.esriGeometryPolyline:
{
pElement = new LineElement();
pElement.Geometry = pGeometry;
pLineElement = (ILineElement)pElement;
pLineElement.Symbol = (ILineSymbol)pSymbol;
break;
}
case esriGeometryType.esriGeometryLine:
{
pElement = new LineElement();
pElement.Geometry = pGeometry;
pLineElement = (ILineElement)pElement;
pLineElement.Symbol = (ILineSymbol)pSymbol;
break;
}
case esriGeometryType.esriGeometryPolygon:
{
pElement = new PolygonElement();
pElement.Geometry = pGeometry;
pFillShapeElement = (IFillShapeElement)pElement;
pFillShapeElement.Symbol = (IFillSymbol)pSymbol;
break;
}
case esriGeometryType.esriGeometryMultipoint:
case esriGeometryType.esriGeometryPoint:
{
pElement = new MarkerElement();
pElement.Geometry = pGeometry;
pMarkerElement = (IMarkerElement)pElement;
pMarkerElement.Symbol = (IMarkerSymbol)pSymbol;
break;
}
case esriGeometryType.esriGeometryCircularArc:
{
pElement = new CircleElement();
pElement.Geometry = pGeometry;
pCircleElement = (ICircleElement)pElement;
break;
}
default:
pElement = null;
break;
}
if (pElement != null)
{
pElmentProperties = pElement as IElementProperties;
pElmentProperties.Name = key;
pGraphicsContainer.AddElement(pElement, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewBackground, null, pGeometry.Envelope);
return(pElement);
}
else
{
return(null);
}
}
catch (Exception ex)
{
return(null);
}
}
protected void convertToPdfButton_Click(object sender, EventArgs e)
{
// Create a HTML to PDF converter object with default settings
HtmlToPdfConverter htmlToPdfConverter = new HtmlToPdfConverter();
// Set license key received after purchase to use the converter in licensed mode
// Leave it not set to use the converter in demo mode
htmlToPdfConverter.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
// Set an adddional delay in seconds to wait for JavaScript or AJAX calls after page load completed
// Set this property to 0 if you don't need to wait for such asynchcronous operations to finish
htmlToPdfConverter.ConversionDelay = 2;
// Select the HTML elements for which to retrieve location and other information from HTML document
htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementSelectors = new string[] { htmlElementsSelectorTextBox.Text };
Document pdfDocument = null;
try
{
// Convert HTML page to a PDF document object which can be further modified to highlight the selected elements
pdfDocument = htmlToPdfConverter.ConvertUrlToPdfDocumentObject(urlTextBox.Text);
// Highlight the selected elements in PDF with colored rectangles
foreach (HtmlElementMapping htmlElementInfo in htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult)
{
// Get other information about HTML element
string htmlElementTagName = htmlElementInfo.HtmlElementTagName;
string htmlElementID = htmlElementInfo.HtmlElementId;
// Hightlight the HTML element in PDF
// A HTML element can span over many PDF pages and therefore the mapping of the HTML element in PDF document consists
// in a list of rectangles, one rectangle for each PDF page where this element was rendered
foreach (HtmlElementPdfRectangle htmlElementLocationInPdf in htmlElementInfo.PdfRectangles)
{
// Get the HTML element location in PDF page
PdfPage htmlElementPdfPage = htmlElementLocationInPdf.PdfPage;
RectangleF htmlElementRectangleInPdfPage = htmlElementLocationInPdf.Rectangle;
// Highlight the HTML element element with a colored rectangle in PDF
RectangleElement highlightRectangle = new RectangleElement(htmlElementRectangleInPdfPage.X, htmlElementRectangleInPdfPage.Y,
htmlElementRectangleInPdfPage.Width, htmlElementRectangleInPdfPage.Height);
if (htmlElementTagName.ToLower() == "h1")
{
highlightRectangle.ForeColor = Color.Blue;
}
else if (htmlElementTagName.ToLower() == "h2")
{
highlightRectangle.ForeColor = Color.Green;
}
else if (htmlElementTagName.ToLower() == "h3")
{
highlightRectangle.ForeColor = Color.Red;
}
else if (htmlElementTagName.ToLower() == "h4")
{
highlightRectangle.ForeColor = Color.Yellow;
}
else if (htmlElementTagName.ToLower() == "h5")
{
highlightRectangle.ForeColor = Color.Indigo;
}
else if (htmlElementTagName.ToLower() == "h6")
{
highlightRectangle.ForeColor = Color.Orange;
}
else
{
highlightRectangle.ForeColor = Color.Navy;
}
highlightRectangle.LineStyle.LineDashStyle = LineDashStyle.Solid;
htmlElementPdfPage.AddElement(highlightRectangle);
}
}
// Save the PDF document in a memory buffer
byte[] outPdfBuffer = pdfDocument.Save();
// Send the PDF as response to browser
// Set response content type
Response.AddHeader("Content-Type", "application/pdf");
// Instruct the browser to open the PDF file as an attachment or inline
Response.AddHeader("Content-Disposition", String.Format("attachment; filename=Select_in_API_HTML_Elements_to_Retrieve.pdf; size={0}", outPdfBuffer.Length.ToString()));
// Write the PDF document buffer to HTTP response
Response.BinaryWrite(outPdfBuffer);
// End the HTTP response and stop the current page processing
Response.End();
}
finally
{
// Close the PDF document
if (pdfDocument != null)
{
pdfDocument.Close();
}
}
}
public void CreateTable(IActiveView pAV, IPoint Leftdown, object tabcell)
{
IPoint y;
int i;
this.m_tabcellText = tabcell as SortedList <int, SortedList <int, string> >;
IGroupElement groupElementClass = new GroupElement() as IGroupElement;
(groupElementClass as IElementProperties).Name = "表格";
(groupElementClass as IElementProperties).Type = "表格";
IEnvelope envelope1 = new Envelope() as IEnvelope;
envelope1.XMin = Leftdown.X;
envelope1.YMin = Leftdown.Y;
envelope1.XMax = Leftdown.X + this.Width;
envelope1.YMax = Leftdown.Y + this.Height;
IEnvelope envelopeClass = envelope1 as IEnvelope;
IEnvelope envelope = envelopeClass;
IFillSymbol simpleFillSymbolClass = new SimpleFillSymbol();
(simpleFillSymbolClass as ISimpleFillSymbol).Style = esriSimpleFillStyle.esriSFSNull;
IRectangleElement rectangleElement = new RectangleElement() as IRectangleElement;
((IElement)rectangleElement).Geometry = envelope;
((IFillShapeElement)rectangleElement).Symbol = simpleFillSymbolClass;
IRectangleElement rectangleElementClass = rectangleElement as IRectangleElement;
groupElementClass.AddElement(rectangleElement as IElement);
IPoint pointClass = new Point()
{
X = Leftdown.X,
Y = Leftdown.Y + this.Height
};
IPoint point = pointClass;
double height = this.Height / (double)this.RowNumber;
double width = this.Width / (double)this.ColumnNumber;
if (this.HasUpperBoundLine)
{
groupElementClass.AddElement(this.CreateHLine(point));
}
if (this.HasLowerBoundLine)
{
groupElementClass.AddElement(this.CreateHLine(Leftdown));
}
if (this.HasInnerHorizontalLine)
{
IPoint pointClass1 = new Point()
{
X = point.X,
Y = point.Y - height
};
y = pointClass1;
groupElementClass.AddElement(this.CreateHLine(y));
if (!this.OnlyFirstHorizontalLine)
{
for (i = 0; i < this.RowNumber - 2; i++)
{
y.Y = y.Y - height;
groupElementClass.AddElement(this.CreateHLine(y));
}
}
}
if (this.HasLeftBoundLine)
{
groupElementClass.AddElement(this.CreateVLine(Leftdown));
}
if (this.HasRightBoundLine)
{
IPoint pointClass2 = new Point()
{
X = Leftdown.X + this.Width,
Y = Leftdown.Y
};
groupElementClass.AddElement(this.CreateVLine(pointClass2));
}
if (this.HasInnerVerticalLine)
{
IPoint pointClass3 = new Point()
{
X = Leftdown.X + width,
Y = Leftdown.Y
};
y = pointClass3;
groupElementClass.AddElement(this.CreateVLine(y));
if (!this.OnlyFirstVerticalLine)
{
for (i = 0; i < this.ColumnNumber - 2; i++)
{
y.X = y.X + width;
groupElementClass.AddElement(this.CreateVLine(y));
}
}
}
IPoint pointClass4 = new Point()
{
X = point.X,
Y = point.Y
};
IPoint y1 = pointClass4;
for (i = 0; i < this.RowNumber; i++)
{
IPoint pointClass5 = new Point()
{
X = y1.X,
Y = y1.Y
};
IPoint x = pointClass5;
for (int j = 0; j < this.ColumnNumber; j++)
{
string cellText = this.GetCellText(i, j);
if (cellText.Length > 0)
{
IElement element = this.CreateTabTextElement(pAV, cellText, x.X, x.Y - height / 2);
groupElementClass.AddElement(element);
this.SetTableCell(i, j, element);
}
x.X = x.X + width;
}
y1.Y = y1.Y - height;
}
this.m_pGroupElement = groupElementClass as IElement;
}
public RegionControl(RectangleElement element) : this()
{
DataContext = element;
}