public static void MakeScreenshot(this AxMap map, Form parentForm)
{
var ext = map.Extents as MapWinGIS.Extents;
var img = map.SnapShot3(ext.xMin, ext.xMax, ext.yMax, ext.yMin, map.Width);
if (img != null)
{
using (var dlg = new SaveFileDialog())
{
dlg.Filter = "*.jpg|*.jpg";
if (dlg.ShowDialog(parentForm) == DialogResult.OK)
{
if (!img.Save(dlg.FileName, false, ImageType.JPEG_FILE))
{
MessageHelper.Warn("Failed to save image: " + img.get_ErrorMsg(img.LastErrorCode));
}
else
{
MessageHelper.Warn("Image is saved: " + dlg.FileName);
}
}
}
}
}
private void PrintAsPDFAfterTilesAreLoaded()
{
AxMap.TilesLoaded -= AxMap_TilesLoaded;
string localdata = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData) + "\\ResTBDesktop";
string localappdata = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\ResTBDesktop";
PdfDocument mapTemplate = PdfReader.Open(localappdata + "\\PrintTemplates\\A4_landscape.pdf", PdfDocumentOpenMode.Modify);
PdfDocument outputDocument = new PdfDocument();
outputDocument.PageLayout = mapTemplate.PageLayout;
PdfPage page = outputDocument.AddPage();
page.Orientation = mapTemplate.Pages[0].Orientation;
page.Width = mapTemplate.Pages[0].Width;
page.Height = mapTemplate.Pages[0].Height;
int dx = (int)page.Width.Point, dy = (int)page.Height.Point;
// calculate aspect
var diffX = AxMap.Extents.xMax - AxMap.Extents.xMin;
double aspect = ((double)dy / dx);
int diffY = (int)(aspect * diffX);
// start tile loading for cache
Extents MapExtents = new Extents();
MapExtents.SetBounds(AxMap.Extents.xMin, AxMap.Extents.yMin, AxMap.Extents.zMin, AxMap.Extents.xMax, AxMap.Extents.yMin + diffY, AxMap.Extents.zMax);
// scale
double meter = AxMap.GeodesicDistance(AxMap.Extents.xMin, AxMap.Extents.yMin, AxMap.Extents.xMax, AxMap.Extents.yMin);
double pageWidthInMeter = ((page.Width / 72) * 2.54) / 100;
int scale = (int)(meter / pageWidthInMeter);
int scaleRounded = scale % 100 >= 50 ? scale + 100 - scale % 100 : scale - scale % 100;
if ((scale - scaleRounded < 10) && (scale - scaleRounded > -10))
{
scale = scaleRounded;
}
// Load the template stuff and change the acroforms...
PdfAcroForm acroform = mapTemplate.AcroForm;
if (acroform.Elements.ContainsKey("/NeedAppearances"))
{
acroform.Elements["/NeedAppearances"] = new PdfSharp.Pdf.PdfBoolean(true);
}
else
{
acroform.Elements.Add("/NeedAppearances", new PdfSharp.Pdf.PdfBoolean(true));
}
var name = (PdfTextField)(acroform.Fields["ProjectTitle"]);
changeFont(name, 12);
name.Value = new PdfString(project.Name);
var numberlabel = (PdfTextField)(acroform.Fields["ProjectNumberLabel"]);
changeFont(numberlabel, 7);
numberlabel.Value = new PdfString(Resources.Project_Number);
var number = (PdfTextField)(acroform.Fields["ProjectNumber"]);
changeFont(number, 7);
number.Value = new PdfString(project.Number);
var descriptionlabel = (PdfTextField)(acroform.Fields["DescriptionLabel"]);
changeFont(descriptionlabel, 7);
descriptionlabel.Value = new PdfString(Resources.Description);
var description = (PdfTextField)(acroform.Fields["Description"]);
changeFont(description, 7);
description.Value = new PdfString(project.Description);
var scalefield = (PdfTextField)(acroform.Fields["Scale"]);
changeFont(scalefield, 10);
scalefield.Value = new PdfString("1 : " + (int)scale);
var legend = (PdfTextField)(acroform.Fields["LegendLabel"]);
legend.Value = new PdfString(Resources.Legend);
var copyright = (PdfTextField)(acroform.Fields["CopyrightLabel"]);
copyright.Value = new PdfString("Impreso con " + Resources.App_Name);
mapTemplate.Flatten();
mapTemplate.Save(localdata + "\\printtemp.pdf");
mapTemplate.Close();
XGraphics gfx = XGraphics.FromPdfPage(page);
var imageFromMap = AxMap.SnapShot3(AxMap.Extents.xMin, AxMap.Extents.xMax, AxMap.Extents.yMin + diffY, AxMap.Extents.yMin, (int)(dx * (96.0 / 72.0) * 2));
imageFromMap.Save(localdata + "\\printTemp.tif", false, ImageType.TIFF_FILE);
XImage image = XImage.FromFile(localdata + "\\printTemp.tif");
// Left position in point
double x = (dx - image.PixelWidth * 72 / image.HorizontalResolution) / 2;
gfx.DrawImage(image, 0, 0, dx, dy);
/*
* XImage mapLayout = XImage.FromFile(localdata + "\\PrintTemplates\\A4_quer.png");
*
*
* double width = mapLayout.PixelWidth * 72 / mapLayout.HorizontalResolution;
* double height = mapLayout.PixelHeight * 72 / mapLayout.HorizontalResolution;
*
* gfx.DrawImage(mapLayout, (dx - width) / 2, (dy - height) / 2, width, height);
*/
//outputDocument.AddPage(mapTemplateFilledOut.Pages[0]);
XPdfForm form = XPdfForm.FromFile(localdata + "\\printtemp.pdf");
gfx.DrawImage(form, 0, 0);
outputDocument.Save(filename);
image.Dispose();
Process.Start(filename);
}
/// <summary>
/// Actual functionality to save a map image to a file
/// </summary>
/// <param name="handleMask"> shapefile mask layer</param>
/// <returns></returns>
private bool SaveMapHelper(int?handleMask)
{
//we now compute the width (w) that corresponds to a map whose width fits the required dpi
var ext = _axMap.Extents;
var w = ((double)_axMap.Width) * ((double)_dpi / 96);
bool proceed = true;
Image img = new Image();
try
{
//create an image whose width (w) will result in a map whose width in pixels fits the the required dpi
img = _axMap.SnapShot3(ext.xMin, ext.xMax, ext.yMax, ext.yMin, (int)w);
}
catch (System.Runtime.InteropServices.COMException comex)
{
Logger.Log(comex.Message, "SaveMapImage.cs", "SaveMapHelper");
proceed = false;
}
catch (Exception ex)
{
Logger.Log(ex.Message, "SaveMapImage.cs", "SaveMapHelper");
proceed = false;
}
if (proceed)
{
//restore the map to its previous state by removing the mask and setting Reset to true
if (handleMask != null)
{
MapLayersHandler.RemoveLayer((int)handleMask);
}
Reset = true;
AdjustFeatureSize();
if (_saveToTempFile)
{
_fileName = $@"{global.AppPath}\tempMap.jpg";
global.ListTemporaryFile(_fileName);
if (img.Save(_fileName))
{
img.Close();
return(true);
}
else
{
_fileName = $@"{global.AppPath}\tempMap1.jpg";
if (img.Save(_fileName))
{
img.Close();
return(true);
}
else
{
return(false);
}
}
}
else
{
//specify filename of projection file for the image
var prjFileName = _fileName.Replace(Path.GetExtension(_fileName), ".prj");
//save the image to disk and create a worldfile. Image format is specified by USE_FILE_EXTENSION.
//also save the projection file
if (img.Save(_fileName, WriteWorldFile: true, FileType: ImageType.USE_FILE_EXTENSION) && _axMap.GeoProjection.WriteToFile(prjFileName))
{
//show the image file using the default image viewer
if (PreviewImage)
{
Process.Start(_fileName);
}
img.Close();
return(true);
}
else
{
return(false);
}
}
}
else
{
return(false);
}
}
