public void ReportExport()
{
DeleteTempFiles();
exp.ImageFormat = ImageExportFormat.Png; //Устанавливаем для изображения формат png
exp.Export(Report, Directory.GetCurrentDirectory() + "/" + System.Guid.NewGuid() + ".png"); //Выполняем экспорт отчета в файл
foreach (string fileName in exp.GeneratedFiles)
{
using (var img = File.OpenRead(fileName))
{
pages.Add(Image.FromStream(img));
}
}
CurrentPage = 0;
}
private static PrintDocument PrepareDoc(this Report report, PrinterSettings settings = null)
{
if (report.PreparedPages.Count < 1)
{
report.Prepare();
if (report.PreparedPages.Count < 1)
{
return(null);
}
}
var page = 0;
var exp = new ImageExport {
ImageFormat = ImageExportFormat.Png, Resolution = 600
};
var doc = new PrintDocument {
DocumentName = report.Name
};
if (settings != null)
{
doc.PrinterSettings = settings;
}
// Ajustando o tamanho da pagina
doc.QueryPageSettings += (sender, args) =>
{
var rPage = report.PreparedPages.GetPage(page);
args.PageSettings.Landscape = rPage.Landscape;
args.PageSettings.Margins = new Margins((int)(scaleFactor * rPage.LeftMargin * Units.HundrethsOfInch),
(int)(scaleFactor * rPage.RightMargin * Units.HundrethsOfInch),
(int)(scaleFactor * rPage.TopMargin * Units.HundrethsOfInch),
(int)(scaleFactor * rPage.BottomMargin * Units.HundrethsOfInch));
args.PageSettings.PaperSize = new PaperSize("Custom", (int)(ExportUtils.GetPageWidth(rPage) * scaleFactor * Units.HundrethsOfInch),
(int)(ExportUtils.GetPageHeight(rPage) * scaleFactor * Units.HundrethsOfInch));
};
doc.PrintPage += (sender, args) =>
{
using (var ms = new MemoryStream())
{
exp.PageRange = PageRange.PageNumbers;
exp.PageNumbers = $"{page + 1}";
exp.Export(report, ms);
args.Graphics.DrawImage(Image.FromStream(ms), args.PageBounds);
}
page++;
args.HasMorePages = page < report.PreparedPages.Count;
};
doc.EndPrint += (sender, args) => page = 0;
doc.Disposed += (sender, args) => exp?.Dispose();
return(doc);
}
public void Export(string fileName)
{
if (!IsPrepared)
{
return;
}
_export.ImageFormat = ImageExportFormat.Png;
_export.Resolution = 300;
_export.SeparateFiles = true;
_export.Export(_report, fileName);
}