public static bool TryToThickness(dynamic value, out PrintElementThickness result)
{
if (value != null)
{
double all;
if (TryToSizeInPixels(value.All, value.SizeUnit, out all))
{
result = new PrintElementThickness(all);
}
else
{
double left, top, right, bottom;
TryToSizeInPixels(value.Left, value.SizeUnit, out left);
TryToSizeInPixels(value.Top, value.SizeUnit, out top);
TryToSizeInPixels(value.Right, value.SizeUnit, out right);
TryToSizeInPixels(value.Bottom, value.SizeUnit, out bottom);
result = new PrintElementThickness(left, top, right, bottom);
}
return(true);
}
result = default(PrintElementThickness);
return(false);
}
private static dynamic CreateSectionWithBorder(PrintElementThickness margin, PrintElementThickness padding,
PrintElementThickness border, string borderBrush, string background, params dynamic[] blocks)
{
dynamic sectionItem = CreateSection(blocks);
sectionItem.Section.Margin = new DynamicWrapper();
sectionItem.Section.Margin.Left = margin.Left;
sectionItem.Section.Margin.Top = margin.Top;
sectionItem.Section.Margin.Right = margin.Right;
sectionItem.Section.Margin.Bottom = margin.Bottom;
sectionItem.Section.Margin.SizeUnit = "Px";
sectionItem.Section.Padding = new DynamicWrapper();
sectionItem.Section.Padding.Left = padding.Left;
sectionItem.Section.Padding.Top = padding.Top;
sectionItem.Section.Padding.Right = padding.Right;
sectionItem.Section.Padding.Bottom = padding.Bottom;
sectionItem.Section.Padding.SizeUnit = "Px";
sectionItem.Section.Border = new DynamicWrapper();
sectionItem.Section.Border.Thickness = new DynamicWrapper();
sectionItem.Section.Border.Thickness.Left = border.Left;
sectionItem.Section.Border.Thickness.Top = border.Top;
sectionItem.Section.Border.Thickness.Right = border.Right;
sectionItem.Section.Border.Thickness.Bottom = border.Bottom;
sectionItem.Section.Border.Thickness.SizeUnit = "Px";
sectionItem.Section.Border.Color = borderBrush;
sectionItem.Section.Background = background;
return(sectionItem);
}
private static void ApplyPagePadding(PrintViewDocument element, dynamic pagePadding)
{
// По умолчанию отступ на странице 1см
const double pagePadding1Cm = 1.0 * SizeUnits.Cm;
PrintElementThickness pagePaddingThickness;
if (!BuildHelper.TryToThickness(pagePadding, out pagePaddingThickness))
{
pagePaddingThickness = new PrintElementThickness(pagePadding1Cm);
}
element.PagePadding = pagePaddingThickness;
}
private string BuildHtmlToPdfUtilArguments(PrintElementSize size, PrintElementThickness padding, string fileHtmlPath, string filePdfPath)
{
var mmPaddingBottom = (int)(padding.Bottom / SizeUnits.Mm);
var mmPaddingLeft = (int)(padding.Left / SizeUnits.Mm);
var mmPaddingRight = (int)(padding.Right / SizeUnits.Mm);
var mmPaddingTop = (int)(padding.Right / SizeUnits.Mm);
var htmlToPdfUtil = _htmlToPdfUtilArguments
.Replace(HtmlInput, fileHtmlPath)
.Replace(PdfOutput, filePdfPath)
.Replace(PaddingBottom, mmPaddingBottom.ToString())
.Replace(PaddingLeft, mmPaddingLeft.ToString())
.Replace(PaddingRight, mmPaddingRight.ToString())
.Replace(PaddingTop, mmPaddingTop.ToString())
;
if (size != null)
{
if (size.Height != null)
{
var mmPageHeight = (int)(size.Height / SizeUnits.Mm);
htmlToPdfUtil = htmlToPdfUtil.Replace(PageHeight, mmPageHeight.ToString());
}
if (size.Width != null)
{
var mmPageWidth = (int)(size.Width / SizeUnits.Mm);
htmlToPdfUtil = htmlToPdfUtil.Replace(PageWidth, mmPageWidth.ToString());
}
}
else
{
const int defaultPageHeight = 297;
const int defaultPageWidth = 210;
htmlToPdfUtil = htmlToPdfUtil.Replace(PageHeight, defaultPageHeight.ToString());
htmlToPdfUtil = htmlToPdfUtil.Replace(PageWidth, defaultPageWidth.ToString());
}
return(htmlToPdfUtil);
}
public void Convert(PrintElementSize size, PrintElementThickness padding, Stream inHtmlStream, Stream outPdfStream)
{
var fileName = Guid.NewGuid().ToString("N");
var fileHtmlPath = Path.Combine(_htmlToPdfTemp, fileName + ".html");
var filePdfPath = Path.Combine(_htmlToPdfTemp, fileName + ".pdf");
try
{
using (var htmlFileStream = File.Create(fileHtmlPath))
{
inHtmlStream.CopyTo(htmlFileStream);
htmlFileStream.Flush();
}
var htmlToPdfUtilArguments = BuildHtmlToPdfUtilArguments(size, padding, fileHtmlPath, filePdfPath);
var htmlToPdfConvertResult = ExecuteShellCommand(_htmlToPdfUtilCommand, htmlToPdfUtilArguments, UtilTimeout);
if (htmlToPdfConvertResult.Completed && htmlToPdfConvertResult.ExitCode == 0)
{
using (var fileStream = File.OpenRead(filePdfPath))
{
fileStream.CopyTo(outPdfStream);
outPdfStream.Flush();
}
}
else
{
if (htmlToPdfConvertResult.Completed)
{
throw new InvalidOperationException(string.Format(Resources.CannotConvertHtmlToPdf, htmlToPdfConvertResult.Output, htmlToPdfConvertResult.ExitCode));
}
throw new InvalidOperationException(Resources.CannotConvertHtmlToPdfByTimeout);
}
}
finally
{
DeleteFile(fileHtmlPath);
DeleteFile(filePdfPath);
}
}
