/// <summary>
/// Creates a new
/// <see cref="ImgTagWorker"/>
/// instance.
/// </summary>
/// <param name="element">the element</param>
/// <param name="context">the context</param>
public ObjectTagWorker(IElementNode element, ProcessorContext context)
{
this.processUtil = new SvgProcessingUtil();
//Retrieve object type
String type = element.GetAttribute(AttributeConstants.TYPE);
if (IsSvgImage(type))
{
String dataValue = element.GetAttribute(AttributeConstants.DATA);
try {
using (Stream svgStream = context.GetResourceResolver().RetrieveResourceAsInputStream(dataValue)) {
if (svgStream != null)
{
SvgConverterProperties props = ContextMappingHelper.MapToSvgConverterProperties(context);
if (!context.GetResourceResolver().IsDataSrc(dataValue))
{
Uri fullURL = context.GetResourceResolver().ResolveAgainstBaseUri(dataValue);
String dir = FileUtil.ParentDirectory(fullURL);
props.SetBaseUri(dir);
}
res = SvgConverter.ParseAndProcess(svgStream, props);
}
}
}
catch (SvgProcessingException spe) {
LOGGER.Error(spe.Message);
}
catch (Exception ie) {
LOGGER.Error(MessageFormatUtil.Format(iText.Html2pdf.LogMessageConstant.UNABLE_TO_RETRIEVE_STREAM_WITH_GIVEN_BASE_URI
, context.GetBaseUri(), element.GetAttribute(AttributeConstants.DATA), ie));
}
}
}
public virtual void AttemptToProcessBySvgProcessingUtilSvgWithSvgTest()
{
// TODO review this test in the scope of DEVSIX-4107
String fileName = "svgWithSvg.svg";
ProcessorContext context = new ProcessorContext(new ConverterProperties());
HtmlResourceResolver resourceResolver = new HtmlResourceResolver(sourceFolder, context);
ISvgConverterProperties svgConverterProperties = ContextMappingHelper.MapToSvgConverterProperties(context);
ISvgProcessorResult res = SvgConverter.ParseAndProcess(resourceResolver.RetrieveResourceAsInputStream(fileName
), svgConverterProperties);
ISvgNodeRenderer imageRenderer = ((SvgTagSvgNodeRenderer)res.GetRootRenderer()).GetChildren()[1];
// Remove the previous result of the resource resolving in order to demonstrate that the resource will not be
// resolved due to not setting of baseUri in the SvgProcessingUtil#createXObjectFromProcessingResult method.
// But even if set baseUri in the SvgProcessingUtil#createXObjectFromProcessingResult method, the SVG will not
// be processed, because in the createXObjectFromProcessingResult method we create ResourceResolver, not HtmlResourceResolver.
imageRenderer.SetAttribute(SvgConstants.Attributes.XLINK_HREF, "res\\itextpdf.com\\lines.svg");
SvgProcessingUtil processingUtil = new SvgProcessingUtil(resourceResolver);
PdfDocument pdfDocument = new PdfDocument(new PdfWriter(new ByteArrayOutputStream()));
PdfFormXObject pdfFormXObject = processingUtil.CreateXObjectFromProcessingResult(res, pdfDocument);
PdfDictionary resources = (PdfDictionary)pdfFormXObject.GetResources().GetPdfObject().Get(PdfName.XObject);
PdfDictionary fm1Dict = (PdfDictionary)resources.Get(new PdfName("Fm1"));
NUnit.Framework.Assert.IsFalse(((PdfDictionary)fm1Dict.Get(PdfName.Resources)).ContainsKey(PdfName.XObject
));
}
/// <summary>
/// Creates a new
/// <see cref="SvgTagWorker"/>
/// instance.
/// </summary>
/// <param name="element">the element</param>
/// <param name="context">the context</param>
public SvgTagWorker(IElementNode element, ProcessorContext context)
{
svgImage = null;
try {
SvgConverterProperties props = ContextMappingHelper.MapToSvgConverterProperties(context);
processingResult = new DefaultSvgProcessor().Process((INode)element, props);
context.StartProcessingInlineSvg();
}
catch (SvgProcessingException pe) {
LogManager.GetLogger(typeof(iText.Html2pdf.Attach.Impl.Tags.SvgTagWorker)).Error(iText.Html2pdf.LogMessageConstant
.UNABLE_TO_PROCESS_IMAGE_AS_SVG, pe);
}
}
/// <exception cref="System.IO.IOException"/>
private PdfFormXObject ProcessAsSvg(Stream stream, ProcessorContext context, String parentDir)
{
SvgProcessingUtil processingUtil = new SvgProcessingUtil();
SvgConverterProperties svgConverterProperties = ContextMappingHelper.MapToSvgConverterProperties(context);
if (parentDir != null)
{
svgConverterProperties.SetBaseUri(parentDir);
}
ISvgProcessorResult res = SvgConverter.ParseAndProcess(stream, svgConverterProperties);
if (context.GetPdfDocument() != null)
{
return(processingUtil.CreateXObjectFromProcessingResult(res, context.GetPdfDocument()));
}
else
{
return(null);
}
}
