Tilman, I'm still working on the issue where a patterned PDF object doesn't get written to SVG.
I see where PageDrawer.fillPath() is computing a raster containing the pattern and passing that to the SVGGraphics2D fill() method: Emacs! The issue is that the default SVGGraphics2D fill(Shape) method only fills with a solid color. I have overridden the SVGGraphics2D fill() class to be able to handle filling with a bitmap. However, the getNonStrokingPaint() call is returning a TilingPaint object, and that object is not visible from within the SVGGraphics2D class. Emacs! How can I get the contained BufferedImage object as that's what I need to use to write to SVG? Emacs! It would seem like I need to add another SVGGraphics.fill() method that takes the Shape, and the BufferedImage, but to use that I would also need to override or modify the PageDrawer.fillPath() method? Rich Stafford Chief Scientist eQuorum Corporation *** Tilman, I've traced the code, and see where it is stroking the pattern onto a TilingPaint object in response to the PDF 'B' operator. However, I don't see any code that adds the generated bitmap to the DOM. Consequently, it never gets written to the output SVG. I"m using the default ImageHandlerBase64Encoder which is supposed to store the base64 encoded images directly in the SVG output/ What am I missing? Rich Stafford Chief Scientist eQuorum Corporation At 12:26 PM 1/6/2023, Tilman Hausherr wrote: >Hi, > >This is in TilingPaint.java and PageDrawer.java . It's one of the tricky >parts in the code. No we can't draw them as vectors. > >Tilman > >On 06.01.2023 17:57, Rich Stafford wrote: >>Which PDFBox module handles the patterns? Is there anyway to have PDFBox >>draw the patterns as vectors? >> >>Rich >> >>At 11:40 AM 1/6/2023, Tilman Hausherr wrote: >>>Hi, >>> >>>I can confirm the effect with my own conversion code (which may or may not >>>be the same). I looked at the SVG and there's one thing missing: PDFBox >>>converts patterns to bitmaps and then uses TexturePaint. So there should be >>>some binary content in the SVG but there isn't. Could it be that there is >>>some option that should be set? >>> >>>Btw the PDF has some errors, like 0 255 0 scà (or rg), this should be 0 1 >>>0 sc (or rg). But this isn't the cause. >>> >>>Tilman >>> >>>On 06.01.2023 14:51, Rich Stafford wrote: >>>>Tilman: >>>> >>>>Thanks for your quick response.à I've upgraded to PDFBox 2.0.27, with the >>>>same results. >>>> >>>>The PDF file can be downloaded here: >>>> >>>>https://s3.amazonaws.com/webdl.equorum.com/misc/size2013.pdf >>>> >>>><https://s3.amazonaws.com/webdl.equorum.com/misc/size2013.pdf>Thanks for >>>>any assistance.à I'm going to start tracing thru Batik source code for >>>>the SVG error. >>>> >>>>Rich Stafford >>>>Chief Scientist >>>>eQuorum Corporation >>>>*** >>>>At 01:28 PM 1/5/2023, Tilman Hausherr wrote: >>>>>Hi, >>>>> >>>>>Please try with 2.0.27 and upload the PDF somewhere, it didn't get through. >>>>> >>>>>Tilman >>>>> >>>>>On 05.01.2023 16:28, Rich Stafford wrote: >>>>>>I am having an issue using PDFBox (pdfbox-app-2.0.21.jar) and >>>>>>SVGGraphics2d (batik-1ll-1.16.jar) to generate SVG output from a small >>>>>>PDF file. >>>>>> >>>>>>This file has about 9 vector lines, and a rectangle filled with >>>>>>horizontal lines.Ãà Using the PDFBox PDFRenderer to JPG, I get the >>>>>>appropriate fill for the rectangle: >>>>>> >>>>>>screen capture: >>>>>>Emacs! >>>>>> >>>>>>However, using the PDFBox PDFRenderer with SVGGraphics2d, I get a black >>>>>>filled rectangle. >>>>>> >>>>>>screen capture: >>>>>>Emacs! >>>>>> >>>>>>The generator code fragment is as follows: >>>>>> >>>>>>// setup instance of org.w3c.dom.Document >>>>>>DOMImplementation oDom= GenericDOMImplementation./getDOMImplementation/(); >>>>>>String sSvgOrg= " http://www.w3.org/2000/svg";; >>>>>>Document oSvgDoc= oDom.createDocument(sSvgOrg, "svg", *null*); >>>>>>SVGGeneratorContext oCtx= SVGGeneratorContext./createDefault/(oSvgDoc); >>>>>>oCtx.setEmbeddedFontsOn(*true* ); >>>>>> >>>>>>// setup renderer object >>>>>>PDFRenderer oRender= *new* PDFRenderer( oDoc); >>>>>> >>>>>>// loop for all pages in the PDF >>>>>>*for* ( *int* nPageNdx= 0; nPageNdx< oDoc.getNumberOfPages(); nPageNdx++ ) >>>>>>{ >>>>>>// setup output file >>>>>>*if* ( sOutputMode.equalsIgnoreCase("svg") ) >>>>>>{// svg >>>>>>String sSvgPageSpec= GenericUtil./PathMake/(sDestPath, "page-"+ >>>>>>nPageNdx+".svg"); >>>>>>( *new* File( sSvgPageSpec)).createNewFile(); >>>>>>// setup instance of SVG Generator >>>>>>SVGGraphics2D oSvgGen= *new* SVGGraphics2D( oCtx, *false*); >>>>>>// render the page to SVG >>>>>>oRender .renderPageToGraphics( nPageNdx, oSvgGen); >>>>>>// write to file >>>>>>OutputStream oOutStream= *new* FileOutputStream( *new* File(sSvgPageSpec) >>>>>>); >>>>>>Writer oOutWriter= *new* OutputStreamWriter( oOutStream, "UTF-8"); >>>>>>oSvgGen .stream( oOutWriter, *true*); >>>>>>*continue* ; >>>>>>} >>>>>>*if* ( sOutputMode.equalsIgnoreCase("jpg") ) >>>>>>{// jpg output >>>>>>String sJpgPageSpec= GenericUtil./PathMake/(sDestPath, "page-"+ >>>>>>nPageNdx+".jpg"); >>>>>>File oFileJpg= *new* File(sJpgPageSpec); >>>>>>BufferedImage image= oRender.renderImageWithDPI(nPageNdx, >>>>>>GenericUtil./parseInt/(sDpi, 300)); >>>>>>à à à à ImageIO./write/(image, "JPEG", oFileJpg); >Jpg); >>>>>>continue; >>>>>>} >>>>>>} >>>>>> >>>>>>I've attached the input PDF file as well. >>>>>> >>>>>>Thoughts? >>>>>> >>>>>>Rich Stafford >>>>>>Chief Scientist >>>>>>eQuorum Corporation >>>>>> >>>>>> >>>>>>--------------------------------------------------------------------- >>>>>>To unsubscribe, e-mail: >>>>>>users-unsubscr...@pdfbox.apache.org >>>>>>For additional commands, e-mail: >>>>>>users-h...@pdfbox.apache.org > > >--------------------------------------------------------------------- >To unsubscribe, e-mail: users-unsubscr...@pdfbox.apache.org >For additional commands, e-mail: users-h...@pdfbox.apache.org
