As far as I see HTMLWorker does not support inline css style
attributes(Bruno, correct me if I am wrong here?). Instead, I recommend that
you do pre-processing of your HTML content before feeding into HTMLWorker.
During preprocessing simply convert inline styling to iText supported HTML
tags like width="50px" etc.
Unfortunately, HTMLWorker at this point does not support the full extent of
CSS capabilities. Therefore, if you are planning on making use of HTMLWorker
having a preprocessor might always be useful so I recommend adding that
anyways.
One takeaway from this could be that if HTMLWorker does not support inline
style attributes it should be pretty straightforward to convert them to html
attributes, maybe we should add that little feature. Any thoughts on this?
Second issue might have to do with the fonts. I am not that familiar with
the fonts but you should be able to debug and figure it out yourself.
Thanks
Nurettin
On Sun, Jan 16, 2011 at 2:38 AM, pedram farzaneh <[email protected]>wrote:
> Thanks for your help dear Paulo,
> that was so helpful and now we can see the table.
>
> but still there exist some problems in rendering HTML to PDF.
> (of course I found these bugs in Arabic)
>
> 1. <img src="..." width="50" height="100"> this will work correct.
> but <img src="..." style=" width:50px; height:100px;"> won't work.
>
> 2. the contents of <ul> or <ol> are visible. but the bullets are missed.
> the indentation is also missed. when i set style like
>
> st.loadTagStyle("ul", "indent", "10");
> st.loadTagStyle("li", "leading", "14");
>
> the result doesn't change.
>
> 3. the table which came from HTML (in Arabic) is in RTL direction, but the
> resulting PdfPTable in PDF is in LTR and I found no way to change the
> direction.
> also in <td style=" ... ">, the styles will be missed after rendering.
>
> I found no solution for these problems,
> any help is appreciable.
>
> Thanks,
> Pedram.
>
>
>
> On Tue, Jan 11, 2011 at 2:39 PM, Paulo Soares <[email protected]> wrote:
>
>> See http://article.gmane.org/gmane.comp.java.lib.itext.general/19921.
>>
>> Paulo
>>
>> ------------------------------
>> *From:* pedram farzaneh [mailto:[email protected]]
>> *Sent:* Tuesday, January 11, 2011 10:58 AM
>> *To:* Post all your questions about iText here
>> *Subject:* Re: [iText-questions] HELP NEEDED - render HTML snippet which
>> contains Arabic text
>>
>> thanks for your help dear,
>>
>> but the font is true, because it works with a pure ColumnText and arabic
>> characters are being shown.
>> and I added the returned elements in a PdfPTable.
>> but the problems remains.
>> in fact my problem is with HTML parsing.
>> when I have HTML <table> tag and it contains Arabic characters, after
>> parsing, the table exists in pdf file but the characters doesn't.
>>
>> I think there is lack of support for this case.(html code snippet with
>> Arabic content).
>> I will put my code here,
>>
>>
>> List<Element> objects =
>> HTMLWorker.parseToList(new StringReader(""
>> + "<p dir=\"ltr\" style=\"text-align: right;\">"
>> + " </p>"
>> + "<table border=\"1\" cellpadding=\"1\"
>> cellspacing=\"1\" style=\"width: 500px;\">"
>> + " <tbody> <tr> <td>"
>> + " سلام</td>"
>> + " <td dir=\"ltr\">"
>> + " asdadsasdasdasd</td>"
>> + " </tr> <tr>"
>> + " <td dir=\"ltr\">"
>> + " <strong>asdasdasd</strong></td>"
>> + " <td dir=\"ltr\">"
>> + " <span style=\"color: rgb(255, 0, 0);\">"
>> + "<span style=\"background-color: rgb(255, 255,
>> 0);\">dasdasdasdasd</span></span></td>"
>> + " </tr> <tr>"
>> + " <td> </td>"
>> + " <td> </td>"
>> + " </tr> </tbody>"
>> + "</table>"
>> + ""),
>> null, providers);
>>
>> PdfPTable tblHtmlPage = new PdfPTable(1);
>> tblHtmlPage.setTotalWidth((float) (pageSize.getWidth() *
>> 0.8));
>> tblHtmlPage.setLockedWidth(true);
>> tblHtmlPage.setRunDirection(PdfWriter.RUN_DIRECTION_RTL);
>> tblHtmlPage.setHorizontalAlignment(Element.ALIGN_LEFT);
>>
>> for (Element element : objects) {
>>
>> PdfPTable tbl = (PdfPTable) element;
>> tbl.setRunDirection(PdfWriter.RUN_DIRECTION_RTL);
>> tbl.setHorizontalAlignment(Element.ALIGN_LEFT);
>>
>> tblHtmlPage.addCell(tbl);
>> }
>>
>> tblHtmlPage.writeSelectedRows(0, -1,
>> (float) (pageSize.getWidth() - (pageSize.getWidth() *
>> 0.1) - tblHtmlPage.getTotalWidth()),
>> (float) (pageSize.getTop() - ((pageSize.getHeight() *
>> 0.20))),
>> contentByte);
>>
>>
>> Thanks for your attention and help.
>>
>>
>>
>> On Mon, Jan 10, 2011 at 3:30 PM, 1T3XT BVBA <[email protected]> wrote:
>>
>>> Op 10/01/2011 12:17, pedram farzaneh schreef:
>>> > I have a HTML code snippet which contains <table> in which the
>>> columns
>>> > contain Arabic text.
>>> > after rendering the html snippet by "HTMLWorker" class the resulting
>>> > element
>>> > is instance of a PdfPTable which is shown in the pdf file but the text
>>> > is missed.
>>> >
>>> > I will appreciate any help.
>>> You're experiencing two problems:
>>> 1. You're using the wrong font, create a FontProvider as documented in
>>> chapter 9.
>>> 2. HTMLWorker currently doesn't support the R2L writing system and
>>> Arabic Ligaturization. You'll have to work around this, for instance by
>>> adding the objects returned by HTMLWorker to a PdfPTable or a ColumnText
>>> object for which the R2L parameter is set.
>>>
>>>
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>
>
>
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--
Nurettin DAG
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