HTML to PDF - rgba background colors doesn't work

Aspose.PDF Product Family
1

Hi Aspose Team,

i use Aspose.Pdf 9.8.0.0 and try to import a HTML document into a PDF document. All is fine except css rgba colors, i.e. used in “background-color: rgba( 255, 0, 0, 0.2 );”. The alpha transparency part in HSLA doesn’t work also, i.e.: “background-color: hsla(120,100%,50%,0.2);”

rgba( 255, 0, 0, 0 )

results in white background (full transparency).

rgba( 255, 0, 0, 0.1 )

results in full red background (no transparency).

As written in your support document:

http://www.aspose.com/docs/display/pdfnet/Supported+CSS+features
(CSS Color Units)

rgba should be supported.

Please see the following code for an example. The resulting file is attached.

Public Sub GeneratePdf()

Dim HtmlContent As String
HtmlContent = “” &
“” &
“<style type=”“text/css”“>” &
“div.Red {” &
" background-color: rgba(255, 0, 0, 0.1);" &
" border: 1px solid #d4d4d4;" &
" width: 200px;" &
" height: 100px;" &
“}” &
“” &
“” &
“” &
“<div class=”“Red”“>Hello World” &
“” &
“”

Dim Stream As New MemoryStream( Encoding.UTF8.GetBytes( HtmlContent ) )

Dim HtmlToPdfLoadOptions As New HtmlLoadOptions()
Dim HtmlToPdfDocument As New Aspose.Pdf.Document( Stream, HtmlToPdfLoadOptions )

HtmlToPdfDocument.Save( “X:\Folder\HtmlToPdfTest.pdf” )
HtmlToPdfDocument.Dispose()

Stream.Close()
Stream.Dispose()

End Sub

2

Hi Stefan,


Thanks
for using our API’s.<o:p></o:p>

I have tested the scenario and I am able to reproduce the same problem. For the sake of correction, I have logged it in our issue tracking system as PDFNEWNET-37814. We will investigate this issue in details and will keep you updated on the status of a correction.

We apologize for your inconvenience.

3

Is there any updates on this issue?

4

Hi Stefan,


Thanks for your patience.

The team has been busy fixing other priority issues reported earlier and the issue reported in this thread is not yet resolved. However I have intimated the team to start investigating this problem and as soon as we have some further updates, we will let you know.
5

The issues you have found earlier (filed as PDFNEWNET-37814) have been fixed in Aspose.Pdf for .NET 10.3.0.

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