I got so much valuable information from you guys. Thanks a lot, everybody! Leo
----- Original Message ----- From: "Chris Lilley" <[EMAIL PROTECTED]> To: "classloader" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Tuesday, March 05, 2002 10:55 AM Subject: Re: SVG->PNG, background tranparency problem. Help please > On Sunday, March 03, 2002, 8:45:07 PM, classloader wrote: > > > c> But after I create the webpage with that svg5.PNG file, I put it on top of my testing webpage, and browse it with IE 6. I found its background is not transparent at all. > c> [http://www.dynazone.com/SVG/movingNotTransparent.htm] > > c> I tried different approaches, but all failed: > c> 1) java -jar batik-resterizer.jar -bg 0.0.0.0 svg5.svg --- failed > c> 2) Change the PNGTranscoder.java, change variable "a" to 0. a is alpha channel value. --- failed again > c> ... ... > c> Now matter what I have tried, the background of the generated PNG file was either all black or all white, but never transparent.(I am new to Image processing, maybe something above I did is not in > c> correct way. Correct me please. ) > > To find out whether you have made a good PNG or not, IE is not the > appropriate tool. > > Check out pngcheck which will tell you exactly what chunks are in the > PNG file, and pngcrush which will let you improve the compression, add > and delete chunks. They are both command line tools, compile anywhere. > > http://www.libpng.org/pub/png/apps/pngcheck.html > http://pmt.sourceforge.net/pngcrush/ > > -- > Chris mailto:[EMAIL PROTECTED] > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
