Hi Robert,
You should try adding style="image-rendering:optimizeSpeed" to the
image elements (you can put it in the templates probably). That should disable
the anti-aliasing when resizing the barcodes.
Thomas
On Sep 21, 2012, at 11:00 AM, Robert Jenks <rje...@animefest.org> wrote:
> I am currently using Batik as part of a workflow to print badges for a
> convention. I have a java desktop application which:
> polls a web server for badges to print
> retrieves the data (type, template name, person's name, id, etc...)
> loads an appropriate SVG template
> Uses ZXing to generate a code-128 barcode and an QR code
> Loads the appropriate picture for the badge
> converts the barcode and picture PNGs into data: urls
> find the appropriate elements in the svg dom and replaces the dummy images
> with the picture and barcode data: urls
> sets the batik transcoder output resolution
> rasterizes the svg to a png file
> sends the png to a photo printer
> The problem I am having is that resulting badge png has artifacts in the
> barcodes. They're either antialiasing or scaling artifacts. This makes the
> barcode a little hard to scan with readers and slowed down our registration
> system. Does anyone have any suggestions on how I can keep the barcode
> images as crisp black and white images inside the full color badge?
>
> Thanks,
> Robert
