In theory one could make separate rendering hints for fonts and for
ordinary vectors, but that would be messy and hard to understand. (And
who knows whether it will work for your file)
I recommend that you try doing this yourself by downloading the source
code and changing PageDrawer and put some hard-coded modifications.
Search for "graphics.".
Tilman
Am 09.09.2021 um 17:44 schrieb John Lussmyer:
On Wed Sep 08 20:31:47 PDT 2021 [email protected] said:
Ooops, you didn't mention that you turned antialiasing off. The image
looks as if interpolation was also turned off. If you set rendering
hints you always have to set all the hints you need. Here's the default:
private RenderingHints createDefaultRenderingHints(Graphics2D graphics)
{
RenderingHints r = new RenderingHints(null);
r.put(RenderingHints.KEY_INTERPOLATION, isBitonal(graphics) ?
RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR :
RenderingHints.VALUE_INTERPOLATION_BICUBIC);
r.put(RenderingHints.KEY_RENDERING,
RenderingHints.VALUE_RENDER_QUALITY);
r.put(RenderingHints.KEY_ANTIALIASING, isBitonal(graphics) ?
RenderingHints.VALUE_ANTIALIAS_OFF :
RenderingHints.VALUE_ANTIALIAS_ON);
return r;
}
So, setting one Rendering Hint discards all default values? What does it use
for those others then?
Just tried with this set:
hintlist.put(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_OFF);
hintlist.put(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
hintlist.put(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BICUBIC);
hintlist.put(RenderingHints.KEY_RENDERING,
RenderingHints.VALUE_RENDER_QUALITY);
hintlist.put(RenderingHints.KEY_FRACTIONALMETRICS,
RenderingHints.VALUE_FRACTIONALMETRICS_ON);
I also tried a variation with VALUE_INTERPOLATION_NEAREST_NEIGHBOR.
No change. Still looks like random pixels scattered on the page.
--
Tigers prowl and Dragons soar in my dreams...
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