On Sun, Mar 14, 2010 at 9:54 AM, Hezekiah M. Carty <hezekiahca...@users.sourceforge.net> wrote: > On Sat, Mar 13, 2010 at 5:12 PM, Alan W. Irwin > <ir...@beluga.phys.uvic.ca> wrote: >> On 2010-03-13 13:16-0800 Alan W. Irwin wrote: >> >>> On 2010-03-13 14:45-0500 Hazen Babcock wrote: >>> >>>> Alan W. Irwin wrote: >>>>> >>>>> Hazen, will you have a look at this issue, please? This transparent >>>>> background issue does not appear for, e.g., -dev pscairo so it appears >>>>> this >>>>> issue may be specific within the cairo devices to just -dev xcairo >>>>> although >>>>> I haven't checked the other cairo device possibilities beside pscairo. >>>> >>>> Looks like it was an issue with the driver not using the "good PLplot >>>> core >>>> fallback clear capability". >>> >>> Hmm. after updating to get your fix and "make cairo" I still get the same >>> (bad) result (with page 1 still visible underneath) for >>> >>> examples/c/x02c -dev xcairo -bg 0000FF_0.1 >>> >>> examples/c/x02c -dev qtwidget -bg 0000FF_01 >>> >>> was fine. >>> > > I get similar results on a fresh trunk source tree. What should the > default background color be? The qtwidget device seems to assume > white as the default background, regardless of the base color palette: >
Revision 10866 should fix this. If the background color has an alpha value < 1.0 then a white surface is drawn before the transparent background color. This produces good looking results for all of the Cairo devices on my system (Ubuntu 9.10, Cairo 1.8.8). Hez ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Plplot-devel mailing list Plplot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/plplot-devel
