Le 08/10/2018 à 15:56, Maciej Sumiński a écrit : > Hi Jean-Pierre, > > On 10/8/18 3:08 PM, jp charras wrote: > [snip] >> Hi Orson, >> Very good job. >> >> I tested the Cairo printing both on Windows and Linux. >> >> No problem on Linux. >> On Windows, I have strange artifacts (see attached picture) in print >> preview. >> (more strange, if a zone outline includes the full board items, there >> are no, or very few, artifacts) > > I will check it, but I am afraid it might be beyond my control. Do you > see it in actual printouts/PDFs as well? > >> It happens only when the opacity of any printed item is not set to 1.0 >> >> Moreover, when the opacity of any printed item is not set to 1.0, the >> resulting printed picture is a bitmap (tested both using Cutepdf and a >> printer using a postscript driver), not really usable. >> (When all objects use a 1.0 opacity, the drawings are vectored, as expected) >> >> Due to the fact transparency is not working very well on Cairo, and >> useless when printing a board with one sheet by layer, I suggest to >> force the opacity to 1.0 in any case. > > That is surprising, I will need a closer look then. I would like to > preserve transparency, but I agree that getting bitmaps instead of > vector graphics is not acceptable. > > Regards, > Orson >
Hi Orson, The transparency issue (specific to Cairo render) is a minor issue (see attached picture, especially the oval pad) on screen, but could be more annoying on printed documents. I forgot an other issue: bitmaps (added with the page layout editor) are incorrectly scaled (something like 10 times smaller) in the print preview. -- Jean-Pierre CHARRAS
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