[Poppler-bugs] [Bug 43676] New: Size 0 dots are large and visible

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=43676

             Bug #: 43676
           Summary: Size 0 dots are large and visible
    Classification: Unclassified
           Product: poppler
           Version: unspecified
          Platform: Other
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
        AssignedTo: poppler-bugs at lists.freedesktop.org
        ReportedBy: stimberg at users.sourceforge.net


This has been reported in the Ubuntu bug tracker by wch:
https://bugs.launchpad.net/ubuntu/+source/evince/+bug/902033

It is reproducible on Ubuntu 11.10 with evince 3.2.1-0ubuntu2 and epdfview
0.1.8-1 (poppler 0.16.7-2ubuntu2)

Ubuntu bug report:
I'm creating some PDF files with dots of 0 size. In evince, they're visible:
they're pretty large and off-center. In other viewers, such as Mac Preview and
Adobe Reader on Mac, the dots are not visible.

This code will generate a test file in R. There is a line of 10 dots going from
lower left to upper right that should be visible. There's another line of 0mm
dots going from upper left to lower right, and they should not be visible.

library(grid)
pdf("dotsizetest.pdf", width=4, height=4)
x <- y <- 1:10
pushViewport(plotViewport(c(5.1, 4.1, 4.1, 2.1)))
pushViewport(dataViewport(x, y))
grid.rect()
grid.points(x, y)
grid.points(x, 10-y, gp=gpar(fill="black"), size=unit(0,"mm"))
popViewport(2)
dev.off()

EXPECTED RESULT:
One diagonal line of dots

ACTUAL RESULT:
Two crossing diagonal lines of dots.

The PDF can be found here:
https://bugs.launchpad.net/ubuntu/+source/evince/+bug/902033/+attachment/2625606/+files/dotsizetest.pdf

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