Survex 1.2.3 released

[Olly Betts]

I've just uploaded Survex 1.2.3:

http://survex.com/download.html

This release improves Mac OS X support, adds support for full Unicode to text
drawn on the survey pane, adds support for building with wxWidgets 2.9.2, and
fixes a few bugs.

There's no Mac OS X build of this version yet.  If you want to build your own,
see the instructions at: http://survex.com/download.html?platform=macosx

Here are SHA1 checksums should you want to verify the integrity of the
files:

0e2cabca9b619f0ec6e7531156c01c5f4a5a9917  survex-1.2.3.tar.gz
acad6d062f26abdcb17874e3982e762cf6229fe7  survex-win32-1.2.3.exe

There are "release notes" on the wiki, which I'll try to keep updated with any
issues found, so take a look there for the latest information:

http://trac.survex.com/wiki/ReleaseNotes/1.2.3

Please report any issues you find which are not covered in the release notes
to the bug tracker (http://trac.survex.com/).

Changes in 1.2.3 (2011-12-31):

* Fix to build with wxWidgets 2.9.2.

* (Mac OS X version):

  + Processing .svx files from aven now works.

  + Remove spurious blank lines from the licence text in "Get Info".

  + Don't create the help menu at all, as it is empty (because the "About"
    entry goes elsewhere) and sometimes seems to appear in the UI.

  + INSTALL.OSX: Update to reflect current status.

* aven:

  + Fix Y coordinates of surface surveys on printouts.  (Closes #32)

  + Improvements to text plotted on the survey pane:

    - Support plotting Unicode character points > 256 by lazily loading the
      data for them from the font file and plotting them with a direct call to
      glBitmap(), which is slower but doesn't require a display list per
      character.

    - Adjust the spacing from fixed width to putting a one pixel gap either
      side of each one character (so two between adjacent glyphs).  Mostly this
      reduces the horizontal width, but it adds a pixel for characters like "m"
      and two in a few cases.

    - Fix .pixelfont file generation to correctly handle characters wider than
      8 pixels.

  + Fix expected cross shape so don't always reject using texture mapping to
    draw crosses.

  + As we read a survey file, eliminate tubes consisting of zero XSECTs as well
    as those consisting of just one.  Previously we would trip over the empty
    tube later.  Such tubes can for example be created by extend if a splay shot
    is the start or end of a tube.

  + Make the green colour used for entrances in the survey tree the same
    (slightly darker than before) green used for the entrance blobs.

  + Report the version of the library we're actually running with if built
    against wx >= 2.9.2.  Make it clear that the version reported is the
    version *built* with for wx < 2.9.2.

* extend:

  + Copy the end markers for passage tubes.

  + Preserve left and right data for tubes (previously they were set to -1.0
    which means "no info").

* img library: Fix incorrect comment in img.h which claimed that img_XFLAG_END
  was no longer used - it certainly is!

* Use curly double quotes instead of "`" and "'" to quote filenames, etc in
  messages, and curly single right quote instead of straight ASCII apostrophe.
  Fall back to using straight ASCII versions if we can't represent them in the
  current character set.

* Translation updates for Catalan, French, Slovak and Spanish.

* Test suite:

  + Add test coverage for interleaved diving data.

  + Add testcase for diving data with topofil-style distance.

Cheers,
    Olly
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