dia_improved

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Fix some leaks related to parent_list_affected() usage

Bug 606377 - missing pdf export option in man dia‏

Also updated some other options in the English version of the
manual, e.g. three SVG, VDX, --list-filters ...

Updated Czech translation

Bug 735303 - Don't create empty groups from VDX

Fixed in the VDX plug-in itself but also on the lib API level
with g_return_val_if_fail (objects != NULL, NULL);

(cherry picked from commit ec4dbbcbc21e1233e46ba9ae059a18bed459ca24)

Make old "Standard - Bus" an alias in sheet, rather than code

custom: restore default to only grow the box with text

Text-fitting was set to ALWAYS but that does not change the behavior
to the better when there is no text.

custom: fix typos and whitespace usage

Implement ShapeRenderer::draw_rounded_rect()

The custom shape module can handle rect with radius for some time. Still
the shape exporter was creating stepwise arc/line shapes with a lot of
superfluous connection points. Now it's just doing the same number of
connection points as the original object (if it was Standard - Box)

Bug 606377 - Remove static filter list from --filter help string ...

Rather than adding another static string to the dynamic list of export
formats supported add another option. With --list-filters (mentioned
with --help) the list of available filters is created dynamically
fitting the current compilation and configuration.

Bug 735303 - Don't create empty groups from VDX

Fixed in the VDX plug-in itself but also on the lib API level
with g_return_val_if_fail (objects != NULL, NULL);

[substitute] Standard - ZigZagLine: keep points in range

DiaPsRenderer::draw_beziergon (): fix to stroke instead of filling

Updated Czech translation

path: add binary path operations to <Selection> context menu

If there is more than one object selected the context menu offers extra
entries: Union, Difference, Intersection and Exclusion. These are implemented
based on DiaPathRenderer and new path_combine() function. The latter still has
some issues, but it's good enough to check with another compiler/build system.

path: Fix DiaPathRenderer::draw_polygon() to create continuous path

also fix some typos/dix while add it

[substitute] remove Standard object specific "Convert to Path" again

At least for "Standard - Box" and "Standard - Bezier*" there is no user
visible gain anymore with the object specific implementations. All their
functionality is integrated with DiaPathRenderer and global menuc entry
"<Selection>/Convert to Path" now.

Bug 733344 - Zigzagline has wrong arrow head if placed without the "zag" part

arrows.c: don't move arrow if it would change direction
autoroute.c: distribute points even for straight lines to have room for
arrow movement (non zero line length)

Avoid line number overflow in text_distance_from()

dia_log_message(): improve time stamp readability

More tool-tips for actions

[gtk-deprecated] Stop using GtkRuler regardless of GTK+ version

DiaRuler is now always used, not only when GtkRuler is deprecated.
Minor glitch with some numbers fixed, redrawing slightly optimized.

Bug 732077 - Flowchart object are not resizable (by default)

Change default back to the old default, only fit the text when needed.

PyDia: add read-only Sheet object and update docs

- PyDiaObjects.dia: add and connect Sheet and MenuItem
- allsheets.py: Self Documentation Series - Part VII : All Sheets

pdf-import: disable bogus image cache

neither 'ref' nor 'str' work as unique key. Minimal test must include
at least render-test.pdf which does not work with both.

Also initial stab on alpha support. Not ready yet, more member functions
need implementation.

pdf-import: text position corrections

at least for rotation of 90 degree

Updated Hungarian translation

Updated Hungarian translation

Updated Norwegian bokmål translation.

Updated German translation

cairo: do not compile cairo plugin if '--without-cairo' is defined.

Passing '--without-cairo' option to the build system disables
the inclusion of cairo header files but does not prevent the
code from building. As a result the compilation fails with
'implicit declaration of function' errors.

To fix this, modify the Makefile.am so that it does not compile
the plugin if '--without-cairo' is defined. Note that this
option must be passed by the user explicitly as the build system
will always detect libcairo on the system since GTK depends on it.

See: https://bugzilla.gnome.org/show_bug.cgi?id=729668
See: https://bugs.gentoo.org/show_bug.cgi?id=509636

Signed-off-by: Gokturk Yuksek <gokturk@binghamton.edu>
(cherry picked from commit ceb7265b65ed969698c358a850f8ff3ad42cc9d5)

Conflicts:
plug-ins/cairo/diacairo-renderer.c
plug-ins/cairo/diacairo.c