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authorBehdad Esfahbod <behdad@gnome.org>2006-12-21 00:34:19 +0000
committerBehdad Esfahbod <behdad@src.gnome.org>2006-12-21 00:34:19 +0000
commit3afec72c5baf3c0be7f6420a5acbb8b47967fb8f (patch)
tree8219fec14bc7cf64eba8813720a27bb79fd5ce6c /NEWS
parentb6ff5b076ead703a36fa5aed17e5b1e2946330e4 (diff)
downloadpango-3afec72c5baf3c0be7f6420a5acbb8b47967fb8f.tar.gz
=== Released 1.15.2 ===PANGO_1_15_2
2006-12-20 Behdad Esfahbod <behdad@gnome.org> * === Released 1.15.2 === * configure.in: Version 1.15.2 * NEWS: Updated.
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+Overview of changes between 1.15.1 and 1.15.2
+==============================================
+* Engines:
+ - Improved Hangul shaper engine
+ - Improved Indic shaper and language engines
+ - Require libthai >= 0.1.7 for the Thai language engine
+
+* Optimizations:
+ - Avoid some floating-point operations. Should cut the number of float
+ ops per expose event in pangocairo to a half.
+ - Cache ink and logical extents for PangoLayout
+
+* New Public API:
+
+ - New, generated, public header file pango-features.h. Included by
+ pango.h. Currently contains the version information. In the future,
+ can be expanded to define which backends have been enabled, etc.
+
+ - Public macros and functions for compile- and run-time version checking:
+
+ PANGO_VERSION_ENCODE()
+ PANGO_VERSION_MAJOR
+ PANGO_VERSION_MINOR
+ PANGO_VERSION_MICRO
+ PANGO_VERSION
+ PANGO_VERSION_STRING
+ PANGO_VERSION_CHECK()
+ pango_version()
+ pango_version_string()
+ pango_version_check()
+
+ The scheme chosen here is a mixture of approaches taken by glib and cairo.
+ The advantage over the glib model is that there are no public variables,
+ but it still gives access to a string and numerical representation of the
+ version number at compile- and run-time.
+
+ The macros enable conditional compilation of code depending on newer Pango
+ APIs, while the runtime functions allow refusing to run against old
+ versions of the library.
+
+ - New, readonly, version of methods that give read/write access to the
+ internals of PangoLayout:
+
+ pango_layout_get_line_readonly()
+ pango_layout_get_lines_readonly()
+ pango_layout_iter_get_line_readonly()
+ pango_layout_iter_get_run_readonly()
+
+ These should be used when you do not intend to modify the run/line,
+ which is most of the time the case. The only exception known to me
+ is Firefox that adjusts glyph widths to do justification. Most other
+ uses that do not write to the returned structs (or structs accessible from
+ them) should be ported to the new readonly API to benefit from major
+ optimizations (in this case, line extents caching). The list includes,
+ but is not limited to, Gtk+, SWT, ClassPath, gnome-applets, libgnomeprint,
+ xmlroff, GtkMathView, Conglomerate, Dia, Anjuta, wxWindows, The Gimp,
+ and various other applications/libraries:
+
+ http://www.google.com/codesearch?hl=en&q=+pango_layout_(iter_)%3Fget_(lines%3F%7Crun)%5B%5E_%5D&start=50&sa=N
+
+ Worth noting here is that, many uses of pango_layout_get_lines() can be
+ replaced by a pango_layout_get_iter() that works both more elegantly and
+ more efficiently. The versioning macros introduced in this release can be
+ used to make code use these new symbols without breaking compilation
+ against older Pango (though, such code compiled with the new Pango cannot
+ be run against an older Pango).
+
+ - pango_language_get_default(): Note that, this does not make Pango
+ fallback to the default language automatically (yet), but the user can
+ use this function to set the default language of the locale on a context:
+
+ pango_context_set_language (context, pango_language_get_default());
+
+ This essentially deprecates gtk_get_default_language(). The pango-view
+ tool has been updated to use this feature, so it now respects $LANG when
+ choosing fonts.
+
+ - pango_color_to_string().
+
+* Bugs fixed in this release:
+ Bug 326099 – Setting width, indentation and ellipsizing doesn't work
+ as I would expect
+ Bug 385478 – Fix tests on OPD platform
+ Bug 319808 – Patch to let pango support artifical italic, bold and
+ bold italic styles for the fonts which don't have these styles.
+ Patch from James Su
+ Bug 385321 – Worst case expansion for Sinhala
+ Patch from Harshula
+ Red Hat Bug 211574: [hi/ml/si_LK] cursor naviation is wrong when
+ using ZWJ (200d)
+ Patch from LingNing Zhang
+ Red Hat Bug 216424: [te_IN] pango - consonant + dependent vowel (ai)
+ Composed char is not rendering properly
+ Patch from LingNing Zhang
+ Bug 373856 – Wish: Function to convert a GdkColor to a string
+ Patch from Matthew Barnes
+ Red Hat Bug 216850: Issue in combination with vowels (ml_IN)
+ Patch from LingNing Zhang
+ Bug 382437 – tests/testboundaries fails
+ Bug 333982 – Fallback to $LANG whenever NULL PangoLanguage is used
+ Patch from LingNing Zhang
+
Overview of changes between 1.15.0 and 1.15.1
==============================================
* Add Thai langauage engine. (currently makes tests/testboundary fail.)