Re: cairo snapshot 1.15.10 now available

One way to deal with this is to make the UTF-8->UTF-16 converter
translate any errors in UTF-8 encoding by looking up each byte in the
error in the current code page (or just hard-code CP1252) and use
that. This allows it to continue to work with code that has
extended-ASCII filenames as well as UTF-8 (except for the very low
chance that the filename happens to have the bytes arranged such that
they are a valid UTF-8 character, this is almost impossible for a
human-readable name in an extended ASCII). IMHO 90% of the problems
with I18N is that programmers don't do this, preventing a seamless
transition to UTF-8 where you can gradually migrate your text.


On Wed, Dec 27, 2017 at 12:24 AM, Uli Schlachter <[email protected]> wrote:
> Hi,
>
> I can't answer your question, but I have a question to you: What does
> your application do if the file name cannot be expressed in the current
> codepage?
>
> Cheers,
> Uli
>
> On 26.12.2017 22:10, Mikael Claesson wrote:
>> Hi,
>> What is the recommended way of dealing with the "Use UTF-8 filenames on Windows" change? Will that not break API/ABI? In my application I currently have code in place to ensure that the file names are encoded in the current codepage. I guess I will now have to first check which cairo version the user has, and then convert as needed? Are all applications expected to do this?
>> Best regards,
>> Mikael
>>
>>
>>     On Tuesday, December 12, 2017, 2:06:42 AM GMT+1, Bryce Harrington <[email protected]> wrote:
>>
>>  A new cairo snapshot 1.15.10 is now available from:
>>
>>   http://cairographics.org/snapshots/cairo-1.15.10.tar.xz
>>
>>     which can be verified with:
>>
>>     http://cairographics.org/snapshots/cairo-1.15.10.tar.xz.sha1
>>     de180498ac563249b93ee5e17ba9aa26f90644b3  cairo-1.15.10.tar.xz
>>
>>     http://cairographics.org/snapshots/cairo-1.15.10.tar.xz.sha1.asc
>>     (signed by Bryce Harrington)
>>
>>   Additionally, a git clone of the source tree:
>>
>>   git clone git://git.cairographics.org/git/cairo
>>
>>     will include a signed 1.15.10 tag which points to a commit named:
>>     95c464d5feaae58b6cc0990434ce2498cc315dc6
>>
>>     which can be verified with:
>>     git verify-tag 1.15.10
>>
>>     and can be checked out with a command such as:
>>     git checkout -b build 1.15.10
>>
>>
>> Release 1.15.10    (2017-12-07 Bryce Harrington <[email protected]>)
>> ========================================================================
>> This release adds GLESv3 support to the cairo_gl backend, adds
>> tracking of SVG units in generated svg documents, and cleans up numerous
>> test failures and related issues in the PDF and Postscript backends.
>>
>> For a complete log of changes, please see
>>
>>     http://cairographics.org/releases/ChangeLog.1.15.10
>>
>> Features and Enhancements
>> -------------------------
>> * Add support for OpenGL ES 3.0 to the gl backend.
>> * Use Reusable streams for forms in Level 3 Postscript.
>> * Add CAIRO_MIME_TYPE_EPS mime type for embedding EPS files.
>> * Add CCITT_FAX mime type for PDF and PS surfaces
>> * svg: add a new function to specify the SVG document unit
>>   (Bug #90166)
>> * Use UTF-8 filenames on Windows
>>
>> API Changes
>> -----------
>> * cairo_svg_surface_set_document_unit() and
>>   cairo_svg_surface_get_document_unit()
>>
>> Dependency Changes
>> ------------------
>> None
>>
>> Performance Optimizations
>> -------------------------
>> None
>>
>> Bug Fixes
>> ---------
>> * Fix regression in gles version detection
>> * Fix undefined-behavior with integer math.
>> * Handle SOURCE and CLEAR operators when painting color glyphs.
>>   (Bug #102661)
>> * Convert images to rgba or a8 formats when uploading with GLESv2
>> * Use _WIN32 instead of windows.h to check for windows build.
>> * Fix sigabrt printing documents with fonts lacking the mandatory .nodef
>>   glyph.
>>   (Bug #102922)
>> * Prevent curved strokes in small ctms from being culled from vector
>>   surfaces
>>   (Bug #103071)
>> * Fix painting an unbounded recording surface with the SVG backend.
>> * Fix falling back to system font with PDFs using certain embedded
>>   fonts, due to truncated font names.
>>   (Bug #103249)
>> * Fix handling of truetype fonts with excessively long font names
>>   (Bug #103249)
>> * Fix race conditions with cairo_mask_compositor_t
>>   (Bug #103037)
>> * Fix build error with util/font-view
>> * Fix assertion hit with PDFs using Type 4 fonts rendered with user
>>   fonts, due to error when destroying glyph page.
>>   (Bug #103335)
>> * Set default creation date for PDFs
>> * Prevent invalid ptr access for > 4GB images.
>>   (Bug #98165)
>> * Prevent self-copy infinite loop in Postscript surface.
>> * Fix padded image crash in Postscript surface.
>> * Fix annotation bugs in PDFs and related memory leaks
>> * Fix test failures and other assorted issues in ps and pdf code.
>> * Fix code generation when using GCC legacy atomic operations
>>   (Bug #103559)
>> * Fix various compilation warnings and errors.
>> * Fix various distcheck errors with private symbols, doxygen formatting,
>>   etc.
>>
>> See below for a complete log of changes since 1.15.8, or see:
>>
>>     http://cairographics.org/releases/ChangeLog.cairo-1.15.10
>>
>>
>>
>> What is cairo
>> -------------
>> Cairo is a 2D graphics library with support for multiple output
>> devices. Currently supported output targets include the X Window
>> System (via both Xlib and XCB), quartz, win32, and image buffers,
>> as well as PDF, PostScript, and SVG file output. Experimental backends
>> include OpenGL, BeOS, OS/2, and DirectFB.
>>
>> Cairo is free software and is available to be redistributed and/or
>> modified under the terms of either the GNU Lesser General Public
>> License (LGPL) version 2.1 or the Mozilla Public License (MPL) version
>> 1.1.
>>
>>
>> Where to get more information about cairo
>> -----------------------------------------
>> The primary source of information about cairo is:
>>
>>         http://cairographics.org/
>>
>> The latest versions of cairo can always be found at:
>>
>>         http://cairographics.org/download
>>
>> Documentation on using cairo and frequently-asked questions:
>>
>>         http://cairographics.org/documentation
>>         http://cairographics.org/FAQ
>>
>>
>> Mailing lists for contacting cairo users and developers:
>>
>>         http://cairographics.org/lists
>>
>> Roadmap and unscheduled things to do, (please feel free to help out):
>>
>>         http://cairographics.org/roadmap
>>         http://cairographics.org/todo
>>
>>
>>
>> Changes since 1.15.8
>> --------------------
>>
>> Adrian Johnson (47):
>>       RELEASING: use correct branch name
>>       Remove unused variable
>>       build: use _WIN32 instead of windows.h to check for windows build
>>       replace _BSD_SOURCE with _DEFAULT_SOURCE
>>       factor out ascii to double code in cff-subset into _cairo_strtod
>>       truetype: reserve space in subset arrays for .notdef
>>       truetype: clarify glyph count variables
>>       Prevent curved strokes in small ctms from being culled from vector surfaces
>>       svg: fix painting an unbounded recording surface
>>       output-stream: allow %s strings larger than 512 chars
>>       truetype: limit font name to 127 chars
>>       svg: use hash table instead of user_data to track emitted surfaces
>>       svg: source surface hash table does not need to hold the source
>>       svg2png: remove unused headers
>>       ft: prevent unused var warning when freetype < 2.8
>>       fix unused function warnings
>>       svg: recording_surface is needed even if not emitted
>>       fix warning: variable X might be clobbered by 'longjmp'
>>       fix warning: inlining failed in call to '_csi_stack_push'
>>       util/font-view: fix build error
>>       Add CCITT_FAX mime type for PDF and PS surfaces
>>       Allow mime image to be different size to cairo image
>>       pdf: set ca/CA instead of using an smask when the mask has constant alpha
>>       pdf: set default create date
>>       pdf: remove old comment
>>       image: prevent invalid ptr access for > 4GB images
>>       Add mime-unique-id test
>>       pdf: fix mime-unique-id bounded recording test
>>       pdf: fix mime-unique-id unbounded recording test
>>       pdf: fix mime-unique-id jpeg attached to recording test
>>       ps: emit base85 strings instead of strings of base85
>>       ps: remove unused prolog
>>       ps: use << >> for dictionaries instead of dict begin end
>>       ps: don't acquire image or snapshot in acquire_source_image_from_pattern
>>       ps: use forms for surfaces with UNIQUE_ID mime type
>>       ps: use Reusable streams for forms in Level 3
>>       ps: add CAIRO_MIME_TYPE_EPS mime type for embedding EPS files
>>       test: use CAIRO_MIME_TYPE_UNIQUE_ID with record-text-transform
>>       ps: prevent self-copy infinite loop
>>       ps: fix padded image crash
>>       ps: fix extend-*-similar failures
>>       test: update some stale ref images
>>       pdf: fix document structure for non tagged structures
>>       ps: fix compile with old versions of MSVC
>>       pdf: fix some annotation bugs
>>       Prevent -Wundef warnings in when cairo-ft.h is used without fontconfig
>>       ps: fix compile warning
>>
>> Aleksander Morgado (1):
>>       build: fix minor typo in autogen.sh
>>
>> Antonio Ospite (2):
>>       svg: add a new function to specify the SVG document unit
>>       svg: fix compilation with MSVC which doesn't support C99 initializers
>>
>> Behdad Esfahbod (2):
>>       Fix undefined-behavior with integer math
>>       Handle SOURCE and CLEAR operators when painting color glyphs
>>
>> Bryce Harrington (15):
>>       Bump version for new development tree, 1.15.9
>>       glesv2: Fix regression in gles version detection
>>       gl: Convert images to rgba or a8 formats when uploading with GLESv2
>>       gl: Make _cairo_gl_ensure_framebuffer a private shared routine
>>       gl: Add support for OpenGL ES 3.0
>>       Factor out the ISFINITE() macro
>>       configure: Check for typeof
>>       Un-doxygen disabled cairo_set_opacity
>>       image: Fix include for use of ptrdiff
>>       win32: Fix since field version number
>>       Fix various doxygen warnings found by check-doc-syntax.sh
>>       Fix distcheck errors on use of #ifdef
>>       pattern: Mark a private routine as cairo_private.
>>       1.15.10 release
>>       Bump version for new development tree, 1.15.9
>>
>> Carlos Garcia Campos (1):
>>       scaled-font: Fix assert when destroying glyph page
>>
>> Mikhail Fludkov (2):
>>       Surround initialisations with atomic critical section
>>       Fix code generation when using GCC legacy atomic operations
>>
>> Tom Schoonjans (1):
>>       Use UTF-8 filenames on Windows
>>
>>
>>
>
>
> --
> "In the beginning the Universe was created. This has made a lot of
>  people very angry and has been widely regarded as a bad move."
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