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1.15.4 release
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Bryce Harrington
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126
NEWS
126
NEWS
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Release 1.15.4 (2016-12-9 Bryce Harrington <bryce@osg.samsung.com>)
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=======================================================================
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This new snapshot incorporates changes over the past year since the
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1.15.2 snapshot, including all the fixes from the 1.14 release series.
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Of particular note in this snapshot is a wealth of work by Adrian
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Johnson to enhance PDF support, as well as numerous bug fixes provided
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by him and other contributors.
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For a complete log of changes since the last release, please see:
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http://cairographics.org/releases/ChangeLog.1.15.4
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Features
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--------
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* The PDF backend has gained support for a range of widely used
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features, including thumbnails, page labels, metadata, document
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outlines, structured text, hyperlinks, and tags. Tags permit adding
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logical info such as headings, tables, figures, etc. that facilitates
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indexing, accessibility, text reflow, searching, and extraction of the
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tagged items to other software. For details on this new PDF
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functionality, see:
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https://lists.cairographics.org/archives/cairo/2016-June/027427.html
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API Changes
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-----------
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cairo_win32_surface_create_with_format
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Added a cairo API to set up Win32 surfaces for HDC with alpha channels.
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cairo_pdf_surface_add_outline
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cairo_pdf_surface_set_metadata
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cairo_pdf_surface_set_page_label
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cairo_pdf_surface_set_thumbnail_size
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cairo_tag_begin
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cairo_tag_end
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CAIRO_STATUS_TAG_ERROR
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New API for added PDF functionality (see above), and new error
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status item for problems relating to PDF tagging.
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CAIRO_STATUS_WIN32_GDI_ERROR
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CAIRO_STATUS_FREETYPE_ERROR
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CAIRO_STATUS_PNG_ERROR
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New error status items for handling of GDI, libfreetype, and libpng
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errors, respectively.
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Dependency Changes
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------------------
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None
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Performance Optimizations
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-------------------------
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None
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Bug Fixes
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---------
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* Bug fixes from 1.15.2 (see the 1.15.2 NEWS for details)
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* Fix playback of recording surfaces into PDF surfaces, where objects
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with negative coordinates were not getting drawn. To address this,
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the coordinate systems for PDF and PS have been changed to match
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cairo's coordinate system. This allows recording surfaces to be
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emitted in cairo coordinates, and results in the same origin being
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used for all operations when using the recording surface XObject.
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Test cases for PDF and PS have also been updated accordingly.
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(Bug #89232)
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* Fix "invalidfont" error on some printers when printing PDFs with
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embedded fonts that have glyphs (such as spaces) with
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num_contours == 0. (Bug #79897)
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* Fix missing glyphs such as thin dashes, which get scaled to 0 in
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userspace and thus have their drawing operations culled. (Bug #94615)
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* Fix other oddities caused by variously idiosyncratic fonts.
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* Fix deadlock when destruction of a scaled font indirectly triggers
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destruction of a second scaled font, causing the global cache to be
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locked twice. (Bug #93891)
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* Fix X errors reported to applications when shmdt() is called before
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the Attach request is processed, due to missing xcb and xlib calls.
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* Fix random failure in record-paint-alpha-clip-mast test case, caused
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by an incorrect assumption that a deferred clear can be skipped.
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(Bug #84330)
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* Fix crash when dealing with an XShmGetImage() failure, caused by a
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double free in _get_image_surface(). (Bug #91967)
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* Fix invalid execution of ASCII85 data by the PS interpreter that the
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image operator didn't use, by flushing the extraneous data after
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drawing the image. (Bug #84811)
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* Fix decoding of Adobe Photoshop's inverted CMYK JPEG files in PDF
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export.
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* Fix unbounded surface assertion in win32-print code.
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* Fix a data race in freed_pool discovered by Firefox's cairo usage.
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The patch adads atomic int load and store functions, with relaxed
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memory ordering. (Bug #90318)
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* Cleanup debugging text sent to stdout instead of log. (Bug #95227)
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* Fix build issue when using non-GNU strings utility. (Bug #88639)
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* Fix build of cairo modules as regular modules, not as versioned shared
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libaries. (Bug #29319)
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* Fix build on win32 using gcc 5.4.
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* Fix build of script backend to require zlib.
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* Update test suite reference images using Debian Jessie 64-bit and
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poppler current as of June, 2016.
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* Various improvements to documentation and tests, compiler warning
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fixes, and an assortment of code refactoring and cleanup.
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Release 1.15.2 (2015-12-10 Bryce Harrington <bryce@osg.samsung.com>)
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========================================================================
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This release is largely a rollup to include a variety of fixes that
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@ -3,6 +3,6 @@
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#define CAIRO_VERSION_MAJOR 1
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#define CAIRO_VERSION_MINOR 15
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#define CAIRO_VERSION_MICRO 2
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#define CAIRO_VERSION_MICRO 4
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#endif
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