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List of changes in MuPDF 1.7
* Headline changes:
* New 'Indie dev' licensing options - contact sales@artifex.com for more details.
* New HTML layout engine, and (DRM-free) EPUB viewer.
* Reduced memory usage - displaylists and internal PDF representation take much less memory, reducing total memory use on some files by over 60%.
* Important API changes:
* Bound contexts have been removed; we now pass fz_contexts explicitly.
* Reference counting of paths and text structures.
* Features:
* Add mutool pages option.
* Tweaked rendering to prevent feature dropout in common cases.
* Viewer tweaks
* Better mouse wheel handling
* Shift-space support
* Mouse button control of presentation mode
* Internal changes:
* Removal of bound contexts; fz_contexts now passed explicitly everywhere.
* PDF filter revamp - simpler interface.
* Devices use derived structures rather than user pointer.
* Sparse PDF xrefs held in more compact form.
* New gsview viewer split out to its own repository.
* Bug fixes
* Improved handling of broken files.
* Fix BBoxes of Type 3 fonts.
* Updated fonts (including greek and cyrillic).
* Various memory leaks and crashes.
* And many more.
List of changes in MuPDF 1.6
* Features:
* Color detection device (mudraw -T).
* Sepia mode full-page color tinting in X11 and win32 viewer (keybinding: shift-C).
* Re-implement printf and strtod due to portability issue with locales and number formatting.
* Add 'gsview' project: a Windows Modern UI viewer.
* Improve XML parser interface.
* Bug fixes:
* CBZ page ordering
* ZIP64 support
* iOS and Android bug fixes
* Miscellaneous minor fixes
List of changes in MuPDF 1.5
* Bug fixes.
List of changes in MuPDF 1.4
* Headline changes:
* CMYK rendering (mudraw PWG and PAM formats)
* TIFF viewer (with multi-page support).
* Added MuJS Javascript interpreter.
* MuJS is the default, V8 and JavaScriptCore are compile time options.
* Javascript support has to be explicitly enabled with pdf_enable_js.
* All viewers now have JavaScript enabled in the default builds.
* Viewers:
* X11: Horizontal scroll wheel support.
* X11: Status bar display with warnings.
* Android: Digital signatures.
* iOS: Links, form filling, annotation editing, and javascript.
* iOS: Reflow mode.
* WinRT: Printing.
* WinRT: Improved zooming behaviour.
* Tools:
* mudraw: Banded rendering with -B /band-height/.
* mudraw: Select output format with -F /format/.
* mudraw: Write to stdout if you use '-' as the output file name.
* mudraw: Add TGA output format.
* mudraw: Improved SVG output.
* mutool show: Write output to file instead of stdout with -o /filename/.
* mutool clean: Clean content streams with -s option.
* Annotations:
* Improved font handling.
* Form fields.
* Free text.
* Sticky notes.
* Optimizations:
* glyph cache: Partial eviction.
* glyph cache: Run-length compressed glyphs.
* Smarter handling of subpixel metrics in text rendering.
* Optimized blitting functions.
* Optimized gradient mesh drawing.
* API changes and additions:
* fz_stream API reworked: replace "read" function with "next".
* "Rebind" functions to associate context bound objects with another context:
fz_output, fz_stream, fz_device and fz_document.
* Introduce "document handlers" to detect and open different file types.
* Must now call fz_register_document_handlers() to register the defaults.
* May register your own handlers as well to work with fz_open_document.
* Hook to load system fonts: fz_install_load_system_font_funcs.
* PDF xref cache flushing functions (mark/clear/clear-to-mark).
* Add our own "printf" set of functions to format strings and write to fz_output:
* Format %f as short as possible while preserving precision.
* Has %C for formatting a unicode character as UTF-8.
* Has %M to format fz_matrix.
* Has %R to format fz_rect.
* Has %q and %( to format strings with escaped characters.
* PDF process interface: allow PDF interpreter to do more than just draw!
* Content stream state cleaning filter.
* Content stream rewriting filter.
* PDF digital signatures.
* Stroke states may now be stored on the stack.
* Improved fz_path internals.
* Gradient mesh drawing interface has been improved.
* Save files with incremental updates.
List of changes in MuPDF 1.3
* Windows RT viewer app for MuPDF.
* Library changes to support progressive loading (display PDF files as
they download). Windows/Linux/MacOS viewer supports this using curl.
* Incremental updates to PDF files are now (optionally) preserved on
loading/saving.
* Prototype support for checking PDF Digital Signatures.
* Initial annotation support (strike-out, underline, highlight and ink)
(library and android builds only).
* Fix operation on Android API level 8.
* Android redraw optimisations.
* Android app now supports Google Cloud Print.
* Android app translated into many languages.
* Android support for more architectures.
* Improvements to store (avoid collisions causing unnecessary evictions).
* Windows apps use Unicode filenames now.
* PDF function handling improved; functions can now be passed to devices
without 'sampling'.
* PDF image handling improved; images can now be passed to devices
without decompression.
* Indexed images are no longer uncompressed at load time, saving memory.
* Caching of rendered tiles for speed.
* Improved text analysis mode, capable of spotting columns/indents,
right-to-left text etc.
* HTML output mode now includes image output.
* PDF password encoding handling improved.
* MuPDF now opens Jpeg, Tiff and PNG files directly.
* Bug preventing OpenXPS files from being opened fixed.
* Initial (feature incomplete) SVG and PDF output devices.
* PWG raster (mono/grey/RGB) and PCL (mono) output devices.
* Various performance improvements (including tilings and mesh based
shadings).
* Revamped directory structure to reflect recent changes.
* Various potential SEGV, SoftMask and rendering fixes.
* Many potential crashes in Jpeg2000 and JBIG2 images fixed.
List of changes in MuPDF 1.2
* Important API changes:
* fz_bbox is now fz_irect.
* APIs (including fz_device) now pass fz_rect/fz_matrix by reference.
* fz_device API is now more consistent with regards to use of
fz_rect rather than fz_bbox.
* Add support for Javascript and forms handling.
* Fix many SEGVs with out of spec files. Many thanks to Mateusz "j00ru"
Jurczyk and Gynvael Coldwind of the Google Security team, zeniko,
Sebastian Rasmussen and all other contributors.
* Add fz_open_document_with_stream to allow non-file based operation.
* Move to using git submodules for third party libraries.
* Much enhanced Android application. Now on Google Play!
* Oversized and stroke text clipping implemented.
* Change shadings to decompose at render times; massive memory savings.
* Renamed 'mubusy' to 'mutool'.
* PDF 1.7 Extension Level 8 encryption implemented.
* Added consts to various parts of the API to help C++ interworking.
* Prototype transition support.
* Text searching API moved to fitz.
* Highlight and copy text selections.
* Performance enhancements for color conversion and fax decompression.
* ARM optimisations for color conversion and bitmap scaling.
* Bitmap subsampling stage introduced, with ARM optimisations.
* Type 3 fonts; glyphs are now handled as display lists.
* Scan converter performance improvements.
* Various rendering fixes.
List of changes in MuPDF 1.1
* Rendering bugs fixed (text clipping, stroked text etc).
* Better handling of 'large' (uncachable) glyphs.
* Added a delete button to the library view on the iOS port.
* Minor speed optimisations.
* Shading bug fixes.
* Move to using dynamically allocated parsing buffers (more resilient).
* Support for UserUnits.
* Fix bugs with image predictors (including with 16 bit images).
* More resilient to out of spec files.
* Extract pdf writing capability into the library from pdfclean, and
expand on it to allow for linearisation. Bug fixes in the garbage
collection of unused objects.
* Improve pdf writing recognition of images.
* Improved font matching.
* Start to move away from macros to inline functions (helpful for
applications requiring certification).
* Many bugs fixed.
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