MuPDF 1.18

List of changes in MuPDF 1.14.0

* New features:
    * Added "Source Han Serif" CJK fallback font.
    * Added more scripts to the Noto fallback fonts.
    * Multi-page PNM support.
    * "mutool show" now supports a path syntax for selecting objects to show.

* Build system simplifications:
    * Auto-generated CMap, ICC, and JS source files are checked in to git.
    * Embedded CMap resources are now generated by a python script.
    * Embedded font resources are linked directly if using GNU ld or windows.
    * Namegen tool replaced by use of C macros.
    * Simplified Makefile.

* Annotation editing:
    * New annotation editing mode in mupdf-gl.
    * Can create, edit, and delete most annotation types.
    * Can create appearance streams for most annotation types.
    * Can create appearance streams for Tx form fields.
    * Can create appearance streams for Ch form fields.

* Form filling in mupdf-gl:
    * Can click buttons, checkboxes, and radioboxes.
    * Can fill out text fields using dialog box.
    * Can select choice options using dialog box.
    * Can verify and sign digital signatures.

* Improved UI for mupdf-gl:
    * Password dialog.
    * Error dialog.
    * Open/save file dialog.
    * Snap selection to words or lines by holding control or control+shift.
    * Save and restore current location, bookmarks, and navigation history.

* Bug fixes:
    * Improved CJK character fallback handling in EPUB.

* API changes:
    * Pass rectangle and matrix structs by value.
    * Replaced PDF_NAME_Xxx macros with PDF_NAME(Xxx).
    * Added PDF_TRUE, PDF_FALSE, and PDF_NULL constant pdf_obj* macros.
    * Added helper functions: pdf_dict_get_int, etc.
    * Removed 'doc' argument in pdf_new_int, etc.
    * Quads instead of rects when highlighting and searching text.
    * mutool run: Pass arguments to script in scriptArgs global.

 PDF (.pdf)
     Форматы электронных книг:
         незашифрованный EPUB (.epub)
         MOBI (.mobi)
         Fiction Wise (.fb2, .fb2z, .zfb2)
         .pdb (формат Palm DOC)
         .tcr
     файлы комиксов: .cbz, .cbr, .cbt, .cb7z
     DjVu (.djv, .djvu)
     Microsoft Compiled HTML Html (.chm)
     XPS (.xps)
     изображения (.tga, .gif, .jpg, .j2k, .png, .webp, .tiff)

clean -- rewrite pdf file
convert -- convert document
create -- create pdf document
draw -- convert document
trace -- trace device calls
extract -- extract font and image resources
info -- show information about pdf resources
merge -- merge pages from multiple pdf sources into a new pdf
pages -- show information about pdf pages
portfolio -- manipulate PDF portfolios
poster -- split large page into many tiles
sign -- manipulate PDF digital signatures
run -- run javascript
show -- show internal pdf objects

Headline changes:
· Change licensing terms to GNU AGPL (from GNU GPL).
· Much enhanced Android application. Now on Google Play!
· Move to using git submodules for third party libraries.
· Renamed 'mubusy' to 'mutool'.

New features:
· Add support for javascript and forms handling.
· PDF 1.7 Extension Level 8 encryption implemented.
· Oversized and stroke text clipping implemented.
· Prototype transition support.

API improvements and changes:
· Add fz_open_document_with_stream to allow non-file based operation.
· Text searching API.
· Highlight and copy text selection API.
· Pass matrices and rectangles by reference for improved performance.

Optimisations:
· Change shadings to decompose at render times; massive memory savings.
· 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.
· Fix many SEGVs with out of spec files.
· Various rendering fixes.