Openoffice For A Mac

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OpenOffice.org finally has a native version for Mac, which is why it doesn't need to run the X11 server (only available for Mac OS X Intel for now). Although OpenOffice.org doesn't automatically run the guide that allows you to select the kind of document you want, you can access the different applications from the corresponding menu bar: Text. Macで利用可能なOpenOfficeのダウンロード・インストール方法を紹介します。OpenOfficeは無料のオープンソースソフトウェアで、Microsoft Officeと同等の機能をMacで利用することができます。. Enhance Apache OpenOffice. Pick your Template. Get OpenOffice Search templates. Search templates; Highest rated; Most popular; Most recent; Filter by category. Business 1264 Apply Business filter; Education 192 Apply Education filter; Private 357 Apply Private filter.

  • 4Work in progress
  • 5interesting functions in Carbon/ATSUI API
  • 9URL's & important LINKS

Public Documentation License Notice

The contents of this Documentation are subject to the Public Documentation License Version 1.0 (the 'License'); you may only use this Documentation if you comply with the terms of this License. A copy of the License is available at http://www.openoffice.org/licenses/PDL.html.The Original Documentation is 'Fonts starting point and documentation'. The Initial Writer of the Original Documentation is (JCA) Eric Bachard (C) 2006. All Rights Reserved. (Initial Writer contact(s): ericb@openoffice.org.)

Native fonts implementation

Introduction

Currently, OpenOffice.org on Mac OS X does not use directly Apple system fonts, but extracts .ttf part ot (most of) them, and uses X11 rendering to display them properly.

The pro to use X11 rendering is it is faster than use Apple font server, but the drawback is all featured improvement are not accessible, in particular kerning and hinting.


First contact with Herbert Duerr (hdu), about fonts :

Choosen answers to start :

'...I already started an ATSUI port long ago. See issue 23283 for details (http://www.openoffice.org/issues/show_bug.cgi?id=23283). This patch is very old and worked for some simple situations...'

'..Everything is in VCL, especially the vcl/inc/sallayout.hxx header file is important. vcl/*/gdi/ subdirectories might be interesting too.

The SalLayout base class is the core of all VCL-text. It corresponds to an ATSUTextLayout object on ATSUI. All text display, measurements, text breaking, glyph fallback etc. are done via SalLayout objects..'

'..I think the best way is to deeply understand a SalLayout object is to get to know the very old VCL OutputDevice text related methods, and especially what the pDXArray parameter in them means. Then learn ATSUI, Uniscribe, ICU's layout engine and Java's TextLayout really well. A SalLayout is just the abstracted combination of all these layout engines. A SalLayout object has the 'old pDXArray flavour' to keep the changes required by the rest of OOo minimal..'

'..Well, changing anything in the VCL text core is very hard, because it impacts basically everything text related in OOo. Since a simple change there can easily break some use cases, several scripts, platforms and may have a bad performance impact, I'd rather not change anything in the core...

'...If it is possible to isolate it to just the file salatslayout.cxx provided in issue 23283 then I'm all for it..'

Fixme : documentation starting point :

interesting documents about design of fonts implementations in OpenOffice.org :

[FIXME]Verify if not obsolete Font management concept :http://gsl.openoffice.org/files/documents/16/1603/vcl_new_fontmanagement.pdf

window class hierarchy :

Little glossary

Impl prefix means Implementation detail, and such variable, functions ...etc will only be visible locally

ATS : Apple Type Services. This server works if an only if a CFRunLoop( ) is running, and launched in main thread.

ATSUI : Apple Type Services for Unicode Imagery

Sal : System Abstraction Layer

Layout (for text layout) : Text Layout contains one ore more paragraphs of text together with style attributes that may apply to character,

lines or even the entire layout. The text layout contains informations about lines and layout attributes, including justification, rotation, etc

CarretPosition: Caret is the name for the symbol ^

Point: [FIXME]

Glyph: A Glyph represents the shape of a symbol. E.g. the glyph for the character 'capital latin letter O' typically looks like a hollow ellipse.

Style: One of the three traditional design features of a typeface along with size and weight - styles are either regular, italic or condensed

Offset: in our context, a number indicating the distance (displacement) from the start of a data structure object and up to a given element

Boundary: A border that encloses a space or area

GIA: Glyph Information Array

Character style information: is contained in a style object associated ( not contained by ! ) a text layout object.


You can complete with the excellent glossary Herbert Duerr provided : http://gsl.openoffice.org/files/documents/16/1890/OOo_Glossary_Of_Font_Terms.htm

Work in progress

Openoffice For A Mac

salatslayout.cxx License origin is justified here : http://qa.openoffice.org/issues/show_bug.cgi?id=23283]


Unicode

What is important ? Reading http://fr.wikipedia.org/wiki/UTF-8 , it was not easy to understand how was working UTF-8.

A character whose code point is below U+0080 is encoded with a single byte that contains its code point: these correspond exactly to the 128 characters of 7-bitASCII. In other cases, up to four bytes are required. The most significant bit of these bytes is 1, to prevent confusion with 7-bit ASCII characters and therefore keep standard byte-oriented string processing safe.

Code range
hexadecimal		 Scalar value
binary		 UTF-8
binary		 Notes
000000–00007F
128 codes 		0zzzzzzz 0zzzzzzz ASCII equivalence range; byte begins with zero
seven zseven z
000080–0007FF
1920 codes 		00000yyy yyzzzzzz 110yyyyy 10zzzzzz first byte begins with 110, the following byte begins with 10.
three y; two y, six zfive y; six z
000800–00FFFF
63488 codes 		xxxxyyyy yyzzzzzz 1110xxxx 10yyyyyy 10zzzzzz first byte begins with 1110, the following bytes begin with 10.
four x,four y; two y,six zfour x; six y; six z
010000–10FFFF
1048576 codes 		000wwwxx xxxxyyyy yyzzzzzz 11110www 10xxxxxx 10yyyyyy 10zzzzzz First byte begins with 11110, the following bytes begin with 10
three w, two x; four x, four y; two y, six zthree w; six x; six y; six z


For example, the character aleph (א), which is Unicode U+05D0, is encoded into UTF-8 in this way:

  • It falls into the range of U+0080 to U+07FF. The table shows it will be encoded using two bytes, 110yyyyy 10zzzzzz.
  • Hexadecimal 0x05D0 is equivalent to binary 101-1101-0000.
  • The eleven bits are put in their order into the positions marked by 'y'-s and 'z'-s: 11010111 10010000.
  • The final result is the two bytes, more conveniently expressed as the two hexadecimal bytes 0xD7 0x90. That is the letter aleph (א) in UTF-8.



OpenOffice.org side :

Mac OS X API side:

Carbon API implementation (binding) is made in salatslayout.cxx

ATS and ATSUI starting point : http://developer.apple.com/documentation/Carbon/Conceptual/ATS_Concepts/atsfonts_intro/chapter_1_section_1.html

Mac

Apple's starting page leading to deeper docs: http://developer.apple.com/documentation/TextFonts/Typography-date.html


Todo-list for native font implementation :

Estimation of code remaining to write ~40 %

Done ( mainly Stephan Schaefer, with initial salatslayout.cxx file written by Herbert Duerr)

0.4

0.3


Resources : use sample code to test/initialize ATS server ( using e.g. ATSUIDirectAccessDemo )

SalLayout base class description

[FIXME]

salatslayout.cxx description

interesting functions in Carbon/ATSUI API

ATSCreateFontQueryRunLoopSource

ATSCreateFontQueryRunLoopSource : Sets up your application to handle font queries

ATSUCaret

ATSUCaret

Contains the coordinates needed to draw a caret.

MultiSalLayout implementation

Original code is in vcl/source/gdi/sallayout.cxx

deprecated functions in Carbon API

Content description : salatslayout.cxx

URL's & important LINKS

sallayout.hxx description

See : http://wiki.services.openoffice.org/wiki/Sallayout.hxx

Unicode references in Wikipedia

English reference : http://en.wikipedia.org/wiki/Unicode

French reference : http://fr.wikipedia.org/wiki/Unicode

Note: prefer english reference, more complete

Openoffice For Macbook Pro

Unicode references

Bidirectionnal Algorithms : http://www.unicode.org/reports/tr9/

Openoffice For A Mac Shortcut

UTF-8 and Unicode FAQ http://www.cl.cam.ac.uk/~mgk25/unicode.html

ICU references in Wikipedia

English reference : http://en.wikipedia.org/wiki/International_Components_for_Unicode

French reference : http://fr.wikipedia.org/wiki/International_Components_for_Unicode

Openoffice for mac free

Apple documentation

ATS and ATSUI starting point : http://developer.apple.com/documentation/Carbon/Conceptual/ATS_Concepts/atsfonts_intro/chapter_1_section_1.htmlApple's starting page leading to deeper docs: http://developer.apple.com/documentation/TextFonts/Typography-date.html

New Font Management

[FIXME]

See Herbert's Duerr document : http://www.openoffice.org/files/documents/16/1603/vcl_new_fontmanagement.pdf

Download Openoffice Mac Os X

Other ATSUI implementations

The Cairo library has an implementation of ATSUI font rendering, it can be studied for OpenOffice.org, because it is licensed with LGPL. See the code here:http://gitweb.freedesktop.org/?p=cairo.git;a=blob;hb=HEAD;f=src/cairo-atsui-font.c

Mac OS X port on the wiki

  1. Build Aqua version of OpenOffice.org http://wiki.services.openoffice.org/wiki/AquaBuild
  2. Pierre de Filippis Wiki http://wiki.services.openoffice.org/wiki/Pdefilippis:_Project_Page
  3. Christian Lippka wiki : http://wiki.services.openoffice.org/wiki/User:CL
  4. Mac OS X port Meetings : http://wiki.services.openoffice.org/wiki/MacOSXPortMeetings


This work is part of http://wiki.services.openoffice.org/wiki/Mac_OS_X_Porting_-_Work_Areas/Todo%27s

Ericb 10:36, 3 September 2006 (CEST)

Retrieved from 'https://wiki.openoffice.org/w/index.php?title=Mac_OS_X_Porting_-_Native_Fonts&oldid=187199'

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The current Apache OpenOffice supports Apple MacOS X version 10.7 (Lion) - 10.11 (El Capitan) and macOS 10.12 (Sierra) - 10.13 (High Sierra).

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  • Graphic : 1024 x 768 or higher resolution with 16.7 million colours

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