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LibreCAD：修订间差异

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{{NoteTA|G1=IT|G2=FL}}
{{Infobox software
{{Infobox software
| name = LibreCAD
| name = LibreCAD
| title =
| title =
| logo =
| logo = LibreCAD icon.svg
| screenshot = [[File:librecad.png（LibreCad 1.0.0在Windows下的运行截图）]]
| screenshot = LibreCAD pentagon.PNG
| caption =
| caption = LibreCAD截图
| collapsible =
| collapsible =
| author =
| author =
| developer = [http://blog.librecad.org/ RVT]
| developer = LibreCAD 社群
| released = <!-- {{Start date|YYYY|MM|DD|df=yes/no}} -->
| released = {{Start date|2011|12|28|df=yes/no}}
| discontinued =
| discontinued =
| latest release version =1.0.0
| latest release version = 2.1.3
| latest release date = {{Start date and age|2011|12|28|df=yes/no}}
| latest release date = {{Release date and age|2016|09|23|df=yes/no}}
| latest preview version =
| latest preview version = 2.2.0 RC3
| latest preview date = <!-- {{Start date and age|YYYY|MM|DD|df=yes/no}} -->
| latest preview date = {{Release date and age|2021|11|29|df=yes/no}}
| frequently updated = <!-- DO NOT include this parameter unless you know what it does -->
| frequently updated = no
| programming language =
| programming language = [[C++]]
| operating system = [[Microsoft Windows|Windows]]/[[Linux]]/[[Mac OS X]]
| operating system = [[Microsoft Windows|Windows]]/[[Linux]]/[[Mac OS X]]
| platform =
| platform =
| size =
| size =
| language =
| language =
| status =
| status = 進行中
| genre = [[Computer-aided design|CAD]] software
| genre = [[计算机辅助设计]]
| license = GPLv2 public license
| license = [[GNU通用公共许可证]]第二版
| website = {{URL|http://librecad.org/}}<br>{{url|http://blog.librecad.org/}}
| website = {{URL|http://librecad.org/}}<br />{{url|http://blog.librecad.org/}}
}}
}}


'''LibreCad'''，是一个能运行在[[Windows]]、[[MAC]]、[[Linux]]上的自由的开源个人[[CAD]]应用程序。
'''LibreCad'''，是一个能运行在[[Windows]]、[[Mac OS|MAC]]、[[Linux]]上的自由的开源个人[[计算机辅助设计|CAD]]应用程序。原先是[[QCad]]社群版的一個[[復刻 (軟體工程)|分支]]。


== 优點 ==
== 优點 ==
*自由软件：不用在为许可证费用担忧。
*自由软件：不用再为许可证费用担忧。
*无语言障碍：支持众多的语言版本，使得LibreCad使用者没有语言障碍。
*无语言障碍：支持众多的语言版本，使得LibreCad使用者没有语言障碍。
*GPLv2公共授权：你可以使用LibreCad，改进LibreCad，复制纷发给别人，并且免费获得来自全世界的LibreCad用户的支持和LibreCad开发者的支持。
*GPLv2公共授权：你可以使用LibreCad，改进LibreCad，复制分发给别人，并且免费获得来自全世界的LibreCad用户的支持和LibreCad开发者的支持。
*开源社区项目：LibreCad是一个开源社区项目，LibreCad开发者不断吸纳新的技术和想法，LibreCad的未来的决定权在每次的投票，你也可以决定LibreCad的未来。
*开源社区项目：LibreCad是一个开源社区项目，LibreCad开发者不断吸纳新的技术和想法，LibreCad的未来的决定权在每次的投票，你也可以决定LibreCad的未来。

==历史==
2010 年前后， [[QCad|QCAD 社区版]] v2.0.5.0 [[分叉 (软件开发)|分支]] 开始了独立开发，形成了现在的 LibreCAD。最早的用户界面是基于 [[Qt|Qt3]] 图形库的。

现在 LibreCAD 的 [[GUI|图形界面]] 基于 [[Qt|Qt5]]，因此它可以在多个 [[系统平台|平台]] 上运行并保持相同的界面。<ref>{{cite web|last=Wallen|first=Jack|title=DIY: LibreCAD offers basic CAD tools for free|date=27 January 2012 |url=http://www.techrepublic.com/blog/doityourself-it-guy/diy-librecad-offers-basic-cad-tools-for-free/1306|accessdate=20 January 2013}}</ref><ref>{{cite web|title=Review about Linux LibreCAD and Linux Inkscape |url=http://newsoftwarepc.com/review-about-linux-librecad-and-linux-inkscape.html |accessdate=20 January 2013 |url-status=dead |archiveurl=https://web.archive.org/web/20121120014147/http://newsoftwarepc.com/review-about-linux-librecad-and-linux-inkscape.html |archivedate=20 November 2012 }}</ref>

[[GNU LibreDWG]] 库是在 [[GPLv3]] 许可证下发布的，它不能用在以 GPLv2 许可证发布的 LibreCAD（和 [[FreeCAD]]）上。<ref name="libredwg-gplv3-opinion">{{cite web|url=http://libregraphicsworld.org/blog/entry/whats-up-with-dwg-adoption-in-free-software |title=What's up with DWG adoption in free software? |last=Prokoudine |first=Alexandre |date=26 January 2012 |accessdate=3 November 2013 |publisher=libregraphicsworld.org |quote=''[Assimp's Alexander Gessler:] "Personally, I'm extremely unhappy with their [LibreDWG's — LGW] GPL licensing. It prohibits its use in Assimp and for many other applications as well. I don't like dogmatic ideologies, and freeing software by force (as GPL/GNU does) is something I dislike in particular. It's fine for applications, because it doesn't hurt at this point, but, in my opinion, not for libraries that are designed to be used as freely as possible." [Blender's Toni Roosendaal:] "Blender is also still "GPLv2 or later". For the time being we stick to that, moving to GPL 3 has no evident benefits I know of. My advice for LibreDWG: if you make a library, choosing a widely compatible license (MIT, BSD, or LGPL) is a very positive choice."'' |url-status=dead |archiveurl=https://web.archive.org/web/20161109103037/http://libregraphicsworld.org/blog/entry/whats-up-with-dwg-adoption-in-free-software |archivedate= 9 November 2016 }}</ref><ref>{{cite web|url=https://www.phoronix.com/scan.php?page=news_item&px=MTI4Mjc |title=FSF Wastes Away Another "High Priority" Project |first=Michael |last=Larabel |date=2013-01-24 |publisher=[[Phoronix]] |accessdate=2013-08-22 |quote=''Both LibreCAD and FreeCAD both want to use LibreDWG and have patches available for supporting the DWG file format library, but can't integrate them. The programs have dependencies on the popular GPLv2 license while the Free Software Foundation will only let LibreDWG be licensed for GPLv3 use, not GPLv2.'' |url-status=dead |archiveurl=https://web.archive.org/web/20161109200145/https://www.phoronix.com/scan.php?page=news_item&px=MTI4Mjc |archivedate=2016-11-09 }}</ref> 因为它们的许可证 [[许可证兼容性|不兼容]].<ref name="gpl2gpl3comp">{{cite web| url=https://www.gnu.org/licenses/gpl-faq.html#v2v3Compatibility| title=Frequently Asked Questions about the GNU Licenses – Is GPLv3 compatible with GPLv2?| publisher=The official site| accessdate=13 April 2011}}</ref> 有人向 [[Free Software Foundation|FSF]] 提出将 GNU LibreDWG [[软件再许可|重新许可]] 为 GPLv2，但遭到了拒绝。<ref>{{cite web|url=http://libregraphicsworld.org/blog/entry/libredwg-drama-the-end-or-the-new-beginning |title=LibreDWG drama: the end or the new beginning? |first=Alexandre |last=Prokoudine |date=2012-12-27 |quote=''[...]the unfortunate situation with support for DWG files in free CAD software via LibreDWG. We feel, by now it ought to be closed. We have the final answer from FSF. [...] "We are not going to change the license."'' |accessdate=2013-08-23 |publisher=libregraphicsworld.org |url-status=dead |archiveurl=https://web.archive.org/web/20161109103213/http://libregraphicsworld.org/blog/entry/libredwg-drama-the-end-or-the-new-beginning |archivedate=2016-11-09 }}</ref> 最后通过重写一个以 GPLv2 发布的称为 ''libdxfrw'' 的替代库才解决了这个问题，<ref>{{cite web|url=http://sourceforge.net/projects/libdxfrw/|title=libdxfrw|publisher=[[sourceforge.net]]}}</ref> 新库具有更完整的 DWG 支持。


==外部連結==
==外部連結==
*[http://librecad.org/ LibreCAD.org 官網]
*[http://librecad.org/ LibreCAD.org 官網] {{Wayback|url=http://librecad.org/ |date=20180526040948 }}


{{Free-software-stub}}

{{CAD 軟體}}
[[Category:2011年软件]]
[[Category:开源软件]]
[[Category:开源软件]]
[[Category:電腦輔助設計軟體]]
[[Category:電腦輔助設計軟體]]
[[Category:自由软件]]
[[Category:自由软件]]
[[Category:使用Qt的軟體]]

[[uk:LibreCAD]]

2024年8月13日 (二) 09:47的最新版本

LibreCAD
LibreCAD截图
LibreCAD截图
開發者LibreCAD 社群
首次发布2011年12月28日 (2011-12-28)
当前版本2.1.3（2016年9月23日，​8年前​（2016-09-23））
预览版本2.2.0 RC3（2021年11月29日，​2年前​（2021-11-29））
源代码库
編輯維基數據鏈接
编程语言C++
操作系统Windows/Linux/Mac OS X
类型计算机辅助设计
许可协议GNU通用公共许可证第二版
网站librecad.org
blog.librecad.org

LibreCad，是一个能运行在Windows、MAC、Linux上的自由的开源个人CAD应用程序。原先是QCad社群版的一個分支。

优點

[编辑]
  • 自由软件：不用再为许可证费用担忧。
  • 无语言障碍：支持众多的语言版本，使得LibreCad使用者没有语言障碍。
  • GPLv2公共授权：你可以使用LibreCad，改进LibreCad，复制分发给别人，并且免费获得来自全世界的LibreCad用户的支持和LibreCad开发者的支持。
  • 开源社区项目：LibreCad是一个开源社区项目，LibreCad开发者不断吸纳新的技术和想法，LibreCad的未来的决定权在每次的投票，你也可以决定LibreCad的未来。

历史

[编辑]

2010 年前后， QCAD 社区版 v2.0.5.0 分支 开始了独立开发，形成了现在的 LibreCAD。最早的用户界面是基于 Qt3 图形库的。

现在 LibreCAD 的 图形界面 基于 Qt5，因此它可以在多个 平台 上运行并保持相同的界面。[1][2]

GNU LibreDWG 库是在 GPLv3 许可证下发布的，它不能用在以 GPLv2 许可证发布的 LibreCAD（和 FreeCAD）上。[3][4] 因为它们的许可证 不兼容.[5] 有人向 FSF 提出将 GNU LibreDWG 重新许可 为 GPLv2，但遭到了拒绝。[6] 最后通过重写一个以 GPLv2 发布的称为 libdxfrw 的替代库才解决了这个问题，[7] 新库具有更完整的 DWG 支持。

外部連結

[编辑]
  1. ^ Wallen, Jack. DIY: LibreCAD offers basic CAD tools for free. 27 January 2012 [20 January 2013]. 
  2. ^ Review about Linux LibreCAD and Linux Inkscape. [20 January 2013]. （原始内容存档于20 November 2012）. 
  3. ^ Prokoudine, Alexandre. What's up with DWG adoption in free software?. libregraphicsworld.org. 26 January 2012 [3 November 2013]. （原始内容存档于9 November 2016）. [Assimp's Alexander Gessler:] "Personally, I'm extremely unhappy with their [LibreDWG's — LGW] GPL licensing. It prohibits its use in Assimp and for many other applications as well. I don't like dogmatic ideologies, and freeing software by force (as GPL/GNU does) is something I dislike in particular. It's fine for applications, because it doesn't hurt at this point, but, in my opinion, not for libraries that are designed to be used as freely as possible." [Blender's Toni Roosendaal:] "Blender is also still "GPLv2 or later". For the time being we stick to that, moving to GPL 3 has no evident benefits I know of. My advice for LibreDWG: if you make a library, choosing a widely compatible license (MIT, BSD, or LGPL) is a very positive choice." 
  4. ^ Larabel, Michael. FSF Wastes Away Another "High Priority" Project. Phoronix. 2013-01-24 [2013-08-22]. （原始内容存档于2016-11-09）. Both LibreCAD and FreeCAD both want to use LibreDWG and have patches available for supporting the DWG file format library, but can't integrate them. The programs have dependencies on the popular GPLv2 license while the Free Software Foundation will only let LibreDWG be licensed for GPLv3 use, not GPLv2. 
  5. ^ Frequently Asked Questions about the GNU Licenses – Is GPLv3 compatible with GPLv2?. The official site. [13 April 2011]. 
  6. ^ Prokoudine, Alexandre. LibreDWG drama: the end or the new beginning?. libregraphicsworld.org. 2012-12-27 [2013-08-23]. （原始内容存档于2016-11-09）. [...]the unfortunate situation with support for DWG files in free CAD software via LibreDWG. We feel, by now it ought to be closed. We have the final answer from FSF. [...] "We are not going to change the license." 
  7. ^ libdxfrw. sourceforge.net. 
检索自“https://zh.wikipedia.org/w/index.php?title=LibreCAD&oldid=83792449”