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分享如何在PHOTOSHOP6中或者用其他软件实现图片的无失真缩放？
平时在使用PHOTOSHOP6将一张图片放大或缩小时，常常会出现马赛克或失真情况，请问如何或者用什么软件可以实现图片的无失真缩放？就象许多网站上放的桌面图片一样，通常都是有800x600和1024x768两种，两张图片看上去基本上没差异，那是怎么实现的？谢谢！
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jzsh2000 2001-12-27
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谢谢各位！
jzsh2000 2001-12-25
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我知道矢量图与向量图的区别，可我问题的关键不在这里，我想知道那些图片是如何实现缩放的
ue 2001-12-24
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搞清楚矢量图和位图文件的结构，你就会恍然大悟...
jzsh2000 2001-12-24
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没有人能解决吗？
那我只好结帖了。
那我只好结帖了。
kangji 2001-12-18
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矢量图形才可以无损失缩放，象素图形都不行！
jzsh2000 2001-12-18
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也就是说我们所见到的那些以800x600和1024x768两种大小格式存在的图都是矢量图吗？我想不太可能吧？如果说它们都是由同一张矢量图转化过来的，这倒可以让人相信，不过它是怎样实现的呢？该不会都是由FALSH做的吧？
jzsh2000 2001-12-17
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To：qisanyou(七三有)
不会吧？太夸张了吧~~~
难道说很多网站都有这个软件并且用它来做桌面图片吗？
To：phoenixtan(珠珠)
我觉得你的话有点太绝对了，你说那些桌面图片是扫描进去的？那么请问那些另类图片和抽象类图片也是扫描进去的吗？
不会吧？太夸张了吧~~~
难道说很多网站都有这个软件并且用它来做桌面图片吗？
To：phoenixtan(珠珠)
我觉得你的话有点太绝对了，你说那些桌面图片是扫描进去的？那么请问那些另类图片和抽象类图片也是扫描进去的吗？
icech 2001-12-14
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应该与图片格式有关，平常的jpg、gif格式不是矢量图。所以怎么变都会失真，
可以试试用flash
可以试试用flash
裸男 2001-12-14
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我也要知道，不过目前我还没有发现有那个软件有这个功能。
比如说放大一张图片，必然产生很多空的像素，那么这个软件要“智能”地去填充这些像素，现在有这样的软件吗？
比如说放大一张图片，必然产生很多空的像素，那么这个软件要“智能”地去填充这些像素，现在有这样的软件吗？
qisanyou 2001-12-14
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-------------
DESCRIPTION
-------------
S-Spline uses an advanced algorithm for enlarging digital images. Cleanly enlarge BMP, Targa, JPEG, PPM and PCX images.
--------------------------
WHAT'S NEW IN VERSION 2?
--------------------------
* Faster enlarging algorithm, for previewing as well as saving
* Completely new Graphical User Interface
* Scalable preview window
* More image file formats supported
Currently open only:
TIFF (*.tif, *.tiff) (Note: LZW compressed TIF images are unsupported)
PNG (*.png, *.ping)
Open as well as save:
JPEG - JFIF COmpliant (*.jpg, *.jpeg, *.jfif. *.jif)
Portable Pixel map (*.ppm)
Truevision Targa (*.tga, *.targa, *.tpic, *.vda, *.icb, *.vst)
Windows or OS/2 Bitmap (*.bmp, *.dib)
Zsoft Paintbrush (*.pcx)
* Automatic check for newer version when connected to the internet
----------------
USING S-SPLINE
----------------
Help contains information about S-Spline's features and how to use them. Choose HELP from the S-Spline Help menu or press F1.
S-Spline will default to the language settings you use in Windows, if available. If you want to change the language used in S-Spline you can do so by going to Options --> Language. The following languages are available at the moment:
* Danish
* Dutch
* English
* Finnish
* French
* German
* Italian
* Norwegian
* Portuguese
* Spanish
* Swedish
SPECIAL NOTE: Due to the nature of the anti-piracy security technology built into this product, using illegal keys may lead to software failure or instability.
----------------------
ONLINE REGISTRATION
----------------------
Please register your copy of S-Spline online. Registration is required to get our support services. In addition, you can join our mailing list to receive information on software updates, upcoming products, and other news.
Go to http://www.shortcut.nl/products.php?parentid=7&count=28 to register now.
-------------
GET SUPPORT
-------------
Registered users of the software are entitled to Shortcut's standard support services.
Please consult our frequently asked questions list at http://www.shortcut.nl/products.php?parentid=7&count=14 first. If your question is not answered there please mail it to support@shortcut.nl or go to http://www.shortcut.nl/aboutus.php?parentid=5&count=23 to use our online feedback form.
---------------
ONLINE UPDATE
---------------
S-Spline automatically checks for a newer version when connected to the internet, however if you want to manually download updates for S-Spline you can do so from the page below:
http://www.shortcut.nl/products.php?parentid=7&count=29
---------------------------------------
SEND FEEDBACK / REQUESTS FOR FEATURES
---------------------------------------
Please let us know how to improve S-Spline by giving us feedback, you can send mail to feedback@shortcut.nl with "S-Spline Feedback" in your subject header, or go to http://www.shortcut.nl/aboutus.php?parentid=5&count=23 to use our online feedback form.
-------------
BUG REPORTS
-------------
If you experience something you think might be a bug in S-Spline, please report it by sending a message to bugreport@shortcut.nl. Describe what you did, what happened, what version of S-Spline you have, any error messages S-Spline gave, what kind of computer you have, which operating system you're using, and anything else you think might be relevant.
--------------
KNOWN ISSUES
--------------
1. Under Win9x/Me sometimes long delays occur when changing scaling properties, especially when scaling to less than 100% (Doesn't happen with Win2k)
------------------
S-SPLINE WEBSITE
------------------
http://www.s-spline.com/ is the place to visit to get up-to-date information about S-Spline, software updates, and other Shortcut products.
---------------
HOW TO ORDER?
---------------
If you like S-Spline 2 and would like to be able to save your enlarged images instead of just previewing the result you can order it for Euro 69, 2 options are currently available:
1. Order online from a secure server: http://www.shortcut.nl/products.php?parentid=3&count=7
2. Print Order.txt for instructions on ordering by check.
我可是花钱注册了的,你想想办法吧.
DESCRIPTION
-------------
S-Spline uses an advanced algorithm for enlarging digital images. Cleanly enlarge BMP, Targa, JPEG, PPM and PCX images.
--------------------------
WHAT'S NEW IN VERSION 2?
--------------------------
* Faster enlarging algorithm, for previewing as well as saving
* Completely new Graphical User Interface
* Scalable preview window
* More image file formats supported
Currently open only:
TIFF (*.tif, *.tiff) (Note: LZW compressed TIF images are unsupported)
PNG (*.png, *.ping)
Open as well as save:
JPEG - JFIF COmpliant (*.jpg, *.jpeg, *.jfif. *.jif)
Portable Pixel map (*.ppm)
Truevision Targa (*.tga, *.targa, *.tpic, *.vda, *.icb, *.vst)
Windows or OS/2 Bitmap (*.bmp, *.dib)
Zsoft Paintbrush (*.pcx)
* Automatic check for newer version when connected to the internet
----------------
USING S-SPLINE
----------------
Help contains information about S-Spline's features and how to use them. Choose HELP from the S-Spline Help menu or press F1.
S-Spline will default to the language settings you use in Windows, if available. If you want to change the language used in S-Spline you can do so by going to Options --> Language. The following languages are available at the moment:
* Danish
* Dutch
* English
* Finnish
* French
* German
* Italian
* Norwegian
* Portuguese
* Spanish
* Swedish
SPECIAL NOTE: Due to the nature of the anti-piracy security technology built into this product, using illegal keys may lead to software failure or instability.
----------------------
ONLINE REGISTRATION
----------------------
Please register your copy of S-Spline online. Registration is required to get our support services. In addition, you can join our mailing list to receive information on software updates, upcoming products, and other news.
Go to http://www.shortcut.nl/products.php?parentid=7&count=28 to register now.
-------------
GET SUPPORT
-------------
Registered users of the software are entitled to Shortcut's standard support services.
Please consult our frequently asked questions list at http://www.shortcut.nl/products.php?parentid=7&count=14 first. If your question is not answered there please mail it to support@shortcut.nl or go to http://www.shortcut.nl/aboutus.php?parentid=5&count=23 to use our online feedback form.
---------------
ONLINE UPDATE
---------------
S-Spline automatically checks for a newer version when connected to the internet, however if you want to manually download updates for S-Spline you can do so from the page below:
http://www.shortcut.nl/products.php?parentid=7&count=29
---------------------------------------
SEND FEEDBACK / REQUESTS FOR FEATURES
---------------------------------------
Please let us know how to improve S-Spline by giving us feedback, you can send mail to feedback@shortcut.nl with "S-Spline Feedback" in your subject header, or go to http://www.shortcut.nl/aboutus.php?parentid=5&count=23 to use our online feedback form.
-------------
BUG REPORTS
-------------
If you experience something you think might be a bug in S-Spline, please report it by sending a message to bugreport@shortcut.nl. Describe what you did, what happened, what version of S-Spline you have, any error messages S-Spline gave, what kind of computer you have, which operating system you're using, and anything else you think might be relevant.
--------------
KNOWN ISSUES
--------------
1. Under Win9x/Me sometimes long delays occur when changing scaling properties, especially when scaling to less than 100% (Doesn't happen with Win2k)
------------------
S-SPLINE WEBSITE
------------------
http://www.s-spline.com/ is the place to visit to get up-to-date information about S-Spline, software updates, and other Shortcut products.
---------------
HOW TO ORDER?
---------------
If you like S-Spline 2 and would like to be able to save your enlarged images instead of just previewing the result you can order it for Euro 69, 2 options are currently available:
1. Order online from a secure server: http://www.shortcut.nl/products.php?parentid=3&count=7
2. Print Order.txt for instructions on ordering by check.
我可是花钱注册了的,你想想办法吧.
jzsh2000 2001-12-14
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那也就是说没有任何方法或者软件可以解决这个问题喽？
phoenixtan 2001-12-14
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原因很简单啊，那些图片是扫描进去时，本来就很大了，甚至超过1024×768， 要转变就简单了，从大变小你是看不出有什么失真的吧。我说不可能的是从小图变成大图也不会失真，这是不可能的事情。
jzsh2000 2001-12-14
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既然不可能有这样的东西出现，那请问网站上的那些桌面图片被做成800x600和1024x768是怎么实现的？
phoenixtan 2001-12-14
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不可能有这样的东西出现的。
hunboy 2001-12-14
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你所说的图片放大缩小一般指的是对像素图的操作，只要放大缩小都会有失真，如果是矢量图就没有失真的问题了
blueuiki 2001-12-13
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PHOTOSHOP6.0支持无失真缩放，调整大小的时候，选择 编辑/自由变换(快捷键是 Ctrl+"T" )，调整角度以及大小；按住Shift键，可以使长宽等比例变换，不至于使变换后的图像失真。
jzsh2000 2001-12-13
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谢谢你，不过我发现你的方法和直接调整图象大小并没有什么区别啊？
