Python论坛的帖子：

Python论坛 - 讨论区

标题：[python-chinese] 如何使用PIL来处理PNG图片，让它更加小一些

楼主 2008年01月11日星期五 21:45

Joey tang.jiyu在gmail.com
星期五一月 11 21:45:55 HKT 2008

Hi All,

Ê¹ÓÃPIL¿â

import Image

big = Image.new('RGB', (160, 160))

´´½¨ÁËÒ»ÕÅÍ¼Æ¬£¬¾¹ýÒ»Ð©´¦Àí£¬ÏëÒª½«¸ÃÍ¼Æ¬±£´æÏÂÀ´¡£
ÓÚÊÇÊ¹ÓÃ
big.save('big.png')
±£´æÎªPNG¸ñÊ½£¬µ«ÊÇÏÖÔÚÓÐ¸öÎÊÌâ£¬ÓÃÕâ¸ö·½·¨±£´æµÄÍ¼Æ¬£¬ÎÄ¼þ´óÐ¡·Ç³£´ó£¬
²»ÖªµÀPILÊÇ·ñÌá¹©Ò»Ð©º¯Êý£¬ÔÚ±£´æPNGÎÄ¼þµÄÊ±ºòÀ´¿ØÖÆÒ»Ð©²ÎÊý£¬Ê¹ÎÄ¼þ´óÐ¡ÄÜ±È½ÏÐ¡¡£

·Ç³£¸ÐÐ»¡£


-- 
Best Regard,
Tang, Jiyu (Joey)
-------------- 下一部分 --------------
Ò»¸öHTML¸½¼þ±»ÒÆ³ý...
URL: http://python.cn/pipermail/python-chinese/attachments/20080111/d1e395f5/attachment.html

[导入自Mailman归档：http://www.zeuux.org/pipermail/zeuux-python]

徐继哲

0楼 2008年01月14日星期一 14:48

Vingel Lai mail在vingel.com
星期一一月 14 14:48:41 HKT 2008

PNGÕâÖÖ¸ñÊ½»ù±¾Ã»ÓÐÀàËÆjpgÄÇÖÖÑ¹Ëõ±ÈµÄ·½Ê½¡£

Èç¹ûÊ¹ÓÃjpg£¬µ¹ÊÇÓÐÒ»¸ö save(quality= 100) µÄÑ¡Ïî¡£

On 1/11/08, Joey <tang.jiyu在gmail.com> wrote:
>
> Hi All,
>
> Ê¹ÓÃPIL¿â
>
> import Image
>
> big = Image.new('RGB', (160, 160))
>
> ´´½¨ÁËÒ»ÕÅÍ¼Æ¬£¬¾¹ýÒ»Ð©´¦Àí£¬ÏëÒª½«¸ÃÍ¼Æ¬±£´æÏÂÀ´¡£
> ÓÚÊÇÊ¹ÓÃ
> big.save('big.png')
> ±£´æÎªPNG¸ñÊ½£¬µ«ÊÇÏÖÔÚÓÐ¸öÎÊÌâ£¬ÓÃÕâ¸ö·½·¨±£´æµÄÍ¼Æ¬£¬ÎÄ¼þ´óÐ¡·Ç³£´ó£¬
> ²»ÖªµÀPILÊÇ·ñÌá¹©Ò»Ð©º¯Êý£¬ÔÚ±£´æPNGÎÄ¼þµÄÊ±ºòÀ´¿ØÖÆÒ»Ð©²ÎÊý£¬Ê¹ÎÄ¼þ´óÐ¡ÄÜ±È½ÏÐ¡¡£
>
> ·Ç³£¸ÐÐ»¡£
>
>
> --
> Best Regard,
> Tang, Jiyu (Joey)
>
> _______________________________________________
> python-chinese
> Post: send python-chinese在lists.python.cn
> Subscribe: send subscribe to python-chinese-request在lists.python.cn
> Unsubscribe: send unsubscribe to  python-chinese-request在lists.python.cn
> Detail Info: http://python.cn/mailman/listinfo/python-chinese
>



-- 
-- 
Vingel
Blog:  http://www.vingel.com
-------------- 下一部分 --------------
Ò»¸öHTML¸½¼þ±»ÒÆ³ý...
URL: http://python.cn/pipermail/python-chinese/attachments/20080114/e8270ca6/attachment.html

[导入自Mailman归档：http://www.zeuux.org/pipermail/zeuux-python]

劳永超

0楼 2008年01月14日星期一 22:29

Fluke fluke.l在gmail.com
星期一一月 14 22:29:56 HKT 2008

如果你的环境没什么限制的话，直接调imagemagick应该更好把。里面有转换和控
制压缩比的功能。

Vingel Lai wrote:
> PNG这种格式基本没有类似jpg那种压缩比的方式。
>
> 如果使用jpg，倒是有一个 save(quality= 100) 的选项。
>
> On 1/11/08, *Joey* <tang.jiyu在gmail.com tang.jiyu在gmail.com> >
> wrote:
>
>     Hi All,
>     使用PIL库
>     import Image
>     big = Image.new('RGB', (160, 160))
>     创建了一张图片，经过一些处理，想要将该图片保存下来。
>     于是使用
>     big.save('big.png')
>     保存为PNG格式，但是现在有个问题，用这个方法保存的图片，文件大小非
>     常大，
>     不知道PIL是否提供一些函数，在保存PNG文件的时候来控制一些参数，使文
>     件大小能比较小。
>     非常感谢。
>
>
>     -- 
>     Best Regard,
>     Tang, Jiyu (Joey)
>
>     _______________________________________________
>     python-chinese
>     Post: send python-chinese在lists.python.cn
>     python-chinese在lists.python.cn>
>     Subscribe: send subscribe to
>     python-chinese-request在lists.python.cn
>     python-chinese-request在lists.python.cn>
>     Unsubscribe: send unsubscribe to
>     python-chinese-request在lists.python.cn
>     python-chinese-request在lists.python.cn>
>     Detail Info: http://python.cn/mailman/listinfo/python-chinese
>
>
>
>
> -- 
> -- 
> Vingel
> Blog: http://www.vingel.com
> ------------------------------------------------------------------------
>
> _______________________________________________
> python-chinese
> Post: send python-chinese在lists.python.cn
> Subscribe: send subscribe to python-chinese-request在lists.python.cn
> Unsubscribe: send unsubscribe to  python-chinese-request在lists.python.cn
> Detail Info: http://python.cn/mailman/listinfo/python-chinese

[导入自Mailman归档：http://www.zeuux.org/pipermail/zeuux-python]

刘培

0楼 2008年01月14日星期一 23:49

leopay leopay在gmail.com
星期一一月 14 23:49:04 HKT 2008

ImageMgickºÜºÃºÜÇ¿´ó



On 1/14/08, Fluke <fluke.l在gmail.com> wrote:
>
> Èç¹ûÄãµÄ»·¾³Ã»Ê²Ã´ÏÞÖÆµÄ»°£¬Ö±½Óµ÷imagemagickÓ¦¸Ã¸üºÃ°Ñ¡£ÀïÃæÓÐ×ª»»ºÍ¿Ø
> ÖÆÑ¹Ëõ±ÈµÄ¹¦ÄÜ¡£
>
> Vingel Lai wrote:
> > PNGÕâÖÖ¸ñÊ½»ù±¾Ã»ÓÐÀàËÆjpgÄÇÖÖÑ¹Ëõ±ÈµÄ·½Ê½¡£
> >
> > Èç¹ûÊ¹ÓÃjpg£¬µ¹ÊÇÓÐÒ»¸ö save(quality= 100) µÄÑ¡Ïî¡£
> >
> > On 1/11/08, *Joey* <tang.jiyu在gmail.com tang.jiyu在gmail.com> >
> > wrote:
> >
> >     Hi All,
> >     Ê¹ÓÃPIL¿â
> >     import Image
> >     big = Image.new('RGB', (160, 160))
> >     ´´½¨ÁËÒ»ÕÅÍ¼Æ¬£¬¾¹ýÒ»Ð©´¦Àí£¬ÏëÒª½«¸ÃÍ¼Æ¬±£´æÏÂÀ´¡£
> >     ÓÚÊÇÊ¹ÓÃ
> >     big.save('big.png')
> >     ±£´æÎªPNG¸ñÊ½£¬µ«ÊÇÏÖÔÚÓÐ¸öÎÊÌâ£¬ÓÃÕâ¸ö·½·¨±£´æµÄÍ¼Æ¬£¬ÎÄ¼þ´óÐ¡·Ç
> >     ³£´ó£¬
> >     ²»ÖªµÀPILÊÇ·ñÌá¹©Ò»Ð©º¯Êý£¬ÔÚ±£´æPNGÎÄ¼þµÄÊ±ºòÀ´¿ØÖÆÒ»Ð©²ÎÊý£¬Ê¹ÎÄ
> >     ¼þ´óÐ¡ÄÜ±È½ÏÐ¡¡£
> >     ·Ç³£¸ÐÐ»¡£
> >
> >
> >     --
> >     Best Regard,
> >     Tang, Jiyu (Joey)
> >
> >     _______________________________________________
> >     python-chinese
> >     Post: send python-chinese在lists.python.cn
> >     python-chinese在lists.python.cn>
> >     Subscribe: send subscribe to
> >     python-chinese-request在lists.python.cn
> >     python-chinese-request在lists.python.cn>
> >     Unsubscribe: send unsubscribe to
> >     python-chinese-request在lists.python.cn
> >     python-chinese-request在lists.python.cn>
> >     Detail Info: http://python.cn/mailman/listinfo/python-chinese
> >
> >
> >
> >
> > --
> > --
> > Vingel
> > Blog: http://www.vingel.com
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
> > python-chinese
> > Post: send python-chinese在lists.python.cn
> > Subscribe: send subscribe to python-chinese-request在lists.python.cn
> > Unsubscribe: send unsubscribe to  python-chinese-request在lists.python.cn
> > Detail Info: http://python.cn/mailman/listinfo/python-chinese
>
> _______________________________________________
> python-chinese
> Post: send python-chinese在lists.python.cn
> Subscribe: send subscribe to python-chinese-request在lists.python.cn
> Unsubscribe: send unsubscribe to  python-chinese-request在lists.python.cn
> Detail Info: http://python.cn/mailman/listinfo/python-chinese
-------------- 下一部分 --------------
Ò»¸öHTML¸½¼þ±»ÒÆ³ý...
URL: http://python.cn/pipermail/python-chinese/attachments/20080114/6edb6696/attachment.htm

[导入自Mailman归档：http://www.zeuux.org/pipermail/zeuux-python]

请登录后回复。还没有在Zeuux哲思注册吗？现在注册！