Âèêîðèñòàííÿ ôîðìàòó PNG ó Tux Paint

Tux Paint - Ïðîñòà ïðîãðàìà ìàëþâàííÿ äëÿ ä³òåé.

Copyright 2005 by Bill Kendrick and others
bill@newbreedsoftware.com
http://www.newbreedsoftware.com/tuxpaint/

27 ÷åðâíÿ 2002 - 9 áåðåçíÿ 2005
$Id: PNG.txt,v 1.1 2008/03/02 07:21:04 wkendrick Exp $


Ïðî PNG
----------
  PNG - öå ãðàô³÷íèé ôîðìàò, ÷èÿ íàçâà ðîçøèôðîâóºòüñÿ ÿê Portable Network Graphic (Ïåðåíîñèìà ìåðåæåâà ãðàô³êà). 
  Öå â³äêðèòèé ñòàíäàðò, íå çàõèùåíèé ïàòåíòàìè (íà â³äì³íó â³ä GIF). Öå ôîðìàò ç âèñîêèì ð³âíåì êîìïðåñ³¿ äàíèõ
  (àëå áåç âòðàòè ÿêîñò³, íà â³äì³íó â³ä JPEG, - âòðàòà ÿêîñò³ äîçâîëÿº ðîáèòè ôàéë ìåíøå ðîçì³ðîì,
  àëå ïðèâîäèòü äî âòðàòè ÷àñòèíè äàíèõ ïðè çáåðåæåíí³),
  ç ï³äòðèìêîþ 24-á³òîâîãî êîëüîðó (16,7 ì³ëüéîí³â êîëüîð³â), à òàêîæ
  "àëüôà-êàíàëó" - òîáòî êîæåí ï³êñåë ìîæå ìàòè ð³çíèé ñòóï³íü
  ïðîçîðîñò³. 

  Äëÿ îòðèìàííÿ äîäàòêîâî¿ ³íôîðìàö³¿, â³äâ³äàºòå:  http://www.libpng.org/

  Ö³ îñîáëèâîñò³ (â³äêðèò³ñòü, â³äñóòí³ñòü âòðàòè ÿêîñò³, êîìïðåñ³ÿ äàíèõ, ï³äòðèìêà ïðîçîðîñò³)
  ïðèâåëè äî âèáîðó äàíîãî ôîðìàòó äëÿ Tux Paint.  (ϳäòðèìêà PNG ó Tux Paint
  çàáåçïå÷óºòüñÿ â³äêðèòîþ á³áë³îòåêîþ SDL_Image, à ó íå¿ âçÿòà
  ç á³áë³îòåêè libPNG.)

  ϳäòðèìêà âåëèêî¿ ê³ëüêîñò³ êîëüîð³â äîçâîëÿº âèêîðèñòîâóâàòè ó Tuxpaint ôîòîðåàë³ñòè÷í³
  øòàìïè, à ïðîçîð³ñòü äîçâîëÿº ñòâîðþâàòè ïåíçëèêè âèñîêîãî
  ÿêîñò³. 


ßê ñòâîðèòè PNG
----------------
  Íèæ÷å ïðèâåäåíèé äóæå ñòèñëèé ñïèñîê ñïîñîá³â ñòâîðåííÿ PNG ³
  êîíâåðòàö³¿ ³ñíóþ÷èõ çîáðàæåíü â  PNG.


  Êîðèñòóâà÷àì Linux/Unix
  ----------------
    GIMP
    --------
      ßêíàéêðàùèé ³íñòðóìåíò ñòâîðåííÿ ìàëþíê³â PNG äëÿ âèêîðèñòàííÿ â Tux Paint öå
      GIMP (GNU Image Manipulation Program) - âèñîêîÿê³ñíà
      â³äêðèòà ïðîãðàìà ³íòåðàêòèâíîãî ìàëþâàííÿ ³ ðåäàãóâàííÿ ôîòîãðàô³é. 

      Éìîâ³ðíî, âîíà âæå âñòàíîâëåíà ó Âàø³é ñèñòåì³ Linux. ßêùî í³, òî 
      âîíà íàïåâíî äîñòóïíà íà ³íñòàëÿö³éíîìó äèñêó àáî íà
      ñàéò³, ç ÿêîãî Âè âèêà÷àëè äèñòðèáóòèâ. ²íàêøå: 

        http://www.gimp.org/


    Krita
    -----
      Krita - äîäàòîê äëÿ ìàëþâàííÿ ³ ðåäàãóâàííÿ çîáðàæåííÿ, ùî âõîäèòü â KOffice.

        http://koffice.kde.org/krita/


    NetPBM
    ------
      NetPBM - öå êîëåêö³ÿ â³äêðèòèõ óòèë³ò êîìàíäíîãî ðÿäêà, ùî êîíâåðòóþòü
      ó ³ ç ð³çíèõ ôîðìàò³â, âêëþ÷àþ÷è GIF, TIFF, BMP, PNG ³ áàãàòî ³íøèõ. 

      ÏÐÈ̲ÒÊÀ: Ôîðìàòè NetPBM (Portable Bitmap: PBM,
      Portable Greymap: PGM, Portable Pixmap: PPM, ³ çàãàëüíèé
      Portable Any Map: PNM) íå ï³äòðèìóþòü àëüôà-êàíàë, òàê ùî áóäü-ÿêà
      ³íôîðìàö³ÿ ïðî ïðîçîð³ñòü (íàïðèêëàä, ç ôàéëó GIF) áóäå âòðà÷åíà! Âèêîðèñòîâóéòå GIMP!

      Éìîâ³ðíî, âîíè âæå âñòàíîâëåí³ ó Âàø³é ñèñòåì³ Linux. ßêùî íåìàº, âîíè
      íàïåâíî äîñòóïí³ íà ³íñòàëÿö³éíîìó äèñêó àáî íà
      ñàéò³, ç ÿêîãî Âè âèêà÷àëè äèñòðèáóòèâ. ²íàêøå: 

        http://netpbm.sourceforge.net/


    cjpeg/djpeg
    -----------
      "cjpeg" è "djpeg" - ïðîãðàìè êîìàíäíîãî ðÿäêà, ùî êîíâåðòóþòü ì³æ
      ôîðìàòîì NetPBM Portable Any Map (PNM) òà JPEG.

      Éìîâ³ðíî, âîíè âæå âñòàíîâëåí³ ó Âàø³é ñèñòåì³ Linux (ï³ä Debian 
âîíè äîñòóïí³ ó ïàêåò³ "libjpeg-progs").
      ßêùî í³, âîíè íàïåâíî äîñòóïí³ íà ³íñòàëÿö³éíîìó äèñêó àáî íà
      ñàéò³, ç ÿêîãî Âè âèêà÷àëè äèñòðèáóòèâ. ²íàêøå: 

        ftp://ftp.uu.net/graphics/jpeg/


  Êîðèñòóâà÷àì Windows
  -------------
    The Gimp
      http://www.gimp.org/~tml/gimp/win32/

    Canvas (Deneba)
      http://www.deneba.com/products/canvas8/default2.html

    CorelDRAW (Corel)
      http://www.corel.com/

    Fireworks (Macromedia)
      http://macromedia.com/software/fireworks/
      
    Illustrator (Adobe)
      http://www.adobe.com/products/illustrator/main.html

    Paint Shop Pro (Jasc)
      http://www.jasc.com/products/psp/
    
    Photoshop (Adobe)
      http://www.adobe.com/products/photoshop/main.html

    PIXresizer (Bluefive software)
      http://bluefive.pair.com/pixresizer.htm


  Êîðèñòóâà÷àì Macintosh
  ---------------
    Canvas (Deneba)
      http://www.deneba.com/products/canvas8/default2.html

    CorelDRAW (Corel)
      http://www.corel.com/

    Fireworks (Macromedia)
      http://macromedia.com/software/fireworks/

    GraphicConverter (Lemke Software)
      http://www.lemkesoft.de/us_gcabout.html

    Illustrator (Adobe)
      http://www.adobe.com/products/illustrator/main.html
      
    Photoshop (Adobe)
      http://www.adobe.com/products/photoshop/main.html


Äîäàòêîâà ³íôîðìàö³ÿ
----------
  Íà âåá-ñàéò³ libpng ïðèâåäåíèé ñïèñîê ãðàô³÷íèõ ðåäàêòîð³â òà 
  êîíâåðòîð³â,  ùî ï³äòðèìóþòü ôîðìàò  PNG:

    http://www.libpng.org/pub/png/pngaped.html
    http://www.libpng.org/pub/png/pngapcv.html