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img-sun(n) Img img-sun(n) 





NAME


img-sun - Img, Sun Raster Format (sun)






SYNOPSIS


package require Tk 


package require img::sun ?1.4?


image create photo ?name?
  ?options?










DESCRIPTION


package require img::sun.


Like all packages of Img it does not provide new
    commands, but extends the existing Tk command image so that it
    supports files containing raster images in the Sun Raster Format (sun). More
    specifically img::sun extends Tk's photo image
  type.


The name of the new format handler is sun.


The package img::sun is a sub-package of Img. It can
    be loaded as a part of the complete Img support, via package require
    Img, or on its own, via package require img::sun.


This handler provides new additional configuration options. See
    section SUN OPTIONS for more detailed explanations.


All of the above means that in a call like



  

  





  
[1]

  
Image data in sun format (options -data and -file) is
      detected automatically.

  
[2]

  
The format name sun is recognized by the option -format. In
      addition the value for the option is treated as list and may contain any
      of the special options listed in section SUN OPTIONS.








SUPPORTED SUN TYPES






  1-bit pixels: Black and White.


  8-bit pixels: Grayscale or indexed.


 24-bit pixels: True-color (RGB, each channel 8 bit).


 32-bit pixels: True-color with alpha channel (RGBA, each channel 8 bit).


 List of currently supported features:


 Type   |     Read      |     Write     |


        | -file | -data | -file | -data |


 ----------------------------------------


  1-bit | Yes   | Yes   | No    | No    |


  8-bit | Yes   | Yes   | No    | No    |


 24-bit | Yes   | Yes   | Yes   | Yes   |


 32-bit | Yes   | Yes   | Yes   | Yes   |


 All images types may be either uncompressed or run-length encoded.









SUN OPTIONS


The handler provides the following options:



  

  
This option is supported for reading and writing.
    
If set to true, additional information about the
        loaded/stored image is printed to stdout. Default is false.

  

  

  
This option is supported for writing only.
    
Set the compression mode to either none or rle.
        Default is rle.

  

  

  
This option is supported for reading and writing.
    
If set to false, a matte (alpha) channel is ignored
        during reading or writing. Default is true.

  








SEE ALSO


img-bmp, img-dted, img-flir, img-gif, img-ico, img-intro,
    img-jpeg, img-pcx, img-pixmap, img-png, img-ppm, img-ps, img-raw, img-sgi,
    img-sun, img-tga, img-tiff, img-window, img-xbm, img-xpm






KEYWORDS


image handling, sun, tk






COPYRIGHT


Copyright (c) 1995-2023 Jan Nijtmans <nijtmans@users.sourceforge.net>








  

    1.4
    img-sun