scalex man page on DragonFly

scalex man page on DragonFly

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Scale ScaleGai.PNG image usingatheifastmimplementationeofcthe Scaleteffects(1)

NAME
       scalex  - Scale a .PNG image using the fast implementation of the Scale
       effects

SYNOPSIS
       scalex [-k N] input.png output.png
DESCRIPTION
       Scale2x, Scale3x and Scale4x are real-time  graphics  effects  able  to
       increase	 the size of small bitmaps guessing the missing pixels without
       blurring the images.

       They were originally developed for the AdvanceMAME project in the  year
       2001  to	 improve the quality of old games running at low video resolu‐
       tions.

       The specification of the algorithm and more details are at:

	   http://scale2x.sourceforge.net
       These command line tools read a .PNG file and write another image  with
       the effects applied.

       The  fast  implementation of the Scale effects is used. It imposes some
       limitations of the type of the image usable. Specifically :
       ·      Only the pixel sizes of 1, 2 and 4 bytes are supported.  If  the
	      image has another pixel size it´s automatically converted.

OPTIONS
       -k N, --scale N
	      Select  the  scale  factor. Available values are 2, 2x3, 2x4, 3,
	      and 4.

COPYRIGHT
       This file is Copyright (C) 2003, 2004 Andrea Mazzoleni

      Scale a .PNG image using the fast implementation of the Scale effects(1)

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