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- ToyViewer Ver.2.4 (Oct. 1996)
- Copyright (C) 1995,1996 Takeshi Ogihara
-
- Abstract
- 1. ToyViewer can read and display image files in following formats:
- tiff, eps, gif, bmp, png, jpg, bie(jbig), pcx, pcd,
- pnm (ppm, pbm, or pgm), xbm, and mag.
- 2. Displayed images can be saved in following formats:
- tiff, eps, gif, bmp, png, jpg, bie(jbig), pnm, or xbm.
- 3. ToyViewer can read and write gif or png files with transparent color,
- and also can read and write interlaced(progressive) gif, png, or jpg
- files.
- 4. ToyViewer can scan (auto-display) image files in a folder.
- 5. Displayed images can be scaled (enlarge/shrink).
- 6. You can rotate, flip, or clip images.
- 7. ToyViewer has ability to adjust brightness/contrast of the image, to
- enhance edges, and to make embossing effects.
- 8. You can replace specified color with other color or transparent color.
- 9. Full color images can be reduced into 256, 64, or 8 colors.
- 10. You can make images monochrome (8bit gray, 2bit gray, or bilevel).
- 11. Images can be displayed on background of the Workspace as "wallpaper".
- 12. Images can be printed.
- 13. You can set ToyViewer to display any image format if there is a filter
- program to ppm.
- 14. ToyViewer provides image conversion filter services. Any image format
- can take advantage of filter service if there is a filter program to ppm
- format.
- 15. You can add comments to images (comments are written into only gif,
- png, jpg, or pnm formats).
-
- --- Copyright ----------------
-
- Copyright of this software (including source programs, documents, and
- images) belongs to the author, Takeshi Ogihara.
-
- This software includes some fragments from other free software; Copyright
- of these parts belongs to the original authors.
-
- This software is freeware. You may freely copy and redistribute it.
- Permission is granted to modify the source for your own purposes. But
- DON'T redistribute modifications without this copyright notice and a
- declaration of modification.
-
- There is absolutely no warrantee on this software. The author takes no
- responsibility for any damage caused by this software.
-
- Caution: Some companies may claim copyright of image formats. For
- commercial purposes, use this software at your own risk.
-
- Send suggestions and bug reports to: ogihara@seg.kobe-u.ac.jp
-
-
- "In the case of software, patents can stifle innovation and economic
- growth that benefits us all."(M.Nelson & J.L.Gailly)
-
- -------------------
-
- -------ToyViewer uses following programs-------
- Background.m
- based on "Background"
- by Scott Hess and Andreas Windemut (1991) [PDS]
- BMP reading routines
- partially based on
- "bmptoppm" by DaviD W. Sanderson (1992) and
- "CzView 2.20" by Y.Sasaki (1994).
- GIF reading routines
- use "giftoppm" of David Koblas (1990).
- GIF saving routines
- use "ppmtogif" of Jef Poskanzer (1989).
- djpeg & cjpeg
- Copyright (C) 1991-1995, Thomas G. Lane.
- Part of the Independent JPEG Group's software.
- They are modified to use with ToyViewer.
- jbigtopbm & pbmtojbig
- JBIG-KIT (Version 0.9)
- Markus Kuhn (1996).
- hpcdtoppm Ver.0.6
- Copyright (c) 1992-1994, Hadmut Danisch
- MAG reading routines
- partially based on
- "CzView 2.20" by Y.Sasaki (1994) and
- "MAGLV 1.20" by H.Takada (1993).
- PCX reading routines
- partially based on "pcxtoppm.c" by Michael Davidson (1990).
- PNG reading routines (png2pao)
- based on "pngtopnm" (2.31) by A. Lehmann & W. van Schaik.
- PNG writing routines (pao2png)
- partially based on
- "tiff2png" by Willem van Schaik, Singapore (1996).
- PNG routines use:
- libpng 1.0 beta 3 - version 0.89 (1996)
- by Guy Eric Schalnat, Group 42, Inc.
- 'zlib' general purpose compression library version 1.0.4 (1996).
- by Jean-loup Gailly and Mark Adler.
- Filterservice routines
- partially based on
- McFilter (GIFFilter.m) v2.0 by Michael McCulloch (1993).
-
- Thank you.
-