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imagestudio.txt
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1995-02-14
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Short: Image processing/conversion program v1.0.1
Author: Andy Dean and Graham Dean
Uploader: adean@eleceng.ucl.ac.uk
Type: gfx/conv
This document applies to version 1.0.1, written on 16th September
1994, Copyright (C) 1994 Andy Dean, Graham Dean.
Brief description
=================
ImageStudio is written for the casual graphics user who wishes to
convert or manipulate various graphics formats on a modest Amiga
system. There are several commercial offerings available, however the
casual user is paying a lot of money for many facilities and options
they would probably never use.
Bitmap graphics, by their nature, usually require large amounts of
RAM. One of the main objectives of ImageStudio was to reduce this
burden by utilising virtual memory - most users have more spare hard
disk space than spare RAM.
ImageStudio works with several buffers at any one time (dependant on
how many levels of undo are specified), each of these buffers can hold
either colour-mapped or 24-bit images. For a detailed description of
colour-mapped and 24-bit images, See Image types.
Copyright and Disclaimer
========================
No guarantee of any kind is given that the programs described in
this document are 100% reliable. You are using this material at your
own risk. The authors *can not* be made responsible for any damage
which is caused by using this program.
The unregistered package is freeware, but still copyright by Andy
Dean and Graham Dean. This means that you can copy it freely as long as
you don't ask for a more than nominal copying fee.
The registered version of the program *may not* be freely
distributed.
Permission is granted to include the unregistered package in
Public-Domain collections, especially in the excellent Fred Fish Amiga
Disk Library (including CD ROM versions of it). The distribution file
may be uploaded to Bulletin Board Systems or FTP servers. If you want
to distribute this program you must use the original distribution
archive ImageStudio.lha.
This program (or parts of it) may not be included or used in
commercial programs unless by written permission from the authors.
Machine requirements
====================
ImageStudio requires the following system to run:
* Workbench 2.04 or above.
* Around 1 megabyte of free memory.
* Several megabytes of free hard disk space.
If ImageStudio is run on an AGA machine (A1200 or A4000), it will
use the new display modes and palette routines to improve the quality
of the internal viewer images.
List of features
================
General:
* Full 24-bit image buffers, with optimizations for colour-mapped
(palette based) images.
* Up to 100 levels of undo / redo.
* User configurable virtual memory.
* User saveable preferences.
* Operations applicable to the whole image or a selected region.
* Up to 256 greyshade preview window (with optional dither).
* Zoom on preview window.
* Internal / external viewers (external for 3rd party 24-bit
graphics cards).
* Loading / saving / manipulating of AGA image formats (e.g. 256
colours, HAM8) on non-AGA machines.
* Max image size of 32000 x 32000 (limited to 250 x 250 in the
unregistered version).
* Copy / paste to / from the system clipboard.
* Runs on all Workbench 2.04+ Amiga's - utilises AGA chipset if
available.
* On disk AmigaGuide and ASCII text documentation.
* Multi-level help error requesters.
* Standard Workbench2 interface.
* Public screen.
* Requires no third party libraries or utilities.
Import:
* IFF-ILBM formats (Standard palette based, HAM6, HAM8, extra
halfbright, ILBM24)
* BMP
* GIF (conforming to GIF87a)
* JPEG (conforming to JFIF standard)
* PCX
* Targa
* Any installed Amiga datatype (with Workbench 2.1+)
Export:
* IFF-ILBM formats (Standard palette based, HAM6, HAM8, extra
halfbright, ILBM24)
* BMP
* GIF (conforming to GIF87a)
* JPEG (conforming to JFIF standard)
* PCX
* Targa
Colour Balance:
* All operations are available to the R,G,B components separately.
* Brightness ( upto ±100%)
* Contrast (non to full)
* Gamma ( + and - )
Convolution:
* Built in convolutions: Blur, Sharpen, Emboss, Raise, Edge detect.
* User definable convolutions, load and save to disk.
Effects:
* Built in effects: FlipX, FlipY, RollX, RollY, Negative, Greyscale,
Highlight, Shadow, Random, Pixelize, Remove isolated pixels.
Scale:
* Crop to selected region.
* Increase / decrease scale by percentage or absolute image size.
* Simple scale or colour averaged.
Colour reduction:
* Increase colour mapped images to 24-bit.
* Decrease number of colours in 24-bit or colour mapped images via
Heckbert median cut algorithm. Reduce to any number of colours
2-256 (not limited to powers of 2).
* Methods of palette colour choice: Colour distance, highest count
and weighted average.
* Dithers available for colour reduction: None, Floyd-Steinberg,
Burkes, Stucki, Sierra, Jarvis, Stevenson-Arce.
Palette:
* Save current palette.
* Force palette onto current image, dithering if necessary (all
dithers available).
Shareware version
=================
To encourage users to register, the freely distributable version of
ImageStudio is limited to loading in pictures upto 250x250 pixels. All
other operations are available.
For details on how to register, See How to register.
The authors
***********
ImageStudio was written by Andy Dean and Graham Dean.
Queries and orders (see How to register) should be sent to Graham at:
Graham Dean,
14 Fielding Avenue,
Poynton,
Stockport,
Cheshire.
SK12 1YX
ENGLAND
Andy can be reached for queries (no orders) via Internet Email at:
adean@eleceng.ucl.ac.uk
ImageStudio HISTORY
~~~~~~~~~~~~~~~~~~~
v1.0.0 - 12/09/94
-----------------
o First release.
v1.0.1 - 16/09/94
-----------------
o No longer dependant on v37+ of the diskfont.library, works fine with
v36 (non-scalable version).
============================= Archive contents =============================
Original Packed Ratio Date Time Name
-------- ------- ----- --------- -------- -------------
632 277 56.1% 12-Sep-94 20:48:12 ImageStudio-1.0.1/Convolves.info
275 162 41.0% 22-Jul-94 17:22:54 ImageStudio-1.0.1/Convolves/Texture
632 279 55.8% 16-Sep-94 14:11:40 ImageStudio-1.0.1/Docs.info
230 156 32.1% 16-Sep-94 14:04:02 ImageStudio-1.0.1/Docs/HISTORY.txt
463 239 48.3% 16-Sep-94 14:01:56 ImageStudio-1.0.1/Docs/HISTORY.txt.info
76317 24240 68.2% 16-Sep-94 14:00:00 ImageStudio-1.0.1/Docs/ImageStudio.guide
468 242 48.2% 16-Sep-94 14:01:56 ImageStudio-1.0.1/Docs/ImageStudio.guide.info
63816 21539 66.2% 16-Sep-94 13:59:08 ImageStudio-1.0.1/Docs/ImageStudio.txt
463 237 48.8% 16-Sep-94 14:01:56 ImageStudio-1.0.1/Docs/ImageStudio.txt.info
5764 2592 55.0% 16-Sep-94 14:03:30 ImageStudio-1.0.1/ImageStudio-1.0.1.readme
463 240 48.1% 13-Sep-94 22:12:02 ImageStudio-1.0.1/ImageStudio-1.0.1.readme.info
319332 125540 60.6% 16-Sep-94 10:16:34 ImageStudio-1.0.1/ImageStudioUNREGISTERED
514 381 25.8% 12-Sep-94 20:48:12 ImageStudio-1.0.1/ImageStudioUNREGISTERED.info
632 278 56.0% 12-Sep-94 20:48:12 ImageStudio-1.0.1/Palettes.info
66 57 13.6% 27-Jun-94 17:53:08 ImageStudio-1.0.1/Palettes/BlackWhite2.palette
108 91 15.7% 23-Jun-94 11:10:40 ImageStudio-1.0.1/Palettes/General16.palette
828 401 51.5% 23-Jun-94 11:31:50 ImageStudio-1.0.1/Palettes/General256.palette
156 110 29.4% 16-Jul-94 10:34:44 ImageStudio-1.0.1/Palettes/Pastel32.palette
72 66 8.3% 23-Jun-94 10:54:06 ImageStudio-1.0.1/Palettes/Workbench4.palette
632 281 55.5% 13-Sep-94 23:24:56 ImageStudio-1.0.1/Pics.info
32424 28620 11.7% 11-Aug-94 22:21:06 ImageStudio-1.0.1/Pics/CheetahFace_250x200.ilbm
40380 37498 7.1% 11-Aug-94 20:00:52 ImageStudio-1.0.1/Pics/ColourFace_200x250RED.ham
64078 16057 74.9% 29-Jul-94 17:39:06 ImageStudio-1.0.1/Pics/FW14B_250x250.bmp
18683 18683 0.0% 29-Jul-94 17:26:58 ImageStudio-1.0.1/Pics/FW14B_250x250.gif
44664 30577 31.5% 24-Jul-94 21:54:30 ImageStudio-1.0.1/Pics/FW14B_250x250.ilbm
8062 1907 76.3% 11-Aug-94 21:57:12 ImageStudio-1.0.1/Pics/HappyFace_240x250.bmp
15563 15563 0.0% 13-Sep-94 22:32:52 ImageStudio-1.0.1/Pics/MacLaren_250x200.jpg
8302 8302 0.0% 17-Sep-94 11:31:40 ImageStudio-1.0.1/Pics/Spitfire_250x200.jpg
75197 57094 24.0% 13-Sep-94 22:27:48 ImageStudio-1.0.1/Pics/Zebra_250x250.pcx
632 278 56.0% 12-Sep-94 20:48:14 ImageStudio-1.0.1.info
-------- ------- ----- --------- --------
779848 391987 49.7% 21-Sep-94 11:31:58 30 files