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<<GV>> ver. 0.58x or ver.0.57
Author: Tamotsu Tobita
NIFTY:PBC02026 TOBITA
JUNET:tobita@rigi.tis.toshiba.co.jp
NIKKEIMIX : tobita
Copyright (c) 1992 by Tamotsu Tobita. All rights reserved.
Translation of the document: Masafumi Matsuda
NIFTY:PAG01265 (FQLD)
PCVAN:BQJ68494 (QLD-SIG)
CompuServe:74060,1265
This utility is a viewer of graphic files under the operation of MS Windows.
You will find this very useful especially when you use a high resolution
display.
GV057.ZIP contains GV057.EXE, README.JPN and README.ENG. README.JPN is the
original documentation written by Japanese. If you have a DOS/V by IBM or
a Toshiba T series personal computer with "JSYS", you can display README.JPN
properly.
You may change the name GV057.exe to GV.exe in your personal use.
Since "GV.exe" is a kind of common name, please identify this program by
the icon. Please take care not to erase any previous 'GV.exe' file, if
exists. (GV could be short for 'Gazou Vi (Beautifulness of the pictures)'.)
>Features
1. A graphic file viewer on Windows
2. This program changes palettes, when viewing 16 color data file, on VGA
(IBM-PC compatible) or on PC9801 by option.
3. Graphic formats include most prevalent graphic formats used in Japanese
computer networks, including GIF and JPEG format. And more in the near
future (^_^;).
4. Comments added to graphics are also shown.
Among them, #2 enable you to enjoy real colors, even if you are using fixed
palette environment like VGA or PC9801. (You know that under usual
circumstances, 16 color palettes are fixed in Windows. However this program
changes the palette.)
>CPU
This program was compiled by Borland C++ using PC9801.
The operation was confirmed by the following computers:
IBM-PC compatible with VGA, SVGA
PC-9801RA2
J-3100 SGT Windows ver.3.0
PC-H98
PS/55Z XGA
FM TOWNS model SF
>How to use
( GV for GV057.exe )
GV [<CPU opt.> | /FP | /PG <Pager> | /UC | /EXT=<TYPE> | /JFAST] [<DataFile>]
<CPU opt.>:
{ /98 | /98N | /98E | /98E0 | /98EA | /GA | /VGA }
<TYPE>:
{ MAG | MKI | Q4 | JPG | GIF | XBM | X | BMP | ALL }
Please start this program from Windows. You may select options from the
menu given by this program later. Also you may start this program associated
with the graphic file by giving the name of <DataFile>.
>Graphic formats
1. MAG: MAKI02 format developed by Maki-chan NET
2. MAKI: MAKI01A, MAKI01B format developed by Maki-chan NET
3. Q4: Q4 format developed on PCVAN and NIFTY by the QLD-group
4. JPEG: JFIF format by JPEG
5. GIF: GIF format developed on CompuServe.
6. XBM: Bit map format used in X Windows
7. X: Modifed XBM format developed by JUNET
8. BMP: Bit map format used in MS Windows
9. Automatic mode: Identifying the format by the suffix shown above
Details of the display of the formats
MAG
Partial pictures are displayed as follows:
1) When no pictures are shown before the partial picture, it is shown
normally.
2) When the number of planes of the color is different from that of
the picture shown before, it is shown normally.
3) When the specified position is out of the range of the picture shown before,
it is shown at the position where normally displayed.
4) Otherwise, the partial picture data is displayed at the specified position
on the previous picture as a mixed graphics.
Q4
BAT file included in the Q4 graphic data is neglected.
JPEG
JFIF data format is displayed.
This software is based in part on the work of the Independent JPEG Group.
The following modes are optional:
1) Color reduction mode (1PASS/2PASS)
2) Dithering (on/off)
3) Number of reduced color (256/16)
4) CPU (386 or more/ less)
GIF
GIF87a and GIF89a(one file one graphic only) formats are displayed.
Basically GIF87a is the format that this program supports.
The Graphics Interchange Format(c) is the Copyright property of
CompuServe Incorporated. GIF(sm) is a Service Mark property of
CompuServe Incorporated.
BMP
Depend on the window versions, the color shown might be different. (For
example, NEC Windows and EPSON Windows even used on the same computer,
give you different results.)
This program didn't correct these differences.
>Other features
Basically this program is only used to show the graphic data. This program
doesn't support the picture format conversion. Besides this program can
do more on graphics displayed.
1) Copy/Paste with Clipboard (DIB,Bitmap)
2) Right or left rotation
3) Linked display with multiple graphic data
4) Automatic window size adjustment
5) Information of comments on the graphics data
6) Display of the document file
7) Display of the information of environment
Copy/Paste
Copy to the clip board is based on the copy of both DIB and Bit mapped
formats simultaneously. You may paste using DIB (prior) or Bit mapped
formats.
Link
When you want to link the graphic data next to the picture already shown,
you may use this feature. The size of the picture should fit to the
size of the previous picture already shown. When you want to add the
picture to the left side, you should remember that the horizontal size of
the picture has limitation. You may use this feature especially when you
display several Q4 formatted data files.
Auto adjustment of the size
To adjust the window size on the available screen size, you may use this
feature. This feature is useful especially after the rotation or the
movement.
Comment display
Information on the graphic data are shown. These include data size,
number of colors and comments appeared in the header of the graphic file
(header in MAG format, /*comment*/ in XBM format).
Document display
Document written on the DOC or Q4D file on the same directory can be
shown using "notepad.exe" etc. (you may specify it.) When you link
several graphics, the common part is used as the name of the document
file.
>More options
I am sorry! You find the forbidden options that depend on the machines.
1) PC98(N) (/98, /98N)
When the graphic data consist of 16 colors (palettes) and are shown in
the active window, palettes are chosen from 4096 colors. You should
use this option when you use PC9801 and NEC Windows.
2) PC98(E.0) (/98E, /98E0)
When the graphic data consist of 16 colors (palettes) and are shown in
the active window, palettes are chosen from 4096 colors. You should
use this option when you use PC9801 and EPSON Windows ver.3.0.
(The palettes used in EPSON Windows are different from those of NEC Windows.)
3) PC98(E.A) (/98EA)
When the graphic data consist of 16 colors (palettes) and are shown in
the active window, palettes are chosen from 4096 colors. You should
use this option when you use PC9801 and EPSON Windows ver.3.0A.
(The palette used in EPSON Windows differ between the versions.)
4) GA1024i (/GA)
When the graphic data consist of 16 colors (palettes) and are shown in
the active window, palettes are chosen from 16 million colors. You should
use this option when you use PC9801 and GA1024i under fixed palette
window driver.
5) VGA (/VGA)
When the graphic data consist of 16 colors (palettes) and are shown in
the active window, palettes are chosen from 262144 colors. You should
use this option when you use IBM-PC VGA.
(The color adjustment may not good in this version.)
6) OTHERS (default)
Under this default option, graphics data are shown dependent to the
graphic driver used in the windows.
7) Fixed Palette (/FP)
The above modifications of palettes information are good only when the
picture is in active window. However when this option is on, the
information of palettes is good when the picture is not in active
window.
Other options are good in every machine.
8) Pager option for document display (/PG<pager>)
Please specify the name of the program which is used to display the
document file with path name. Default is "notepad.exe".
9) Re-drawing option when non-active (/UC)
When this option is on and GV.exe is in non-active window, this option
forces the re-drawing of the picture by adjusting the colors as truly as
possible.
10) Setting the default file type (/EXT=<TYPE>)
This option determine the graphic data file type at the beginning of this
program. <TYPE> can be the format which this program support and ALL.
When you don't select this option, the <TYPE> is MAG.
11) JPEG fast drawing (/JFAST)
When this option is selected, the reduction of the colors to 256 colors
are done by 1 PASS. This enables fast drawing but the reproducibility of
color becomes less.
>BUG
Please inform the bugs to the author.
>Limitations
Some features of this program have not been well tested. Please send the
report to the author when you try them.
1. MAKI01B 8color 200line format
2. Auto judgement of CPU (286 or not)
This program does not paste the logical palettes. Therefore data exchange
might be in failure, when the application does not copy the DIB to clip
board.
The drawing speed of JPEG graphic data is a kind of slow (;_;).
>Modifications in the next version
The following modifications are under consideration for the next version.
Please give the advice.
1. quicker depicting of JPEG graphic data (if possible)
2. PIC format (please give me more information m(o)m )
3. PI format (please give me more information, too m(o)m )
4. GIF89a format
5. graphic data selection from keyboard
6. Modification to the graphics (sharpness, brightness etc.)
Any graphics format in which the author is interested will be added to this
list soon.
>COPYRIGHT
Please keep the following instructions:
1) Don't change the copyright information. The author, Tamotsu Tobita,
reserves all rights.
2) You can freely distribute this software by BBS. However you should
keep in mind the followings:
a) Distribute as the original is.
b) Don't forget to distribute the document together. When you re-
distribute this program, I will appreciate your notice.
c) Don't ask any money for this software.
d) If you want to distribute this software for the commercial purpose,
please contact the author before.
3) The author is not responsible for any damages caused through the usage
of this program. Therefore it is your responsibility to use this
program. The author dose not have any responsibility to fix the bug.
The author does not have any responsibility for version up.
>Acknowledgment from the author
I really appreciate Mr.Woody RINN who kindly showed me the documents of
MAG and MAKI format (MAGBIBLE, MKBIBLE). Without these documents I could
not start to make this program. Please distribute this program to MAKI-
chan NET.
Thank you for the GIF87 documents made by Mr.Shindou (SHU). This document
is really a comprehensive explanation of GIF format.
Mr YUIPO was kind enough to help me to test palette manager.
The information of Q4 format is obtained from XLD45.exe (XLD45.c) written
by MAJYO. Thank you for this information, Mr Yuuichi (SYSOP of FQLD1 in
NIFTY SERVE).
I would like to express my thanks to those who contributed the information
of bugs and suggestions in FGALAV and FQLD forums.
Please give the author the information of the bugs or advises. I would like
to develop better version of this program.
Tamotsu Tobita
NIFTY:PBC02026 TOBITA
JUNET:tobita@rigi.tis.toshiba.co.jp
NIKKEIMIX : tobita
(You may send an electric mail to JUNET from CompuServe.)
>Environment for development
PC-9801RA2(memory 3MB)
GA-1024i(high resolution board)
CR-5500
MS-DOS ver.5.0
MS-Windows v.3.0A
display driver (1024x768 256 colors variable) v.1.20
Borland-C++ v.3.0
WXII-Win V1.10
FJ editor v.0.99d
WXII+ v.2.00F
>History of modifications (version up)
V.0.58 1992/09
adjusted for VGA well
V.0.57 1992/08/05
fixed some bugs of options
V.0.57 1992/07/23 TEST version for USA CIS
added the feature of enlargement and shrinking of the picture
English mode
adjusted to the initialization file
correction of the aspect ratio
added more formats of JPEG which can be displayed
switches to Japanese/English mode according to WIN.INI information
auto-decision of 286CPU
Default of ful color machine became Others
consideration of non-preemptive multitask (in part)
fixed the bug which reserved wrong spaces for display of Q4 info.
V.0.56a 1992/07/01
fixed bugs of menu check
fixed bugs of command line option input
V.0.56 1992/06/27
added JPEG format
added VGA option
added the option to change the data type at the beginning
added the feature to link graphics
improved to display Q4 format using RGB palette file.
added to display more information on Q4 format (date and RGB file
information)
added OS/2 bitmap format
improved the acceptance of the name of document files at the
multiple graphic display using link option.
fixed the bug that occurred at showing some Q4 files.
fixed the bug that could not set the name of the document file when
data file was pointed
fixed the bug that occurred at the rotation of the picture which
had odd number of line or row.
V.0.55a 1992/06/03
added the option for EPSON Windows ver.3.0A
V.0.55 1992/06/01
added Q4 format
added link feature
added and improved the auto adjustment of window size and its
algorithm
partial GIF89a display enabled
added the feature to read documents
added the feature to re-draw the non-active windows
improved the timing to change the logical palette
improved the menu structure
fixed the bug that occurred when XBM file does not have cr at the end.
V.0.54 1992/05/12
completed the action with palette manager
added MAKI format
added the option for EPSON Windows (PC98(E)) officially
added the PC98 palette options
added the feature that adjust the window side
changed the name of window to show the file name instead of GV
added the CPU information with MAG data
fixed the bug that induced malfunction to show MAG file without
comments
fixed the bug that displayed wrongly the partial picture of MAG
fixed the bug that skipped to read extended block of GIF file
fixed the bug that worked wrongly with interlaced GIF file
fixed the bug that occurred with 8 color files
fixed the bug that calculated the wrong size of bit map size
V.0.53 1992/04/11
accepted GIF87a graphic format
enable to display partial save MAG graphic data
fixed the bug with 8 color display of MAG again.(_o_).
fixed the bug that hide the files without archive attributions
changed the timing of the change of PC98 palette at the multiple
graphics display
added the option for GA1024i
added the option for EPSON Windows (PC98(E))
tested the palette manager
V.0.52a 1992/04/05
fixed the bug that erase the comments at rotation.
fixed the bug that took the wrong number of the palette with PC98
fixed the bug with 8 color display of MAG digital graphics
V.0.52 1992/04/03
fixed the bug that kept open the resources
added the capability of rotation to left/right
V.0.51 1992/03/31
added PC98 options
sending DIB and logical palette information to clip board
V.0.50 1992/03/20
First version