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1992-05-06
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This is yet another lens program. I did this after having
written a *VERY* fast magnify routine. It was rather trivial
as you can see by the source code: MKS_Lens.c The Magnify
routine is in Magnify.asm and is as close to optimal as I can
make. (Only 3 lines optimized by CAPE, so there are some, but
CAPE takes care of that...)
To use, just run from the CLI or WorkBench.
The gadgets are:
Bottom-Left: The HashMark: This turns on/off the pixel grid.
The "+": This turns on/off the pointer
crosshairs.
The "F": This turns on/off the "FAST" mode.
In Normal use, the program does a
Delay() between each update. With
"FAST" on, it will do the updates as
quickly as possible...
The "J": This is a "Hack" option and should
be used "At Your Own Risk" What this
does is "JUMP" the lens to the next
screen. Since this goes to ANY screen
and not just PUBLIC screens, this is
not a system-legal operation. Do not
complain if you have problems while
using this option.
Bottom-Right: The +/- gads: These change the magnification factor
in either X or Y. The magnification
factor is limited to the range of
[1,16] (closed interval)
Shift-Clicking on the gadget will change
both X and Y if possible.
(That is: If you Shift-Click the X+
and X can be increased then Y will be
increased)
Keyboard:
Display Lock: F10 or ScrL This locks the lens to the current display
position. Thie makes it possible to move the
mouse and still see the same location on the
display.
Clear Origin: F1 This clears the origin set by the SetOrigin
Set Origin: F2 This sets the current position as the 0,0
origin. This is useful for measurement
and for dealing within window coordinate
space.
/----------------------------------------------------------------------\
| /// Michael Sinz - Senior Amiga Software Engineer |
| /// Operating System Development Group |
| /// BIX: msinz UUNET: rutgers!cbmvax!mks |
|\\\/// |
| \XX/ Quantum Physics: The Dreams that Stuff is made of. |
\----------------------------------------------------------------------/