I think I originally bought ImageLib back with D5 myself. At the
time, as I seem to remember, I was just learning my first lessons on imaging
and some had recommended it to me. But it is the ONLY library I've ever
bought that doesn't come with source code, and even though it's still
useable...since the D7 upgrade...I've always regretted that and the need for
the DLL! I've probably learned as much, if not more, from the source files
in Delphi and packages such as Raize components than from any other source,
( not to be confused with source file(s) )!
from Robert Meek dba Tangentals Design ©Copyright 2006
"When I examine myself and my methods of thought, I come to the conclusion
that the gift of Fantasy has meant more to me then my talent for absorbing
positive knowledge!"
Albert Einstein
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf
Of Irwin Scollar
Sent: Thursday, February 09, 2006 9:53 AM
To: [email protected]
Subject: Image Libraries
Robert Meek wrote:
>Subject: RE: Upgrade to Delphi 2006?
>
>Probably not. If you've got a system setup and working perfectly
>for such a selective area of endeavor and your imaging libraries work well
>with it there's nothing in BDS 2006 to really entice you unless you want to
>explore NET.
I wonder what's in NET that might be useful when
I only need a minimal user interface, menus,
toolbar, MDI and a few standard or home-made
dialog boxes which I often create via the Windows
API calls and bypass the VCL entirely.
>BTW...What libraries are you using for imaging? I've been
>using ImageLib Combo Pak since D7 myself with great success and it compiled
>over for use in 2006 without a single hiccup! The ONLY thing I don't like
>about it is that I have to distribute a runtime DLL with my applications
>that use it.
After a disaster with the abandonment of his user
base by the author of the excellent PGraphic
library which I used with Delphi 3 and 4 but
which offered .dcu's only, I bought ImageLib for
D5 and used it until D7 was announced.
Because it did not have many of the features I
need, was sometimes unstable, plus the need
Robert mentions to append their DLL to all
installations and the fact that source code was
not available or extendable, means that I removed
all traces of ImageLib from my code after D7 appeared.
I now use Imageen VCL with source code from:
www.hicomponents.com
They ask € 149 for the first VCL source code
version including 1 year of updates, then € 35 a
year for updates. The compiled version is only €
49. There are also .NET and ActiveX versions,
but since source code was my main interest, I
know little about them. Imageen's VCL has clear
hooks for user written extensions both for exotic
file formats and for additional processing algorithms.
Imagelib's web pages do not disclose their
pricing and offer a telephone number
accessible in the USA and Canada for sales
enquiries. There is no mention of source code
except for a sample application package called SkyDoc.
The HiComponents suite supports many more file
formats than those in the Imagelib list on their
web page. For serious scientific image processing
with high dynamic range, 48 bit (3x16 bit) and
32bit floating point per pixel are also available
plus many of the RAW formats for a variety of
digital cameras. For who need to deal with very
large images, there is full support for memory
mapped image files. My users have processed
images with more than 1 GB on 2 GB systems with minimal disk activity.
There are also free image libraries for Delphi
(G32 comes to mind) with more limited
capabilities. They can be found on SourceForge or
with a Google search. If one is willing to make
one's own DLL with a C++ compiler, then there are
a staggering number of image packages available
without charge from the Internet including the
very efficient Intel computer vision library and the VXL library.
If one wants to read and process hundreds of
exotic image file formats and write many of them,
then the free GFL SDK from the author of XnView is what I use.
I don't think that the above paragraph covers the
subject, but it should give you some idea as to
what is available either free or at very low cost.
Irwin Scollar
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