Subject:
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Re: LPub mask generation
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Newsgroups:
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lugnet.cad.dev
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Date:
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Mon, 20 Sep 2004 16:52:53 GMT
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Viewed:
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1749 times
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In lugnet.cad.dev, Kevin L. Clague wrote:
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If you’re interested, LDView has two C++ classes that together allow you to
write a PNG via libpng. They have the advantage of being much easier to use
that libpng itself. Take a look in the LDView source at TCImage.{h,cpp}
and TCPngImageFormat.{h,cpp}. They might even compile without
modification; they definitely compile in Linux and Visual Studio.
LDView source can be downloaded from here:
http://home.san.rr.com/tcobbs/LDView/Downloads.html
--Travis
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Hi Travis,
I’ve downloaded LDview, and gotten libpng and zlib built under C++ Builder.
What classes do you have for reading and writing PNG files based on libpng.
I’d like to give them a look.
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Both classes are in the TCFoundation directory: TCImage and TCPngImageFormat.
To use them directly, you’ll also need TCObject and TCAutoreleasePool. However,
the only thing they use out of there that I know of is my reference counting
stuff, so you should be able to make both into base classes, move the code in
dealloc into the destructors, and make the destructors public.
--Travis
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Message has 1 Reply:
 | | Re: LPub mask generation
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| I forgot a few things. First of all, you'll also need the TCImageFormat class. Second, in TCImage, you'll need to comment out the line that looks like so (unless you want to use my TCBmpImageFormat class): addImageFormat(new TCBmpImageFormat, true); (...) (20 years ago, 21-Sep-04, to lugnet.cad.dev)
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Message is in Reply To:
| | Re: LPub mask generation
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| (...) Hi Travis, I've downloaded LDview, and gotten libpng and zlib built under C++ Builder. What classes do you have for reading and writing PNG files based on libpng. I'd like to give them a look. Thanks, Kevin (20 years ago, 20-Sep-04, to lugnet.cad.dev)
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