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 CAD / Development / 9870
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Subject: 
Re: LPub mask generation
Newsgroups: 
lugnet.cad.dev
Date: 
Mon, 20 Sep 2004 03:31:06 GMT
Viewed: 
4620 times
  
In lugnet.cad.dev, Travis Cobbs wrote:
> In lugnet.cad.dev, Kevin L. Clague wrote:
> > LPub is written in Borland C++ Builder, which is the C++ version of Delphi.  The
> > programing language is different, but the libraries are the same.
> > 
> > I'd like Alpha channel, instead of binary bitmap, because it might provide some
> > help with transparent parts and backdrop images.
> > 
> > I'll give it a whirl.
> 
> 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

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



Message has 1 Reply:
  Re: LPub mask generation
 
(...) 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, (...) (22 years ago, 20-Sep-04, to lugnet.cad.dev, FTX)

Message is in Reply To:
  Re: LPub mask generation
 
(...) 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 (...) (22 years ago, 16-Sep-04, to lugnet.cad.dev)

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