Richard,
I am sorry I have not replied sooner. I'm glad you sorted out the
problem!
Remember, if there are any cool images you'd like to show the word,
just tell me, and we might add them to the PNGwriter Examples section
of the website.
Cheers!
Paul
On 1 Aug 2006, at 09:54, Richard Andrews wrote:
> Hello again!
>
> Problem is solved. I suspect it was a problem with the way I was
> instantiating
> the baseWriter.
>
> The version shown below is the one that works and differs in that I
> no longer
> use the default constructor to instantiate the basewriter pointer.
> Could that
> have been the cause of the problem?
>
> Anyway, I now have blended png's and am very happy :)
>
> Thanks again for a great library!
>
> Cheers
>
> Rich
>
> ++++++++++++++++++++++++++++++++++
> ...
> // read the base file
> string baseFilename = destinationDir + "/" + base + ".png";
> pngwriter* baseWriter;
> ifstream baseFile(baseFilename.c_str());
> if (baseFile) {
> baseWriter = new pngwriter(1,1,0,(destinationDir +
> "/.tmp.png").c_str());
> baseWriter->readfromfile(baseFilename.c_str());
> } else {
> baseWriter = new pngwriter(w, h, 0, baseFilename.c_str());
> string desc = "Target: " +
> base.substr(base.find_last_of("/")+1);
> baseWriter->settext("GGG Cumulative Topology", "Richard
> Andrews",
> desc.c_str(), "BeGA");
> }
> baseFile.close();
> ...
>
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