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October 14th, 2019, 04:07 AM
#1
png decoding
Hallo,
I am trying to decode the png format, but the result is not correct.
Anyone knows how to do that? It is applied the paeth algorithm, which is a combination of the byte above, the byte on the left and the upper left byte, but the reconstruction is not correct.
Thank you
Isabella
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October 14th, 2019, 06:53 AM
#2
Re: png decoding
Did you consider using CImage Class?
Victor Nijegorodov
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October 15th, 2019, 06:03 AM
#3
Re: png decoding
Originally Posted by VictorN
The problem is that the bytes of the image are form a pdf file. in this file, the bytes are encoded using png rules, so with these bytes i am not able to build the image, i have to decompress them before, it seems.
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October 15th, 2019, 06:33 AM
#4
Re: png decoding
And how do you get/read these bytes from a "pdf file"?
Victor Nijegorodov
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