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support zTXt chunk (PNG) #11

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valnoel opened this issue Apr 17, 2013 · 3 comments
Open

support zTXt chunk (PNG) #11

valnoel opened this issue Apr 17, 2013 · 3 comments
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enhancement prio:minor

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@valnoel
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valnoel commented Apr 17, 2013

http://www.libpng.org/pub/png/spec/1.2/PNG-Chunks.html
@valnoel
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valnoel commented Apr 17, 2013

Added chunks but unsupported :
bKGD (colorType dependent)
vpAg (specified ?)
zTXt (unknown length)
tRNS (colorType dependent)
iTXt (unknown length)
sBIT (colorType dependent)
tEXt (unknown length)

Other :
iCCP (specified ?)
sPLT (specified ?)
sRGB (specified ?)
sTER (specified ?)

@valnoel
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valnoel commented Apr 17, 2013

PLTE (RGB combination along chunkLength : specification parsed chunkLength times)

@valnoel valnoel mentioned this issue Apr 18, 2013
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@valnoel
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valnoel commented Dec 27, 2013

Update after commit 0791ae8 :

bKGD : OK
vpAg : No, does not seem to be standard ??
zTXt : OK
tRNS : OK
iTXt : OK
sBIT : OK
tEXt : OK
iCCP : OK
sPLT : OK
sRGB : OK
sTER : No, is it standard ?

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@valnoel