[dvipdfmx] bug with inclusion of a PNG

[Shunsaku Hirata]

Hexdump output does not indicate the presence of sRGB.
I also think ImageMagick just reports sRGB color space inferred
from gAMA and cHRM chunks.

Thanks,
Shunsaku Hirata

2021年1月14日(木) 1:04 Philip Taylor <P.Taylor at hellenic-institute.uk>:
>
> Paulo Ney de Souza wrote:
>
> Philip,
>
> But "identify" from ImageMagic says it is there:
>
>  identify -verbose A.png
>  ....
>   Colorspace: sRGB
>  ....
>
> The specification further says:
>
> An application that writes the sRGB chunk should also write a gAMA chunk (and perhaps a cHRM chunk) for compatibility with applications that do not use the sRGB chunk. In this situation, only the following values may be used:
>
>
> In that case, is it possible that ImageMagick is inferring the sRGB color space from the explicit presence of the gAMA and cHRM chunks ?  Amd where can one find a complete PNG disassembler ?!
>
> Philip Taylor