Displaying 1 result from an estimated 1 matches for "tk2ascii".
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ps2ascii
2002 Mar 14
1
gif, jpeg and png image files reader AND tcltk image
...gt; x.data <- tkcmd(x, "data")
gives you the data for the image, but is in a format internal to tcltk. But
then it turns out
that the format is very straightforward to understand: the enclosed simple
function decodes
the format and returns a matrix for the data,
> x.data.ascii <- tk2ascii(x.data)
Then we are done! (This function currently only deals with red color
channel, but expansion to other 2 are very straightforward.)
On a related note, I have earlier posted a message to ask about whether one
can directly paint an image matrix to a tcltk canvas, the answer is no. One
has to...