ReadImage() works on an already-open window, but open() let's you read an
image as part of
window initialization.
The way I most often check this is by opening a hidden window via
tmp := open(..., "g", "canvas=hidden", "image="||filename)
and then read its WAttrib() width and height.
There might be a utility library procedure that returns these dimensions.
One reason that .jpg and .png file format support is underdocumented is that
I don't believe they are finished -- they seem to work on some platforms
with some images, and produce incorrect renderings on some platforms with
some images. I look forward to the day when they are fully debugged.
Clint
On Tue, Aug 30, 2011 at 6:28 AM, David Gamey <[email protected]> wrote:
> Hi Folks,
>
> I was looking through the docs on ReadImage() and related. I was wondering
> if there is an easy way to determine the exact window size needed for an
> image?
>
>
> It seems to require having a window of the right size open.
>
>
> BTW. I noticed it seems to handle more file types than originally
> documented. I had to look in one of TR's to discover it supports jpg.
>
> David
>
>
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