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I want to create a simple 'picture frame' macro that will take an image
file as its parameter and return a nicely framed picture, however I
can't see any way to get the size of the picture, they're resized to 1pu
x 1pu.
Is there any way to do this? Or do I need to specify the size in my
parameters?
Cheers!
Rick Measham
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Rick Measham <rickm*at%isite.net.au> wrote:
> Is there any way to do this?
Not with the current povray.
> Or do I need to specify the size in my parameters?
That's probably the only way.
--
- Warp
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news:4344c476@news.povray.org...
> Rick Measham <rickm*at%isite.net.au> wrote:
> > Is there any way to do this?
>
> Not with the current povray.
I'm far from an expert in pic files formats but isn't there a way to extract
image size from the image header?
A SDL macro could be very usefull (at least to automate image ratio)
Marc
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Marc Jacquier <jac### [at] wanadoo fr> wrote:
> I'm far from an expert in pic files formats but isn't there a way to extract
> image size from the image header?
Not with the current SDL.
--
- Warp
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Maybe, if you can read .ini file directry.
You can get many parameters from .ini file, I think.
Y.Tanabe
Kobe,Japan
Warp wrote:
> Not with the current SDL.
>
> --
> - Warp
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news:43457FD7.C6D3E94E@kh.rim.or.jp...
> Maybe, if you can read .ini file directry.
> You can get many parameters from .ini file, I think.
>
Yes but in this case it is for an "input" image i.e. for an image_map for
example and not an output image
Marc
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Dear Marc
I'm sorry I mistook a topic.
May I remeber for treating with input image by SDL as follows.
But this sample is not my original and I can not remember original writer.
Anyway I attach sample file.
Would you please arrange for technoflux.inc.
Marc Jacquier wrote:
> Yes but in this case it is for an "input" image i.e. for an image_map for
> example and not an output image
> Marc
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Attachments:
Download 'iso-2022-jp' (8 KB)
Download 'iso-2022-jp' (1 KB)
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"Rick Measham" <rickm*at%isite.net.au> wrote in message
news:434475e4$1@news.povray.org...
>I want to create a simple 'picture frame' macro that will take an image
> file as its parameter and return a nicely framed picture, however I
> can't see any way to get the size of the picture, they're resized to 1pu
> x 1pu.
>
> Is there any way to do this? Or do I need to specify the size in my
> parameters?
>
> Cheers!
> Rick Measham
Here's a macro to do it. It scans the centre lines of the image looking for
the smallest dot it can find, so it can make mistakes with some images if
they're made up of large blocks of color, ie if the centre lines don't hit a
pixel sized color change.
To change the image type you'll need to update the macro, as I couldn't get
it to work as a variable. It's currently set to 'jpeg'. For bmp use 'sys'.
Takes about a second to scan a 640x480 image.
Hope it's useful,
Regards,
Chris B.
Post a reply to this message
Attachments:
Download 'detectimagesize.pov.txt' (4 KB)
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On Thu, 06 Oct 2005 10:55:00 +1000, Rick Measham <rickm*at%isite.net.au>
wrote:
> I want to create a simple 'picture frame' macro that will take an image
> file as its parameter and return a nicely framed picture, however I
> can't see any way to get the size of the picture, they're resized to 1pu
> x 1pu.
>
> Is there any way to do this?
If you do not mind to use patched version then such feature is available in
MegaPOV (as long as I understand you correctly).
See http://megapov.inetart.net/manual-1.2.1/expressions.html#images_sizes
ABX
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ABX wrote:
> If you do not mind to use patched version then such feature is available in
> MegaPOV (as long as I understand you correctly).
I bet you could do it with SDL for images in PPM format.
--
Darren New / San Diego, CA, USA (PST)
Neither rocks nor slush nor salted rims
shall keep us from our appointed rounds.
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