Paint Shop Pro Canvas Size

I seriously don't think this can be done, but you guys have amazed me before.

In Paint Shop Pro (ver. 8), I am constantly having to mathematically calculate the canvas size so that the image fits into the 8x12 format.

Con this somehow be done automatically, with a macro.  Or, if it's not possible in Paint Shop Pro, can you do it in another software package.

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brundoConnect With a Mentor Commented:
In PSP 8 there is checkbox Lock aspect ratio which should be checked, and value 1.5 should be in the field under the check box. After that, you should only input width or height.

Image placement should be centered.

Disclaimer: I have no access to PSP8 now :-(, but I've found a screenshot of new Canvas size dialog box which show me there is a field  Lock aspect ratio.
You can enter canvas size e.g. 80 x 120, lock the aspect ratio, and then change the acpect ratio to desired size.

Actually, what are you doing? A new image or do you crop exixting one?

Do you need a specific resolution?
I have PSP 7 professional  and PSP 8 no it's not possible.
 still have to manually specify Dimensions’ and ‘Image Placement’.
there is no miracles as yet sorry.
you could add a border to it?
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Ray PaseurCommented:
Photoshop can do this math for you.  I have only an old copy of PSP7, and it cannot.  So here is what I did...

I normally print at 300DPI, so I took my various regular print sizes and made a cheat card.

5x7 = 1500x2100
8x10 = 2400x3000
8x12 = 2400x3600

When I want to reduce 5x7 into the standard size of baseball cards, I simply double the density to 600DPI.

Not very scientific, but effective and after a couple of months, I had all the dimensions memorized.  HTH, ~Ray
hrolsonsAuthor Commented:
My dpi's are all over the place, so that won't work for me.  In another thread I'm working on it looks like this may be achieved with the help of PHP.
Ray PaseurCommented:
One option might be to start and minimize a window with Excel running in it.  The dimensional calculation is like Ohm's Law -- not very difficult.  There are three variables.  Fix any two and the third is determined.

Are you integrating PHP and PaintShopPro?  That would be an interesting challenge!
hrolsonsAuthor Commented:
Ray, there are so many choices for Photoshop.  I basically need it to do this, and a 1 push-button optimize picture feature.
Ray PaseurCommented:
Whatever "optimize picture" means ;-)
Hrolsons, is the aspect ratio of your picture correct for printing in 8x12 (in portrait mode)?

Find width and height of your picture and divide height by width - is your result equal 12/8 = 0.75?

If yes, you should only optimize picture... if not, you should crop it.
hrolsonsAuthor Commented:
I can't crop it, I fill the extra space with black.

If my picture is 3010x2278 I use the equation:

x/2278=12/8 and solve for x to get 3417/2278.  I would like the program to do this for me.
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