Image Pixel Width Limit

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tomczak
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Joined: April 25th, 2009, 12:56 am
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Image Pixel Width Limit

Post by tomczak »

Could I be reminded what is the horizontal image pixel size limit in PWP32 - there was a discussion on it in the past, but I can't find it anymore. Would such limit apply to PWP64 as well?
Maciej Tomczak
Phototramp.com
jsachs
Posts: 4455
Joined: January 22nd, 2009, 11:03 pm

Re: Image Pixel Width Limit

Post by jsachs »

In the latest PWP, there are strict limits on the number of bytes a single image row can occupy in both the 32-bit and 64-bit versions:

32-bit version: 512KB
64-bit version: 4GB

To get the maximum number of pixels per row, divide the above number by the number of bytes per pixel which depends on the image type:

8-bit B&W: 1
16-bit B&W: 2
24-bit Color: 3
48-bit Color: 6

There is no practical limit on the number of rows.
Jonathan Sachs
Digital Light & Color
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