Re: [Gimp-user] Rotate increases PNG size x10 !

2010-06-23 Thread Chris Mohler
On Wed, Jun 23, 2010 at 5:30 PM, Leon Brooks wrote: > If the image is text or something else essentially > monochrome Or image->mode, bitmap, 1-bit palette should drastically reduce the file size. I suspect that the 'line art' setting in xsane is producing a grayscale image but with each pixel e

Re: [Gimp-user] Rotate increases PNG size x10 !

2010-06-23 Thread Leon Brooks
On Thu, 24 Jun 2010 06:04:57 am Branko Vukelic wrote: > On Wed, Jun 23, Philip Rhoades wrote: >> What is going on with these size increases? > It may be that after rotation, pixels that were > otherwise the same color got anti-aliased and were > slightly different color. This would increase the >

Re: [Gimp-user] Rotate increases PNG size x10 !

2010-06-23 Thread Branko Vukelic
On Wed, Jun 23, 2010 at 8:07 PM, Philip Rhoades wrote: > What is going on with these size increases? It may be that after rotation, pixels that were otherwise the same color got anti-aliased and were slightly different color. This would increase the image size. Can you show us the original scan?

[Gimp-user] Rotate increases PNG size x10 !

2010-06-23 Thread Philip Rhoades
People, I used: xsane-0.997-3.fc12.x86_64 to scan an A4 page at 300dpi in LineArt mode and got a file of: 325,668 t_xsane.png I then edited it using: gimp-2.6.8-1.fc12.x86_64 rotating the image by -0.7 and cropping slightly - the resulting image was 10 times