Re: [Gimp-developer] Saving black/white TIFF with 'CCITT Group 4' encoding

2007-02-13 Thread jernej
On Tuesday, February 13, 2007, 9:57:17, Sven Neumann wrote: > It doesn't take very long if you turn off dithering. Anyway, if there's > a performance problem, then we (or you) should look into fixing it > instead of adding ways to work around it. Perhaps it would be a good > idea to gather some pr

Re: [Gimp-developer] Saving black/white TIFF with 'CCITT Group 4' encoding

2007-02-13 Thread Sven Neumann
Hi, On Mon, 2007-02-12 at 20:09 +0100, Manfred Joerg wrote: > So far so good. What do you think about my idea to add an option to the > threshold tool which allows the user to create an indexed black/white image > instead of a rgb image which only contains black and white pixels? I don't like

Re: [Gimp-developer] Saving black/white TIFF with 'CCITT Group 4' encoding

2007-02-12 Thread Manfred Joerg
Hi Sven, On Monday 12 February 2007 08:38, Sven Neumann wrote: > > 1. It doesn't allow the user to save a rgb image as CCITT Datagroup 3/4 > > even if it contains only black and white pixels. Instead the user has to > > convert the image to indexed mode black/white first. > > That is the intended

Re: [Gimp-developer] Saving black/white TIFF with 'CCITT Group 4' encoding

2007-02-11 Thread Sven Neumann
Hi, On Sun, 2007-02-11 at 19:44 +0100, Manfred Joerg wrote: > I just checked your revised tiff patch. > > 1. It doesn't allow the user to save a rgb image as CCITT Datagroup 3/4 even > if it contains only black and white pixels. Instead the user has to convert > the image to indexed mode blac

Re: [Gimp-developer] Saving black/white TIFF with 'CCITT Group 4' encoding

2007-02-11 Thread Manfred Joerg
Hello Sven, I just checked your revised tiff patch. 1. It doesn't allow the user to save a rgb image as CCITT Datagroup 3/4 even if it contains only black and white pixels. Instead the user has to convert the image to indexed mode black/white first. For my sample image (4048 x 6648 pixels) th

Re: [Gimp-developer] Saving black/white TIFF with 'CCITT Group 4' encoding

2007-02-01 Thread Manfred Joerg
Hi Sven, I'll check it as soon as possible. I won't be able to do that before Monday. I didn't get a notification about your revised patch because I forgot to add my e-mail-address to the distribution list. Manfred On Thursday 01 February 2007 09:34, you wrote: > > I've attached a revised pa

Re: [Gimp-developer] Saving black/white TIFF with 'CCITT Group 4' encoding

2007-02-01 Thread Sven Neumann
Hi, On Thu, 2007-01-25 at 16:16 +0100, Manfred Joerg wrote: > I think that I fixed bug 162119. My patch allows the user to save TIFF images > with CCITT Group 4. The advantage of this file format is that a scanned text > page (600 dpi) takes only 100 KByte. > > The patch is based on version 2.

[Gimp-developer] Saving black/white TIFF with 'CCITT Group 4' encoding

2007-01-25 Thread Manfred Joerg
Hello, I think that I fixed bug 162119. My patch allows the user to save TIFF images with CCITT Group 4. The advantage of this file format is that a scanned text page (600 dpi) takes only 100 KByte. The patch is based on version 2.3.14. I only added the option to the dialog and an error messag