Index » PageStream Support » Linux » halftone bitmap printing.
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2010-04-07 13:04:35 CT #1
admfubar
From: Unknown
Registered: 2011-11-19
Posts: 198

Thought I may have found a solution to getting halftone graphics for use in pagestream, by having pagestream save a document as a bitmap.
PGS doesnt seem to be generating a halftone of the document when i use the save to bitmap option for printing.

Is this a bug or is it not the intent to output a file that way? or something else?


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2010-04-12 13:03:29 CT #2
Deron Kazmaier
From: United States
Registered: 2006-01-29
Posts: 4639

When PageStream generates a bitmap, it generates a 32bit CMYK/ 24bit RGB
or 8 bit Gray bitmap. Sorry, no halftone output! Some of the older
dotmatrix/inkjet printer drivers we wrote on the Amiga generated
halftone/dither patterns but that has never been implemented in the
bitmap rendering to other devices.

I'm betting you could use Ghostscript to render these bitmaps with a
halftone, or output postscript from PageStream and let ghostscript build
a screened bitmap. Just depends on what you are trying to do.

Deron

> Thought I may have found a solution to getting halftone graphics for use in pagestream, by having pagestream save a document as a bitmap.
> PGS doesnt seem to be generating a halftone of the document when i use the save to bitmap option for printing.
>
> Is this a bug or is it not the intent to output a file that way? or something else?
>
>
>


--
Deron Kazmaier - support@pagestream.org
Grasshopper LLC Publishing -http://www.pagestream.org
PageStream
DTP for Amiga, Linux, Macintosh, and Windows


2010-04-12 18:25:07 CT #3
admfubar
From: Unknown
Registered: 2011-11-19
Posts: 198

so those options are just leftovers from the amiga days, and not currently supported directly. Sad waaaaa
Razz


On Mon, 12 Apr 2010 15:03:29 -0400, PageStream Support <deron@pagestream.org> wrote:

> When PageStream generates a bitmap, it generates a 32bit CMYK/ 24bit RGB
> or 8 bit Gray bitmap. Sorry, no halftone output! Some of the older
> dotmatrix/inkjet printer drivers we wrote on the Amiga generated
> halftone/dither patterns but that has never been implemented in the
> bitmap rendering to other devices.
>
> I'm betting you could use Ghostscript to render these bitmaps with a
> halftone, or output postscript from PageStream and let ghostscript build
> a screened bitmap. Just depends on what you are trying to do.
>
> Deron
>
>> Thought I may have found a solution to getting halftone graphics for use in pagestream, by having pagestream save a document as a bitmap.
>> PGS doesnt seem to be generating a halftone of the document when i use the save to bitmap option for printing.
>>
>> Is this a bug or is it not the intent to output a file that way? or something else?
>>
>>
>>
>
>


--
Using Opera's revolutionary e-mail client:http://www.opera.com/mail/

2010-04-12 20:08:06 CT #4
Don Jungk
From: Unknown
Registered: 2008-12-19
Posts: 26

On Monday April 12 2010 5:25 pm, AdmFubar wrote:
> so those options are just leftovers from the amiga days, and not currently
> supported directly. Sad waaaaa
>
> Razz

Hi adam,
I see you didn't get a way to do it through PageStream. If you need a halftone
image of an entire PageStream page, I can't help much. But if you want to
place a few halftone images on the pages and print them, this might work.

For an instruction piece about halftones, I once took images into Photoshop
and made halftones with a screen ruling of about 6 dots per inch and placed
them on pages in QuarkXpress so people could see the halftone patterns. I
haven't tried printing a 1-bit bitmap through pageStream, but if it works,
you could use Photoshop to produce the halftone graphics.

Don Jungk

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