[sane-devel] OS X Firewire support
--gKMricLos+KVdGMg Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Aug 12, 2003 at 03:46:45PM +0200, Guy Brooker wrote: =20 Hi, =20 I've almost completed testing of a patch to sane_scsi.c which supports the IOKit SCSI Architecture Model API. Very cool stuff! I need to complete some testing, and to tidy up the code a little beofre I post it, but before I do, can someone point me to some information on wha= t I need to do to prepare and submit a patch to SANE ? I am sure I came across some documentation on the subject last week, but I can't find it via the standard web site anymore. (I'm sure it is staring me in the face!) I don't know if there is a specific document but you have a choice. 1. Use diff to work out the differences between the base version and your c= hanges 2. Or just post the code and how to make it work. If it's verified by a developer with CVS access, they can just commit it for you. But posting allows other people to test, which is always a good thing. Remember, make sure the code is readable and clear. Document any sections not obvious. Some poor schmoe might need to debug it later :) --=20 Martijn van Oosterhout klep...@svana.org http://svana.org/kleptog/ All that is needed for the forces of evil to triumph is for enough good men to do nothing. - Edmond Burke The penalty good people pay for not being interested in politics is to be governed by people worse than themselves. - Plato --gKMricLos+KVdGMg Content-Type: application/pgp-signature Content-Disposition: inline -BEGIN PGP SIGNATURE- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQE/OQJ2Y5Twig3Ge+YRAg7+AKDRHfAoko8kFYZdHR5ofzPMv3it8wCgshVD 6c6SOkL1z6dgIax/6gbHijg= =MhSr -END PGP SIGNATURE- --gKMricLos+KVdGMg--
[sane-devel] How to increase the Color
This is a multi-part message in MIME format. --=_NextPart_000_0017_01C36180.54B804C0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable HI all, Im using UMAX 2000p scanner and Im writing a frontend, how can i = increase or decrease the color. I have noticed an options = gamma-table,red-gamma-table,blue-gamma-table and green-gamma-table which = has a size of 1024 each with value range 0 to 255. Do I have to assign = all the SANE_Word with the expected value(ie all the 1024/SANE_Word ). = Will it be enough if I assign the value only to the gamma-table or do i = have to assign the values to all the red,blue and green gamma-tables. Thanks Aneesh --=_NextPart_000_0017_01C36180.54B804C0 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable !DOCTYPE HTML PUBLIC -//W3C//DTD HTML 4.0 Transitional//EN HTMLHEAD META http-equiv=3DContent-Type content=3Dtext/html; = charset=3Diso-8859-1 META content=3DMSHTML 6.00.2800.1106 name=3DGENERATOR STYLE/STYLE /HEAD BODY bgColor=3D#ff DIVFONT face=3DArial size=3D2HI all,/FONT/DIV DIVFONT face=3DArial size=3D2Im using UMAX 2000p scanner and Im = writing a=20 frontend, how can i increase or decrease the color. I have noticed an = options=20 gamma-table,red-gamma-table,blue-gamma-table and = green-gamma-tablenbsp;which=20 has a size of 1024 each with value range 0 to 255. Do I have to assign = allnbsp;=20 the SANE_Word with the expected value(ie all the 1024/SANE_Word ). Will = it be=20 enough if I assign the value only to the gamma-table or do i have to = assign the=20 values to all the red,blue and green gamma-tables./FONT/DIV DIVFONT face=3DArial size=3D2Thanks/FONT/DIV DIVFONT face=3DArial size=3D2Aneesh/FONT/DIV/BODY/HTML --=_NextPart_000_0017_01C36180.54B804C0--
[sane-devel] How to increase the Color
On Wed, Aug 13, 2003 at 09:50:30AM +0530, aneesh m raj wrote: HI all, Im using UMAX 2000p scanner and Im writing a frontend, how can i increase or decrease the color. I have noticed an options gamma-table,red-gamma-table,blue-gamma-table and green-gamma-table which has a size of 1024 each with value range 0 to 255. Do I have to assign all the SANE_Word with the expected value(ie all the 1024/SANE_Word ). Will it be enough if I assign the value only to the gamma-table or do i have to assign the values to all the red,blue and green gamma-tables. Thanks Aneesh Hello, gamma tables are 256 SANE_Int values wide, and values must range from 0 to 255. The gamma-table is for grey scans, and the three others for color scans. So you'll have to assign values according to the scan you are doing. The default gamma tables are fine, and you can get good scans without using gamma tables. Regards, Stef
[sane-devel] Information about new EPSON Scanner Perfection 1670
Quite funny, I already got one request this morning from a guy in Australia who ordere= d the 1660 and got the 1670... If it's similar (by means of the chipset) to the 1260, then it should be = no big deal to support this scanner with the plustek backend... Ciao Gerhard On Mittwoch, 13. August 2003 02:45, Karl Heinz Kremer wrote: The new EPSON Perfection 1670 is not and will not be supported by the EPSON backend. It's design seems to be similar to the Perfection 1260, which is supported by the Plustek backend. I have not seen this new scanner, so I don't know if it really falls into the same category as the Perfection 1670. The /proc/bus/usb/devices output looks similar (at least it has an interrupt endpoint): E: Ad=3D81(I) Atr=3D03(Int.) MxPS=3D 2 Ivl=3D256ms T: Bus=3D01 Lev=3D01 Prnt=3D01 Port=3D05 Cnt=3D01 Dev#=3D 2 Spd=3D480= MxCh=3D 0 D: Ver=3D 2.00 Cls=3Dff(vend.) Sub=3Dff Prot=3Dff MxPS=3D64 #Cfgs=3D = 1 P: Vendor=3D04b8 ProdID=3D011f Rev=3D 1.07 S: Manufacturer=3DEPSON S: Product=3DEPSON Scanner C:* #Ifs=3D 1 Cfg#=3D 1 Atr=3Dc0 MxPwr=3D100mA I: If#=3D 0 Alt=3D 0 #EPs=3D 3 Cls=3Dff(vend.) Sub=3Dff Prot=3Dff Driv= er=3Dusbscanner E: Ad=3D81(I) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D02(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D83(I) Atr=3D03(Int.) MxPS=3D 8 Ivl=3D4096ms I already know of one unlucky customer who thought because the model number was similar than the 1660, it would work the same way. Karl Heinz ___ Sane-devel mailing list sane-de...@www.mostang.com http://www.mostang.com/mailman/listinfo/sane-devel
[sane-devel] Information about new EPSON Scanner Perfection 1670
THis is not a coincidence: That's the same guy, and I told him that he had a better chance to get his scanner to work if he gets in touch with you :-) It looks like Epson is selling these new devices first in Australia. Here in the US they are still marked as not available on the EPson web page. Don't know what the situation in Europe is. Karl Heinz Quite funny, I already got one request this morning from a guy in Australia who ordered the 1660 and got the 1670... If it's similar (by means of the chipset) to the 1260, then it should be no big deal to support this scanner with the plustek backend... Ciao Gerhard On Mittwoch, 13. August 2003 02:45, Karl Heinz Kremer wrote: The new EPSON Perfection 1670 is not and will not be supported by the EPSON backend. It's design seems to be similar to the Perfection 1260, which is supported by the Plustek backend. I have not seen this new scanner, so I don't know if it really falls into the same category as the Perfection 1670. The /proc/bus/usb/devices output looks similar (at least it has an interrupt endpoint): E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=256ms T: Bus=01 Lev=01 Prnt=01 Port=05 Cnt=01 Dev#= 2 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=ff(vend.) Sub=ff Prot=ff MxPS=64 #Cfgs= 1 P: Vendor=04b8 ProdID=011f Rev= 1.07 S: Manufacturer=EPSON S: Product=EPSON Scanner C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=100mA I: If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=usbscanner E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=83(I) Atr=03(Int.) MxPS= 8 Ivl=4096ms I already know of one unlucky customer who thought because the model number was similar than the 1660, it would work the same way. Karl Heinz ___ Sane-devel mailing list sane-de...@www.mostang.com http://www.mostang.com/mailman/listinfo/sane-devel ___ Sane-devel mailing list sane-de...@www.mostang.com http://www.mostang.com/mailman/listinfo/sane-devel
[sane-devel] Re: Coolscan 2 and autofocus
[I'm also replying to the SANE mailing list, please send questions like this to that list in the first place.] I have a Nikon LS-2000 (Super Coolscan 2000) that I'm trying to get working with SANE. It will not autofocus properly. The driver sends the focus command and the scanner makes focusing noises for a while, but then the driver gets back 0. Looking at the actual data returned from the scanner in s-recv_buf, it is 13 nulls. Any idea what the problem is? That's weird. I've had reports from at least one LS-2000 user who says the scanner works fine, including AF, so this is interesting. AF is performed in three steps in coolscan2 -- the first two cause the scanner to autofocus, the third reads the focus position back. I guess you're talking about the third command when you refer to recv_buf. Thus it seems that your scanner performs AF properly, but then fails to send the resulting focus position back to the computer, if I understand what you're saying. Have you tried scanning with manual focus to see whether that works? Finally, what SCSI controller do you use? Also, do you have documentation on the scanner? I would like to help out with driver development and fixing bugs like this but lack any documentation apart from the user manual. I have, but it's under an NDA, so I can't distribute it. Andras === Major Andras e-mail: and...@users.sourceforge.net www:http://andras.webhop.org/ ===
[sane-devel] How to increase the Color
stef wrote: gamma tables are 256 SANE_Int values wide, and values must range from 0 to 255. The gamma-table is for grey scans, and the three others for color scans. So you'll have to assign values according to the scan you are doing. The default gamma tables are fine, and you can get good scans without using gamma tables. well, the size of the gamma table and the the range of the allowed values depend on the backend and on the scanner. For a scanner with a 10 bit ADC it is reasonable to use a table with 1024 entries. Some other scanner with a 12 bit ADC may map 12 bit input value to 12 bit output values, so that the table has 4096 entries where each value may be in the range 0...4095 Abel
[sane-devel] Option not active
On Wed, Aug 13, 2003 at 05:03:47PM +0530, aneesh m raj wrote: Hi all, Im trying to set the red-gamma-table option for a UMAX 2000p scanner but SANE_OPTION_IS_ACTIVE return false,I have changed the mode to Color. what will be the problem. Thanks Aneesh As given by 'scanimage --help -d umax_pp:/dev/parport0' : Options specific to device `umax_pp:/dev/parport0': Scan mode: -- --mode Lineart|Grayscale|Color [Grayscale] Selects the scan mode (e.g., lineart,monochrome, or color). --resolution 75..1200dpi [75] Sets the resolution of the scanned image. --preview[=(yes|no)] [no] Request a preview-quality scan. --preview-in-gray[=(yes|no)] [no] Request that all previews are done in monochrome mode. On a three-pass scanner this cuts down the number of passes to one and on a one-pass scanner, it reduces the memory requirements and scan-time of the preview. Geometry: -- -l 0..5100pel [0] Top-left x position of scan area. -t 0..7000pel [0] Top-left y position of scan area. -x 0..5100pel [5100] Width of scan-area. -y 0..7000pel [7000] Height of scan-area. Enhancement: -- --lamp-control[=(yes|no)] [yes] Sets lamp on/off --UTA-control[=(yes|no)] [inactive] Sets UTA on/off --custom-gamma[=(yes|no)] [inactive] Determines whether a builtin or a custom gamma-table should be used. --gamma-table 0..255,... Gamma-correction table. In color mode this option equally affects the red, green, and blue channels simultaneously (i.e., it is an intensity gamma table). --red-gamma-table 0..255,... Gamma-correction table for the red band. --green-gamma-table 0..255,... Gamma-correction table for the green band. --blue-gamma-table 0..255,... Gamma-correction table for the blue band. --manual-channel-brightness[=(yes|no)] [no] Color channels brightness settings --gray-brightness 0..15 [inactive] Sets gray channel brightness --red-brightness 0..15 [inactive] Sets red channel brightness --green-brightness 0..15 [inactive] Sets green channel brightness --blue-brightness 0..15 [inactive] Sets blue channel brightness --manual-contrast[=(yes|no)] [no] Color channels contrast settings --gray-contrast 0..15 [inactive] Sets gray channel contrast --red-contrast 0..15 [inactive] Sets red channel contrast --green-contrast 0..15 [inactive] Sets green channel contrast --blue-contrast 0..15 [inactive] Sets blue channel contrast So --custom-gamma must be set to yes before setting gamma table. Regards, Stef
