Hi,
we are just testing a standard webcam to be used as a digital
magnifier for visually impaired users. Such gadget could be very
useful, as many low vision users need such device, but those
commercially available are Windows only and mostly very expensive.
We tested common Genius webcam with manual focus feature using Cheese,
however, there are no features needed for this kind of users (supplied
by my visually impaired sister):
- inverse color mode
- color profiles (eg. yellow text on blue background - simple runs in
BW mode only and replaces black with yellow and white with blue)
- guiding lines (can provide some screenshots)
- and some others

WxCam, which looked very promising, is not possible to install on my
sisters laptop (Sysinfo output attached) running Vinux 2.0. Are there
any plans for such features? Maybe, they could be just added to Cheese
or WxCam. In my opinion, this could help a lot of users as the price
of the webcams is much lower and no additional payment for commercial
software would be needed.

regards

Helios
System information report, generated by Sysinfo: 1.1.2011 22:45:35
http://sourceforge.net/projects/gsysinfo

SYSTEM INFORMATION
        Running Ubuntu Linux, the Ubuntu 10.04 (lucid) release.
        GNOME: 2.30.2 (Ubuntu 2010-06-25)
        Kernel version: 2.6.32-27-generic (#49-Ubuntu SMP Wed Dec 1 23:52:12 
UTC 2010)
        GCC: 4.4.3 (i486-linux-gnu)
        Xorg: unknown (10 November 2010  11:25:26AM) (10 November 2010  
11:25:26AM)
        Hostname: HP550
        Uptime: 0 days 11 h 29 min

CPU INFORMATION
        GenuineIntel, Intel(R) Celeron(R) CPU          550  @ 2.00GHz
        Number of CPUs: 1
        CPU clock currently at 1994.940 MHz with 1024 KB cache
        Numbering: family(6) model(22) stepping(1)
        Bogomips: 3989.88
        Flags: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat 
pse36 clflush dts acpi mmx fxsr sse sse2 ss tm pbe nx lm constant_tsc up 
arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl tm2 ssse3 cx16 xtpr 
pdcm lahf_lm

MEMORY INFORMATION
        Total memory: 994 MB
        Total swap: 2544 MB

STORAGE INFORMATION
        SCSI device -  scsi0
                Vendor:  TSSTcorp 
                Model:  CDDVDW TS-L632N  
        SCSI device -  scsi2
                Vendor:  ATA      
                Model:  WDC WD1600BEVT-6 

HARDWARE INFORMATION
MOTHERBOARD
        Host bridge
                Intel Corporation Mobile GME965/GLE960 Memory Controller Hub 
(rev 0c)
                Subsystem: Hewlett-Packard Company Device 3618
        PCI bridge(s)
                Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 
03)
                Intel Corporation 82801H (ICH8 Family) PCI Express Port 2 (rev 
03)
                Intel Corporation 82801H (ICH8 Family) PCI Express Port 5 (rev 
03)
                Intel Corporation 82801 Mobile PCI Bridge (rev f3) (prog-if 01)
        USB controller(s)
                Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #4 
(rev 03)
                Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2 
(rev 03) (prog-if 20)
                Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 
(rev 03)
                Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 
(rev 03)
                Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 
(rev 03)
                Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 
(rev 03) (prog-if 20)
        ISA bridge
                Intel Corporation 82801HEM (ICH8M) LPC Interface Controller 
(rev 03)
                Subsystem: Hewlett-Packard Company Device 3618
        IDE interface
                Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) IDE Controller 
(rev 03) (prog-if 8a [Master SecP PriP])
                Subsystem: Hewlett-Packard Company Device 3618

GRAPHIC CARD
        VGA controller
                Intel Corporation Mobile GME965/GLE960 Integrated Graphics 
Controller (rev 0c)
                Subsystem: Hewlett-Packard Company Device 3618

SOUND CARD
        Multimedia controller
                Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 
03)
                Subsystem: Hewlett-Packard Company Device 3618

NETWORK
        Network controller
                Broadcom Corporation BCM4312 802.11b/g (rev 01)
                Subsystem: Hewlett-Packard Company Device 137d
        Ethernet controller
                Intel Corporation 82562GT 10/100 Network Connection (rev 03)
                Subsystem: Hewlett-Packard Company Device 30d8
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