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BoBo
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 Posted: Tue Oct 05, 2004 8:30 pm Post subject: WhatColor v4.60e - A Must For ColorBlinds Using PC. |
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Registration fee of WhatColor is US$8.00 
I'm sure with AHK's PixelGetColor/ToolTip/... someone could offer an equivalent for free 
Eh, is there any standard naming convention for colours ?
WhatColor v4.60e [more...] |
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BoBo
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Wingfat
Joined: 23 Aug 2004
Posts: 193
Location: East Bay, California USA
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| Posted: Tue Oct 05, 2004 9:44 pm Post subject: |
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| sweet BoBo!!! that is a nice link there! |
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BoBo
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| Posted: Tue Oct 05, 2004 10:06 pm Post subject: |
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For German speaking colourblinds
Liste nach folgendem Muster (Link): z.B. antiquewhite|Antikweiß|#FAEBD7
Someone knows ho to "translate"/convert AHK's PixelGetColor-Outputvar to its assigned HexCode (to be able to connect it to its "real name") ?
@Wingfat
No big deal. Google for netscape colours and you'll get tons of links |
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BoBo
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| Posted: Tue Oct 05, 2004 10:17 pm Post subject: |
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Last & the least (for today) 
Link: RAL classic Farbnamen
| Quote: | | Das RAL - System (=Reichsangepasste Landesfarbe aus dem Vorkriegs-Deutschland - 1927 !) ist kein eigentliches System, sondern eine willkürliche Sammlung von gebräuchlichen Farben. Die Kommunikation funktioniert dank weiter Verbreitung. |
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Chris
Site Admin
Joined: 02 Mar 2004
Posts: 10465
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| Posted: Tue Oct 05, 2004 11:09 pm Post subject: |
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The Pixel commands use BGR (blue green red) format for their colors, unlike SplashImage and GUI, which use RGB. If you convert a BGR value to hex, that will give you some idea what color it really is: The first two digits are the blue component, the second are the green, and the final two are the red.
I'm planning to change the color format shown by WindowSpy to hex so that it is easier to tell the hue of the color just by looking at it. The two Pixel commands already support hex values should anyone care to use them now. |
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BoBo
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| Posted: Wed Oct 06, 2004 8:34 am Post subject: |
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Perfect. Thx Chris.
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BoBo
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BoBo
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| Posted: Mon Oct 11, 2004 8:27 am Post subject: |
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If I use PixelGetColor on a red pixel it delivers this value: 0xff
Unfortunately that format isn't following a kinda standard (6 chars) which is used to set a colour in HTML/web code.
RGB: 255,0,0 --> Hex: FF0000
BGR: 0,0,255 --> Hex: 0000FF
If I use StringTrimLeft on 0xff to extract --> ff, I still won't be able to match against a list of values cause FF would match C6E2FF (SlateGray) or FFFFFF (Grey) or > 100 other colours as well.
Any idea? Can PGC get fixed to provide the "00" value(s) of a colour as well ? |
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Chris
Site Admin
Joined: 02 Mar 2004
Posts: 10465
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| Posted: Mon Oct 11, 2004 12:54 pm Post subject: |
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| Quote: | Registration fee of WhatColor is US$8.00
I'm sure with AHK's PixelGetColor/ToolTip/... someone could offer an equivalent for free |
Here is a topic that lists several free alteratives, though I'm not sure they each have all the features of WhatColor: http://www.autohotkey.com/forum/viewtopic.php?t=1034 |
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Chris
Site Admin
Joined: 02 Mar 2004
Posts: 10465
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| Posted: Mon Oct 11, 2004 1:12 pm Post subject: |
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| Quote: | | Can PGC get fixed to provide the "00" value(s) of a colour as well ? |
That's a good idea and I've made that change. It will be in the version released tomorrow. Thanks.
| BoBo wrote: | If I use PixelGetColor on a red pixel it delivers this value: 0xff
Unfortunately that format isn't following a kinda standard (6 chars) which is used to set a colour in HTML/web code. |
Perhaps you weren't even proposing a switch from BGR to RGB format, but here are some thoughts about that anyway:
It seems to me that the benefit of switching PixelGetColor and PixelSearch to RGB vs. BGR format is small compared to the cost. The cost is that all exising pixel-using scripts would be broken unless users remembered to add a #UseBGR directive at the top of each such script after upgrading.
If anyone sees some benefit to switching to RGB beyond the consistency/niceness factor, please post it here. For example, if you use PixelGetColor to somehow generate HTML background colors or web page colors, please mention that.
Maybe a poll is in order (switch to RGB vs. leave it alone), though I suspect the results would be biased because forum visitors tend to be heavy users of AutoHotkey and thus do not represent the more typical, casual user.
By the way, I've changed Window Spy to a hopefully more useful layout. Comments are welcome:
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BoBo
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| Posted: Mon Oct 11, 2004 1:50 pm Post subject: |
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Thx Chris. I've added a tool as well to that thread a few secs ago.
Non of those (as I've checked them) provides the "name" of a colour once it has been detected, that what makes it interesting for colour blinds.
AHK's tool tips are perfect. Working like a charm.
But I can't use AHK in this case cause colours like Red won't get statet completely with each of its single values.
In this case its values are R = 255, G = 0, B = 0
As 255 = FF it's not possible to identify against >500 strings if its the R,G or B value.
My matching pattern. Colourname, BGR,RGB(Hex)
black,000,000000
grey,190190190,BEBEBE
DimGrey,105105105,696969
LightGray,211211211,D3D3D3
LightSlateGrey,153136119,778899
SlateGray,144128112,708090
SlateGray1,255226198,C6E2FF
SlateGray2,238211185,B9D3EE
SlateGray3,205182159,9FB6CD
SlateGray4,139123108,6C7B8B
SlateGrey,144128112,708090
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red,00255,FF0000
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BoBo
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| Posted: Mon Oct 11, 2004 1:54 pm Post subject: |
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| Quote: | | That's a good idea and I've made that change. It will be in the version released tomorrow. |
You made my day 
Thx a million.
btw: I don't care if AHK uses BGR<>RGB as I'll convert its values if necessary.
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Chris
Site Admin
Joined: 02 Mar 2004
Posts: 10465
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| Posted: Mon Oct 11, 2004 2:18 pm Post subject: |
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| Quote: | | As 255 = FF it's not possible to identify against >500 strings if its the R,G or B value. |
I'm not sure if this will help you (you may know about it already):
Here is a demo script to extract the individual colors from a BGR value: | Code: | #Persistent
SetTimer, WatchPixel, 100
return
WatchPixel:
MouseGetPos, x, y
PixelGetColor, color, %x%, %y%
SetFormat, integer, hex
Transform, Blue, BitShiftRight, %color%, 16
Transform, Green, BitAnd, %color%, 0x00FF00
Transform, Green, BitShiftRight, %Green%, 8
Transform, Red, BitAnd, %color%, 0x0000FF
SetFormat, integer, d
ToolTip, %color%`nBlue = %Blue%`nGreen = %Green%`nRed = %Red%
return |
Using the extracted color components above, you could range-check each color number to match it to the closest color name. |
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BoBo
Guest
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| Posted: Mon Oct 11, 2004 2:53 pm Post subject: |
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Thx Chris for the script. Much appreciated.
About the concept to use a directive like this: #UseBGR
IMHO that makes sense. 
Creating such kinda directive would provide the option of additional colour formats if once requested/needed. If done now it won't harm definitely less people as if done "the day after tomorrow" (have I ever mentioned that I like that movie ).
I doubt that it wouldn't be a big thing to identify a bunch of scripts for such single line "update", using
Run, %COMSPEC% find "Pixel" C:\*.ahk > C:\MyScriptsUsingAPixelCmd.txt |
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