finding pixelchecksum value on screen

[awayne]

I have screen A that has the same black background with text and then i have screen b same text same background but in a different location everything is the exact same i just need to find the checksum value i recorded on screen A in screen B.

any thoughts would be helpful this is on the same computer btw.

[GordonFreeman]

If second monitor is extended the coord is added. here i have two monitors.

First: 1280x800

Second: 1024x768

Results in: 2304x800

Just take a print and ctrl+v on paint and see resolution

I think second monitor start at 1281 But i cannot see how help you.

or is the same monitor? Please explain better

Edited March 29, 2014 by GordonFreeman

[awayne]

this is on the same monitor im working off a laptop here is some code i threw together real fast

#include <MsgBoxConstants.au3>

;make a small rectangle over an area grow it in order to find a pixelchecksum value

$var1 = 20
$var2 = 1
$var3 = 290
$var4 = 15

$findchecksum = PixelChecksum($var1, $var2, $var3, $var4)
$count = 0
Do
   $count += 1
   $var2 += 1
   $var4 += 1
   $findchecksum = PixelChecksum($var1, $var2, $var3, $var4)
Until $findchecksum = 3213030855 or $count > 1000

if $findchecksum = 3213030855 Then
  MsgBox($MB_SYSTEMMODAL, "Find Checksum", "Checksum Coordinates Found!", $var1, $var2, $var3, $var4)
Else
  MsgBox($MB_SYSTEMMODAL, "Find Checksum", "Checksum Coordinates NOT FOUND!!")
EndIf

 

I also know that my value has to match in area from my other value i am using the following

http://www.mathopenref.com/coordrectareaperim.html

Edited March 29, 2014 by awayne

[awayne]

oh my original value the reason for starting with 1 and 15 is the second and fourth coordinate values are 14 in difference so i have to increment by 1 for each as such

thanks to all who reply also not sure if i did the message box for the first condition on if right bc i have yet to meet that condition

[JohnOne]

Starting to feel sorry for you now, cause this is all you post about.

Func _FindChecksum($w, $h, $cksm); width, height, checksum
    For $y = 0 To @DesktopHeight - ($h - 1)
        For $x = 0 To @DesktopWidth - ($w - 1)
            If PixelChecksum($x, $y, $x + $w, $y + $h) = $cksm Then
                Local $aCoords[2] = [$x, $y]
                Return $aCoords
            EndIf
        Next
    Next
    Return SetError(1, 0, 0)
EndFunc   ;==>_FindChecksum

Edited March 29, 2014 by JohnOne

[awayne]

#include <MsgBoxConstants.au3>

$var1 = 20
$var2 = 128
$var3 = 290
$var4 = 142

$findchecksum = PixelChecksum($var1, $var2, $var3, $var4)
$count = 0

Do
   $count += 1
   ;$var1 += 1
   $var2 += 1
   ;$var3 += 1
   $var4 += 1
   $findchecksum = PixelChecksum($var1, $var2, $var3, $var4)
Until $findchecksum = 3666222030 or $count > 1000

if $findchecksum = 3666222030 Then
  MsgBox($MB_SYSTEMMODAL, "Find Checksum", "Checksum Coordinates Found! " & $var1 & "," & $var2 & "," & $var3 & "," & $var4)
Else
  MsgBox($MB_SYSTEMMODAL, "Find Checksum", "Checksum Coordinates NOT FOUND!!")
EndIf

above is working code seems to work if something is in a row/list and if you move the value around this will find it one would have to go up or down so that would be depending on adding or subtracting

[Alexxander]

take a look at fast find it might help

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