Gdip_ImageSearch

;**********************************************************************************
;
; Gdip_ImageSearch()
; by MasterFocus - 02/APRIL/2013 00:30h BRT
; Thanks to guest3456 for helping me ponder some ideas
; Requires GDIP, Gdip_SetBitmapTransColor() and Gdip_MultiLockedBitsSearch()
; http://www.autohotkey.com/board/topic/71100-gdip-imagesearch/
;
; Licensed under CC BY-SA 3.0 -> http://creativecommons.org/licenses/by-sa/3.0/
; I waive compliance with the "Share Alike" condition of the license EXCLUSIVELY
; for these users: tic , Rseding91 , guest3456
;
;==================================================================================
;
; This function searches for pBitmapNeedle within pBitmapHaystack
; The returned value is the number of instances found (negative = error)
;
; ++ PARAMETERS ++
;
; pBitmapHaystack and pBitmapNeedle
;   Self-explanatory bitmap pointers, are the only required parameters
;
; OutputList
;   ByRef variable to store the list of coordinates where a match was found
;
; OuterX1, OuterY1, OuterX2, OuterY2
;   Equivalent to ImageSearch's X1,Y1,X2,Y2
;   Default: 0 for all (which searches the whole haystack area)
;
; Variation
;   Just like ImageSearch, a value from 0 to 255
;   Default: 0
;
; Trans
;   Needle RGB transparent color, should be a numerical value from 0 to 0xFFFFFF
;   Default: blank (does not use transparency)
;
; SearchDirection
;   Haystack search direction
;     Vertical preference:
;       1 = top->left->right->bottom [default]
;       2 = bottom->left->right->top
;       3 = bottom->right->left->top
;       4 = top->right->left->bottom
;     Horizontal preference:
;       5 = left->top->bottom->right
;       6 = left->bottom->top->right
;       7 = right->bottom->top->left
;       8 = right->top->bottom->left
;
; Instances
;   Maximum number of instances to find when searching (0 = find all)
;   Default: 1 (stops after one match is found)
;
; LineDelim and CoordDelim
;   Outer and inner delimiters for the list of coordinates (OutputList)
;   Defaults: "`n" and ","
;
; ++ RETURN VALUES ++
;
; -1001 ==> invalid haystack and/or needle bitmap pointer
; -1002 ==> invalid variation value
; -1003 ==> X1 and Y1 cannot be negative
; -1004 ==> unable to lock haystack bitmap bits
; -1005 ==> unable to lock needle bitmap bits
; any non-negative value ==> the number of instances found
;
;==================================================================================
;
;**********************************************************************************

/* Gdip_ImageSearch_Wait by MilliMeter
 - Không hoạt động ở các cửa sổ như: chrome,... Do dùng Gdip_BitmapFromHWND để chụp cửa sổ bị che khuất
*/

 /*;Example
CoordMode,Mouse,Window
f1::

pos:=Gdip_ImageSearch_Wait(WinExist("ahk_exe Garena.exe"),A_Desktop "\h1.png")
MouseMove,% pos[1],% pos[2]

return

Esc::ExitApp
*/

Gdip_ImageSearch_Wait(WinHwnd,Image)
{
    Loop
    {
        pToken:=Gdip_Startup()
        bmpHaystack := Gdip_BitmapFromHWND(Winhwnd)
        bmpNeedle := Gdip_CreateBitmapFromFile(Image)
        RET := Gdip_ImageSearch(bmpHaystack,bmpNeedle,LIST)
        addx:=Round(Gdip_GetImageWidth(bmpNeedle)/2)
        addy:=Round(Gdip_GetImageHeight(bmpNeedle)/2)
        Gdip_DisposeImage(bmpHaystack)
        Gdip_DisposeImage(bmpNeedle)
        Gdip_Shutdown(pToken)
    }until (List<>"")
    pos:=StrSplit(list,",")
    xp:=pos.1+addx ,yp:=pos.2+addy
    return [xp,yp]
}

Gdip_ImageSearch(pBitmapHaystack,pBitmapNeedle,ByRef OutputList=""
,OuterX1=0,OuterY1=0,OuterX2=0,OuterY2=0,Variation=0,Trans=""
,SearchDirection=1,Instances=1,LineDelim="`n",CoordDelim=",") {

    ; Some validations that can be done before proceeding any further
    If !( pBitmapHaystack && pBitmapNeedle )
        Return -1001
    If Variation not between 0 and 255
        return -1002
    If ( ( OuterX1 < 0 ) || ( OuterY1 < 0 ) )
        return -1003
    If SearchDirection not between 1 and 8
        SearchDirection := 1
    If ( Instances < 0 )
        Instances := 0

    ; Getting the dimensions and locking the bits [haystack]
    Gdip_GetImageDimensions(pBitmapHaystack,hWidth,hHeight)
    ; Last parameter being 1 says the LockMode flag is "READ only"
    If Gdip_LockBits(pBitmapHaystack,0,0,hWidth,hHeight,hStride,hScan,hBitmapData,1)
    OR !(hWidth := NumGet(hBitmapData,0))
    OR !(hHeight := NumGet(hBitmapData,4))
        Return -1004

    ; Careful! From this point on, we must do the following before returning:
    ; - unlock haystack bits

    ; Getting the dimensions and locking the bits [needle]
    Gdip_GetImageDimensions(pBitmapNeedle,nWidth,nHeight)
    ; If Trans is correctly specified, create a backup of the original needle bitmap
    ; and modify the current one, setting the desired color as transparent.
    ; Also, since a copy is created, we must remember to dispose the new bitmap later.
    ; This whole thing has to be done before locking the bits.
    If Trans between 0 and 0xFFFFFF
    {
        pOriginalBmpNeedle := pBitmapNeedle
        pBitmapNeedle := Gdip_CloneBitmapArea(pOriginalBmpNeedle,0,0,nWidth,nHeight)
        Gdip_SetBitmapTransColor(pBitmapNeedle,Trans)
        DumpCurrentNeedle := true
    }

    ; Careful! From this point on, we must do the following before returning:
    ; - unlock haystack bits
    ; - dispose current needle bitmap (if necessary)

    If Gdip_LockBits(pBitmapNeedle,0,0,nWidth,nHeight,nStride,nScan,nBitmapData)
    OR !(nWidth := NumGet(nBitmapData,0))
    OR !(nHeight := NumGet(nBitmapData,4))
    {
        If ( DumpCurrentNeedle )
            Gdip_DisposeImage(pBitmapNeedle)
        Gdip_UnlockBits(pBitmapHaystack,hBitmapData)
        Return -1005
    }

    ; Careful! From this point on, we must do the following before returning:
    ; - unlock haystack bits
    ; - unlock needle bits
    ; - dispose current needle bitmap (if necessary)

    ; Adjust the search box. "OuterX2,OuterY2" will be the last pixel evaluated
    ; as possibly matching with the needle's first pixel. So, we must avoid going
    ; beyond this maximum final coordinate.
    OuterX2 := ( !OuterX2 ? hWidth-nWidth+1 : OuterX2-nWidth+1 )
    OuterY2 := ( !OuterY2 ? hHeight-nHeight+1 : OuterY2-nHeight+1 )

    OutputCount := Gdip_MultiLockedBitsSearch(hStride,hScan,hWidth,hHeight
    ,nStride,nScan,nWidth,nHeight,OutputList,OuterX1,OuterY1,OuterX2,OuterY2
    ,Variation,SearchDirection,Instances,LineDelim,CoordDelim)

    Gdip_UnlockBits(pBitmapHaystack,hBitmapData)
    Gdip_UnlockBits(pBitmapNeedle,nBitmapData)
    If ( DumpCurrentNeedle )
        Gdip_DisposeImage(pBitmapNeedle)

    Return OutputCount
}

;///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
;///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
;///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

;**********************************************************************************
;
; Gdip_SetBitmapTransColor()
; by MasterFocus - 02/APRIL/2013 00:30h BRT
; Requires GDIP
; http://www.autohotkey.com/board/topic/71100-gdip-imagesearch/
;
; Licensed under CC BY-SA 3.0 -> http://creativecommons.org/licenses/by-sa/3.0/
; I waive compliance with the "Share Alike" condition of the license EXCLUSIVELY
; for these users: tic , Rseding91 , guest3456
;
;**********************************************************************************

;==================================================================================
;
; This function modifies the Alpha component for all pixels of a certain color to 0
; The returned value is 0 in case of success, or a negative number otherwise
;
; ++ PARAMETERS ++
;
; pBitmap
;   A valid pointer to the bitmap that will be modified
;
; TransColor
;   The color to become transparent
;   Should range from 0 (black) to 0xFFFFFF (white)
;
; ++ RETURN VALUES ++
;
; -2001 ==> invalid bitmap pointer
; -2002 ==> invalid TransColor
; -2003 ==> unable to retrieve bitmap positive dimensions
; -2004 ==> unable to lock bitmap bits
; -2005 ==> DllCall failed (see ErrorLevel)
; any non-negative value ==> the number of pixels modified by this function
;
;==================================================================================

Gdip_SetBitmapTransColor(pBitmap,TransColor) {
    static _SetBmpTrans, Ptr, PtrA
    if !( _SetBmpTrans ) {
        Ptr := A_PtrSize ? "UPtr" : "UInt"
        PtrA := Ptr . "*"
        MCode_SetBmpTrans := "
            (LTrim Join
            8b44240c558b6c241cc745000000000085c07e77538b5c2410568b74242033c9578b7c2414894c24288da424000000
            0085db7e458bc18d1439b9020000008bff8a0c113a4e0275178a4c38013a4e01750e8a0a3a0e7508c644380300ff450083c0
            0483c204b9020000004b75d38b4c24288b44241c8b5c2418034c242048894c24288944241c75a85f5e5b33c05dc3,405
            34c8b5424388bda41c702000000004585c07e6448897c2410458bd84c8b4424304963f94c8d49010f1f800000000085db7e3
            8498bc1488bd3660f1f440000410fb648023848017519410fb6480138087510410fb6083848ff7507c640020041ff024883c
            00448ffca75d44c03cf49ffcb75bc488b7c241033c05bc3
            )"
        if ( A_PtrSize == 8 ) ; x64, after comma
            MCode_SetBmpTrans := SubStr(MCode_SetBmpTrans,InStr(MCode_SetBmpTrans,",")+1)
        else ; x86, before comma
            MCode_SetBmpTrans := SubStr(MCode_SetBmpTrans,1,InStr(MCode_SetBmpTrans,",")-1)
        VarSetCapacity(_SetBmpTrans, LEN := StrLen(MCode_SetBmpTrans)//2, 0)
        Loop, %LEN%
            NumPut("0x" . SubStr(MCode_SetBmpTrans,(2*A_Index)-1,2), _SetBmpTrans, A_Index-1, "uchar")
        MCode_SetBmpTrans := ""
        DllCall("VirtualProtect", Ptr,&_SetBmpTrans, Ptr,VarSetCapacity(_SetBmpTrans), "uint",0x40, PtrA,0)
    }
    If !pBitmap
        Return -2001
    If TransColor not between 0 and 0xFFFFFF
        Return -2002
    Gdip_GetImageDimensions(pBitmap,W,H)
    If !(W && H)
        Return -2003
    If Gdip_LockBits(pBitmap,0,0,W,H,Stride,Scan,BitmapData)
        Return -2004
    ; The following code should be slower than using the MCode approach,
    ; but will the kept here for now, just for reference.
    /*
    Count := 0
    Loop, %H% {
        Y := A_Index-1
        Loop, %W% {
            X := A_Index-1
            CurrentColor := Gdip_GetLockBitPixel(Scan,X,Y,Stride)
            If ( (CurrentColor & 0xFFFFFF) == TransColor )
                Gdip_SetLockBitPixel(TransColor,Scan,X,Y,Stride), Count++
        }
    }
    */
    ; Thanks guest3456 for helping with the initial solution involving NumPut
    Gdip_FromARGB(TransColor,A,R,G,B), VarSetCapacity(TransColor,0), VarSetCapacity(TransColor,3,255)
    NumPut(B,TransColor,0,"UChar"), NumPut(G,TransColor,1,"UChar"), NumPut(R,TransColor,2,"UChar")
    MCount := 0
    E := DllCall(&_SetBmpTrans, Ptr,Scan, "int",W, "int",H, "int",Stride, Ptr,&TransColor, "int*",MCount, "cdecl int")
    Gdip_UnlockBits(pBitmap,BitmapData)
    If ( E != 0 ) {
        ErrorLevel := E
        Return -2005
    }
    Return MCount
}

;///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
;///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
;///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

;**********************************************************************************
;
; Gdip_MultiLockedBitsSearch()
; by MasterFocus - 24/MARCH/2013 06:20h BRT
; Requires GDIP and Gdip_LockedBitsSearch()
; http://www.autohotkey.com/board/topic/71100-gdip-imagesearch/
;
; Licensed under CC BY-SA 3.0 -> http://creativecommons.org/licenses/by-sa/3.0/
; I waive compliance with the "Share Alike" condition of the license EXCLUSIVELY
; for these users: tic , Rseding91 , guest3456
;
;**********************************************************************************

;==================================================================================
;
; This function returns the number of instances found
; The 8 first parameters are the same as in Gdip_LockedBitsSearch()
; The other 10 parameters are the same as in Gdip_ImageSearch()
; Note: the default for the Intances parameter here is 0 (find all matches)
;
;==================================================================================

Gdip_MultiLockedBitsSearch(hStride,hScan,hWidth,hHeight,nStride,nScan,nWidth,nHeight
,ByRef OutputList="",OuterX1=0,OuterY1=0,OuterX2=0,OuterY2=0,Variation=0
,SearchDirection=1,Instances=0,LineDelim="`n",CoordDelim=",")
{
    OutputList := ""
    OutputCount := !Instances
    InnerX1 := OuterX1 , InnerY1 := OuterY1
    InnerX2 := OuterX2 , InnerY2 := OuterY2

    ; The following part is a rather ugly but working hack that I
    ; came up with to adjust the variables and their increments
    ; according to the specified Haystack Search Direction
    /*
    Mod(SD,4) = 0 --> iX = 2 , stepX = +0 , iY = 1 , stepY = +1
    Mod(SD,4) = 1 --> iX = 1 , stepX = +1 , iY = 1 , stepY = +1
    Mod(SD,4) = 2 --> iX = 1 , stepX = +1 , iY = 2 , stepY = +0
    Mod(SD,4) = 3 --> iX = 2 , stepX = +0 , iY = 2 , stepY = +0
    SD <= 4   ------> Vertical preference
    SD > 4    ------> Horizontal preference
    */
    ; Set the index and the step (for both X and Y) to +1
    iX := 1, stepX := 1, iY := 1, stepY := 1
    ; Adjust Y variables if SD is 2, 3, 6 or 7
    Modulo := Mod(SearchDirection,4)
    If ( Modulo > 1 )
        iY := 2, stepY := 0
    ; adjust X variables if SD is 3, 4, 7 or 8
    If !Mod(Modulo,3)
        iX := 2, stepX := 0
    ; Set default Preference to vertical and Nonpreference to horizontal
    P := "Y", N := "X"
    ; adjust Preference and Nonpreference if SD is 5, 6, 7 or 8
    If ( SearchDirection > 4 )
        P := "X", N := "Y"
    ; Set the Preference Index and the Nonpreference Index
    iP := i%P%, iN := i%N%

    While (!(OutputCount == Instances) && (0 == Gdip_LockedBitsSearch(hStride,hScan,hWidth,hHeight,nStride
    ,nScan,nWidth,nHeight,FoundX,FoundY,OuterX1,OuterY1,OuterX2,OuterY2,Variation,SearchDirection)))
    {
        OutputCount++
        OutputList .= LineDelim FoundX CoordDelim FoundY
        Outer%P%%iP% := Found%P%+step%P%
        Inner%N%%iN% := Found%N%+step%N%
        Inner%P%1 := Found%P%
        Inner%P%2 := Found%P%+1
        While (!(OutputCount == Instances) && (0 == Gdip_LockedBitsSearch(hStride,hScan,hWidth,hHeight,nStride
        ,nScan,nWidth,nHeight,FoundX,FoundY,InnerX1,InnerY1,InnerX2,InnerY2,Variation,SearchDirection)))
        {
            OutputCount++
            OutputList .= LineDelim FoundX CoordDelim FoundY
            Inner%N%%iN% := Found%N%+step%N%
        }
    }
    OutputList := SubStr(OutputList,1+StrLen(LineDelim))
    OutputCount -= !Instances
    Return OutputCount
}

;///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
;///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
;///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

;**********************************************************************************
;
; Gdip_LockedBitsSearch()
; by MasterFocus - 24/MARCH/2013 06:20h BRT
; Mostly adapted from previous work by tic and Rseding91
;
; Requires GDIP
; http://www.autohotkey.com/board/topic/71100-gdip-imagesearch/
;
; Licensed under CC BY-SA 3.0 -> http://creativecommons.org/licenses/by-sa/3.0/
; I waive compliance with the "Share Alike" condition of the license EXCLUSIVELY
; for these users: tic , Rseding91 , guest3456
;
;**********************************************************************************

;==================================================================================
;
; This function searches for a single match of nScan within hScan
;
; ++ PARAMETERS ++
;
; hStride, hScan, hWidth and hHeight
;   Haystack stuff, extracted from a BitmapData, extracted from a Bitmap
;
; nStride, nScan, nWidth and nHeight
;   Needle stuff, extracted from a BitmapData, extracted from a Bitmap
;
; x and y
;   ByRef variables to store the X and Y coordinates of the image if it's found
;   Default: "" for both
;
; sx1, sy1, sx2 and sy2
;   These can be used to crop the search area within the haystack
;   Default: "" for all (does not crop)
;
; Variation
;   Same as the builtin ImageSearch command
;   Default: 0
;
; sd
;   Haystack search direction
;     Vertical preference:
;       1 = top->left->right->bottom [default]
;       2 = bottom->left->right->top
;       3 = bottom->right->left->top
;       4 = top->right->left->bottom
;     Horizontal preference:
;       5 = left->top->bottom->right
;       6 = left->bottom->top->right
;       7 = right->bottom->top->left
;       8 = right->top->bottom->left
;   This value is passed to the internal MCoded function
;
; ++ RETURN VALUES ++
;
; -3001 to -3006 ==> search area incorrectly defined
; -3007 ==> DllCall returned blank
; 0 ==> DllCall succeeded and a match was found
; -4001 ==> DllCall succeeded but a match was not found
; anything else ==> the error value returned by the unsuccessful DllCall
;
;==================================================================================

Gdip_LockedBitsSearch(hStride,hScan,hWidth,hHeight,nStride,nScan,nWidth,nHeight
,ByRef x="",ByRef y="",sx1=0,sy1=0,sx2=0,sy2=0,Variation=0,sd=1)
{
    static _ImageSearch, Ptr, PtrA

    ; Initialize all MCode stuff, if necessary
    if !( _ImageSearch ) {
        Ptr := A_PtrSize ? "UPtr" : "UInt"
        PtrA := Ptr . "*"

        MCode_ImageSearch := "
            (LTrim Join
            8b44243883ec205355565783f8010f857a0100008b7c2458897c24143b7c24600f8db50b00008b44244c8b5c245c8b
            4c24448b7424548be80fafef896c242490897424683bf30f8d0a0100008d64240033c033db8bf5896c241c895c2420894424
            183b4424480f8d0401000033c08944241085c90f8e9d0000008b5424688b7c24408beb8d34968b54246403df8d4900b80300
            0000803c18008b442410745e8b44243c0fb67c2f020fb64c06028d04113bf87f792bca3bf97c738b44243c0fb64c06018b44
            24400fb67c28018d04113bf87f5a2bca3bf97c548b44243c0fb63b0fb60c068d04113bf87f422bca3bf97c3c8b4424108b7c
            24408b4c24444083c50483c30483c604894424103bc17c818b5c24208b74241c0374244c8b44241840035c24508974241ce9
            2dffffff8b6c24688b5c245c8b4c244445896c24683beb8b6c24240f8c06ffffff8b44244c8b7c24148b7424544703e8897c
            2414896c24243b7c24600f8cd5feffffe96b0a00008b4424348b4c246889088b4424388b4c24145f5e5d890833c05b83c420
            c383f8020f85870100008b7c24604f897c24103b7c24580f8c310a00008b44244c8b5c245c8b4c24448bef0fafe8f7d88944
            24188b4424548b742418896c24288d4900894424683bc30f8d0a0100008d64240033c033db8bf5896c2420895c241c894424
            243b4424480f8d0401000033c08944241485c90f8e9d0000008b5424688b7c24408beb8d34968b54246403df8d4900b80300
            0000803c03008b442414745e8b44243c0fb67c2f020fb64c06028d04113bf87f792bca3bf97c738b44243c0fb64c06018b44
            24400fb67c28018d04113bf87f5a2bca3bf97c548b44243c0fb63b0fb60c068d04113bf87f422bca3bf97c3c8b4424148b7c
            24408b4c24444083c50483c30483c604894424143bc17c818b5c241c8b7424200374244c8b44242440035c245089742420e9
            2dffffff8b6c24688b5c245c8b4c244445896c24683beb8b6c24280f8c06ffffff8b7c24108b4424548b7424184f03ee897c
            2410896c24283b7c24580f8dd5feffffe9db0800008b4424348b4c246889088b4424388b4c24105f5e5d890833c05b83c420
            c383f8030f85650100008b7c24604f897c24103b7c24580f8ca10800008b44244c8b6c245c8b5c24548b4c24448bf70faff0
            4df7d8896c242c897424188944241c8bff896c24683beb0f8c020100008d64240033c033db89742424895c2420894424283b
            4424480f8d76ffffff33c08944241485c90f8e9f0000008b5424688b7c24408beb8d34968b54246403dfeb038d4900b80300
            0000803c03008b442414745e8b44243c0fb67c2f020fb64c06028d04113bf87f752bca3bf97c6f8b44243c0fb64c06018b44
            24400fb67c28018d04113bf87f562bca3bf97c508b44243c0fb63b0fb60c068d04113bf87f3e2bca3bf97c388b4424148b7c
            24408b4c24444083c50483c30483c604894424143bc17c818b5c24208b7424248b4424280374244c40035c2450e92bffffff
            8b6c24688b5c24548b4c24448b7424184d896c24683beb0f8d0affffff8b7c24108b44241c4f03f0897c2410897424183b7c
            24580f8c580700008b6c242ce9d4feffff83f8040f85670100008b7c2458897c24103b7c24600f8d340700008b44244c8b6c
            245c8b5c24548b4c24444d8bf00faff7896c242c8974241ceb098da424000000008bff896c24683beb0f8c020100008d6424
            0033c033db89742424895c2420894424283b4424480f8d06feffff33c08944241485c90f8e9f0000008b5424688b7c24408b
            eb8d34968b54246403dfeb038d4900b803000000803c03008b442414745e8b44243c0fb67c2f020fb64c06028d04113bf87f
            752bca3bf97c6f8b44243c0fb64c06018b4424400fb67c28018d04113bf87f562bca3bf97c508b44243c0fb63b0fb60c068d
            04113bf87f3e2bca3bf97c388b4424148b7c24408b4c24444083c50483c30483c604894424143bc17c818b5c24208b742424
            8b4424280374244c40035c2450e92bffffff8b6c24688b5c24548b4c24448b74241c4d896c24683beb0f8d0affffff8b4424
            4c8b7c24104703f0897c24108974241c3b7c24600f8de80500008b6c242ce9d4feffff83f8050f85890100008b7c2454897c
            24683b7c245c0f8dc40500008b5c24608b6c24588b44244c8b4c2444eb078da42400000000896c24103beb0f8d200100008b
            e80faf6c2458896c241c33c033db8bf5896c2424895c2420894424283b4424480f8d0d01000033c08944241485c90f8ea600
            00008b5424688b7c24408beb8d34968b54246403dfeb0a8da424000000008d4900b803000000803c03008b442414745e8b44
            243c0fb67c2f020fb64c06028d04113bf87f792bca3bf97c738b44243c0fb64c06018b4424400fb67c28018d04113bf87f5a
            2bca3bf97c548b44243c0fb63b0fb60c068d04113bf87f422bca3bf97c3c8b4424148b7c24408b4c24444083c50483c30483
            c604894424143bc17c818b5c24208b7424240374244c8b44242840035c245089742424e924ffffff8b7c24108b6c241c8b44
            244c8b5c24608b4c24444703e8897c2410896c241c3bfb0f8cf3feffff8b7c24688b6c245847897c24683b7c245c0f8cc5fe
            ffffe96b0400008b4424348b4c24688b74241089088b4424385f89305e5d33c05b83c420c383f8060f85670100008b7c2454
            897c24683b7c245c0f8d320400008b6c24608b5c24588b44244c8b4c24444d896c24188bff896c24103beb0f8c1a0100008b
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            )"
        if ( A_PtrSize == 8 ) ; x64, after comma
            MCode_ImageSearch := SubStr(MCode_ImageSearch,InStr(MCode_ImageSearch,",")+1)
        else ; x86, before comma
            MCode_ImageSearch := SubStr(MCode_ImageSearch,1,InStr(MCode_ImageSearch,",")-1)
        VarSetCapacity(_ImageSearch, LEN := StrLen(MCode_ImageSearch)//2, 0)
        Loop, %LEN%
            NumPut("0x" . SubStr(MCode_ImageSearch,(2*A_Index)-1,2), _ImageSearch, A_Index-1, "uchar")
        MCode_ImageSearch := ""
        DllCall("VirtualProtect", Ptr,&_ImageSearch, Ptr,VarSetCapacity(_ImageSearch), "uint",0x40, PtrA,0)
    }

    ; Abort if an initial coordinates is located before a final coordinate
    If ( sx2 < sx1 )
        return -3001
    If ( sy2 < sy1 )
        return -3002

    ; Check the search box. "sx2,sy2" will be the last pixel evaluated
    ; as possibly matching with the needle's first pixel. So, we must
    ; avoid going beyond this maximum final coordinate.
    If ( sx2 > (hWidth-nWidth+1) )
        return -3003
    If ( sy2 > (hHeight-nHeight+1) )
        return -3004

    ; Abort if the width or height of the search box is 0
    If ( sx2-sx1 == 0 )
        return -3005
    If ( sy2-sy1 == 0 )
        return -3006

    ; The DllCall parameters are the same for easier C code modification,
    ; even though they aren't all used on the _ImageSearch version
    x := 0, y := 0
    , E := DllCall( &_ImageSearch, "int*",x, "int*",y, Ptr,hScan, Ptr,nScan, "int",nWidth, "int",nHeight
    , "int",hStride, "int",nStride, "int",sx1, "int",sy1, "int",sx2, "int",sy2, "int",Variation
    , "int",sd, "cdecl int")
    Return ( E == "" ? -3007 : E )
}