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    • By Viszna
      Hello.
      I create a function that saves the log to an html file.
      File html are included picture (conversion to Base64)
      Everything works OK.
      But I do the actions:
      screenshot to the png file (smaller than bmp) per disk (  _ScreenCapture_Capture(@ScriptDir & "\screenshot.png")  ) convert image from disk to base64 I need help to optimize the script:
      - screenshot to memory (do not save to disk) - convert this object to png in memory - invoking the conversion of png image from memory to base64 The first step _ScreenCapture_Capture("") create handle to an HBITMAP in memory
      How to convert image in memory to png?
      How to use Func _ConvertToBase64
      I attach my code
      #include <ScreenCapture.au3> #include <Date.au3> Global $RaportFileName = @YEAR & "-" & @MON & "-" & @MDAY & "_" & @HOUR & "_" & @MIN & "_" & @SEC & ".html" $text = "This is first line text" & @CRLF &"and this is next line" _Raport($text, 1) FileWrite(@ScriptDir & "\" & $RaportFileName, "</pre></html>") ; #FUNCTION# ==================================================================================================================== ; Name ..........: _Raport ; Description ...: ; Syntax ........: _Raport($sText1[, $Screen = 0]) ; Parameters ....: $sText1 - a string value. ; $Screen - [optional] an unknown value. Default is 0. ; 0 - Default - do not screenshot ; 1 - added screenshot full desktop ; Return values .: None ; Author ........: Your Name ; Modified ......: ; Remarks .......: ; Related .......: ; Link ..........: ; Example .......: No ; =============================================================================================================================== Func _Raport($sText1, $Screen=0) Local $sText = "" Local $sHead = "" ; Define HTML file header and style $sHead = '<html>' & @CRLF & '<head><meta charset="utf-8"></head>' & @CRLF $sHead = $sHead & '<style>img{border:3px solid #FF0000;}</style>' & @CRLF $sHead = $sHead & '<style>pre{font-family: monospace;}</style>' & @CRLF $sHead = $sHead & '<style>pre{font-size: large;}</style>' & @CRLF $sHead = $sHead & '<pre>' & @CRLF If NOT FileExists(@ScriptDir & "\" & $RaportFileName) Then ; If file Raport not exist then create FileOpen(@ScriptDir & "\" & $RaportFileName, 258) FileWrite(@ScriptDir & "\" & $RaportFileName, $sHead) EndIf If StringInStr($sText1, @CRLF) > 0 Then ; @CRLF (ENTER) change the @CRLF and 11 space (indentation on width "[GG:MM:SS] ") $sText1 = StringReplace($sText1, @CRLF, @CRLF & '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;') EndIf $sText = $sText & $sText1 If $Screen <> 0 Then _ScreenCapture_Capture(@ScriptDir & "\screenshot.png") $sText = $sText & @CRLF & '<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;' & '<img src="data:image/png;base64,' & _ConvertToBase64(@ScriptDir & "\screenshot.png") & '"/>' EndIf FileWrite(@ScriptDir & "\" & $RaportFileName, "[" & _NowTime(5) & "]&nbsp;" & $sText & "<br><br>"&@CRLF) ; write to file Raport EndFunc Func _ConvertToBase64($fFile) ;Xroot 2011 ;ClipPut("") ;$FN=@ScriptDir & "\screenshot.png" $FN=$fFile $dat=FileRead(FileOpen($FN,16)) $objXML=ObjCreate("MSXML2.DOMDocument") $objNode=$objXML.createElement("b64") $objNode.dataType="bin.base64" $objNode.nodeTypedValue=$dat ClipPut("") $Wynik = "" ;ClipPut($objNode.Text) $Wynik = $objNode.Text Return $Wynik EndFunc P.S.
      Excuse me my not good English.
    • By Stew
      (Edited from original.  Please note that I AM NOT AN AUTOIT EXPERT.  I write code using Autoit frequently but I am no expert, especially when it comes to I/O.  So any remarks that start with "Why did you..." can be answered by referring to the first sentence.  This project was done in Autoit because of an interface I built to display the data.)
      Attached is a program and ascii input file I wrote to read stock price data, convert it to binary and then read it back into the program in binary.  The goal was to show increased performance for reading the files in binary and provide a demo on how to read/write binary for int32, int64, double and strings for anyone who might find it helpful.  The results on my PC show the following:
      Time to read ascii file only: 456.981951167202
      Ascii read & process time: 6061.83075631701
      Binary write file time: 14787.9184635239
      Time just to read binary file: 42.418867292311
      Binary read and process time: 4515.16129830537
      A couple things to note:
      1) The 32 MB ascii file took 10x longer to read than the 15 MB binary file.  Not entirely sure why.  Both were read into a buffer.
      2) The Binary write takes a long time but I made no effort to optimize this because the plan was to write this file one time only so I don't mind if it takes longer to write this file.  I care much more about how long it takes to read the file because I will be reading it many times.
      3) There was a modest gain in converting the ascii file to binary in terms of file size and reading speed.
      So big picture... not sure it's worth the effort to convert the files to binary even though most of the data is numerical data in the binary file.  That was actually surprising as I expected there would be more of a difference.  Any ideas on how to get the binary data to read at a faster rate would be great.
       
      binary.au3
      2019_02_08.zip
    • By argumentum
      AutoIt Machine Code Algorithm Collection
      By Ward, November 11, 2010 in AutoIt Example Scripts 
      Posted November 11, 2010 (edited) I have already published a lot of AutoIt UDF about algorithm, but all of them only support 32 bits or so called X86 system. Recently I got a computer with Windows 7 64 bits, so I finally added X64 support to most of my old projects. Besides, I also added some new. For example, some compression algorithm and SHA3 Candidates.
      Following are the algorithms list:
      Checksum   CRC16   CRC32   ADLER32 Compression   FastLZ   LZF   LZMA   LZMAT   MiniLZO   QuickLZ Encode   Base64   ARC4   XXTEA   DES   AES Hash   Checksums (CRC16/CRC32/ADLER32)   MD2   MD4   MD5   SHA1   SHA2 (SHA224/256/384/512)   SHA3 Candidates     BLAKE     BMW (Blue Midnight Wish)     CUBEHASH     ECHO     SHABAL     SKEIN Some points to mention:
      All of the subroutines have one or more examples to demonstrate the usage. Since the function and usage of subroutine are easy to understand. A complete subroutines and parameters list are unavailability now. Sorry for my lazy. All of the subroutines here invoked by Lazycat's method (through CallWindowProc API). My MemoryDLL UDF is not necessary this time. Although MemoryFuncCall (part of MemoryDLL) is still good, but inevitably, it is slower than CallWindowProc. Some subroutines have the same name with my old machine code version UDF. But for some reason, I rearrange the position of the parameters. Please not mix up. If you notice, yes, checksums are duplicated. But they receive different parameters. One is the old style, and another use the same interface as other hashes. Choose what you like, but don't use them in the same time. Some algorithm already supported by the standard UDF "Encryption.au3". But I still provide them, because some system lack of the full support of Windows Crypt Library. If you are looking for only one hash algorithm, for example, used in encryption, I suggested "SHABAL_TINY.au3". Although it is a bit slower then SHABAL, but it is smaller, and it supports different size of output (from 32 to 512 bits).
    • By FMS
      Hello,
      I'm trying to read a binary file to an array but couln't get it to work.
      Also I coul not find any help in the forum around this subject whish was helpfull.
      Is there any way it could be done?
      I tried a lot of ways but maybe somebody know's the right way?
      #AutoIt3Wrapper_Au3Check_Parameters=-d -w 1 -w 2 -w 3 -w 4 -w 5 -w 6 -w 7 #include <File.au3> #include <Array.au3> #include <AutoItConstants.au3> Local $in=FileOpen("TEST_labels.idx1-ubyte",16) ; 16+0=Read binary Local $data = FileRead($in) Local $FileArray = BinaryToString($data,4) ;~ $FileArray = StringSplit($BinarydData, @CRLF, 1+2) ;~ Local $FileArray = StringRegExp($BinarydData, "[^\r\n]+", 3) FileClose($in) _ArrayDisplay($FileArray,"$FileArray","",32) MsgBox($MB_SYSTEMMODAL, "", "$FileArray = " & $FileArray )  
      TEST_labels.idx1-ubyte
    • By Ascer
      Hello.
      A couple week ago i've started learning API Interface for different websites. In this fact sometimes you have to encode your "photo" or "document.body" to send request.
      Functions to encode and decode Base64 was already created by others. Unfortunately i have troubles with running it on Windows R 2008, also speed was terrible.
      I try to find alternative way to code data. 
      I've read about Microsoft "XMLDOM" and created a one simple function to Encode / Decode data to base64binary, base64url
      Thanks for Ghads on Wordpress i coverted a part of his lines from VBscript to AutoIT
      ;============================================================================================================================== ; Function: base64($vCode [, $bEncode = True [, $bUrl = False]]) ; ; Description: Decode or Encode $vData using Microsoft.XMLDOM to Base64Binary or Base64Url. ; IMPORTANT! Encoded base64url is without @LF after 72 lines. Some websites may require this. ; ; Parameter(s): $vData - string or integer | Data to encode or decode. ; $bEncode - boolean | True - encode, False - decode. ; $bUrl - boolean | True - output is will decoded or encoded using base64url shema. ; ; Return Value(s): On Success - Returns output data ; On Failure - Returns 1 - Failed to create object. ; ; Author (s): (Ghads on Wordpress.com), Ascer ;=============================================================================================================================== Func base64($vCode, $bEncode = True, $bUrl = False) Local $oDM = ObjCreate("Microsoft.XMLDOM") If Not IsObj($oDM) Then Return SetError(1, 0, 1) Local $oEL = $oDM.createElement("Tmp") $oEL.DataType = "bin.base64" If $bEncode then $oEL.NodeTypedValue = Binary($vCode) If Not $bUrl Then Return $oEL.Text Return StringReplace(StringReplace(StringReplace($oEL.Text, "+", "-"),"/", "_"), @LF, "") Else If $bUrl Then $vCode = StringReplace(StringReplace($vCode, "-", "+"), "_", "/") $oEL.Text = $vCode Return $oEL.NodeTypedValue EndIf EndFunc ;==>base64  
       
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