JTMR Image to Text

 

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Converts an image to ascii text. You can find the complete JTMR Img2Txt software at the following address http://services.worldnet.fr/elian-c/?part=Resources

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-- JTMR -- IMG2TXT -- GRAY -- ================================================== -- JTMR Img2Txt GrayScale Behavior -- Converts bitmap in raw text -- Use with Field or Text members. -- ================================================== -- © 2000 - JTMR -- ================================================== -- globals -- properties property modelMember, pasteMatrixWidth, pasteMatrixHeight property grayTonesCharList, status -- scripts on beginSprite me   -- checks whether sprite(me.spriteNum).member is a valid member   if not(getOne([#Text, #Field], sprite(me.spriteNum).member.type)) then     alert "JTMR Img2Txt #1" & Return & "Use this behavior with a text or a field member."     me.status = #done     return 0   end if   -- checks whether modelMember is a valid member   if me.modelMember.type <> #Bitmap then     alert "JTMR Img2Txt #1" & Return & "Member Ref must be a valid 8bits depth bitmap"     me.status = #done     return 0   end if   if me.modelMember.depth > 8 then     alert "JTMR Img2Txt #1" & Return & "Member Ref must be a valid 8bits depth bitmap"     me.status = #done     return 0   end if   -- Initializes...   me.grayTonesCharList = [" ", ".", ",", "!", ":", ";", "@", "#"]   sprite(me.spriteNum).member.wordWrap = false   sprite(me.spriteNum).member.text = "JTMR Img2Txt #1" & Return & "wait a few seconds ..." end beginSprite on exitFrame me   if me.status = #done then return 0   me.modelMember.paletteRef = #grayscale   sprite(me.spriteNum).member.text = JTMRCompute(me)   me.status = #done end exitFrame on JTMRCompute me   myComputedStr = ""   myXPos = 1   myYPos = 1   repeat while TRUE     myPValue = []     repeat with y = myYPos to myYPos + me.pasteMatrixHeight - 1       myPValue[y-myYPos+1] = []       repeat with x = myXPos to myXPos + me.pasteMatrixWidth - 1         myPValue[y-myYPos+1][x-myXPos+1] = getPixel(me.modelMember, x, y)       end repeat     end repeat     myGrayValue = JTMRgetSumFromList(myPValue)/(myPValue[1].count * myPValue.count)          myGrayList = [32, 64, 96, 128,  160, 192, 224, 256]     append myGrayList, myGrayValue     sort myGrayList          myChar = me.grayTonesCharList[getOne(myGraylist, myGrayValue)]     myComputedStr = myComputedStr & myChar     myXPos = myXPos + me.pasteMatrixWidth + 1     if myXPos > me.modelMember.width - me.pasteMatrixWidth then       myXPos = 1       myYPos = myYPos + me.pasteMatrixHeight + 1       myComputedStr = myComputedStr & return       if myYPos > me.modelMember.height - me.pasteMatrixHeight then         exit repeat       end if     end if   end repeat   return myComputedStr end JTMRCompute on JTMRgetSumFromList pList   if not(listP(pList)) then     return -13   end if   myListLength = pList.count   myRetValue = 0   -- 1D List   if not(listP(pList[1])) then     repeat with x = 1 to myListLength       myRetValue = myRetValue + value(pList[x])     end repeat     return myRetValue     -- 2D List   else     repeat with y = 1 to myListLength       myRetValue = myRetValue + JTMRgetSumFromList(pList[y])     end repeat     return myRetValue   end if end JTMRgetSumFromList -- ================================================== on getPropertyDescriptionList   myPropertylist = [:]   addProp myPropertyList, #modelMember, [#Comment: "Model Member (8 bits bitmap member)", #format: #bitmap, #default: 0]   addProp myPropertyList, #pasteMatrixWidth, [#Comment: "Matrix Width", #format: #float, #range: [#min: 1, #max: 20], #default: 4]   addProp myPropertyList, #pasteMatrixHeight, [#Comment: "Matrix Height", #format: #float, #range: [#min: 1, #max: 20], #default: 8.5]   return myPropertyList end getPropertyDescriptionList on getBehaviorDescription   return "JTMR Behavior Library" & RETURN &¬          "© 2000 - JTMR" & RETURN &¬          "jtmr@worldnet.fr" & RETURN &¬          "http://services.worldnet.fr/elian-c" & RETURN & RETURN &¬          "JTMR Img2Txt GrayScale Behavior" & RETURN &¬          "Download JTMRImg2Txt software (full version includes several effects, HTML export...) at http://services.worldnet.fr/elian-c/?part=Resources." & RETURN & RETURN & "Converts bitmap in raw text." & RETURN &¬          "Better result when the field (or text) member uses a monospace font." & RETURN & RETURN &¬          "This behavior is free software; you can redistribute it and/or modify "  &¬          "it under the terms of the GNU General Public License as published by "  &¬          "the Free Software Foundation; either version 2 of the License, or (at "  &¬          "your option) any later version. "  &¬          "This program is distributed in the hope that it will be useful, but "  &¬          "WITHOUT ANY WARRANTY; without even the implied warranty of "  &¬          "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU"  &¬          "General Public License for more details. "  &¬          "You should have received a copy of the GNU General Public License"  &¬          "along with this program; if not, write to the Free Software "  &¬          "Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA."    end getBehaviorDescription

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