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  • Format of character strings to decode
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Stored procedures
Decodes a character string that was encoded by Encode.
Versions 23 and later
Android Widget This function is now available in Android Widget mode.
Android This function is now available for Android applications.
New in version 23
Android Widget This function is now available in Android Widget mode.
Android This function is now available for Android applications.
Android Widget This function is now available in Android Widget mode.
Android This function is now available for Android applications.
Example
// Encode an image in base64
Res is string = Encode(fLoadBuffer("MyImage.jpg"), encodeBASE64)

// ...

// Decode the image
DecodedImage is Image = Decode(Res, encodeBASE64)
// Decode a buffer received in an HTTP request
bufRead is Buffer = HTTPresponse..Content
<COMPILE IF UNICODEConfiguration>
bufResult = Decode(AnsiToUnicode(bufRead), encodeBASE64)
<ELSE>
bufResult = Decode(bufRead, encodeBASE64)
<END>
Syntax
<Result> = Decode(<Element to decode> [, <Encoding/decoding format>])
<Result>: Character string or Buffer
Result of decoding.
<Element to decode>: Character string
Data to decode. This data was encoded by Encode.
Caution: The string to decode must be in the same format as the default strings of the project: ANSI or UNICODE.
<Encoding/decoding format>: Integer constant
Specifies the type of encoding performed. This parameter must be identical to the one chosen during the coding.
encodeBASE64
(Default value)
BASE 64 format (complies with the RFC 4648 standard). Encoded text contains only printable characters and CRs (Carriage Returns).
Versions 25 and later
encodeBASE64NoRC
New in version 25
encodeBASE64NoRC
encodeBASE64NoRC
BASE 64 format (complies with RFC 4648 standard) without RCs (Carriage Returns). The encoded text contains printable characters only.
encodeBASE64URLBASE 64 URL format (complies with the RFC 4648 standard). The encoded text contains printable characters only.
encodeBASE85BASE 85 format. The encoded text contains printable characters only.
Versions 23 and later
AndroidAndroid Widget Unsupported format.
New in version 23
AndroidAndroid Widget Unsupported format.
AndroidAndroid Widget Unsupported format.
encodePCSASCII format. The encoded text contains printable characters only.
Versions 23 and later
AndroidAndroid Widget Unsupported format.
New in version 23
AndroidAndroid Widget Unsupported format.
AndroidAndroid Widget Unsupported format.
encodeURLToAnsiURL format. The encoded text only contains characters allowed in a URL. The decoded text is an ANSI string. This constant corresponds to the encodeURLFromAnsi constant used in Encode.
encodeURLToUTF8URL format. The encoded text only contains characters allowed in a URL. The decoded text is a UTF-8 string. This constant corresponds to the encodeURLFromUTF8 constant used in Encode.
encodeURLToUnicodeURL format. The encoded text only contains characters allowed in a URL. The decoded text is a Unicode string. This constant corresponds to the encodeURLFromUnicode constant used in Encode.
encodeUUEncodeUUEncode format. The encoded text contains printable characters only.
Versions 23 and later
AndroidAndroid Widget Unsupported format.
New in version 23
AndroidAndroid Widget Unsupported format.
AndroidAndroid Widget Unsupported format.
Remarks

Format of character strings to decode

The string to decode must be in the same format as the default strings of the current project configuration: ANSI or UNICODE.
To know or modify the default string format:
  1. Open the description window of the current configuration: on the "Project" pane, in the "Project configuration" group, click "Current configuration".
  2. The "Unicode" tab allows you to know which type of character strings is used by default.
Business / GUI classification : Business Logic
Component : wd250std.dll
Minimum version required
  • Version 22
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Comments
IMAGEM STRING
//VOU MOSTRAR HOJE, COMO TRANSFORMAR
//UMA IMAGEN EM STRING E TRANSFORMAR
//UMA STRING EM UMA IMAGEM

IMG_IMAGEN_1 = "c:\ICONES\IC_OK_N.PNG" // VALIDADO
EDT_IMAGEN_TEXTO=Encode(fChargeBuffer(IMG_IMAGEN_1),encodeBASE64)
//--
IMG_IMAGEM_VOLTA = Decode(EDT_IMAGEN_TEXTO,encodeBASE64)

//BLOG COM VIDE E EXEMPLO

http://windevdesenvolvimento.blogspot.com/2017/08/aula-1237-windev-imagen-006-encodedecode.html

https://www.youtube.com/watch?v=KLr4-1wg_WQ


De matos
11 Aug. 2017