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| Quick conversion array to buffer |
| Iniciado por guest, 27,ene. 2015 10:04 - 3 respuestas |
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| Publicado el 27,enero 2015 - 10:04 |
I use some HTTP API that outputs raw image data as response on web request. The result is array of bytes (array of 1-byte unsigned int). I use .Net stream to read data. I need to display result image on Image control so I need to convert result array into Buffer. Now I use the simple algoryhtm:
// get the image raw data
arrBytes is array of [1024] 1-byte unsigned int
BufferedStream.Read(arrBytes,0,1024)
// convert array to buffer byte per byte
bufBuffer is Buffer
FOR nByte in arrBytes
bufBuffer += Charact(nByte)
END
But the little problem is slow process. As bigger array as longer process is going. 40Kbytes are processed about few seconds but when I get array more then 1Mbyte (HD image) the process is "hangs". Could you someone help me? |
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| Publicado el 27,enero 2015 - 10:47 |
Hi
You can try using "transfer" instead of your copy by byte, that should be much faster...
Best regards |
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| Publicado el 27,enero 2015 - 11:26 |
Quote
Fabrice Harari
You can try using "transfer" instead of your copy by byte, that should be much faster...
Thank you for your answer. I tried so
bufBuffer is Buffer arrArray is array of 1-byte unsigned int Transfer(&bufBuffer,&arrArray,arrArray..Occurence) and I have got an error:
Bad destination address (0x00000000 on 23904 bytes). It does not match a valid memory address in write mode.
P.S. I also tried to use string instead Buffer . |
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Miembro registrado
67 mensajes |
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| Publicado el 27,enero 2015 - 12:20 |
Hi
Could you perhaps save the array to a file and load the file to into the buffer using floadbuffer() to speed it up?
Gautam |
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