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Thread: Overwrite Image

  1. #1
    Registered User
    Join Date
    Jul 2003
    Posts
    24

    Overwrite Image

    Hi,

    I used CMdaImageFileToBitmapUtility to open an JPEG image, then I used CMdaImageBitmapToFileUtility to write that bitmap back to the original file.

    I found that the saved image has very poor quality, any problem occured? However, if I save the bitmap to another filename, the saved image will not have such a problem.

    Hope someone can give me hints on this.

    Thanks,
    Jason

  2. #2
    Nokia Developer Expert
    Join Date
    Mar 2003
    Location
    Lempäälä/Finland
    Posts
    29,143
    Hi

    Check your jpg quality factor, you propably are not setting it and getting some funny results because of that.

    yucca

  3. #3
    Registered User
    Join Date
    Mar 2005
    Posts
    3

    Re: Overwrite Image

    Quote Originally Posted by symbianyucca
    Check your jpg quality factor, you propably are not setting it and getting some funny results because of that.
    That's not solution. I have the same problem as yfho. I have iQualityFactor and iSampleScheme to set on.

    edit: Works fine with 6600 and 6630, but not 7650.

  4. #4
    Registered User
    Join Date
    Mar 2005
    Posts
    3

    Re: Overwrite Image

    Replying to my own question.

    Solution of problem: I was already opened file and forget to close it. Problem solved.

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