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Anonymous
August 7, 2019
Answered

bmp file

  • August 7, 2019
  • 4 replies
  • 3847 views

I am trying to create a bitmap file that is uncompressed 320x200 pixel 16 bits-per-pixel RGB565 format.  preferably in color.  any help

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    Correct answer Test Screen Name

    I understand your worry, but it is misplaced. You a trying to make a low definition colour image but you have high definition colour.

    The mode 16 bit colour in Photoshop is 16 + 16 + 16 = 48 bits.

    You want 5+6+5 = 16 bits.

    So you currently have three times too much detail.

    So reduce it to Photoshop 8 bit (which is 8 + 8 + 8 = 24 bits) and allow the save as to reduce it more.

    4 replies

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    Test Screen NameCorrect answer
    Legend
    August 7, 2019

    I understand your worry, but it is misplaced. You a trying to make a low definition colour image but you have high definition colour.

    The mode 16 bit colour in Photoshop is 16 + 16 + 16 = 48 bits.

    You want 5+6+5 = 16 bits.

    So you currently have three times too much detail.

    So reduce it to Photoshop 8 bit (which is 8 + 8 + 8 = 24 bits) and allow the save as to reduce it more.

    A
    Anonymous
    August 7, 2019

    gotcha. that helped me out  thanks

    G
    G_Hoffmann
    Inspiring
    August 7, 2019

    In Post #0 you said "16 bits per pixel RGB565. The source is probably 24 bits per pixel

    (not 48 bits per pixel). Any RGB 24 bits per pixel image can be saved immediately as

    RGB 16 bits per pixel BMP file (Advanced mode):

    Best regards --Gernot Hoffmann

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    Test Screen Name
    Legend
    August 7, 2019

    You have the image in 16 bit per channel mode. This is very specialist (for Photoshop 7) high definition colour. You must use Image > Mode to make it 8 bit per channel.

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    Anonymous
    August 7, 2019

    I am trying to make a "splash Screen" for a Radio.  the Requirements for that is 16 bit

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    Test Screen Name
    Legend
    August 7, 2019

    I still have a copy of Photoshop 7, and I checked: it had this feature as well as today's versions.

    File > Save as.

    BMP format.

    Advanced button.

    Choose the format you need.

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    Anonymous
    August 7, 2019

    I have tried this but it only allows me to save this as a .psd,.pdd or .raw or.tiff.    the file I am starting with is a .png file

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    Test Screen Name
    Legend
    August 7, 2019

    What difficulty do you face in doing this? Is it that you don't know how, or that the results you get aren't what you expect?

    What version of Photoshop do you have?

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    Anonymous
    August 7, 2019

    I am using photoshop 7 version 6.1.   I have successfully completed this in the past a couple of times but now I can not remember how to do it.

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