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Thread: TFT LCD Support for Pop-Up / Sliding Windows

  1. #1
    Member
    Join Date
    Jan 2015
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    Toms River, NJ USA
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    TFT LCD Support for Pop-Up / Sliding Windows

    I couldn't find a answer to this elsewhere, so...

    I'm looking to create a GUI that supports pop-up windows. For example, if you wanted to pop-up a rectangular dialog box, you would normally need to read all the pixels in the desired rectangular area on the current canvas, and save them into RAM.

    You would then draw the pop-up window onto your screen. When the pop-up was dismissed, you would restore the screen area with the copy that was previously saved into memory.

    I'm looking at the GFX libraries, but don't see any support that would help.

    Ideas welcome!

  2. #2
    Junior Member
    Join Date
    Dec 2016
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    5
    The best option are the TFT with graphic processor like FT81X or BT81X and probably SmartGPU. They run at 50-60 fps all the time, that's minds that the screen are refreshing all the time!.


    MCU: teensy 3.6
    TFT: NHD-5.0-800480FT-CTXL-CTP
    MicroSD: SanDisk Extreme 32Gb (class 3)

  3. #3
    Member
    Join Date
    Jan 2015
    Location
    Toms River, NJ USA
    Posts
    33
    Thanks for your suggestions. I looked but those TFTs are don't seem to be available in the size (4") I need and are well out of my product budget.

    I need s solution for a cheap (< $20) 4" serial (SPI)?) display, if possible.

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