TJpgDec.setCallback() return value #1573

Answered by Bodmer

picclock asked this question in Q&A - General

picclock
Jan 24, 2022

Hi Bodmer
Many thx for all your hard work, and a very useful library.
I need to be able to test the touch screen during jpeg image display time.
The TJpeg.setcallback calls a function (from example tft_output) which pushes a block of pixels to the screen, but also returns a value of 1.
Is setting the return value to 0 (zero) the correct way of aborting the image upload ?
Any help much appreciated.
Best Regards

Answered by Bodmer

Yes, example of use is here:
https://github.com/Bodmer/TJpg_Decoder/blob/master/examples/LittleFS/LittleFS_Jpg/LittleFS_Jpg.ino#L30-L31

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Replies: 1 comment 1 reply

Bodmer
Jan 24, 2022
Maintainer

Yes, example of use is here:
https://github.com/Bodmer/TJpg_Decoder/blob/master/examples/LittleFS/LittleFS_Jpg/LittleFS_Jpg.ino#L30-L31

1 reply

picclock Jan 25, 2022
Author

Hi Bodmer
Many Thanks.
I don't know how I missed that.
Best Regards
picclock

Answer selected by Bodmer

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