How can you fill a square drawn with a canvas without using DrawShape?

[ABG]

Here's one approach to try.

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Search the board for Base64, there has been activity in that area.

A thread with sample projects:

Bluetooth HC-06 Send/Receive image.jpg file to/from Arduino. SdCard Reader. Text file

1.- App converts an image: pozo_4.jpg to string Base64 by an extension. The string is sent by Bluetooth HC-06 to Arduino. Arduino receives the string, converts it into the file pozo_4.txt and saves it in a micro SdCard. p9L2_Bluetooth_Base64_2.aia (78.7 KB) Asterik * for end_of_send You can try with pozo_4kB, pozo_20kB and pozo_50kB [base64i_13] Arduino UNO, BluetoothHC06 module, SdCard reader and microSdCard: [sdcard4b] Micro SdCard Reader search image. Code Arduino. #include <SD.h>…