This command line utility will load most common image formats and output a C/C++ header file that can be used in Arduino or similar platforms to draw it as a bitmap from a byte array.
Usage:
binaryconv imagepath [outputname]
So basically given a monochrome image like this:
...you get output like:
#define image_width 128
#define image_height 9
const uint8_t PROGMEM image_data[] = {
B00111111, B11110000, B10000110, B00010010, B00000100, B11111110, B01111111,
B11111000, B00000010, B00011111, B11111000, B01111111, B11110001, B11111111,
B11100000, B10000000, B01000000, B00001000, B01001001, B00100001, B00000101,
B10000000, B01000000, B00000000, B00000010, B00100000, B00000100, B10000000,
B00001001, B00000000, B00000001, B00000000, B01000000, B00000100, B01001001,
B00100000, B10000101, B01000000, B01000000, B00000000, B00000010, B01000000,
B00000100, B10000000, B00001001, B00000000, B00000010, B00000000, B01000000,
B00000000, B01001001, B00100000, B01000101, B00100000, B01000000, B00000000,
B00000010, B00000000, B00000100, B10000000, B00001001, B00000000, B00000100,
B00000000, B00111111, B11111000, B01001001, B00100000, B00100101, B00010000,
B00100000, B00000111, B11111110, B00011111, B11111100, B11111111, B11111000,
B10000000, B00000111, B11111111, B00000000, B00000100, B01001001, B00100000,
B00010101, B00001000, B00010000, B00000000, B00000010, B00000000, B00000100,
B10000000, B00001000, B01000000, B00000100, B00000000, B01000000, B00000100,
B01001001, B00100000, B00001101, B00000100, B00001100, B00000000, B00000010,
B01000000, B00000100, B10000000, B00001000, B00110000, B00000010, B00000000,
B00100000, B00001000, B00110000, B11000011, B11111001, B00000010, B00000011,
B00000000, B00000010, B00100000, B00000100, B10000000, B00001000, B00001100,
B00000001, B00000000, B00011111, B11110000, B00000000, B00000000, B00000000,
B00000000, B00000000, B11111000, B00000010, B00011111, B11111000, B00000000,
B00000000, B00000011, B11100000, B10000000,
};
The bytes are arranged into rows of 7 each, each bit is literally 1 or 0.
Please make sure the image is already monochrome going in, this simply uses the value of "B" (from RGB) so it assumes you dithered it and did color reduction in a graphics program before running this utility.
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