├── moon.gif ├── moon_icon_animation ├── Timeline 1_0001.png ├── Timeline 1_0002.png ├── Timeline 1_0003.png ├── Timeline 1_0004.png ├── Timeline 1_0005.png ├── Timeline 1_0006.png ├── Timeline 1_0007.png ├── Timeline 1_0008.png ├── Timeline 1_0009.png ├── Timeline 1_0010.png ├── Timeline 1_0011.png ├── Timeline 1_0012.png ├── Timeline 1_0013.png ├── Timeline 1_0014.png ├── Timeline 1_0015.png ├── Timeline 1_0016.png ├── Timeline 1_0017.png ├── Timeline 1_0018.png ├── Timeline 1_0019.png ├── Timeline 1_0020.png ├── Timeline 1_0021.png ├── Timeline 1_0022.png ├── Timeline 1_0023.png ├── Timeline 1_0024.png ├── Timeline 1_0025.png ├── Timeline 1_0026.png ├── Timeline 1_0027.png ├── Timeline 1_0028.png ├── Timeline 1_0030.png ├── Timeline 1_0031.png ├── Timeline 1_0032.png ├── Timeline 1_0033.png ├── Timeline 1_0034.png └── Timeline 1_0035.png ├── .gitignore ├── oled_anim_outc.txt ├── README.md ├── oled_animation_to_c.py └── LICENSE /moon.gif: 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sdist/ 21 | var/ 22 | wheels/ 23 | pip-wheel-metadata/ 24 | share/python-wheels/ 25 | *.egg-info/ 26 | .installed.cfg 27 | *.egg 28 | MANIFEST 29 | 30 | # PyInstaller 31 | # Usually these files are written by a python script from a template 32 | # before PyInstaller builds the exe, so as to inject date/other infos into it. 33 | *.manifest 34 | *.spec 35 | 36 | # Installer logs 37 | pip-log.txt 38 | pip-delete-this-directory.txt 39 | 40 | # Unit test / coverage reports 41 | htmlcov/ 42 | .tox/ 43 | .nox/ 44 | .coverage 45 | .coverage.* 46 | .cache 47 | nosetests.xml 48 | coverage.xml 49 | *.cover 50 | *.py,cover 51 | .hypothesis/ 52 | .pytest_cache/ 53 | 54 | # Translations 55 | *.mo 56 | *.pot 57 | 58 | # Django stuff: 59 | *.log 60 | local_settings.py 61 | db.sqlite3 62 | db.sqlite3-journal 63 | 64 | # Flask stuff: 65 | instance/ 66 | .webassets-cache 67 | 68 | # Scrapy stuff: 69 | .scrapy 70 | 71 | # Sphinx documentation 72 | docs/_build/ 73 | 74 | # PyBuilder 75 | target/ 76 | 77 | # Jupyter Notebook 78 | .ipynb_checkpoints 79 | 80 | # IPython 81 | profile_default/ 82 | ipython_config.py 83 | 84 | # pyenv 85 | .python-version 86 | 87 | # pipenv 88 | # According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control. 89 | # However, in case of collaboration, if having platform-specific dependencies or dependencies 90 | # having no cross-platform support, pipenv may install dependencies that don't work, or not 91 | # install all needed dependencies. 92 | #Pipfile.lock 93 | 94 | # PEP 582; used by e.g. github.com/David-OConnor/pyflow 95 | __pypackages__/ 96 | 97 | # Celery stuff 98 | celerybeat-schedule 99 | celerybeat.pid 100 | 101 | # SageMath parsed files 102 | *.sage.py 103 | 104 | # Environments 105 | .env 106 | .venv 107 | env/ 108 | venv/ 109 | ENV/ 110 | env.bak/ 111 | venv.bak/ 112 | 113 | # Spyder project settings 114 | .spyderproject 115 | .spyproject 116 | 117 | # Rope project settings 118 | .ropeproject 119 | 120 | # mkdocs documentation 121 | /site 122 | 123 | # mypy 124 | .mypy_cache/ 125 | .dmypy.json 126 | dmypy.json 127 | 128 | # Pyre type checker 129 | .pyre/ 130 | -------------------------------------------------------------------------------- /oled_anim_outc.txt: -------------------------------------------------------------------------------- 1 | //************************************************** 2 | //* PLACE THESE VARIABLE DEFS AT BEGINNING OF FILE * 3 | //************************************************** 4 | #define ANIM_SIZE 352 // number of bytes in array, max is 1024 (minimize where possible) 5 | #define IDLE_FRAMES 34 //number of total frames 6 | 7 | //******************************************** 8 | //* Estimated PROGMEM Usage: 1244 bytes * 9 | //******************************************** 10 | static const char PROGMEM frame[ANIM_SIZE] = { 11 | 0x2F, 0x17, 0x4B, 0xA5, 0x43, 0x01, 0x02, 0x01, 0x00, 0x81, 0x80, 0x80, 0xC0, 0xC0, 0xC0, 12 | 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0x90, 0x80, 0x81, 0x00, 0x01, 0x02, 0x01, 0x03, 0x05, 0x8B, 13 | 0x17, 0x2F, 0x00, 0x00, 0x80, 0xE0, 0xF8, 0x9C, 0xC6, 0x66, 0x3F, 0x1B, 0x19, 0x09, 0x1F, 14 | 0x17, 0x3F, 0x3F, 0x1F, 0x0F, 0x0F, 0x0F, 0x0F, 0x1D, 0xF9, 0xFB, 0xFE, 0x9E, 0x1C, 0xF8, 15 | 0xE0, 0x80, 0x00, 0x00, 0x00, 0xFC, 0x87, 0x03, 0x01, 0x01, 0x0F, 0x04, 0x80, 0x80, 0x80, 16 | 0x80, 0x40, 0x30, 0x3F, 0xBE, 0x86, 0xC4, 0xC4, 0xE6, 0xF8, 0xF1, 0xE0, 0xE0, 0xF0, 0xF9, 17 | 0xAF, 0xCF, 0xFF, 0xFF, 0xFC, 0x00, 0x28, 0x10, 0x07, 0x1E, 0x30, 0x60, 0xC2, 0xC0, 0x82, 18 | 0x07, 0x01, 0x13, 0x0C, 0x1C, 0x9D, 0xFC, 0xE7, 0x81, 0xC2, 0x83, 0x8F, 0xDF, 0xFF, 0xFF, 19 | 0x7F, 0xBF, 0x7F, 0x27, 0x1F, 0x07, 0x00, 0x00, 0x50, 0xA0, 0x40, 0x82, 0x00, 0x00, 0x00, 20 | 0x01, 0x03, 0x03, 0x04, 0x04, 0x45, 0x05, 0x0E, 0x0C, 0x0C, 0x0F, 0x07, 0x07, 0x05, 0x05, 21 | 0x02, 0x83, 0x01, 0x10, 0x28, 0x10, 0x00, 0x80, 0x40, 0xA0, 0x2F, 0x4E, 0x5D, 0xBA, 0xBD, 22 | 0x7A, 0x74, 0x78, 0xF4, 0xE8, 0xF4, 0xE8, 0xF0, 0xE8, 0xD0, 0xE8, 0xD0, 0xE8, 0xD0, 0xE8, 23 | 0xF0, 0xE8, 0xF4, 0xE8, 0x74, 0x78, 0x74, 0xBA, 0xB5, 0x5A, 0x4D, 0x2E, 0x00, 0x08, 0x00, 24 | 0x00, 0x00, 0x81, 0x01, 0x01, 0x02, 0x02, 0x02, 0x42, 0x05, 0x05, 0x05, 0x05, 0x25, 0x05, 25 | 0x05, 0x05, 0x02, 0x02, 0x22, 0x02, 0x81, 0x01, 0x11, 0x10, 0x28, 0xC6, 0x28, 0x10, 0x08, 26 | 0x40, 0x00, 0x00, 0x01, 0x02, 0x01, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x80, 27 | 0x40, 0x80, 0x00, 0x04, 0x00, 0x01, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 28 | 0x00, 0x60, 0x60, 0x70, 0x68, 0x70, 0x60, 0x60, 0x62, 0x60, 0x60, 0x60, 0x60, 0x60, 0x68, 29 | 0x60, 0x60, 0x61, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x61, 30 | 0x60, 0x60, 0x60, 0x00, 0x00, 0x00, 0xF0, 0x00, 0x00, 0x00, 0x00, 0xF0, 0x50, 0x50, 0x50, 31 | 0x00, 0xF0, 0x00, 0x00, 0x00, 0xF0, 0x00, 0xF0, 0x50, 0x50, 0x50, 0x00, 0xF0, 0x00, 0x00, 32 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x02, 0x02, 0x02, 0x00, 0x03, 0x02, 33 | 0x02, 0x02, 0x00, 0x00, 0x01, 0x02, 0x01, 0x00, 0x00, 0x03, 0x02, 0x02, 0x02, 0x00, 0x03, 34 | 0x02, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 35 | }; 36 | 37 | static const uint16_t PROGMEM cumsum_inds[IDLE_FRAMES+1] = { 38 | 0, 3, 9, 11, 25, 47, 66, 81, 90, 94, 102, 107, 110, 111, 112, 39 | 116, 118, 121, 130, 133, 138, 154, 160, 164, 169, 187, 210, 225, 236, 242, 40 | 250, 252, 261, 266, 274, 41 | }; 42 | 43 | static const uint16_t PROGMEM change_inds[274] = { 44 | 15, 129, 234, 2, 3, 4, 127, 146, 214, 3, 234, 3, 29, 62, 63, 45 | 87, 88, 89, 113, 114, 115, 197, 228, 229, 230, 2, 3, 4, 62, 63, 46 | 87, 88, 89, 113, 114, 115, 137, 138, 139, 140, 141, 142, 143, 168, 169, 47 | 170, 229, 113, 114, 115, 137, 138, 139, 140, 141, 142, 143, 166, 167, 168, 48 | 169, 171, 196, 197, 198, 199, 138, 139, 166, 167, 168, 169, 170, 171, 196, 49 | 197, 198, 199, 214, 229, 284, 196, 197, 198, 199, 218, 221, 228, 229, 230, 50 | 196, 197, 199, 284, 29, 131, 219, 220, 221, 222, 223, 282, 219, 220, 221, 51 | 222, 223, 131, 218, 221, 263, 269, 153, 154, 155, 269, 154, 225, 216, 245, 52 | 263, 20, 238, 239, 240, 241, 242, 271, 272, 273, 154, 216, 225, 129, 153, 53 | 154, 155, 245, 15, 20, 29, 129, 203, 214, 218, 221, 238, 239, 240, 241, 54 | 242, 271, 272, 273, 15, 140, 214, 218, 221, 225, 20, 29, 140, 203, 2, 55 | 3, 4, 20, 140, 131, 152, 153, 154, 178, 179, 180, 181, 182, 183, 184, 56 | 205, 206, 207, 208, 224, 225, 269, 2, 3, 4, 152, 153, 154, 179, 180, 57 | 181, 182, 183, 184, 202, 203, 204, 205, 206, 224, 232, 233, 234, 235, 269, 58 | 20, 131, 178, 202, 203, 204, 205, 206, 207, 208, 231, 232, 233, 234, 235, 59 | 20, 140, 208, 230, 231, 232, 233, 234, 235, 261, 282, 127, 146, 208, 230, 60 | 232, 261, 127, 146, 239, 240, 241, 245, 272, 282, 127, 243, 20, 140, 216, 61 | 239, 240, 241, 243, 245, 272, 20, 140, 214, 218, 221, 15, 129, 146, 214, 62 | 216, 218, 221, 282, 63 | }; 64 | 65 | static const char PROGMEM change_vals[274] = { 66 | 0xC4, 0xA4, 0x00, 0x0B, 0x45, 0x03, 0x20, 0x27, 0x02, 0x05, 0x10, 0x45, 0x0B, 0x80, 0x40, 67 | 0xF0, 0xF8, 0xFD, 0x99, 0xCE, 0x87, 0x01, 0x00, 0x01, 0x00, 0x4B, 0xA5, 0x43, 0x00, 0x00, 68 | 0xE0, 0xF0, 0xF9, 0xF1, 0xFA, 0x9B, 0x83, 0xC4, 0xF4, 0x7D, 0x1F, 0x0F, 0x0F, 0xFE, 0xEF, 69 | 0xF7, 0x00, 0x81, 0xC2, 0x83, 0x03, 0x84, 0xC4, 0x45, 0x05, 0x0E, 0x0C, 0xF4, 0xF8, 0xFC, 70 | 0xFE, 0xE9, 0x38, 0x3F, 0x3F, 0x07, 0x04, 0x04, 0x74, 0x78, 0xF4, 0xE8, 0xF4, 0xE8, 0x30, 71 | 0x79, 0x31, 0x01, 0x22, 0x01, 0x60, 0x48, 0x91, 0x01, 0x21, 0x01, 0x44, 0x01, 0x02, 0x01, 72 | 0x00, 0x81, 0x01, 0x61, 0x8B, 0x80, 0x00, 0x10, 0x38, 0x10, 0x00, 0x64, 0x10, 0x28, 0x44, 73 | 0x28, 0x10, 0x82, 0x11, 0xC6, 0x60, 0x60, 0x00, 0x10, 0x00, 0x68, 0x00, 0x00, 0x01, 0x00, 74 | 0x62, 0x80, 0x80, 0x40, 0x20, 0x40, 0x80, 0x61, 0x62, 0x61, 0x10, 0x81, 0x40, 0xA0, 0x10, 75 | 0x28, 0x10, 0x01, 0xC0, 0x90, 0x0B, 0xA4, 0x02, 0x02, 0x01, 0x44, 0x00, 0x80, 0x40, 0x80, 76 | 0x00, 0x60, 0x61, 0x60, 0xC4, 0x05, 0x22, 0x11, 0xC6, 0x00, 0x80, 0x8B, 0x45, 0x42, 0x0B, 77 | 0x45, 0x03, 0x90, 0x05, 0x80, 0x81, 0x50, 0x68, 0xF0, 0xF8, 0xF8, 0xEC, 0xF6, 0xEB, 0x75, 78 | 0x1D, 0x0D, 0x07, 0x27, 0x00, 0x40, 0x60, 0x4B, 0xA5, 0x43, 0x01, 0x10, 0x28, 0xE8, 0xF0, 79 | 0xE8, 0xF4, 0xE8, 0x74, 0x82, 0xE2, 0x75, 0x3D, 0x0F, 0x08, 0x1C, 0x07, 0x13, 0x01, 0x68, 80 | 0x80, 0x82, 0xD0, 0x02, 0x42, 0x05, 0x05, 0x05, 0x05, 0x25, 0x60, 0x38, 0x1C, 0x1C, 0x02, 81 | 0x90, 0x45, 0x05, 0x41, 0x00, 0x80, 0x00, 0x10, 0x00, 0x61, 0x60, 0x00, 0x07, 0x25, 0x01, 82 | 0x00, 0x60, 0x20, 0x27, 0x00, 0x80, 0x00, 0x00, 0x60, 0x64, 0x00, 0x00, 0x80, 0x05, 0x01, 83 | 0x80, 0x40, 0x80, 0x04, 0x01, 0x61, 0x90, 0x45, 0x02, 0x01, 0x44, 0xC0, 0xA0, 0x07, 0x22, 84 | 0x81, 0x11, 0xC6, 0x60, 85 | }; 86 | 87 | uint16_t index_start = 0; 88 | uint16_t index_end = 0; 89 | static void change_frame_bytewise(uint8_t frame_number){ 90 | // for n changes this frame, change those bytes by change_inds and change_vals 91 | index_start = pgm_read_word(cumsum_inds + (frame_number-1)); 92 | index_end = pgm_read_word(cumsum_inds + (frame_number)); 93 | if (index_start != index_end){ // if a change in buffer 94 | for (uint16_t i=index_start; i < index_end; i++){ 95 | oled_write_raw_byte(pgm_read_byte(change_vals + i), pgm_read_word(change_inds + i)); 96 | } 97 | } 98 | } 99 | 100 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # qmk OLED animation compressor 2 | A short python script to compress .gif or image directories into looping C code for oled's with QMK firmware 3 | 4 | **Warning!** 5 | 6 | This will just give the C code for a looping animation. Code was made for an Elite C controller for QMK firmware and a 32x128 OLED. 7 | 8 | ### Purpose: 9 | 10 | Saving animation frames to flash memory or RAM for oled's is costly and limits the amount of frames you can animate with. This code will automatically calculate the changes needed to compress an animation into the following (hopefully smaller) amount of information in flash memory. It takes N frames and will make the following: 11 | 12 | * Base frame - one frame to write once to the OLED 13 | * cumsum_inds - a list of cumulative sum changes per frame, ie ```cumsum_inds[i] - cumsum_inds[i-1] ``` = amount of bytes to change per frame i. 14 | * change_inds - index in the byte array of the changes 15 | * change_vals - byte value to change at index 16 | 17 | **Warning** this may take more memory in flash based on the nature of the animation, lots of changes per frame = more changes to store in flash. Worst case scenario would be frames that flash completely black or white. 18 | 19 | This will provide the C code to paste into QMK .C firmware, keymap.c or .c 20 | 21 | The code is called via change_frame_bytewise(frame_number), note if you change frames out of order it will break the animation, as it only updates the bites from frame -i to frame i. You must also write the base frame just once somewhere, with the following: 22 | 23 | ``` 24 | oled_write_raw_P( frame, ANIM_SIZE); 25 | ``` 26 | I recommend defining a boolean to simply only render it once. 27 | 28 | ``` 29 | bool first_render = 1; 30 | 31 | static void render_anim(void) { 32 | void render_first(void){ 33 | oled_write_raw_P( frame, ANIM_SIZE); 34 | first_render = 0; 35 | } 36 | 37 | if (first_render){ 38 | render_first(); 39 | } 40 | ``` 41 | 42 | 43 | ### Example usage: 44 | 45 | ```python oled_animation_to_c.py ``` 46 | 47 | ### Arguments: 48 | 49 | ``` 50 | --to-file save the output to a textfile, default is false 51 | --output-fname output filename , default is oled_anim_outc.txt 52 | --orientation <'vertical'/'horizontal'> orientation formatting of the oled, default is 'vertical' 53 | 54 | ``` 55 | 56 | 57 | ## Dependancies and Tools: 58 | 59 | PIL - https://pillow.readthedocs.io/en/stable/ 60 | Numpy - https://numpy.org/doc/stable/ 61 | 62 | ## Credits 63 | 64 | Image2cpp: https://javl.github.io/image2cpp/ for the conversions from np uint8 to byte arrays 65 | 66 | Kyria https://github.com/qmk/qmk_firmware/blob/master/keyboards/kyria/keymaps/j-inc/keymap.c 67 | for an idea of how to set up an animation for a qmk keymap 68 | 69 | 70 | 71 | 72 | ## Full example for moon.gif 73 | 74 | Input: 75 | ``` 76 | python oled_animation_to_c.py ./moon.gif --to-file=True 77 | ``` 78 | Output: 79 | ``` 80 | used RAM: 0 81 | total RAM: 2500 82 | 83 | ------------------ 84 | 85 | //************************************************** 86 | //* PLACE THESE VARIABLE DEFS AT BEGINNING OF FILE * 87 | //************************************************** 88 | #define ANIM_SIZE 352 // number of bytes in array, max is 1024 (minimize where possible) 89 | #define IDLE_FRAMES 34 //number of total frames 90 | 91 | //******************************************** 92 | //* Compression ratio: 9.621 to 1 * 93 | //* Estimated PROGMEM Usage: 1244 bytes * 94 | //******************************************** 95 | static const char PROGMEM frame[ANIM_SIZE] = { 96 | 0x2F, 0x17, 0x4B, 0xA5, 0x43, 0x01, 0x02, 0x01, 0x00, 0x81, 0x80, 0x80, 0xC0, 0xC0, 0xC0, 97 | 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0x90, 0x80, 0x81, 0x00, 0x01, 0x02, 0x01, 0x03, 0x05, 0x8B, 98 | 0x17, 0x2F, 0x00, 0x00, 0x80, 0xE0, 0xF8, 0x9C, 0xC6, 0x66, 0x3F, 0x1B, 0x19, 0x09, 0x1F, 99 | 0x17, 0x3F, 0x3F, 0x1F, 0x0F, 0x0F, 0x0F, 0x0F, 0x1D, 0xF9, 0xFB, 0xFE, 0x9E, 0x1C, 0xF8, 100 | 0xE0, 0x80, 0x00, 0x00, 0x00, 0xFC, 0x87, 0x03, 0x01, 0x01, 0x0F, 0x04, 0x80, 0x80, 0x80, 101 | 0x80, 0x40, 0x30, 0x3F, 0xBE, 0x86, 0xC4, 0xC4, 0xE6, 0xF8, 0xF1, 0xE0, 0xE0, 0xF0, 0xF9, 102 | 0xAF, 0xCF, 0xFF, 0xFF, 0xFC, 0x00, 0x28, 0x10, 0x07, 0x1E, 0x30, 0x60, 0xC2, 0xC0, 0x82, 103 | 0x07, 0x01, 0x13, 0x0C, 0x1C, 0x9D, 0xFC, 0xE7, 0x81, 0xC2, 0x83, 0x8F, 0xDF, 0xFF, 0xFF, 104 | 0x7F, 0xBF, 0x7F, 0x27, 0x1F, 0x07, 0x00, 0x00, 0x50, 0xA0, 0x40, 0x82, 0x00, 0x00, 0x00, 105 | 0x01, 0x03, 0x03, 0x04, 0x04, 0x45, 0x05, 0x0E, 0x0C, 0x0C, 0x0F, 0x07, 0x07, 0x05, 0x05, 106 | 0x02, 0x83, 0x01, 0x10, 0x28, 0x10, 0x00, 0x80, 0x40, 0xA0, 0x2F, 0x4E, 0x5D, 0xBA, 0xBD, 107 | 0x7A, 0x74, 0x78, 0xF4, 0xE8, 0xF4, 0xE8, 0xF0, 0xE8, 0xD0, 0xE8, 0xD0, 0xE8, 0xD0, 0xE8, 108 | 0xF0, 0xE8, 0xF4, 0xE8, 0x74, 0x78, 0x74, 0xBA, 0xB5, 0x5A, 0x4D, 0x2E, 0x00, 0x08, 0x00, 109 | 0x00, 0x00, 0x81, 0x01, 0x01, 0x02, 0x02, 0x02, 0x42, 0x05, 0x05, 0x05, 0x05, 0x25, 0x05, 110 | 0x05, 0x05, 0x02, 0x02, 0x22, 0x02, 0x81, 0x01, 0x11, 0x10, 0x28, 0xC6, 0x28, 0x10, 0x08, 111 | 0x40, 0x00, 0x00, 0x01, 0x02, 0x01, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x80, 112 | 0x40, 0x80, 0x00, 0x04, 0x00, 0x01, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 113 | 0x00, 0x60, 0x60, 0x70, 0x68, 0x70, 0x60, 0x60, 0x62, 0x60, 0x60, 0x60, 0x60, 0x60, 0x68, 114 | 0x60, 0x60, 0x61, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x61, 115 | 0x60, 0x60, 0x60, 0x00, 0x00, 0x00, 0xF0, 0x00, 0x00, 0x00, 0x00, 0xF0, 0x50, 0x50, 0x50, 116 | 0x00, 0xF0, 0x00, 0x00, 0x00, 0xF0, 0x00, 0xF0, 0x50, 0x50, 0x50, 0x00, 0xF0, 0x00, 0x00, 117 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x02, 0x02, 0x02, 0x00, 0x03, 0x02, 118 | 0x02, 0x02, 0x00, 0x00, 0x01, 0x02, 0x01, 0x00, 0x00, 0x03, 0x02, 0x02, 0x02, 0x00, 0x03, 119 | 0x02, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 120 | }; 121 | 122 | static const uint16_t PROGMEM cumsum_inds[IDLE_FRAMES+1] = { 123 | 0, 3, 9, 11, 25, 47, 66, 81, 90, 94, 102, 107, 110, 111, 112, 124 | 116, 118, 121, 130, 133, 138, 154, 160, 164, 169, 187, 210, 225, 236, 242, 125 | 250, 252, 261, 266, 274, 126 | }; 127 | 128 | static const uint16_t PROGMEM change_inds[274] = { 129 | 15, 129, 234, 2, 3, 4, 127, 146, 214, 3, 234, 3, 29, 62, 63, 130 | 87, 88, 89, 113, 114, 115, 197, 228, 229, 230, 2, 3, 4, 62, 63, 131 | 87, 88, 89, 113, 114, 115, 137, 138, 139, 140, 141, 142, 143, 168, 169, 132 | 170, 229, 113, 114, 115, 137, 138, 139, 140, 141, 142, 143, 166, 167, 168, 133 | 169, 171, 196, 197, 198, 199, 138, 139, 166, 167, 168, 169, 170, 171, 196, 134 | 197, 198, 199, 214, 229, 284, 196, 197, 198, 199, 218, 221, 228, 229, 230, 135 | 196, 197, 199, 284, 29, 131, 219, 220, 221, 222, 223, 282, 219, 220, 221, 136 | 222, 223, 131, 218, 221, 263, 269, 153, 154, 155, 269, 154, 225, 216, 245, 137 | 263, 20, 238, 239, 240, 241, 242, 271, 272, 273, 154, 216, 225, 129, 153, 138 | 154, 155, 245, 15, 20, 29, 129, 203, 214, 218, 221, 238, 239, 240, 241, 139 | 242, 271, 272, 273, 15, 140, 214, 218, 221, 225, 20, 29, 140, 203, 2, 140 | 3, 4, 20, 140, 131, 152, 153, 154, 178, 179, 180, 181, 182, 183, 184, 141 | 205, 206, 207, 208, 224, 225, 269, 2, 3, 4, 152, 153, 154, 179, 180, 142 | 181, 182, 183, 184, 202, 203, 204, 205, 206, 224, 232, 233, 234, 235, 269, 143 | 20, 131, 178, 202, 203, 204, 205, 206, 207, 208, 231, 232, 233, 234, 235, 144 | 20, 140, 208, 230, 231, 232, 233, 234, 235, 261, 282, 127, 146, 208, 230, 145 | 232, 261, 127, 146, 239, 240, 241, 245, 272, 282, 127, 243, 20, 140, 216, 146 | 239, 240, 241, 243, 245, 272, 20, 140, 214, 218, 221, 15, 129, 146, 214, 147 | 216, 218, 221, 282, 148 | }; 149 | 150 | static const char PROGMEM change_vals[274] = { 151 | 0xC4, 0xA4, 0x00, 0x0B, 0x45, 0x03, 0x20, 0x27, 0x02, 0x05, 0x10, 0x45, 0x0B, 0x80, 0x40, 152 | 0xF0, 0xF8, 0xFD, 0x99, 0xCE, 0x87, 0x01, 0x00, 0x01, 0x00, 0x4B, 0xA5, 0x43, 0x00, 0x00, 153 | 0xE0, 0xF0, 0xF9, 0xF1, 0xFA, 0x9B, 0x83, 0xC4, 0xF4, 0x7D, 0x1F, 0x0F, 0x0F, 0xFE, 0xEF, 154 | 0xF7, 0x00, 0x81, 0xC2, 0x83, 0x03, 0x84, 0xC4, 0x45, 0x05, 0x0E, 0x0C, 0xF4, 0xF8, 0xFC, 155 | 0xFE, 0xE9, 0x38, 0x3F, 0x3F, 0x07, 0x04, 0x04, 0x74, 0x78, 0xF4, 0xE8, 0xF4, 0xE8, 0x30, 156 | 0x79, 0x31, 0x01, 0x22, 0x01, 0x60, 0x48, 0x91, 0x01, 0x21, 0x01, 0x44, 0x01, 0x02, 0x01, 157 | 0x00, 0x81, 0x01, 0x61, 0x8B, 0x80, 0x00, 0x10, 0x38, 0x10, 0x00, 0x64, 0x10, 0x28, 0x44, 158 | 0x28, 0x10, 0x82, 0x11, 0xC6, 0x60, 0x60, 0x00, 0x10, 0x00, 0x68, 0x00, 0x00, 0x01, 0x00, 159 | 0x62, 0x80, 0x80, 0x40, 0x20, 0x40, 0x80, 0x61, 0x62, 0x61, 0x10, 0x81, 0x40, 0xA0, 0x10, 160 | 0x28, 0x10, 0x01, 0xC0, 0x90, 0x0B, 0xA4, 0x02, 0x02, 0x01, 0x44, 0x00, 0x80, 0x40, 0x80, 161 | 0x00, 0x60, 0x61, 0x60, 0xC4, 0x05, 0x22, 0x11, 0xC6, 0x00, 0x80, 0x8B, 0x45, 0x42, 0x0B, 162 | 0x45, 0x03, 0x90, 0x05, 0x80, 0x81, 0x50, 0x68, 0xF0, 0xF8, 0xF8, 0xEC, 0xF6, 0xEB, 0x75, 163 | 0x1D, 0x0D, 0x07, 0x27, 0x00, 0x40, 0x60, 0x4B, 0xA5, 0x43, 0x01, 0x10, 0x28, 0xE8, 0xF0, 164 | 0xE8, 0xF4, 0xE8, 0x74, 0x82, 0xE2, 0x75, 0x3D, 0x0F, 0x08, 0x1C, 0x07, 0x13, 0x01, 0x68, 165 | 0x80, 0x82, 0xD0, 0x02, 0x42, 0x05, 0x05, 0x05, 0x05, 0x25, 0x60, 0x38, 0x1C, 0x1C, 0x02, 166 | 0x90, 0x45, 0x05, 0x41, 0x00, 0x80, 0x00, 0x10, 0x00, 0x61, 0x60, 0x00, 0x07, 0x25, 0x01, 167 | 0x00, 0x60, 0x20, 0x27, 0x00, 0x80, 0x00, 0x00, 0x60, 0x64, 0x00, 0x00, 0x80, 0x05, 0x01, 168 | 0x80, 0x40, 0x80, 0x04, 0x01, 0x61, 0x90, 0x45, 0x02, 0x01, 0x44, 0xC0, 0xA0, 0x07, 0x22, 169 | 0x81, 0x11, 0xC6, 0x60, 170 | }; 171 | 172 | uint16_t index_start = 0; 173 | uint16_t index_end = 0; 174 | static void change_frame_bytewise(uint8_t frame_number){ 175 | // for n changes this frame, change those bytes by change_inds and change_vals 176 | index_start = pgm_read_word(cumsum_inds + (frame_number-1)); 177 | index_end = pgm_read_word(cumsum_inds + (frame_number)); 178 | if (index_start != index_end){ // if a change in buffer 179 | for (uint16_t i=index_start; i < index_end; i++){ 180 | oled_write_raw_byte(pgm_read_byte(change_vals + i), pgm_read_word(change_inds + i)); 181 | } 182 | } 183 | } 184 | 185 | 186 | ``` 187 | 188 | 189 | -------------------------------------------------------------------------------- /oled_animation_to_c.py: -------------------------------------------------------------------------------- 1 | # -*- coding: utf-8 -*- 2 | """ 3 | Created on Sun Apr 11 13:52:52 2021 4 | 5 | @author: amab 6 | """ 7 | 8 | import argparse 9 | 10 | # Convert image to bytes 11 | import PIL.Image as Image 12 | from PIL import ImageSequence 13 | import numpy as np 14 | import io 15 | import os 16 | import warnings 17 | 18 | parser = argparse.ArgumentParser(description='Convert a directory of images to compressed C code for OLED animations') 19 | parser.add_argument('--to-file', dest='save_file', 20 | default=0, 21 | help='save the output to a text file?') 22 | 23 | parser.add_argument('--output-fname', dest='out_fname', 24 | default='oled_anim_outc.txt', 25 | help='output text filename if to-file is true') 26 | 27 | parser.add_argument('--orientation', dest='ori', 28 | default='vertical', 29 | help='orientation formatting of the oled') 30 | 31 | parser.add_argument('directory', type=str,help='Directory of images (.PNG) to convert') 32 | args = parser.parse_args() 33 | directory = args.directory 34 | ori = args.ori 35 | 36 | tofile = args.save_file 37 | outfname = args.out_fname 38 | 39 | 40 | 41 | class ViableImageError(Exception): 42 | """exception for when images are not uniform size 43 | 44 | Attributes: 45 | expression -- input expression in which the error occurred 46 | message -- explanation of the error 47 | """ 48 | 49 | def __init__(self, expression, message): 50 | self.expression = expression 51 | self.message = message 52 | 53 | class ImageConsistencyError(Exception): 54 | """exception for when images are not uniform size 55 | 56 | Attributes: 57 | expression -- input expression in which the error occurred 58 | message -- explanation of the error 59 | """ 60 | 61 | def __init__(self, expression, message): 62 | self.expression = expression 63 | self.message = message 64 | 65 | 66 | 67 | 68 | def check_image_dir(directory): 69 | ''' 70 | make sure the image directory is fine to use 71 | 72 | Parameters 73 | ---------- 74 | directory : string 75 | directory of an folder with images to convert. 76 | 77 | Raises 78 | ------ 79 | IOError 80 | In/out error. 81 | ViableImageError 82 | no viable images found. 83 | ImageConsistencyError 84 | images are not the same size. 85 | 86 | Returns 87 | ------- 88 | flist : list 89 | list of file paths to the images fine. 90 | 91 | ''' 92 | flist = [] 93 | for root, dirs, files in os.walk(directory): 94 | for file in files: 95 | if file.endswith(".png"): 96 | flist.append(os.path.join(root, file)) 97 | 98 | if len(flist) < 0: 99 | try: 100 | raise IOError 101 | except IOError as exc: 102 | raise ViableImageError('Found no png files within this directory: ', directory) from exc 103 | h = [] 104 | w = [] 105 | modes = [] 106 | for file in flist: 107 | ii = Image.open( file ) 108 | h.append(ii.height) 109 | w.append(ii.width) 110 | 111 | 112 | if len(set(h)) >1 or len(set(w)) > 1: 113 | try: 114 | raise IOError 115 | except IOError as exc: 116 | raise ImageConsistencyError('Images in the directory are not a consistent size: ', directory) from exc 117 | 118 | return flist 119 | 120 | 121 | if directory[-4:] == '.gif': 122 | img = Image.open(directory) 123 | frames =[np.array(frame.copy().convert('RGBA').getdata(),dtype=np.uint8).reshape(frame.size[1],frame.size[0],4) for frame in ImageSequence.Iterator(img)] 124 | 125 | else: 126 | flist = check_image_dir(directory) 127 | 128 | def convert_gif_2_carr(frames, w=32,h=88,thresh=50): 129 | return [convert_to_carr(frames[x],w=w,h=h, thresh=thresh) for x in range(0,len(frames))] 130 | 131 | def convert_flist_2_carr(file_list, w=32,h=88,thresh=50): 132 | return [im2carr(file_list[x],w=w,h=h, thresh=thresh) for x in range(0,len(file_list))] 133 | 134 | def im2carr(file,w=32,h=88,thresh=50 ): 135 | im = np.array(Image.open( file ).convert('RGBA') ) 136 | return convert_to_carr(im,w=w,h=h,thresh=thresh) 137 | 138 | 139 | def convert_to_carr(im_arr,w=32,h=88,thresh=50): 140 | if ori.lower() == 'vertical': 141 | return convert_to_carr_vert(im_arr,w=32,h=88,thresh=50) 142 | if ori.lower() == 'horizontal': 143 | return convert_to_carr_horz(im_arr,w=32,h=88,thresh=50) 144 | 145 | def convert_to_carr_horz(im_arr,w=32,h=88,thresh=50): 146 | data = im_arr.flatten() 147 | output_str = "" 148 | output_index = 0 149 | screenheight = h 150 | screenwidth = w 151 | byteIndex = 7 152 | number = 0 153 | k= 0 154 | for i in range(0,len(data),4): 155 | avg = (data[i] + data[i+1] + data[i+2])/3 156 | if avg > thresh: 157 | number+= np.power(2,byteIndex) 158 | byteIndex -=1 159 | 160 | if ( (i !=0) and ((int(i/4)+1)%w) ) or (i == len(data) - 4): 161 | bytIndex=-1 162 | 163 | if byteIndex < 0: 164 | byteset = np.base_repr(number,base=16) 165 | 166 | while len(byteset) < 2: 167 | byteset = '0' + byteset 168 | byteset = '0x' + byteset 169 | if k != 0: 170 | output_str = (output_str + ', ' + byteset ) 171 | else: 172 | output_str = byteset 173 | k+=1 174 | output_index += 1 175 | number = 0 176 | byteIndex=7 177 | return output_str 178 | 179 | 180 | 181 | 182 | def convert_to_carr_vert(im_arr,w=32,h=88,thresh=50 ): 183 | ''' 184 | converts a PIL image np array to a C byte array 185 | 186 | Parameters 187 | ---------- 188 | im_arr : PIL numpy array of an image 189 | image data to convert. 190 | w : width, int, optional 191 | width of the images, autodetected. The default is 32. 192 | h : height, int, optional 193 | height of the images, autodetected. The default is 88. 194 | 195 | Returns 196 | ------- 197 | output_str : TYPE 198 | DESCRIPTION. 199 | 200 | ''' 201 | 202 | data = im_arr.flatten() 203 | 204 | output_str = "" 205 | output_index = 0 206 | 207 | 208 | screenheight = h 209 | screenwidth = w 210 | 211 | k = 0 212 | for p in range(0,int(np.ceil(screenheight)/8 )): 213 | for x in range(0,screenwidth ): 214 | byteIndex = 7 215 | number = 0 216 | 217 | for y in range(7,-1,-1): 218 | index = ((p*8)+y)*(screenwidth*4) + x*4 219 | avg = (data[index] + data[index+1] + data[index+2])/3 220 | 221 | 222 | 223 | if avg > thresh: 224 | number+= np.power(2,byteIndex) 225 | byteIndex -=1 226 | 227 | byteset = np.base_repr(number,base=16) 228 | 229 | while len(byteset) < 2: 230 | byteset = '0' + byteset 231 | byteset = '0x' + byteset 232 | if k != 0: 233 | output_str = (output_str + ', ' + byteset ) 234 | else: 235 | output_str = byteset 236 | k+=1 237 | output_index += 1 238 | 239 | return output_str 240 | 241 | # make all the byte strings here 242 | 243 | if directory[-4:] == '.gif': 244 | strs = convert_gif_2_carr(frames ) 245 | else: 246 | strs = convert_flist_2_carr(flist ) 247 | 248 | 249 | strs.append(strs[0]) 250 | 251 | def compress_strs(strs): 252 | ''' 253 | 254 | 255 | Parameters 256 | ---------- 257 | strs : list of c arrays as strings 258 | c arrays as strings to compress . 259 | 260 | Returns 261 | ------- 262 | base_arr : list 263 | list of bytes for the base array. 264 | changes : list 265 | byte change indexes per frame. 266 | changes_values : TYPE 267 | byte change values per frame. 268 | 269 | ''' 270 | base_arr = strs[0].replace(' ','').split(',') 271 | changes = [] 272 | changes_values = [] 273 | 274 | for i in range(1,len(strs) ): 275 | str_list2 = strs[i].replace(' ','').split(',') 276 | str_list1 = strs[i-1].replace(' ','').split(',') 277 | changes.append([x for x in range(len(str_list2)) if str_list2[x] != str_list1[x]] ) 278 | changes_values.append([str_list2[x] for x in range(len(str_list2)) if str_list2[x] != str_list1[x]] ) 279 | return base_arr, changes,changes_values 280 | 281 | 282 | frame0, changes,changes_values = compress_strs(strs) 283 | 284 | change_lens = [len(x) for x in changes] 285 | max_change = max([len(x) for x in changes]) 286 | 287 | change_array= np.zeros([len(changes),max_change]) 288 | for i in range(len(changes)): 289 | while len(changes[i]) < max_change: 290 | changes[i] = changes[i] + [-1,] 291 | change_array[i,:] = changes[i] 292 | 293 | 294 | 295 | for i in range(len(changes_values)): 296 | while len(changes_values[i]) < max_change: 297 | changes_values[i] = changes_values[i] + ['0x1F',] 298 | 299 | changes_str_flat = [item for sublist in changes_values for item in sublist] 300 | changes_str_to_paste = ' ,'.join(changes_str_flat) 301 | 302 | 303 | anim_size = len(strs[0].replace(' ','').split(',')) 304 | n_frames = len(change_lens) 305 | total_mem = n_frames*max_change*2 + anim_size + n_frames*2 + max_change*n_frames 306 | max_mem = 2500 307 | 308 | 309 | 310 | frame0, changes,changes_values = compress_strs(strs) 311 | change_lens = [len(x) for x in changes] 312 | change_inds_flat = [item for sublist in changes for item in sublist] 313 | change_vals_flat = [item for sublist in changes_values for item in sublist] 314 | 315 | 316 | raw_mem_size = (len(strs)-1)*len(frame0) 317 | 318 | 319 | cumsum_memory = 0 320 | prog_mem = 0 321 | 322 | if len(change_inds_flat) < 254: 323 | cum_typestr = 'uint8_t' 324 | prog_mem += (n_frames+1) 325 | else: 326 | prog_mem += (n_frames+1)*2 327 | cum_typestr = 'uint16_t' 328 | 329 | 330 | if max(change_inds_flat) < 254: 331 | inds_typestr = 'uint8_t' 332 | prog_mem += len(change_vals_flat) + len(change_vals_flat) + len(frame0) 333 | else: 334 | prog_mem += 2*len(change_vals_flat) + len(change_vals_flat) + len(frame0) 335 | inds_typestr = 'uint16_t' 336 | 337 | 338 | #add all the C code text to paste here, auto change types based on sizes 339 | 340 | if prog_mem > 7500: 341 | warnings.warn('This will take %i bytes in flash memory, this likely will not compile into hex as it is too big for pro-microcontoller.'%prog_mem) 342 | 343 | print(' ') 344 | print(' ') 345 | 346 | cumsum_lens = [0,] + np.cumsum(change_lens).tolist() 347 | ind = 0 348 | 349 | 350 | newlines = [] 351 | newlines.append('//**************************************************') 352 | #newlines.append('//* Estimated RAM usage: %i / 2500 bytes * '%cumsum_memory) 353 | newlines.append('//* PLACE THESE VARIABLE DEFS AT BEGINNING OF FILE *') 354 | newlines.append('//**************************************************') 355 | 356 | newlines.append('#define ANIM_SIZE %i // number of bytes in array, max is 1024 (minimize where possible)' %len(frame0)) 357 | newlines.append('#define IDLE_FRAMES %i //number of total frames'% (len(strs)-1)) 358 | newlines.append(' ') 359 | newlines.append('//********************************************') 360 | #newlines.append('//* Estimated RAM usage: %i / 2500 bytes * '%cumsum_memory) 361 | newlines.append('//* Compression ratio: %1.3f to 1 *' % (raw_mem_size/prog_mem)) 362 | newlines.append('//* Estimated PROGMEM Usage: %i bytes *' %prog_mem) 363 | newlines.append('//********************************************') 364 | 365 | 366 | # BASE FRAME 367 | str1 = 'static const char PROGMEM frame[ANIM_SIZE] = {' 368 | newlines.append(str1) 369 | kind = 0 370 | tmpstr = '\t' 371 | for i in range(len(frame0)): 372 | 373 | 374 | tmpstr = tmpstr + frame0[i] + ', ' 375 | kind += 1 376 | if kind == 15: 377 | newlines.append(tmpstr) 378 | tmpstr = '\t' 379 | kind = 0 380 | 381 | newlines.append(tmpstr) 382 | newlines.append('};') 383 | newlines.append(' ') 384 | 385 | # Cumulative sum , how many changes per frame 386 | str1 = 'static const ' + cum_typestr + ' PROGMEM cumsum_inds[IDLE_FRAMES+1] = {' 387 | newlines.append(str1) 388 | kind = 0 389 | tmpstr = '\t' 390 | for i in range(len(cumsum_lens)): 391 | 392 | 393 | tmpstr = tmpstr + str(cumsum_lens[i]) + ', ' 394 | kind += 1 395 | if kind == 15: 396 | newlines.append(tmpstr) 397 | tmpstr = '\t' 398 | kind = 0 399 | newlines.append(tmpstr) 400 | newlines.append('};') 401 | newlines.append(' ') 402 | 403 | 404 | # Change index locations 405 | str1 = 'static const ' + inds_typestr + ' PROGMEM change_inds[%i] = {'%len(change_inds_flat) 406 | newlines.append(str1) 407 | kind = 0 408 | tmpstr = '\t' 409 | for i in range(len(change_inds_flat)): 410 | 411 | 412 | tmpstr = tmpstr + str(change_inds_flat[i]) + ', ' 413 | kind += 1 414 | if kind == 15: 415 | newlines.append(tmpstr) 416 | tmpstr = '\t' 417 | kind = 0 418 | 419 | newlines.append(tmpstr) 420 | newlines.append('};') 421 | newlines.append(' ') 422 | 423 | # Change values 424 | str1 = 'static const char PROGMEM change_vals[%i] = {'%len(change_vals_flat) 425 | newlines.append(str1) 426 | kind = 0 427 | tmpstr = '\t' 428 | for i in range(len(change_vals_flat)): 429 | 430 | 431 | tmpstr = tmpstr + str(change_vals_flat[i]) + ', ' 432 | kind += 1 433 | if kind == 15: 434 | newlines.append(tmpstr) 435 | tmpstr = '\t' 436 | kind = 0 437 | 438 | newlines.append(tmpstr) 439 | newlines.append('};') 440 | newlines.append(' ') 441 | newlines.append( (cum_typestr+ ' index_start = 0;')) 442 | newlines.append((cum_typestr+ ' index_end = 0;')) 443 | 444 | 445 | # Loop code here 446 | 447 | total_frames = len(strs)+1 448 | 449 | if total_frames > 254: 450 | newlines.append('static void change_frame_bytewise(uint16_t frame_number){ ') 451 | else: 452 | newlines.append('static void change_frame_bytewise(uint8_t frame_number){ ') 453 | 454 | newlines.append('// for n changes this frame, change those bytes by change_inds and change_vals') 455 | newlines.append( '\tindex_start = pgm_read_word(cumsum_inds + (frame_number-1));') 456 | newlines.append('\tindex_end = pgm_read_word(cumsum_inds + (frame_number));') 457 | 458 | newlines.append('\tif (index_start != index_end){ // if a change in buffer') 459 | newlines.append( ('\t\tfor ('+ cum_typestr + ' i=index_start; i < index_end; i++){')) 460 | newlines.append('\t\t\toled_write_raw_byte(pgm_read_byte(change_vals + i), pgm_read_word(change_inds + i));') 461 | newlines.append('\t\t}') 462 | newlines.append('\t}') 463 | newlines.append('}') 464 | newlines.append(' ') 465 | 466 | print('used RAM: %i' % cumsum_memory) 467 | print('total RAM: 2500 ') 468 | print(' ') 469 | print('------------------') 470 | print(' ') 471 | 472 | for x in newlines: 473 | print(x) 474 | 475 | 476 | # save to file if needed 477 | if tofile: 478 | with open(outfname, 'w') as f: 479 | f.writelines("%s\n" % st for st in newlines) 480 | 481 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this 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No Surrender of Others' Freedom. 541 | 542 | If conditions are imposed on you (whether by court order, agreement or 543 | otherwise) that contradict the conditions of this License, they do not 544 | excuse you from the conditions of this License. If you cannot convey a 545 | covered work so as to satisfy simultaneously your obligations under this 546 | License and any other pertinent obligations, then as a consequence you may 547 | not convey it at all. For example, if you agree to terms that obligate you 548 | to collect a royalty for further conveying from those to whom you convey 549 | the Program, the only way you could satisfy both those terms and this 550 | License would be to refrain entirely from conveying the Program. 551 | 552 | 13. Use with the GNU Affero General Public License. 553 | 554 | Notwithstanding any other provision of this License, you have 555 | permission to link or combine any covered work with a work licensed 556 | under version 3 of the GNU Affero General Public License into a single 557 | combined work, and to convey the resulting work. The terms of this 558 | License will continue to apply to the part which is the covered work, 559 | but the special requirements of the GNU Affero General Public License, 560 | section 13, concerning interaction through a network will apply to the 561 | combination as such. 562 | 563 | 14. Revised Versions of this License. 564 | 565 | The Free Software Foundation may publish revised and/or new versions of 566 | the GNU General Public License from time to time. Such new versions will 567 | be similar in spirit to the present version, but may differ in detail to 568 | address new problems or concerns. 569 | 570 | Each version is given a distinguishing version number. If the 571 | Program specifies that a certain numbered version of the GNU General 572 | Public License "or any later version" applies to it, you have the 573 | option of following the terms and conditions either of that numbered 574 | version or of any later version published by the Free Software 575 | Foundation. If the Program does not specify a version number of the 576 | GNU General Public License, you may choose any version ever published 577 | by the Free Software Foundation. 578 | 579 | If the Program specifies that a proxy can decide which future 580 | versions of the GNU General Public License can be used, that proxy's 581 | public statement of acceptance of a version permanently authorizes you 582 | to choose that version for the Program. 583 | 584 | Later license versions may give you additional or different 585 | permissions. However, no additional obligations are imposed on any 586 | author or copyright holder as a result of your choosing to follow a 587 | later version. 588 | 589 | 15. Disclaimer of Warranty. 590 | 591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 592 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 599 | 600 | 16. Limitation of Liability. 601 | 602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 610 | SUCH DAMAGES. 611 | 612 | 17. Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | --------------------------------------------------------------------------------