GBImg

Introduction

GBImg is a command-line tool that allow you to convert BMP and PNG images into the Gamebuino flash memory format.

It can also handle animated images and spritesheets

It currently support only uint8_t[] flash images in the indexed mode

Usage:
  GBImg [OPTION...]
  -o, --output-path arg         File name of the export (default: code.hpp)
  -i, --image-input arg         Image path to convert
  -c, --code-name arg           identifier in the exported code (default:
                                image)
      --transparency [=N(=0)]   Choosen color index used for transparency.
                                Value greater than 15 (0x0F) will make the
                                program not handle transparency (default: 255)
      --palette default / edge16
                                Choosen color palette used for finding
                                correct indexes (default: default)
      --palette-file arg        File from which the color palette will be
                                used (override palette option)
  -h, --help                    Print the help
 Spritesheet options:
  -s, --spritesheet  Activate the spritesheets mode
      --tile-x N     Number of tiles on X axis Sub width will be deduced
                     with image-width / tile-x (default: 0)
      --tile-y N     Number of tiles on Y axis | Sub height will be deduced
                     with image-height / tile-y (default: 0)
      --framerate N  Framerate of the animation | number of frame per
                     animation (default: 0)

The download link provide a compiled version for Windows 7 and some test / example in bat files

Todo

• Loading custom color palette from file
• Support for uint16_t[] images
• Convert RGB888 to RGB565
• Multiples images at once
• Other export methods