First public commit.

lenser/ti99/convert/__init__.py

@@ -0,0 +1,16 @@
+"""TI-99/4A conversion dispatch."""
+from __future__ import annotations
+from ... import imageprep
+from . import gm2, mono
+
+_MODULES = {"gm2": gm2, "mono": mono}
+MODES = list(_MODULES.keys())
+
+
+def convert_image(path_or_img, mode="gm2", palette_name="tms9918",
+                  dither_mode="floyd", intensive=False, prep_opt=None, base_color=None):
+    prep_opt = prep_opt or imageprep.PrepOptions()
+    module = _MODULES.get(mode, gm2)
+    img_rgb = imageprep.prepare(path_or_img, module.WIDTH, module.HEIGHT,
+                                module.PIXEL_ASPECT, prep_opt, border_rgb=(0, 0, 0))
+    return module.convert(img_rgb, palette_name, dither_mode, intensive, base_color=base_color)