First public commit.

lenser/apple/convert/mono.py

@@ -0,0 +1,15 @@
+"""Apple monochrome -- HGR's 280x192 black & white, exposed as the standard
+``mono`` mode for cross-platform parity (tone carried by dithering)."""
+from __future__ import annotations
+
+from . import hgr_mono
+
+WIDTH, HEIGHT, PIXEL_ASPECT = hgr_mono.WIDTH, hgr_mono.HEIGHT, hgr_mono.PIXEL_ASPECT
+
+
+def convert(img_rgb, palette_name="mono", dither_mode="floyd",
+            intensive=False, base_color=None):
+    conv = hgr_mono.convert(img_rgb, palette_name, dither_mode, intensive,
+                            base_color=base_color)
+    conv.mode = "mono"
+    return conv