Initial import for public releaseHEADmain

1 files changed, 54 insertions, 0 deletions

diff --git a/tools/img2f.py b/tools/img2f.py
new file mode 100755
index 0000000..23ac1a7
--- /dev/null
+++ b/tools/img2f.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python
+
+__version__ = "1.0"
+
+from argparse import ArgumentParser
+from PIL import Image
+
+def main():
+
+    parser = ArgumentParser(description="Image to cpcrslib font",
+                            epilog="Copyright (C) 2015 Juan J Martinez <jjm@usebox.net>",
+                            )
+
+    parser.add_argument("--version", action="version", version="%(prog)s "  + __version__)
+    parser.add_argument("image", help="image to convert")
+    parser.add_argument("id", help="variable name")
+    parser.add_argument("--effect", dest="effect", action="store_true")
+
+    args = parser.parse_args()
+
+    try:
+        image = Image.open(args.image)
+    except IOError:
+        parser.error("failed to open the image")
+
+    if image.mode != "P":
+        parser.error("not an indexed image (no palette)")
+
+    (w, h) = image.size
+    data = image.getdata()
+
+    out = []
+    for y in range(0, h, 8):
+        for x in range(0, w, 4):
+            for j in range(8):
+                row = 0
+                for i in range(4):
+                    if data[x + i + (j + y) * w] != 0:
+                        if args.effect and j in (2, 3, 4, 5):
+                            row |= 1 << (7 - ((i * 2) + 1))
+                        row |= 1 << (7 - (i * 2))
+                out.append(row)
+
+    data_out = ""
+    for part in range(0, len(out), 8):
+        if data_out:
+            data_out += ",\n"
+        data_out += ', '.join(["0x%02x" % b for b in out[part: part + 8]])
+
+    print("const unsigned char %s[] = {\n%s\n};\n" % (args.id, data_out))
+
+if __name__ == "__main__":
+    main()
+