convert sheet directly to bmp

handwrite/__init__.py

@@ -1,4 +1,4 @@
-from handwrite.sheettopng import SHEETtoPNG
-from handwrite.pngtosvg import PNGtoSVG
+from handwrite.sheettobmp import SHEETtoBMP
+from handwrite.bmptosvg import BMPtoSVG
 from handwrite.svgtottf import SVGtoTTF
 from handwrite.cli import converters

handwrite/bmptosvg.py

@@ -0,0 +1,59 @@
+# from PIL import Image, ImageChops
+import os
+import shutil
+import subprocess
+
+
+class PotraceNotFound(Exception):
+    pass
+
+
+class BMPtoSVG:
+    """Converter class to convert character BMPs to BMPs and SVGs."""
+
+    def convert(self, directory):
+        """Call converters on each .bmp in the provider directory.
+
+        Walk through the custom directory containing all .bmp files
+        from sheettobmp and convert them to svg.
+        """
+        path = os.walk(directory)
+        for root, dirs, files in path:
+            for f in files:
+                if f.endswith(".bmp"):
+                    # self.trim(root + "/" + f)
+                    self.bmpToSvg(root + "/" + f)
+
+    def bmpToSvg(self, path):
+        """Convert .bmp image to .svg using potrace.
+
+        Converts the passed .bmp file to .svg using the potrace
+        (http://potrace.sourceforge.net/). Each .bmp is passed as
+        a parameter to potrace which is called as a subprocess.
+
+        Parameters
+        ----------
+        path : str
+            Path to the bmp file to be converted.
+
+        Raises
+        ------
+        PotraceNotFound
+            Raised if potrace not found in path by shutil.which()
+        """
+        if shutil.which("potrace") is None:
+            raise PotraceNotFound("Potrace is either not installed or not in path")
+        else:
+            subprocess.run(["potrace", path, "-b", "svg", "-o", path[0:-4] + ".svg"])
+
+    # def trim(self, im_path):
+    #     im = Image.open(im_path)
+    #     bg = Image.new(im.mode, im.size, im.getpixel((0, 0)))
+    #     diff = ImageChops.difference(im, bg)
+    #     bbox = list(diff.getbbox())
+    #     bbox[0] -= 1
+    #     bbox[1] -= 1
+    #     bbox[2] += 1
+    #     bbox[3] += 1
+    #     cropped_im = im.crop(bbox)
+    #     cropped_im.save(im_path)

handwrite/cli.py

@@ -1,58 +1,58 @@
-import os
-import shutil
-import argparse
-import tempfile
-
-from handwrite import SHEETtoPNG
-from handwrite import PNGtoSVG
-from handwrite import SVGtoTTF
-
-
-def run(sheet, output_directory, characters_dir, config, metadata):
-    SHEETtoPNG().convert(sheet, characters_dir, config)
-    PNGtoSVG().convert(directory=characters_dir)
-    SVGtoTTF().convert(characters_dir, output_directory, config, metadata)
-
-
-def converters(sheet, output_directory, directory=None, config=None, metadata=None):
-    if not directory:
-        directory = tempfile.mkdtemp()
-        isTempdir = True
-    else:
-        isTempdir = False
-
-    if config is None:
-        config = os.path.join(
-            os.path.dirname(os.path.realpath(__file__)), "default.json"
-        )
-    if os.path.isdir(config):
-        raise IsADirectoryError("Config parameter should not be a directory.")
-
-    if os.path.isdir(sheet):
-        raise IsADirectoryError("Sheet parameter should not be a directory.")
-    else:
-        run(sheet, output_directory, directory, config, metadata)
-
-    if isTempdir:
-        shutil.rmtree(directory)
-
-
-def main():
-    parser = argparse.ArgumentParser()
-    parser.add_argument("input_path", help="Path to sample sheet")
-    parser.add_argument("output_directory", help="Directory Path to save font output")
-    parser.add_argument(
-        "--directory",
-        help="Generate additional files to this path (Temp by default)",
-        default=None,
-    )
-    parser.add_argument("--config", help="Use custom configuration file", default=None)
-    parser.add_argument("--filename", help="Font File name", default=None)
-    parser.add_argument("--family", help="Font Family name", default=None)
-    parser.add_argument("--style", help="Font Style name", default=None)
-
-    args = parser.parse_args()
-    metadata = {"filename": args.filename, "family": args.family, "style": args.style}
-    converters(
-        args.input_path, args.output_directory, args.directory, args.config, metadata
-    )
+import argparse
+import os
+import shutil
+import tempfile
+
+from bmptosvg import BMPtoSVG
+from sheettobmp import SHEETtoBMP
+from svgtottf import SVGtoTTF
+
+
+def run(sheet, output_directory, characters_dir, config, metadata):
+    SHEETtoBMP().convert(sheet, characters_dir, config)
+    BMPtoSVG().convert(directory=characters_dir)
+    SVGtoTTF().convert(characters_dir, output_directory, config, metadata)
+
+
+def converters(sheet, output_directory, directory=None, config=None, metadata=None):
+    if not directory:
+        directory = tempfile.mkdtemp()
+        isTempdir = True
+    else:
+        isTempdir = False
+
+    if config is None:
+        config = os.path.join(
+            os.path.dirname(os.path.realpath(__file__)), "default.json"
+        )
+    if os.path.isdir(config):
+        raise IsADirectoryError("Config parameter should not be a directory.")
+
+    if os.path.isdir(sheet):
+        raise IsADirectoryError("Sheet parameter should not be a directory.")
+    else:
+        run(sheet, output_directory, directory, config, metadata)
+
+    if isTempdir:
+        shutil.rmtree(directory)
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("input_path", help="Path to sample sheet")
+    parser.add_argument("output_directory", help="Directory Path to save font output")
+    parser.add_argument(
+        "--directory",
+        help="Generate additional files to this path (Temp by default)",
+        default=None,
+    )
+    parser.add_argument("--config", help="Use custom configuration file", default=None)
+    parser.add_argument("--filename", help="Font File name", default=None)
+    parser.add_argument("--family", help="Font Family name", default=None)
+    parser.add_argument("--style", help="Font Style name", default=None)
+
+    args = parser.parse_args()
+    metadata = {"filename": args.filename, "family": args.family, "style": args.style}
+    converters(
+        args.input_path, args.output_directory, args.directory, args.config, metadata
+    )