Sync edgetx to Gitea

2026-08-03 16:37:20 +08:00
commit 14eb5a3fb9
5364 changed files with 2835009 additions and 0 deletions
@@ -0,0 +1,153 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import argparse
+import os
+import sys
+from PIL import Image, ImageDraw, ImageFont
+from charset import get_chars, special_chars, extra_chars, standard_chars
+
+EXTRA_BITMAP_MAX_WIDTH = 297
+
+class FontBitmap:
+    def __init__(self, language, font_size, font_name, foreground, background):
+        self.language = language
+        self.chars = get_chars(language)
+        self.font_size = font_size
+        self.foreground = foreground
+        self.background = background
+        self.font = self.load_font(font_name)
+        self.extra_bitmap = self.load_extra_bitmap()
+        self.extra_bitmap_added = False
+        self.extra_bitmap_width = EXTRA_BITMAP_MAX_WIDTH
+        if self.extra_bitmap is not None:
+            self.extra_bitmap_width = self.extra_bitmap.width
+
+    def load_extra_bitmap(self):
+        try:
+            tools_path = os.path.dirname(os.path.realpath(__file__))
+            filename = "extra_%dpx.png" % self.font_size
+            path = os.path.join(tools_path, "../radio/src/fonts", filename)
+            extra_image = Image.open(path)
+            return extra_image.convert('RGB')
+        except IOError:
+            return None
+
+    def load_font(self, font_name):
+        # print(font_name)
+        for ext in (".ttf", ".otf"):
+            tools_path = os.path.dirname(os.path.realpath(__file__))
+            path = os.path.join(tools_path, "../radio/src/fonts", font_name + ext)
+            if os.path.exists(path):
+                return ImageFont.truetype(path, self.font_size)
+        print("Font file %s not found" % font_name)
+
+    def get_text_dimensions(self, text_string):
+        # https://stackoverflow.com/a/46220683/9263761
+        _, descent = self.font.getmetrics()
+        text_width = self.font.getmask(text_string).getbbox()[2]
+        text_height = self.font.getmask(text_string).getbbox()[3] + descent
+
+        return (text_width, text_height)
+
+    def draw_char(self, draw, x, y, c):
+
+        # default width for space
+        width = 4
+        if c != ' ':
+            if "0123456789".find(c) >= 0 :
+              width = self.font.getmask("4").getbbox()[2]
+              _, (offset_x, offset_y) = self.font.font.getsize(c)
+              _, (offset_x2, offset_y2) = self.font.font.getsize("4")
+              offset_x = (offset_x + offset_x2) / 2
+            else :
+              width = self.font.getmask(c).getbbox()[2]
+              _, (offset_x, offset_y) = self.font.font.getsize(c)
+
+            draw.text((x - offset_x, y), c, fill=self.foreground, font=self.font)
+
+        return width
+
+    def generate(self, filename, generate_coords_file=True):
+        coords = []
+
+        (_,baseline), (offset_x, offset_y) = self.font.font.getsize(self.chars)
+        (text_width, text_height) = self.get_text_dimensions(self.chars)
+        y_shifts = 0
+        if offset_y < 0:
+            y_shifts = -offset_y
+            text_height += y_shifts
+            offset_y = 0
+
+        img_width = text_width + self.extra_bitmap_width
+        image = Image.new("RGB", (img_width, text_height), self.background)
+        draw = ImageDraw.Draw(image)
+
+        width = 0
+        for c in self.chars:
+            if c in extra_chars:
+                if not self.extra_bitmap_added:
+                    # append same width for non-existing characters
+                    for i in range(128 - 32 - len(standard_chars)):
+                        coords.append(width)
+
+                    if self.extra_bitmap:
+
+                        # copy extra_bitmap at once
+                        image.paste(self.extra_bitmap, (width, offset_y + y_shifts))
+
+                        # append width for extra_bitmap symbols
+                        for coord in [14, 14, 12, 12, 13, 13, 13, 13, 13] + [15] * 12:
+                            coords.append(width)
+                            width += coord
+                    else:
+                        for coord in range(21):
+                            coords.append(width)                    
+
+                    # once inserted, disable insert again
+                    self.extra_bitmap_added = True
+
+                # skip
+                continue
+
+            # normal characters + CJK
+            w = self.draw_char(draw, width, y_shifts, c)
+
+            coords.append(width)
+            width += w
+
+        # append the last computed width
+        coords.append(width)
+
+        # trim image to correct size
+        image = image.crop((0, offset_y, width, baseline + offset_y))
+
+        # insert the size of the image
+        coords.insert(0, image.height)
+
+        # convert to 8-bit and save
+        image = image.convert("L")
+        image.save(filename + ".png")
+
+        if generate_coords_file:
+            with open(filename + ".specs", "w") as f:
+                f.write(",".join(str(tmp) for tmp in coords))
+
+def main():
+    if sys.version_info < (3, 0, 0):
+        print("%s requires Python 3. Terminating." % __file__)
+        sys.exit(1)
+
+    parser = argparse.ArgumentParser(description="Builder for OpenTX font files")
+    parser.add_argument('--output', help="Output file name")
+    parser.add_argument('--subset', help="Subset")
+    parser.add_argument('--size', type=int, help="Font size")
+    parser.add_argument('--font', help="Font name")
+    args = parser.parse_args()
+
+    font = FontBitmap(args.subset, args.size, args.font, (0, 0, 0), (255, 255, 255))
+    font.generate(args.output)
+
+
+if __name__ == "__main__":
+    main()