add: tools: font_converter

headers/font.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <stdint.h>
+
+struct font {
+	uint32_t height;
+	uint32_t width;
+	char **bitmap;
+};

tools/font_converter.py

@@ -0,0 +1,68 @@
+from PIL import Image
+
+import re
+import sys
+import os
+
+if (len(sys.argv) < 2):
+    print(f"Error: usage python {sys.argv[0]} {{file.fnt}}")
+
+with open(sys.argv[1]) as f:
+    fnt_data = f.read()
+
+font_name: str = os.path.basename(sys.argv[1]).split(".")[0]
+
+img_file_relative_path: str = re.findall(r"file=\"(\w+[^\"]+)\"", fnt_data)[0]
+img_file_absolute_path: str = sys.argv[1][0:sys.argv[1].rfind("/") + 1] + img_file_relative_path
+
+image = Image.open(img_file_absolute_path)
+
+width, height = image.size
+pixels = list(image.getdata())
+pixels =  [pixels[i * width:(i + 1) * width] for i in range(height)]
+
+characteres: list[list[int]] = [None for i in range(128)]
+
+for id, x, y, width, height, xoffset, yoffset, xadvance in re.findall(r"id=(\d+) x=(\d+) y=(\d+) width=(\d+) height=(\d+) xoffset=(-?\d+) yoffset=(-?\d+) xadvance=(\d+)", fnt_data):
+    id, x, y, width, height, xoffset, yoffset, xadvance = int(id), int(x), int(y), int(width), int(height), int(xoffset), int(yoffset), int(xadvance)
+    bitmap: list[str] = []
+    for line in pixels[y:y + height]:
+        tmp: str = ""
+        for r,g,b,a in line[x:x + width]:
+            tmp += "#" if a else " "
+        bitmap.append(tmp) 
+    characteres[id] = [height, width, bitmap]
+
+string: str = f"""\
+#pragma once
+
+#include "font.h"
+
+struct font minecraft_font[] = {{\\\
+"""
+
+for charactere in characteres:
+    if (charactere is not None):
+        height, width, bitmap = charactere
+        string += f"""
+        {{
+            .width = {width},
+            .height = {height},
+            .bitmap = "{"".join(bitmap)}",
+        }},\
+        """
+    else:
+        string += f"""
+        {{
+            .width = 0,
+            .height = 0,
+            .bitmap = NULL,
+        }},\
+        """
+string += "\n}};"
+
+if not os.path.exists("./headers/fonts"):
+    os.makedirs("./headers/fonts")
+
+with open(f"./headers/fonts/{font_name}.h", "w") as f:
+    f.write(string)