initial commit

Dockerfile

+from python:3.11.4-alpine3.18@sha256:0a56f24afa1fc7f518aa690cb8c7be661225e40b157d9bb8c6ef402164d9faa7
+COPY ./requirements.txt /app/requirements.txt
+RUN pip install --no-cache-dir -r /app/requirements.txt
+COPY ./main.py /app/main.py
+WORKDIR /app
+CMD ["python", "main.py"]
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main.py

+from http.server import BaseHTTPRequestHandler, HTTPServer
+from json import loads
+from PIL import Image, ImageDraw, ImageFont
+
+class WebServer(BaseHTTPRequestHandler):
+    def sendErrorMessage(self, message, statusCode = 400):
+        self.send_response(statusCode)
+        self.send_header('Content-Type','text/plain')
+        self.end_headers()
+        self.wfile.write(message.encode('utf-8'))
+
+    def do_POST(self):
+        content_length = int(self.headers['Content-Length'])
+        post_data = self.rfile.read(content_length)
+        try:
+            data = loads(post_data)
+            print(data)
+        except ValueError:
+            self.sendErrorMessage("Invalid JSON")
+            return
+        
+        if "text" not in data:
+            self.sendErrorMessage("Text Parameter not found")
+            return
+        if "width" not in data:
+            self.sendErrorMessage("Width Parameter not found")
+            return
+        if "height" not in data:
+            self.sendErrorMessage("Height Parameter not found")
+            return
+        width = data["width"]
+        height = data["height"]
+        text = data["text"]
+        if "fontSize" in data:
+            fontSize = data["fontSize"]
+        else:
+            fontSize = 15
+            
+        if "lineSpacing" in data:
+            lineSpacing = data["lineSpacing"]
+        else:
+            lineSpacing = 0
+        
+        img = Image.new('P', (width, height))
+        palette = [
+            255, 255, 255,  # white
+            0, 0, 0,        # black
+            255, 0, 0       # red
+        ]
+        img.putpalette(palette)
+
+        draw = ImageDraw.Draw(img)
+        font = ImageFont.truetype("/usr/share/fonts/TTF/DejaVuSans-Bold.ttf", fontSize)
+        for i, line in enumerate(text):
+            color = line["color"]
+            draw.text((0, 0 + (fontSize + lineSpacing) * i), line["text"], fill=color, font=font)
+        
+        
+        self.send_response(200)
+        self.send_header('Content-Type','image/jpeg')
+        self.end_headers()
+        rgb_image = img.convert('RGB')
+        rgb_image.save(self.wfile, "JPEG", optimize=False, quality=100, progressive=False, subsampling=0, icc_profile=None)
+            
+            
+    def do_GET(self):
+        self.send_response(200)
+        self.send_header('Content-Type','text/plain')
+        self.end_headers()
+        self.wfile.write(b'Text to Image Server')
+
+if __name__ == "__main__":        
+    webServer = HTTPServer(("0.0.0.0", 8080), WebServer)
+    print("Server started")
+
+    try:
+        webServer.serve_forever()
+    except KeyboardInterrupt:
+        pass
+
+    webServer.server_close()
+    print("Server stopped.")
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requirements.txt

+pillow
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