mirror of
https://github.com/trycua/lume.git
synced 2026-05-19 04:19:17 -05:00
Morgan Dean
101 lines
2.8 KiB
Python
101 lines
2.8 KiB
Python
import base64
|
|
from typing import Tuple, Optional, Dict, Any
|
|
from PIL import Image, ImageDraw
|
|
import io
|
|
|
|
def decode_base64_image(base64_str: str) -> bytes:
|
|
"""Decode a base64 string into image bytes."""
|
|
return base64.b64decode(base64_str)
|
|
|
|
def encode_base64_image(image_bytes: bytes) -> str:
|
|
"""Encode image bytes to base64 string."""
|
|
return base64.b64encode(image_bytes).decode('utf-8')
|
|
|
|
def bytes_to_image(image_bytes: bytes) -> Image.Image:
|
|
"""Convert bytes to PIL Image.
|
|
|
|
Args:
|
|
image_bytes: Raw image bytes
|
|
|
|
Returns:
|
|
PIL.Image: The converted image
|
|
"""
|
|
return Image.open(io.BytesIO(image_bytes))
|
|
|
|
def image_to_bytes(image: Image.Image, format: str = 'PNG') -> bytes:
|
|
"""Convert PIL Image to bytes."""
|
|
buf = io.BytesIO()
|
|
image.save(buf, format=format)
|
|
return buf.getvalue()
|
|
|
|
def resize_image(image_bytes: bytes, scale_factor: float) -> bytes:
|
|
"""Resize an image by a scale factor.
|
|
|
|
Args:
|
|
image_bytes: The original image as bytes
|
|
scale_factor: Factor to scale the image by (e.g., 0.5 for half size, 2.0 for double)
|
|
|
|
Returns:
|
|
bytes: The resized image as bytes
|
|
"""
|
|
image = bytes_to_image(image_bytes)
|
|
if scale_factor != 1.0:
|
|
new_size = (int(image.width * scale_factor), int(image.height * scale_factor))
|
|
image = image.resize(new_size, Image.Resampling.LANCZOS)
|
|
return image_to_bytes(image)
|
|
|
|
def draw_box(
|
|
image_bytes: bytes,
|
|
x: int,
|
|
y: int,
|
|
width: int,
|
|
height: int,
|
|
color: str = "#FF0000",
|
|
thickness: int = 2
|
|
) -> bytes:
|
|
"""Draw a box on an image.
|
|
|
|
Args:
|
|
image_bytes: The original image as bytes
|
|
x: X coordinate of top-left corner
|
|
y: Y coordinate of top-left corner
|
|
width: Width of the box
|
|
height: Height of the box
|
|
color: Color of the box in hex format
|
|
thickness: Thickness of the box border in pixels
|
|
|
|
Returns:
|
|
bytes: The modified image as bytes
|
|
"""
|
|
# Convert bytes to PIL Image
|
|
image = bytes_to_image(image_bytes)
|
|
|
|
# Create drawing context
|
|
draw = ImageDraw.Draw(image)
|
|
|
|
# Draw rectangle
|
|
draw.rectangle(
|
|
[(x, y), (x + width, y + height)],
|
|
outline=color,
|
|
width=thickness
|
|
)
|
|
|
|
# Convert back to bytes
|
|
return image_to_bytes(image)
|
|
|
|
def get_image_size(image_bytes: bytes) -> Tuple[int, int]:
|
|
"""Get the dimensions of an image.
|
|
|
|
Args:
|
|
image_bytes: The image as bytes
|
|
|
|
Returns:
|
|
Tuple[int, int]: Width and height of the image
|
|
"""
|
|
image = bytes_to_image(image_bytes)
|
|
return image.size
|
|
|
|
def parse_vm_info(vm_info: Dict[str, Any]) -> Optional[Dict[str, Any]]:
|
|
"""Parse VM info from pylume response."""
|
|
if not vm_info:
|
|
return None |