buchstaben verstecken

This commit is contained in:
Jörn-Michael Miehe 2022-10-10 02:12:24 +00:00
parent f49f12c981
commit 2e6daa9da3
3 changed files with 62 additions and 6 deletions

View file

@ -2,6 +2,7 @@ import random
from datetime import date
from io import BytesIO
import numpy as np
from fastapi import APIRouter, Depends
from fastapi.responses import StreamingResponse
from PIL import Image, ImageDraw, ImageFont
@ -86,14 +87,30 @@ async def get_picture_for_day(
font = ImageFont.truetype("Lena.ttf", 50)
txt_layer = Image.new(mode="RGB", size=(400, 400), color=(0, 0, 0))
txt_color = (255, 255, 255)
d1 = ImageDraw.Draw(txt_layer)
d1.text(xy=(300, 300), text=letter, font=font,
anchor="mm", fill=(255, 255, 255))
d1.rectangle(txt_layer.getbbox())
ImageDraw.Draw(txt_layer).text(
xy=(300, 300),
text=letter,
font=font,
anchor="mm",
fill=txt_color,
)
if not (bbox := txt_layer.getbbox()) is None:
mean = np.mean(img.crop(bbox).getdata(), axis=0)
txt_color = tuple(int(val) for val in mean)
ImageDraw.Draw(img).text(
xy=(300, 300),
text=letter,
font=font,
anchor="mm",
fill=txt_color,
)
img_buffer = BytesIO()
txt_layer.save(img_buffer, format="PNG", quality=85)
img.save(img_buffer, format="PNG", quality=85)
img_buffer.seek(0)
return StreamingResponse(

40
api/poetry.lock generated
View file

@ -79,6 +79,14 @@ category = "main"
optional = false
python-versions = ">=3.5"
[[package]]
name = "numpy"
version = "1.23.3"
description = "NumPy is the fundamental package for array computing with Python."
category = "main"
optional = false
python-versions = ">=3.8"
[[package]]
name = "Pillow"
version = "9.2.0"
@ -212,7 +220,7 @@ python-versions = ">=3.7"
[metadata]
lock-version = "1.1"
python-versions = "^3.10"
content-hash = "5d4c72b8811bc7d6f587ec8e978596adac1ec53c000ba5f2c156b7f6cf02f454"
content-hash = "fa252faeeadce1a90970a8139850140aabcc180ea7d0b91aa2d72ad751fa3331"
[metadata.files]
anyio = [
@ -282,6 +290,36 @@ idna = [
{file = "idna-3.4-py3-none-any.whl", hash = "sha256:90b77e79eaa3eba6de819a0c442c0b4ceefc341a7a2ab77d7562bf49f425c5c2"},
{file = "idna-3.4.tar.gz", hash = "sha256:814f528e8dead7d329833b91c5faa87d60bf71824cd12a7530b5526063d02cb4"},
]
numpy = [
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]
Pillow = [
{file = "Pillow-9.2.0-cp310-cp310-macosx_10_10_x86_64.whl", hash = "sha256:a9c9bc489f8ab30906d7a85afac4b4944a572a7432e00698a7239f44a44e6efb"},
{file = "Pillow-9.2.0-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:510cef4a3f401c246cfd8227b300828715dd055463cdca6176c2e4036df8bd4f"},

View file

@ -13,6 +13,7 @@ fastapi = "^0.85.0"
python = "^3.10"
uvicorn = {extras = ["standard"], version = "^0.18.3"}
Pillow = "^9.2.0"
numpy = "^1.23.3"
[tool.poetry.dev-dependencies]