From f49f12c9812211a3c702af38330105fd22167ace Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rn-Michael=20Miehe?= Date: Mon, 10 Oct 2022 00:09:09 +0000 Subject: [PATCH] router "days" mit bisschen Bildverarbeitung --- api/Lena.ttf | 3 + api/advent22_api/routers/__init__.py | 3 +- api/advent22_api/routers/days.py | 102 +++++++++++++++++++++++++++ api/hand.png | 3 + api/poetry.lock | 74 ++++++++++++++++++- api/pyproject.toml | 1 + 6 files changed, 184 insertions(+), 2 deletions(-) create mode 100644 api/Lena.ttf create mode 100644 api/advent22_api/routers/days.py create mode 100644 api/hand.png diff --git a/api/Lena.ttf b/api/Lena.ttf new file mode 100644 index 0000000..74f487f --- /dev/null +++ b/api/Lena.ttf @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:211bf85f07880bb442e16078c1545d45d02dbf09a97de846f1428d8bd2e86606 +size 72060 diff --git a/api/advent22_api/routers/__init__.py b/api/advent22_api/routers/__init__.py index 6f03b0a..bbc5af5 100644 --- a/api/advent22_api/routers/__init__.py +++ b/api/advent22_api/routers/__init__.py @@ -1,7 +1,8 @@ from fastapi import APIRouter -from . import abspacken +from . import abspacken, days router = APIRouter(prefix="/api") router.include_router(abspacken.router) +router.include_router(days.router) diff --git a/api/advent22_api/routers/days.py b/api/advent22_api/routers/days.py new file mode 100644 index 0000000..5020a36 --- /dev/null +++ b/api/advent22_api/routers/days.py @@ -0,0 +1,102 @@ +import random +from datetime import date +from io import BytesIO + +from fastapi import APIRouter, Depends +from fastapi.responses import StreamingResponse +from PIL import Image, ImageDraw, ImageFont + +router = APIRouter(prefix="/days", tags=["days"]) + +loesungswort = "ABCDEFGHIJKLMNOPQRSTUVWX" + + +async def shuffle(string: str) -> str: + rnd = random.Random(loesungswort) + return "".join(rnd.sample(string, len(string))) + + +@router.on_event("startup") +async def narf() -> None: + print(loesungswort) + print(await shuffle(loesungswort)) + + +@router.get("/letter/{index}") +async def get_letter( + index: int, +) -> str: + return (await shuffle(loesungswort))[index] + + +@router.get("/date") +def get_date() -> int: + return date.today().day + + +@router.get( + "/picture", + response_class=StreamingResponse, +) +async def get_picture(): + img = Image.open("hand.png").convert("RGBA") + d1 = ImageDraw.Draw(img) + font = ImageFont.truetype("Lena.ttf", 50) + d1.text((260, 155), "W", font=font, fill=(0, 0, 255)) + # d1.text(xy=(400, 210), text="Deine Hände auch?", + # font=Font, fill=(255, 0, 0)) + img_buffer = BytesIO() + img.save(img_buffer, format="PNG", quality=85) + img_buffer.seek(0) + + return StreamingResponse( + content=img_buffer, + media_type="image/png", + ) + + +async def load_picture_standard() -> Image.Image: + img = Image.open("hand.png") + width, height = img.size + square = min(img.size) + + img = img.crop(box=( + int((width - square)/2), + int((height - square)/2), + int((width + square)/2), + int((height + square)/2), + )) + + img = img.resize( + size=(400, 400), + resample=Image.ANTIALIAS, + ) + + return img.convert("RGB") + + +@router.get( + "/picture/{index}", + response_class=StreamingResponse, +) +async def get_picture_for_day( + letter: str = Depends(get_letter), + img: Image.Image = Depends(load_picture_standard), +) -> StreamingResponse: + font = ImageFont.truetype("Lena.ttf", 50) + + txt_layer = Image.new(mode="RGB", size=(400, 400), color=(0, 0, 0)) + + 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()) + + img_buffer = BytesIO() + txt_layer.save(img_buffer, format="PNG", quality=85) + img_buffer.seek(0) + + return StreamingResponse( + content=img_buffer, + media_type="image/png", + ) diff --git a/api/hand.png b/api/hand.png new file mode 100644 index 0000000..f02cce0 --- /dev/null +++ b/api/hand.png @@ -0,0 +1,3 @@ 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