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Modify inner image position

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This commit is contained in:
Joachim 2021-05-26 15:37:09 +02:00
parent 22c13f639c
commit a8ae3c9950
1 changed files with 10 additions and 13 deletions
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23
bookwyrm/preview_images.py
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@ -17,9 +17,6 @@ from bookwyrm import models, settings
from bookwyrm.settings import DOMAIN
from bookwyrm.tasks import app
# dev
import logging
IMG_WIDTH = settings.PREVIEW_IMG_WIDTH
IMG_HEIGHT = settings.PREVIEW_IMG_HEIGHT
BG_COLOR = settings.PREVIEW_BG_COLOR
@ -29,7 +26,8 @@ TRANSPARENT_COLOR = (0, 0, 0, 0)
margin = math.floor(IMG_HEIGHT / 10)
gutter = math.floor(margin / 2)
inner_img_limits = math.floor(IMG_HEIGHT * 0.8)
inner_img_height = math.floor(IMG_HEIGHT * 0.8)
inner_img_width = math.floor(inner_img_height * 0.7)
path = Path(__file__).parent.absolute()
font_dir = path.joinpath("static/fonts/public_sans")
@ -172,17 +170,16 @@ def generate_rating_layer(rating, content_width):
def generate_default_inner_img():
font_cover = get_font("light", size=28)
cover_width = math.floor(inner_img_limits * 0.7)
default_cover = Image.new(
"RGB", (cover_width, inner_img_limits), color=DEFAULT_COVER_COLOR
"RGB", (inner_img_width, inner_img_height), color=DEFAULT_COVER_COLOR
)
default_cover_draw = ImageDraw.Draw(default_cover)
text = "no image :("
text_dimensions = font_cover.getsize(text)
text_coords = (
math.floor((cover_width - text_dimensions[0]) / 2),
math.floor((inner_img_limits - text_dimensions[1]) / 2),
math.floor((inner_img_width - text_dimensions[0]) / 2),
math.floor((inner_img_height - text_dimensions[1]) / 2),
)
default_cover_draw.text(text_coords, text, font=font_cover, fill="white")
@ -195,7 +192,7 @@ def generate_preview_image(
# Cover
try:
inner_img_layer = Image.open(picture)
inner_img_layer.thumbnail((inner_img_limits, inner_img_limits), Image.ANTIALIAS)
inner_img_layer.thumbnail((inner_img_width, inner_img_height), Image.ANTIALIAS)
color_thief = ColorThief(picture)
dominant_color = color_thief.get_color(quality=1)
except:
@ -230,7 +227,9 @@ def generate_preview_image(
img = Image.new("RGBA", (IMG_WIDTH, IMG_HEIGHT), color=image_bg_color)
# Contents
content_x = margin + inner_img_layer.width + gutter
inner_img_x = margin + inner_img_width - inner_img_layer.width
inner_img_y = math.floor((IMG_HEIGHT - inner_img_layer.height) / 2)
content_x = margin + inner_img_width + gutter
content_width = IMG_WIDTH - content_x - margin
contents_layer = Image.new(
@ -266,10 +265,8 @@ def generate_preview_image(
if contents_y < margin:
contents_y = margin
cover_y = math.floor((IMG_HEIGHT - inner_img_layer.height) / 2)
# Composite layers
img.paste(inner_img_layer, (margin, cover_y), inner_img_layer.convert("RGBA"))
img.paste(inner_img_layer, (inner_img_x, inner_img_y), inner_img_layer.convert("RGBA"))
img.alpha_composite(contents_layer, (content_x, contents_y))
return img