X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/af72c4ed58e541d491dafbfe4ecb163662f402b5..ac9ba215113d29655e142f23ab398c5c2765df1e:/src/librarian/cover.py diff --git a/src/librarian/cover.py b/src/librarian/cover.py index 0e9b079..3581f59 100644 --- a/src/librarian/cover.py +++ b/src/librarian/cover.py @@ -1,17 +1,13 @@ -# -*- coding: utf-8 -*- -# # This file is part of Librarian, licensed under GNU Affero GPLv3 or later. -# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. +# Copyright © Fundacja Wolne Lektury. See NOTICE for more information. # -from __future__ import unicode_literals - import re from PIL import Image, ImageFont, ImageDraw, ImageFilter -from six import BytesIO +from io import BytesIO from librarian import get_resource, OutputFile, URLOpener -class Metric(object): +class Metric: """Gets metrics from an object, scaling it by a factor.""" def __init__(self, obj, scale): self._obj = obj @@ -25,7 +21,7 @@ class Metric(object): return src -class TextBox(object): +class TextBox: """Creates an Image with a series of centered strings.""" SHADOW_X = 3 @@ -108,7 +104,7 @@ class TextBox(object): return image -class Cover(object): +class Cover: """Abstract base class for cover images generator.""" width = 600 height = 800 @@ -153,11 +149,21 @@ class Cover(object): def __init__(self, book_info, format=None, width=None, height=None, cover_logo=None): self.book_info = book_info + + self.predesigned = False + if book_info.cover_class == 'image': + self.predesigned = True + + # TODO: deprecated + if book_info.cover_box_position == 'none': + self.predesigned = True + self.authors = [auth.readable() for auth in book_info.authors] self.title = book_info.title if format is not None: self.format = format self.set_size(width, height) + self.cover_logo = cover_logo def set_size(self, width, height): if width and height: @@ -207,7 +213,7 @@ class Cover(object): author_font = ImageFont.truetype( self.author_font_ttf, metr.author_font_size, - layout_engine=ImageFont.LAYOUT_BASIC) + layout_engine=ImageFont.Layout.BASIC) for pa in self.pretty_authors(): tbox.text(pa, self.author_color, author_font, metr.author_lineskip, self.author_shadow) @@ -221,7 +227,7 @@ class Cover(object): ) title_font = ImageFont.truetype( self.title_font_ttf, metr.title_font_size, - layout_engine=ImageFont.LAYOUT_BASIC) + layout_engine=ImageFont.Layout.BASIC) tbox.text(self.pretty_title(), self.title_color, title_font, metr.title_lineskip, self.title_shadow) text_img = tbox.image() @@ -235,7 +241,7 @@ class Cover(object): img = img.resize(( int(round(img.size[0] * self.scale_after)), int(round(img.size[1] * self.scale_after))), - Image.ANTIALIAS) + Image.Resampling.LANCZOS) return img def mime_type(self): @@ -297,22 +303,22 @@ class WLCover(Cover): format = 'JPEG' epoch_colors = { - u'Starożytność': '#9e3610', - u'Średniowiecze': '#564c09', - u'Renesans': '#8ca629', - u'Barok': '#a6820a', - u'Oświecenie': '#f2802e', - u'Romantyzm': '#db4b16', - u'Pozytywizm': '#961060', - u'Modernizm': '#7784e0', - u'Dwudziestolecie międzywojenne': '#3044cf', - u'Współczesność': '#06393d', + 'Starożytność': '#9e3610', + 'Średniowiecze': '#564c09', + 'Renesans': '#8ca629', + 'Barok': '#a6820a', + 'Oświecenie': '#f2802e', + 'Romantyzm': '#db4b16', + 'Pozytywizm': '#961060', + 'Modernizm': '#7784e0', + 'Dwudziestolecie międzywojenne': '#3044cf', + 'Współczesność': '#06393d', } set_title_color = True kind_box_position = { - u'Liryka': 'top', - u'Epika': 'bottom', + 'Liryka': 'top', + 'Epika': 'bottom', } def __init__(self, book_info, format=None, width=None, height=None, @@ -378,7 +384,7 @@ class WLCover(Cover): ) author_font = ImageFont.truetype( self.author_font_ttf, metr.author_font_size, - layout_engine=ImageFont.LAYOUT_BASIC) + layout_engine=ImageFont.Layout.BASIC) for pa in self.pretty_authors(): box.text(pa, font=author_font, line_height=metr.author_lineskip, color=self.author_color, shadow_color=self.author_shadow, @@ -395,7 +401,7 @@ class WLCover(Cover): # Write title. title_font = ImageFont.truetype( self.title_font_ttf, metr.title_font_size, - layout_engine=ImageFont.LAYOUT_BASIC) + layout_engine=ImageFont.Layout.BASIC) box.text(self.pretty_title(), line_height=metr.title_lineskip, font=title_font, @@ -499,7 +505,7 @@ class WLCover(Cover): cut = 0 else: cut = (resized[1] - trg_size[1]) // 2 - src = src.resize(resized, Image.ANTIALIAS) + src = src.resize(resized, Image.Resampling.LANCZOS) src = src.crop((0, cut, src.size[0], src.size[1] - cut)) else: resized = ( @@ -507,7 +513,7 @@ class WLCover(Cover): trg_size[1], ) cut = (resized[0] - trg_size[0]) // 2 - src = src.resize(resized, Image.ANTIALIAS) + src = src.resize(resized, Image.Resampling.LANCZOS) src = src.crop((cut, 0, src.size[0] - cut, src.size[1])) img.paste(src, (metr.bar_width, 0)) @@ -662,7 +668,7 @@ class LogoWLCover(WLCover): logo.size[1] * widths[i] / logo.size[0] * L_scale )) ), - Image.ANTIALIAS) + Image.Resampling.LANCZOS) if self.logos_right: cursor -= logo.size[0] @@ -685,7 +691,7 @@ class LogoWLCover(WLCover): draw = ImageDraw.Draw(img2) author_font = ImageFont.truetype( self.author_font_ttf, metr.annotation_height, - layout_engine=ImageFont.LAYOUT_BASIC) + layout_engine=ImageFont.Layout.BASIC) draw.text((self.annotation_height, self.annotation_height), self.annotation, font=author_font, fill='#FFFFFF') img2.show() img2 = img2.rotate(90) @@ -875,7 +881,7 @@ class PrestigioCover(Cover): title_font_size = 50 def pretty_title(self): - return u"„%s”" % self.title + return "„%s”" % self.title class BookotekaCover(Cover): @@ -1005,9 +1011,10 @@ COVER_CLASSES = { def make_cover(book_info, *args, **kwargs): + cover_class_name = None if 'cover_class' in kwargs: cover_class_name = kwargs.pop('cover_class') - else: - cover_class_name = book_info.cover_class + if not cover_class_name: + cover_class_name = 'default' cover_class = COVER_CLASSES[cover_class_name] return cover_class(book_info, *args, **kwargs)