X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/716a9ab552bffbb7df2cb31ae41ee196902c7653..23d025c8875cca1404f274aca7170c9db5e980e7:/src/librarian/cover.py diff --git a/src/librarian/cover.py b/src/librarian/cover.py index b5996ae..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 @@ -25,21 +21,24 @@ class Metric(object): return src -class TextBox(object): +class TextBox: """Creates an Image with a series of centered strings.""" SHADOW_X = 3 SHADOW_Y = 3 SHADOW_BLUR = 3 - def __init__(self, max_width, max_height, padding_x=None, padding_y=None): + def __init__(self, max_width, max_height, padding_x=None, padding_y=None, bar_width=0, bar_color=None): if padding_x is None: padding_x = self.SHADOW_X + self.SHADOW_BLUR if padding_y is None: padding_y = self.SHADOW_Y + self.SHADOW_BLUR self.max_width = max_width - self.max_text_width = max_width - 2 * padding_x + self.bar_width = bar_width + self.bar_color = bar_color + self.max_text_width = max_width - 2 * padding_x - bar_width + self.padding_x = padding_x self.padding_y = padding_y self.height = padding_y self.img = Image.new('RGBA', (max_width, max_height)) @@ -52,7 +51,7 @@ class TextBox(object): self.height += height def text(self, text, color='#000', font=None, line_height=20, - shadow_color=None): + shadow_color=None, centering=True): """Writes some centered text.""" text = re.sub(r'\s+', ' ', text) if shadow_color: @@ -68,10 +67,17 @@ class TextBox(object): line_width = self.max_text_width break line = parts[0] + + if len(line) > 2 and line[-2] == ' ': + line = line[:-2] + line_width = self.draw.textsize(line, font=font)[0] line = line.strip() + ' ' - pos_x = (self.max_width - line_width) // 2 + if centering: + pos_x = (self.max_width - line_width) // 2 + else: + pos_x = self.bar_width + self.padding_x if shadow_color: self.shadow_draw.text( @@ -87,7 +93,8 @@ class TextBox(object): def image(self): """Creates the actual Image object.""" image = Image.new('RGBA', (self.max_width, - self.height + self.padding_y)) + int(round(self.height + self.padding_y)))) + if self.shadow_img: shadow = self.shadow_img.filter(ImageFilter.BLUR) image.paste(shadow, (0, 0), shadow) @@ -97,7 +104,7 @@ class TextBox(object): return image -class Cover(object): +class Cover: """Abstract base class for cover images generator.""" width = 600 height = 800 @@ -140,11 +147,25 @@ class Cover(object): 'PNG': 'image/png', } - def __init__(self, book_info, format=None, width=None, height=None): + 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: self.height = int(round(height * self.width / width)) scale = max(float(width or 0) / self.width, @@ -156,7 +177,7 @@ class Cover(object): def pretty_authors(self): """Allows for decorating authors' names.""" - return [self.authors] + return self.authors def pretty_title(self): """Allows for decorating title.""" @@ -191,7 +212,8 @@ class Cover(object): ) author_font = ImageFont.truetype( - self.author_font_ttf, metr.author_font_size) + self.author_font_ttf, metr.author_font_size, + 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) @@ -204,7 +226,8 @@ class Cover(object): metr.height - top, ) title_font = ImageFont.truetype( - self.title_font_ttf, metr.title_font_size) + self.title_font_ttf, metr.title_font_size, + 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() @@ -218,7 +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): @@ -249,10 +272,12 @@ class WLCover(Cover): author_font_ttf = get_resource('fonts/JunicodeWL-Regular.ttf') author_font_size = 20 author_lineskip = 30 + author_centering = True title_font_ttf = get_resource('fonts/DejaVuSerif-Bold.ttf') title_font_size = 30 title_lineskip = 40 title_box_width = 350 + title_centering = True box_top_margin = 100 box_bottom_margin = 100 @@ -262,6 +287,8 @@ class WLCover(Cover): box_line_left = 75 box_line_right = 275 box_line_width = 2 + box_padding_x = 0 + box_bar_width = 0 logo_top = 15 logo_width = 140 @@ -272,30 +299,34 @@ class WLCover(Cover): background_color = '#444' author_color = '#444' background_img = get_resource('res/cover.png') + background_top = False 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, - bleed=0): + bleed=0, cover_logo=None): super(WLCover, self).__init__(book_info, format=format, width=width, height=height) + + self.slug = book_info.url.slug # Set box position. self.box_position = book_info.cover_box_position or \ self.kind_box_position.get(book_info.kind, self.box_position) @@ -304,10 +335,10 @@ class WLCover(Cover): self.bar_width = 0 else: self.bar_color = book_info.cover_bar_color or \ - self.epoch_colors.get(book_info.epoch, self.bar_color) + self.get_variable_color(book_info) or self.bar_color # Set title color. - self.title_color = self.epoch_colors.get(book_info.epoch, - self.title_color) + if self.set_title_color: + self.title_color = self.get_variable_color(book_info) or self.title_color self.bleed = bleed self.box_top_margin += bleed @@ -317,10 +348,23 @@ class WLCover(Cover): if book_info.cover_url: url = book_info.cover_url bg_src = None - if bg_src is None: - bg_src = URLOpener().open(url) - self.background_img = BytesIO(bg_src.read()) - bg_src.close() + while True: + try: + if bg_src is None: + import requests + bg_src = requests.get(url, timeout=5) + self.background_img = BytesIO(bg_src.content) + bg_src.close() + except Exception as e: + bg_src = None + print(e) + import time + time.sleep(1) + else: + break + + def get_variable_color(self, book_info): + return self.epoch_colors.get(book_info.epoch, None) def pretty_authors(self): return [a.upper() for a in self.authors] @@ -332,13 +376,20 @@ class WLCover(Cover): metr = Metric(self, self.scale) # Write author name. - box = TextBox(metr.title_box_width, metr.height, - padding_y=metr.box_padding_y) + box = TextBox(metr.title_box_width - 2 * self.bleed, metr.height, + padding_y=metr.box_padding_y, + padding_x=metr.box_padding_x, + bar_width=metr.box_bar_width, + bar_color=self.bar_color, + ) author_font = ImageFont.truetype( - self.author_font_ttf, metr.author_font_size) + self.author_font_ttf, metr.author_font_size, + 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) + color=self.author_color, shadow_color=self.author_shadow, + centering=self.author_centering + ) box.skip(metr.box_above_line) box.draw.line( @@ -349,29 +400,33 @@ class WLCover(Cover): # Write title. title_font = ImageFont.truetype( - self.title_font_ttf, metr.title_font_size) + self.title_font_ttf, metr.title_font_size, + layout_engine=ImageFont.Layout.BASIC) box.text(self.pretty_title(), line_height=metr.title_lineskip, font=title_font, color=self.title_color, - shadow_color=self.title_shadow) + shadow_color=self.title_shadow, + centering=self.title_centering + ) box_img = box.image() # Find box position. - if self.box_position == 'top': - box_top = metr.box_top_margin - elif self.box_position == 'bottom': + if self.box_position == 'bottom' or box_img.size[1] + metr.box_top_margin + metr.box_bottom_margin > metr.height: box_top = metr.height - metr.box_bottom_margin - box_img.size[1] + elif self.box_position == 'top': + box_top = metr.box_top_margin else: # Middle. box_top = (metr.height - box_img.size[1]) // 2 box_left = metr.bar_width + ( - metr.width - metr.bar_width - box_img.size[0] + metr.width - metr.bar_width - box_img.size[0] - self.bleed ) // 2 # Draw the white box. - ImageDraw.Draw(img).rectangle( + img_draw = ImageDraw.Draw(img) + img_draw.rectangle( ( box_left, box_top, @@ -382,6 +437,16 @@ class WLCover(Cover): ) # Paste the contents into the white box. img.paste(box_img, (box_left, box_top), box_img) + if self.box_bar_width: + img_draw.rectangle( + ( + box_left, + box_top, + box_left + metr.box_bar_width, + box_top + box_img.size[1] + ), + fill=self.bar_color + ) return img def add_cut_lines(self, img): @@ -436,8 +501,11 @@ class WLCover(Cover): trg_size[0], int(round(src.size[1] * trg_size[0] / src.size[0])) ) - cut = (resized[1] - trg_size[1]) // 2 - src = src.resize(resized, Image.ANTIALIAS) + if self.background_top: + cut = 0 + else: + cut = (resized[1] - trg_size[1]) // 2 + src = src.resize(resized, Image.Resampling.LANCZOS) src = src.crop((0, cut, src.size[0], src.size[1] - cut)) else: resized = ( @@ -445,7 +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)) @@ -465,7 +533,9 @@ class WLNoBoxCover(WLCover): class LogoWLCover(WLCover): gradient_height = 90 - gradient_logo_height = 60 + gradient_easing = 90 + gradient_logo_height = 57 + gradient_logo_max_width = 200 gradient_logo_margin_right = 30 gradient_logo_spacing = 40 gradient_color = '#000' @@ -474,8 +544,16 @@ class LogoWLCover(WLCover): 'res/wl-logo-white.png', 'res/fnp-logo-white.png', ] + annotation = None + annotation_height = 10 - def __init__(self, book_info, *args, **kwargs): + logos_right = True + gradient_logo_centering = False + + qrcode = None + + + def __init__(self, book_info, *args, cover_logo=None, **kwargs): super(LogoWLCover, self).__init__(book_info, *args, **kwargs) self.gradient_height += self.bleed self.gradient_logo_margin_right += self.bleed @@ -484,10 +562,17 @@ class LogoWLCover(WLCover): BytesIO(URLOpener().open(cover_logo_url).read()) for cover_logo_url in book_info.cover_logo_urls ] + self.end_cover_logos = [] + if cover_logo: + self.additional_cover_logos.append( + open(cover_logo, 'rb') + ) - def image(self): - img = super(LogoWLCover, self).image() - metr = Metric(self, self.scale) + @property + def has_gradient_logos(self): + return self.gradient_logos or self.additional_cover_logos or self.end_cover_logos or self.annotation or self.qrcode is not None + + def add_gradient_logos(self, img, metr): gradient = Image.new( 'RGBA', (metr.width - metr.bar_width, metr.gradient_height), @@ -498,65 +583,259 @@ class LogoWLCover(WLCover): (metr.width - metr.bar_width, metr.gradient_height) ) draw = ImageDraw.Draw(gradient_mask) - for line in range(0, metr.gradient_height): + for line in range(0, metr.gradient_easing): draw.line( (0, line, metr.width - metr.bar_width, line), fill=int( - 255 * self.gradient_opacity * line / metr.gradient_height + 255 * self.gradient_opacity * line / metr.gradient_easing ) ) + draw.rectangle(( + 0, metr.gradient_easing, + metr.width - metr.bar_width, metr.gradient_height + ), fill=int(255 * self.gradient_opacity)) + + img.paste(gradient, (metr.bar_width, metr.height - metr.gradient_height), mask=gradient_mask) - cursor = metr.width - metr.gradient_logo_margin_right + if self.logos_right: + cursor = metr.width - metr.gradient_logo_margin_right + else: + cursor = metr.gradient_logo_margin_right logo_top = int( metr.height - metr.gradient_height / 2 - - metr.gradient_logo_height / 2 - metr.bleed / 2 + - metr.gradient_logo_height / 2 - metr.bleed ) logos = [ get_resource(logo_path) - for logo_path in self.gradient_logos[::-1] + for logo_path in self.gradient_logos ] - logos = logos + self.additional_cover_logos + + logos = self.additional_cover_logos + logos + self.end_cover_logos + logos = [ Image.open(logo_bytes).convert('RGBA') for logo_bytes in logos ] + if self.qrcode is not None: + import qrcode + logos.append(qrcode.make(f'https://wolnelektury.pl/katalog/lektura/{self.slug}/?{self.qrcode}')) + + if self.logos_right: + logos.reverse() + # See if logos fit into the gradient. If not, scale down accordingly. space_for_logos = ( metr.width - metr.bar_width - - 2 * metr.gradient_logo_margin_right + - 2 * metr.gradient_logo_margin_right + self.bleed ) widths = [ - logo.size[0] * metr.gradient_logo_height / logo.size[1] + min( + metr.gradient_logo_max_width, + logo.size[0] * metr.gradient_logo_height / logo.size[1] + ) for logo in logos] - taken_space = ( - sum(widths) - + (len(logos) - 1) * (metr.gradient_logo_spacing) - ) + taken_space = sum(widths) + (len(logos) - 1) * metr.gradient_logo_spacing + if taken_space > space_for_logos: + logo_scale = space_for_logos / taken_space + else: + logo_scale = 1 + if self.gradient_logo_centering: + cursor += int((space_for_logos - taken_space) / 2) logo_scale = ( space_for_logos / taken_space if taken_space > space_for_logos else 1 ) - logo_top += int(metr.gradient_logo_height * (1 - logo_scale) / 2) + #logo_top += int(metr.gradient_logo_height * (1 - logo_scale) / 2) for i, logo in enumerate(logos): + if i == -1: + L_scale = 1 + else: + L_scale = logo_scale + L_top = logo_top + int(metr.gradient_logo_height * (1 - L_scale) / 2) + logo = logo.resize( ( - int(round(widths[i] * logo_scale)), - int(round(metr.gradient_logo_height * logo_scale)) + int(round(widths[i] * L_scale)), + int(round( + logo.size[1] * widths[i] / logo.size[0] * L_scale + )) ), - Image.ANTIALIAS) - cursor -= logo.size[0] - img.paste(logo, (cursor, logo_top), mask=logo) - cursor -= int(round(metr.gradient_logo_spacing * logo_scale)) + Image.Resampling.LANCZOS) + if self.logos_right: + cursor -= logo.size[0] + + img.paste( + logo, + ( + cursor, + L_top + #int(round(logo_top + (metr.gradient_logo_height - logo.size[1]) * L_scale / 2)) + ), + mask=logo + ) + if self.logos_right: + cursor -= int(round(metr.gradient_logo_spacing * logo_scale)) + else: + cursor += int(round(metr.gradient_logo_spacing * logo_scale)) + logo.size[0] + + if self.annotation: + img2 = Image.new('RGBA', (metr.height, metr.height), color=None) + draw = ImageDraw.Draw(img2) + author_font = ImageFont.truetype( + self.author_font_ttf, metr.annotation_height, + 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) + img2.show() + img.putalpha(0) + img.alpha_composite(img2, (0, 0)) + img = img.convert('RGB') return img + + def image(self): + img = super(LogoWLCover, self).image() + metr = Metric(self, self.scale) + if self.has_gradient_logos: + img = self.add_gradient_logos(img, metr) + return img + + +class LegimiCover(LogoWLCover): + width = 210 + height = 297 + bar_width = 0 + # Other bar + + author_font_ttf = get_resource('fonts/Lora-Regular.ttf') + author_font_size = 15 + author_lineskip = 19.5 + author_centering = False + title_font_ttf = get_resource('fonts/Lora-Bold.ttf') + title_font_size = 15 + title_lineskip = 19.5 + title_centering = False + + title_box_width = 210 + + box_bottom_margin = 20 + box_padding_x = 20 + box_padding_y = 10 # do baseline + box_above_line = 6 + box_below_line = 0 + box_line_left = 0 + box_line_right = 0 + + box_line_width = 0 + + box_bar_width = 20 + + #logo_top = 15 + #logo_width = 140 + + bar_color = '#000' + box_position = 'bottom' + background_color = '#444' + author_color = '#000' + title_color = '#000' + set_title_color = False + + kind_box_position = {} + + box_bottom_margin_logos_add = 10 + gradient_height = 30 + gradient_easing = 0 + gradient_logo_height = 20 + gradient_logo_max_width = 200 + gradient_logo_margin_right = 10 + gradient_logo_spacing = 20 + gradient_color = '#000' + gradient_opacity = .5 + gradient_logos = [ + 'res/wl-logo-white.png', + ] + logos_right = False + gradient_logo_centering = True + background_top = True + + genre_colors = { + 'Artykuł': '#bf001a', + 'Artykuł naukowy': '#bf001a', + 'Dziennik': '#bf001a', + 'Esej': '#bf001a', + 'Felieton': '#bf001a', + 'Kronika': '#bf001a', + 'List': '#bf001a', + 'Manifest': '#bf001a', + 'Odczyt': '#bf001a', + 'Pamiętnik': '#bf001a', + 'Poradnik': '#bf001a', + 'Praca naukowa': '#bf001a', + 'Publicystyka': '#bf001a', + 'Reportaż': '#bf001a', + 'Reportaż podróżniczy': '#bf001a', + 'Rozprawa': '#bf001a', + 'Rozprawa polityczna': '#bf001a', + 'Traktat': '#bf001a', + } + kind_colors = { + 'Epika': '#9bbb2b', + 'Liryka': '#3e626f', + 'Dramat': '#ecbe00', + } + + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + if self.has_gradient_logos: + self.box_bottom_margin += self.box_bottom_margin_logos_add + + def pretty_authors(self): + return self.authors + + def get_variable_color(self, book_info): + for genre in book_info.genres: + if genre in self.genre_colors: + return self.genre_colors[genre] + for kind in book_info.kinds: + if kind in self.kind_colors: + return self.kind_colors[kind] + +class LegimiCornerCover(LegimiCover): + gradient_logos = [] + corner_width = 120 + corner_image = get_resource('res/book-band.png') + + def image(self): + image = super().image() + metr = Metric(self, self.scale) + + if self.corner_image: + corner = Image.open(self.corner_image).convert('RGBA') + corner = corner.resize( + ( + int(round(metr.corner_width)), + int(round(corner.size[1] / corner.size[0] * metr.corner_width)) + ) + ) + image.paste(corner, ( + metr.width - int(round(metr.corner_width)), + 0, + ), corner) + return image + +class LegimiAudiobookCover(LegimiCornerCover): + corner_width = 82.5 + corner_image = get_resource('res/audiobook-sticker.png') + height = 210 class EbookpointCover(LogoWLCover): @@ -602,7 +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): @@ -653,7 +932,7 @@ class KMLUCover(LogoWLCover): class MPWCover(LogoWLCover): - gradient_logo_height = 58 + gradient_logo_height = 57 gradient_logo_spacing = 25 gradient_logos = [ 'res/mpw-logo-white.png', @@ -672,18 +951,70 @@ class AtriumCover(LogoWLCover): ] +class BNCover(LogoWLCover): + gradient_logos = [ + 'res/dofinansowano.png', + 'res/MKIDN.jpg', + 'res/BN.png', + 'res/wl-logo-white.png', + ] +# annotation = 'Zadanie „Udostępnienie publikacji w formatach cyfrowych” w ramach Narodowego Programu Rozwoju Czytelnictwa. Dofinansowano ze środków Ministra Kultury, Dziedzictwa Narodowego i Sportu.' + + +class FactoryCover(LogoWLCover): + gradient_logos = [ + 'res/factory.jpg', + 'res/wl-logo-white.png', + ] + qrcode = 'pk_campaign=factory22' + format = 'PNG' + + def __init__(self, *args, **kwargs): + kwargs.setdefault('bleed', 10) + return super().__init__(*args, **kwargs) + + def ext(self): + return 'pdf' + + def output_file(self, *args, **kwargs): + imgfile = super().output_file(*args, **kwargs) + import subprocess + import tempfile + with tempfile.TemporaryDirectory(prefix='factory-', dir='.') as d: + import os + import shutil + with open(d + '/cover.png', 'wb') as f: + f.write(imgfile.get_bytes()) + shutil.copy(get_resource('res/factory-cover.svg'), d) + subprocess.call(['inkscape', f'--export-filename={d}/cover.pdf', d + '/factory-cover.svg']) + with open(d + '/cover.pdf', 'rb') as f: + return OutputFile.from_bytes(f.read()) + + + +from librarian.covers.marquise import MarquiseCover, LabelMarquiseCover + COVER_CLASSES = { - 'default': LogoWLCover, + 'legacy': LogoWLCover, 'kmlu': KMLUCover, 'mpw': MPWCover, 'atrium': AtriumCover, + 'bn': BNCover, + 'legimi': LegimiCover, + 'legimi-corner': LegimiCornerCover, + 'legimi-audiobook': LegimiAudiobookCover, + 'factory': FactoryCover, + 'm': MarquiseCover, + 'm-label': LabelMarquiseCover, + 'default': MarquiseCover, } 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)