X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/c1000fe83b652dcd85b8fc57b60567e3d93aa5c9..0081ccb8e51026b5af824b3c641648d23155f1e1:/librarian/cover.py diff --git a/librarian/cover.py b/librarian/cover.py index 9fb01b7..d1b2cc0 100644 --- a/librarian/cover.py +++ b/librarian/cover.py @@ -4,7 +4,7 @@ # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. # import re -import Image, ImageFont, ImageDraw, ImageFilter +from PIL import Image, ImageFont, ImageDraw, ImageFilter, ImageEnhance from StringIO import StringIO from librarian import get_resource, OutputFile, URLOpener @@ -125,6 +125,7 @@ class Cover(object): format = 'JPEG' scale = 1 + scale_after = 1 exts = { 'JPEG': 'jpg', @@ -142,8 +143,10 @@ class Cover(object): if format is not None: self.format = format scale = max(float(width or 0) / self.width, float(height or 0) / self.height) - if scale: + if scale >= 1: self.scale = scale + elif scale: + self.scale_after = scale def pretty_author(self): """Allows for decorating author's name.""" @@ -195,6 +198,15 @@ class Cover(object): return img + def final_image(self): + img = self.image() + if self.scale_after != 1: + img = img.resize(( + int(round(img.size[0] * self.scale_after)), + int(round(img.size[1] * self.scale_after))), + Image.ANTIALIAS) + return img + def mime_type(self): return self.mime_types[self.format] @@ -202,7 +214,7 @@ class Cover(object): return self.exts[self.format] def save(self, *args, **kwargs): - return self.image().save(format=self.format, quality=95, *args, **kwargs) + return self.final_image().save(format=self.format, quality=95, *args, **kwargs) def output_file(self, *args, **kwargs): imgstr = StringIO() @@ -211,7 +223,7 @@ class Cover(object): class WLCover(Cover): - """Default Wolne Lektury cover generator.""" + """Wolne Lektury cover without logos.""" width = 600 height = 833 uses_dc_cover = True @@ -231,7 +243,10 @@ class WLCover(Cover): box_line_left = 75 box_line_right = 275 box_line_width = 2 - + + logo_top = 15 + logo_width = 140 + bar_width = 35 background_color = '#444' author_color = '#444' @@ -251,10 +266,11 @@ class WLCover(Cover): u'Współczesność': '#06393d', } - def __init__(self, book_info, format=None, width=None, height=None): + def __init__(self, book_info, format=None, width=None, height=None, with_logo=False): super(WLCover, self).__init__(book_info, format=format, width=width, height=height) self.kind = book_info.kind self.epoch = book_info.epoch + self.with_logo = with_logo if book_info.cover_url: url = book_info.cover_url bg_src = None @@ -288,7 +304,7 @@ class WLCover(Cover): src.size[1] * trg_size[0] / src.size[0] ) cut = (resized[1] - trg_size[1]) / 2 - src = src.resize(resized) + src = src.resize(resized, Image.ANTIALIAS) src = src.crop((0, cut, src.size[0], src.size[1] - cut)) else: resized = ( @@ -296,7 +312,7 @@ class WLCover(Cover): trg_size[1], ) cut = (resized[0] - trg_size[0]) / 2 - src = src.resize(resized) + src = src.resize(resized, Image.ANTIALIAS) src = src.crop((cut, 0, src.size[0] - cut, src.size[1])) img.paste(src, (metr.bar_width, 0)) @@ -325,6 +341,15 @@ class WLCover(Cover): color=epoch_color, shadow_color=self.title_shadow, ) + + if self.with_logo: + logo = Image.open(get_resource('res/wl-logo-mono.png')) + logo = logo.resize((metr.logo_width, logo.size[1] * metr.logo_width / logo.size[0]), Image.ANTIALIAS) + alpha = logo.split()[3] + alpha = ImageEnhance.Brightness(alpha).enhance(.75) + logo.putalpha(alpha) + box.skip(metr.logo_top + logo.size[1]) + box_img = box.image() if self.kind == 'Liryka': @@ -344,9 +369,60 @@ class WLCover(Cover): fill='#fff') img.paste(box_img, (box_left, box_top), box_img) + if self.with_logo: + img.paste(logo, + (box_left + (box_img.size[0] - logo.size[0]) / 2, + box_top + box_img.size[1] - metr.box_padding_y - logo.size[1]), mask=logo) + + return img + + +class LogoWLCover(WLCover): + gradient_height = 90 + gradient_logo_height = 60 + gradient_logo_margin_right = 30 + gradient_logo_spacing = 40 + gradient_color = '#000' + gradient_opacity = .6 + gradient_logos = [ + 'res/wl-logo-white.png', + 'res/fnp-logo-white.png', + ] + + def image(self): + img = super(LogoWLCover, self).image() + metr = Metric(self, self.scale) + gradient = Image.new('RGBA', (metr.width - metr.bar_width, metr.gradient_height), self.gradient_color) + gradient_mask = Image.new('L', (metr.width - metr.bar_width, metr.gradient_height)) + draw = ImageDraw.Draw(gradient_mask) + for line in range(0, metr.gradient_height): + draw.line((0, line, metr.width - metr.bar_width, line), fill=int(255 * self.gradient_opacity * line / metr.gradient_height)) + img.paste(gradient, + (metr.bar_width, metr.height - metr.gradient_height), mask=gradient_mask) + + cursor = metr.width - metr.gradient_logo_margin_right + logo_top = metr.height - metr.gradient_height / 2 - metr.gradient_logo_height / 2 + for logo_path in self.gradient_logos[::-1]: + logo = Image.open(get_resource(logo_path)) + logo = logo.resize( + (logo.size[0] * metr.gradient_logo_height / logo.size[1], metr.gradient_logo_height), + Image.ANTIALIAS) + cursor -= logo.size[0] + img.paste(logo, (cursor, logo_top), mask=logo) + cursor -= metr.gradient_logo_spacing + return img +class EbookpointCover(LogoWLCover): + gradient_logo_height = 58 + gradient_logo_spacing = 25 + gradient_logos = [ + 'res/ebookpoint-logo-white.png', + 'res/wl-logo-white.png', + 'res/fnp-logo-white.png', + ] + class VirtualoCover(Cover): width = 600 @@ -419,3 +495,7 @@ class GandalfCover(Cover): logo_bottom = 25 logo_width = 250 format = 'PNG' + + +DefaultEbookCover = LogoWLCover +