X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/84b53914734c1652526b30f0c27af57f1e123711..ac7899052e10143e0548ad7de2f67a2c6ca2b50b:/librarian/cover.py?ds=sidebyside diff --git a/librarian/cover.py b/librarian/cover.py index 9b10ed1..21eedc3 100644 --- a/librarian/cover.py +++ b/librarian/cover.py @@ -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 +214,12 @@ class Cover(object): return self.exts[self.format] def save(self, *args, **kwargs): - return self.image().save(format=self.format, quality=95, *args, **kwargs) + default_kwargs = { + 'format': self.format, + 'quality': 95, + } + default_kwargs.update(kwargs) + return self.final_image().save(*args, **default_kwargs) def output_file(self, *args, **kwargs): imgstr = StringIO() @@ -211,7 +228,7 @@ class Cover(object): class WLCover(Cover): - """Default Wolne Lektury cover generator.""" + """Wolne Lektury cover without logos.""" width = 600 height = 833 uses_dc_cover = True @@ -236,9 +253,11 @@ class WLCover(Cover): logo_width = 140 bar_width = 35 + bar_color = '#000' + box_position = 'middle' background_color = '#444' author_color = '#444' - default_background = get_resource('res/cover.png') + background_img = get_resource('res/cover.png') format = 'JPEG' epoch_colors = { @@ -254,11 +273,25 @@ class WLCover(Cover): u'Współczesność': '#06393d', } - def __init__(self, book_info, format=None, width=None, height=None, with_logo=False): + kind_box_position = { + u'Liryka': 'top', + u'Epika': 'bottom', + } + + def __init__(self, book_info, format=None, width=None, height=None): 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 + # Set box position. + self.box_position = book_info.cover_box_position or \ + self.kind_box_position.get(book_info.kind, self.box_position) + # Set bar color. + if book_info.cover_bar_color == 'none': + self.bar_width = 0 + else: + self.bar_color = book_info.cover_bar_color or \ + self.epoch_colors.get(book_info.epoch, self.bar_color) + # Set title color. + self.title_color = self.epoch_colors.get(book_info.epoch, self.title_color) + if book_info.cover_url: url = book_info.cover_url bg_src = None @@ -266,46 +299,17 @@ class WLCover(Cover): bg_src = URLOpener().open(url) self.background_img = StringIO(bg_src.read()) bg_src.close() - else: - self.background_img = self.default_background def pretty_author(self): return self.author.upper() - def image(self): - metr = Metric(self, self.scale) - img = Image.new('RGB', (metr.width, metr.height), self.background_color) - draw = ImageDraw.Draw(img) - - if self.epoch in self.epoch_colors: - epoch_color = self.epoch_colors[self.epoch] - else: - epoch_color = '#000' - draw.rectangle((0, 0, metr.bar_width, metr.height), fill=epoch_color) - - if self.background_img: - src = Image.open(self.background_img) - trg_size = (metr.width - metr.bar_width, metr.height) - if src.size[0] * trg_size[1] < src.size[1] * trg_size[0]: - resized = ( - trg_size[0], - src.size[1] * trg_size[0] / src.size[0] - ) - cut = (resized[1] - trg_size[1]) / 2 - src = src.resize(resized, Image.ANTIALIAS) - src = src.crop((0, cut, src.size[0], src.size[1] - cut)) - else: - resized = ( - src.size[0] * trg_size[1] / src.size[1], - trg_size[1], - ) - cut = (resized[0] - trg_size[0]) / 2 - src = src.resize(resized, Image.ANTIALIAS) - src = src.crop((cut, 0, src.size[0] - cut, src.size[1])) + def add_box(self, img): + if self.box_position == 'none': + return img - img.paste(src, (metr.bar_width, 0)) - del src + metr = Metric(self, self.scale) + # Write author name. box = TextBox(metr.title_box_width, metr.height, padding_y=metr.box_padding_y) author_font = ImageFont.truetype( self.author_font_ttf, metr.author_font_size) @@ -321,46 +325,68 @@ class WLCover(Cover): fill=self.author_color, width=metr.box_line_width) box.skip(metr.box_below_line) + # Write title. title_font = ImageFont.truetype( self.title_font_ttf, metr.title_font_size) box.text(self.pretty_title(), line_height=metr.title_lineskip, font=title_font, - color=epoch_color, + color=self.title_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': - # top + # Find box position. + if self.box_position == 'top': box_top = metr.box_top_margin - elif self.kind == 'Epika': - # bottom + elif self.box_position == 'bottom': box_top = metr.height - metr.box_bottom_margin - box_img.size[1] - else: - # center + 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]) / 2 - draw.rectangle((box_left, box_top, + + # Draw the white box. + ImageDraw.Draw(img).rectangle((box_left, box_top, box_left + box_img.size[0], box_top + box_img.size[1]), fill='#fff') + # Paste the contents into the white box. img.paste(box_img, (box_left, box_top), box_img) + return img + + def image(self): + metr = Metric(self, self.scale) + img = Image.new('RGB', (metr.width, metr.height), self.background_color) + draw = ImageDraw.Draw(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) + draw.rectangle((0, 0, metr.bar_width, metr.height), fill=self.bar_color) + + if self.background_img: + src = Image.open(self.background_img) + trg_size = (metr.width - metr.bar_width, metr.height) + if src.size[0] * trg_size[1] < src.size[1] * trg_size[0]: + resized = ( + trg_size[0], + src.size[1] * trg_size[0] / src.size[0] + ) + cut = (resized[1] - trg_size[1]) / 2 + src = src.resize(resized, Image.ANTIALIAS) + src = src.crop((0, cut, src.size[0], src.size[1] - cut)) + else: + resized = ( + src.size[0] * trg_size[1] / src.size[1], + trg_size[1], + ) + cut = (resized[0] - trg_size[0]) / 2 + 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)) + del src + + img = self.add_box(img) return img @@ -483,3 +509,7 @@ class GandalfCover(Cover): logo_bottom = 25 logo_width = 250 format = 'PNG' + + +DefaultEbookCover = LogoWLCover +