X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/ebe02c4c8c6e0bb91fe6a31b1648fab17f23d097..f6e2bb1feb744c79fad320190251f9c6829ad0ab:/librarian/cover.py?ds=inline diff --git a/librarian/cover.py b/librarian/cover.py index 21eedc3..6390f8a 100644 --- a/librarian/cover.py +++ b/librarian/cover.py @@ -4,7 +4,7 @@ # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. # import re -from PIL import Image, ImageFont, ImageDraw, ImageFilter, ImageEnhance +from PIL import Image, ImageFont, ImageDraw, ImageFilter from StringIO import StringIO from librarian import get_resource, OutputFile, URLOpener @@ -18,8 +18,9 @@ class Metric(object): def __getattr__(self, name): src = getattr(self._obj, name) if src and self._scale: - src = type(src)(self._scale * src) - return src + return type(src)(self._scale * src) + else: + return src class TextBox(object): @@ -142,6 +143,8 @@ class Cover(object): self.title = book_info.title if format is not None: self.format = format + if width and height: + self.height = height * self.width / width scale = max(float(width or 0) / self.width, float(height or 0) / self.height) if scale >= 1: self.scale = scale @@ -179,8 +182,7 @@ class Cover(object): author_font = ImageFont.truetype( self.author_font_ttf, metr.author_font_size) - tbox.text(self.pretty_author(), self.author_color, author_font, - metr.author_lineskip, self.author_shadow) + tbox.text(self.pretty_author(), self.author_color, author_font, metr.author_lineskip, self.author_shadow) text_img = tbox.image() img.paste(text_img, (metr.author_margin_left, top), text_img) @@ -191,8 +193,7 @@ class Cover(object): ) title_font = ImageFont.truetype( self.title_font_ttf, metr.title_font_size) - tbox.text(self.pretty_title(), self.title_color, title_font, - metr.title_lineskip, self.title_shadow) + tbox.text(self.pretty_title(), self.title_color, title_font, metr.title_lineskip, self.title_shadow) text_img = tbox.image() img.paste(text_img, (metr.title_margin_left, top), text_img) @@ -239,7 +240,7 @@ class WLCover(Cover): title_font_size = 30 title_lineskip = 40 title_box_width = 350 - + box_top_margin = 100 box_bottom_margin = 100 box_padding_y = 20 @@ -278,7 +279,7 @@ class WLCover(Cover): u'Epika': 'bottom', } - def __init__(self, book_info, format=None, width=None, height=None): + def __init__(self, book_info, format=None, width=None, height=None, bleed=0): super(WLCover, self).__init__(book_info, format=format, width=width, height=height) # Set box position. self.box_position = book_info.cover_box_position or \ @@ -292,6 +293,11 @@ class WLCover(Cover): # Set title color. self.title_color = self.epoch_colors.get(book_info.epoch, self.title_color) + self.bleed = bleed + self.box_top_margin += bleed + self.box_bottom_margin += bleed + self.bar_width += bleed + if book_info.cover_url: url = book_info.cover_url bg_src = None @@ -317,12 +323,11 @@ class WLCover(Cover): font=author_font, line_height=metr.author_lineskip, color=self.author_color, - shadow_color=self.author_shadow, - ) + shadow_color=self.author_shadow) box.skip(metr.box_above_line) box.draw.line((metr.box_line_left, box.height, metr.box_line_right, box.height), - fill=self.author_color, width=metr.box_line_width) + fill=self.author_color, width=metr.box_line_width) box.skip(metr.box_below_line) # Write title. @@ -332,8 +337,7 @@ class WLCover(Cover): line_height=metr.title_lineskip, font=title_font, color=self.title_color, - shadow_color=self.title_shadow, - ) + shadow_color=self.title_shadow) box_img = box.image() @@ -345,17 +349,33 @@ class WLCover(Cover): 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 + box_left = metr.bar_width + (metr.width - metr.bar_width - box_img.size[0]) / 2 # 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') + 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 add_cut_lines(self, img): + line_ratio = 0.5 + if self.bleed == 0: + return img + metr = Metric(self, self.scale) + draw = ImageDraw.Draw(img) + for corner_x, corner_y in ((0, 0), (metr.width, 0), (0, metr.height), (metr.width, metr.height)): + dir_x = 1 if corner_x == 0 else -1 + dir_y = 1 if corner_y == 0 else -1 + for offset in (-1, 0, 1): + draw.line((corner_x, corner_y + dir_y * metr.bleed + offset, + corner_x + dir_x * metr.bleed * line_ratio, corner_y + dir_y * metr.bleed + offset), + fill='black' if offset == 0 else 'white', width=1) + draw.line((corner_x + dir_x * metr.bleed + offset, corner_y, + corner_x + dir_x * metr.bleed + offset, corner_y + dir_y * metr.bleed * line_ratio), + fill='black' if offset == 0 else 'white', width=1) + return img + def image(self): metr = Metric(self, self.scale) img = Image.new('RGB', (metr.width, metr.height), self.background_color) @@ -388,6 +408,13 @@ class WLCover(Cover): img = self.add_box(img) + # img = self.add_cut_lines(img) + + return img + + +class WLNoBoxCover(WLCover): + def add_box(self, img): return img @@ -403,6 +430,11 @@ class LogoWLCover(WLCover): 'res/fnp-logo-white.png', ] + def __init__(self, *args, **kwargs): + super(LogoWLCover, self).__init__(*args, **kwargs) + self.gradient_height += self.bleed + self.gradient_logo_margin_right += self.bleed + def image(self): img = super(LogoWLCover, self).image() metr = Metric(self, self.scale) @@ -410,12 +442,13 @@ class LogoWLCover(WLCover): 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) + 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 + logo_top = metr.height - metr.gradient_height / 2 - metr.gradient_logo_height / 2 - metr.bleed / 2 for logo_path in self.gradient_logos[::-1]: logo = Image.open(get_resource(logo_path)) logo = logo.resize( @@ -511,5 +544,33 @@ class GandalfCover(Cover): format = 'PNG' -DefaultEbookCover = LogoWLCover +class KMLUCover(LogoWLCover): + gradient_logo_height = 58 + gradient_logo_spacing = 25 + gradient_logos = [ + 'res/kmlu-logo-white.png', + 'res/wl-logo-white.png', + 'res/fnp-logo-white.png', + ] + + +class MPWCover(LogoWLCover): + gradient_logo_height = 58 + gradient_logo_spacing = 25 + gradient_logos = [ + 'res/mpw-logo-white.png', + 'res/wl-logo-white.png', + 'res/fnp-logo-white.png', + ] + + +COVER_CLASSES = { + 'default': LogoWLCover, + 'kmlu': KMLUCover, + 'mpw': MPWCover, +} + +def make_cover(book_info, *args, **kwargs): + cover_class = COVER_CLASSES[book_info.cover_class] + return cover_class(book_info, *args, **kwargs)