2 from librarian.cover import Cover, Metric
3 from .utils.color import algo_contrast_or_hue, luminance, is_very_bright
4 from .utils.textbox import DoesNotFit
5 from .widgets.author import AuthorBox
6 from .widgets.background import Background
7 from .widgets.image import WLLogo, Label
8 from .widgets.marquise import Marquise
9 from .widgets.title import TitleBox
12 class MarquiseCover(Cover):
14 square_variant = False
26 'rgb': (0xc3, 0x27, 0x21),
30 'rgb': (0xa0, 0xbf, 0x38),
34 'rgb': (0xed, 0xc0, 0x16),
38 'rgb': (0x47, 0x66, 0x75),
42 for c in color_schemes:
43 c['luminance'] = luminance(c['rgb'])
44 cim = PIL.Image.new('RGB', (1, 1))
45 cim.putpixel((0, 0), c['rgb'])
47 c['hsv'] = cim.getpixel((0, 0))
50 def set_size(self, final_width, final_height):
51 if final_width is None:
52 self.m = Metric(self, 1)
54 if final_width > self.width:
55 self.m = Metric(self, final_width / self.width)
57 self.m = Metric(self, 1)
58 self.scale_after = final_width / self.width
60 if final_height is not None:
61 self.height = round(final_height / self.scale_after / self.m._scale)
63 self.square_variant = self.height / self.width < 250 / 210
65 marquise_square_small = int(self.width / 2) - 300
66 marquise_square_big = int(self.width / 2) - 100
67 marquise_a4_small = 2970 - self.width
68 marquise_a4_big = marquise_a4_small + 100
70 self.marquise_small = int(round(marquise_square_small + (marquise_a4_small - marquise_square_small) * (self.height - self.width) / (2970 - 2100)))
71 self.marquise_big = int(round(marquise_square_big + (marquise_a4_big - marquise_square_big) * (self.height - self.width) / (2970 - 2100)))
72 self.marquise_xl = self.marquise_big + 200
74 if self.marquise_small > self.marquise_big:
75 self.marquise_small = self.marquise_big
77 def set_color_scheme_from(self, img):
78 self.color_scheme = algo_contrast_or_hue(img, self.color_schemes)
79 self.is_very_bright = is_very_bright(img)
82 img = PIL.Image.new('RGB', (self.m.width, self.m.height), self.background_color)
86 if self.square_variant:
88 (self.m.marquise_small, 1),
89 (self.m.marquise_big, 2),
90 (self.m.marquise_big, 3),
91 (self.m.marquise_big, None),
95 (self.m.marquise_small, 2),
96 (self.m.marquise_small, 1),
97 (self.m.marquise_big, 3),
98 (self.m.marquise_xl, 4),
99 (self.m.marquise_xl, None),
102 # Trying all the layout options with decreasing scale.
105 while title_box is None:
106 for marquise_h, lines in layout_options:
107 title_box_height = marquise_h - self.m.title_box_top - self.m.margin
109 title_box = TitleBox(
111 self.m.width - 2 * self.m.margin,
122 self.marquise_height = marquise_h
123 marquise = Marquise(self, marquise_h)
127 0, marquise.edge_top,
128 self.m.width, self.m.height - marquise.edge_top
130 self.set_color_scheme_from(
132 0, marquise.edge_top,
133 self.m.width, marquise.edge_top + (
134 self.m.height - marquise.edge_top
140 img, 0, 0, self.m.width
144 marquise.title_box_position[0],
145 marquise.title_box_position[1],
148 AuthorBox(self, self.m.author_width).apply(
149 img, self.m.width - self.m.margin - self.m.author_width, self.m.margin
151 WLLogo(self).apply(img, self.m.margin, self.m.margin, None, self.m.logo_h)
154 for logo in self.additional_logos:
155 LogoSticker(self, logo).apply(img, 0, 0)
162 class LabelMarquiseCover(MarquiseCover):
169 img = super().image()
174 self.marquise_height - self.m.label_top,