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Use a dictionary for color themes so we can add extra fields easily later

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Kovid Goyal 2014-09-14 12:12:17 +05:30
parent e7a2bd2691
commit 99193f50ca
1 changed files with 24 additions and 20 deletions
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44
src/calibre/ebooks/covers.py
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@ -11,7 +11,7 @@ from collections import namedtuple
from contextlib import contextmanager from contextlib import contextmanager
from math import ceil, sqrt, cos, sin, atan2 from math import ceil, sqrt, cos, sin, atan2
from future_builtins import map, zip from future_builtins import map, zip
from itertools import chain, repeat from itertools import chain
from PyQt5.Qt import ( from PyQt5.Qt import (
QImage, Qt, QFont, QPainter, QPointF, QTextLayout, QTextOption, QImage, Qt, QFont, QPainter, QPointF, QTextLayout, QTextOption,
@ -244,16 +244,22 @@ def format_text(mi, prefs):
return tuple(format_fields(mi, prefs)) return tuple(format_fields(mi, prefs))
# }}} # }}}
default_color_themes = { # Colors {{{
'Mocha': 'e8d9ac c7b07b 564628 382d1a',
}
ColorTheme = namedtuple('ColorTheme', 'color1 color2 contrast_color1 contrast_color2') ColorTheme = namedtuple('ColorTheme', 'color1 color2 contrast_color1 contrast_color2')
def to_theme(x):
return {k:v for k, v in zip(ColorTheme._fields[:4], x.split())}
fallback_colors = to_theme('ffffff 000000 000000 ffffff')
default_color_themes = {
'Mocha': to_theme('e8d9ac c7b07b 564628 382d1a'),
}
def theme_to_colors(theme): def theme_to_colors(theme):
colors = [QColor('#' + c) for c in theme.split()] colors = {k:QColor('#' + theme[k]) for k in ColorTheme._fields}
colors += list(repeat(QColor(), len(ColorTheme._fields) - len(colors))) return ColorTheme(**colors)
return ColorTheme(*colors)
def load_color_themes(prefs): def load_color_themes(prefs):
t = default_color_themes.copy() t = default_color_themes.copy()
@ -261,19 +267,15 @@ def load_color_themes(prefs):
disabled = frozenset(prefs.disabled_color_themes) disabled = frozenset(prefs.disabled_color_themes)
return [theme_to_colors(v) for k, v in t.iteritems() if k not in disabled] return [theme_to_colors(v) for k, v in t.iteritems() if k not in disabled]
def color(color_theme, name, fallback=Qt.white): def color(color_theme, name):
ans = getattr(color_theme, name) ans = getattr(color_theme, name)
if not ans.isValid(): if not ans.isValid():
ans = QColor(fallback) ans = QColor('#' + fallback_colors[name])
return ans return ans
def load_colors(color_theme): # }}}
c1 = color(color_theme, 'color1', Qt.white)
c2 = color(color_theme, 'color2', Qt.black)
cc1 = color(color_theme, 'contrast_color1', Qt.white)
cc2 = color(color_theme, 'contrast_color2', Qt.black)
return c1, c2, cc1, cc2
# Styles {{{
class Style(object): class Style(object):
TITLE_ALIGN = SUBTITLE_ALIGN = FOOTER_ALIGN = Qt.AlignHCenter | Qt.AlignTop TITLE_ALIGN = SUBTITLE_ALIGN = FOOTER_ALIGN = Qt.AlignHCenter | Qt.AlignTop
@ -287,10 +289,10 @@ class Style(object):
self.vmargin = int((50 / 800) * prefs.cover_height) self.vmargin = int((50 / 800) * prefs.cover_height)
def load_colors(self, color_theme): def load_colors(self, color_theme):
self.color1 = color(color_theme, 'color1', Qt.white) self.color1 = color(color_theme, 'color1')
self.color2 = color(color_theme, 'color2', Qt.black) self.color2 = color(color_theme, 'color2')
self.ccolor1 = color(color_theme, 'contrast_color1', Qt.white) self.ccolor1 = color(color_theme, 'contrast_color1')
self.ccolor2 = color(color_theme, 'contrast_color2', Qt.black) self.ccolor2 = color(color_theme, 'contrast_color2')
class Cross(Style): class Cross(Style):
@ -429,6 +431,8 @@ def load_styles(prefs):
return tuple(x for x in globals().itervalues() if return tuple(x for x in globals().itervalues() if
isinstance(x, type) and issubclass(x, Style) and x is not Style and x.NAME not in disabled) isinstance(x, type) and issubclass(x, Style) and x is not Style and x.NAME not in disabled)
# }}}
def generate_cover(mi, prefs=None, as_qimage=False): def generate_cover(mi, prefs=None, as_qimage=False):
ensure_app() ensure_app()
load_builtin_fonts() load_builtin_fonts()