kopia lustrzana https://github.com/OpenDroneMap/WebODM
84 wiersze
2.5 KiB
Python
84 wiersze
2.5 KiB
Python
import logging
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from app.models import Setting
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logger = logging.getLogger('app.logger')
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# Make the SETTINGS object available to all templates
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def load(request=None):
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return {'SETTINGS': Setting.objects.first()}
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# Helper functions for libsass
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def theme(color):
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"""Return a theme color from the currently selected theme"""
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try:
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return getattr(load()['SETTINGS'].theme, color)
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except Exception as e:
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logger.warning("Cannot load configuration from theme(): " + e.message)
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return "blue" # dah buh dih ah buh daa..
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def complementary(hexcolor):
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"""Returns complementary RGB color
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Example: complementaryColor('#FFFFFF') --> '#000000'
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"""
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if hexcolor[0] == '#':
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hexcolor = hexcolor[1:]
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rgb = (hexcolor[0:2], hexcolor[2:4], hexcolor[4:6])
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comp = ['%02X' % (255 - int(a, 16)) for a in rgb]
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return '#' + ''.join(comp)
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def scaleby(hexcolor, scalefactor, ignore_value = False):
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"""
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Scales a hex string by ``scalefactor``, but is color dependent, unless ignore_value is True
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scalefactor is now always between 0 and 1. A value of 0.8
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will cause bright colors to become darker and
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dark colors to become brigther by 20%
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"""
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def calculate(hexcolor, scalefactor):
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"""
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Scales a hex string by ``scalefactor``. Returns scaled hex string.
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To darken the color, use a float value between 0 and 1.
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To brighten the color, use a float value greater than 1.
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>>> colorscale("#DF3C3C", .5)
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#6F1E1E
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>>> colorscale("#52D24F", 1.6)
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#83FF7E
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>>> colorscale("#4F75D2", 1)
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#4F75D2
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"""
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def clamp(val, minimum=0, maximum=255):
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if val < minimum:
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return minimum
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if val > maximum:
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return maximum
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return int(val)
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hexcolor = hexcolor.strip('#')
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if scalefactor < 0 or len(hexcolor) != 6:
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return hexcolor
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r, g, b = int(hexcolor[:2], 16), int(hexcolor[2:4], 16), int(hexcolor[4:], 16)
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r = clamp(r * scalefactor)
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g = clamp(g * scalefactor)
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b = clamp(b * scalefactor)
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return "#%02x%02x%02x" % (r, g, b)
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hexcolor = hexcolor.strip('#')
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scalefactor = abs(float(scalefactor.value))
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scalefactor = min(1.0, max(0, scalefactor))
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r, g, b = int(hexcolor[:2], 16), int(hexcolor[2:4], 16), int(hexcolor[4:], 16)
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value = max(r, g, b)
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return calculate(hexcolor, scalefactor if ignore_value or value >= 127 else 2 - scalefactor)
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