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ch_mixin.py
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ch_mixin.py
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"""Mix-in class."""
import sublime
from . lib import colorbox
from . import ch_util as util
from .ch_util import GAMUT_SPACES
from .lib.multiconf import get as qualify_settings
from .lib.coloraide import Color
from collections import namedtuple
SPACER = Color("transparent")
class Preview(namedtuple('Preview', ['preview1', 'preview2', 'border', 'message'])):
"""Preview."""
class _ColorMixin:
"""Color box mix-in class."""
def setup_gamut_style(self):
"""Setup the gamut style."""
ch_settings = sublime.load_settings('color_helper.sublime-settings')
self.show_out_of_gamut_preview = ch_settings.get('show_out_of_gamut_preview', True)
self.gamut_space = ch_settings.get('gamut_space', 'srgb')
self.gamut_map = ch_settings.get('gamut_map', 'lch-chroma')
if self.gamut_space not in GAMUT_SPACES:
self.gamut_space = 'srgb'
def setup_image_border(self):
"""Setup_image_border."""
ch_settings = sublime.load_settings('color_helper.sublime-settings')
border_color = ch_settings.get('image_border_color')
if border_color is not None:
try:
border_color = self.base(border_color)
border_color.fit(self.gamut_space, method=self.gamut_map)
except Exception:
border_color = None
if border_color is None:
# Calculate border color for images
border_color = self.base(
self.view.style()['background'],
).convert("hsl")
border_color['lightness'] = border_color['lightness'] + (0.3 if border_color.luminance() < 0.5 else -0.3)
self.default_border = border_color.convert(self.gamut_space, in_place=True)
self.out_of_gamut = self.base("transparent").convert(self.gamut_space, in_place=True)
self.out_of_gamut_border = self.base(
self.view.style().get('redish', "red"),
).convert(self.gamut_space, in_place=True)
def get_color_options(self, pt, rule):
"""Get color class based on selection scope."""
self.color_classes = util.get_settings_colors()
classes = rule.get("color_class", [])
# Check if the first point within the color matches our scope rules
# and load up the appropriate color class
color_class = self.base
filters = []
output = []
edit_mode = "default"
for item in classes:
try:
value = self.view.score_selector(pt, item["scopes"])
if not value:
continue
else:
class_options = self.color_classes.get(item["class"])
if class_options is None:
continue
module = class_options.get("class", "ColorHelper.lib.coloraide.Color")
if isinstance(module, str):
if module == "ColorHelper.lib.coloraide.Color":
# Use the base
color_class = self.base
else:
# Initialize the color module and cache it for this view
color_class = util.import_color(module)
class_options["class"] = color_class
else:
color_class = module
filters = class_options.get("filters", [])
output = class_options.get("output", [])
edit_mode = class_options.get('edit_mode', 'default')
if edit_mode not in ('default', 'st-colormod'):
edit_mode = 'default'
break
except Exception:
color_class = self.base
filters = []
output = []
edit_mode = 'default'
return color_class, filters, output, edit_mode
def setup_color_class(self):
"""Get the color class for the view."""
sels = self.view.sel()
pt = 0
if len(sels) >= 1:
pt = sels[0].begin()
rule = util.get_rules(self.view)
if rule is None:
rule = {}
color_class, filters, output, edit_mode = self.get_color_options(pt, rule)
self.edit_mode = edit_mode
self.custom_color_class = color_class
self.filters = filters
self.output_options = output
self.color_class = self.base
try:
self.color_trigger = rule.get("color_trigger", util.RE_COLOR_START)
except Exception:
self.color_trigger = util.RE_COLOR_START
def get_spacer(self, width=1, height=1):
"""Get a spacer."""
return colorbox.color_box(
[SPACER.convert(self.gamut_space)], border_size=0,
height=self.height * height, width=self.width * width,
check_size=self.check_size(self.height), alpha=True,
gamut_space=self.gamut_space
)
def setup_sizes(self):
"""Get sizes."""
settings = sublime.load_settings('color_helper.sublime-settings')
self.graphic_size = qualify_settings(settings, 'graphic_size', 'medium')
self.graphic_scale = qualify_settings(settings, 'graphic_scale', None)
if not isinstance(self.graphic_scale, (int, float)):
self.graphic_scale = None
# Calculate color box height
self.line_height = util.get_line_height(self.view)
top_pad = self.view.settings().get('line_padding_top', 0)
bottom_pad = self.view.settings().get('line_padding_bottom', 0)
if top_pad is None:
# Sometimes we strangely get None
top_pad = 0
if bottom_pad is None:
bottom_pad = 0
box_height = self.line_height - int(top_pad + bottom_pad)
# Scale size
if self.graphic_scale is not None:
box_height = box_height * self.graphic_scale
self.graphic_size = "medium"
sizes = {"medium": (int(box_height), int(box_height))}
else:
small = max(box_height * 0.75, 8)
medium = max(box_height * 1, 8)
large = max(box_height * 1.25, 8)
sizes = {
"small": (int(small), int(small)),
"medium": (int(medium), int(medium)),
"large": (int(large), int(large))
}
self.height, self.width = sizes.get(
self.graphic_size,
sizes["medium"]
)
def check_size(self, height, scale=4):
"""Get checkered size."""
check_size = int((height - 2) / scale)
if check_size < 2:
check_size = 2
return check_size
def get_preview(self, color):
"""Get preview."""
message = ''
preview_border = self.default_border
if self.gamut_space == 'srgb':
check_space = self.gamut_space if color.space() not in util.SRGB_SPACES else color.space()
else:
check_space = self.gamut_space
if not color.in_gamut(check_space):
message = 'preview out of gamut'
if self.show_out_of_gamut_preview:
pcolor = color.convert(self.gamut_space, fit=self.gamut_map)
preview1 = pcolor.clone().set('alpha', 1)
preview2 = pcolor
else:
preview1 = self.out_of_gamut
preview2 = self.out_of_gamut
preview_border = self.out_of_gamut_border
else:
pcolor = color.convert(self.gamut_space, fit=self.gamut_map)
preview1 = pcolor.clone().set('alpha', 1)
preview2 = pcolor
return Preview(preview1, preview2, preview_border, message)