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1270 lines
43 KiB
Python
1270 lines
43 KiB
Python
from .interpolatableHelpers import *
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from fontTools.ttLib import TTFont
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from fontTools.ttLib.ttGlyphSet import LerpGlyphSet
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from fontTools.pens.recordingPen import (
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RecordingPen,
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DecomposingRecordingPen,
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RecordingPointPen,
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)
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from fontTools.pens.boundsPen import ControlBoundsPen
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from fontTools.pens.cairoPen import CairoPen
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from fontTools.pens.pointPen import (
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SegmentToPointPen,
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PointToSegmentPen,
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ReverseContourPointPen,
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)
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from fontTools.varLib.interpolatableHelpers import (
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PerContourOrComponentPen,
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SimpleRecordingPointPen,
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)
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from itertools import cycle
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from functools import wraps
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from io import BytesIO
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import cairo
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import math
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import os
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import logging
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log = logging.getLogger("fontTools.varLib.interpolatable")
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class OverridingDict(dict):
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def __init__(self, parent_dict):
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self.parent_dict = parent_dict
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def __missing__(self, key):
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return self.parent_dict[key]
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class InterpolatablePlot:
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width = 8.5 * 72
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height = 11 * 72
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pad = 0.1 * 72
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title_font_size = 24
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font_size = 16
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page_number = 1
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head_color = (0.3, 0.3, 0.3)
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label_color = (0.2, 0.2, 0.2)
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border_color = (0.9, 0.9, 0.9)
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border_width = 0.5
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fill_color = (0.8, 0.8, 0.8)
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stroke_color = (0.1, 0.1, 0.1)
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stroke_width = 1
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oncurve_node_color = (0, 0.8, 0, 0.7)
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oncurve_node_diameter = 6
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offcurve_node_color = (0, 0.5, 0, 0.7)
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offcurve_node_diameter = 4
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handle_color = (0, 0.5, 0, 0.7)
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handle_width = 0.5
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corrected_start_point_color = (0, 0.9, 0, 0.7)
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corrected_start_point_size = 7
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wrong_start_point_color = (1, 0, 0, 0.7)
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start_point_color = (0, 0, 1, 0.7)
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start_arrow_length = 9
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kink_point_size = 7
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kink_point_color = (1, 0, 1, 0.7)
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kink_circle_size = 15
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kink_circle_stroke_width = 1
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kink_circle_color = (1, 0, 1, 0.7)
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contour_colors = ((1, 0, 0), (0, 0, 1), (0, 1, 0), (1, 1, 0), (1, 0, 1), (0, 1, 1))
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contour_alpha = 0.5
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weight_issue_contour_color = (0, 0, 0, 0.4)
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no_issues_label = "Your font's good! Have a cupcake..."
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no_issues_label_color = (0, 0.5, 0)
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cupcake_color = (0.3, 0, 0.3)
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cupcake = r"""
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,@.
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,@.@@,.
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,@@,.@@@. @.@@@,.
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,@@. @@@. @@. @@,.
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,@@@.@,.@. @. @@@@,.@.@@,.
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,@@.@. @@.@@. @,. .@' @' @@,
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,@@. @. .@@.@@@. @@' @,
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,@. @@. @,
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@. @,@@,. , .@@,
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@,. .@,@@,. .@@,. , .@@, @, @,
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@. .@. @ @@,. , @
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@,.@@. @,. @@,. @. @,. @'
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@@||@,. @'@,. @@,. @@ @,. @'@@, @'
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\\@@@@' @,. @'@@@@' @@,. @@@' //@@@'
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|||||||| @@,. @@' ||||||| |@@@|@|| ||
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\\\\\\\ ||@@@|| ||||||| ||||||| //
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||||||| |||||| |||||| |||||| ||
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\\\\\\ |||||| |||||| |||||| //
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|||||| ||||| ||||| ||||| ||
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\\\\\ ||||| ||||| ||||| //
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||||| |||| ||||| |||| ||
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\\\\ |||| |||| |||| //
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||||||||||||||||||||||||
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"""
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emoticon_color = (0, 0.3, 0.3)
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shrug = r"""\_(")_/"""
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underweight = r"""
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o
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/|\
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/ \
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"""
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overweight = r"""
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o
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/O\
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/ \
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"""
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yay = r""" \o/ """
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def __init__(self, out, glyphsets, names=None, **kwargs):
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self.out = out
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self.glyphsets = glyphsets
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self.names = names or [repr(g) for g in glyphsets]
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self.toc = {}
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for k, v in kwargs.items():
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if not hasattr(self, k):
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raise TypeError("Unknown keyword argument: %s" % k)
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setattr(self, k, v)
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self.panel_width = self.width / 2 - self.pad * 3
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self.panel_height = (
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self.height / 2 - self.pad * 6 - self.font_size * 2 - self.title_font_size
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)
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def __enter__(self):
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return self
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def __exit__(self, type, value, traceback):
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pass
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def show_page(self):
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self.page_number += 1
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def add_title_page(
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self, files, *, show_tolerance=True, tolerance=None, kinkiness=None
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):
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pad = self.pad
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width = self.width - 3 * self.pad
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height = self.height - 2 * self.pad
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x = y = pad
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self.draw_label(
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"Problem report for:",
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x=x,
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y=y,
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bold=True,
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width=width,
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font_size=self.title_font_size,
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)
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y += self.title_font_size
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import hashlib
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for file in files:
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base_file = os.path.basename(file)
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y += self.font_size + self.pad
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self.draw_label(base_file, x=x, y=y, bold=True, width=width)
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y += self.font_size + self.pad
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try:
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h = hashlib.sha1(open(file, "rb").read()).hexdigest()
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self.draw_label("sha1: %s" % h, x=x + pad, y=y, width=width)
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y += self.font_size
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except IsADirectoryError:
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pass
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if file.endswith(".ttf"):
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ttFont = TTFont(file)
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name = ttFont["name"] if "name" in ttFont else None
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if name:
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for what, nameIDs in (
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("Family name", (21, 16, 1)),
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("Version", (5,)),
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):
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n = name.getFirstDebugName(nameIDs)
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if n is None:
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continue
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self.draw_label(
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"%s: %s" % (what, n), x=x + pad, y=y, width=width
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)
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y += self.font_size + self.pad
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elif file.endswith((".glyphs", ".glyphspackage")):
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from glyphsLib import GSFont
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f = GSFont(file)
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for what, field in (
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("Family name", "familyName"),
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("VersionMajor", "versionMajor"),
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("VersionMinor", "_versionMinor"),
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):
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self.draw_label(
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"%s: %s" % (what, getattr(f, field)),
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x=x + pad,
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y=y,
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width=width,
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)
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y += self.font_size + self.pad
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self.draw_legend(
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show_tolerance=show_tolerance, tolerance=tolerance, kinkiness=kinkiness
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)
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self.show_page()
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def draw_legend(self, *, show_tolerance=True, tolerance=None, kinkiness=None):
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cr = cairo.Context(self.surface)
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x = self.pad
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y = self.height - self.pad - self.font_size * 2
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width = self.width - 2 * self.pad
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xx = x + self.pad * 2
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xxx = x + self.pad * 4
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if show_tolerance:
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self.draw_label(
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"Tolerance: badness; closer to zero the worse", x=xxx, y=y, width=width
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)
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y -= self.pad + self.font_size
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self.draw_label("Underweight contours", x=xxx, y=y, width=width)
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cr.rectangle(xx - self.pad * 0.7, y, 1.5 * self.pad, self.font_size)
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cr.set_source_rgb(*self.fill_color)
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cr.fill_preserve()
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if self.stroke_color:
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cr.set_source_rgb(*self.stroke_color)
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cr.set_line_width(self.stroke_width)
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cr.stroke_preserve()
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cr.set_source_rgba(*self.weight_issue_contour_color)
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cr.fill()
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y -= self.pad + self.font_size
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self.draw_label(
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"Colored contours: contours with the wrong order", x=xxx, y=y, width=width
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)
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cr.rectangle(xx - self.pad * 0.7, y, 1.5 * self.pad, self.font_size)
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if self.fill_color:
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cr.set_source_rgb(*self.fill_color)
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cr.fill_preserve()
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if self.stroke_color:
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cr.set_source_rgb(*self.stroke_color)
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cr.set_line_width(self.stroke_width)
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cr.stroke_preserve()
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cr.set_source_rgba(*self.contour_colors[0], self.contour_alpha)
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cr.fill()
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y -= self.pad + self.font_size
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self.draw_label("Kink artifact", x=xxx, y=y, width=width)
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self.draw_circle(
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cr,
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x=xx,
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y=y + self.font_size * 0.5,
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diameter=self.kink_circle_size,
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stroke_width=self.kink_circle_stroke_width,
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color=self.kink_circle_color,
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)
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y -= self.pad + self.font_size
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self.draw_label("Point causing kink in the contour", x=xxx, y=y, width=width)
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self.draw_dot(
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cr,
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x=xx,
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y=y + self.font_size * 0.5,
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diameter=self.kink_point_size,
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color=self.kink_point_color,
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)
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y -= self.pad + self.font_size
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self.draw_label("Suggested new contour start point", x=xxx, y=y, width=width)
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self.draw_dot(
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cr,
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x=xx,
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y=y + self.font_size * 0.5,
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diameter=self.corrected_start_point_size,
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color=self.corrected_start_point_color,
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)
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y -= self.pad + self.font_size
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self.draw_label(
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"Contour start point in contours with wrong direction",
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x=xxx,
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y=y,
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width=width,
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)
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self.draw_arrow(
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cr,
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x=xx - self.start_arrow_length * 0.3,
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y=y + self.font_size * 0.5,
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color=self.wrong_start_point_color,
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)
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y -= self.pad + self.font_size
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self.draw_label(
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"Contour start point when the first two points overlap",
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x=xxx,
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y=y,
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width=width,
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)
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self.draw_dot(
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cr,
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x=xx,
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y=y + self.font_size * 0.5,
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diameter=self.corrected_start_point_size,
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color=self.start_point_color,
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)
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y -= self.pad + self.font_size
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self.draw_label("Contour start point and direction", x=xxx, y=y, width=width)
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self.draw_arrow(
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cr,
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x=xx - self.start_arrow_length * 0.3,
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y=y + self.font_size * 0.5,
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color=self.start_point_color,
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)
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y -= self.pad + self.font_size
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self.draw_label("Legend:", x=x, y=y, width=width, bold=True)
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y -= self.pad + self.font_size
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if kinkiness is not None:
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self.draw_label(
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"Kink-reporting aggressiveness: %g" % kinkiness,
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x=xxx,
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y=y,
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width=width,
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)
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y -= self.pad + self.font_size
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if tolerance is not None:
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self.draw_label(
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"Error tolerance: %g" % tolerance,
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x=xxx,
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y=y,
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width=width,
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)
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y -= self.pad + self.font_size
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self.draw_label("Parameters:", x=x, y=y, width=width, bold=True)
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y -= self.pad + self.font_size
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def add_summary(self, problems):
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pad = self.pad
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width = self.width - 3 * self.pad
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height = self.height - 2 * self.pad
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x = y = pad
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self.draw_label(
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"Summary of problems",
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x=x,
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y=y,
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bold=True,
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width=width,
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font_size=self.title_font_size,
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)
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y += self.title_font_size
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glyphs_per_problem = defaultdict(set)
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for glyphname, problems in sorted(problems.items()):
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for problem in problems:
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glyphs_per_problem[problem["type"]].add(glyphname)
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if "nothing" in glyphs_per_problem:
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del glyphs_per_problem["nothing"]
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for problem_type in sorted(
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glyphs_per_problem, key=lambda x: InterpolatableProblem.severity[x]
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):
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y += self.font_size
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self.draw_label(
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"%s: %d" % (problem_type, len(glyphs_per_problem[problem_type])),
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x=x,
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y=y,
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width=width,
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bold=True,
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)
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y += self.font_size
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for glyphname in sorted(glyphs_per_problem[problem_type]):
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if y + self.font_size > height:
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self.show_page()
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y = self.font_size + pad
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self.draw_label(glyphname, x=x + 2 * pad, y=y, width=width - 2 * pad)
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y += self.font_size
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self.show_page()
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def _add_listing(self, title, items):
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pad = self.pad
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width = self.width - 2 * self.pad
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height = self.height - 2 * self.pad
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x = y = pad
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self.draw_label(
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title, x=x, y=y, bold=True, width=width, font_size=self.title_font_size
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)
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y += self.title_font_size + self.pad
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last_glyphname = None
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for page_no, (glyphname, problems) in items:
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if glyphname == last_glyphname:
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continue
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last_glyphname = glyphname
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if y + self.font_size > height:
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self.show_page()
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y = self.font_size + pad
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self.draw_label(glyphname, x=x + 5 * pad, y=y, width=width - 2 * pad)
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self.draw_label(str(page_no), x=x, y=y, width=4 * pad, align=1)
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y += self.font_size
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self.show_page()
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def add_table_of_contents(self):
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self._add_listing("Table of contents", sorted(self.toc.items()))
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def add_index(self):
|
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self._add_listing("Index", sorted(self.toc.items(), key=lambda x: x[1][0]))
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|
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def add_problems(self, problems, *, show_tolerance=True, show_page_number=True):
|
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for glyph, glyph_problems in problems.items():
|
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last_masters = None
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current_glyph_problems = []
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for p in glyph_problems:
|
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masters = (
|
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p["master_idx"]
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if "master_idx" in p
|
|
else (p["master_1_idx"], p["master_2_idx"])
|
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)
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if masters == last_masters:
|
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current_glyph_problems.append(p)
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continue
|
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# Flush
|
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if current_glyph_problems:
|
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self.add_problem(
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glyph,
|
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current_glyph_problems,
|
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show_tolerance=show_tolerance,
|
|
show_page_number=show_page_number,
|
|
)
|
|
self.show_page()
|
|
current_glyph_problems = []
|
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last_masters = masters
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current_glyph_problems.append(p)
|
|
if current_glyph_problems:
|
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self.add_problem(
|
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glyph,
|
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current_glyph_problems,
|
|
show_tolerance=show_tolerance,
|
|
show_page_number=show_page_number,
|
|
)
|
|
self.show_page()
|
|
|
|
def add_problem(
|
|
self, glyphname, problems, *, show_tolerance=True, show_page_number=True
|
|
):
|
|
if type(problems) not in (list, tuple):
|
|
problems = [problems]
|
|
|
|
self.toc[self.page_number] = (glyphname, problems)
|
|
|
|
problem_type = problems[0]["type"]
|
|
problem_types = set(problem["type"] for problem in problems)
|
|
if not all(pt == problem_type for pt in problem_types):
|
|
problem_type = ", ".join(sorted({problem["type"] for problem in problems}))
|
|
|
|
log.info("Drawing %s: %s", glyphname, problem_type)
|
|
|
|
master_keys = (
|
|
("master_idx",)
|
|
if "master_idx" in problems[0]
|
|
else ("master_1_idx", "master_2_idx")
|
|
)
|
|
master_indices = [problems[0][k] for k in master_keys]
|
|
|
|
if problem_type == InterpolatableProblem.MISSING:
|
|
sample_glyph = next(
|
|
i for i, m in enumerate(self.glyphsets) if m[glyphname] is not None
|
|
)
|
|
master_indices.insert(0, sample_glyph)
|
|
|
|
x = self.pad
|
|
y = self.pad
|
|
|
|
self.draw_label(
|
|
"Glyph name: " + glyphname,
|
|
x=x,
|
|
y=y,
|
|
color=self.head_color,
|
|
align=0,
|
|
bold=True,
|
|
font_size=self.title_font_size,
|
|
)
|
|
tolerance = min(p.get("tolerance", 1) for p in problems)
|
|
if tolerance < 1 and show_tolerance:
|
|
self.draw_label(
|
|
"tolerance: %.2f" % tolerance,
|
|
x=x,
|
|
y=y,
|
|
width=self.width - 2 * self.pad,
|
|
align=1,
|
|
bold=True,
|
|
)
|
|
y += self.title_font_size + self.pad
|
|
self.draw_label(
|
|
"Problems: " + problem_type,
|
|
x=x,
|
|
y=y,
|
|
width=self.width - 2 * self.pad,
|
|
color=self.head_color,
|
|
bold=True,
|
|
)
|
|
y += self.font_size + self.pad * 2
|
|
|
|
scales = []
|
|
for which, master_idx in enumerate(master_indices):
|
|
glyphset = self.glyphsets[master_idx]
|
|
name = self.names[master_idx]
|
|
|
|
self.draw_label(
|
|
name,
|
|
x=x,
|
|
y=y,
|
|
color=self.label_color,
|
|
width=self.panel_width,
|
|
align=0.5,
|
|
)
|
|
y += self.font_size + self.pad
|
|
|
|
if glyphset[glyphname] is not None:
|
|
scales.append(
|
|
self.draw_glyph(glyphset, glyphname, problems, which, x=x, y=y)
|
|
)
|
|
else:
|
|
self.draw_emoticon(self.shrug, x=x, y=y)
|
|
y += self.panel_height + self.font_size + self.pad
|
|
|
|
if any(
|
|
pt
|
|
in (
|
|
InterpolatableProblem.NOTHING,
|
|
InterpolatableProblem.WRONG_START_POINT,
|
|
InterpolatableProblem.CONTOUR_ORDER,
|
|
InterpolatableProblem.KINK,
|
|
InterpolatableProblem.UNDERWEIGHT,
|
|
InterpolatableProblem.OVERWEIGHT,
|
|
)
|
|
for pt in problem_types
|
|
):
|
|
x = self.pad + self.panel_width + self.pad
|
|
y = self.pad
|
|
y += self.title_font_size + self.pad * 2
|
|
y += self.font_size + self.pad
|
|
|
|
glyphset1 = self.glyphsets[master_indices[0]]
|
|
glyphset2 = self.glyphsets[master_indices[1]]
|
|
|
|
# Draw the mid-way of the two masters
|
|
|
|
self.draw_label(
|
|
"midway interpolation",
|
|
x=x,
|
|
y=y,
|
|
color=self.head_color,
|
|
width=self.panel_width,
|
|
align=0.5,
|
|
)
|
|
y += self.font_size + self.pad
|
|
|
|
midway_glyphset = LerpGlyphSet(glyphset1, glyphset2)
|
|
self.draw_glyph(
|
|
midway_glyphset,
|
|
glyphname,
|
|
[{"type": "midway"}]
|
|
+ [
|
|
p
|
|
for p in problems
|
|
if p["type"]
|
|
in (
|
|
InterpolatableProblem.KINK,
|
|
InterpolatableProblem.UNDERWEIGHT,
|
|
InterpolatableProblem.OVERWEIGHT,
|
|
)
|
|
],
|
|
None,
|
|
x=x,
|
|
y=y,
|
|
scale=min(scales),
|
|
)
|
|
|
|
y += self.panel_height + self.font_size + self.pad
|
|
|
|
if any(
|
|
pt
|
|
in (
|
|
InterpolatableProblem.WRONG_START_POINT,
|
|
InterpolatableProblem.CONTOUR_ORDER,
|
|
InterpolatableProblem.KINK,
|
|
)
|
|
for pt in problem_types
|
|
):
|
|
# Draw the proposed fix
|
|
|
|
self.draw_label(
|
|
"proposed fix",
|
|
x=x,
|
|
y=y,
|
|
color=self.head_color,
|
|
width=self.panel_width,
|
|
align=0.5,
|
|
)
|
|
y += self.font_size + self.pad
|
|
|
|
overriding1 = OverridingDict(glyphset1)
|
|
overriding2 = OverridingDict(glyphset2)
|
|
perContourPen1 = PerContourOrComponentPen(
|
|
RecordingPen, glyphset=overriding1
|
|
)
|
|
perContourPen2 = PerContourOrComponentPen(
|
|
RecordingPen, glyphset=overriding2
|
|
)
|
|
glyphset1[glyphname].draw(perContourPen1)
|
|
glyphset2[glyphname].draw(perContourPen2)
|
|
|
|
for problem in problems:
|
|
if problem["type"] == InterpolatableProblem.CONTOUR_ORDER:
|
|
fixed_contours = [
|
|
perContourPen2.value[i] for i in problems[0]["value_2"]
|
|
]
|
|
perContourPen2.value = fixed_contours
|
|
|
|
for problem in problems:
|
|
if problem["type"] == InterpolatableProblem.WRONG_START_POINT:
|
|
# Save the wrong contours
|
|
wrongContour1 = perContourPen1.value[problem["contour"]]
|
|
wrongContour2 = perContourPen2.value[problem["contour"]]
|
|
|
|
# Convert the wrong contours to point pens
|
|
points1 = RecordingPointPen()
|
|
converter = SegmentToPointPen(points1, False)
|
|
wrongContour1.replay(converter)
|
|
points2 = RecordingPointPen()
|
|
converter = SegmentToPointPen(points2, False)
|
|
wrongContour2.replay(converter)
|
|
|
|
proposed_start = problem["value_2"]
|
|
|
|
# See if we need reversing; fragile but worth a try
|
|
if problem["reversed"]:
|
|
new_points2 = RecordingPointPen()
|
|
reversedPen = ReverseContourPointPen(new_points2)
|
|
points2.replay(reversedPen)
|
|
points2 = new_points2
|
|
proposed_start = len(points2.value) - 2 - proposed_start
|
|
|
|
# Rotate points2 so that the first point is the same as in points1
|
|
beginPath = points2.value[:1]
|
|
endPath = points2.value[-1:]
|
|
pts = points2.value[1:-1]
|
|
pts = pts[proposed_start:] + pts[:proposed_start]
|
|
points2.value = beginPath + pts + endPath
|
|
|
|
# Convert the point pens back to segment pens
|
|
segment1 = RecordingPen()
|
|
converter = PointToSegmentPen(segment1, True)
|
|
points1.replay(converter)
|
|
segment2 = RecordingPen()
|
|
converter = PointToSegmentPen(segment2, True)
|
|
points2.replay(converter)
|
|
|
|
# Replace the wrong contours
|
|
wrongContour1.value = segment1.value
|
|
wrongContour2.value = segment2.value
|
|
perContourPen1.value[problem["contour"]] = wrongContour1
|
|
perContourPen2.value[problem["contour"]] = wrongContour2
|
|
|
|
for problem in problems:
|
|
# If we have a kink, try to fix it.
|
|
if problem["type"] == InterpolatableProblem.KINK:
|
|
# Save the wrong contours
|
|
wrongContour1 = perContourPen1.value[problem["contour"]]
|
|
wrongContour2 = perContourPen2.value[problem["contour"]]
|
|
|
|
# Convert the wrong contours to point pens
|
|
points1 = RecordingPointPen()
|
|
converter = SegmentToPointPen(points1, False)
|
|
wrongContour1.replay(converter)
|
|
points2 = RecordingPointPen()
|
|
converter = SegmentToPointPen(points2, False)
|
|
wrongContour2.replay(converter)
|
|
|
|
i = problem["value"]
|
|
|
|
# Position points to be around the same ratio
|
|
# beginPath / endPath dance
|
|
j = i + 1
|
|
pt0 = points1.value[j][1][0]
|
|
pt1 = points2.value[j][1][0]
|
|
j_prev = (i - 1) % (len(points1.value) - 2) + 1
|
|
pt0_prev = points1.value[j_prev][1][0]
|
|
pt1_prev = points2.value[j_prev][1][0]
|
|
j_next = (i + 1) % (len(points1.value) - 2) + 1
|
|
pt0_next = points1.value[j_next][1][0]
|
|
pt1_next = points2.value[j_next][1][0]
|
|
|
|
pt0 = complex(*pt0)
|
|
pt1 = complex(*pt1)
|
|
pt0_prev = complex(*pt0_prev)
|
|
pt1_prev = complex(*pt1_prev)
|
|
pt0_next = complex(*pt0_next)
|
|
pt1_next = complex(*pt1_next)
|
|
|
|
# Find the ratio of the distance between the points
|
|
r0 = abs(pt0 - pt0_prev) / abs(pt0_next - pt0_prev)
|
|
r1 = abs(pt1 - pt1_prev) / abs(pt1_next - pt1_prev)
|
|
r_mid = (r0 + r1) / 2
|
|
|
|
pt0 = pt0_prev + r_mid * (pt0_next - pt0_prev)
|
|
pt1 = pt1_prev + r_mid * (pt1_next - pt1_prev)
|
|
|
|
points1.value[j] = (
|
|
points1.value[j][0],
|
|
(((pt0.real, pt0.imag),) + points1.value[j][1][1:]),
|
|
points1.value[j][2],
|
|
)
|
|
points2.value[j] = (
|
|
points2.value[j][0],
|
|
(((pt1.real, pt1.imag),) + points2.value[j][1][1:]),
|
|
points2.value[j][2],
|
|
)
|
|
|
|
# Convert the point pens back to segment pens
|
|
segment1 = RecordingPen()
|
|
converter = PointToSegmentPen(segment1, True)
|
|
points1.replay(converter)
|
|
segment2 = RecordingPen()
|
|
converter = PointToSegmentPen(segment2, True)
|
|
points2.replay(converter)
|
|
|
|
# Replace the wrong contours
|
|
wrongContour1.value = segment1.value
|
|
wrongContour2.value = segment2.value
|
|
|
|
# Assemble
|
|
fixed1 = RecordingPen()
|
|
fixed2 = RecordingPen()
|
|
for contour in perContourPen1.value:
|
|
fixed1.value.extend(contour.value)
|
|
for contour in perContourPen2.value:
|
|
fixed2.value.extend(contour.value)
|
|
fixed1.draw = fixed1.replay
|
|
fixed2.draw = fixed2.replay
|
|
|
|
overriding1[glyphname] = fixed1
|
|
overriding2[glyphname] = fixed2
|
|
|
|
try:
|
|
midway_glyphset = LerpGlyphSet(overriding1, overriding2)
|
|
self.draw_glyph(
|
|
midway_glyphset,
|
|
glyphname,
|
|
{"type": "fixed"},
|
|
None,
|
|
x=x,
|
|
y=y,
|
|
scale=min(scales),
|
|
)
|
|
except ValueError:
|
|
self.draw_emoticon(self.shrug, x=x, y=y)
|
|
y += self.panel_height + self.pad
|
|
|
|
else:
|
|
emoticon = self.shrug
|
|
if InterpolatableProblem.UNDERWEIGHT in problem_types:
|
|
emoticon = self.underweight
|
|
elif InterpolatableProblem.OVERWEIGHT in problem_types:
|
|
emoticon = self.overweight
|
|
elif InterpolatableProblem.NOTHING in problem_types:
|
|
emoticon = self.yay
|
|
self.draw_emoticon(emoticon, x=x, y=y)
|
|
|
|
if show_page_number:
|
|
self.draw_label(
|
|
str(self.page_number),
|
|
x=0,
|
|
y=self.height - self.font_size - self.pad,
|
|
width=self.width,
|
|
color=self.head_color,
|
|
align=0.5,
|
|
)
|
|
|
|
def draw_label(
|
|
self,
|
|
label,
|
|
*,
|
|
x=0,
|
|
y=0,
|
|
color=(0, 0, 0),
|
|
align=0,
|
|
bold=False,
|
|
width=None,
|
|
height=None,
|
|
font_size=None,
|
|
):
|
|
if width is None:
|
|
width = self.width
|
|
if height is None:
|
|
height = self.height
|
|
if font_size is None:
|
|
font_size = self.font_size
|
|
cr = cairo.Context(self.surface)
|
|
cr.select_font_face(
|
|
"@cairo:",
|
|
cairo.FONT_SLANT_NORMAL,
|
|
cairo.FONT_WEIGHT_BOLD if bold else cairo.FONT_WEIGHT_NORMAL,
|
|
)
|
|
cr.set_font_size(font_size)
|
|
font_extents = cr.font_extents()
|
|
font_size = font_size * font_size / font_extents[2]
|
|
cr.set_font_size(font_size)
|
|
font_extents = cr.font_extents()
|
|
|
|
cr.set_source_rgb(*color)
|
|
|
|
extents = cr.text_extents(label)
|
|
if extents.width > width:
|
|
# Shrink
|
|
font_size *= width / extents.width
|
|
cr.set_font_size(font_size)
|
|
font_extents = cr.font_extents()
|
|
extents = cr.text_extents(label)
|
|
|
|
# Center
|
|
label_x = x + (width - extents.width) * align
|
|
label_y = y + font_extents[0]
|
|
cr.move_to(label_x, label_y)
|
|
cr.show_text(label)
|
|
|
|
def draw_glyph(self, glyphset, glyphname, problems, which, *, x=0, y=0, scale=None):
|
|
if type(problems) not in (list, tuple):
|
|
problems = [problems]
|
|
|
|
midway = any(problem["type"] == "midway" for problem in problems)
|
|
problem_type = problems[0]["type"]
|
|
problem_types = set(problem["type"] for problem in problems)
|
|
if not all(pt == problem_type for pt in problem_types):
|
|
problem_type = "mixed"
|
|
glyph = glyphset[glyphname]
|
|
|
|
recording = RecordingPen()
|
|
glyph.draw(recording)
|
|
decomposedRecording = DecomposingRecordingPen(glyphset)
|
|
glyph.draw(decomposedRecording)
|
|
|
|
boundsPen = ControlBoundsPen(glyphset)
|
|
decomposedRecording.replay(boundsPen)
|
|
bounds = boundsPen.bounds
|
|
if bounds is None:
|
|
bounds = (0, 0, 0, 0)
|
|
|
|
glyph_width = bounds[2] - bounds[0]
|
|
glyph_height = bounds[3] - bounds[1]
|
|
|
|
if glyph_width:
|
|
if scale is None:
|
|
scale = self.panel_width / glyph_width
|
|
else:
|
|
scale = min(scale, self.panel_height / glyph_height)
|
|
if glyph_height:
|
|
if scale is None:
|
|
scale = self.panel_height / glyph_height
|
|
else:
|
|
scale = min(scale, self.panel_height / glyph_height)
|
|
if scale is None:
|
|
scale = 1
|
|
|
|
cr = cairo.Context(self.surface)
|
|
cr.translate(x, y)
|
|
# Center
|
|
cr.translate(
|
|
(self.panel_width - glyph_width * scale) / 2,
|
|
(self.panel_height - glyph_height * scale) / 2,
|
|
)
|
|
cr.scale(scale, -scale)
|
|
cr.translate(-bounds[0], -bounds[3])
|
|
|
|
if self.border_color:
|
|
cr.set_source_rgb(*self.border_color)
|
|
cr.rectangle(bounds[0], bounds[1], glyph_width, glyph_height)
|
|
cr.set_line_width(self.border_width / scale)
|
|
cr.stroke()
|
|
|
|
if self.fill_color or self.stroke_color:
|
|
pen = CairoPen(glyphset, cr)
|
|
decomposedRecording.replay(pen)
|
|
|
|
if self.fill_color and problem_type != InterpolatableProblem.OPEN_PATH:
|
|
cr.set_source_rgb(*self.fill_color)
|
|
cr.fill_preserve()
|
|
|
|
if self.stroke_color:
|
|
cr.set_source_rgb(*self.stroke_color)
|
|
cr.set_line_width(self.stroke_width / scale)
|
|
cr.stroke_preserve()
|
|
|
|
cr.new_path()
|
|
|
|
if (
|
|
InterpolatableProblem.UNDERWEIGHT in problem_types
|
|
or InterpolatableProblem.OVERWEIGHT in problem_types
|
|
):
|
|
perContourPen = PerContourOrComponentPen(RecordingPen, glyphset=glyphset)
|
|
recording.replay(perContourPen)
|
|
for problem in problems:
|
|
if problem["type"] in (
|
|
InterpolatableProblem.UNDERWEIGHT,
|
|
InterpolatableProblem.OVERWEIGHT,
|
|
):
|
|
contour = perContourPen.value[problem["contour"]]
|
|
contour.replay(CairoPen(glyphset, cr))
|
|
cr.set_source_rgba(*self.weight_issue_contour_color)
|
|
cr.fill()
|
|
|
|
if any(
|
|
t in problem_types
|
|
for t in {
|
|
InterpolatableProblem.NOTHING,
|
|
InterpolatableProblem.NODE_COUNT,
|
|
InterpolatableProblem.NODE_INCOMPATIBILITY,
|
|
}
|
|
):
|
|
cr.set_line_cap(cairo.LINE_CAP_ROUND)
|
|
|
|
# Oncurve nodes
|
|
for segment, args in decomposedRecording.value:
|
|
if not args:
|
|
continue
|
|
x, y = args[-1]
|
|
cr.move_to(x, y)
|
|
cr.line_to(x, y)
|
|
cr.set_source_rgba(*self.oncurve_node_color)
|
|
cr.set_line_width(self.oncurve_node_diameter / scale)
|
|
cr.stroke()
|
|
|
|
# Offcurve nodes
|
|
for segment, args in decomposedRecording.value:
|
|
if not args:
|
|
continue
|
|
for x, y in args[:-1]:
|
|
cr.move_to(x, y)
|
|
cr.line_to(x, y)
|
|
cr.set_source_rgba(*self.offcurve_node_color)
|
|
cr.set_line_width(self.offcurve_node_diameter / scale)
|
|
cr.stroke()
|
|
|
|
# Handles
|
|
for segment, args in decomposedRecording.value:
|
|
if not args:
|
|
pass
|
|
elif segment in ("moveTo", "lineTo"):
|
|
cr.move_to(*args[0])
|
|
elif segment == "qCurveTo":
|
|
for x, y in args:
|
|
cr.line_to(x, y)
|
|
cr.new_sub_path()
|
|
cr.move_to(*args[-1])
|
|
elif segment == "curveTo":
|
|
cr.line_to(*args[0])
|
|
cr.new_sub_path()
|
|
cr.move_to(*args[1])
|
|
cr.line_to(*args[2])
|
|
cr.new_sub_path()
|
|
cr.move_to(*args[-1])
|
|
else:
|
|
continue
|
|
|
|
cr.set_source_rgba(*self.handle_color)
|
|
cr.set_line_width(self.handle_width / scale)
|
|
cr.stroke()
|
|
|
|
matching = None
|
|
for problem in problems:
|
|
if problem["type"] == InterpolatableProblem.CONTOUR_ORDER:
|
|
matching = problem["value_2"]
|
|
colors = cycle(self.contour_colors)
|
|
perContourPen = PerContourOrComponentPen(
|
|
RecordingPen, glyphset=glyphset
|
|
)
|
|
recording.replay(perContourPen)
|
|
for i, contour in enumerate(perContourPen.value):
|
|
if matching[i] == i:
|
|
continue
|
|
color = next(colors)
|
|
contour.replay(CairoPen(glyphset, cr))
|
|
cr.set_source_rgba(*color, self.contour_alpha)
|
|
cr.fill()
|
|
|
|
for problem in problems:
|
|
if problem["type"] in (
|
|
InterpolatableProblem.NOTHING,
|
|
InterpolatableProblem.WRONG_START_POINT,
|
|
):
|
|
idx = problem.get("contour")
|
|
|
|
# Draw suggested point
|
|
if idx is not None and which == 1 and "value_2" in problem:
|
|
perContourPen = PerContourOrComponentPen(
|
|
RecordingPen, glyphset=glyphset
|
|
)
|
|
decomposedRecording.replay(perContourPen)
|
|
points = SimpleRecordingPointPen()
|
|
converter = SegmentToPointPen(points, False)
|
|
perContourPen.value[
|
|
idx if matching is None else matching[idx]
|
|
].replay(converter)
|
|
targetPoint = points.value[problem["value_2"]][0]
|
|
cr.save()
|
|
cr.translate(*targetPoint)
|
|
cr.scale(1 / scale, 1 / scale)
|
|
self.draw_dot(
|
|
cr,
|
|
diameter=self.corrected_start_point_size,
|
|
color=self.corrected_start_point_color,
|
|
)
|
|
cr.restore()
|
|
|
|
# Draw start-point arrow
|
|
if which == 0 or not problem.get("reversed"):
|
|
color = self.start_point_color
|
|
else:
|
|
color = self.wrong_start_point_color
|
|
first_pt = None
|
|
i = 0
|
|
cr.save()
|
|
for segment, args in decomposedRecording.value:
|
|
if segment == "moveTo":
|
|
first_pt = args[0]
|
|
continue
|
|
if first_pt is None:
|
|
continue
|
|
if segment == "closePath":
|
|
second_pt = first_pt
|
|
else:
|
|
second_pt = args[0]
|
|
|
|
if idx is None or i == idx:
|
|
cr.save()
|
|
first_pt = complex(*first_pt)
|
|
second_pt = complex(*second_pt)
|
|
length = abs(second_pt - first_pt)
|
|
cr.translate(first_pt.real, first_pt.imag)
|
|
if length:
|
|
# Draw arrowhead
|
|
cr.rotate(
|
|
math.atan2(
|
|
second_pt.imag - first_pt.imag,
|
|
second_pt.real - first_pt.real,
|
|
)
|
|
)
|
|
cr.scale(1 / scale, 1 / scale)
|
|
self.draw_arrow(cr, color=color)
|
|
else:
|
|
# Draw circle
|
|
cr.scale(1 / scale, 1 / scale)
|
|
self.draw_dot(
|
|
cr,
|
|
diameter=self.corrected_start_point_size,
|
|
color=color,
|
|
)
|
|
cr.restore()
|
|
|
|
if idx is not None:
|
|
break
|
|
|
|
first_pt = None
|
|
i += 1
|
|
|
|
cr.restore()
|
|
|
|
if problem["type"] == InterpolatableProblem.KINK:
|
|
idx = problem.get("contour")
|
|
perContourPen = PerContourOrComponentPen(
|
|
RecordingPen, glyphset=glyphset
|
|
)
|
|
decomposedRecording.replay(perContourPen)
|
|
points = SimpleRecordingPointPen()
|
|
converter = SegmentToPointPen(points, False)
|
|
perContourPen.value[idx if matching is None else matching[idx]].replay(
|
|
converter
|
|
)
|
|
|
|
targetPoint = points.value[problem["value"]][0]
|
|
cr.save()
|
|
cr.translate(*targetPoint)
|
|
cr.scale(1 / scale, 1 / scale)
|
|
if midway:
|
|
self.draw_circle(
|
|
cr,
|
|
diameter=self.kink_circle_size,
|
|
stroke_width=self.kink_circle_stroke_width,
|
|
color=self.kink_circle_color,
|
|
)
|
|
else:
|
|
self.draw_dot(
|
|
cr,
|
|
diameter=self.kink_point_size,
|
|
color=self.kink_point_color,
|
|
)
|
|
cr.restore()
|
|
|
|
return scale
|
|
|
|
def draw_dot(self, cr, *, x=0, y=0, color=(0, 0, 0), diameter=10):
|
|
cr.save()
|
|
cr.set_line_width(diameter)
|
|
cr.set_line_cap(cairo.LINE_CAP_ROUND)
|
|
cr.move_to(x, y)
|
|
cr.line_to(x, y)
|
|
if len(color) == 3:
|
|
color = color + (1,)
|
|
cr.set_source_rgba(*color)
|
|
cr.stroke()
|
|
cr.restore()
|
|
|
|
def draw_circle(
|
|
self, cr, *, x=0, y=0, color=(0, 0, 0), diameter=10, stroke_width=1
|
|
):
|
|
cr.save()
|
|
cr.set_line_width(stroke_width)
|
|
cr.set_line_cap(cairo.LINE_CAP_SQUARE)
|
|
cr.arc(x, y, diameter / 2, 0, 2 * math.pi)
|
|
if len(color) == 3:
|
|
color = color + (1,)
|
|
cr.set_source_rgba(*color)
|
|
cr.stroke()
|
|
cr.restore()
|
|
|
|
def draw_arrow(self, cr, *, x=0, y=0, color=(0, 0, 0)):
|
|
cr.save()
|
|
if len(color) == 3:
|
|
color = color + (1,)
|
|
cr.set_source_rgba(*color)
|
|
cr.translate(self.start_arrow_length + x, y)
|
|
cr.move_to(0, 0)
|
|
cr.line_to(
|
|
-self.start_arrow_length,
|
|
-self.start_arrow_length * 0.4,
|
|
)
|
|
cr.line_to(
|
|
-self.start_arrow_length,
|
|
self.start_arrow_length * 0.4,
|
|
)
|
|
cr.close_path()
|
|
cr.fill()
|
|
cr.restore()
|
|
|
|
def draw_text(self, text, *, x=0, y=0, color=(0, 0, 0), width=None, height=None):
|
|
if width is None:
|
|
width = self.width
|
|
if height is None:
|
|
height = self.height
|
|
|
|
text = text.splitlines()
|
|
cr = cairo.Context(self.surface)
|
|
cr.set_source_rgb(*color)
|
|
cr.set_font_size(self.font_size)
|
|
cr.select_font_face(
|
|
"@cairo:monospace", cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_NORMAL
|
|
)
|
|
text_width = 0
|
|
text_height = 0
|
|
font_extents = cr.font_extents()
|
|
font_font_size = font_extents[2]
|
|
font_ascent = font_extents[0]
|
|
for line in text:
|
|
extents = cr.text_extents(line)
|
|
text_width = max(text_width, extents.x_advance)
|
|
text_height += font_font_size
|
|
if not text_width:
|
|
return
|
|
cr.translate(x, y)
|
|
scale = min(width / text_width, height / text_height)
|
|
# center
|
|
cr.translate(
|
|
(width - text_width * scale) / 2, (height - text_height * scale) / 2
|
|
)
|
|
cr.scale(scale, scale)
|
|
|
|
cr.translate(0, font_ascent)
|
|
for line in text:
|
|
cr.move_to(0, 0)
|
|
cr.show_text(line)
|
|
cr.translate(0, font_font_size)
|
|
|
|
def draw_cupcake(self):
|
|
self.draw_label(
|
|
self.no_issues_label,
|
|
x=self.pad,
|
|
y=self.pad,
|
|
color=self.no_issues_label_color,
|
|
width=self.width - 2 * self.pad,
|
|
align=0.5,
|
|
bold=True,
|
|
font_size=self.title_font_size,
|
|
)
|
|
|
|
self.draw_text(
|
|
self.cupcake,
|
|
x=self.pad,
|
|
y=self.pad + self.font_size,
|
|
width=self.width - 2 * self.pad,
|
|
height=self.height - 2 * self.pad - self.font_size,
|
|
color=self.cupcake_color,
|
|
)
|
|
|
|
def draw_emoticon(self, emoticon, x=0, y=0):
|
|
self.draw_text(
|
|
emoticon,
|
|
x=x,
|
|
y=y,
|
|
color=self.emoticon_color,
|
|
width=self.panel_width,
|
|
height=self.panel_height,
|
|
)
|
|
|
|
|
|
class InterpolatablePostscriptLike(InterpolatablePlot):
|
|
def __exit__(self, type, value, traceback):
|
|
self.surface.finish()
|
|
|
|
def show_page(self):
|
|
super().show_page()
|
|
self.surface.show_page()
|
|
|
|
|
|
class InterpolatablePS(InterpolatablePostscriptLike):
|
|
def __enter__(self):
|
|
self.surface = cairo.PSSurface(self.out, self.width, self.height)
|
|
return self
|
|
|
|
|
|
class InterpolatablePDF(InterpolatablePostscriptLike):
|
|
def __enter__(self):
|
|
self.surface = cairo.PDFSurface(self.out, self.width, self.height)
|
|
self.surface.set_metadata(
|
|
cairo.PDF_METADATA_CREATOR, "fonttools varLib.interpolatable"
|
|
)
|
|
self.surface.set_metadata(cairo.PDF_METADATA_CREATE_DATE, "")
|
|
return self
|
|
|
|
|
|
class InterpolatableSVG(InterpolatablePlot):
|
|
def __enter__(self):
|
|
self.sink = BytesIO()
|
|
self.surface = cairo.SVGSurface(self.sink, self.width, self.height)
|
|
return self
|
|
|
|
def __exit__(self, type, value, traceback):
|
|
if self.surface is not None:
|
|
self.show_page()
|
|
|
|
def show_page(self):
|
|
super().show_page()
|
|
self.surface.finish()
|
|
self.out.append(self.sink.getvalue())
|
|
self.sink = BytesIO()
|
|
self.surface = cairo.SVGSurface(self.sink, self.width, self.height)
|