diff options
Diffstat (limited to 'lib/lettering/font.py')
| -rw-r--r-- | lib/lettering/font.py | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/lib/lettering/font.py b/lib/lettering/font.py index 1d9f8b40..2fc66c40 100644 --- a/lib/lettering/font.py +++ b/lib/lettering/font.py @@ -5,10 +5,10 @@ import json import os +import unicodedata from collections import defaultdict from copy import deepcopy from random import randint -import unicodedata import inkex @@ -19,6 +19,7 @@ from ..extensions.lettering_custom_font_dir import get_custom_font_dir from ..i18n import _, get_languages from ..marker import ensure_marker_symbols, has_marker, is_grouped_with_marker from ..stitches.auto_satin import auto_satin +from ..svg import PIXELS_PER_MM from ..svg.clip import get_clips from ..svg.tags import (CONNECTION_END, CONNECTION_START, EMBROIDERABLE_TAGS, INKSCAPE_LABEL, INKSTITCH_ATTRIBS, SVG_GROUP_TAG, @@ -213,7 +214,8 @@ class Font(object): return custom_dir in self.path def render_text(self, text, destination_group, variant=None, back_and_forth=True, # noqa: C901 - trim_option=0, use_trim_symbols=False, color_sort=0, text_align=0): + trim_option=0, use_trim_symbols=False, color_sort=0, text_align=0, + letter_spacing=0, word_spacing=0, line_height=0): """Render text into an SVG group element.""" self._load_variants() @@ -238,7 +240,7 @@ class Font(object): if self.text_direction == "rtl": line = line[::-1] - letter_group = self._render_line(destination_group, line, position, glyph_set, i) + letter_group = self._render_line(destination_group, line, position, glyph_set, i, letter_spacing, word_spacing) if ((variant == '→' and back_and_forth and self.reversible and i % 2 == 1) or (variant == '←' and not (back_and_forth and self.reversible and i % 2 == 1))): letter_group[:] = reversed(letter_group) @@ -246,7 +248,7 @@ class Font(object): group[:] = reversed(group) position.x = 0 - position.y += self.leading + position.y += self.leading + line_height * PIXELS_PER_MM # We need to insert the destination_group now, even though it is possibly empty # otherwise we could run into a FragmentError in case a glyph contains commands @@ -264,13 +266,16 @@ class Font(object): line_width = bounding_box.width max_line_width = max(max_line_width, line_width) + # text_align 0: left (default) if text_align == 1: - # align center + # 1: align center letter_group.transform = f'translate({-line_width/2}, 0)' if text_align == 2: + # 2: align right letter_group.transform = f'translate({-line_width}, 0)' if text_align in [3, 4]: + # 3: Block (default) 4: Block (letterspacing) for line_group in destination_group.iterchildren(): if text_align == 4 and len(line_group) == 1: line_group = line_group[0] @@ -318,7 +323,7 @@ class Font(object): def get_variant(self, variant): return self.variants.get(variant, self.variants[self.default_variant]) - def _render_line(self, destination_group, line, position, glyph_set, line_number): + def _render_line(self, destination_group, line, position, glyph_set, line_number, letter_spacing=0, word_spacing=0): """Render a line of text. An SVG XML node tree will be returned, with an svg:g at its root. If @@ -363,11 +368,11 @@ class Font(object): position.x += self.word_spacing last_character = None continue - node = self._render_glyph(destination_group, glyph, position, glyph.name, last_character, f'{line_number}-{i}-{j}') + node = self._render_glyph(destination_group, glyph, position, glyph.name, last_character, f'{line_number}-{i}-{j}', letter_spacing) word_group.append(node) last_character = glyph.name group.append(word_group) - position.x += self.word_spacing + position.x += self.word_spacing + word_spacing * PIXELS_PER_MM return group def _get_word_glyphs(self, glyph_set, word): @@ -400,7 +405,7 @@ class Font(object): return glyphs - def _render_glyph(self, destination_group, glyph, position, character, last_character, id_extension): + def _render_glyph(self, destination_group, glyph, position, character, last_character, id_extension, letter_spacing=0): """Render a single glyph. An SVG XML node tree will be returned, with an svg:g at its root. @@ -428,13 +433,13 @@ class Font(object): if kerning is None: # legacy kerning without space kerning = self.kerning_pairs.get(last_character + character, 0) - position.x += glyph.min_x - kerning + position.x += glyph.min_x - kerning + letter_spacing * PIXELS_PER_MM else: kerning = self.kerning_pairs.get(f'{character} {last_character}', None) if kerning is None: # legacy kerning without space kerning = self.kerning_pairs.get(character + last_character, 0) - position.x += glyph.min_x - kerning + position.x += glyph.min_x - kerning + letter_spacing * PIXELS_PER_MM transform = "translate(%s, %s)" % position.as_tuple() node.set('transform', transform) |