When the last of the bounded breaks such a line reads came right before
U+2028, the line ended at that break and the next line held only the
forced break, drawing an empty line. The line now reads on to the
forced break and ends there when it fits as drawn.
tab_advance read the text after a tab up to the next tab for every
stop, though only right, center and decimal stops align it. The first
tab of a long paragraph read the paragraph to its end, even on a line
that stops reading a bounded number of breaks past its overflow. It
now reads that text only when it reaches a stop that aligns it.
Where a tabbed line with glyphs stepping back stops reading at its break limit on a soft
hyphen that ends the text, it now ends there without a hyphen, as a line that reads to the
end of the text does.
While a document's composite fonts are lent, type naming a composite font
the document does not define is set as in a missing font, even when the
front document or the document a placed document sits in defines one of
that name. A document that defines no composite font gets an empty scope
too, so a document in the back, a tiled window, a thumbnail or an export
made while another document is in front no longer borrows the front
document's definitions. A temporary document drawn while a document draws
keeps that document's fonts, and type laid out with nothing lent still uses
the registered ones.
- FontDb::composite_font looks only in the latest loan of the database.
- lend_composite_fonts lends an empty set at the top level when the
database holds composite fonts; lend_document_composite_fonts also lends
one inside another loan, for placed documents, back-document measuring
and threaded reflow on open.
- A loan that leaves out a registered font gets its own generation, so
layouts made with that font are not reused under it.
A radial gradient whose circles both have the same negative radius (as a
variable font's instance can give) draws no circle. A glyph painted with
only that gradient was read as no colour glyph, so layout drew its
outline instead. It is now colour art that draws nothing.
With Invert Wrap and a positive offset, a line's band was cut into at
most 64 pieces, and anchor cuts were dropped when a shape had more than
64 of them. Beside a notch the offset fills, a line could stop at the
notch instead of at the grown edge: 20 pt short beside a 0.5625 pt notch
with an offset of 1, and short beside sloped notch sides and tall bands.
The grown shape is now measured exactly: the shape near the band is cut
into trapezoids, each grown by the offset into a convex polygon, and the
line keeps the x at which those polygons hold every height of its band.
The work is capped; a shape that needs more steps than the cap, for
example one whose edges cross one another tens of thousands of times,
keeps the 64-piece measure, which keeps the line inside the grown shape.
A band of no height exactly the offset past a shape's tip now holds a
line too.
Once a right-to-left line holds a tab and a glyph with a negative
advance, the least it can be drawn at no longer grows with its tab
stops, so a line that overflowed in the order of its text read on to
the end of the paragraph before settling its break. Setting every line
of a long paragraph that way took time quadratic in its length.
Such a line now reads at most 256 legal breaks past where it first
overflows in the order of its text, and ends at the latest break read
that fits as drawn, the same limit the breaker uses for breaks it
measures one by one. Lines without negative advances, and lines that
fit, keep their breaks.
Character panel > Tsume, shown with Show East Asian Options, takes away a
percentage of the blank space on each side of a character's ink, inside
its own width, in horizontal type. The value is from 0 to 100, 0 by
default. 50 halves that space and 100 sets the ink against the
characters before and after it; the glyph keeps its shape. A character
without ink, such as a space, keeps its width, and a ligature or a
letter with its marks takes the value of its first character. The
font's pair kerning, tracking, manual kerning and Insert Aki are added
after it, and justification keeps it. Vertical type keeps its spacing.
- text.setFormat and text.setRangeStyle take `tsume`; a value that is
not a number or is outside 0 to 100 is refused, naming the key.
Character styles carry it, and a file holding a value outside the
range opens with the nearer end.
- The Character panel's Tsume field has 0, 25, 50, 75 and 100 in its
menu, and Reset Panel sets it to 0. Character Style Options shows it
in Advanced Character Formats.
- Live SVG text places each character Tsume moves, and type on a path
with Tsume is written as outlines.
Docs: docs/mcp.md (Tsume, Character Style Options fields),
docs/target-app-parity.md.
A paragraph whose characters differ in line metrics, in area type that is
not a rectangle or that wraps around an object, was broken line by line
with the Single-line Composer when the frame could not hold all of it.
The lines the frame holds are now composed with the whole paragraph: a
line the frame has no room for, and every line after it, is measured as
wide as the span of the last line set in the frame, less its indents.
Those lines overflow, or go on in the next threaded frame, which composes
them again at its own widths. A paragraph whose first line has no room,
and a search that passes its limits, still fall back to Single-line.
Docs: docs/mcp.md, docs/target-app-parity.md.
A radial gradient whose color line runs past 0 or 1 can get a circle
with a negative radius once its stops are normalized to 0..1. Circles of
a negative radius are not drawn: only the side of the circle of radius 0
(the tip of the cone) where the radius is positive is painted
(https://learn.microsoft.com/en-us/typography/opentype/spec/colr, Radial
gradients). Before:
- As vector art, a padded gradient with a stop before 0 and its centers
apart was focused on the start circle's center instead of the tip, and
one with its centers together got stop offsets below 0.
- Drawn into an image (a glyph with a sweep gradient, a Porter-Duff
composite or a repeating gradient), any such gradient filled the glyph
with its first stop's color.
Both now recast the circles so neither radius is negative. With pad, the
stops on the side that is not drawn become one stop at the tip with the
color there; stops at the tip stay, so a sharp change of color there
keeps the color on the drawn side. With repeat and reflect, the circles
move by whole periods of the color line to the drawn side. When no
circle is drawn, nothing is painted.
Two intervals at the middle of a band joined whenever their crossings
came out at the same x, even when the two edges are not along one line
and only round to that x. A slanted edge whose crossings of the band all
round to the x of a separate contour's edge then let a line run across
the gap between the contours.
The crossings now carry the line they were found along. Intervals join
at an x only when both crossings are along one line (contours that meet
along an edge) or both lie exactly at that x.
BFlat