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This will simplify upcoming Label porting in ThemeEditor.
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This can be used to convert a profile-dependent color to the L*a*b*
color space.
(I'd like to use this to implement the DeltaE (CIE 2000) algorithm,
which is a metric for how similar two colors are perceived.
(And I'd like to use that to evaluate color conversion roundtrip
quality, once I've implemented full conversions.)
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This makes it easier to see what the result will be when using two
solid colors.
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Previously, clicking outside the bounds of the board when the window
was resized, could cause a crash.
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To be able to port c-ares the IN6_IS_ADDR_V4COMPAT and
various macros of the form IN6_IS_ADDR_MC_XX_LOCAL were added
as well as the IN_CLASS{A,B} macros
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Length units are either relative to the font, or to the viewport, but
never both. So we can save some work by not gathering font metrics for
a viewport unit, and not retrieving the viewport for a font unit.
Currently this is only helpful when the `to_px(Layout::Node)` method is
called, but since that is 208 places according to CLion, (plus 33
indirect uses via `Length::resolved()`) it still seems worthwhile. :^)
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`*vi` and `*vb` vary on which direction they check depending on whether
the writing mode is horizontal or vertical, so they will need some
modification once we support that.
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`sfoo` `lfoo` and `dfoo` are, for our purposes, identical to `foo`,
because we don't have dynamic GUI elements that cover the page content.
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Using the rough heuristic instead of the actual spec measurement. It's
allowed by the spec, but not ideal:
> In the cases where it is impossible or impractical to determine the
ideographic advance measure, it must be assumed to be 1em.
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As noted, the ascent of the font is not the best heuristic for this, but
it is one that's listed as OK to use by the spec:
> In the cases where it is impossible or impractical to determine the
cap-height, the fontโs ascent must be used.
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These are the same as `ex` and `ch`, but using the root element's
metrics. We now have this information available, so let's use it. :^)
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This saves us from doing a lot of the same work multiple times, when we
want both the root font size and its line height.
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Rather than passing an increasingly-unwieldy number of font parameters
individually to every function that resolves lengths, let's wrap them
up.
This is frustratingly close to being `Gfx::FontPixelMetrics`, but bitmap
fonts cause issues: We choose the closest font to what the CSS
requests, but that might have a wildly different size than what the
page expects, so we have to fudge the numbers.
No behaviour changes.
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I missed this when removing calc() from Length. Oops!
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They previously weren't sorted at all. Alphabetical would be nice, but
then things like `em` and `rem` would be separated. So, let's copy the
spec's order. That way it's easier to keep track of which units we have
or haven't implemented. (Since there are so many...)
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Fix table box width calculation to minus horizonal borders from space
available for columns.
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If you launch the Spreadsheet app by clicking on a CSV
(or other supported formats) the import dialog is immediately
launched. If you cancel out of the import the application ends
up in an empty state where there are no sheets added. When you
launch the app normally it defaults to having a blank sheet, so
we should have the same behaviour in this scenario to prevent users
from having to manually add the new/blank sheet before being able to
use the app
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Cells can be updated with new background/foreground colors and then this
action can be undone/redone.
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Enables the ability to undo changes in metadata without undoing chages
in data. Previously there was only CellUndoData which cannot undo things
such as changes in cell background color.
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Allows the creation of CellChanges where the change is in the type
metadata instead of in data.
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This patch adds radial gradients to the gradients tool.
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Given that XYZ and xyz are distinct things, let's use the correct
case for these member variables.
No behavior change.
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Only implemented for matrix profiles so far.
This API won't be fast enough to color manage images, but let's
get something working before getting something fast.
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...and make its return type unsigned.
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Should be good enough.
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A dialog is now displayed when an engine move results in a checkmate
or a draw. In the case of threefold repetition or the fifty move rule,
the engine will always accept a draw. A human player is asked if they
would like to accept a draw.
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This commit implements following missing steps in table layout:
- Calculate final table height
- Resolve percentage height of cells and rows using final table height
- Distribute avilable height to table rows
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If total max columns width (grid_max) is zero then available width
should be divided equally between columns. Previously there was
division by zero: `column.max_width / grid_max`.
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This device was removed in b596af363c30de5323641fab69ad50c712f526e2, so
we can't really create anything related to it, therefore this piece of
code should be removed too.
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https://html.spec.whatwg.org/multipage/browsing-the-web.html#getting-all-used-history-steps
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https://html.spec.whatwg.org/multipage/browsing-the-web.html#getting-session-history-entries
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This bit is mostly ad-hoc for now. This simply turns fill: url(#grad1)
into document().get_element_by_id('grad1') then resolves the gradient.
This seems to do the trick for most use cases, but this is not
attempting to follow the spec yet to keep things simple.
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This represents the SVG <linearGradient>. The actual gradient is
converted to a Gfx::PaintStyle for use in SVG fills... There is a little
guesswork in the implementation, but it seems to match Chrome/Firefox.
Note: Still not hooked up to actual painting in this commit.
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This is the base class for all SVG gradient types. This supports:
- The `gradientUnits` attribute
- The `gradientTransform` attribute
- And following `xlink:hrefs` for inheriting <stops>/attributes
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This does not do anything yet, but will allow for gradients later!
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