Account for percentages in fixed table layout
Don't just use the minimum length all the time.
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Move collapse through margin to the top of block flow
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Based on the spec, a collapse through box should be put on the top edge of the flow. This fixed ~110 reftests
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Handle row borders in border collapsing logic.
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Handle table row border when collapsing borders for a table row. The row border is combined with the cell's border using the already implemented conflict resolution logic.
This is a screenshot of the following test:
```html
<!doctype html>
<html><body>
<style>
table {
border-collapse: collapse;
}
tr {
border: 1px solid black;
}
</style>
<table>
<tr><td>Lorem</td><td>Ipsum</td><td>Sit</td><td>Dolor</td></tr>
<tr><td>Lorem</td><td>Ipsum</td><td>Sit</td><td>Dolor</td></tr>
<tr><td>Lorem</td><td>Ipsum</td><td>Sit</td><td>Dolor</td></tr>
<tr><td>Lorem</td><td>Ipsum</td><td>Sit</td><td>Dolor</td></tr>
</table>
</body>
</html>
```
<img src="https://dl.dropboxusercontent.com/u/10962672/Screenshots%20Servo/servo_tr_border_collapse.png"/>
The top border is missing, but I think that's a different bug, since it also does not show up when the border is in the cells, and not the rows. Also, when debugging the border collapsing structures, they seem ok (the top border seems to be there). I can look at that bug in a separate issue (or in this one too if you prefer).
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Fixes#11527.
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Fix wrong calculation of inline element's block size
Border, padding and margin properties' top and bottom values of inline elements were affecting the element's height. It shouldn't affect it normally. Fixed it and added a test.
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This was the underlying cause of the restyle_hints_state.html failure.
It was uncovered only when fixing the HAS_EDGE_CHILD_SELECTOR flags because this
was the series of events happening.
* <script> starts executing.
* All the restyle hint processing takes place.
* <script> ends executing, gets appended to the body (I think this is also a bug).
* <body> receives children_changed notification, with an Append mutation.
* <body> had the HAS_EDGE_CHILD_SELECTOR flag, so due to its bogus value, it
restyled the whole tree after <body>, fixing any mishandling of restyle
hints.
Fix absolute-flow's auto positioning
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If an absolute positioned flow has no top, bottom, left, right property, its hypothetical box position should be the margin-end of its previous sibling, not the border-end.
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stylo: Stop restyling display: none elements, remove the has_changed hack that made us use ReconstructFrame unconditionally.
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r? @bholley
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Inline split fixes#12699
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Fix fragment splitting algorithm to set FIRST/LAST_FRAGMENT_OF_ELEMENT flag correctly, account for border_padding for border_box and set zero border_padding between for new fragments.
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Simplify and extend trans-stacking-context subpixel accumulation
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Simplify the situations in which subpixels are accumulated, so that it
is only done for translation or identity transformation matrices. Also,
apply accumulated subpixels to more operations in PaintContext. This
fixes several pre-existing reftests and hopefully will eliminate
off-by-one errors in flaky reftests.
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Fix the currently logic that a item will freeze if it should
grow(shrink) and its basesize is less(more) than its min(max) size. Also
fix the divide by zero error when an item should shrink but it has zero
length and zero min size.
Simplify the situations in which subpixels are accumulated, so that it
is only done for translation or identity transformation matrices. Also,
apply accumulated subpixels to more operations in PaintContext. This
fixes several pre-existing reftests and hopefully will eliminate
off-by-one errors in flaky reftests.
Fixes#10881.
Implement flexible box layout for row container
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This pull requests implements basic flexible box layout for row container.
It has implemented most basic flexbox features, including grow, shrink, multi-line, *reverse properties, and alignment under `justify-content`, `align-items`, `align-self`, `align-content`.
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r? @pcwalton
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Instead of simply rounding layer origins and discarding subpixel
offsets, accumulate them by transforming them into the space of the
next child stacking context. This is an attempt to eliminate subpixel
differences that are caused by different stacking context boundaries in
reference tests.
Currently these accumulated subpixels are only used for text
positioning, but the plan is that they can be used for all drawing in
the future.
Add a modify_style_for_anonymous_flow() function to use initial values
for non-inherited properties and parent values for inherited properties
as the block style. It also set border and outline to zero and set the
display property from the parameter.
style: Add support to the animation shorthand and fix parsing of animation-name
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Part of #11916.
r? @SimonSapin
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Make text decorations have the same color as the text if no shadows are present
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Support the `flex` and `flex-flow` shorthand properties in
servo. Currently they are marked as experimental, so they are added to
'__dir__.ini'.
Thanks SimonSapin and jdm for help :)
The display list item for a line of text has a single color assigned for
it, so text fragments with different colors cannot be merged.
There is no issue number for this, as far as I know. I found this while
trying an internal program that uses red asterisks for required text
fields.
Do not create stacking contexts for text fragments
Without this change, each text fragment in a block that establishes a
stacking context will establish its own stacking context. This is
unnecessary and increases the amount of work done during display list
construction. This change should not change output, but should improve
performance.
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Without this change, each text fragment in a block that establishes a
stacking context will establish its own stacking context. This is
unnecessary and increases the amount of work done during display list
construction.
