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Keep track of the containing block writing mode.

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This is necessary for correctly converting `relative_containing_block_size`
to physical coordinates.
This commit is contained in:
Matt Brubeck 2015-03-05 08:43:36 -08:00
parent 8221bfc3ef
commit cabbbcc978
5 changed files with 38 additions and 4 deletions
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7
components/layout/block.rs
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@ -1804,6 +1804,7 @@ impl Flow for BlockFlow {
stacking_relative_position_of_absolute_containing_block:
stacking_relative_position_of_absolute_containing_block_for_children,
relative_containing_block_size: self.fragment.content_box().size,
relative_containing_block_mode: self.base.writing_mode,
layers_needed_for_positioned_flows: self.base
.flags
.contains(LAYERS_NEEDED_FOR_DESCENDANTS),
@ -1836,6 +1837,9 @@ impl Flow for BlockFlow {
&self.base
.absolute_position_info
.relative_containing_block_size,
self.base
.absolute_position_info
.relative_containing_block_mode,
CoordinateSystem::Self);
let clip = self.fragment.clipping_region_for_children(&clip_in_child_coordinate_system,
&stacking_relative_border_box);
@ -1939,6 +1943,9 @@ impl Flow for BlockFlow {
&self.base
.absolute_position_info
.relative_containing_block_size,
self.base
.absolute_position_info
.relative_containing_block_mode,
CoordinateSystem::Parent)
.translate(stacking_context_position));
}