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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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18
components/layout/display_list_builder.rs
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@ -39,7 +39,7 @@ use msg::constellation_msg::ConstellationChan;
use net::image::holder::ImageHolder;
use util::cursor::Cursor;
use util::geometry::{self, Au, ZERO_POINT, to_px, to_frac_px};
use util::logical_geometry::{LogicalPoint, LogicalRect, LogicalSize};
use util::logical_geometry::{LogicalPoint, LogicalRect, LogicalSize, WritingMode};
use util::opts;
use std::cmp;
use std::default::Default;
@ -181,6 +181,7 @@ pub trait FragmentDisplayListBuilding {
layout_context: &LayoutContext,
stacking_relative_flow_origin: &Point2D<Au>,
relative_containing_block_size: &LogicalSize<Au>,
relative_containing_block_mode: WritingMode,
background_and_border_level: BackgroundAndBorderLevel,
clip: &ClippingRegion);
@ -785,6 +786,7 @@ impl FragmentDisplayListBuilding for Fragment {
layout_context: &LayoutContext,
stacking_relative_flow_origin: &Point2D<Au>,
relative_containing_block_size: &LogicalSize<Au>,
relative_containing_block_mode: WritingMode,
background_and_border_level: BackgroundAndBorderLevel,
clip: &ClippingRegion) {
// Compute the fragment position relative to the parent stacking context. If the fragment
@ -793,6 +795,7 @@ impl FragmentDisplayListBuilding for Fragment {
let stacking_relative_border_box =
self.stacking_relative_border_box(stacking_relative_flow_origin,
relative_containing_block_size,
relative_containing_block_mode,
CoordinateSystem::Self);
debug!("Fragment::build_display_list at rel={:?}, abs={:?}, dirty={:?}, flow origin={:?}: \
@ -1254,6 +1257,9 @@ impl BlockFlowDisplayListBuilding for BlockFlow {
&self.base
.absolute_position_info
.relative_containing_block_size,
self.base
.absolute_position_info
.relative_containing_block_mode,
background_border_level,
&self.base.clip);
@ -1357,6 +1363,9 @@ impl BlockFlowDisplayListBuilding for BlockFlow {
&self.base
.absolute_position_info
.relative_containing_block_size,
self.base
.absolute_position_info
.relative_containing_block_mode,
CoordinateSystem::Parent);
// FIXME(pcwalton): Is this vertical-writing-direction-safe?
@ -1399,6 +1408,9 @@ impl InlineFlowDisplayListBuilding for InlineFlow {
&self.base
.absolute_position_info
.relative_containing_block_size,
self.base
.absolute_position_info
.relative_containing_block_mode,
BackgroundAndBorderLevel::Content,
&self.base.clip);
match fragment.specific {
@ -1448,6 +1460,10 @@ impl ListItemFlowDisplayListBuilding for ListItemFlow {
.base
.absolute_position_info
.relative_containing_block_size,
self.block_flow
.base
.absolute_position_info
.relative_containing_block_mode,
BackgroundAndBorderLevel::Content,
&self.block_flow.base.clip);
}