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RareFlowFlags -> ~RareFlowFlags

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patrick kim 2014-01-23 10:10:38 +09:00
parent baad6e3963
commit 4133982050
4 changed files with 19 additions and 16 deletions
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8
src/components/main/layout/block.rs
View file

@ -705,6 +705,8 @@ impl Flow for BlockFlow {
self.base.flags_info.flags.inorder() || self.base.num_floats > 0
};
// FIXME(ksh8281): avoid copy
let flags_info = self.base.flags_info.clone();
for kid in self.base.child_iter() {
assert!(kid.starts_block_flow() || kid.starts_inline_flow());
@ -721,10 +723,8 @@ impl Flow for BlockFlow {
//
// TODO(pcwalton): When we have out-of-flow children, don't unconditionally propagate.
// FIXME(ksh8281): avoid copy
child_base.flags_info.propagate_text_decoration_from_parent(self.base.flags_info);
child_base.flags_info.propagate_text_alignment_from_parent(self.base.flags_info)
child_base.flags_info.propagate_text_decoration_from_parent(&flags_info);
child_base.flags_info.propagate_text_alignment_from_parent(&flags_info)
}
}

4
src/components/main/layout/box_.rs
View file

@ -750,7 +750,7 @@ impl Box {
let text_color = self.style().Color.color.to_gfx_color();
// Set the various text display item flags.
let mut flow_flags = flow::base(flow).flags_info;
let mut flow_flags = flow::base(flow).flags_info.clone();
let inline_info = self.inline_info.borrow();
match inline_info.get() {
@ -758,7 +758,7 @@ impl Box {
for data in info.parent_info.rev_iter() {
let parent_info = FlowFlagsInfo::new(data.style.get());
//FIXME(ksh8281) avoid copy
flow_flags.propagate_text_decoration_from_parent(parent_info);
flow_flags.propagate_text_decoration_from_parent(&parent_info);
}
},
&None => {}

18
src/components/main/layout/flow.rs
View file

@ -259,11 +259,12 @@ pub trait PostorderFlowTraversal {
}
}
#[deriving(Clone)]
pub struct FlowFlagsInfo{
flags: FlowFlags,
/// text-decoration colors
rare_flow_flags: Option<RareFlowFlags>,
rare_flow_flags: Option<~RareFlowFlags>,
}
#[deriving(Clone)]
@ -274,6 +275,7 @@ pub struct RareFlowFlags {
}
/// Flags used in flows, tightly packed to save space.
#[deriving(Clone)]
pub struct FlowFlags(u8);
/// The bitmask of flags that represent text decoration fields that get propagated downward.
@ -301,8 +303,8 @@ impl FlowFlagsInfo {
flags.set_override_line_through(text_decoration.line_through);
// TODO(ksh8281) compute text-decoration-color,style,line
let rare_flow_flags = if flags.is_text_decoration_enable() {
Some(RareFlowFlags {
let rare_flow_flags = if flags.is_text_decoration_enabled() {
Some(~RareFlowFlags {
underline_color: style.Color.color.to_gfx_color(),
overline_color: style.Color.color.to_gfx_color(),
line_through_color: style.Color.color.to_gfx_color(),
@ -351,12 +353,12 @@ impl FlowFlagsInfo {
}
/// Propagates text decoration flags from an appropriate parent flow per CSS 2.1 § 16.3.1.
pub fn propagate_text_decoration_from_parent(&mut self, parent: FlowFlagsInfo) {
if !parent.flags.is_text_decoration_enable() {
pub fn propagate_text_decoration_from_parent(&mut self, parent: &FlowFlagsInfo) {
if !parent.flags.is_text_decoration_enabled() {
return ;
}
if !self.flags.is_text_decoration_enable() && parent.flags.is_text_decoration_enable() {
if !self.flags.is_text_decoration_enabled() && parent.flags.is_text_decoration_enabled() {
self.rare_flow_flags = parent.rare_flow_flags.clone();
return ;
}
@ -416,7 +418,7 @@ impl FlowFlagsInfo {
}
/// Propagates text alignment flags from an appropriate parent flow per CSS 2.1.
pub fn propagate_text_alignment_from_parent(&mut self, parent: FlowFlagsInfo) {
pub fn propagate_text_alignment_from_parent(&mut self, parent: &FlowFlagsInfo) {
self.flags.set_text_align_override(parent.flags);
}
}
@ -462,7 +464,7 @@ impl FlowFlags {
}
#[inline]
pub fn is_text_decoration_enable(&self) -> bool {
pub fn is_text_decoration_enabled(&self) -> bool {
(**self & TEXT_DECORATION_OVERRIDE_BITMASK) != 0
}
}

5
src/components/main/layout/inline.rs
View file

@ -640,12 +640,13 @@ impl Flow for InlineFlow {
}
}
// FIXME(ksh8281) avoid copy
let flags_info = self.base.flags_info.clone();
for kid in self.base.child_iter() {
let child_base = flow::mut_base(*kid);
child_base.position.size.width = self.base.position.size.width;
child_base.flags_info.flags.set_inorder(self.base.flags_info.flags.inorder());
// FIXME(ksh8281) avoid copy
child_base.flags_info.propagate_text_alignment_from_parent(self.base.flags_info)
child_base.flags_info.propagate_text_alignment_from_parent(&flags_info)
}
// There are no child contexts, so stop here.