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Implement size extremums

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This commit is contained in:
Anthony Ramine 2019-12-03 14:26:20 +01:00
parent 7aa68c8fe7
commit 48ceb56339
3 changed files with 254 additions and 32 deletions
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30
components/layout_2020/style_ext.rs
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@ -4,7 +4,9 @@
use crate::geom::{flow_relative, physical};
use style::properties::ComputedValues;
use style::values::computed::{Length, LengthPercentage, LengthPercentageOrAuto, Size};
use style::values::computed::{Length, LengthPercentage, LengthPercentageOrAuto};
use style::values::computed::{NonNegativeLengthPercentage, Size};
use style::values::generics::length::MaxSize;
use style::values::specified::box_ as stylo;
pub use style::computed_values::direction::T as Direction;
@ -45,6 +47,8 @@ pub(crate) trait ComputedValuesExt {
fn writing_mode(&self) -> (WritingMode, Direction);
fn box_offsets(&self) -> flow_relative::Sides<LengthPercentageOrAuto>;
fn box_size(&self) -> flow_relative::Vec2<LengthPercentageOrAuto>;
fn min_box_size(&self) -> flow_relative::Vec2<LengthPercentageOrAuto>;
fn max_box_size(&self) -> flow_relative::Vec2<MaxSize<LengthPercentage>>;
fn padding(&self) -> flow_relative::Sides<LengthPercentage>;
fn border_width(&self) -> flow_relative::Sides<Length>;
fn margin(&self) -> flow_relative::Sides<LengthPercentageOrAuto>;
@ -80,6 +84,30 @@ impl ComputedValuesExt for ComputedValues {
.size_to_flow_relative(self.writing_mode())
}
#[inline]
fn min_box_size(&self) -> flow_relative::Vec2<LengthPercentageOrAuto> {
let position = self.get_position();
physical::Vec2 {
x: size_to_length(position.min_width),
y: size_to_length(position.min_height),
}
.size_to_flow_relative(self.writing_mode())
}
#[inline]
fn max_box_size(&self) -> flow_relative::Vec2<MaxSize<LengthPercentage>> {
let unwrap = |max_size: MaxSize<NonNegativeLengthPercentage>| match max_size {
MaxSize::LengthPercentage(length) => MaxSize::LengthPercentage(length.0),
MaxSize::None => MaxSize::None,
};
let position = self.get_position();
physical::Vec2 {
x: unwrap(position.max_width),
y: unwrap(position.max_height),
}
.size_to_flow_relative(self.writing_mode())
}
#[inline]
fn padding(&self) -> flow_relative::Sides<LengthPercentage> {
let padding = self.get_padding();