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Introduce CSSPixelLength and update NonNegativeLength.

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First, we define computed::CSSPixelLength which contains a CSSFloat, a
pixel value, and then we replace computed::Length with CSSPixelLength.
Therefore, the |ComputedValue| of NoCalcLength, AbsoluteLength,
FontRelativeLength, ViewportPercentageLength, CharacterWidth, and
PhysicalLength is CSSPixelLength.

Besides, we drop NonNegativeAu, and replace computed::NonNegativeLength
with NonNegative<computed::Length>. (i.e. NonNegative<CSSPixelLength>)
This commit is contained in:
Boris Chiou 2017-09-13 14:26:51 +08:00
parent cad3aff508
commit a949e2a057
40 changed files with 502 additions and 406 deletions
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22
components/layout/query.rs
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@ -450,10 +450,14 @@ impl FragmentBorderBoxIterator for FragmentLocatingFragmentIterator {
border_left_width: left_width,
..
} = *fragment.style.get_border();
self.client_rect.origin.y = top_width.0.to_px();
self.client_rect.origin.x = left_width.0.to_px();
self.client_rect.size.width = (border_box.size.width - left_width.0 - right_width.0).to_px();
self.client_rect.size.height = (border_box.size.height - top_width.0 - bottom_width.0).to_px();
let (left_width, right_width) = (left_width.px(), right_width.px());
let (top_width, bottom_width) = (top_width.px(), bottom_width.px());
self.client_rect.origin.y = top_width as i32;
self.client_rect.origin.x = left_width as i32;
self.client_rect.size.width =
(border_box.size.width.to_f32_px() - left_width - right_width) as i32;
self.client_rect.size.height =
(border_box.size.height.to_f32_px() - top_width - bottom_width) as i32;
}
fn should_process(&mut self, fragment: &Fragment) -> bool {
@ -476,10 +480,12 @@ impl FragmentBorderBoxIterator for UnioningFragmentScrollAreaIterator {
border_left_width: left_border,
..
} = *fragment.style.get_border();
let right_padding = (border_box.size.width - right_border.0 - left_border.0).to_px();
let bottom_padding = (border_box.size.height - bottom_border.0 - top_border.0).to_px();
let top_padding = top_border.0.to_px();
let left_padding = left_border.0.to_px();
let (left_border, right_border) = (left_border.px(), right_border.px());
let (top_border, bottom_border) = (top_border.px(), bottom_border.px());
let right_padding = (border_box.size.width.to_f32_px() - right_border - left_border) as i32;
let bottom_padding = (border_box.size.height.to_f32_px() - bottom_border - top_border) as i32;
let top_padding = top_border as i32;
let left_padding = left_border as i32;
match self.level {
Some(start_level) if level <= start_level => { self.is_child = false; }