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https://github.com/servo/servo.git
synced 2025-08-06 14:10:11 +01:00
Allow dumping the fragment tree in layout_2020
This is done when the dump-flow-tree debug option is passed.
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parent
c6192dc286
commit
ea8c635344
4 changed files with 100 additions and 5 deletions
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@ -17,6 +17,7 @@ use crate::replaced::ReplacedContent;
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use crate::sizing::ContentSizesRequest;
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use crate::style_ext::{Display, DisplayGeneratingBox, DisplayInside};
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use crate::DefiniteContainingBlock;
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use gfx_traits::print_tree::PrintTree;
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use script_layout_interface::wrapper_traits::LayoutNode;
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use servo_arc::Arc;
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use style::properties::ComputedValues;
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@ -154,4 +155,11 @@ impl FragmentTreeRoot {
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fragment.build_display_list(builder, &containing_block)
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}
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}
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pub fn print(&self) {
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let mut print_tree = PrintTree::new("Fragment Tree".to_string());
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for fragment in &self.0 {
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fragment.print(&mut print_tree);
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}
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}
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}
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@ -4,6 +4,7 @@
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use crate::geom::flow_relative::{Rect, Sides, Vec2};
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use gfx::text::glyph::GlyphStore;
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use gfx_traits::print_tree::PrintTree;
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use servo_arc::Arc as ServoArc;
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use std::sync::Arc;
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use style::dom::OpaqueNode;
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@ -80,6 +81,15 @@ impl Fragment {
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Fragment::Image(f) => &mut f.rect.start_corner,
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}
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}
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pub fn print(&self, tree: &mut PrintTree) {
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match self {
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Fragment::Box(fragment) => fragment.print(tree),
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Fragment::Anonymous(fragment) => fragment.print(tree),
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Fragment::Text(fragment) => fragment.print(tree),
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Fragment::Image(fragment) => fragment.print(tree),
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}
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}
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}
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impl AnonymousFragment {
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@ -90,13 +100,67 @@ impl AnonymousFragment {
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mode,
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}
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}
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pub fn print(&self, tree: &mut PrintTree) {
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tree.new_level(format!(
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"Anonymous\
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\nrect={:?}",
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self.rect
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));
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for child in &self.children {
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child.print(tree);
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}
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tree.end_level();
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}
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}
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impl BoxFragment {
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pub fn padding_rect(&self) -> Rect<Length> {
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self.content_rect.inflate(&self.padding)
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}
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pub fn border_rect(&self) -> Rect<Length> {
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self.content_rect
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.inflate(&self.padding)
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.inflate(&self.border)
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self.padding_rect().inflate(&self.border)
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}
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pub fn print(&self, tree: &mut PrintTree) {
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tree.new_level(format!(
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"Box\
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\ncontent={:?}\
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\npadding rect={:?}\
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\nborder rect={:?}",
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self.content_rect,
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self.padding_rect(),
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self.border_rect()
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));
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for child in &self.children {
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child.print(tree);
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}
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tree.end_level();
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}
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}
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impl TextFragment {
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pub fn print(&self, tree: &mut PrintTree) {
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tree.add_item(format!(
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"Text num_glyphs={}",
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self.glyphs
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.iter()
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.map(|glyph_store| glyph_store.len().0)
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.sum::<isize>()
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));
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}
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}
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impl ImageFragment {
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pub fn print(&self, tree: &mut PrintTree) {
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tree.add_item(format!(
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"Image\
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\nrect={:?}",
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self.rect
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));
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}
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}
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@ -45,7 +45,7 @@ pub(crate) mod flow_relative {
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pub block: T,
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}
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#[derive(Clone, Debug)]
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#[derive(Clone)]
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pub(crate) struct Rect<T> {
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pub start_corner: Vec2<T>,
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pub size: Vec2<T>,
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@ -200,6 +200,19 @@ impl flow_relative::Rect<Length> {
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}
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}
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impl fmt::Debug for flow_relative::Rect<Length> {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(
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f,
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"Rect(i{}×b{} @ (i{},b{}))",
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self.size.inline.px(),
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self.size.block.px(),
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self.start_corner.inline.px(),
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self.start_corner.block.px(),
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)
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}
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}
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impl<T: Clone> flow_relative::Vec2<T> {
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pub fn size_to_physical(&self, mode: WritingMode) -> physical::Vec2<T> {
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// https://drafts.csswg.org/css-writing-modes/#logical-to-physical
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