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auto merge of #1529 : ibnc/servo/display_list_debug, r=metajack

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bors-servo 2014-01-23 16:55:26 -08:00
commit b28d08b4bc
1 changed files with 20 additions and 6 deletions
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26
src/components/gfx/display_list.rs
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@ -40,6 +40,12 @@ impl<E> DisplayList<E> {
}
}
fn dump(&self) {
for item in self.list.iter() {
item.debug_with_level(0);
}
}
/// Appends the given item to the display list.
pub fn append_item(&mut self, item: DisplayItem<E>) {
// FIXME(Issue #150): crashes
@ -55,7 +61,8 @@ impl<E> DisplayList<E> {
//debug!("drawing {}", *item);
item.draw_into_context(render_context)
}
debug!("Ending display list.")
debug!("Ending display list.");
debug!("{:?}", self.dump());
}
/// Returns a preorder iterator over the given display list.
@ -276,6 +283,17 @@ impl<E> DisplayItem<E> {
}
}
pub fn debug_with_level(&self, level: uint) {
let mut indent = ~"";
for _ in range(0, level) {
indent.push_str("| ")
}
debug!("{}+ {}", indent, self.debug_str());
for child in self.children() {
child.debug_with_level(level + 1);
}
}
pub fn debug_str(&self) -> ~str {
let class = match *self {
SolidColorDisplayItemClass(_) => "SolidColor",
@ -284,11 +302,7 @@ impl<E> DisplayItem<E> {
BorderDisplayItemClass(_) => "Border",
ClipDisplayItemClass(_) => "Clip",
};
let mut string = format!("{} @ {:?}", class, self.base().bounds);
for child in self.children() {
string = format!("{}\n {}", string, child.debug_str());
}
string
format!("{} @ {:?}", class, self.base().bounds)
}
}