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Fix more bugs

This commit is contained in:
Patrick Walton 2018-12-19 20:42:46 -08:00
parent 4fd332955a
commit 86f1202360
1 changed files with 18 additions and 21 deletions
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39
utils/tile-svg/src/main.rs
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@ -1004,32 +1004,29 @@ impl<'o, 'p> Tiler<'o, 'p> {
// TODO(pcwalton): Use only the active edge list!
let mut strip_tile_index = 0;
for interval in &self.active_intervals.ranges {
if interval.winding == 0.0 {
continue
}
while strip_tile_index < strip_tiles.len() &&
strip_tiles[strip_tile_index].position.x + TILE_WIDTH < interval.start {
strip_tile_index += 1;
}
while strip_tile_index < strip_tiles.len() &&
strip_tiles[strip_tile_index].position.x < interval.end {
while strip_tile_index < strip_tiles.len() {
let tile_left = strip_tiles[strip_tile_index].position.x;
let tile_right = tile_left + TILE_WIDTH;
let tile_interval = intersect_ranges(tile_left..tile_right,
interval.start..interval.end);
if tile_interval == (tile_left..tile_right) {
strip_tiles[strip_tile_index].backdrop = interval.winding
} else {
let left = Point2D::new(tile_interval.start - tile_left, strip_origin.y);
let right = Point2D::new(tile_interval.end - tile_left, strip_origin.y);
strip_fills.push(FillPrimitive {
from: if interval.winding < 0.0 { left } else { right },
to: if interval.winding < 0.0 { right } else { left },
tile_index: strip_tile_index as u32,
});
if interval.winding != 0.0 {
if tile_interval == (tile_left..tile_right) {
strip_tiles[strip_tile_index].backdrop = interval.winding
} else if tile_interval.start < tile_interval.end {
let left = Point2D::new(tile_interval.start - tile_left, 0.0);
let right = Point2D::new(tile_interval.end - tile_left, 0.0);
strip_fills.push(FillPrimitive {
from: if interval.winding < 0.0 { left } else { right },
to: if interval.winding < 0.0 { right } else { left },
tile_index: strip_tile_index as u32,
});
used_strip_tiles.insert(strip_tile_index);
}
}
if tile_right > interval.end {
break
}
strip_tile_index += 1;