Use Vec for GlyphStore::entry_buffer.

This commit is contained in:
Ms2ger 2014-05-05 10:05:34 +02:00
parent bba4bef106
commit 1695d16384

View file

@ -467,7 +467,7 @@ pub enum GlyphInfo<'a> {
impl<'a> GlyphInfo<'a> { impl<'a> GlyphInfo<'a> {
pub fn index(self) -> GlyphIndex { pub fn index(self) -> GlyphIndex {
match self { match self {
SimpleGlyphInfo(store, entry_i) => store.entry_buffer[entry_i].index(), SimpleGlyphInfo(store, entry_i) => store.entry_buffer.get(entry_i).index(),
DetailGlyphInfo(store, entry_i, detail_j) => { DetailGlyphInfo(store, entry_i, detail_j) => {
store.detail_store.get_detailed_glyph_with_index(entry_i, detail_j).index store.detail_store.get_detailed_glyph_with_index(entry_i, detail_j).index
} }
@ -478,7 +478,7 @@ impl<'a> GlyphInfo<'a> {
// FIXME: Resolution conflicts with IteratorUtil trait so adding trailing _ // FIXME: Resolution conflicts with IteratorUtil trait so adding trailing _
pub fn advance(self) -> Au { pub fn advance(self) -> Au {
match self { match self {
SimpleGlyphInfo(store, entry_i) => store.entry_buffer[entry_i].advance(), SimpleGlyphInfo(store, entry_i) => store.entry_buffer.get(entry_i).advance(),
DetailGlyphInfo(store, entry_i, detail_j) => { DetailGlyphInfo(store, entry_i, detail_j) => {
store.detail_store.get_detailed_glyph_with_index(entry_i, detail_j).advance store.detail_store.get_detailed_glyph_with_index(entry_i, detail_j).advance
} }
@ -499,7 +499,7 @@ impl<'a> GlyphInfo<'a> {
pub struct GlyphStore { pub struct GlyphStore {
// TODO(pcwalton): Allocation of this buffer is expensive. Consider a small-vector // TODO(pcwalton): Allocation of this buffer is expensive. Consider a small-vector
// optimization. // optimization.
entry_buffer: ~[GlyphEntry], entry_buffer: Vec<GlyphEntry>,
detail_store: DetailedGlyphStore, detail_store: DetailedGlyphStore,
@ -513,7 +513,7 @@ impl<'a> GlyphStore {
assert!(length > 0); assert!(length > 0);
GlyphStore { GlyphStore {
entry_buffer: slice::from_elem(length, GlyphEntry::initial()), entry_buffer: Vec::from_elem(length, GlyphEntry::initial()),
detail_store: DetailedGlyphStore::new(), detail_store: DetailedGlyphStore::new(),
is_whitespace: is_whitespace, is_whitespace: is_whitespace,
} }
@ -550,9 +550,9 @@ impl<'a> GlyphStore {
self.detail_store.add_detailed_glyphs_for_entry(i, glyph); self.detail_store.add_detailed_glyphs_for_entry(i, glyph);
GlyphEntry::complex(data.cluster_start, data.ligature_start, 1) GlyphEntry::complex(data.cluster_start, data.ligature_start, 1)
} }
}.adapt_character_flags_of_entry(self.entry_buffer[i]); }.adapt_character_flags_of_entry(*self.entry_buffer.get(i));
self.entry_buffer[i] = entry; *self.entry_buffer.get_mut(i) = entry;
} }
pub fn add_glyphs_for_char_index(&mut self, i: uint, data_for_glyphs: &[GlyphData]) { pub fn add_glyphs_for_char_index(&mut self, i: uint, data_for_glyphs: &[GlyphData]) {
@ -576,11 +576,11 @@ impl<'a> GlyphStore {
first_glyph_data.ligature_start, first_glyph_data.ligature_start,
glyph_count) glyph_count)
} }
}.adapt_character_flags_of_entry(self.entry_buffer[i]); }.adapt_character_flags_of_entry(*self.entry_buffer.get(i));
debug!("Adding multiple glyphs[idx={:u}, count={:u}]: {:?}", i, glyph_count, entry); debug!("Adding multiple glyphs[idx={:u}, count={:u}]: {:?}", i, glyph_count, entry);
self.entry_buffer[i] = entry; *self.entry_buffer.get_mut(i) = entry;
} }
// used when a character index has no associated glyph---for example, a ligature continuation. // used when a character index has no associated glyph---for example, a ligature continuation.
@ -590,7 +590,7 @@ impl<'a> GlyphStore {
let entry = GlyphEntry::complex(cluster_start, ligature_start, 0); let entry = GlyphEntry::complex(cluster_start, ligature_start, 0);
debug!("adding spacer for chracter without associated glyph[idx={:u}]", i); debug!("adding spacer for chracter without associated glyph[idx={:u}]", i);
self.entry_buffer[i] = entry; *self.entry_buffer.get_mut(i) = entry;
} }
pub fn iter_glyphs_for_char_index(&'a self, i: uint) -> GlyphIterator<'a> { pub fn iter_glyphs_for_char_index(&'a self, i: uint) -> GlyphIterator<'a> {
@ -617,57 +617,57 @@ impl<'a> GlyphStore {
// getter methods // getter methods
pub fn char_is_space(&self, i: uint) -> bool { pub fn char_is_space(&self, i: uint) -> bool {
assert!(i < self.entry_buffer.len()); assert!(i < self.entry_buffer.len());
self.entry_buffer[i].char_is_space() self.entry_buffer.get(i).char_is_space()
} }
pub fn char_is_tab(&self, i: uint) -> bool { pub fn char_is_tab(&self, i: uint) -> bool {
assert!(i < self.entry_buffer.len()); assert!(i < self.entry_buffer.len());
self.entry_buffer[i].char_is_tab() self.entry_buffer.get(i).char_is_tab()
} }
pub fn char_is_newline(&self, i: uint) -> bool { pub fn char_is_newline(&self, i: uint) -> bool {
assert!(i < self.entry_buffer.len()); assert!(i < self.entry_buffer.len());
self.entry_buffer[i].char_is_newline() self.entry_buffer.get(i).char_is_newline()
} }
pub fn is_ligature_start(&self, i: uint) -> bool { pub fn is_ligature_start(&self, i: uint) -> bool {
assert!(i < self.entry_buffer.len()); assert!(i < self.entry_buffer.len());
self.entry_buffer[i].is_ligature_start() self.entry_buffer.get(i).is_ligature_start()
} }
pub fn is_cluster_start(&self, i: uint) -> bool { pub fn is_cluster_start(&self, i: uint) -> bool {
assert!(i < self.entry_buffer.len()); assert!(i < self.entry_buffer.len());
self.entry_buffer[i].is_cluster_start() self.entry_buffer.get(i).is_cluster_start()
} }
pub fn can_break_before(&self, i: uint) -> BreakType { pub fn can_break_before(&self, i: uint) -> BreakType {
assert!(i < self.entry_buffer.len()); assert!(i < self.entry_buffer.len());
self.entry_buffer[i].can_break_before() self.entry_buffer.get(i).can_break_before()
} }
// setter methods // setter methods
pub fn set_char_is_space(&mut self, i: uint) { pub fn set_char_is_space(&mut self, i: uint) {
assert!(i < self.entry_buffer.len()); assert!(i < self.entry_buffer.len());
let entry = self.entry_buffer[i]; let entry = *self.entry_buffer.get(i);
self.entry_buffer[i] = entry.set_char_is_space(); *self.entry_buffer.get_mut(i) = entry.set_char_is_space();
} }
pub fn set_char_is_tab(&mut self, i: uint) { pub fn set_char_is_tab(&mut self, i: uint) {
assert!(i < self.entry_buffer.len()); assert!(i < self.entry_buffer.len());
let entry = self.entry_buffer[i]; let entry = *self.entry_buffer.get(i);
self.entry_buffer[i] = entry.set_char_is_tab(); *self.entry_buffer.get_mut(i) = entry.set_char_is_tab();
} }
pub fn set_char_is_newline(&mut self, i: uint) { pub fn set_char_is_newline(&mut self, i: uint) {
assert!(i < self.entry_buffer.len()); assert!(i < self.entry_buffer.len());
let entry = self.entry_buffer[i]; let entry = *self.entry_buffer.get(i);
self.entry_buffer[i] = entry.set_char_is_newline(); *self.entry_buffer.get_mut(i) = entry.set_char_is_newline();
} }
pub fn set_can_break_before(&mut self, i: uint, t: BreakType) { pub fn set_can_break_before(&mut self, i: uint, t: BreakType) {
assert!(i < self.entry_buffer.len()); assert!(i < self.entry_buffer.len());
let entry = self.entry_buffer[i]; let entry = *self.entry_buffer.get(i);
self.entry_buffer[i] = entry.set_can_break_before(t); *self.entry_buffer.get_mut(i) = entry.set_can_break_before(t);
} }
} }
@ -722,7 +722,7 @@ impl<'a> Iterator<(uint, GlyphInfo<'a>)> for GlyphIterator<'a> {
Some(i) => { Some(i) => {
self.char_index = i; self.char_index = i;
assert!(i < self.store.entry_buffer.len()); assert!(i < self.store.entry_buffer.len());
let entry = &self.store.entry_buffer[i]; let entry = self.store.entry_buffer.get(i);
if entry.is_simple() { if entry.is_simple() {
Some((self.char_index, SimpleGlyphInfo(self.store, i))) Some((self.char_index, SimpleGlyphInfo(self.store, i)))
} else { } else {