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dwrite: Added a range data header to distinguish range kinds.

This commit is contained in:
Nikolay Sivov 2015-06-04 13:37:01 +03:00 committed by Alexandre Julliard
parent 72dcc4d437
commit 6d87a451a2
1 changed files with 27 additions and 17 deletions
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44
dlls/dwrite/layout.c
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@ -93,8 +93,17 @@ struct layout_range_attr_value {
} u;
};
struct layout_range {
enum layout_range_kind {
LAYOUT_RANGE_REGULAR
};
struct layout_range_header {
struct list entry;
enum layout_range_kind kind;
};
struct layout_range {
struct layout_range_header h;
DWRITE_TEXT_RANGE range;
DWRITE_FONT_WEIGHT weight;
DWRITE_FONT_STYLE style;
@ -545,7 +554,7 @@ static HRESULT layout_compute_runs(struct dwrite_textlayout *layout)
if (FAILED(hr))
return hr;
LIST_FOR_EACH_ENTRY(range, &layout->ranges, struct layout_range, entry) {
LIST_FOR_EACH_ENTRY(range, &layout->ranges, struct layout_range, h.entry) {
/* inline objects override actual text in a range */
if (range->object) {
hr = layout_update_breakpoints_range(layout, range);
@ -1056,6 +1065,7 @@ static struct layout_range *alloc_layout_range(struct dwrite_textlayout *layout,
range = heap_alloc(sizeof(*range));
if (!range) return NULL;
range->h.kind = LAYOUT_RANGE_REGULAR;
range->range = *r;
range->weight = layout->format.weight;
range->style = layout->format.style;
@ -1125,8 +1135,8 @@ static void free_layout_range(struct layout_range *range)
static void free_layout_ranges_list(struct dwrite_textlayout *layout)
{
struct layout_range *cur, *cur2;
LIST_FOR_EACH_ENTRY_SAFE(cur, cur2, &layout->ranges, struct layout_range, entry) {
list_remove(&cur->entry);
LIST_FOR_EACH_ENTRY_SAFE(cur, cur2, &layout->ranges, struct layout_range, h.entry) {
list_remove(&cur->h.entry);
free_layout_range(cur);
}
}
@ -1135,7 +1145,7 @@ static struct layout_range *find_outer_range(struct dwrite_textlayout *layout, c
{
struct layout_range *cur;
LIST_FOR_EACH_ENTRY(cur, &layout->ranges, struct layout_range, entry) {
LIST_FOR_EACH_ENTRY(cur, &layout->ranges, struct layout_range, h.entry) {
if (cur->range.startPosition > range->startPosition)
return NULL;
@ -1154,7 +1164,7 @@ static struct layout_range *get_layout_range_by_pos(struct dwrite_textlayout *la
{
struct layout_range *cur;
LIST_FOR_EACH_ENTRY(cur, &layout->ranges, struct layout_range, entry) {
LIST_FOR_EACH_ENTRY(cur, &layout->ranges, struct layout_range, h.entry) {
DWRITE_TEXT_RANGE *r = &cur->range;
if (r->startPosition <= pos && pos < r->startPosition + r->length)
return cur;
@ -1279,7 +1289,7 @@ static HRESULT set_layout_range_attr(struct dwrite_textlayout *layout, enum layo
if (!left) return E_OUTOFMEMORY;
changed = set_layout_range_attrval(left, attr, value);
list_add_before(&outer->entry, &left->entry);
list_add_before(&outer->h.entry, &left->h.entry);
outer->range.startPosition += value->range.length;
outer->range.length -= value->range.length;
goto done;
@ -1291,7 +1301,7 @@ static HRESULT set_layout_range_attr(struct dwrite_textlayout *layout, enum layo
if (!right) return E_OUTOFMEMORY;
changed = set_layout_range_attrval(right, attr, value);
list_add_after(&outer->entry, &right->entry);
list_add_after(&outer->h.entry, &right->h.entry);
outer->range.length -= value->range.length;
goto done;
}
@ -1315,8 +1325,8 @@ static HRESULT set_layout_range_attr(struct dwrite_textlayout *layout, enum layo
/* new part */
set_layout_range_attrval(cur, attr, value);
list_add_after(&outer->entry, &cur->entry);
list_add_after(&cur->entry, &right->entry);
list_add_after(&outer->h.entry, &cur->h.entry);
list_add_after(&cur->h.entry, &right->h.entry);
return S_OK;
}
@ -1332,14 +1342,14 @@ static HRESULT set_layout_range_attr(struct dwrite_textlayout *layout, enum layo
left->range.length -= r.length;
cur = alloc_layout_range_from(left, &r);
changed = set_layout_range_attrval(cur, attr, value);
list_add_after(&left->entry, &cur->entry);
list_add_after(&left->h.entry, &cur->h.entry);
}
cur = LIST_ENTRY(list_next(ranges, &left->entry), struct layout_range, entry);
cur = LIST_ENTRY(list_next(ranges, &left->h.entry), struct layout_range, h.entry);
/* for all existing ranges covered by new one update value */
while (is_in_layout_range(&value->range, &cur->range)) {
changed = set_layout_range_attrval(cur, attr, value);
cur = LIST_ENTRY(list_next(ranges, &cur->entry), struct layout_range, entry);
cur = LIST_ENTRY(list_next(ranges, &cur->h.entry), struct layout_range, h.entry);
}
/* it's possible rightmost range intersects */
@ -1350,7 +1360,7 @@ static HRESULT set_layout_range_attr(struct dwrite_textlayout *layout, enum layo
changed = set_layout_range_attrval(left, attr, value);
cur->range.startPosition += left->range.length;
cur->range.length -= left->range.length;
list_add_before(&cur->entry, &left->entry);
list_add_before(&cur->h.entry, &left->h.entry);
}
done:
@ -1360,9 +1370,9 @@ done:
layout->recompute = RECOMPUTE_EVERYTHING;
i = list_head(ranges);
while ((next = list_next(ranges, i))) {
struct layout_range *next_range = LIST_ENTRY(next, struct layout_range, entry);
struct layout_range *next_range = LIST_ENTRY(next, struct layout_range, h.entry);
cur = LIST_ENTRY(i, struct layout_range, entry);
cur = LIST_ENTRY(i, struct layout_range, h.entry);
if (is_same_layout_attributes(cur, next_range)) {
/* remove similar range */
cur->range.length += next_range->range.length;
@ -3098,7 +3108,7 @@ static HRESULT init_textlayout(const WCHAR *str, UINT32 len, IDWriteTextFormat *
goto fail;
}
list_add_head(&layout->ranges, &range->entry);
list_add_head(&layout->ranges, &range->h.entry);
return S_OK;
fail: