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dwrite: Store strikethrough settings in a separate list.

This commit is contained in:
Nikolay Sivov 2015-06-04 17:55:26 +03:00 committed by Alexandre Julliard
parent 6d87a451a2
commit e31881a6c9
1 changed files with 248 additions and 120 deletions
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274
dlls/dwrite/layout.c
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@ -94,17 +94,18 @@ struct layout_range_attr_value {
};
enum layout_range_kind {
LAYOUT_RANGE_REGULAR
LAYOUT_RANGE_REGULAR,
LAYOUT_RANGE_STRIKETHROUGH
};
struct layout_range_header {
struct list entry;
enum layout_range_kind kind;
DWRITE_TEXT_RANGE range;
};
struct layout_range {
struct layout_range_header h;
DWRITE_TEXT_RANGE range;
DWRITE_FONT_WEIGHT weight;
DWRITE_FONT_STYLE style;
FLOAT fontsize;
@ -112,13 +113,17 @@ struct layout_range {
IDWriteInlineObject *object;
IUnknown *effect;
BOOL underline;
BOOL strikethrough;
BOOL pair_kerning;
IDWriteFontCollection *collection;
WCHAR locale[LOCALE_NAME_MAX_LENGTH];
WCHAR *fontfamily;
};
struct layout_range_bool {
struct layout_range_header h;
BOOL value;
};
enum layout_run_kind {
LAYOUT_RUN_REGULAR,
LAYOUT_RUN_INLINE
@ -195,6 +200,7 @@ struct dwrite_textlayout {
struct dwrite_textformat_data format;
FLOAT maxwidth;
FLOAT maxheight;
struct list strike_ranges;
struct list ranges;
struct list runs;
/* lists ready to use by Draw() */
@ -400,9 +406,9 @@ static HRESULT layout_update_breakpoints_range(struct dwrite_textlayout *layout,
memcpy(layout->actual_breakpoints, layout->nominal_breakpoints, sizeof(DWRITE_LINE_BREAKPOINT)*layout->len);
}
for (i = cur->range.startPosition; i < cur->range.length + cur->range.startPosition; i++) {
for (i = cur->h.range.startPosition; i < cur->h.range.length + cur->h.range.startPosition; i++) {
/* for first codepoint check if there's anything before it and update accordingly */
if (i == cur->range.startPosition) {
if (i == cur->h.range.startPosition) {
if (i > 0)
layout->actual_breakpoints[i].breakConditionBefore = layout->actual_breakpoints[i-1].breakConditionAfter =
override_break_condition(layout->actual_breakpoints[i-1].breakConditionAfter, before);
@ -411,7 +417,7 @@ static HRESULT layout_update_breakpoints_range(struct dwrite_textlayout *layout,
layout->actual_breakpoints[i].breakConditionAfter = DWRITE_BREAK_CONDITION_MAY_NOT_BREAK;
}
/* similar check for last codepoint */
else if (i == cur->range.startPosition + cur->range.length - 1) {
else if (i == cur->h.range.startPosition + cur->h.range.length - 1) {
if (i == layout->len - 1)
layout->actual_breakpoints[i].breakConditionAfter = after;
else
@ -566,7 +572,7 @@ static HRESULT layout_compute_runs(struct dwrite_textlayout *layout)
return E_OUTOFMEMORY;
r->u.object.object = range->object;
r->u.object.length = range->range.length;
r->u.object.length = range->h.range.length;
r->effect = range->effect;
list_add_tail(&layout->runs, &r->entry);
continue;
@ -574,13 +580,13 @@ static HRESULT layout_compute_runs(struct dwrite_textlayout *layout)
/* initial splitting by script */
hr = IDWriteTextAnalyzer_AnalyzeScript(analyzer, &layout->IDWriteTextAnalysisSource_iface,
range->range.startPosition, range->range.length, &layout->IDWriteTextAnalysisSink_iface);
range->h.range.startPosition, range->h.range.length, &layout->IDWriteTextAnalysisSink_iface);
if (FAILED(hr))
break;
/* this splits it further */
hr = IDWriteTextAnalyzer_AnalyzeBidi(analyzer, &layout->IDWriteTextAnalysisSource_iface,
range->range.startPosition, range->range.length, &layout->IDWriteTextAnalysisSink_iface);
range->h.range.startPosition, range->h.range.length, &layout->IDWriteTextAnalysisSink_iface);
if (FAILED(hr))
break;
}
@ -1002,8 +1008,11 @@ static inline BOOL validate_text_range(struct dwrite_textlayout *layout, DWRITE_
return TRUE;
}
static BOOL is_same_layout_attrvalue(struct layout_range const *range, enum layout_range_attr_kind attr, struct layout_range_attr_value *value)
static BOOL is_same_layout_attrvalue(struct layout_range_header const *h, enum layout_range_attr_kind attr, struct layout_range_attr_value *value)
{
struct layout_range_bool const *range_bool = (struct layout_range_bool*)h;
struct layout_range const *range = (struct layout_range*)h;
switch (attr) {
case LAYOUT_RANGE_ATTR_WEIGHT:
return range->weight == value->u.weight;
@ -1020,7 +1029,7 @@ static BOOL is_same_layout_attrvalue(struct layout_range const *range, enum layo
case LAYOUT_RANGE_ATTR_UNDERLINE:
return range->underline == value->u.underline;
case LAYOUT_RANGE_ATTR_STRIKETHROUGH:
return range->strikethrough == value->u.strikethrough;
return range_bool->value == value->u.strikethrough;
case LAYOUT_RANGE_ATTR_PAIR_KERNING:
return range->pair_kerning == value->u.pair_kerning;
case LAYOUT_RANGE_ATTR_FONTCOLL:
@ -1036,8 +1045,14 @@ static BOOL is_same_layout_attrvalue(struct layout_range const *range, enum layo
return FALSE;
}
static inline BOOL is_same_layout_attributes(struct layout_range const *left, struct layout_range const *right)
static inline BOOL is_same_layout_attributes(struct layout_range_header const *hleft, struct layout_range_header const *hright)
{
switch (hleft->kind)
{
case LAYOUT_RANGE_REGULAR:
{
struct layout_range const *left = (struct layout_range const*)hleft;
struct layout_range const *right = (struct layout_range const*)hright;
return left->weight == right->weight &&
left->style == right->style &&
left->stretch == right->stretch &&
@ -1045,11 +1060,21 @@ static inline BOOL is_same_layout_attributes(struct layout_range const *left, st
left->object == right->object &&
left->effect == right->effect &&
left->underline == right->underline &&
left->strikethrough == right->strikethrough &&
left->pair_kerning == right->pair_kerning &&
left->collection == right->collection &&
!strcmpW(left->locale, right->locale) &&
!strcmpW(left->fontfamily, right->fontfamily);
}
case LAYOUT_RANGE_STRIKETHROUGH:
{
struct layout_range_bool const *left = (struct layout_range_bool const*)hleft;
struct layout_range_bool const *right = (struct layout_range_bool const*)hright;
return left->value == right->value;
}
default:
FIXME("unknown range kind %d\n", hleft->kind);
return FALSE;
}
}
static inline BOOL is_same_text_range(const DWRITE_TEXT_RANGE *left, const DWRITE_TEXT_RANGE *right)
@ -1058,15 +1083,20 @@ static inline BOOL is_same_text_range(const DWRITE_TEXT_RANGE *left, const DWRIT
}
/* Allocates range and inits it with default values from text format. */
static struct layout_range *alloc_layout_range(struct dwrite_textlayout *layout, const DWRITE_TEXT_RANGE *r)
static struct layout_range_header *alloc_layout_range(struct dwrite_textlayout *layout, const DWRITE_TEXT_RANGE *r,
enum layout_range_kind kind)
{
struct layout_range_header *h;
switch (kind)
{
case LAYOUT_RANGE_REGULAR:
{
struct layout_range *range;
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;
range->stretch = layout->format.stretch;
@ -1074,7 +1104,6 @@ static struct layout_range *alloc_layout_range(struct dwrite_textlayout *layout,
range->object = NULL;
range->effect = NULL;
range->underline = FALSE;
range->strikethrough = FALSE;
range->pair_kerning = FALSE;
range->fontfamily = heap_strdupW(layout->format.family_name);
@ -1088,19 +1117,44 @@ static struct layout_range *alloc_layout_range(struct dwrite_textlayout *layout,
IDWriteFontCollection_AddRef(range->collection);
strcpyW(range->locale, layout->format.locale);
return range;
}
static struct layout_range *alloc_layout_range_from(struct layout_range *from, const DWRITE_TEXT_RANGE *r)
{
struct layout_range *range;
h = &range->h;
break;
}
case LAYOUT_RANGE_STRIKETHROUGH:
{
struct layout_range_bool *range;
range = heap_alloc(sizeof(*range));
if (!range) return NULL;
*range = *from;
range->range = *r;
range->value = FALSE;
h = &range->h;
break;
}
default:
FIXME("unknown range kind %d\n", kind);
return NULL;
}
h->kind = kind;
h->range = *r;
return h;
}
static struct layout_range_header *alloc_layout_range_from(struct layout_range_header *h, const DWRITE_TEXT_RANGE *r)
{
struct layout_range_header *ret;
switch (h->kind)
{
case LAYOUT_RANGE_REGULAR:
{
struct layout_range *from = (struct layout_range*)h;
struct layout_range *range = heap_alloc(sizeof(*range));
if (!range) return NULL;
*range = *from;
range->fontfamily = heap_strdupW(from->fontfamily);
if (!range->fontfamily) {
heap_free(range);
@ -1114,14 +1168,35 @@ static struct layout_range *alloc_layout_range_from(struct layout_range *from, c
IUnknown_AddRef(range->effect);
if (range->collection)
IDWriteFontCollection_AddRef(range->collection);
ret = &range->h;
break;
}
case LAYOUT_RANGE_STRIKETHROUGH:
{
struct layout_range_bool *strike = heap_alloc(sizeof(*strike));
if (!strike) return NULL;
return range;
*strike = *(struct layout_range_bool*)h;
ret = &strike->h;
break;
}
default:
FIXME("unknown range kind %d\n", h->kind);
return NULL;
}
ret->range = *r;
return ret;
}
static void free_layout_range(struct layout_range *range)
static void free_layout_range(struct layout_range_header *h)
{
if (!range)
if (!h)
return;
if (h->kind == LAYOUT_RANGE_REGULAR) {
struct layout_range *range = (struct layout_range*)h;
if (range->object)
IDWriteInlineObject_Release(range->object);
if (range->effect)
@ -1129,23 +1204,31 @@ static void free_layout_range(struct layout_range *range)
if (range->collection)
IDWriteFontCollection_Release(range->collection);
heap_free(range->fontfamily);
heap_free(range);
}
heap_free(h);
}
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, h.entry) {
list_remove(&cur->h.entry);
struct layout_range_header *cur, *cur2;
LIST_FOR_EACH_ENTRY_SAFE(cur, cur2, &layout->ranges, struct layout_range_header, entry) {
list_remove(&cur->entry);
free_layout_range(cur);
}
LIST_FOR_EACH_ENTRY_SAFE(cur, cur2, &layout->strike_ranges, struct layout_range_header, entry) {
list_remove(&cur->entry);
free_layout_range(cur);
}
}
static struct layout_range *find_outer_range(struct dwrite_textlayout *layout, const DWRITE_TEXT_RANGE *range)
static struct layout_range_header *find_outer_range(struct list *ranges, const DWRITE_TEXT_RANGE *range)
{
struct layout_range *cur;
struct layout_range_header *cur;
LIST_FOR_EACH_ENTRY(cur, &layout->ranges, struct layout_range, h.entry) {
LIST_FOR_EACH_ENTRY(cur, ranges, struct layout_range_header, entry) {
if (cur->range.startPosition > range->startPosition)
return NULL;
@ -1165,6 +1248,19 @@ 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, h.entry) {
DWRITE_TEXT_RANGE *r = &cur->h.range;
if (r->startPosition <= pos && pos < r->startPosition + r->length)
return cur;
}
return NULL;
}
static struct layout_range_header *get_layout_range_header_by_pos(struct list *ranges, UINT32 pos)
{
struct layout_range_header *cur;
LIST_FOR_EACH_ENTRY(cur, ranges, struct layout_range_header, entry) {
DWRITE_TEXT_RANGE *r = &cur->range;
if (r->startPosition <= pos && pos < r->startPosition + r->length)
return cur;
@ -1186,8 +1282,11 @@ static inline BOOL set_layout_range_iface_attr(IUnknown **dest, IUnknown *value)
return TRUE;
}
static BOOL set_layout_range_attrval(struct layout_range *dest, enum layout_range_attr_kind attr, struct layout_range_attr_value *value)
static BOOL set_layout_range_attrval(struct layout_range_header *h, enum layout_range_attr_kind attr, struct layout_range_attr_value *value)
{
struct layout_range_bool *dest_bool = (struct layout_range_bool*)h;
struct layout_range *dest = (struct layout_range*)h;
BOOL changed = FALSE;
switch (attr) {
@ -1218,8 +1317,8 @@ static BOOL set_layout_range_attrval(struct layout_range *dest, enum layout_rang
dest->underline = value->u.underline;
break;
case LAYOUT_RANGE_ATTR_STRIKETHROUGH:
changed = dest->strikethrough != value->u.strikethrough;
dest->strikethrough = value->u.strikethrough;
changed = dest_bool->value != value->u.strikethrough;
dest_bool->value = value->u.strikethrough;
break;
case LAYOUT_RANGE_ATTR_PAIR_KERNING:
changed = dest->pair_kerning != value->u.pair_kerning;
@ -1253,25 +1352,49 @@ static inline BOOL is_in_layout_range(const DWRITE_TEXT_RANGE *outer, const DWRI
(inner->startPosition + inner->length <= outer->startPosition + outer->length);
}
static inline HRESULT return_range(const struct layout_range *range, DWRITE_TEXT_RANGE *r)
static inline HRESULT return_range(const struct layout_range_header *h, DWRITE_TEXT_RANGE *r)
{
if (r) *r = range->range;
if (r) *r = h->range;
return S_OK;
}
/* Set attribute value for given range, does all needed splitting/merging of existing ranges. */
static HRESULT set_layout_range_attr(struct dwrite_textlayout *layout, enum layout_range_attr_kind attr, struct layout_range_attr_value *value)
{
struct layout_range *outer, *right, *left, *cur;
struct list *ranges = &layout->ranges;
struct layout_range_header *cur, *right, *left, *outer;
BOOL changed = FALSE;
struct list *ranges;
DWRITE_TEXT_RANGE r;
if (!validate_text_range(layout, &value->range))
return S_OK;
/* select from ranges lists */
switch (attr)
{
case LAYOUT_RANGE_ATTR_WEIGHT:
case LAYOUT_RANGE_ATTR_STYLE:
case LAYOUT_RANGE_ATTR_STRETCH:
case LAYOUT_RANGE_ATTR_FONTSIZE:
case LAYOUT_RANGE_ATTR_EFFECT:
case LAYOUT_RANGE_ATTR_INLINE:
case LAYOUT_RANGE_ATTR_UNDERLINE:
case LAYOUT_RANGE_ATTR_PAIR_KERNING:
case LAYOUT_RANGE_ATTR_FONTCOLL:
case LAYOUT_RANGE_ATTR_LOCALE:
case LAYOUT_RANGE_ATTR_FONTFAMILY:
ranges = &layout->ranges;
break;
case LAYOUT_RANGE_ATTR_STRIKETHROUGH:
ranges = &layout->strike_ranges;
break;
default:
FIXME("unknown attr kind %d\n", attr);
return E_FAIL;
}
/* If new range is completely within existing range, split existing range in two */
if ((outer = find_outer_range(layout, &value->range))) {
if ((outer = find_outer_range(ranges, &value->range))) {
/* no need to add same range */
if (is_same_layout_attrvalue(outer, attr, value))
@ -1289,7 +1412,7 @@ 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->h.entry, &left->h.entry);
list_add_before(&outer->entry, &left->entry);
outer->range.startPosition += value->range.length;
outer->range.length -= value->range.length;
goto done;
@ -1301,7 +1424,7 @@ 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->h.entry, &right->h.entry);
list_add_after(&outer->entry, &right->entry);
outer->range.length -= value->range.length;
goto done;
}
@ -1325,15 +1448,15 @@ 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->h.entry, &cur->h.entry);
list_add_after(&cur->h.entry, &right->h.entry);
list_add_after(&outer->entry, &cur->entry);
list_add_after(&cur->entry, &right->entry);
return S_OK;
}
/* Now it's only possible that given range contains some existing ranges, fully or partially.
Update all of them. */
left = get_layout_range_by_pos(layout, value->range.startPosition);
left = get_layout_range_header_by_pos(ranges, value->range.startPosition);
if (left->range.startPosition == value->range.startPosition)
changed = set_layout_range_attrval(left, attr, value);
else /* need to split */ {
@ -1342,14 +1465,14 @@ 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->h.entry, &cur->h.entry);
list_add_after(&left->entry, &cur->entry);
}
cur = LIST_ENTRY(list_next(ranges, &left->h.entry), struct layout_range, h.entry);
cur = LIST_ENTRY(list_next(ranges, &left->entry), struct layout_range_header, 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->h.entry), struct layout_range, h.entry);
cur = LIST_ENTRY(list_next(ranges, &cur->entry), struct layout_range_header, entry);
}
/* it's possible rightmost range intersects */
@ -1360,7 +1483,7 @@ 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->h.entry, &left->h.entry);
list_add_before(&cur->entry, &left->entry);
}
done:
@ -1370,9 +1493,9 @@ 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, h.entry);
struct layout_range_header *next_range = LIST_ENTRY(next, struct layout_range_header, entry);
cur = LIST_ENTRY(i, struct layout_range, h.entry);
cur = LIST_ENTRY(i, struct layout_range_header, entry);
if (is_same_layout_attributes(cur, next_range)) {
/* remove similar range */
cur->range.length += next_range->range.length;
@ -1419,7 +1542,7 @@ static HRESULT get_string_attribute_length(struct dwrite_textlayout *layout, enu
str = get_string_attribute_ptr(range, kind);
*length = strlenW(str);
return return_range(range, r);
return return_range(&range->h, r);
}
static HRESULT get_string_attribute_value(struct dwrite_textlayout *layout, enum layout_range_attr_kind kind, UINT32 position,
@ -1441,7 +1564,7 @@ static HRESULT get_string_attribute_value(struct dwrite_textlayout *layout, enum
return E_NOT_SUFFICIENT_BUFFER;
strcpyW(ret, str);
return return_range(range, r);
return return_range(&range->h, r);
}
static HRESULT WINAPI dwritetextlayout_QueryInterface(IDWriteTextLayout2 *iface, REFIID riid, void **obj)
@ -1881,7 +2004,7 @@ static HRESULT WINAPI dwritetextlayout_layout_GetFontCollection(IDWriteTextLayou
if (*collection)
IDWriteFontCollection_AddRef(*collection);
return return_range(range, r);
return return_range(&range->h, r);
}
static HRESULT WINAPI dwritetextlayout_layout_GetFontFamilyNameLength(IDWriteTextLayout2 *iface,
@ -1914,7 +2037,7 @@ static HRESULT WINAPI dwritetextlayout_layout_GetFontWeight(IDWriteTextLayout2 *
range = get_layout_range_by_pos(This, position);
*weight = range->weight;
return return_range(range, r);
return return_range(&range->h, r);
}
static HRESULT WINAPI dwritetextlayout_layout_GetFontStyle(IDWriteTextLayout2 *iface,
@ -1931,7 +2054,7 @@ static HRESULT WINAPI dwritetextlayout_layout_GetFontStyle(IDWriteTextLayout2 *i
range = get_layout_range_by_pos(This, position);
*style = range->style;
return return_range(range, r);
return return_range(&range->h, r);
}
static HRESULT WINAPI dwritetextlayout_layout_GetFontStretch(IDWriteTextLayout2 *iface,
@ -1948,7 +2071,7 @@ static HRESULT WINAPI dwritetextlayout_layout_GetFontStretch(IDWriteTextLayout2
range = get_layout_range_by_pos(This, position);
*stretch = range->stretch;
return return_range(range, r);
return return_range(&range->h, r);
}
static HRESULT WINAPI dwritetextlayout_layout_GetFontSize(IDWriteTextLayout2 *iface,
@ -1965,7 +2088,7 @@ static HRESULT WINAPI dwritetextlayout_layout_GetFontSize(IDWriteTextLayout2 *if
range = get_layout_range_by_pos(This, position);
*size = range->fontsize;
return return_range(range, r);
return return_range(&range->h, r);
}
static HRESULT WINAPI dwritetextlayout_GetUnderline(IDWriteTextLayout2 *iface,
@ -1982,24 +2105,24 @@ static HRESULT WINAPI dwritetextlayout_GetUnderline(IDWriteTextLayout2 *iface,
range = get_layout_range_by_pos(This, position);
*underline = range->underline;
return return_range(range, r);
return return_range(&range->h, r);
}
static HRESULT WINAPI dwritetextlayout_GetStrikethrough(IDWriteTextLayout2 *iface,
UINT32 position, BOOL *strikethrough, DWRITE_TEXT_RANGE *r)
{
struct dwrite_textlayout *This = impl_from_IDWriteTextLayout2(iface);
struct layout_range *range;
struct layout_range_bool *range;
TRACE("(%p)->(%u %p %p)\n", This, position, strikethrough, r);
if (position >= This->len)
return S_OK;
range = get_layout_range_by_pos(This, position);
*strikethrough = range->strikethrough;
range = (struct layout_range_bool*)get_layout_range_header_by_pos(&This->strike_ranges, position);
*strikethrough = range->value;
return return_range(range, r);
return return_range(&range->h, r);
}
static HRESULT WINAPI dwritetextlayout_GetDrawingEffect(IDWriteTextLayout2 *iface,
@ -2018,7 +2141,7 @@ static HRESULT WINAPI dwritetextlayout_GetDrawingEffect(IDWriteTextLayout2 *ifac
if (*effect)
IUnknown_AddRef(*effect);
return return_range(range, r);
return return_range(&range->h, r);
}
static HRESULT WINAPI dwritetextlayout_GetInlineObject(IDWriteTextLayout2 *iface,
@ -2037,7 +2160,7 @@ static HRESULT WINAPI dwritetextlayout_GetInlineObject(IDWriteTextLayout2 *iface
if (*object)
IDWriteInlineObject_AddRef(*object);
return return_range(range, r);
return return_range(&range->h, r);
}
static HRESULT WINAPI dwritetextlayout_GetTypography(IDWriteTextLayout2 *iface,
@ -2301,7 +2424,7 @@ static HRESULT WINAPI dwritetextlayout1_GetPairKerning(IDWriteTextLayout2 *iface
range = get_layout_range_by_pos(This, position);
*is_pairkerning_enabled = range->pair_kerning;
return return_range(range, r);
return return_range(&range->h, r);
}
static HRESULT WINAPI dwritetextlayout1_SetCharacterSpacing(IDWriteTextLayout2 *iface, FLOAT leading_spacing, FLOAT trailing_spacing,
@ -3059,8 +3182,8 @@ static HRESULT layout_format_from_textformat(struct dwrite_textlayout *layout, I
static HRESULT init_textlayout(const WCHAR *str, UINT32 len, IDWriteTextFormat *format, FLOAT maxwidth, FLOAT maxheight, struct dwrite_textlayout *layout)
{
struct layout_range_header *range, *strike;
DWRITE_TEXT_RANGE r = { 0, len };
struct layout_range *range;
HRESULT hr;
layout->IDWriteTextLayout2_iface.lpVtbl = &dwritetextlayoutvtbl;
@ -3085,6 +3208,7 @@ static HRESULT init_textlayout(const WCHAR *str, UINT32 len, IDWriteTextFormat *
list_init(&layout->inlineobjects);
list_init(&layout->runs);
list_init(&layout->ranges);
list_init(&layout->strike_ranges);
memset(&layout->format, 0, sizeof(layout->format));
layout->gdicompatible = FALSE;
@ -3102,13 +3226,17 @@ static HRESULT init_textlayout(const WCHAR *str, UINT32 len, IDWriteTextFormat *
if (FAILED(hr))
goto fail;
range = alloc_layout_range(layout, &r);
if (!range) {
range = alloc_layout_range(layout, &r, LAYOUT_RANGE_REGULAR);
strike = alloc_layout_range(layout, &r, LAYOUT_RANGE_STRIKETHROUGH);
if (!range || !strike) {
free_layout_range(range);
free_layout_range(strike);
hr = E_OUTOFMEMORY;
goto fail;
}
list_add_head(&layout->ranges, &range->h.entry);
list_add_head(&layout->ranges, &range->entry);
list_add_head(&layout->strike_ranges, &strike->entry);
return S_OK;
fail: