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dwrite: Add a helper specifically for TryGetFontTable(). 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2020-01-23 12:24:11 +03:00 committed by Alexandre Julliard
parent 8d1b119b2e
commit 107599531a
3 changed files with 61 additions and 39 deletions
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3
dlls/dwrite/dwrite_private.h
View File

@ -310,7 +310,8 @@ extern const void* get_fontface_table(IDWriteFontFace5 *fontface, UINT32 tag,
struct dwrite_fonttable *table) DECLSPEC_HIDDEN;
extern HRESULT opentype_analyze_font(IDWriteFontFileStream*,BOOL*,DWRITE_FONT_FILE_TYPE*,DWRITE_FONT_FACE_TYPE*,UINT32*) DECLSPEC_HIDDEN;
extern HRESULT opentype_get_font_table(struct file_stream_desc*,UINT32,const void**,void**,UINT32*,BOOL*) DECLSPEC_HIDDEN;
extern HRESULT opentype_try_get_font_table(struct file_stream_desc *stream_desc, UINT32 tag, const void **data,
void **context, UINT32 *size, BOOL *exists) DECLSPEC_HIDDEN;
extern HRESULT opentype_cmap_get_unicode_ranges(const struct dwrite_fonttable *table, unsigned int max_count,
DWRITE_UNICODE_RANGE *ranges, unsigned int *count) DECLSPEC_HIDDEN;
extern void opentype_get_font_properties(struct file_stream_desc*,struct dwrite_font_props*) DECLSPEC_HIDDEN;

2
dlls/dwrite/font.c
View File

@ -707,7 +707,7 @@ static HRESULT WINAPI dwritefontface_TryGetFontTable(IDWriteFontFace5 *iface, UI
stream_desc.stream = fontface->stream;
stream_desc.face_type = fontface->type;
stream_desc.face_index = fontface->index;
return opentype_get_font_table(&stream_desc, table_tag, table_data, context, table_size, exists);
return opentype_try_get_font_table(&stream_desc, table_tag, table_data, context, table_size, exists);
}
static void WINAPI dwritefontface_ReleaseFontTable(IDWriteFontFace5 *iface, void *table_context)

95
dlls/dwrite/opentype.c
View File

@ -1366,7 +1366,7 @@ HRESULT opentype_analyze_font(IDWriteFontFileStream *stream, BOOL *supported, DW
return S_OK;
}
HRESULT opentype_get_font_table(struct file_stream_desc *stream_desc, UINT32 tag, const void **table_data,
HRESULT opentype_try_get_font_table(struct file_stream_desc *stream_desc, UINT32 tag, const void **table_data,
void **table_context, UINT32 *table_size, BOOL *found)
{
void *table_directory_context, *sfnt_context;
@ -1434,6 +1434,12 @@ HRESULT opentype_get_font_table(struct file_stream_desc *stream_desc, UINT32 tag
return hr;
}
static HRESULT opentype_get_font_table(struct file_stream_desc *stream_desc, UINT32 tag,
struct dwrite_fonttable *table)
{
return opentype_try_get_font_table(stream_desc, tag, (const void **)&table->data, &table->context, &table->size, &table->exists);
}
/**********
* CMAP
**********/
@ -1555,15 +1561,15 @@ HRESULT opentype_cmap_get_unicode_ranges(const struct dwrite_fonttable *cmap, un
void opentype_get_font_typo_metrics(struct file_stream_desc *stream_desc, unsigned int *ascent, unsigned int *descent)
{
struct dwrite_fonttable os2;
const TT_OS2_V2 *data;
unsigned int size;
void *context;
opentype_get_font_table(stream_desc, MS_OS2_TAG, (const void **)&data, &context, &size, NULL);
opentype_get_font_table(stream_desc, MS_OS2_TAG, &os2);
data = (const TT_OS2_V2 *)os2.data;
*ascent = *descent = 0;
if (size >= FIELD_OFFSET(TT_OS2_V2, sTypoLineGap))
if (os2.size >= FIELD_OFFSET(TT_OS2_V2, sTypoLineGap))
{
SHORT value = GET_BE_WORD(data->sTypoDescender);
*ascent = GET_BE_WORD(data->sTypoAscender);
@ -1571,12 +1577,12 @@ void opentype_get_font_typo_metrics(struct file_stream_desc *stream_desc, unsign
}
if (data)
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, context);
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, os2.context);
}
void opentype_get_font_metrics(struct file_stream_desc *stream_desc, DWRITE_FONT_METRICS1 *metrics, DWRITE_CARET_METRICS *caret)
{
void *os2_context, *head_context, *post_context, *hhea_context;
struct dwrite_fonttable os2, head, post, hhea;
const TT_OS2_V2 *tt_os2;
const TT_HEAD *tt_head;
const TT_POST *tt_post;
@ -1584,10 +1590,15 @@ void opentype_get_font_metrics(struct file_stream_desc *stream_desc, DWRITE_FONT
memset(metrics, 0, sizeof(*metrics));
opentype_get_font_table(stream_desc, MS_OS2_TAG, (const void**)&tt_os2, &os2_context, NULL, NULL);
opentype_get_font_table(stream_desc, MS_HEAD_TAG, (const void**)&tt_head, &head_context, NULL, NULL);
opentype_get_font_table(stream_desc, MS_POST_TAG, (const void**)&tt_post, &post_context, NULL, NULL);
opentype_get_font_table(stream_desc, MS_HHEA_TAG, (const void**)&tt_hhea, &hhea_context, NULL, NULL);
opentype_get_font_table(stream_desc, MS_OS2_TAG, &os2);
opentype_get_font_table(stream_desc, MS_HEAD_TAG, &head);
opentype_get_font_table(stream_desc, MS_POST_TAG, &post);
opentype_get_font_table(stream_desc, MS_HHEA_TAG, &hhea);
tt_head = (const TT_HEAD *)head.data;
tt_os2 = (const TT_OS2_V2 *)os2.data;
tt_post = (const TT_POST *)post.data;
tt_hhea = (const TT_HHEA *)hhea.data;
if (tt_head) {
metrics->designUnitsPerEm = GET_BE_WORD(tt_head->unitsPerEm);
@ -1597,7 +1608,8 @@ void opentype_get_font_metrics(struct file_stream_desc *stream_desc, DWRITE_FONT
metrics->glyphBoxBottom = GET_BE_WORD(tt_head->yMin);
}
if (caret) {
if (caret)
{
if (tt_hhea) {
caret->slopeRise = GET_BE_WORD(tt_hhea->caretSlopeRise);
caret->slopeRun = GET_BE_WORD(tt_hhea->caretSlopeRun);
@ -1679,23 +1691,26 @@ void opentype_get_font_metrics(struct file_stream_desc *stream_desc, DWRITE_FONT
metrics->capHeight = metrics->designUnitsPerEm * 7 / 10;
if (tt_os2)
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, os2_context);
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, os2.context);
if (tt_head)
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, head_context);
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, head.context);
if (tt_post)
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, post_context);
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, post.context);
if (tt_hhea)
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, hhea_context);
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, hhea.context);
}
void opentype_get_font_properties(struct file_stream_desc *stream_desc, struct dwrite_font_props *props)
{
void *os2_context, *head_context;
struct dwrite_fonttable os2, head;
const TT_OS2_V2 *tt_os2;
const TT_HEAD *tt_head;
opentype_get_font_table(stream_desc, MS_OS2_TAG, (const void**)&tt_os2, &os2_context, NULL, NULL);
opentype_get_font_table(stream_desc, MS_HEAD_TAG, (const void**)&tt_head, &head_context, NULL, NULL);
opentype_get_font_table(stream_desc, MS_OS2_TAG, &os2);
opentype_get_font_table(stream_desc, MS_HEAD_TAG, &head);
tt_os2 = (const TT_OS2_V2 *)os2.data;
tt_head = (const TT_HEAD *)head.data;
/* default stretch, weight and style to normal */
props->stretch = DWRITE_FONT_STRETCH_NORMAL;
@ -1767,10 +1782,10 @@ void opentype_get_font_properties(struct file_stream_desc *stream_desc, struct d
TRACE("stretch=%d, weight=%d, style %d\n", props->stretch, props->weight, props->style);
if (tt_os2)
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, os2_context);
if (tt_head)
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, head_context);
if (os2.data)
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, os2.context);
if (head.data)
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, head.context);
}
static UINT get_name_record_codepage(enum OPENTYPE_PLATFORM_ID platform, USHORT encoding)
@ -2026,13 +2041,16 @@ HRESULT opentype_get_font_info_strings(const void *table_data, DWRITE_INFORMATIO
have 'Preferred Family Name' in WWS format, then WWS name is not used. */
HRESULT opentype_get_font_familyname(struct file_stream_desc *stream_desc, IDWriteLocalizedStrings **names)
{
struct dwrite_fonttable os2, name;
const TT_OS2_V2 *tt_os2;
void *os2_context, *name_context;
const void *name_table;
HRESULT hr;
opentype_get_font_table(stream_desc, MS_OS2_TAG, (const void**)&tt_os2, &os2_context, NULL, NULL);
opentype_get_font_table(stream_desc, MS_NAME_TAG, &name_table, &name_context, NULL, NULL);
opentype_get_font_table(stream_desc, MS_OS2_TAG, &os2);
opentype_get_font_table(stream_desc, MS_NAME_TAG, &name);
tt_os2 = (const TT_OS2_V2 *)os2.data;
name_table = (const void *)name.data;
*names = NULL;
@ -2047,10 +2065,10 @@ HRESULT opentype_get_font_familyname(struct file_stream_desc *stream_desc, IDWri
if (FAILED(hr))
hr = opentype_get_font_strings_from_id(name_table, OPENTYPE_STRING_FAMILY_NAME, names);
if (tt_os2)
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, os2_context);
if (name_context)
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, name_context);
if (os2.context)
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, os2.context);
if (name.context)
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, name.context);
return hr;
}
@ -2059,14 +2077,17 @@ HRESULT opentype_get_font_familyname(struct file_stream_desc *stream_desc, IDWri
have 'Preferred Face Name' in WWS format, then WWS name is not used. */
HRESULT opentype_get_font_facename(struct file_stream_desc *stream_desc, WCHAR *lfname, IDWriteLocalizedStrings **names)
{
struct dwrite_fonttable os2, name;
IDWriteLocalizedStrings *lfnames;
void *os2_context, *name_context;
const TT_OS2_V2 *tt_os2;
const void *name_table;
HRESULT hr;
opentype_get_font_table(stream_desc, MS_OS2_TAG, (const void**)&tt_os2, &os2_context, NULL, NULL);
opentype_get_font_table(stream_desc, MS_NAME_TAG, &name_table, &name_context, NULL, NULL);
opentype_get_font_table(stream_desc, MS_OS2_TAG, &os2);
opentype_get_font_table(stream_desc, MS_NAME_TAG, &name);
tt_os2 = (const TT_OS2_V2 *)os2.data;
name_table = name.data;
*names = NULL;
@ -2113,10 +2134,10 @@ HRESULT opentype_get_font_facename(struct file_stream_desc *stream_desc, WCHAR *
IDWriteLocalizedStrings_Release(lfnames);
}
if (tt_os2)
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, os2_context);
if (name_context)
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, name_context);
if (os2.context)
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, os2.context);
if (name.context)
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, name.context);
return hr;
}