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Commit 12a1ca5c authored by Nikolay Sivov's avatar Nikolay Sivov Committed by Alexandre Julliard
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dwrite: Do not create fontface instance for GetUnicodeRanges().

Signed-off-by: 's avatarNikolay Sivov <nsivov@codeweavers.com> Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent 6c1aff9f
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Showing with 37 additions and 21 deletions
dlls/dwrite/dwrite_private.h
View file @ 12a1ca5c
......@@ -327,7 +327,7 @@ extern const void* get_fontface_table(IDWriteFontFace5 *fontface, UINT32 tag,
extern HRESULT opentype_analyze_font(IDWriteFontFileStream*,BOOL*,DWRITE_FONT_FILE_TYPE*,DWRITE_FONT_FACE_TYPE*,UINT32*) DECLSPEC_HIDDEN;
extern HRESULT opentype_try_get_font_table(const 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,
extern HRESULT opentype_cmap_get_unicode_ranges(const struct file_stream_desc *stream_desc, 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;
extern void opentype_get_font_metrics(struct file_stream_desc*,DWRITE_FONT_METRICS1*,DWRITE_CARET_METRICS*) DECLSPEC_HIDDEN;
......
dlls/dwrite/font.c
View file @ 12a1ca5c
......@@ -972,6 +972,7 @@ static HRESULT WINAPI dwritefontface1_GetUnicodeRanges(IDWriteFontFace5 *iface,
DWRITE_UNICODE_RANGE *ranges, UINT32 *count)
{
struct dwrite_fontface *fontface = impl_from_IDWriteFontFace5(iface);
struct file_stream_desc stream_desc;
TRACE("%p, %u, %p, %p.\n", iface, max_count, ranges, count);
......@@ -979,8 +980,10 @@ static HRESULT WINAPI dwritefontface1_GetUnicodeRanges(IDWriteFontFace5 *iface,
if (max_count && !ranges)
return E_INVALIDARG;
get_fontface_table(iface, MS_CMAP_TAG, &fontface->cmap);
return opentype_cmap_get_unicode_ranges(&fontface->cmap, max_count, ranges, count);
stream_desc.stream = fontface->stream;
stream_desc.face_index = fontface->index;
stream_desc.face_type = fontface->type;
return opentype_cmap_get_unicode_ranges(&stream_desc, max_count, ranges, count);
}
static BOOL WINAPI dwritefontface1_IsMonospacedFont(IDWriteFontFace5 *iface)
......@@ -1795,20 +1798,25 @@ static void WINAPI dwritefont1_GetPanose(IDWriteFont3 *iface, DWRITE_PANOSE *pan
*panose = This->data->panose;
}
static HRESULT WINAPI dwritefont1_GetUnicodeRanges(IDWriteFont3 *iface, UINT32 max_count, DWRITE_UNICODE_RANGE *ranges, UINT32 *count)
static HRESULT WINAPI dwritefont1_GetUnicodeRanges(IDWriteFont3 *iface, UINT32 max_count, DWRITE_UNICODE_RANGE *ranges,
UINT32 *count)
{
struct dwrite_font *font = impl_from_IDWriteFont3(iface);
IDWriteFontFace5 *fontface;
struct file_stream_desc stream_desc;
HRESULT hr;
TRACE("%p, %u, %p, %p.\n", iface, max_count, ranges, count);
hr = get_fontface_from_font(font, &fontface);
if (FAILED(hr))
return hr;
*count = 0;
if (max_count && !ranges)
return E_INVALIDARG;
hr = IDWriteFontFace5_GetUnicodeRanges(fontface, max_count, ranges, count);
IDWriteFontFace5_Release(fontface);
if (FAILED(hr = get_filestream_from_file(font->data->file, &stream_desc.stream)))
return hr;
stream_desc.face_index = font->data->face_index;
stream_desc.face_type = font->data->face_type;
hr = opentype_cmap_get_unicode_ranges(&stream_desc, max_count, ranges, count);
IDWriteFontFileStream_Release(stream_desc.stream);
return hr;
}
......
dlls/dwrite/opentype.c
View file @ 12a1ca5c
......@@ -1521,22 +1521,28 @@ static unsigned int opentype_cmap_get_unicode_ranges_count(const struct dwrite_f
return count;
}
HRESULT opentype_cmap_get_unicode_ranges(const struct dwrite_fonttable *cmap, unsigned int max_count,
HRESULT opentype_cmap_get_unicode_ranges(const struct file_stream_desc *stream_desc, unsigned int max_count,
DWRITE_UNICODE_RANGE *ranges, unsigned int *count)
{
unsigned int i, num_tables, k = 0;
const struct cmap_header *header;
struct dwrite_fonttable cmap;
opentype_get_font_table(stream_desc, MS_CMAP_TAG, &cmap);
if (!cmap->exists)
if (!cmap.exists)
return E_FAIL;
*count = opentype_cmap_get_unicode_ranges_count(cmap);
*count = opentype_cmap_get_unicode_ranges_count(&cmap);
num_tables = table_read_be_word(cmap, FIELD_OFFSET(struct cmap_header, num_tables));
header = table_read_ensure(cmap, 0, FIELD_OFFSET(struct cmap_header, tables[num_tables]));
num_tables = table_read_be_word(&cmap, FIELD_OFFSET(struct cmap_header, num_tables));
header = table_read_ensure(&cmap, 0, FIELD_OFFSET(struct cmap_header, tables[num_tables]));
if (!header)
{
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, cmap.context);
return S_OK;
}
for (i = 0; i < num_tables && k < max_count; ++i)
{
......@@ -1547,18 +1553,18 @@ HRESULT opentype_cmap_get_unicode_ranges(const struct dwrite_fonttable *cmap, un
offset = GET_BE_DWORD(header->tables[i].offset);
format = table_read_be_word(cmap, offset);
format = table_read_be_word(&cmap, offset);
switch (format)
{
case OPENTYPE_CMAP_TABLE_SEGMENT_MAPPING:
{
unsigned int segment_count = table_read_be_word(cmap, offset +
unsigned int segment_count = table_read_be_word(&cmap, offset +
FIELD_OFFSET(struct cmap_segment_mapping, seg_count_x2)) / 2;
const UINT16 *start_code = table_read_ensure(cmap, offset,
const UINT16 *start_code = table_read_ensure(&cmap, offset,
FIELD_OFFSET(struct cmap_segment_mapping, end_code[segment_count]) +
2 /* reservedPad */ +
2 * segment_count /* start code array */);
const UINT16 *end_code = table_read_ensure(cmap, offset,
const UINT16 *end_code = table_read_ensure(&cmap, offset,
FIELD_OFFSET(struct cmap_segment_mapping, end_code[segment_count]));
if (!start_code || !end_code)
......@@ -1573,11 +1579,11 @@ HRESULT opentype_cmap_get_unicode_ranges(const struct dwrite_fonttable *cmap, un
}
case OPENTYPE_CMAP_TABLE_SEGMENTED_COVERAGE:
{
unsigned int num_groups = table_read_be_dword(cmap, offset +
unsigned int num_groups = table_read_be_dword(&cmap, offset +
FIELD_OFFSET(struct cmap_segmented_coverage, num_groups));
const struct cmap_segmented_coverage *coverage;
coverage = table_read_ensure(cmap, offset,
coverage = table_read_ensure(&cmap, offset,
FIELD_OFFSET(struct cmap_segmented_coverage, groups[num_groups]));
for (j = 0; j < num_groups && k < max_count; j++, k++)
......@@ -1592,6 +1598,8 @@ HRESULT opentype_cmap_get_unicode_ranges(const struct dwrite_fonttable *cmap, un
}
}
IDWriteFontFileStream_ReleaseFileFragment(stream_desc->stream, cmap.context);
return *count > max_count ? E_NOT_SUFFICIENT_BUFFER : S_OK;
}
......
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