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Sweden-Number/dlls/dwrite/font.c

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/*
* Font and collections
*
* Copyright 2012 Nikolay Sivov for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define COBJMACROS
#include "dwrite.h"
#include "dwrite_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(dwrite);
#define MS_MAKE_TAG(ch0, ch1, ch2, ch3) \
((DWORD)(BYTE)(ch0) | ((DWORD)(BYTE)(ch1) << 8) | \
((DWORD)(BYTE)(ch2) << 16) | ((DWORD)(BYTE)(ch3) << 24))
#define MS_HEAD_TAG MS_MAKE_TAG('h','e','a','d')
#define MS_OS2_TAG MS_MAKE_TAG('O','S','/','2')
#define MS_POST_TAG MS_MAKE_TAG('p','o','s','t')
#define MS_CMAP_TAG MS_MAKE_TAG('c','m','a','p')
struct dwrite_fontface_data {
LONG ref;
DWRITE_FONT_FACE_TYPE type;
UINT32 file_count;
IDWriteFontFile ** files;
DWRITE_FONT_SIMULATIONS simulations;
UINT32 index;
};
struct dwrite_font_data {
LONG ref;
DWRITE_FONT_STYLE style;
DWRITE_FONT_STRETCH stretch;
DWRITE_FONT_WEIGHT weight;
DWRITE_FONT_SIMULATIONS simulations;
DWRITE_FONT_METRICS metrics;
struct dwrite_fontface_data *face_data;
WCHAR *facename;
};
struct dwrite_fontfamily_data {
IDWriteLocalizedStrings *familyname;
struct dwrite_font_data **fonts;
UINT32 font_count;
UINT32 alloc;
};
struct dwrite_fontcollection {
IDWriteFontCollection IDWriteFontCollection_iface;
LONG ref;
WCHAR **families;
UINT32 count;
int alloc;
};
struct dwrite_fontfamily {
IDWriteFontFamily IDWriteFontFamily_iface;
LONG ref;
struct dwrite_fontfamily_data *data;
IDWriteFontCollection* collection;
};
struct dwrite_font {
IDWriteFont IDWriteFont_iface;
LONG ref;
BOOL is_system;
IDWriteFontFamily *family;
IDWriteFontFace *face;
struct dwrite_font_data *data;
};
#define DWRITE_FONTTABLE_MAGIC 0xededfafa
struct dwrite_fonttable {
UINT32 magic;
LPVOID context;
UINT32 file_index;
};
struct dwrite_fontface {
IDWriteFontFace IDWriteFontFace_iface;
LONG ref;
struct dwrite_fontface_data *data;
LPVOID CMAP_table;
LPVOID CMAP_context;
DWORD CMAP_size;
BOOL is_system;
LOGFONTW logfont;
};
struct dwrite_fontfile {
IDWriteFontFile IDWriteFontFile_iface;
LONG ref;
IDWriteFontFileLoader *loader;
void *reference_key;
UINT32 key_size;
IDWriteFontFileStream *stream;
};
static HRESULT create_fontfamily(IDWriteLocalizedStrings *familyname, IDWriteFontFamily **family);
static HRESULT create_font_base(IDWriteFont **font);
static HRESULT create_font_from_data(struct dwrite_font_data *data, IDWriteFont **font);
static inline struct dwrite_fontface *impl_from_IDWriteFontFace(IDWriteFontFace *iface)
{
return CONTAINING_RECORD(iface, struct dwrite_fontface, IDWriteFontFace_iface);
}
static inline struct dwrite_font *impl_from_IDWriteFont(IDWriteFont *iface)
{
return CONTAINING_RECORD(iface, struct dwrite_font, IDWriteFont_iface);
}
static inline struct dwrite_fontfile *impl_from_IDWriteFontFile(IDWriteFontFile *iface)
{
return CONTAINING_RECORD(iface, struct dwrite_fontfile, IDWriteFontFile_iface);
}
static inline struct dwrite_fontfamily *impl_from_IDWriteFontFamily(IDWriteFontFamily *iface)
{
return CONTAINING_RECORD(iface, struct dwrite_fontfamily, IDWriteFontFamily_iface);
}
static inline struct dwrite_fontcollection *impl_from_IDWriteFontCollection(IDWriteFontCollection *iface)
{
return CONTAINING_RECORD(iface, struct dwrite_fontcollection, IDWriteFontCollection_iface);
}
static HRESULT _dwritefontfile_GetFontFileStream(IDWriteFontFile *iface, IDWriteFontFileStream **stream)
{
HRESULT hr;
struct dwrite_fontfile *This = impl_from_IDWriteFontFile(iface);
if (!This->stream)
{
hr = IDWriteFontFileLoader_CreateStreamFromKey(This->loader, This->reference_key, This->key_size, &This->stream);
if (FAILED(hr))
return hr;
}
if (This->stream)
{
IDWriteFontFileStream_AddRef(This->stream);
*stream = This->stream;
return S_OK;
}
return E_FAIL;
}
static VOID _free_fontface_data(struct dwrite_fontface_data *data)
{
int i;
if (!data)
return;
i = InterlockedDecrement(&data->ref);
if (i > 0)
return;
for (i = 0; i < data->file_count; i++)
IDWriteFontFile_Release(data->files[i]);
heap_free(data->files);
heap_free(data);
}
static VOID _free_font_data(struct dwrite_font_data *data)
{
int i;
if (!data)
return;
i = InterlockedDecrement(&data->ref);
if (i > 0)
return;
_free_fontface_data(data->face_data);
heap_free(data->facename);
heap_free(data);
}
static HRESULT WINAPI dwritefontface_QueryInterface(IDWriteFontFace *iface, REFIID riid, void **obj)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDWriteFontFace))
{
*obj = iface;
IDWriteFontFace_AddRef(iface);
return S_OK;
}
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI dwritefontface_AddRef(IDWriteFontFace *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
return ref;
}
static ULONG WINAPI dwritefontface_Release(IDWriteFontFace *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
if (!ref)
{
if (This->CMAP_context)
IDWriteFontFace_ReleaseFontTable(iface, This->CMAP_context);
_free_fontface_data(This->data);
heap_free(This);
}
return ref;
}
static DWRITE_FONT_FACE_TYPE WINAPI dwritefontface_GetType(IDWriteFontFace *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
TRACE("(%p)\n", This);
return This->data->type;
}
static HRESULT WINAPI dwritefontface_GetFiles(IDWriteFontFace *iface, UINT32 *number_of_files,
IDWriteFontFile **fontfiles)
{
int i;
struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
TRACE("(%p)->(%p %p)\n", This, number_of_files, fontfiles);
if (fontfiles == NULL)
{
*number_of_files = This->data->file_count;
return S_OK;
}
if (*number_of_files < This->data->file_count)
return E_INVALIDARG;
for (i = 0; i < This->data->file_count; i++)
{
IDWriteFontFile_AddRef(This->data->files[i]);
fontfiles[i] = This->data->files[i];
}
return S_OK;
}
static UINT32 WINAPI dwritefontface_GetIndex(IDWriteFontFace *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
TRACE("(%p)\n", This);
return This->data->index;
}
static DWRITE_FONT_SIMULATIONS WINAPI dwritefontface_GetSimulations(IDWriteFontFace *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
TRACE("(%p)\n", This);
return This->data->simulations;
}
static BOOL WINAPI dwritefontface_IsSymbolFont(IDWriteFontFace *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
FIXME("(%p): stub\n", This);
return FALSE;
}
static void WINAPI dwritefontface_GetMetrics(IDWriteFontFace *iface, DWRITE_FONT_METRICS *metrics)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
FIXME("(%p)->(%p): stub\n", This, metrics);
}
static UINT16 WINAPI dwritefontface_GetGlyphCount(IDWriteFontFace *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
FIXME("(%p): stub\n", This);
return 0;
}
static HRESULT WINAPI dwritefontface_GetDesignGlyphMetrics(IDWriteFontFace *iface,
UINT16 const *glyph_indices, UINT32 glyph_count, DWRITE_GLYPH_METRICS *metrics, BOOL is_sideways)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
FIXME("(%p)->(%p %u %p %d): stub\n", This, glyph_indices, glyph_count, metrics, is_sideways);
return E_NOTIMPL;
}
static HRESULT WINAPI dwritefontface_GetGlyphIndices(IDWriteFontFace *iface, UINT32 const *codepoints,
UINT32 count, UINT16 *glyph_indices)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
unsigned int i;
if (This->is_system)
{
HFONT hfont;
WCHAR *str;
HDC hdc;
TRACE("(%p)->(%p %u %p)\n", This, codepoints, count, glyph_indices);
str = heap_alloc(count*sizeof(WCHAR));
if (!str) return E_OUTOFMEMORY;
for (i = 0; i < count; i++)
str[i] = codepoints[i] < 0x10000 ? codepoints[i] : '?';
hdc = CreateCompatibleDC(0);
hfont = CreateFontIndirectW(&This->logfont);
SelectObject(hdc, hfont);
GetGlyphIndicesW(hdc, str, count, glyph_indices, 0);
heap_free(str);
DeleteDC(hdc);
DeleteObject(hfont);
return S_OK;
}
else
{
HRESULT hr;
TRACE("(%p)->(%p %u %p)\n", This, codepoints, count, glyph_indices);
if (!This->CMAP_table)
{
BOOL exists = FALSE;
hr = IDWriteFontFace_TryGetFontTable(iface, MS_CMAP_TAG, (const void**)&This->CMAP_table, &This->CMAP_size, &This->CMAP_context, &exists);
if (FAILED(hr) || !exists)
{
ERR("Font does not have a CMAP table\n");
return E_FAIL;
}
}
for (i = 0; i < count; i++)
{
OpenType_CMAP_GetGlyphIndex(This->CMAP_table, codepoints[i], &glyph_indices[i], 0);
}
return S_OK;
}
}
static HRESULT WINAPI dwritefontface_TryGetFontTable(IDWriteFontFace *iface, UINT32 table_tag,
const void **table_data, UINT32 *table_size, void **context, BOOL *exists)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
if (This->is_system)
{
FIXME("(%p)->(%u %p %p %p %p): stub\n", This, table_tag, table_data, table_size, context, exists);
return E_NOTIMPL;
}
else
{
HRESULT hr = S_OK;
int i;
struct dwrite_fonttable *table;
TRACE("(%p)->(%u %p %p %p %p)\n", This, table_tag, table_data, table_size, context, exists);
table = heap_alloc(sizeof(struct dwrite_fonttable));
if (!table)
return E_OUTOFMEMORY;
table->magic = DWRITE_FONTTABLE_MAGIC;
*exists = FALSE;
for (i = 0; i < This->data->file_count && !(*exists); i++)
{
IDWriteFontFileStream *stream;
hr = _dwritefontfile_GetFontFileStream(This->data->files[i], &stream);
if (FAILED(hr))
continue;
table->file_index = i;
hr = find_font_table(stream, This->data->index, table_tag, table_data, &table->context, table_size, exists);
IDWriteFontFileStream_Release(stream);
}
if (FAILED(hr) && !*exists)
heap_free(table);
else
*context = (LPVOID)table;
return hr;
}
}
static void WINAPI dwritefontface_ReleaseFontTable(IDWriteFontFace *iface, void *table_context)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
struct dwrite_fonttable *table = (struct dwrite_fonttable *)table_context;
IDWriteFontFileStream *stream;
HRESULT hr;
TRACE("(%p)->(%p)\n", This, table_context);
if (table->magic != DWRITE_FONTTABLE_MAGIC)
{
TRACE("Invalid table magic\n");
return;
}
hr = _dwritefontfile_GetFontFileStream(This->data->files[table->file_index], &stream);
if (FAILED(hr))
return;
IDWriteFontFileStream_ReleaseFileFragment(stream, table->context);
IDWriteFontFileStream_Release(stream);
heap_free(table);
}
static HRESULT WINAPI dwritefontface_GetGlyphRunOutline(IDWriteFontFace *iface, FLOAT emSize,
UINT16 const *glyph_indices, FLOAT const* glyph_advances, DWRITE_GLYPH_OFFSET const *glyph_offsets,
UINT32 glyph_count, BOOL is_sideways, BOOL is_rtl, IDWriteGeometrySink *geometrysink)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
FIXME("(%p)->(%f %p %p %p %u %d %d %p): stub\n", This, emSize, glyph_indices, glyph_advances, glyph_offsets,
glyph_count, is_sideways, is_rtl, geometrysink);
return E_NOTIMPL;
}
static HRESULT WINAPI dwritefontface_GetRecommendedRenderingMode(IDWriteFontFace *iface, FLOAT emSize,
FLOAT pixels_per_dip, DWRITE_MEASURING_MODE mode, IDWriteRenderingParams* params, DWRITE_RENDERING_MODE* rendering_mode)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
FIXME("(%p)->(%f %f %d %p %p): stub\n", This, emSize, pixels_per_dip, mode, params, rendering_mode);
return E_NOTIMPL;
}
static HRESULT WINAPI dwritefontface_GetGdiCompatibleMetrics(IDWriteFontFace *iface, FLOAT emSize, FLOAT pixels_per_dip,
DWRITE_MATRIX const *transform, DWRITE_FONT_METRICS *metrics)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
FIXME("(%p)->(%f %f %p %p): stub\n", This, emSize, pixels_per_dip, transform, metrics);
return E_NOTIMPL;
}
static HRESULT WINAPI dwritefontface_GetGdiCompatibleGlyphMetrics(IDWriteFontFace *iface, FLOAT emSize, FLOAT pixels_per_dip,
DWRITE_MATRIX const *transform, BOOL use_gdi_natural, UINT16 const *glyph_indices, UINT32 glyph_count,
DWRITE_GLYPH_METRICS *metrics, BOOL is_sideways)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
FIXME("(%p)->(%f %f %p %d %p %u %p %d): stub\n", This, emSize, pixels_per_dip, transform, use_gdi_natural, glyph_indices,
glyph_count, metrics, is_sideways);
return E_NOTIMPL;
}
static const IDWriteFontFaceVtbl dwritefontfacevtbl = {
dwritefontface_QueryInterface,
dwritefontface_AddRef,
dwritefontface_Release,
dwritefontface_GetType,
dwritefontface_GetFiles,
dwritefontface_GetIndex,
dwritefontface_GetSimulations,
dwritefontface_IsSymbolFont,
dwritefontface_GetMetrics,
dwritefontface_GetGlyphCount,
dwritefontface_GetDesignGlyphMetrics,
dwritefontface_GetGlyphIndices,
dwritefontface_TryGetFontTable,
dwritefontface_ReleaseFontTable,
dwritefontface_GetGlyphRunOutline,
dwritefontface_GetRecommendedRenderingMode,
dwritefontface_GetGdiCompatibleMetrics,
dwritefontface_GetGdiCompatibleGlyphMetrics
};
static HRESULT create_system_fontface(struct dwrite_font *font, IDWriteFontFace **face)
{
struct dwrite_fontface *This;
*face = NULL;
This = heap_alloc(sizeof(struct dwrite_fontface));
if (!This) return E_OUTOFMEMORY;
This->data = heap_alloc(sizeof(struct dwrite_fontface_data));
if (!This->data)
{
heap_free(This);
return E_OUTOFMEMORY;
}
This->IDWriteFontFace_iface.lpVtbl = &dwritefontfacevtbl;
This->ref = 1;
This->data->type = DWRITE_FONT_FACE_TYPE_UNKNOWN;
This->data->file_count = 0;
This->data->files = NULL;
This->data->index = 0;
This->data->simulations = DWRITE_FONT_SIMULATIONS_NONE;
This->CMAP_table = NULL;
This->CMAP_context = NULL;
This->CMAP_size = 0;
This->is_system = TRUE;
memset(&This->logfont, 0, sizeof(This->logfont));
This->logfont.lfItalic = font->data->style == DWRITE_FONT_STYLE_ITALIC;
/* weight values from DWRITE_FONT_WEIGHT match values used for LOGFONT */
This->logfont.lfWeight = font->data->weight;
strcpyW(This->logfont.lfFaceName, font->data->facename);
*face = &This->IDWriteFontFace_iface;
return S_OK;
}
HRESULT convert_fontface_to_logfont(IDWriteFontFace *face, LOGFONTW *logfont)
{
struct dwrite_fontface *fontface = impl_from_IDWriteFontFace(face);
*logfont = fontface->logfont;
return S_OK;
}
static HRESULT WINAPI dwritefont_QueryInterface(IDWriteFont *iface, REFIID riid, void **obj)
{
struct dwrite_font *This = impl_from_IDWriteFont(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDWriteFont))
{
*obj = iface;
IDWriteFont_AddRef(iface);
return S_OK;
}
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI dwritefont_AddRef(IDWriteFont *iface)
{
struct dwrite_font *This = impl_from_IDWriteFont(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
return ref;
}
static ULONG WINAPI dwritefont_Release(IDWriteFont *iface)
{
struct dwrite_font *This = impl_from_IDWriteFont(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
if (!ref)
{
if (This->face) IDWriteFontFace_Release(This->face);
if (This->family) IDWriteFontFamily_Release(This->family);
_free_font_data(This->data);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI dwritefont_GetFontFamily(IDWriteFont *iface, IDWriteFontFamily **family)
{
struct dwrite_font *This = impl_from_IDWriteFont(iface);
TRACE("(%p)->(%p)\n", This, family);
*family = This->family;
IDWriteFontFamily_AddRef(*family);
return S_OK;
}
static DWRITE_FONT_WEIGHT WINAPI dwritefont_GetWeight(IDWriteFont *iface)
{
struct dwrite_font *This = impl_from_IDWriteFont(iface);
TRACE("(%p)\n", This);
return This->data->weight;
}
static DWRITE_FONT_STRETCH WINAPI dwritefont_GetStretch(IDWriteFont *iface)
{
struct dwrite_font *This = impl_from_IDWriteFont(iface);
TRACE("(%p)\n", This);
return This->data->stretch;
}
static DWRITE_FONT_STYLE WINAPI dwritefont_GetStyle(IDWriteFont *iface)
{
struct dwrite_font *This = impl_from_IDWriteFont(iface);
TRACE("(%p)\n", This);
return This->data->style;
}
static BOOL WINAPI dwritefont_IsSymbolFont(IDWriteFont *iface)
{
struct dwrite_font *This = impl_from_IDWriteFont(iface);
FIXME("(%p): stub\n", This);
return FALSE;
}
static HRESULT WINAPI dwritefont_GetFaceNames(IDWriteFont *iface, IDWriteLocalizedStrings **names)
{
struct dwrite_font *This = impl_from_IDWriteFont(iface);
FIXME("(%p)->(%p): stub\n", This, names);
return E_NOTIMPL;
}
static HRESULT WINAPI dwritefont_GetInformationalStrings(IDWriteFont *iface,
DWRITE_INFORMATIONAL_STRING_ID stringid, IDWriteLocalizedStrings **strings, BOOL *exists)
{
struct dwrite_font *This = impl_from_IDWriteFont(iface);
FIXME("(%p)->(%d %p %p): stub\n", This, stringid, strings, exists);
return E_NOTIMPL;
}
static DWRITE_FONT_SIMULATIONS WINAPI dwritefont_GetSimulations(IDWriteFont *iface)
{
struct dwrite_font *This = impl_from_IDWriteFont(iface);
TRACE("(%p)\n", This);
return This->data->simulations;
}
static void WINAPI dwritefont_GetMetrics(IDWriteFont *iface, DWRITE_FONT_METRICS *metrics)
{
struct dwrite_font *This = impl_from_IDWriteFont(iface);
TRACE("(%p)->(%p)\n", This, metrics);
*metrics = This->data->metrics;
}
static HRESULT WINAPI dwritefont_HasCharacter(IDWriteFont *iface, UINT32 value, BOOL *exists)
{
struct dwrite_font *This = impl_from_IDWriteFont(iface);
FIXME("(%p)->(0x%08x %p): stub\n", This, value, exists);
return E_NOTIMPL;
}
static HRESULT WINAPI dwritefont_CreateFontFace(IDWriteFont *iface, IDWriteFontFace **face)
{
struct dwrite_font *This = impl_from_IDWriteFont(iface);
if (This->is_system)
{
TRACE("(%p)->(%p)\n", This, face);
if (!This->face)
{
HRESULT hr = create_system_fontface(This, &This->face);
if (FAILED(hr)) return hr;
}
*face = This->face;
IDWriteFontFace_AddRef(*face);
return S_OK;
}
else
{
TRACE("(%p)->(%p)\n", This, face);
if (!This->face)
{
HRESULT hr = font_create_fontface(NULL, This->data->face_data->type, This->data->face_data->file_count, This->data->face_data->files, This->data->face_data->index, This->data->face_data->simulations, &This->face);
if (FAILED(hr)) return hr;
}
*face = This->face;
IDWriteFontFace_AddRef(*face);
return S_OK;
}
}
static const IDWriteFontVtbl dwritefontvtbl = {
dwritefont_QueryInterface,
dwritefont_AddRef,
dwritefont_Release,
dwritefont_GetFontFamily,
dwritefont_GetWeight,
dwritefont_GetStretch,
dwritefont_GetStyle,
dwritefont_IsSymbolFont,
dwritefont_GetFaceNames,
dwritefont_GetInformationalStrings,
dwritefont_GetSimulations,
dwritefont_GetMetrics,
dwritefont_HasCharacter,
dwritefont_CreateFontFace
};
static HRESULT WINAPI dwritefontfamily_QueryInterface(IDWriteFontFamily *iface, REFIID riid, void **obj)
{
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IDWriteFontList) ||
IsEqualIID(riid, &IID_IDWriteFontFamily))
{
*obj = iface;
IDWriteFontFamily_AddRef(iface);
return S_OK;
}
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI dwritefontfamily_AddRef(IDWriteFontFamily *iface)
{
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
return ref;
}
static ULONG WINAPI dwritefontfamily_Release(IDWriteFontFamily *iface)
{
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
if (!ref)
{
int i;
IDWriteLocalizedStrings_Release(This->data->familyname);
if (This->collection)
IDWriteFontCollection_Release(This->collection);
for (i = 0; i < This->data->font_count; i++)
_free_font_data(This->data->fonts[i]);
heap_free(This->data->fonts);
heap_free(This->data);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI dwritefontfamily_GetFontCollection(IDWriteFontFamily *iface, IDWriteFontCollection **collection)
{
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
TRACE("(%p)->(%p)\n", This, collection);
if (This->collection)
{
IDWriteFontCollection_AddRef(This->collection);
*collection = This->collection;
return S_OK;
}
else
return E_NOTIMPL;
}
static UINT32 WINAPI dwritefontfamily_GetFontCount(IDWriteFontFamily *iface)
{
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
TRACE("(%p)\n", This);
return This->data->font_count;
}
static HRESULT WINAPI dwritefontfamily_GetFont(IDWriteFontFamily *iface, UINT32 index, IDWriteFont **font)
{
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
TRACE("(%p)->(%u %p)\n", This, index, font);
if (This->data->font_count > 0)
{
HRESULT hr;
if (index >= This->data->font_count)
return E_INVALIDARG;
hr = create_font_from_data(This->data->fonts[index], font);
if (SUCCEEDED(hr))
{
struct dwrite_font *font_data = impl_from_IDWriteFont(*font);
font_data->family = iface;
IDWriteFontFamily_AddRef(iface);
}
return hr;
}
else
return E_NOTIMPL;
}
static HRESULT WINAPI dwritefontfamily_GetFamilyNames(IDWriteFontFamily *iface, IDWriteLocalizedStrings **names)
{
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
return clone_localizedstring(This->data->familyname, names);
}
static HRESULT WINAPI dwritefontfamily_GetFirstMatchingFont(IDWriteFontFamily *iface, DWRITE_FONT_WEIGHT weight,
DWRITE_FONT_STRETCH stretch, DWRITE_FONT_STYLE style, IDWriteFont **font)
{
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
LOGFONTW lf;
TRACE("(%p)->(%d %d %d %p)\n", This, weight, stretch, style, font);
/* fallback for system font collections */
if (This->data->font_count == 0)
{
memset(&lf, 0, sizeof(lf));
lf.lfWeight = weight;
lf.lfItalic = style == DWRITE_FONT_STYLE_ITALIC;
IDWriteLocalizedStrings_GetString(This->data->familyname, 0, lf.lfFaceName, LF_FACESIZE);
return create_font_from_logfont(&lf, font);
}
else
{
int i;
for (i = 0; i < This->data->font_count; i++)
{
if (style == This->data->fonts[i]->style &&
weight == This->data->fonts[i]->weight &&
stretch == This->data->fonts[i]->stretch)
{
HRESULT hr;
hr = create_font_from_data(This->data->fonts[i], font);
if (SUCCEEDED(hr))
{
struct dwrite_font *font_data = impl_from_IDWriteFont(*font);
font_data->family = iface;
IDWriteFontFamily_AddRef(iface);
}
return hr;
}
}
return DWRITE_E_NOFONT;
}
}
static HRESULT WINAPI dwritefontfamily_GetMatchingFonts(IDWriteFontFamily *iface, DWRITE_FONT_WEIGHT weight,
DWRITE_FONT_STRETCH stretch, DWRITE_FONT_STYLE style, IDWriteFontList **fonts)
{
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
FIXME("(%p)->(%d %d %d %p): stub\n", This, weight, stretch, style, fonts);
return E_NOTIMPL;
}
static const IDWriteFontFamilyVtbl fontfamilyvtbl = {
dwritefontfamily_QueryInterface,
dwritefontfamily_AddRef,
dwritefontfamily_Release,
dwritefontfamily_GetFontCollection,
dwritefontfamily_GetFontCount,
dwritefontfamily_GetFont,
dwritefontfamily_GetFamilyNames,
dwritefontfamily_GetFirstMatchingFont,
dwritefontfamily_GetMatchingFonts
};
static HRESULT WINAPI dwritefontcollection_QueryInterface(IDWriteFontCollection *iface, REFIID riid, void **obj)
{
struct dwrite_fontcollection *This = impl_from_IDWriteFontCollection(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IDWriteFontCollection))
{
*obj = iface;
IDWriteFontCollection_AddRef(iface);
return S_OK;
}
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI dwritefontcollection_AddRef(IDWriteFontCollection *iface)
{
struct dwrite_fontcollection *This = impl_from_IDWriteFontCollection(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
return ref;
}
static ULONG WINAPI dwritefontcollection_Release(IDWriteFontCollection *iface)
{
unsigned int i;
struct dwrite_fontcollection *This = impl_from_IDWriteFontCollection(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
if (!ref)
{
for (i = 0; i < This->count; i++)
heap_free(This->families[i]);
heap_free(This->families);
heap_free(This);
}
return ref;
}
static UINT32 WINAPI dwritefontcollection_GetFontFamilyCount(IDWriteFontCollection *iface)
{
struct dwrite_fontcollection *This = impl_from_IDWriteFontCollection(iface);
TRACE("(%p)\n", This);
return This->count;
}
static HRESULT WINAPI dwritefontcollection_GetFontFamily(IDWriteFontCollection *iface, UINT32 index, IDWriteFontFamily **family)
{
struct dwrite_fontcollection *This = impl_from_IDWriteFontCollection(iface);
HRESULT hr;
IDWriteLocalizedStrings *familyname;
static const WCHAR enusW[] = {'e','n','-','u','s',0};
TRACE("(%p)->(%u %p)\n", This, index, family);
if (index >= This->count)
{
*family = NULL;
return E_FAIL;
}
hr = create_localizedstrings(&familyname);
if (FAILED(hr))
return hr;
add_localizedstring(familyname, enusW, This->families[index]);
return create_fontfamily(familyname, family);
}
static HRESULT WINAPI dwritefontcollection_FindFamilyName(IDWriteFontCollection *iface, const WCHAR *name, UINT32 *index, BOOL *exists)
{
struct dwrite_fontcollection *This = impl_from_IDWriteFontCollection(iface);
UINT32 i;
TRACE("(%p)->(%s %p %p)\n", This, debugstr_w(name), index, exists);
for (i = 0; i < This->count; i++)
if (!strcmpW(This->families[i], name))
{
*index = i;
*exists = TRUE;
return S_OK;
}
*index = (UINT32)-1;
*exists = FALSE;
return S_OK;
}
static HRESULT WINAPI dwritefontcollection_GetFontFromFontFace(IDWriteFontCollection *iface, IDWriteFontFace *face, IDWriteFont **font)
{
struct dwrite_fontcollection *This = impl_from_IDWriteFontCollection(iface);
FIXME("(%p)->(%p %p): stub\n", This, face, font);
return E_NOTIMPL;
}
static const IDWriteFontCollectionVtbl fontcollectionvtbl = {
dwritefontcollection_QueryInterface,
dwritefontcollection_AddRef,
dwritefontcollection_Release,
dwritefontcollection_GetFontFamilyCount,
dwritefontcollection_GetFontFamily,
dwritefontcollection_FindFamilyName,
dwritefontcollection_GetFontFromFontFace
};
static HRESULT add_family_syscollection(struct dwrite_fontcollection *collection, const WCHAR *family)
{
/* check for duplicate family name */
if (collection->count && !strcmpW(collection->families[collection->count-1], family)) return S_OK;
/* double array length */
if (collection->count == collection->alloc)
{
collection->alloc *= 2;
collection->families = heap_realloc(collection->families, collection->alloc*sizeof(WCHAR*));
}
collection->families[collection->count++] = heap_strdupW(family);
TRACE("family name %s\n", debugstr_w(family));
return S_OK;
}
static INT CALLBACK enum_font_families(const LOGFONTW *lf, const TEXTMETRICW *tm, DWORD type, LPARAM lParam)
{
struct dwrite_fontcollection *collection = (struct dwrite_fontcollection*)lParam;
return add_family_syscollection(collection, lf->lfFaceName) == S_OK;
}
HRESULT get_system_fontcollection(IDWriteFontCollection **collection)
{
struct dwrite_fontcollection *This;
LOGFONTW lf;
HDC hdc;
*collection = NULL;
This = heap_alloc(sizeof(struct dwrite_fontcollection));
if (!This) return E_OUTOFMEMORY;
This->IDWriteFontCollection_iface.lpVtbl = &fontcollectionvtbl;
This->ref = 1;
This->alloc = 50;
This->count = 0;
This->families = heap_alloc(This->alloc*sizeof(WCHAR*));
TRACE("building system font collection:\n");
hdc = CreateCompatibleDC(0);
memset(&lf, 0, sizeof(lf));
lf.lfCharSet = DEFAULT_CHARSET;
lf.lfPitchAndFamily = DEFAULT_PITCH;
lf.lfFaceName[0] = 0;
EnumFontFamiliesExW(hdc, &lf, enum_font_families, (LPARAM)This, 0);
DeleteDC(hdc);
*collection = &This->IDWriteFontCollection_iface;
return S_OK;
}
static HRESULT create_fontfamily(IDWriteLocalizedStrings *familyname, IDWriteFontFamily **family)
{
struct dwrite_fontfamily *This;
*family = NULL;
This = heap_alloc(sizeof(struct dwrite_fontfamily));
if (!This) return E_OUTOFMEMORY;
This->data = heap_alloc(sizeof(struct dwrite_fontfamily_data));
if (!This->data)
{
heap_free(This);
return E_OUTOFMEMORY;
}
This->IDWriteFontFamily_iface.lpVtbl = &fontfamilyvtbl;
This->ref = 1;
This->data->font_count = 0;
This->data->alloc = 2;
This->data->fonts = heap_alloc(sizeof(*This->data->fonts) * 2);
This->collection = NULL;
This->data->familyname = familyname;
*family = &This->IDWriteFontFamily_iface;
return S_OK;
}
static HRESULT create_font_from_data(struct dwrite_font_data *data, IDWriteFont **font)
{
struct dwrite_font *This;
*font = NULL;
This = heap_alloc(sizeof(struct dwrite_font));
if (!This) return E_OUTOFMEMORY;
This->IDWriteFont_iface.lpVtbl = &dwritefontvtbl;
This->ref = 1;
This->face = NULL;
This->family = NULL;
This->is_system = FALSE;
This->data = data;
InterlockedIncrement(&This->data->ref);
*font = &This->IDWriteFont_iface;
return S_OK;
}
static HRESULT create_font_base(IDWriteFont **font)
{
struct dwrite_font_data *data;
HRESULT ret;
*font = NULL;
data = heap_alloc(sizeof(*data));
if (!data) return E_OUTOFMEMORY;
data->ref = 0;
data->face_data = NULL;
ret = create_font_from_data( data, font );
if (FAILED(ret)) heap_free( data );
return ret;
}
HRESULT create_font_from_logfont(const LOGFONTW *logfont, IDWriteFont **font)
{
const WCHAR* facename, *familyname;
IDWriteLocalizedStrings *name;
struct dwrite_font *This;
IDWriteFontFamily *family;
OUTLINETEXTMETRICW *otm;
HRESULT hr;
HFONT hfont;
HDC hdc;
int ret;
static const WCHAR enusW[] = {'e','n','-','u','s',0};
LPVOID tt_os2 = NULL;
LPVOID tt_head = NULL;
LPVOID tt_post = NULL;
LONG size;
hr = create_font_base(font);
if (FAILED(hr))
return hr;
This = impl_from_IDWriteFont(*font);
hfont = CreateFontIndirectW(logfont);
if (!hfont)
{
heap_free(This->data);
heap_free(This);
return DWRITE_E_NOFONT;
}
hdc = CreateCompatibleDC(0);
SelectObject(hdc, hfont);
ret = GetOutlineTextMetricsW(hdc, 0, NULL);
otm = heap_alloc(ret);
if (!otm)
{
heap_free(This->data);
heap_free(This);
DeleteDC(hdc);
DeleteObject(hfont);
return E_OUTOFMEMORY;
}
otm->otmSize = ret;
ret = GetOutlineTextMetricsW(hdc, otm->otmSize, otm);
size = GetFontData(hdc, MS_OS2_TAG, 0, NULL, 0);
if (size != GDI_ERROR)
{
tt_os2 = heap_alloc(size);
GetFontData(hdc, MS_OS2_TAG, 0, tt_os2, size);
}
size = GetFontData(hdc, MS_HEAD_TAG, 0, NULL, 0);
if (size != GDI_ERROR)
{
tt_head = heap_alloc(size);
GetFontData(hdc, MS_HEAD_TAG, 0, tt_head, size);
}
size = GetFontData(hdc, MS_POST_TAG, 0, NULL, 0);
if (size != GDI_ERROR)
{
tt_post = heap_alloc(size);
GetFontData(hdc, MS_POST_TAG, 0, tt_post, size);
}
get_font_properties(tt_os2, tt_head, tt_post, &This->data->metrics, &This->data->stretch, &This->data->weight, &This->data->style);
heap_free(tt_os2);
heap_free(tt_head);
heap_free(tt_post);
if (logfont->lfItalic)
This->data->style = DWRITE_FONT_STYLE_ITALIC;
DeleteDC(hdc);
DeleteObject(hfont);
facename = (WCHAR*)((char*)otm + (ptrdiff_t)otm->otmpFaceName);
familyname = (WCHAR*)((char*)otm + (ptrdiff_t)otm->otmpFamilyName);
TRACE("facename=%s, familyname=%s\n", debugstr_w(facename), debugstr_w(familyname));
hr = create_localizedstrings(&name);
if (FAILED(hr))
{
heap_free(This);
return hr;
}
add_localizedstring(name, enusW, familyname);
hr = create_fontfamily(name, &family);
heap_free(otm);
if (hr != S_OK)
{
heap_free(This->data);
heap_free(This);
return hr;
}
This->is_system = TRUE;
This->family = family;
This->data->simulations = DWRITE_FONT_SIMULATIONS_NONE;
This->data->facename = heap_strdupW(logfont->lfFaceName);
return S_OK;
}
static HRESULT WINAPI dwritefontfile_QueryInterface(IDWriteFontFile *iface, REFIID riid, void **obj)
{
struct dwrite_fontfile *This = impl_from_IDWriteFontFile(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDWriteFontFile))
{
*obj = iface;
IDWriteFontFile_AddRef(iface);
return S_OK;
}
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI dwritefontfile_AddRef(IDWriteFontFile *iface)
{
struct dwrite_fontfile *This = impl_from_IDWriteFontFile(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
return ref;
}
static ULONG WINAPI dwritefontfile_Release(IDWriteFontFile *iface)
{
struct dwrite_fontfile *This = impl_from_IDWriteFontFile(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
if (!ref)
{
IDWriteFontFileLoader_Release(This->loader);
if (This->stream) IDWriteFontFileStream_Release(This->stream);
heap_free(This->reference_key);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI dwritefontfile_GetReferenceKey(IDWriteFontFile *iface, const void **fontFileReferenceKey, UINT32 *fontFileReferenceKeySize)
{
struct dwrite_fontfile *This = impl_from_IDWriteFontFile(iface);
TRACE("(%p)->(%p, %p)\n", This, fontFileReferenceKey, fontFileReferenceKeySize);
*fontFileReferenceKey = This->reference_key;
*fontFileReferenceKeySize = This->key_size;
return S_OK;
}
static HRESULT WINAPI dwritefontfile_GetLoader(IDWriteFontFile *iface, IDWriteFontFileLoader **fontFileLoader)
{
struct dwrite_fontfile *This = impl_from_IDWriteFontFile(iface);
TRACE("(%p)->(%p)\n", This, fontFileLoader);
*fontFileLoader = This->loader;
IDWriteFontFileLoader_AddRef(This->loader);
return S_OK;
}
static HRESULT WINAPI dwritefontfile_Analyze(IDWriteFontFile *iface, BOOL *isSupportedFontType, DWRITE_FONT_FILE_TYPE *fontFileType, DWRITE_FONT_FACE_TYPE *fontFaceType, UINT32 *numberOfFaces)
{
HRESULT hr;
const void *font_data;
void *context;
IDWriteFontFileStream *stream;
struct dwrite_fontfile *This = impl_from_IDWriteFontFile(iface);
FIXME("(%p)->(%p, %p, %p, %p): Stub\n", This, isSupportedFontType, fontFileType, fontFaceType, numberOfFaces);
*isSupportedFontType = FALSE;
*fontFileType = DWRITE_FONT_FILE_TYPE_UNKNOWN;
if (fontFaceType)
*fontFaceType = DWRITE_FONT_FACE_TYPE_UNKNOWN;
*numberOfFaces = 0;
hr = IDWriteFontFileLoader_CreateStreamFromKey(This->loader, This->reference_key, This->key_size, &stream);
if (FAILED(hr))
return S_OK;
hr = IDWriteFontFileStream_ReadFileFragment(stream, &font_data, 0, 28, &context);
if (SUCCEEDED(hr))
{
hr = analyze_opentype_font(font_data, numberOfFaces, fontFileType, fontFaceType, isSupportedFontType);
IDWriteFontFileStream_ReleaseFileFragment(stream, context);
}
/* TODO: Further Analysis */
IDWriteFontFileStream_Release(stream);
return S_OK;
}
static const IDWriteFontFileVtbl dwritefontfilevtbl = {
dwritefontfile_QueryInterface,
dwritefontfile_AddRef,
dwritefontfile_Release,
dwritefontfile_GetReferenceKey,
dwritefontfile_GetLoader,
dwritefontfile_Analyze,
};
HRESULT create_font_file(IDWriteFontFileLoader *loader, const void *reference_key, UINT32 key_size, IDWriteFontFile **font_file)
{
struct dwrite_fontfile *This;
This = heap_alloc(sizeof(struct dwrite_fontfile));
if (!This) return E_OUTOFMEMORY;
This->IDWriteFontFile_iface.lpVtbl = &dwritefontfilevtbl;
This->ref = 1;
IDWriteFontFileLoader_AddRef(loader);
This->loader = loader;
This->stream = NULL;
This->reference_key = heap_alloc(key_size);
memcpy(This->reference_key, reference_key, key_size);
This->key_size = key_size;
*font_file = &This->IDWriteFontFile_iface;
return S_OK;
}
HRESULT font_create_fontface(IDWriteFactory *iface, DWRITE_FONT_FACE_TYPE facetype, UINT32 files_number, IDWriteFontFile* const* font_files, UINT32 index, DWRITE_FONT_SIMULATIONS sim_flags, IDWriteFontFace **font_face)
{
int i;
struct dwrite_fontface *This;
HRESULT hr = S_OK;
*font_face = NULL;
This = heap_alloc(sizeof(struct dwrite_fontface));
if (!This) return E_OUTOFMEMORY;
This->data = heap_alloc(sizeof(struct dwrite_fontface_data));
if (!This->data)
{
heap_free(This);
return E_OUTOFMEMORY;
}
This->IDWriteFontFace_iface.lpVtbl = &dwritefontfacevtbl;
This->ref = 1;
This->data->ref = 1;
This->data->type = facetype;
This->data->file_count = files_number;
This->data->files = heap_alloc(sizeof(*This->data->files) * files_number);
This->CMAP_table = NULL;
This->CMAP_context = NULL;
This->CMAP_size = 0;
/* Verify font file streams */
for (i = 0; i < This->data->file_count && SUCCEEDED(hr); i++)
{
IDWriteFontFileStream *stream;
hr = _dwritefontfile_GetFontFileStream(font_files[i], &stream);
if (SUCCEEDED(hr))
IDWriteFontFileStream_Release(stream);
}
if (FAILED(hr))
{
heap_free(This->data->files);
heap_free(This->data);
heap_free(This);
return hr;
}
for (i = 0; i < This->data->file_count; i++)
{
This->data->files[i] = font_files[i];
IDWriteFontFile_AddRef(font_files[i]);
}
This->data->index = index;
This->data->simulations = sim_flags;
This->is_system = FALSE;
*font_face = &This->IDWriteFontFace_iface;
return S_OK;
}
/* IDWriteLocalFontFileLoader and its required IDWriteFontFileStream */
struct dwrite_localfontfilestream
{
IDWriteFontFileStream IDWriteFontFileStream_iface;
LONG ref;
HANDLE handle;
};
struct dwrite_localfontfileloader {
IDWriteLocalFontFileLoader IDWriteLocalFontFileLoader_iface;
LONG ref;
};
static inline struct dwrite_localfontfileloader *impl_from_IDWriteLocalFontFileLoader(IDWriteLocalFontFileLoader *iface)
{
return CONTAINING_RECORD(iface, struct dwrite_localfontfileloader, IDWriteLocalFontFileLoader_iface);
}
static inline struct dwrite_localfontfilestream *impl_from_IDWriteFontFileStream(IDWriteFontFileStream *iface)
{
return CONTAINING_RECORD(iface, struct dwrite_localfontfilestream, IDWriteFontFileStream_iface);
}
static HRESULT WINAPI localfontfilestream_QueryInterface(IDWriteFontFileStream *iface, REFIID riid, void **obj)
{
struct dwrite_localfontfilestream *This = impl_from_IDWriteFontFileStream(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDWriteFontFileStream))
{
*obj = iface;
IDWriteFontFileStream_AddRef(iface);
return S_OK;
}
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI localfontfilestream_AddRef(IDWriteFontFileStream *iface)
{
struct dwrite_localfontfilestream *This = impl_from_IDWriteFontFileStream(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
return ref;
}
static ULONG WINAPI localfontfilestream_Release(IDWriteFontFileStream *iface)
{
struct dwrite_localfontfilestream *This = impl_from_IDWriteFontFileStream(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
if (!ref)
{
if (This->handle != INVALID_HANDLE_VALUE)
CloseHandle(This->handle);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI localfontfilestream_ReadFileFragment(IDWriteFontFileStream *iface, void const **fragment_start, UINT64 offset, UINT64 fragment_size, void **fragment_context)
{
struct dwrite_localfontfilestream *This = impl_from_IDWriteFontFileStream(iface);
LARGE_INTEGER distance;
DWORD bytes = fragment_size;
DWORD read;
TRACE("(%p)->(%p, %s, %s, %p)\n",This, fragment_start,
wine_dbgstr_longlong(offset), wine_dbgstr_longlong(fragment_size), fragment_context);
*fragment_context = NULL;
distance.QuadPart = offset;
if (!SetFilePointerEx(This->handle, distance, NULL, FILE_BEGIN))
return E_FAIL;
*fragment_start = *fragment_context = heap_alloc(bytes);
if (!*fragment_context)
return E_FAIL;
if (!ReadFile(This->handle, *fragment_context, bytes, &read, NULL))
{
heap_free(*fragment_context);
return E_FAIL;
}
return S_OK;
}
static void WINAPI localfontfilestream_ReleaseFileFragment(IDWriteFontFileStream *iface, void *fragment_context)
{
struct dwrite_localfontfilestream *This = impl_from_IDWriteFontFileStream(iface);
TRACE("(%p)->(%p)\n", This, fragment_context);
heap_free(fragment_context);
}
static HRESULT WINAPI localfontfilestream_GetFileSize(IDWriteFontFileStream *iface, UINT64 *size)
{
struct dwrite_localfontfilestream *This = impl_from_IDWriteFontFileStream(iface);
LARGE_INTEGER li;
TRACE("(%p)->(%p)\n",This, size);
GetFileSizeEx(This->handle, &li);
*size = li.QuadPart;
return S_OK;
}
static HRESULT WINAPI localfontfilestream_GetLastWriteTime(IDWriteFontFileStream *iface, UINT64 *last_writetime)
{
struct dwrite_localfontfilestream *This = impl_from_IDWriteFontFileStream(iface);
FIXME("(%p)->(%p): stub\n",This, last_writetime);
*last_writetime = 0;
return E_NOTIMPL;
}
static const IDWriteFontFileStreamVtbl localfontfilestreamvtbl =
{
localfontfilestream_QueryInterface,
localfontfilestream_AddRef,
localfontfilestream_Release,
localfontfilestream_ReadFileFragment,
localfontfilestream_ReleaseFileFragment,
localfontfilestream_GetFileSize,
localfontfilestream_GetLastWriteTime
};
static HRESULT create_localfontfilestream(HANDLE handle, IDWriteFontFileStream** iface)
{
struct dwrite_localfontfilestream *This = heap_alloc(sizeof(struct dwrite_localfontfilestream));
if (!This)
return E_OUTOFMEMORY;
This->ref = 1;
This->handle = handle;
This->IDWriteFontFileStream_iface.lpVtbl = &localfontfilestreamvtbl;
*iface = &This->IDWriteFontFileStream_iface;
return S_OK;
}
static HRESULT WINAPI localfontfileloader_QueryInterface(IDWriteLocalFontFileLoader *iface, REFIID riid, void **obj)
{
struct dwrite_localfontfileloader *This = impl_from_IDWriteLocalFontFileLoader(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDWriteFontFileLoader) || IsEqualIID(riid, &IID_IDWriteLocalFontFileLoader))
{
*obj = iface;
IDWriteLocalFontFileLoader_AddRef(iface);
return S_OK;
}
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI localfontfileloader_AddRef(IDWriteLocalFontFileLoader *iface)
{
struct dwrite_localfontfileloader *This = impl_from_IDWriteLocalFontFileLoader(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
return ref;
}
static ULONG WINAPI localfontfileloader_Release(IDWriteLocalFontFileLoader *iface)
{
struct dwrite_localfontfileloader *This = impl_from_IDWriteLocalFontFileLoader(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
if (!ref)
heap_free(This);
return ref;
}
static HRESULT WINAPI localfontfileloader_CreateStreamFromKey(IDWriteLocalFontFileLoader *iface, const void *fontFileReferenceKey, UINT32 fontFileReferenceKeySize, IDWriteFontFileStream **fontFileStream)
{
HANDLE handle;
struct dwrite_localfontfileloader *This = impl_from_IDWriteLocalFontFileLoader(iface);
const WCHAR *name = (const WCHAR*)fontFileReferenceKey;
TRACE("(%p)->(%p, %i, %p)\n",This, fontFileReferenceKey, fontFileReferenceKeySize, fontFileStream);
TRACE("name: %s\n",debugstr_w(name));
handle = CreateFileW(name, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (handle == INVALID_HANDLE_VALUE)
return E_FAIL;
return create_localfontfilestream(handle, fontFileStream);
}
static HRESULT WINAPI localfontfileloader_GetFilePathLengthFromKey(IDWriteLocalFontFileLoader *iface, void const *key, UINT32 key_size, UINT32 *length)
{
struct dwrite_localfontfileloader *This = impl_from_IDWriteLocalFontFileLoader(iface);
TRACE("(%p)->(%p, %i, %p)\n",This, key, key_size, length);
*length = key_size;
return S_OK;
}
static HRESULT WINAPI localfontfileloader_GetFilePathFromKey(IDWriteLocalFontFileLoader *iface, void const *key, UINT32 key_size, WCHAR *path, UINT32 length)
{
struct dwrite_localfontfileloader *This = impl_from_IDWriteLocalFontFileLoader(iface);
TRACE("(%p)->(%p, %i, %p, %i)\n",This, key, key_size, path, length);
if (length < key_size)
return E_INVALIDARG;
lstrcpynW((WCHAR*)key, path, key_size);
return S_OK;
}
static HRESULT WINAPI localfontfileloader_GetLastWriteTimeFromKey(IDWriteLocalFontFileLoader *iface, void const *key, UINT32 key_size, FILETIME *writetime)
{
struct dwrite_localfontfileloader *This = impl_from_IDWriteLocalFontFileLoader(iface);
FIXME("(%p)->(%p, %i, %p):stub\n",This, key, key_size, writetime);
return E_NOTIMPL;
}
static const struct IDWriteLocalFontFileLoaderVtbl localfontfileloadervtbl = {
localfontfileloader_QueryInterface,
localfontfileloader_AddRef,
localfontfileloader_Release,
localfontfileloader_CreateStreamFromKey,
localfontfileloader_GetFilePathLengthFromKey,
localfontfileloader_GetFilePathFromKey,
localfontfileloader_GetLastWriteTimeFromKey
};
HRESULT create_localfontfileloader(IDWriteLocalFontFileLoader** iface)
{
struct dwrite_localfontfileloader *This = heap_alloc(sizeof(struct dwrite_localfontfileloader));
if (!This)
return E_OUTOFMEMORY;
This->ref = 1;
This->IDWriteLocalFontFileLoader_iface.lpVtbl = &localfontfileloadervtbl;
*iface = &This->IDWriteLocalFontFileLoader_iface;
return S_OK;
}
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