744 lines
22 KiB
C
744 lines
22 KiB
C
/*
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* Font and collections
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*
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* Copyright 2012 Nikolay Sivov for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define COBJMACROS
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#include "dwrite.h"
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#include "dwrite_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dwrite);
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/* PANOSE is 10 bytes in size, need to pack the structure properly */
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#include "pshpack2.h"
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typedef struct
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{
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ULONG version;
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ULONG revision;
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ULONG checksumadj;
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ULONG magic;
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USHORT flags;
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USHORT unitsPerEm;
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ULONGLONG created;
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ULONGLONG modified;
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SHORT xMin;
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SHORT yMin;
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SHORT xMax;
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SHORT yMax;
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USHORT macStyle;
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USHORT lowestRecPPEM;
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SHORT direction_hint;
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SHORT index_format;
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SHORT glyphdata_format;
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} TT_HEAD;
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typedef struct
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{
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ULONG Version;
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ULONG italicAngle;
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SHORT underlinePosition;
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SHORT underlineThickness;
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ULONG fixed_pitch;
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ULONG minmemType42;
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ULONG maxmemType42;
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ULONG minmemType1;
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ULONG maxmemType1;
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} TT_POST;
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typedef struct
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{
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USHORT version;
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SHORT xAvgCharWidth;
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USHORT usWeightClass;
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USHORT usWidthClass;
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SHORT fsType;
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SHORT ySubscriptXSize;
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SHORT ySubscriptYSize;
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SHORT ySubscriptXOffset;
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SHORT ySubscriptYOffset;
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SHORT ySuperscriptXSize;
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SHORT ySuperscriptYSize;
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SHORT ySuperscriptXOffset;
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SHORT ySuperscriptYOffset;
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SHORT yStrikeoutSize;
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SHORT yStrikeoutPosition;
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SHORT sFamilyClass;
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PANOSE panose;
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ULONG ulUnicodeRange1;
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ULONG ulUnicodeRange2;
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ULONG ulUnicodeRange3;
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ULONG ulUnicodeRange4;
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CHAR achVendID[4];
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USHORT fsSelection;
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USHORT usFirstCharIndex;
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USHORT usLastCharIndex;
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/* According to the Apple spec, original version didn't have the below fields,
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* version numbers were taken from the OpenType spec.
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*/
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/* version 0 (TrueType 1.5) */
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USHORT sTypoAscender;
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USHORT sTypoDescender;
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USHORT sTypoLineGap;
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USHORT usWinAscent;
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USHORT usWinDescent;
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/* version 1 (TrueType 1.66) */
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ULONG ulCodePageRange1;
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ULONG ulCodePageRange2;
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/* version 2 (OpenType 1.2) */
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SHORT sxHeight;
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SHORT sCapHeight;
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USHORT usDefaultChar;
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USHORT usBreakChar;
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USHORT usMaxContext;
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} TT_OS2_V2;
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#include "poppack.h"
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#ifdef WORDS_BIGENDIAN
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#define GET_BE_WORD(x) (x)
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#define GET_BE_DWORD(x) (x)
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#else
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#define GET_BE_WORD(x) MAKEWORD(HIBYTE(x), LOBYTE(x))
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#define GET_BE_DWORD(x) MAKELONG(GET_BE_WORD(HIWORD(x)), GET_BE_WORD(LOWORD(x)));
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#endif
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#define MS_MAKE_TAG(ch0, ch1, ch2, ch3) \
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((DWORD)(BYTE)(ch0) | ((DWORD)(BYTE)(ch1) << 8) | \
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((DWORD)(BYTE)(ch2) << 16) | ((DWORD)(BYTE)(ch3) << 24))
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#define MS_HEAD_TAG MS_MAKE_TAG('h','e','a','d')
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#define MS_OS2_TAG MS_MAKE_TAG('O','S','/','2')
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#define MS_POST_TAG MS_MAKE_TAG('p','o','s','t')
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struct dwrite_fontfamily {
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IDWriteFontFamily IDWriteFontFamily_iface;
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LONG ref;
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WCHAR *familyname;
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};
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struct dwrite_font {
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IDWriteFont IDWriteFont_iface;
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LONG ref;
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IDWriteFontFamily *family;
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IDWriteFontFace *face;
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DWRITE_FONT_STYLE style;
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DWRITE_FONT_STRETCH stretch;
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DWRITE_FONT_WEIGHT weight;
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DWRITE_FONT_METRICS metrics;
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};
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struct dwrite_fontface {
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IDWriteFontFace IDWriteFontFace_iface;
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LONG ref;
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};
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static inline struct dwrite_fontface *impl_from_IDWriteFontFace(IDWriteFontFace *iface)
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{
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return CONTAINING_RECORD(iface, struct dwrite_fontface, IDWriteFontFace_iface);
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}
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static inline struct dwrite_font *impl_from_IDWriteFont(IDWriteFont *iface)
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{
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return CONTAINING_RECORD(iface, struct dwrite_font, IDWriteFont_iface);
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}
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static inline struct dwrite_fontfamily *impl_from_IDWriteFontFamily(IDWriteFontFamily *iface)
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{
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return CONTAINING_RECORD(iface, struct dwrite_fontfamily, IDWriteFontFamily_iface);
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}
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static HRESULT WINAPI dwritefontface_QueryInterface(IDWriteFontFace *iface, REFIID riid, void **obj)
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{
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struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
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TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
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if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDWriteFontFace))
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{
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*obj = iface;
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IDWriteFontFace_AddRef(iface);
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return S_OK;
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}
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*obj = NULL;
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return E_NOINTERFACE;
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}
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static ULONG WINAPI dwritefontface_AddRef(IDWriteFontFace *iface)
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{
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struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p)->(%d)\n", This, ref);
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return ref;
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}
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static ULONG WINAPI dwritefontface_Release(IDWriteFontFace *iface)
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{
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struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p)->(%d)\n", This, ref);
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if (!ref)
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heap_free(This);
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return S_OK;
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}
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static DWRITE_FONT_FACE_TYPE WINAPI dwritefontface_GetType(IDWriteFontFace *iface)
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{
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struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
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FIXME("(%p): stub\n", This);
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return DWRITE_FONT_FACE_TYPE_UNKNOWN;
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}
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static HRESULT WINAPI dwritefontface_GetFiles(IDWriteFontFace *iface, UINT32 *number_of_files,
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IDWriteFontFile **fontfiles)
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{
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struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
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FIXME("(%p)->(%p %p): stub\n", This, number_of_files, fontfiles);
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return E_NOTIMPL;
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}
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static UINT32 WINAPI dwritefontface_GetIndex(IDWriteFontFace *iface)
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{
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struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
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FIXME("(%p): stub\n", This);
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return 0;
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}
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static DWRITE_FONT_SIMULATIONS WINAPI dwritefontface_GetSimulations(IDWriteFontFace *iface)
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{
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struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
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FIXME("(%p): stub\n", This);
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return DWRITE_FONT_SIMULATIONS_NONE;
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}
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static BOOL WINAPI dwritefontface_IsSymbolFont(IDWriteFontFace *iface)
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{
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struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
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FIXME("(%p): stub\n", This);
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return FALSE;
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}
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static void WINAPI dwritefontface_GetMetrics(IDWriteFontFace *iface, DWRITE_FONT_METRICS *metrics)
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{
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struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
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FIXME("(%p)->(%p): stub\n", This, metrics);
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}
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static UINT16 WINAPI dwritefontface_GetGlyphCount(IDWriteFontFace *iface)
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{
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struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
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FIXME("(%p): stub\n", This);
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return 0;
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}
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static HRESULT WINAPI dwritefontface_GetDesignGlyphMetrics(IDWriteFontFace *iface,
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UINT16 const *glyph_indices, UINT32 glyph_count, DWRITE_GLYPH_METRICS *metrics, BOOL is_sideways)
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{
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struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
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FIXME("(%p)->(%p %u %p %d): stub\n", This, glyph_indices, glyph_count, metrics, is_sideways);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI dwritefontface_GetGlyphIndices(IDWriteFontFace *iface, UINT32 const *codepoints,
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UINT32 count, UINT16 *glyph_indices)
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{
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struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
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FIXME("(%p)->(%p %u %p): stub\n", This, codepoints, count, glyph_indices);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI dwritefontface_TryGetFontTable(IDWriteFontFace *iface, UINT32 table_tag,
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const void **table_data, UINT32 *table_size, void **context, BOOL *exists)
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{
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struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
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FIXME("(%p)->(%u %p %p %p %p): stub\n", This, table_tag, table_data, table_size, context, exists);
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return E_NOTIMPL;
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}
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static void WINAPI dwritefontface_ReleaseFontTable(IDWriteFontFace *iface, void *table_context)
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{
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struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
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FIXME("(%p)->(%p): stub\n", This, table_context);
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}
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static HRESULT WINAPI dwritefontface_GetGlyphRunOutline(IDWriteFontFace *iface, FLOAT emSize,
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UINT16 const *glyph_indices, FLOAT const* glyph_advances, DWRITE_GLYPH_OFFSET const *glyph_offsets,
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UINT32 glyph_count, BOOL is_sideways, BOOL is_rtl, IDWriteGeometrySink *geometrysink)
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{
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struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
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FIXME("(%p)->(%f %p %p %p %u %d %d %p): stub\n", This, emSize, glyph_indices, glyph_advances, glyph_offsets,
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glyph_count, is_sideways, is_rtl, geometrysink);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI dwritefontface_GetRecommendedRenderingMode(IDWriteFontFace *iface, FLOAT emSize,
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FLOAT pixels_per_dip, DWRITE_MEASURING_MODE mode, IDWriteRenderingParams* params, DWRITE_RENDERING_MODE* rendering_mode)
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{
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struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
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FIXME("(%p)->(%f %f %d %p %p): stub\n", This, emSize, pixels_per_dip, mode, params, rendering_mode);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI dwritefontface_GetGdiCompatibleMetrics(IDWriteFontFace *iface, FLOAT emSize, FLOAT pixels_per_dip,
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DWRITE_MATRIX const *transform, DWRITE_FONT_METRICS *metrics)
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{
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struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
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FIXME("(%p)->(%f %f %p %p): stub\n", This, emSize, pixels_per_dip, transform, metrics);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI dwritefontface_GetGdiCompatibleGlyphMetrics(IDWriteFontFace *iface, FLOAT emSize, FLOAT pixels_per_dip,
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DWRITE_MATRIX const *transform, BOOL use_gdi_natural, UINT16 const *glyph_indices, UINT32 glyph_count,
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DWRITE_GLYPH_METRICS *metrics, BOOL is_sideways)
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{
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struct dwrite_fontface *This = impl_from_IDWriteFontFace(iface);
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FIXME("(%p)->(%f %f %p %d %p %u %p %d): stub\n", This, emSize, pixels_per_dip, transform, use_gdi_natural, glyph_indices,
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glyph_count, metrics, is_sideways);
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return E_NOTIMPL;
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}
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static const IDWriteFontFaceVtbl dwritefontfacevtbl = {
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dwritefontface_QueryInterface,
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dwritefontface_AddRef,
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dwritefontface_Release,
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dwritefontface_GetType,
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dwritefontface_GetFiles,
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dwritefontface_GetIndex,
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dwritefontface_GetSimulations,
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dwritefontface_IsSymbolFont,
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dwritefontface_GetMetrics,
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dwritefontface_GetGlyphCount,
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dwritefontface_GetDesignGlyphMetrics,
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dwritefontface_GetGlyphIndices,
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dwritefontface_TryGetFontTable,
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dwritefontface_ReleaseFontTable,
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dwritefontface_GetGlyphRunOutline,
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dwritefontface_GetRecommendedRenderingMode,
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dwritefontface_GetGdiCompatibleMetrics,
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dwritefontface_GetGdiCompatibleGlyphMetrics
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};
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static HRESULT create_fontface(IDWriteFontFace **face)
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{
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struct dwrite_fontface *This;
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*face = NULL;
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This = heap_alloc(sizeof(struct dwrite_fontface));
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if (!This) return E_OUTOFMEMORY;
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This->IDWriteFontFace_iface.lpVtbl = &dwritefontfacevtbl;
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This->ref = 1;
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*face = &This->IDWriteFontFace_iface;
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return S_OK;
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}
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static HRESULT WINAPI dwritefont_QueryInterface(IDWriteFont *iface, REFIID riid, void **obj)
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{
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struct dwrite_font *This = impl_from_IDWriteFont(iface);
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TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
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if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDWriteFont))
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{
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*obj = iface;
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IDWriteFont_AddRef(iface);
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return S_OK;
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}
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*obj = NULL;
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return E_NOINTERFACE;
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}
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static ULONG WINAPI dwritefont_AddRef(IDWriteFont *iface)
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{
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struct dwrite_font *This = impl_from_IDWriteFont(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p)->(%d)\n", This, ref);
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return ref;
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}
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static ULONG WINAPI dwritefont_Release(IDWriteFont *iface)
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{
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struct dwrite_font *This = impl_from_IDWriteFont(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p)->(%d)\n", This, ref);
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if (!ref)
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{
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if (This->face) IDWriteFontFace_Release(This->face);
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IDWriteFontFamily_Release(This->family);
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heap_free(This);
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}
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return S_OK;
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}
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static HRESULT WINAPI dwritefont_GetFontFamily(IDWriteFont *iface, IDWriteFontFamily **family)
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{
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struct dwrite_font *This = impl_from_IDWriteFont(iface);
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TRACE("(%p)->(%p)\n", This, family);
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*family = This->family;
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IDWriteFontFamily_AddRef(*family);
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return S_OK;
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}
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static DWRITE_FONT_WEIGHT WINAPI dwritefont_GetWeight(IDWriteFont *iface)
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{
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struct dwrite_font *This = impl_from_IDWriteFont(iface);
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TRACE("(%p)\n", This);
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return This->weight;
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}
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static DWRITE_FONT_STRETCH WINAPI dwritefont_GetStretch(IDWriteFont *iface)
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{
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struct dwrite_font *This = impl_from_IDWriteFont(iface);
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TRACE("(%p)\n", This);
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return This->stretch;
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}
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static DWRITE_FONT_STYLE WINAPI dwritefont_GetStyle(IDWriteFont *iface)
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{
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struct dwrite_font *This = impl_from_IDWriteFont(iface);
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TRACE("(%p)\n", This);
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return This->style;
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}
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static BOOL WINAPI dwritefont_IsSymbolFont(IDWriteFont *iface)
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{
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struct dwrite_font *This = impl_from_IDWriteFont(iface);
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FIXME("(%p): stub\n", This);
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return FALSE;
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}
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static HRESULT WINAPI dwritefont_GetFaceNames(IDWriteFont *iface, IDWriteLocalizedStrings **names)
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{
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struct dwrite_font *This = impl_from_IDWriteFont(iface);
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FIXME("(%p)->(%p): stub\n", This, names);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI dwritefont_GetInformationalStrings(IDWriteFont *iface,
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DWRITE_INFORMATIONAL_STRING_ID stringid, IDWriteLocalizedStrings **strings, BOOL *exists)
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{
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struct dwrite_font *This = impl_from_IDWriteFont(iface);
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FIXME("(%p)->(%d %p %p): stub\n", This, stringid, strings, exists);
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return E_NOTIMPL;
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}
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static DWRITE_FONT_SIMULATIONS WINAPI dwritefont_GetSimulations(IDWriteFont *iface)
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{
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struct dwrite_font *This = impl_from_IDWriteFont(iface);
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FIXME("(%p): stub\n", This);
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return DWRITE_FONT_SIMULATIONS_NONE;
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}
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static void WINAPI dwritefont_GetMetrics(IDWriteFont *iface, DWRITE_FONT_METRICS *metrics)
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{
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struct dwrite_font *This = impl_from_IDWriteFont(iface);
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TRACE("(%p)->(%p)\n", This, metrics);
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*metrics = This->metrics;
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}
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static HRESULT WINAPI dwritefont_HasCharacter(IDWriteFont *iface, UINT32 value, BOOL *exists)
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{
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struct dwrite_font *This = impl_from_IDWriteFont(iface);
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FIXME("(%p)->(0x%08x %p): stub\n", This, value, exists);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI dwritefont_CreateFontFace(IDWriteFont *iface, IDWriteFontFace **face)
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{
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struct dwrite_font *This = impl_from_IDWriteFont(iface);
|
|
|
|
TRACE("(%p)->(%p)\n", This, face);
|
|
|
|
if (!This->face)
|
|
{
|
|
HRESULT hr = create_fontface(&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)
|
|
{
|
|
heap_free(This->familyname);
|
|
heap_free(This);
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritefontfamily_GetFontCollection(IDWriteFontFamily *iface, IDWriteFontCollection **collection)
|
|
{
|
|
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
|
|
FIXME("(%p)->(%p): stub\n", This, collection);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static UINT32 WINAPI dwritefontfamily_GetFontCount(IDWriteFontFamily *iface)
|
|
{
|
|
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
|
|
FIXME("(%p): stub\n", This);
|
|
return 0;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritefontfamily_GetFont(IDWriteFontFamily *iface, UINT32 index, IDWriteFont **font)
|
|
{
|
|
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
|
|
FIXME("(%p)->(%u %p): stub\n", This, index, font);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI dwritefontfamily_GetFamilyNames(IDWriteFontFamily *iface, IDWriteLocalizedStrings **names)
|
|
{
|
|
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
|
|
static const WCHAR enusW[] = {'e','n','-','u','s',0};
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p)->(%p)\n", This, names);
|
|
|
|
hr = create_localizedstrings(names);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
return add_localizedstring(*names, enusW, This->familyname);
|
|
}
|
|
|
|
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);
|
|
FIXME("(%p)->(%d %d %d %p): stub\n", This, weight, stretch, style, font);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
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 create_fontfamily(const WCHAR *familyname, IDWriteFontFamily **family)
|
|
{
|
|
struct dwrite_fontfamily *This;
|
|
|
|
*family = NULL;
|
|
|
|
This = heap_alloc(sizeof(struct dwrite_fontfamily));
|
|
if (!This) return E_OUTOFMEMORY;
|
|
|
|
This->IDWriteFontFamily_iface.lpVtbl = &fontfamilyvtbl;
|
|
This->ref = 1;
|
|
This->familyname = heap_strdupW(familyname);
|
|
|
|
*family = &This->IDWriteFontFamily_iface;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static void get_font_properties(struct dwrite_font *font, HDC hdc)
|
|
{
|
|
TT_OS2_V2 tt_os2;
|
|
TT_HEAD tt_head;
|
|
TT_POST tt_post;
|
|
LONG size;
|
|
|
|
/* default stretch and weight to normal */
|
|
font->stretch = DWRITE_FONT_STRETCH_NORMAL;
|
|
font->weight = DWRITE_FONT_WEIGHT_NORMAL;
|
|
|
|
memset(&font->metrics, 0, sizeof(font->metrics));
|
|
|
|
size = GetFontData(hdc, MS_OS2_TAG, 0, NULL, 0);
|
|
if (size != GDI_ERROR)
|
|
{
|
|
if (size > sizeof(tt_os2)) size = sizeof(tt_os2);
|
|
|
|
memset(&tt_os2, 0, sizeof(tt_os2));
|
|
if (GetFontData(hdc, MS_OS2_TAG, 0, &tt_os2, size) != size) return;
|
|
|
|
/* DWRITE_FONT_STRETCH enumeration values directly match font data values */
|
|
if (GET_BE_WORD(tt_os2.usWidthClass) <= DWRITE_FONT_STRETCH_ULTRA_EXPANDED)
|
|
font->stretch = GET_BE_WORD(tt_os2.usWidthClass);
|
|
|
|
font->weight = GET_BE_WORD(tt_os2.usWeightClass);
|
|
TRACE("stretch=%d, weight=%d\n", font->stretch, font->weight);
|
|
|
|
font->metrics.ascent = GET_BE_WORD(tt_os2.sTypoAscender);
|
|
font->metrics.descent = GET_BE_WORD(tt_os2.sTypoDescender);
|
|
font->metrics.lineGap = GET_BE_WORD(tt_os2.sTypoLineGap);
|
|
font->metrics.capHeight = GET_BE_WORD(tt_os2.sCapHeight);
|
|
font->metrics.xHeight = GET_BE_WORD(tt_os2.sxHeight);
|
|
font->metrics.strikethroughPosition = GET_BE_WORD(tt_os2.yStrikeoutPosition);
|
|
font->metrics.strikethroughThickness = GET_BE_WORD(tt_os2.yStrikeoutSize);
|
|
}
|
|
|
|
memset(&tt_head, 0, sizeof(tt_head));
|
|
if (GetFontData(hdc, MS_HEAD_TAG, 0, &tt_head, sizeof(tt_head)) != GDI_ERROR)
|
|
{
|
|
font->metrics.designUnitsPerEm = GET_BE_WORD(tt_head.unitsPerEm);
|
|
}
|
|
|
|
memset(&tt_post, 0, sizeof(tt_post));
|
|
if (GetFontData(hdc, MS_POST_TAG, 0, &tt_post, sizeof(tt_post)) != GDI_ERROR)
|
|
{
|
|
font->metrics.underlinePosition = GET_BE_WORD(tt_post.underlinePosition);
|
|
font->metrics.underlineThickness = GET_BE_WORD(tt_post.underlineThickness);
|
|
}
|
|
}
|
|
|
|
HRESULT create_font_from_logfont(const LOGFONTW *logfont, IDWriteFont **font)
|
|
{
|
|
const WCHAR* facename, *familyname;
|
|
struct dwrite_font *This;
|
|
IDWriteFontFamily *family;
|
|
OUTLINETEXTMETRICW *otm;
|
|
HRESULT hr;
|
|
HFONT hfont;
|
|
HDC hdc;
|
|
int ret;
|
|
|
|
*font = NULL;
|
|
|
|
This = heap_alloc(sizeof(struct dwrite_font));
|
|
if (!This) return E_OUTOFMEMORY;
|
|
|
|
hfont = CreateFontIndirectW(logfont);
|
|
if (!hfont)
|
|
{
|
|
heap_free(This);
|
|
return DWRITE_E_NOFONT;
|
|
}
|
|
|
|
hdc = CreateCompatibleDC(0);
|
|
SelectObject(hdc, hfont);
|
|
|
|
ret = GetOutlineTextMetricsW(hdc, 0, NULL);
|
|
otm = heap_alloc(ret);
|
|
otm->otmSize = ret;
|
|
ret = GetOutlineTextMetricsW(hdc, otm->otmSize, otm);
|
|
|
|
get_font_properties(This, hdc);
|
|
|
|
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_fontfamily(familyname, &family);
|
|
heap_free(otm);
|
|
if (hr != S_OK)
|
|
{
|
|
heap_free(This);
|
|
return hr;
|
|
}
|
|
|
|
This->IDWriteFont_iface.lpVtbl = &dwritefontvtbl;
|
|
This->ref = 1;
|
|
This->face = NULL;
|
|
This->family = family;
|
|
This->style = logfont->lfItalic ? DWRITE_FONT_STYLE_ITALIC : DWRITE_FONT_STYLE_NORMAL;
|
|
|
|
*font = &This->IDWriteFont_iface;
|
|
|
|
return S_OK;
|
|
}
|