git.oblomov.eu Git - wine/blob - dlls/dwrite/font.c

   1 /*
   2  *    Font and collections
   3  *
   4  * Copyright 2012 Nikolay Sivov for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #define COBJMACROS
  22
  23 #include "dwrite.h"
  24 #include "dwrite_private.h"
  25
  26 #include "wine/debug.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(dwrite);
  29
  30 struct dwrite_font {
  31     IDWriteFont IDWriteFont_iface;
  32     LONG ref;
  33
  34     DWRITE_FONT_STYLE style;
  35 };
  36
  37 static inline struct dwrite_font *impl_from_IDWriteFont(IDWriteFont *iface)
  38 {
  39     return CONTAINING_RECORD(iface, struct dwrite_font, IDWriteFont_iface);
  40 }
  41
  42 static HRESULT WINAPI dwritefont_QueryInterface(IDWriteFont *iface, REFIID riid, void **obj)
  43 {
  44     struct dwrite_font *This = impl_from_IDWriteFont(iface);
  45
  46     TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
  47
  48     if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDWriteFont))
  49     {
  50         *obj = iface;
  51         IDWriteFont_AddRef(iface);
  52         return S_OK;
  53     }
  54
  55     *obj = NULL;
  56     return E_NOINTERFACE;
  57 }
  58
  59 static ULONG WINAPI dwritefont_AddRef(IDWriteFont *iface)
  60 {
  61     struct dwrite_font *This = impl_from_IDWriteFont(iface);
  62     ULONG ref = InterlockedIncrement(&This->ref);
  63     TRACE("(%p)->(%d)\n", This, ref);
  64     return ref;
  65 }
  66
  67 static ULONG WINAPI dwritefont_Release(IDWriteFont *iface)
  68 {
  69     struct dwrite_font *This = impl_from_IDWriteFont(iface);
  70     ULONG ref = InterlockedDecrement(&This->ref);
  71
  72     TRACE("(%p)->(%d)\n", This, ref);
  73
  74     if (!ref)
  75         heap_free(This);
  76
  77     return S_OK;
  78 }
  79
  80 static HRESULT WINAPI dwritefont_GetFontFamily(IDWriteFont *iface, IDWriteFontFamily **family)
  81 {
  82     struct dwrite_font *This = impl_from_IDWriteFont(iface);
  83     FIXME("(%p)->(%p): stub\n", This, family);
  84     return E_NOTIMPL;
  85 }
  86
  87 static DWRITE_FONT_WEIGHT WINAPI dwritefont_GetWeight(IDWriteFont *iface)
  88 {
  89     struct dwrite_font *This = impl_from_IDWriteFont(iface);
  90     FIXME("(%p): stub\n", This);
  91     return 0;
  92 }
  93
  94 static DWRITE_FONT_STRETCH WINAPI dwritefont_GetStretch(IDWriteFont *iface)
  95 {
  96     struct dwrite_font *This = impl_from_IDWriteFont(iface);
  97     FIXME("(%p): stub\n", This);
  98     return DWRITE_FONT_STRETCH_UNDEFINED;
  99 }
 100
 101 static DWRITE_FONT_STYLE WINAPI dwritefont_GetStyle(IDWriteFont *iface)
 102 {
 103     struct dwrite_font *This = impl_from_IDWriteFont(iface);
 104     TRACE("(%p)\n", This);
 105     return This->style;
 106 }
 107
 108 static BOOL WINAPI dwritefont_IsSymbolFont(IDWriteFont *iface)
 109 {
 110     struct dwrite_font *This = impl_from_IDWriteFont(iface);
 111     FIXME("(%p): stub\n", This);
 112     return FALSE;
 113 }
 114
 115 static HRESULT WINAPI dwritefont_GetFaceNames(IDWriteFont *iface, IDWriteLocalizedStrings **names)
 116 {
 117     struct dwrite_font *This = impl_from_IDWriteFont(iface);
 118     FIXME("(%p)->(%p): stub\n", This, names);
 119     return E_NOTIMPL;
 120 }
 121
 122 static HRESULT WINAPI dwritefont_GetInformationalStrings(IDWriteFont *iface,
 123     DWRITE_INFORMATIONAL_STRING_ID stringid, IDWriteLocalizedStrings **strings, BOOL *exists)
 124 {
 125     struct dwrite_font *This = impl_from_IDWriteFont(iface);
 126     FIXME("(%p)->(%d %p %p): stub\n", This, stringid, strings, exists);
 127     return E_NOTIMPL;
 128 }
 129
 130 static DWRITE_FONT_SIMULATIONS WINAPI dwritefont_GetSimulations(IDWriteFont *iface)
 131 {
 132     struct dwrite_font *This = impl_from_IDWriteFont(iface);
 133     FIXME("(%p): stub\n", This);
 134     return DWRITE_FONT_SIMULATIONS_NONE;
 135 }
 136
 137 static void WINAPI dwritefont_GetMetrics(IDWriteFont *iface, DWRITE_FONT_METRICS *metrics)
 138 {
 139     struct dwrite_font *This = impl_from_IDWriteFont(iface);
 140     FIXME("(%p)->(%p): stub\n", This, metrics);
 141 }
 142
 143 static HRESULT WINAPI dwritefont_HasCharacter(IDWriteFont *iface, UINT32 value, BOOL *exists)
 144 {
 145     struct dwrite_font *This = impl_from_IDWriteFont(iface);
 146     FIXME("(%p)->(0x%08x %p): stub\n", This, value, exists);
 147     return E_NOTIMPL;
 148 }
 149
 150 static HRESULT WINAPI dwritefont_CreateFontFace(IDWriteFont *iface, IDWriteFontFace **face)
 151 {
 152     struct dwrite_font *This = impl_from_IDWriteFont(iface);
 153     FIXME("(%p)->(%p): stub\n", This, face);
 154     return E_NOTIMPL;
 155 }
 156
 157 static const IDWriteFontVtbl dwritefontvtbl = {
 158     dwritefont_QueryInterface,
 159     dwritefont_AddRef,
 160     dwritefont_Release,
 161     dwritefont_GetFontFamily,
 162     dwritefont_GetWeight,
 163     dwritefont_GetStretch,
 164     dwritefont_GetStyle,
 165     dwritefont_IsSymbolFont,
 166     dwritefont_GetFaceNames,
 167     dwritefont_GetInformationalStrings,
 168     dwritefont_GetSimulations,
 169     dwritefont_GetMetrics,
 170     dwritefont_HasCharacter,
 171     dwritefont_CreateFontFace
 172 };
 173
 174 HRESULT create_font_from_logfont(const LOGFONTW *logfont, IDWriteFont **font)
 175 {
 176     struct dwrite_font *This;
 177
 178     *font = NULL;
 179
 180     This = heap_alloc(sizeof(struct dwrite_font));
 181     if (!This) return E_OUTOFMEMORY;
 182
 183     This->IDWriteFont_iface.lpVtbl = &dwritefontvtbl;
 184     This->ref = 1;
 185
 186     This->style = logfont->lfItalic ? DWRITE_FONT_STYLE_ITALIC : DWRITE_FONT_STYLE_NORMAL;
 187
 188     *font = &This->IDWriteFont_iface;
 189
 190     return S_OK;
 191 }