gcc/testsuite/gcc.dg/lto/20091013-1_2.c

   1 typedef struct HDC__ { int unused; } *HDC;
   2 typedef struct HFONT__ { int unused; } *HFONT;
   3
   4 void* HeapAlloc(void*,unsigned int,unsigned long);
   5
   6 typedef struct tagLOGFONTW
   7 {
   8     int lfPitchAndFamily;
   9     unsigned short lfFaceName[32];
  10 } LOGFONTW, *PLOGFONTW, *LPLOGFONTW;
  11
  12 typedef struct tagGdiFont GdiFont;
  13 typedef struct tagDC DC;
  14
  15 extern unsigned int WineEngGetFontData(GdiFont*, unsigned int, unsigned int, void*, unsigned int);
  16
  17 struct list
  18 {
  19     struct list *next;
  20     struct list *prev;
  21 };
  22
  23 typedef struct FT_FaceRec_
  24 {
  25   signed long face_flags;
  26 } FT_FaceRec, *FT_Face;
  27
  28 typedef struct { } GM;
  29
  30 typedef struct { } FMAT2;
  31
  32 typedef struct {
  33     unsigned int hash;
  34     LOGFONTW lf;
  35     int can_use_bitmap;
  36 } FONT_DESC;
  37
  38
  39
  40 typedef struct tagHFONTLIST {
  41     struct list entry;
  42     HFONT hfont;
  43 } HFONTLIST;
  44
  45 typedef struct {
  46     struct list entry;
  47     void *face;
  48     GdiFont *font;
  49 } CHILD_FONT;
  50
  51
  52 struct tagGdiFont {
  53     struct list entry;
  54     GM **gm;
  55     struct list hfontlist;
  56     struct list child_fonts;
  57
  58     FT_Face ft_face;
  59     FONT_DESC font_desc;
  60     long ppem;
  61 };
  62
  63
  64
  65 static struct list gdi_font_list = { &(gdi_font_list), &(gdi_font_list) };
  66
  67
  68
  69
  70 static int get_glyph_index_linked(GdiFont *font, unsigned int c, GdiFont **linked_font, unsigned int *glyph);
  71 static long load_VDMX(GdiFont*, long);
  72
  73 extern int f1(void*,int);
  74
  75 static FT_Face OpenFontFace(GdiFont *font, void *face, long width, long height)
  76 {
  77    FT_Face ft_face;
  78
  79    font->ppem = load_VDMX(font, height);
  80    if(font->ppem == 0)
  81        font->ppem = f1(ft_face, height);
  82    return ft_face;
  83 }
  84
  85
  86 static GdiFont *alloc_font(void)
  87 {
  88     GdiFont *ret = HeapAlloc(0, 0x00000008, sizeof(*ret));
  89     ret->gm = HeapAlloc(0, 0x00000008, sizeof(GM*));
  90     return ret;
  91 }
  92
  93
  94 static long load_VDMX(GdiFont *font,long height)
  95 {
  96     unsigned short hdr[3];
  97
  98     WineEngGetFontData(font, 0x42424242, 0, hdr, 6);
  99     return 0;
 100 }
 101
 102 static int fontcmp(const GdiFont *font, FONT_DESC *fd)
 103 {
 104     if(font->font_desc.hash != fd->hash) return 1;
 105     if(memcmp(&font->font_desc.lf, &fd->lf, __builtin_offsetof (LOGFONTW, lfFaceName))) return 1;
 106     if(!font->font_desc.can_use_bitmap != !fd->can_use_bitmap) return 1;
 107     return strcmpiW(font->font_desc.lf.lfFaceName, fd->lf.lfFaceName);
 108 }
 109
 110 static GdiFont *find_in_cache(HFONT hfont, const LOGFONTW *plf, const FMAT2 *pmat, int can_use_bitmap)
 111 {
 112     GdiFont *ret;
 113     FONT_DESC fd;
 114     HFONTLIST *hflist;
 115     struct list *font_elem_ptr, *hfontlist_elem_ptr;
 116
 117     fd.lf = *plf;
 118     fd.can_use_bitmap = can_use_bitmap;
 119
 120
 121     for ((font_elem_ptr) = (&gdi_font_list)->next; (font_elem_ptr) != (&gdi_font_list); (font_elem_ptr) = (font_elem_ptr)->next) {
 122         ret = ((struct tagGdiFont *)((char *)(font_elem_ptr) - (unsigned long)(&((struct tagGdiFont *)0)->entry)));
 123         if(!fontcmp(ret, &fd)) {
 124             if(!can_use_bitmap && !( ret->ft_face->face_flags & ( 1L << 0 ) )) continue;
 125             for ((hfontlist_elem_ptr) = (&ret->hfontlist)->next; (hfontlist_elem_ptr) != (&ret->hfontlist); (hfontlist_elem_ptr) = (hfontlist_elem_ptr)->next) {
 126                 hflist = ((struct tagHFONTLIST *)((char *)(hfontlist_elem_ptr) - (unsigned long)(&((struct tagHFONTLIST *)0)->entry)));
 127                 if(hflist->hfont == hfont)
 128                     return ret;
 129             }
 130             hflist = HeapAlloc(0, 0, sizeof(*hflist));
 131             hflist->hfont = hfont;
 132             return ret;
 133         }
 134     }
 135
 136     while(font_elem_ptr) {
 137         ret = ((struct tagGdiFont *)((char *)(font_elem_ptr) - (unsigned long)(&((struct tagGdiFont *)0)->entry)));
 138         if(!fontcmp(ret, &fd)) {
 139             if(!can_use_bitmap && !( ret->ft_face->face_flags & ( 1L << 0 ) )) continue;
 140             hflist = HeapAlloc(0, 0, sizeof(*hflist));
 141             hflist->hfont = hfont;
 142             return ret;
 143         }
 144     }
 145     return ((void *)0);
 146 }
 147
 148
 149
 150
 151 GdiFont *WineEngCreateFontInstance(DC *dc, HFONT hfont)
 152 {
 153     GdiFont *ret;
 154     int can_use_bitmap;
 155     LOGFONTW lf;
 156     FMAT2 dcmat;
 157
 158     if((ret = find_in_cache(hfont, &lf, &dcmat, can_use_bitmap)) != ((void *)0))
 159         return ret;
 160     return alloc_font();
 161 }
 162
 163 extern unsigned int f(void*,unsigned int g);
 164
 165 static unsigned int get_glyph_index(void*font, unsigned int glyph)
 166 {
 167     return f(font, glyph);
 168 }
 169
 170 unsigned int WineEngGetGlyphOutline(GdiFont *incoming_font, unsigned int glyph, unsigned int format,
 171         void* lpgm, unsigned int buflen, void* buf,
 172         const void* lpmat)
 173 {
 174     unsigned int glyph_index;
 175
 176     get_glyph_index_linked(incoming_font, glyph, &incoming_font, &glyph_index);
 177     return 0;
 178 }
 179
 180 static int load_child_font(GdiFont *font, CHILD_FONT *child)
 181 {
 182     child->font = alloc_font();
 183     child->font->ft_face = OpenFontFace(child->font, child->face, 0, -font->ppem);
 184     if(!child->font->ft_face)
 185         return 0;
 186     return 1;
 187 }
 188
 189 static int get_glyph_index_linked(GdiFont *font, unsigned int c, GdiFont **linked_font, unsigned int *glyph)
 190 {
 191     unsigned int g;
 192     CHILD_FONT *child_font;
 193
 194     for ((child_font) = ((CHILD_FONT *)((char *)((&font->child_fonts)->next) - (unsigned long)(&((CHILD_FONT *)0)->entry))); &(child_font)->entry != (&font->child_fonts); (child_font) = ((CHILD_FONT *)((char *)((child_font)->entry.next) - (unsigned long)(&((CHILD_FONT *)0)->entry))))
 195     {
 196         if(!load_child_font(font, child_font))
 197             continue;
 198
 199         g = get_glyph_index(child_font->font, c);
 200         if(g) {
 201             *glyph = g;
 202             *linked_font = child_font->font;
 203             return 1;
 204         }
 205     }
 206     return 0;
 207 }
 208
 209 unsigned int WineEngGetFontData(GdiFont *font, unsigned int table, unsigned int offset, void* buf,
 210     unsigned int cbData)
 211 {
 212     unsigned long len;
 213     load_sfnt_table(font->ft_face, table, offset, buf, &len);
 214     return len;
 215 }
 216
 217 int WineEngGetLinkedHFont(DC *dc, unsigned short c, HFONT *new_hfont, unsigned int *glyph) {
 218     return get_glyph_index_linked(0, 0, 0, 0);
 219 }
 220