dlls/gdi32/gdiobj.c

   1 /*
   2  * GDI functions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   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 #include "config.h"
  22
  23 #include <assert.h>
  24 #include <stdlib.h>
  25 #include <stdarg.h>
  26 #include <stdio.h>
  27
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "wingdi.h"
  31 #include "winreg.h"
  32 #include "winnls.h"
  33 #include "winerror.h"
  34 #include "winternl.h"
  35
  36 #include "gdi_private.h"
  37 #include "wine/debug.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(gdi);
  40
  41 #define HGDIOBJ_32(h16)   ((HGDIOBJ)(ULONG_PTR)(h16))
  42
  43 #define GDI_HEAP_SIZE 0xffe0
  44
  45 /***********************************************************************
  46  *          GDI stock objects
  47  */
  48
  49 static const LOGBRUSH WhiteBrush = { BS_SOLID, RGB(255,255,255), 0 };
  50 static const LOGBRUSH BlackBrush = { BS_SOLID, RGB(0,0,0), 0 };
  51 static const LOGBRUSH NullBrush  = { BS_NULL, 0, 0 };
  52
  53 static const LOGBRUSH LtGrayBrush = { BS_SOLID, RGB(192,192,192), 0 };
  54 static const LOGBRUSH GrayBrush   = { BS_SOLID, RGB(128,128,128), 0 };
  55 static const LOGBRUSH DkGrayBrush = { BS_SOLID, RGB(64,64,64), 0 };
  56
  57 static const LOGPEN WhitePen = { PS_SOLID, { 0, 0 }, RGB(255,255,255) };
  58 static const LOGPEN BlackPen = { PS_SOLID, { 0, 0 }, RGB(0,0,0) };
  59 static const LOGPEN NullPen  = { PS_NULL,  { 0, 0 }, 0 };
  60
  61 static const LOGBRUSH DCBrush = { BS_SOLID, RGB(255,255,255), 0 };
  62 static const LOGPEN DCPen     = { PS_SOLID, { 0, 0 }, RGB(0,0,0) };
  63
  64 /* reserve one extra entry for the stock default bitmap */
  65 /* this is what Windows does too */
  66 #define NB_STOCK_OBJECTS (STOCK_LAST+2)
  67
  68 static HGDIOBJ stock_objects[NB_STOCK_OBJECTS];
  69
  70 static CRITICAL_SECTION gdi_section;
  71 static CRITICAL_SECTION_DEBUG critsect_debug =
  72 {
  73     0, 0, &gdi_section,
  74     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  75       0, 0, { (DWORD_PTR)(__FILE__ ": gdi_section") }
  76 };
  77 static CRITICAL_SECTION gdi_section = { &critsect_debug, -1, 0, 0, 0, 0 };
  78
  79
  80 /****************************************************************************
  81  *
  82  *      language-independent stock fonts
  83  *
  84  */
  85
  86 static const LOGFONTW OEMFixedFont =
  87 { 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, OEM_CHARSET,
  88   0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, {'\0'} };
  89
  90 static const LOGFONTW AnsiFixedFont =
  91 { 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
  92   0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
  93   {'C','o','u','r','i','e','r','\0'} };
  94
  95 static const LOGFONTW AnsiVarFont =
  96 { 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
  97   0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
  98   {'M','S',' ','S','a','n','s',' ','S','e','r','i','f','\0'} };
  99
 100 /******************************************************************************
 101  *
 102  *      language-dependent stock fonts
 103  *
 104  *      'ANSI' charset and 'DEFAULT' charset is not same.
 105  *      The chars in CP_ACP should be drawn with 'DEFAULT' charset.
 106  *      'ANSI' charset seems to be identical with ISO-8859-1.
 107  *      'DEFAULT' charset is a language-dependent charset.
 108  *
 109  *      'System' font seems to be an alias for language-dependent font.
 110  */
 111
 112 /*
 113  * language-dependent stock fonts for all known charsets
 114  * please see TranslateCharsetInfo (dlls/gdi/font.c) and
 115  * CharsetBindingInfo (dlls/x11drv/xfont.c),
 116  * and modify entries for your language if needed.
 117  */
 118 struct DefaultFontInfo
 119 {
 120         UINT            charset;
 121         LOGFONTW        SystemFont;
 122         LOGFONTW        DeviceDefaultFont;
 123         LOGFONTW        SystemFixedFont;
 124         LOGFONTW        DefaultGuiFont; /* Note for this font the lfHeight member should be the point size */
 125 };
 126
 127 static const struct DefaultFontInfo default_fonts[] =
 128 {
 129     {   ANSI_CHARSET,
 130         { /* System */
 131           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 132            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 133            {'S','y','s','t','e','m','\0'}
 134         },
 135         { /* Device Default */
 136           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 137            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 138            {'\0'}
 139         },
 140         { /* System Fixed */
 141           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 142            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 143            {'\0'}
 144         },
 145         { /* DefaultGuiFont */
 146            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 147            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 148            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 149         },
 150     },
 151     {   EASTEUROPE_CHARSET,
 152         { /* System */
 153           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 154            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 155            {'S','y','s','t','e','m','\0'}
 156         },
 157         { /* Device Default */
 158           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 159            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 160            {'\0'}
 161         },
 162         { /* System Fixed */
 163           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 164            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 165            {'\0'}
 166         },
 167         { /* DefaultGuiFont */
 168            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 169            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 170            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 171         },
 172     },
 173     {   RUSSIAN_CHARSET,
 174         { /* System */
 175           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 176            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 177            {'S','y','s','t','e','m','\0'}
 178         },
 179         { /* Device Default */
 180           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 181            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 182            {'\0'}
 183         },
 184         { /* System Fixed */
 185           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 186            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 187            {'\0'}
 188         },
 189         { /* DefaultGuiFont */
 190            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 191            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 192            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 193         },
 194     },
 195     {   GREEK_CHARSET,
 196         { /* System */
 197           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
 198            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 199            {'S','y','s','t','e','m','\0'}
 200         },
 201         { /* Device Default */
 202           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
 203            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 204            {'\0'}
 205         },
 206         { /* System Fixed */
 207           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
 208            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 209            {'\0'}
 210         },
 211         { /* DefaultGuiFont */
 212            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
 213            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 214            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 215         },
 216     },
 217     {   TURKISH_CHARSET,
 218         { /* System */
 219           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 220            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 221            {'S','y','s','t','e','m','\0'}
 222         },
 223         { /* Device Default */
 224           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 225            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 226            {'\0'}
 227         },
 228         { /* System Fixed */
 229           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 230            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 231            {'\0'}
 232         },
 233         { /* DefaultGuiFont */
 234            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 235            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 236            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 237         },
 238     },
 239     {   HEBREW_CHARSET,
 240         { /* System */
 241           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 242            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 243            {'S','y','s','t','e','m','\0'}
 244         },
 245         { /* Device Default */
 246           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 247            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 248            {'\0'}
 249         },
 250         { /* System Fixed */
 251           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 252            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 253            {'\0'}
 254         },
 255         { /* DefaultGuiFont */
 256            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 257            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 258            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 259         },
 260     },
 261     {   ARABIC_CHARSET,
 262         { /* System */
 263           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 264            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 265            {'S','y','s','t','e','m','\0'}
 266         },
 267         { /* Device Default */
 268           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 269            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 270            {'\0'}
 271         },
 272         { /* System Fixed */
 273           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 274            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 275            {'\0'}
 276         },
 277         { /* DefaultGuiFont */
 278            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 279            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 280            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 281         },
 282     },
 283     {   BALTIC_CHARSET,
 284         { /* System */
 285           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 286            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 287            {'S','y','s','t','e','m','\0'}
 288         },
 289         { /* Device Default */
 290           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 291            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 292            {'\0'}
 293         },
 294         { /* System Fixed */
 295           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 296            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 297            {'\0'}
 298         },
 299         { /* DefaultGuiFont */
 300            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 301            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 302            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 303         },
 304     },
 305     {   THAI_CHARSET,
 306         { /* System */
 307           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
 308            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 309            {'S','y','s','t','e','m','\0'}
 310         },
 311         { /* Device Default */
 312           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
 313            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 314            {'\0'}
 315         },
 316         { /* System Fixed */
 317           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
 318            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 319            {'\0'}
 320         },
 321         { /* DefaultGuiFont */
 322            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
 323            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 324            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 325         },
 326     },
 327     {   SHIFTJIS_CHARSET,
 328         { /* System */
 329           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 330            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 331            {'S','y','s','t','e','m','\0'}
 332         },
 333         { /* Device Default */
 334           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 335            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 336            {'\0'}
 337         },
 338         { /* System Fixed */
 339           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 340            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 341            {'\0'}
 342         },
 343         { /* DefaultGuiFont */
 344            9, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 345            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 346            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 347         },
 348     },
 349     {   GB2312_CHARSET,
 350         { /* System */
 351           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
 352            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 353            {'S','y','s','t','e','m','\0'}
 354         },
 355         { /* Device Default */
 356           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
 357            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 358            {'\0'}
 359         },
 360         { /* System Fixed */
 361           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
 362            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 363            {'\0'}
 364         },
 365         { /* DefaultGuiFont */
 366            9, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
 367            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 368            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 369         },
 370     },
 371     {   HANGEUL_CHARSET,
 372         { /* System */
 373           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 374            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 375            {'S','y','s','t','e','m','\0'}
 376         },
 377         { /* Device Default */
 378           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 379            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 380            {'\0'}
 381         },
 382         { /* System Fixed */
 383           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 384            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 385            {'\0'}
 386         },
 387         { /* DefaultGuiFont */
 388            9, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 389            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 390            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 391         },
 392     },
 393     {   CHINESEBIG5_CHARSET,
 394         { /* System */
 395           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 396            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 397            {'S','y','s','t','e','m','\0'}
 398         },
 399         { /* Device Default */
 400           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 401            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 402            {'\0'}
 403         },
 404         { /* System Fixed */
 405           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 406            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 407            {'\0'}
 408         },
 409         { /* DefaultGuiFont */
 410            9, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 411            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 412            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 413         },
 414     },
 415     {   JOHAB_CHARSET,
 416         { /* System */
 417           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 418            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 419            {'S','y','s','t','e','m','\0'}
 420         },
 421         { /* Device Default */
 422           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 423            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 424            {'\0'}
 425         },
 426         { /* System Fixed */
 427           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 428            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 429            {'\0'}
 430         },
 431         { /* DefaultGuiFont */
 432            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 433            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 434            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 435         },
 436     },
 437 };
 438
 439
 440 /*************************************************************************
 441  * __wine_make_gdi_object_system    (GDI32.@)
 442  *
 443  * USER has to tell GDI that its system brushes and pens are non-deletable.
 444  * For a description of the GDI object magics and their flags,
 445  * see "Undocumented Windows" (wrong about the OBJECT_NOSYSTEM flag, though).
 446  */
 447 void CDECL __wine_make_gdi_object_system( HGDIOBJ handle, BOOL set)
 448 {
 449     GDIOBJHDR *ptr = GDI_GetObjPtr( handle, 0 );
 450     ptr->system = !!set;
 451     GDI_ReleaseObj( handle );
 452 }
 453
 454 /******************************************************************************
 455  *      get_default_fonts
 456  */
 457 static const struct DefaultFontInfo* get_default_fonts(UINT charset)
 458 {
 459         unsigned int n;
 460
 461         for(n=0;n<(sizeof(default_fonts)/sizeof(default_fonts[0]));n++)
 462         {
 463                 if ( default_fonts[n].charset == charset )
 464                         return &default_fonts[n];
 465         }
 466
 467         FIXME( "unhandled charset 0x%08x - use ANSI_CHARSET for default stock objects\n", charset );
 468         return &default_fonts[0];
 469 }
 470
 471
 472 /******************************************************************************
 473  *      get_default_charset    (internal)
 474  *
 475  * get the language-dependent charset that can handle CP_ACP correctly.
 476  */
 477 static UINT get_default_charset( void )
 478 {
 479     CHARSETINFO     csi;
 480     UINT    uACP;
 481
 482     uACP = GetACP();
 483     csi.ciCharset = ANSI_CHARSET;
 484     if ( !TranslateCharsetInfo( ULongToPtr(uACP), &csi, TCI_SRCCODEPAGE ) )
 485     {
 486         FIXME( "unhandled codepage %u - use ANSI_CHARSET for default stock objects\n", uACP );
 487         return ANSI_CHARSET;
 488     }
 489
 490     return csi.ciCharset;
 491 }
 492
 493 static const WCHAR dpi_key_name[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s','\0'};
 494 static const WCHAR dpi_value_name[] = {'L','o','g','P','i','x','e','l','s','\0'};
 495
 496 /******************************************************************************
 497  *      get_dpi   (internal)
 498  *
 499  * get the dpi from the registry
 500  */
 501 static DWORD get_dpi( void )
 502 {
 503     DWORD dpi = 96;
 504     HKEY hkey;
 505
 506     if (RegOpenKeyW(HKEY_CURRENT_CONFIG, dpi_key_name, &hkey) == ERROR_SUCCESS)
 507     {
 508         DWORD type, size, new_dpi;
 509
 510         size = sizeof(new_dpi);
 511         if(RegQueryValueExW(hkey, dpi_value_name, NULL, &type, (void *)&new_dpi, &size) == ERROR_SUCCESS)
 512         {
 513             if(type == REG_DWORD && new_dpi != 0)
 514                 dpi = new_dpi;
 515         }
 516         RegCloseKey(hkey);
 517     }
 518     return dpi;
 519 }
 520
 521
 522 /***********************************************************************
 523  *           GDI_inc_ref_count
 524  *
 525  * Increment the reference count of a GDI object.
 526  */
 527 HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle )
 528 {
 529     GDIOBJHDR *header;
 530
 531     if ((header = GDI_GetObjPtr( handle, 0 )))
 532     {
 533         header->selcount++;
 534         GDI_ReleaseObj( handle );
 535     }
 536     else handle = 0;
 537
 538     return handle;
 539 }
 540
 541
 542 /***********************************************************************
 543  *           GDI_dec_ref_count
 544  *
 545  * Decrement the reference count of a GDI object.
 546  */
 547 BOOL GDI_dec_ref_count( HGDIOBJ handle )
 548 {
 549     GDIOBJHDR *header;
 550
 551     if ((header = GDI_GetObjPtr( handle, 0 )))
 552     {
 553         assert( header->selcount );
 554         if (!--header->selcount && header->deleted)
 555         {
 556             /* handle delayed DeleteObject*/
 557             header->deleted = 0;
 558             GDI_ReleaseObj( handle );
 559             TRACE( "executing delayed DeleteObject for %p\n", handle );
 560             DeleteObject( handle );
 561         }
 562         else GDI_ReleaseObj( handle );
 563     }
 564     return header != NULL;
 565 }
 566
 567
 568 /***********************************************************************
 569  *           DllMain
 570  *
 571  * GDI initialization.
 572  */
 573 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
 574 {
 575     LOGFONTW default_gui_font;
 576     const struct DefaultFontInfo* deffonts;
 577     int i;
 578
 579     if (reason != DLL_PROCESS_ATTACH) return TRUE;
 580
 581     DisableThreadLibraryCalls( inst );
 582     WineEngInit();
 583
 584     /* create stock objects */
 585     stock_objects[WHITE_BRUSH]  = CreateBrushIndirect( &WhiteBrush );
 586     stock_objects[LTGRAY_BRUSH] = CreateBrushIndirect( &LtGrayBrush );
 587     stock_objects[GRAY_BRUSH]   = CreateBrushIndirect( &GrayBrush );
 588     stock_objects[DKGRAY_BRUSH] = CreateBrushIndirect( &DkGrayBrush );
 589     stock_objects[BLACK_BRUSH]  = CreateBrushIndirect( &BlackBrush );
 590     stock_objects[NULL_BRUSH]   = CreateBrushIndirect( &NullBrush );
 591
 592     stock_objects[WHITE_PEN]    = CreatePenIndirect( &WhitePen );
 593     stock_objects[BLACK_PEN]    = CreatePenIndirect( &BlackPen );
 594     stock_objects[NULL_PEN]     = CreatePenIndirect( &NullPen );
 595
 596     stock_objects[DEFAULT_PALETTE] = PALETTE_Init();
 597     stock_objects[DEFAULT_BITMAP]  = CreateBitmap( 1, 1, 1, 1, NULL );
 598
 599     /* language-independent stock fonts */
 600     stock_objects[OEM_FIXED_FONT]      = CreateFontIndirectW( &OEMFixedFont );
 601     stock_objects[ANSI_FIXED_FONT]     = CreateFontIndirectW( &AnsiFixedFont );
 602     stock_objects[ANSI_VAR_FONT]       = CreateFontIndirectW( &AnsiVarFont );
 603
 604     /* language-dependent stock fonts */
 605     deffonts = get_default_fonts(get_default_charset());
 606     stock_objects[SYSTEM_FONT]         = CreateFontIndirectW( &deffonts->SystemFont );
 607     stock_objects[DEVICE_DEFAULT_FONT] = CreateFontIndirectW( &deffonts->DeviceDefaultFont );
 608     stock_objects[SYSTEM_FIXED_FONT]   = CreateFontIndirectW( &deffonts->SystemFixedFont );
 609
 610     /* For the default gui font, we use the lfHeight member in deffonts as a place-holder
 611        for the point size so we must convert this into a true height */
 612     default_gui_font = deffonts->DefaultGuiFont;
 613     default_gui_font.lfHeight = -MulDiv(default_gui_font.lfHeight, get_dpi(), 72);
 614     stock_objects[DEFAULT_GUI_FONT]    = CreateFontIndirectW( &default_gui_font );
 615
 616     stock_objects[DC_BRUSH]     = CreateBrushIndirect( &DCBrush );
 617     stock_objects[DC_PEN]       = CreatePenIndirect( &DCPen );
 618
 619     /* clear the NOSYSTEM bit on all stock objects*/
 620     for (i = 0; i < NB_STOCK_OBJECTS; i++)
 621     {
 622         if (!stock_objects[i])
 623         {
 624             if (i == 9) continue;  /* there's no stock object 9 */
 625             ERR( "could not create stock object %d\n", i );
 626             return FALSE;
 627         }
 628         __wine_make_gdi_object_system( stock_objects[i], TRUE );
 629     }
 630
 631     return TRUE;
 632 }
 633
 634 #define FIRST_LARGE_HANDLE 16
 635 #define MAX_LARGE_HANDLES ((GDI_HEAP_SIZE >> 2) - FIRST_LARGE_HANDLE)
 636 static GDIOBJHDR *large_handles[MAX_LARGE_HANDLES];
 637 static int next_large_handle;
 638
 639 static const char *gdi_obj_type( unsigned type )
 640 {
 641     switch ( type )
 642     {
 643         case OBJ_PEN: return "OBJ_PEN";
 644         case OBJ_BRUSH: return "OBJ_BRUSH";
 645         case OBJ_DC: return "OBJ_DC";
 646         case OBJ_METADC: return "OBJ_METADC";
 647         case OBJ_PAL: return "OBJ_PAL";
 648         case OBJ_FONT: return "OBJ_FONT";
 649         case OBJ_BITMAP: return "OBJ_BITMAP";
 650         case OBJ_REGION: return "OBJ_REGION";
 651         case OBJ_METAFILE: return "OBJ_METAFILE";
 652         case OBJ_MEMDC: return "OBJ_MEMDC";
 653         case OBJ_EXTPEN: return "OBJ_EXTPEN";
 654         case OBJ_ENHMETADC: return "OBJ_ENHMETADC";
 655         case OBJ_ENHMETAFILE: return "OBJ_ENHMETAFILE";
 656         case OBJ_COLORSPACE: return "OBJ_COLORSPACE";
 657         default: return "UNKNOWN";
 658     }
 659 }
 660
 661 static void dump_gdi_objects( void )
 662 {
 663     int i;
 664
 665     TRACE( "%u objects:\n", MAX_LARGE_HANDLES );
 666
 667     EnterCriticalSection( &gdi_section );
 668     for (i = 0; i < MAX_LARGE_HANDLES; i++)
 669     {
 670         if (!large_handles[i])
 671         {
 672             TRACE( "index %d handle %p FREE\n", i, (HGDIOBJ)(ULONG_PTR)((i + FIRST_LARGE_HANDLE) << 2) );
 673             continue;
 674         }
 675         TRACE( "handle %p obj %p type %s selcount %u deleted %u\n",
 676                (HGDIOBJ)(ULONG_PTR)((i + FIRST_LARGE_HANDLE) << 2),
 677                large_handles[i], gdi_obj_type( large_handles[i]->type ),
 678                large_handles[i]->selcount, large_handles[i]->deleted );
 679     }
 680     LeaveCriticalSection( &gdi_section );
 681 }
 682
 683 /***********************************************************************
 684  *           alloc_gdi_handle
 685  *
 686  * Allocate a GDI handle for an object, which must have been allocated on the process heap.
 687  */
 688 HGDIOBJ alloc_gdi_handle( GDIOBJHDR *obj, WORD type, const struct gdi_obj_funcs *funcs )
 689 {
 690     int i;
 691
 692     /* initialize the object header */
 693     obj->type     = type;
 694     obj->system   = 0;
 695     obj->deleted  = 0;
 696     obj->selcount = 0;
 697     obj->funcs    = funcs;
 698     obj->hdcs     = NULL;
 699
 700     EnterCriticalSection( &gdi_section );
 701     for (i = next_large_handle + 1; i < MAX_LARGE_HANDLES; i++)
 702         if (!large_handles[i]) goto found;
 703     for (i = 0; i <= next_large_handle; i++)
 704         if (!large_handles[i]) goto found;
 705     LeaveCriticalSection( &gdi_section );
 706
 707     ERR( "out of GDI object handles, expect a crash\n" );
 708     if (TRACE_ON(gdi)) dump_gdi_objects();
 709     return 0;
 710
 711  found:
 712     large_handles[i] = obj;
 713     next_large_handle = i;
 714     LeaveCriticalSection( &gdi_section );
 715     return (HGDIOBJ)(ULONG_PTR)((i + FIRST_LARGE_HANDLE) << 2);
 716 }
 717
 718
 719 /***********************************************************************
 720  *           free_gdi_handle
 721  *
 722  * Free a GDI handle and return a pointer to the object.
 723  */
 724 void *free_gdi_handle( HGDIOBJ handle )
 725 {
 726     GDIOBJHDR *object = NULL;
 727     int i;
 728
 729     i = ((ULONG_PTR)handle >> 2) - FIRST_LARGE_HANDLE;
 730     if (i >= 0 && i < MAX_LARGE_HANDLES)
 731     {
 732         EnterCriticalSection( &gdi_section );
 733         object = large_handles[i];
 734         large_handles[i] = NULL;
 735         LeaveCriticalSection( &gdi_section );
 736     }
 737     if (object)
 738     {
 739         object->type  = 0;  /* mark it as invalid */
 740         object->funcs = NULL;
 741     }
 742     return object;
 743 }
 744
 745
 746 /***********************************************************************
 747  *           GDI_GetObjPtr
 748  *
 749  * Return a pointer to the GDI object associated to the handle.
 750  * Return NULL if the object has the wrong magic number.
 751  * The object must be released with GDI_ReleaseObj.
 752  */
 753 void *GDI_GetObjPtr( HGDIOBJ handle, WORD type )
 754 {
 755     GDIOBJHDR *ptr = NULL;
 756     int i;
 757
 758     EnterCriticalSection( &gdi_section );
 759
 760     i = ((UINT_PTR)handle >> 2) - FIRST_LARGE_HANDLE;
 761     if (i >= 0 && i < MAX_LARGE_HANDLES)
 762     {
 763         ptr = large_handles[i];
 764         if (ptr && type && ptr->type != type) ptr = NULL;
 765     }
 766
 767     if (!ptr)
 768     {
 769         LeaveCriticalSection( &gdi_section );
 770         WARN( "Invalid handle %p\n", handle );
 771     }
 772     else TRACE("(%p): enter %d\n", handle, gdi_section.RecursionCount);
 773
 774     return ptr;
 775 }
 776
 777
 778 /***********************************************************************
 779  *           GDI_ReleaseObj
 780  *
 781  */
 782 void GDI_ReleaseObj( HGDIOBJ handle )
 783 {
 784     TRACE("(%p): leave %d\n", handle, gdi_section.RecursionCount);
 785     LeaveCriticalSection( &gdi_section );
 786 }
 787
 788
 789 /***********************************************************************
 790  *           GDI_CheckNotLock
 791  */
 792 void GDI_CheckNotLock(void)
 793 {
 794     if (gdi_section.OwningThread == ULongToHandle(GetCurrentThreadId()) && gdi_section.RecursionCount)
 795     {
 796         ERR( "BUG: holding GDI lock\n" );
 797         DebugBreak();
 798     }
 799 }
 800
 801
 802 /***********************************************************************
 803  *           DeleteObject    (GDI32.@)
 804  *
 805  * Delete a Gdi object.
 806  *
 807  * PARAMS
 808  *  obj [I] Gdi object to delete
 809  *
 810  * RETURNS
 811  *  Success: TRUE. If obj was not returned from GetStockObject(), any resources
 812  *           it consumed are released.
 813  *  Failure: FALSE, if obj is not a valid Gdi object, or is currently selected
 814  *           into a DC.
 815  */
 816 BOOL WINAPI DeleteObject( HGDIOBJ obj )
 817 {
 818       /* Check if object is valid */
 819
 820     struct hdc_list *hdcs_head;
 821     const struct gdi_obj_funcs *funcs;
 822     GDIOBJHDR * header;
 823
 824     if (HIWORD(obj)) return FALSE;
 825
 826     if (!(header = GDI_GetObjPtr( obj, 0 ))) return FALSE;
 827
 828     if (header->system)
 829     {
 830         TRACE("Preserving system object %p\n", obj);
 831         GDI_ReleaseObj( obj );
 832         return TRUE;
 833     }
 834
 835     while ((hdcs_head = header->hdcs) != NULL)
 836     {
 837         DC *dc = get_dc_ptr(hdcs_head->hdc);
 838
 839         header->hdcs = hdcs_head->next;
 840         TRACE("hdc %p has interest in %p\n", hdcs_head->hdc, obj);
 841
 842         if(dc)
 843         {
 844             if(dc->funcs->pDeleteObject)
 845             {
 846                 GDI_ReleaseObj( obj );  /* release the GDI lock */
 847                 dc->funcs->pDeleteObject( dc->physDev, obj );
 848                 header = GDI_GetObjPtr( obj, 0 );  /* and grab it again */
 849             }
 850             release_dc_ptr( dc );
 851         }
 852         HeapFree(GetProcessHeap(), 0, hdcs_head);
 853         if (!header) return FALSE;
 854     }
 855
 856     if (header->selcount)
 857     {
 858         TRACE("delayed for %p because object in use, count %u\n", obj, header->selcount );
 859         header->deleted = 1;  /* mark for delete */
 860         GDI_ReleaseObj( obj );
 861         return TRUE;
 862     }
 863
 864     TRACE("%p\n", obj );
 865
 866       /* Delete object */
 867
 868     funcs = header->funcs;
 869     GDI_ReleaseObj( obj );
 870     if (funcs && funcs->pDeleteObject)
 871         return funcs->pDeleteObject( obj );
 872     else
 873         return FALSE;
 874 }
 875
 876 /***********************************************************************
 877  *           GDI_hdc_using_object
 878  *
 879  * Call this if the dc requires DeleteObject notification
 880  */
 881 BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc)
 882 {
 883     GDIOBJHDR * header;
 884     struct hdc_list **pphdc;
 885
 886     TRACE("obj %p hdc %p\n", obj, hdc);
 887
 888     if (!(header = GDI_GetObjPtr( obj, 0 ))) return FALSE;
 889
 890     if (header->system)
 891     {
 892         GDI_ReleaseObj(obj);
 893         return FALSE;
 894     }
 895
 896     for(pphdc = &header->hdcs; *pphdc; pphdc = &(*pphdc)->next)
 897         if((*pphdc)->hdc == hdc)
 898             break;
 899
 900     if(!*pphdc) {
 901         *pphdc = HeapAlloc(GetProcessHeap(), 0, sizeof(**pphdc));
 902         (*pphdc)->hdc = hdc;
 903         (*pphdc)->next = NULL;
 904     }
 905
 906     GDI_ReleaseObj(obj);
 907     return TRUE;
 908 }
 909
 910 /***********************************************************************
 911  *           GDI_hdc_not_using_object
 912  *
 913  */
 914 BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc)
 915 {
 916     GDIOBJHDR * header;
 917     struct hdc_list *phdc, **prev;
 918
 919     TRACE("obj %p hdc %p\n", obj, hdc);
 920
 921     if (!(header = GDI_GetObjPtr( obj, 0 ))) return FALSE;
 922
 923     if (header->system)
 924     {
 925         GDI_ReleaseObj(obj);
 926         return FALSE;
 927     }
 928
 929     phdc = header->hdcs;
 930     prev = &header->hdcs;
 931
 932     while(phdc) {
 933         if(phdc->hdc == hdc) {
 934             *prev = phdc->next;
 935             HeapFree(GetProcessHeap(), 0, phdc);
 936             phdc = *prev;
 937         } else {
 938             prev = &phdc->next;
 939             phdc = phdc->next;
 940         }
 941     }
 942
 943     GDI_ReleaseObj(obj);
 944     return TRUE;
 945 }
 946
 947 /***********************************************************************
 948  *           GetStockObject    (GDI32.@)
 949  */
 950 HGDIOBJ WINAPI GetStockObject( INT obj )
 951 {
 952     HGDIOBJ ret;
 953     if ((obj < 0) || (obj >= NB_STOCK_OBJECTS)) return 0;
 954     ret = stock_objects[obj];
 955     TRACE("returning %p\n", ret );
 956     return ret;
 957 }
 958
 959
 960 /***********************************************************************
 961  *           GetObjectA    (GDI32.@)
 962  */
 963 INT WINAPI GetObjectA( HGDIOBJ handle, INT count, LPVOID buffer )
 964 {
 965     const struct gdi_obj_funcs *funcs;
 966     GDIOBJHDR * ptr;
 967     INT result = 0;
 968
 969     TRACE("%p %d %p\n", handle, count, buffer );
 970
 971     if (!(ptr = GDI_GetObjPtr( handle, 0 ))) return 0;
 972     funcs = ptr->funcs;
 973     GDI_ReleaseObj( handle );
 974
 975     if (funcs && funcs->pGetObjectA)
 976         result = funcs->pGetObjectA( handle, count, buffer );
 977     else
 978         SetLastError( ERROR_INVALID_HANDLE );
 979
 980     return result;
 981 }
 982
 983 /***********************************************************************
 984  *           GetObjectW    (GDI32.@)
 985  */
 986 INT WINAPI GetObjectW( HGDIOBJ handle, INT count, LPVOID buffer )
 987 {
 988     const struct gdi_obj_funcs *funcs;
 989     GDIOBJHDR * ptr;
 990     INT result = 0;
 991     TRACE("%p %d %p\n", handle, count, buffer );
 992
 993     if (!(ptr = GDI_GetObjPtr( handle, 0 ))) return 0;
 994     funcs = ptr->funcs;
 995     GDI_ReleaseObj( handle );
 996
 997     if (funcs && funcs->pGetObjectW)
 998         result = funcs->pGetObjectW( handle, count, buffer );
 999     else
1000         SetLastError( ERROR_INVALID_HANDLE );
1001
1002     return result;
1003 }
1004
1005 /***********************************************************************
1006  *           GetObjectType    (GDI32.@)
1007  */
1008 DWORD WINAPI GetObjectType( HGDIOBJ handle )
1009 {
1010     GDIOBJHDR * ptr;
1011     DWORD result;
1012
1013     if (!(ptr = GDI_GetObjPtr( handle, 0 )))
1014     {
1015         SetLastError( ERROR_INVALID_HANDLE );
1016         return 0;
1017     }
1018     result = ptr->type;
1019     GDI_ReleaseObj( handle );
1020     TRACE("%p -> %u\n", handle, result );
1021     return result;
1022 }
1023
1024 /***********************************************************************
1025  *           GetCurrentObject           (GDI32.@)
1026  *
1027  * Get the currently selected object of a given type in a device context.
1028  *
1029  * PARAMS
1030  *  hdc  [I] Device context to get the current object from
1031  *  type [I] Type of current object to get (OBJ_* defines from "wingdi.h")
1032  *
1033  * RETURNS
1034  *  Success: The current object of the given type selected in hdc.
1035  *  Failure: A NULL handle.
1036  *
1037  * NOTES
1038  * - only the following object types are supported:
1039  *| OBJ_PEN
1040  *| OBJ_BRUSH
1041  *| OBJ_PAL
1042  *| OBJ_FONT
1043  *| OBJ_BITMAP
1044  */
1045 HGDIOBJ WINAPI GetCurrentObject(HDC hdc,UINT type)
1046 {
1047     HGDIOBJ ret = 0;
1048     DC * dc = get_dc_ptr( hdc );
1049
1050     if (!dc) return 0;
1051
1052     switch (type) {
1053         case OBJ_EXTPEN: /* fall through */
1054         case OBJ_PEN:    ret = dc->hPen; break;
1055         case OBJ_BRUSH:  ret = dc->hBrush; break;
1056         case OBJ_PAL:    ret = dc->hPalette; break;
1057         case OBJ_FONT:   ret = dc->hFont; break;
1058         case OBJ_BITMAP: ret = dc->hBitmap; break;
1059
1060         /* tests show that OBJ_REGION is explicitly ignored */
1061         case OBJ_REGION: break;
1062         default:
1063             /* the SDK only mentions those above */
1064             FIXME("(%p,%d): unknown type.\n",hdc,type);
1065             break;
1066     }
1067     release_dc_ptr( dc );
1068     return ret;
1069 }
1070
1071
1072 /***********************************************************************
1073  *           SelectObject    (GDI32.@)
1074  *
1075  * Select a Gdi object into a device context.
1076  *
1077  * PARAMS
1078  *  hdc  [I] Device context to associate the object with
1079  *  hObj [I] Gdi object to associate with hdc
1080  *
1081  * RETURNS
1082  *  Success: A non-NULL handle representing the previously selected object of
1083  *           the same type as hObj.
1084  *  Failure: A NULL object. If hdc is invalid, GetLastError() returns ERROR_INVALID_HANDLE.
1085  *           if hObj is not a valid object handle, no last error is set. In either
1086  *           case, hdc is unaffected by the call.
1087  */
1088 HGDIOBJ WINAPI SelectObject( HDC hdc, HGDIOBJ hObj )
1089 {
1090     HGDIOBJ ret = 0;
1091     GDIOBJHDR *header;
1092
1093     TRACE( "(%p,%p)\n", hdc, hObj );
1094
1095     header = GDI_GetObjPtr( hObj, 0 );
1096     if (header)
1097     {
1098         const struct gdi_obj_funcs *funcs = header->funcs;
1099         GDI_ReleaseObj( hObj );
1100         if (funcs && funcs->pSelectObject) ret = funcs->pSelectObject( hObj, hdc );
1101     }
1102     return ret;
1103 }
1104
1105
1106 /***********************************************************************
1107  *           UnrealizeObject    (GDI32.@)
1108  */
1109 BOOL WINAPI UnrealizeObject( HGDIOBJ obj )
1110 {
1111     BOOL result = FALSE;
1112     GDIOBJHDR * header = GDI_GetObjPtr( obj, 0 );
1113
1114     if (header)
1115     {
1116         const struct gdi_obj_funcs *funcs = header->funcs;
1117
1118         GDI_ReleaseObj( obj );
1119         if (funcs && funcs->pUnrealizeObject)
1120             result = header->funcs->pUnrealizeObject( obj );
1121         else
1122             result = TRUE;
1123     }
1124     return result;
1125 }
1126
1127
1128 /* Solid colors to enumerate */
1129 static const COLORREF solid_colors[] =
1130 { RGB(0x00,0x00,0x00), RGB(0xff,0xff,0xff),
1131 RGB(0xff,0x00,0x00), RGB(0x00,0xff,0x00),
1132 RGB(0x00,0x00,0xff), RGB(0xff,0xff,0x00),
1133 RGB(0xff,0x00,0xff), RGB(0x00,0xff,0xff),
1134 RGB(0x80,0x00,0x00), RGB(0x00,0x80,0x00),
1135 RGB(0x80,0x80,0x00), RGB(0x00,0x00,0x80),
1136 RGB(0x80,0x00,0x80), RGB(0x00,0x80,0x80),
1137 RGB(0x80,0x80,0x80), RGB(0xc0,0xc0,0xc0)
1138 };
1139
1140
1141 /***********************************************************************
1142  *           EnumObjects    (GDI32.@)
1143  */
1144 INT WINAPI EnumObjects( HDC hdc, INT nObjType,
1145                             GOBJENUMPROC lpEnumFunc, LPARAM lParam )
1146 {
1147     UINT i;
1148     INT retval = 0;
1149     LOGPEN pen;
1150     LOGBRUSH brush;
1151
1152     TRACE("%p %d %p %08lx\n", hdc, nObjType, lpEnumFunc, lParam );
1153     switch(nObjType)
1154     {
1155     case OBJ_PEN:
1156         /* Enumerate solid pens */
1157         for (i = 0; i < sizeof(solid_colors)/sizeof(solid_colors[0]); i++)
1158         {
1159             pen.lopnStyle   = PS_SOLID;
1160             pen.lopnWidth.x = 1;
1161             pen.lopnWidth.y = 0;
1162             pen.lopnColor   = solid_colors[i];
1163             retval = lpEnumFunc( &pen, lParam );
1164             TRACE("solid pen %08x, ret=%d\n",
1165                          solid_colors[i], retval);
1166             if (!retval) break;
1167         }
1168         break;
1169
1170     case OBJ_BRUSH:
1171         /* Enumerate solid brushes */
1172         for (i = 0; i < sizeof(solid_colors)/sizeof(solid_colors[0]); i++)
1173         {
1174             brush.lbStyle = BS_SOLID;
1175             brush.lbColor = solid_colors[i];
1176             brush.lbHatch = 0;
1177             retval = lpEnumFunc( &brush, lParam );
1178             TRACE("solid brush %08x, ret=%d\n",
1179                          solid_colors[i], retval);
1180             if (!retval) break;
1181         }
1182
1183         /* Now enumerate hatched brushes */
1184         if (retval) for (i = HS_HORIZONTAL; i <= HS_DIAGCROSS; i++)
1185         {
1186             brush.lbStyle = BS_HATCHED;
1187             brush.lbColor = RGB(0,0,0);
1188             brush.lbHatch = i;
1189             retval = lpEnumFunc( &brush, lParam );
1190             TRACE("hatched brush %d, ret=%d\n",
1191                          i, retval);
1192             if (!retval) break;
1193         }
1194         break;
1195
1196     default:
1197         /* FIXME: implement Win32 types */
1198         WARN("(%d): Invalid type\n", nObjType );
1199         break;
1200     }
1201     return retval;
1202 }
1203
1204
1205 /***********************************************************************
1206  *           SetObjectOwner    (GDI32.@)
1207  */
1208 void WINAPI SetObjectOwner( HGDIOBJ handle, HANDLE owner )
1209 {
1210     /* Nothing to do */
1211 }
1212
1213 /***********************************************************************
1214  *           GdiInitializeLanguagePack    (GDI32.@)
1215  */
1216 DWORD WINAPI GdiInitializeLanguagePack( DWORD arg )
1217 {
1218     FIXME("stub\n");
1219     return 0;
1220 }
1221
1222 /***********************************************************************
1223  *           GdiFlush    (GDI32.@)
1224  */
1225 BOOL WINAPI GdiFlush(void)
1226 {
1227     return TRUE;  /* FIXME */
1228 }
1229
1230
1231 /***********************************************************************
1232  *           GdiGetBatchLimit    (GDI32.@)
1233  */
1234 DWORD WINAPI GdiGetBatchLimit(void)
1235 {
1236     return 1;  /* FIXME */
1237 }
1238
1239
1240 /***********************************************************************
1241  *           GdiSetBatchLimit    (GDI32.@)
1242  */
1243 DWORD WINAPI GdiSetBatchLimit( DWORD limit )
1244 {
1245     return 1; /* FIXME */
1246 }
1247
1248
1249 /*******************************************************************
1250  *      GetColorAdjustment [GDI32.@]
1251  *
1252  *
1253  */
1254 BOOL WINAPI GetColorAdjustment(HDC hdc, LPCOLORADJUSTMENT lpca)
1255 {
1256         FIXME("stub\n");
1257         return 0;
1258 }
1259
1260 /*******************************************************************
1261  *      GdiComment [GDI32.@]
1262  *
1263  *
1264  */
1265 BOOL WINAPI GdiComment(HDC hdc, UINT cbSize, const BYTE *lpData)
1266 {
1267     DC *dc = get_dc_ptr(hdc);
1268     BOOL ret = FALSE;
1269     if(dc)
1270     {
1271         if (dc->funcs->pGdiComment)
1272             ret = dc->funcs->pGdiComment( dc->physDev, cbSize, lpData );
1273         release_dc_ptr( dc );
1274     }
1275     return ret;
1276 }
1277
1278 /*******************************************************************
1279  *      SetColorAdjustment [GDI32.@]
1280  *
1281  *
1282  */
1283 BOOL WINAPI SetColorAdjustment(HDC hdc, const COLORADJUSTMENT* lpca)
1284 {
1285         FIXME("stub\n");
1286         return 0;
1287 }