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 HMODULE gdi32_module = 0;
  46
  47 /***********************************************************************
  48  *          GDI stock objects
  49  */
  50
  51 static const LOGBRUSH WhiteBrush = { BS_SOLID, RGB(255,255,255), 0 };
  52 static const LOGBRUSH BlackBrush = { BS_SOLID, RGB(0,0,0), 0 };
  53 static const LOGBRUSH NullBrush  = { BS_NULL, 0, 0 };
  54
  55 static const LOGBRUSH LtGrayBrush = { BS_SOLID, RGB(192,192,192), 0 };
  56 static const LOGBRUSH GrayBrush   = { BS_SOLID, RGB(128,128,128), 0 };
  57 static const LOGBRUSH DkGrayBrush = { BS_SOLID, RGB(64,64,64), 0 };
  58
  59 static const LOGPEN WhitePen = { PS_SOLID, { 0, 0 }, RGB(255,255,255) };
  60 static const LOGPEN BlackPen = { PS_SOLID, { 0, 0 }, RGB(0,0,0) };
  61 static const LOGPEN NullPen  = { PS_NULL,  { 0, 0 }, 0 };
  62
  63 static const LOGBRUSH DCBrush = { BS_SOLID, RGB(255,255,255), 0 };
  64 static const LOGPEN DCPen     = { PS_SOLID, { 0, 0 }, RGB(0,0,0) };
  65
  66 /* reserve one extra entry for the stock default bitmap */
  67 /* this is what Windows does too */
  68 #define NB_STOCK_OBJECTS (STOCK_LAST+2)
  69
  70 static HGDIOBJ stock_objects[NB_STOCK_OBJECTS];
  71
  72 static CRITICAL_SECTION gdi_section;
  73 static CRITICAL_SECTION_DEBUG critsect_debug =
  74 {
  75     0, 0, &gdi_section,
  76     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  77       0, 0, { (DWORD_PTR)(__FILE__ ": gdi_section") }
  78 };
  79 static CRITICAL_SECTION gdi_section = { &critsect_debug, -1, 0, 0, 0, 0 };
  80
  81
  82 /****************************************************************************
  83  *
  84  *      language-independent stock fonts
  85  *
  86  */
  87
  88 static const LOGFONTW OEMFixedFont =
  89 { 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, OEM_CHARSET,
  90   0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, {'\0'} };
  91
  92 static const LOGFONTW AnsiFixedFont =
  93 { 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
  94   0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
  95   {'C','o','u','r','i','e','r','\0'} };
  96
  97 static const LOGFONTW AnsiVarFont =
  98 { 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
  99   0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 100   {'M','S',' ','S','a','n','s',' ','S','e','r','i','f','\0'} };
 101
 102 /******************************************************************************
 103  *
 104  *      language-dependent stock fonts
 105  *
 106  *      'ANSI' charset and 'DEFAULT' charset is not same.
 107  *      The chars in CP_ACP should be drawn with 'DEFAULT' charset.
 108  *      'ANSI' charset seems to be identical with ISO-8859-1.
 109  *      'DEFAULT' charset is a language-dependent charset.
 110  *
 111  *      'System' font seems to be an alias for language-dependent font.
 112  */
 113
 114 /*
 115  * language-dependent stock fonts for all known charsets
 116  * please see TranslateCharsetInfo (dlls/gdi/font.c) and
 117  * CharsetBindingInfo (dlls/x11drv/xfont.c),
 118  * and modify entries for your language if needed.
 119  */
 120 struct DefaultFontInfo
 121 {
 122         UINT            charset;
 123         LOGFONTW        SystemFont;
 124         LOGFONTW        DeviceDefaultFont;
 125         LOGFONTW        SystemFixedFont;
 126         LOGFONTW        DefaultGuiFont; /* Note for this font the lfHeight member should be the point size */
 127 };
 128
 129 static const struct DefaultFontInfo default_fonts[] =
 130 {
 131     {   ANSI_CHARSET,
 132         { /* System */
 133           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 134            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 135            {'S','y','s','t','e','m','\0'}
 136         },
 137         { /* Device Default */
 138           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 139            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 140            {'\0'}
 141         },
 142         { /* System Fixed */
 143           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 144            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 145            {'\0'}
 146         },
 147         { /* DefaultGuiFont */
 148            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 149            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 150            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 151         },
 152     },
 153     {   EASTEUROPE_CHARSET,
 154         { /* System */
 155           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 156            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 157            {'S','y','s','t','e','m','\0'}
 158         },
 159         { /* Device Default */
 160           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 161            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 162            {'\0'}
 163         },
 164         { /* System Fixed */
 165           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 166            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 167            {'\0'}
 168         },
 169         { /* DefaultGuiFont */
 170            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 171            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 172            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 173         },
 174     },
 175     {   RUSSIAN_CHARSET,
 176         { /* System */
 177           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 178            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 179            {'S','y','s','t','e','m','\0'}
 180         },
 181         { /* Device Default */
 182           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 183            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 184            {'\0'}
 185         },
 186         { /* System Fixed */
 187           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 188            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 189            {'\0'}
 190         },
 191         { /* DefaultGuiFont */
 192            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 193            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 194            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 195         },
 196     },
 197     {   GREEK_CHARSET,
 198         { /* System */
 199           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
 200            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 201            {'S','y','s','t','e','m','\0'}
 202         },
 203         { /* Device Default */
 204           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
 205            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 206            {'\0'}
 207         },
 208         { /* System Fixed */
 209           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
 210            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 211            {'\0'}
 212         },
 213         { /* DefaultGuiFont */
 214            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
 215            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 216            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 217         },
 218     },
 219     {   TURKISH_CHARSET,
 220         { /* System */
 221           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 222            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 223            {'S','y','s','t','e','m','\0'}
 224         },
 225         { /* Device Default */
 226           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 227            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 228            {'\0'}
 229         },
 230         { /* System Fixed */
 231           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 232            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 233            {'\0'}
 234         },
 235         { /* DefaultGuiFont */
 236            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 237            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 238            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 239         },
 240     },
 241     {   HEBREW_CHARSET,
 242         { /* System */
 243           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 244            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 245            {'S','y','s','t','e','m','\0'}
 246         },
 247         { /* Device Default */
 248           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 249            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 250            {'\0'}
 251         },
 252         { /* System Fixed */
 253           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 254            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 255            {'\0'}
 256         },
 257         { /* DefaultGuiFont */
 258            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 259            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 260            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 261         },
 262     },
 263     {   ARABIC_CHARSET,
 264         { /* System */
 265           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 266            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 267            {'S','y','s','t','e','m','\0'}
 268         },
 269         { /* Device Default */
 270           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 271            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 272            {'\0'}
 273         },
 274         { /* System Fixed */
 275           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 276            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 277            {'\0'}
 278         },
 279         { /* DefaultGuiFont */
 280            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 281            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 282            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 283         },
 284     },
 285     {   BALTIC_CHARSET,
 286         { /* System */
 287           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 288            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 289            {'S','y','s','t','e','m','\0'}
 290         },
 291         { /* Device Default */
 292           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 293            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 294            {'\0'}
 295         },
 296         { /* System Fixed */
 297           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 298            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 299            {'\0'}
 300         },
 301         { /* DefaultGuiFont */
 302            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 303            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 304            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 305         },
 306     },
 307     {   THAI_CHARSET,
 308         { /* System */
 309           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
 310            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 311            {'S','y','s','t','e','m','\0'}
 312         },
 313         { /* Device Default */
 314           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
 315            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 316            {'\0'}
 317         },
 318         { /* System Fixed */
 319           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
 320            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 321            {'\0'}
 322         },
 323         { /* DefaultGuiFont */
 324            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
 325            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 326            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 327         },
 328     },
 329     {   SHIFTJIS_CHARSET,
 330         { /* System */
 331           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 332            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 333            {'S','y','s','t','e','m','\0'}
 334         },
 335         { /* Device Default */
 336           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 337            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 338            {'\0'}
 339         },
 340         { /* System Fixed */
 341           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 342            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 343            {'\0'}
 344         },
 345         { /* DefaultGuiFont */
 346            9, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 347            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 348            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 349         },
 350     },
 351     {   GB2312_CHARSET,
 352         { /* System */
 353           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
 354            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 355            {'S','y','s','t','e','m','\0'}
 356         },
 357         { /* Device Default */
 358           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
 359            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 360            {'\0'}
 361         },
 362         { /* System Fixed */
 363           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
 364            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 365            {'\0'}
 366         },
 367         { /* DefaultGuiFont */
 368            9, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
 369            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 370            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 371         },
 372     },
 373     {   HANGEUL_CHARSET,
 374         { /* System */
 375           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 376            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 377            {'S','y','s','t','e','m','\0'}
 378         },
 379         { /* Device Default */
 380           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 381            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 382            {'\0'}
 383         },
 384         { /* System Fixed */
 385           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 386            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 387            {'\0'}
 388         },
 389         { /* DefaultGuiFont */
 390            9, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 391            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 392            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 393         },
 394     },
 395     {   CHINESEBIG5_CHARSET,
 396         { /* System */
 397           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 398            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 399            {'S','y','s','t','e','m','\0'}
 400         },
 401         { /* Device Default */
 402           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 403            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 404            {'\0'}
 405         },
 406         { /* System Fixed */
 407           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 408            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 409            {'\0'}
 410         },
 411         { /* DefaultGuiFont */
 412            9, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 413            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 414            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 415         },
 416     },
 417     {   JOHAB_CHARSET,
 418         { /* System */
 419           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 420            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 421            {'S','y','s','t','e','m','\0'}
 422         },
 423         { /* Device Default */
 424           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 425            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 426            {'\0'}
 427         },
 428         { /* System Fixed */
 429           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 430            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 431            {'\0'}
 432         },
 433         { /* DefaultGuiFont */
 434            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 435            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 436            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 437         },
 438     },
 439 };
 440
 441
 442 /*************************************************************************
 443  * __wine_make_gdi_object_system    (GDI32.@)
 444  *
 445  * USER has to tell GDI that its system brushes and pens are non-deletable.
 446  * For a description of the GDI object magics and their flags,
 447  * see "Undocumented Windows" (wrong about the OBJECT_NOSYSTEM flag, though).
 448  */
 449 void CDECL __wine_make_gdi_object_system( HGDIOBJ handle, BOOL set)
 450 {
 451     GDIOBJHDR *ptr = GDI_GetObjPtr( handle, 0 );
 452     ptr->system = !!set;
 453     GDI_ReleaseObj( handle );
 454 }
 455
 456 /******************************************************************************
 457  *      get_default_fonts
 458  */
 459 static const struct DefaultFontInfo* get_default_fonts(UINT charset)
 460 {
 461         unsigned int n;
 462
 463         for(n=0;n<(sizeof(default_fonts)/sizeof(default_fonts[0]));n++)
 464         {
 465                 if ( default_fonts[n].charset == charset )
 466                         return &default_fonts[n];
 467         }
 468
 469         FIXME( "unhandled charset 0x%08x - use ANSI_CHARSET for default stock objects\n", charset );
 470         return &default_fonts[0];
 471 }
 472
 473
 474 /******************************************************************************
 475  *      get_default_charset    (internal)
 476  *
 477  * get the language-dependent charset that can handle CP_ACP correctly.
 478  */
 479 static UINT get_default_charset( void )
 480 {
 481     CHARSETINFO     csi;
 482     UINT    uACP;
 483
 484     uACP = GetACP();
 485     csi.ciCharset = ANSI_CHARSET;
 486     if ( !TranslateCharsetInfo( ULongToPtr(uACP), &csi, TCI_SRCCODEPAGE ) )
 487     {
 488         FIXME( "unhandled codepage %u - use ANSI_CHARSET for default stock objects\n", uACP );
 489         return ANSI_CHARSET;
 490     }
 491
 492     return csi.ciCharset;
 493 }
 494
 495 static const WCHAR dpi_key_name[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s','\0'};
 496 static const WCHAR dpi_value_name[] = {'L','o','g','P','i','x','e','l','s','\0'};
 497
 498 /******************************************************************************
 499  *      get_dpi   (internal)
 500  *
 501  * get the dpi from the registry
 502  */
 503 static DWORD get_dpi( void )
 504 {
 505     DWORD dpi = 96;
 506     HKEY hkey;
 507
 508     if (RegOpenKeyW(HKEY_CURRENT_CONFIG, dpi_key_name, &hkey) == ERROR_SUCCESS)
 509     {
 510         DWORD type, size, new_dpi;
 511
 512         size = sizeof(new_dpi);
 513         if(RegQueryValueExW(hkey, dpi_value_name, NULL, &type, (void *)&new_dpi, &size) == ERROR_SUCCESS)
 514         {
 515             if(type == REG_DWORD && new_dpi != 0)
 516                 dpi = new_dpi;
 517         }
 518         RegCloseKey(hkey);
 519     }
 520     return dpi;
 521 }
 522
 523
 524 /***********************************************************************
 525  *           GDI_inc_ref_count
 526  *
 527  * Increment the reference count of a GDI object.
 528  */
 529 HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle )
 530 {
 531     GDIOBJHDR *header;
 532
 533     if ((header = GDI_GetObjPtr( handle, 0 )))
 534     {
 535         header->selcount++;
 536         GDI_ReleaseObj( handle );
 537     }
 538     else handle = 0;
 539
 540     return handle;
 541 }
 542
 543
 544 /***********************************************************************
 545  *           GDI_dec_ref_count
 546  *
 547  * Decrement the reference count of a GDI object.
 548  */
 549 BOOL GDI_dec_ref_count( HGDIOBJ handle )
 550 {
 551     GDIOBJHDR *header;
 552
 553     if ((header = GDI_GetObjPtr( handle, 0 )))
 554     {
 555         assert( header->selcount );
 556         if (!--header->selcount && header->deleted)
 557         {
 558             /* handle delayed DeleteObject*/
 559             header->deleted = 0;
 560             GDI_ReleaseObj( handle );
 561             TRACE( "executing delayed DeleteObject for %p\n", handle );
 562             DeleteObject( handle );
 563         }
 564         else GDI_ReleaseObj( handle );
 565     }
 566     return header != NULL;
 567 }
 568
 569
 570 /***********************************************************************
 571  *           DllMain
 572  *
 573  * GDI initialization.
 574  */
 575 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
 576 {
 577     LOGFONTW default_gui_font;
 578     const struct DefaultFontInfo* deffonts;
 579     int i;
 580
 581     if (reason != DLL_PROCESS_ATTACH) return TRUE;
 582
 583     gdi32_module = inst;
 584     DisableThreadLibraryCalls( inst );
 585     WineEngInit();
 586
 587     /* create stock objects */
 588     stock_objects[WHITE_BRUSH]  = CreateBrushIndirect( &WhiteBrush );
 589     stock_objects[LTGRAY_BRUSH] = CreateBrushIndirect( &LtGrayBrush );
 590     stock_objects[GRAY_BRUSH]   = CreateBrushIndirect( &GrayBrush );
 591     stock_objects[DKGRAY_BRUSH] = CreateBrushIndirect( &DkGrayBrush );
 592     stock_objects[BLACK_BRUSH]  = CreateBrushIndirect( &BlackBrush );
 593     stock_objects[NULL_BRUSH]   = CreateBrushIndirect( &NullBrush );
 594
 595     stock_objects[WHITE_PEN]    = CreatePenIndirect( &WhitePen );
 596     stock_objects[BLACK_PEN]    = CreatePenIndirect( &BlackPen );
 597     stock_objects[NULL_PEN]     = CreatePenIndirect( &NullPen );
 598
 599     stock_objects[DEFAULT_PALETTE] = PALETTE_Init();
 600     stock_objects[DEFAULT_BITMAP]  = CreateBitmap( 1, 1, 1, 1, NULL );
 601
 602     /* language-independent stock fonts */
 603     stock_objects[OEM_FIXED_FONT]      = CreateFontIndirectW( &OEMFixedFont );
 604     stock_objects[ANSI_FIXED_FONT]     = CreateFontIndirectW( &AnsiFixedFont );
 605     stock_objects[ANSI_VAR_FONT]       = CreateFontIndirectW( &AnsiVarFont );
 606
 607     /* language-dependent stock fonts */
 608     deffonts = get_default_fonts(get_default_charset());
 609     stock_objects[SYSTEM_FONT]         = CreateFontIndirectW( &deffonts->SystemFont );
 610     stock_objects[DEVICE_DEFAULT_FONT] = CreateFontIndirectW( &deffonts->DeviceDefaultFont );
 611     stock_objects[SYSTEM_FIXED_FONT]   = CreateFontIndirectW( &deffonts->SystemFixedFont );
 612
 613     /* For the default gui font, we use the lfHeight member in deffonts as a place-holder
 614        for the point size so we must convert this into a true height */
 615     default_gui_font = deffonts->DefaultGuiFont;
 616     default_gui_font.lfHeight = -MulDiv(default_gui_font.lfHeight, get_dpi(), 72);
 617     stock_objects[DEFAULT_GUI_FONT]    = CreateFontIndirectW( &default_gui_font );
 618
 619     stock_objects[DC_BRUSH]     = CreateBrushIndirect( &DCBrush );
 620     stock_objects[DC_PEN]       = CreatePenIndirect( &DCPen );
 621
 622     /* clear the NOSYSTEM bit on all stock objects*/
 623     for (i = 0; i < NB_STOCK_OBJECTS; i++)
 624     {
 625         if (!stock_objects[i])
 626         {
 627             if (i == 9) continue;  /* there's no stock object 9 */
 628             ERR( "could not create stock object %d\n", i );
 629             return FALSE;
 630         }
 631         __wine_make_gdi_object_system( stock_objects[i], TRUE );
 632     }
 633
 634     return TRUE;
 635 }
 636
 637 #define FIRST_LARGE_HANDLE 16
 638 #define MAX_LARGE_HANDLES ((GDI_HEAP_SIZE >> 2) - FIRST_LARGE_HANDLE)
 639 static GDIOBJHDR *large_handles[MAX_LARGE_HANDLES];
 640 static int next_large_handle;
 641 static LONG debug_count;
 642
 643 static const char *gdi_obj_type( unsigned type )
 644 {
 645     switch ( type )
 646     {
 647         case OBJ_PEN: return "OBJ_PEN";
 648         case OBJ_BRUSH: return "OBJ_BRUSH";
 649         case OBJ_DC: return "OBJ_DC";
 650         case OBJ_METADC: return "OBJ_METADC";
 651         case OBJ_PAL: return "OBJ_PAL";
 652         case OBJ_FONT: return "OBJ_FONT";
 653         case OBJ_BITMAP: return "OBJ_BITMAP";
 654         case OBJ_REGION: return "OBJ_REGION";
 655         case OBJ_METAFILE: return "OBJ_METAFILE";
 656         case OBJ_MEMDC: return "OBJ_MEMDC";
 657         case OBJ_EXTPEN: return "OBJ_EXTPEN";
 658         case OBJ_ENHMETADC: return "OBJ_ENHMETADC";
 659         case OBJ_ENHMETAFILE: return "OBJ_ENHMETAFILE";
 660         case OBJ_COLORSPACE: return "OBJ_COLORSPACE";
 661         default: return "UNKNOWN";
 662     }
 663 }
 664
 665 static void dump_gdi_objects( void )
 666 {
 667     int i;
 668
 669     TRACE( "%u objects:\n", MAX_LARGE_HANDLES );
 670
 671     EnterCriticalSection( &gdi_section );
 672     for (i = 0; i < MAX_LARGE_HANDLES; i++)
 673     {
 674         if (!large_handles[i])
 675         {
 676             TRACE( "index %d handle %p FREE\n", i, (HGDIOBJ)(ULONG_PTR)((i + FIRST_LARGE_HANDLE) << 2) );
 677             continue;
 678         }
 679         TRACE( "handle %p obj %p type %s selcount %u deleted %u\n",
 680                (HGDIOBJ)(ULONG_PTR)((i + FIRST_LARGE_HANDLE) << 2),
 681                large_handles[i], gdi_obj_type( large_handles[i]->type ),
 682                large_handles[i]->selcount, large_handles[i]->deleted );
 683     }
 684     LeaveCriticalSection( &gdi_section );
 685 }
 686
 687 /***********************************************************************
 688  *           alloc_gdi_handle
 689  *
 690  * Allocate a GDI handle for an object, which must have been allocated on the process heap.
 691  */
 692 HGDIOBJ alloc_gdi_handle( GDIOBJHDR *obj, WORD type, const struct gdi_obj_funcs *funcs )
 693 {
 694     int i;
 695
 696     /* initialize the object header */
 697     obj->type     = type;
 698     obj->system   = 0;
 699     obj->deleted  = 0;
 700     obj->selcount = 0;
 701     obj->funcs    = funcs;
 702     obj->hdcs     = NULL;
 703
 704     EnterCriticalSection( &gdi_section );
 705     for (i = next_large_handle + 1; i < MAX_LARGE_HANDLES; i++)
 706         if (!large_handles[i]) goto found;
 707     for (i = 0; i <= next_large_handle; i++)
 708         if (!large_handles[i]) goto found;
 709     LeaveCriticalSection( &gdi_section );
 710
 711     ERR( "out of GDI object handles, expect a crash\n" );
 712     if (TRACE_ON(gdi)) dump_gdi_objects();
 713     return 0;
 714
 715  found:
 716     large_handles[i] = obj;
 717     next_large_handle = i;
 718     LeaveCriticalSection( &gdi_section );
 719     TRACE( "allocated %s %p %u/%u\n",
 720            gdi_obj_type(type), (HGDIOBJ)(ULONG_PTR)((i + FIRST_LARGE_HANDLE) << 2),
 721            InterlockedIncrement( &debug_count ), MAX_LARGE_HANDLES );
 722     return (HGDIOBJ)(ULONG_PTR)((i + FIRST_LARGE_HANDLE) << 2);
 723 }
 724
 725
 726 /***********************************************************************
 727  *           free_gdi_handle
 728  *
 729  * Free a GDI handle and return a pointer to the object.
 730  */
 731 void *free_gdi_handle( HGDIOBJ handle )
 732 {
 733     GDIOBJHDR *object = NULL;
 734     int i;
 735
 736     i = ((ULONG_PTR)handle >> 2) - FIRST_LARGE_HANDLE;
 737     if (i >= 0 && i < MAX_LARGE_HANDLES)
 738     {
 739         EnterCriticalSection( &gdi_section );
 740         object = large_handles[i];
 741         large_handles[i] = NULL;
 742         LeaveCriticalSection( &gdi_section );
 743     }
 744     if (object)
 745     {
 746         TRACE( "freed %s %p %u/%u\n", gdi_obj_type( object->type ), handle,
 747                InterlockedDecrement( &debug_count ) + 1, MAX_LARGE_HANDLES );
 748         object->type  = 0;  /* mark it as invalid */
 749         object->funcs = NULL;
 750     }
 751     return object;
 752 }
 753
 754
 755 /***********************************************************************
 756  *           GDI_GetObjPtr
 757  *
 758  * Return a pointer to the GDI object associated to the handle.
 759  * Return NULL if the object has the wrong magic number.
 760  * The object must be released with GDI_ReleaseObj.
 761  */
 762 void *GDI_GetObjPtr( HGDIOBJ handle, WORD type )
 763 {
 764     GDIOBJHDR *ptr = NULL;
 765     int i;
 766
 767     EnterCriticalSection( &gdi_section );
 768
 769     i = ((UINT_PTR)handle >> 2) - FIRST_LARGE_HANDLE;
 770     if (i >= 0 && i < MAX_LARGE_HANDLES)
 771     {
 772         ptr = large_handles[i];
 773         if (ptr && type && ptr->type != type) ptr = NULL;
 774     }
 775
 776     if (!ptr)
 777     {
 778         LeaveCriticalSection( &gdi_section );
 779         WARN( "Invalid handle %p\n", handle );
 780     }
 781
 782     return ptr;
 783 }
 784
 785
 786 /***********************************************************************
 787  *           GDI_ReleaseObj
 788  *
 789  */
 790 void GDI_ReleaseObj( HGDIOBJ handle )
 791 {
 792     LeaveCriticalSection( &gdi_section );
 793 }
 794
 795
 796 /***********************************************************************
 797  *           GDI_CheckNotLock
 798  */
 799 void GDI_CheckNotLock(void)
 800 {
 801     if (gdi_section.OwningThread == ULongToHandle(GetCurrentThreadId()) && gdi_section.RecursionCount)
 802     {
 803         ERR( "BUG: holding GDI lock\n" );
 804         DebugBreak();
 805     }
 806 }
 807
 808
 809 /***********************************************************************
 810  *           DeleteObject    (GDI32.@)
 811  *
 812  * Delete a Gdi object.
 813  *
 814  * PARAMS
 815  *  obj [I] Gdi object to delete
 816  *
 817  * RETURNS
 818  *  Success: TRUE. If obj was not returned from GetStockObject(), any resources
 819  *           it consumed are released.
 820  *  Failure: FALSE, if obj is not a valid Gdi object, or is currently selected
 821  *           into a DC.
 822  */
 823 BOOL WINAPI DeleteObject( HGDIOBJ obj )
 824 {
 825       /* Check if object is valid */
 826
 827     struct hdc_list *hdcs_head;
 828     const struct gdi_obj_funcs *funcs;
 829     GDIOBJHDR * header;
 830
 831     if (HIWORD(obj)) return FALSE;
 832
 833     if (!(header = GDI_GetObjPtr( obj, 0 ))) return FALSE;
 834
 835     if (header->system)
 836     {
 837         TRACE("Preserving system object %p\n", obj);
 838         GDI_ReleaseObj( obj );
 839         return TRUE;
 840     }
 841
 842     while ((hdcs_head = header->hdcs) != NULL)
 843     {
 844         DC *dc = get_dc_ptr(hdcs_head->hdc);
 845
 846         header->hdcs = hdcs_head->next;
 847         TRACE("hdc %p has interest in %p\n", hdcs_head->hdc, obj);
 848
 849         if(dc)
 850         {
 851             PHYSDEV physdev = GET_DC_PHYSDEV( dc, pDeleteObject );
 852             GDI_ReleaseObj( obj );  /* release the GDI lock */
 853             physdev->funcs->pDeleteObject( physdev, obj );
 854             header = GDI_GetObjPtr( obj, 0 );  /* and grab it again */
 855             release_dc_ptr( dc );
 856         }
 857         HeapFree(GetProcessHeap(), 0, hdcs_head);
 858         if (!header) return FALSE;
 859     }
 860
 861     if (header->selcount)
 862     {
 863         TRACE("delayed for %p because object in use, count %u\n", obj, header->selcount );
 864         header->deleted = 1;  /* mark for delete */
 865         GDI_ReleaseObj( obj );
 866         return TRUE;
 867     }
 868
 869     TRACE("%p\n", obj );
 870
 871       /* Delete object */
 872
 873     funcs = header->funcs;
 874     GDI_ReleaseObj( obj );
 875     if (funcs && funcs->pDeleteObject)
 876         return funcs->pDeleteObject( obj );
 877     else
 878         return FALSE;
 879 }
 880
 881 /***********************************************************************
 882  *           GDI_hdc_using_object
 883  *
 884  * Call this if the dc requires DeleteObject notification
 885  */
 886 BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc)
 887 {
 888     GDIOBJHDR * header;
 889     struct hdc_list **pphdc;
 890
 891     TRACE("obj %p hdc %p\n", obj, hdc);
 892
 893     if (!(header = GDI_GetObjPtr( obj, 0 ))) return FALSE;
 894
 895     if (header->system)
 896     {
 897         GDI_ReleaseObj(obj);
 898         return FALSE;
 899     }
 900
 901     for(pphdc = &header->hdcs; *pphdc; pphdc = &(*pphdc)->next)
 902         if((*pphdc)->hdc == hdc)
 903             break;
 904
 905     if(!*pphdc) {
 906         *pphdc = HeapAlloc(GetProcessHeap(), 0, sizeof(**pphdc));
 907         (*pphdc)->hdc = hdc;
 908         (*pphdc)->next = NULL;
 909     }
 910
 911     GDI_ReleaseObj(obj);
 912     return TRUE;
 913 }
 914
 915 /***********************************************************************
 916  *           GDI_hdc_not_using_object
 917  *
 918  */
 919 BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc)
 920 {
 921     GDIOBJHDR * header;
 922     struct hdc_list *phdc, **prev;
 923
 924     TRACE("obj %p hdc %p\n", obj, hdc);
 925
 926     if (!(header = GDI_GetObjPtr( obj, 0 ))) return FALSE;
 927
 928     if (header->system)
 929     {
 930         GDI_ReleaseObj(obj);
 931         return FALSE;
 932     }
 933
 934     phdc = header->hdcs;
 935     prev = &header->hdcs;
 936
 937     while(phdc) {
 938         if(phdc->hdc == hdc) {
 939             *prev = phdc->next;
 940             HeapFree(GetProcessHeap(), 0, phdc);
 941             phdc = *prev;
 942         } else {
 943             prev = &phdc->next;
 944             phdc = phdc->next;
 945         }
 946     }
 947
 948     GDI_ReleaseObj(obj);
 949     return TRUE;
 950 }
 951
 952 /***********************************************************************
 953  *           GetStockObject    (GDI32.@)
 954  */
 955 HGDIOBJ WINAPI GetStockObject( INT obj )
 956 {
 957     HGDIOBJ ret;
 958     if ((obj < 0) || (obj >= NB_STOCK_OBJECTS)) return 0;
 959     ret = stock_objects[obj];
 960     TRACE("returning %p\n", ret );
 961     return ret;
 962 }
 963
 964
 965 /***********************************************************************
 966  *           GetObjectA    (GDI32.@)
 967  */
 968 INT WINAPI GetObjectA( HGDIOBJ handle, INT count, LPVOID buffer )
 969 {
 970     const struct gdi_obj_funcs *funcs;
 971     GDIOBJHDR * ptr;
 972     INT result = 0;
 973
 974     TRACE("%p %d %p\n", handle, count, buffer );
 975
 976     if (!(ptr = GDI_GetObjPtr( handle, 0 ))) return 0;
 977     funcs = ptr->funcs;
 978     GDI_ReleaseObj( handle );
 979
 980     if (funcs && funcs->pGetObjectA)
 981     {
 982         if (buffer && ((ULONG_PTR)buffer >> 16) == 0) /* catch apps getting argument order wrong */
 983             SetLastError( ERROR_NOACCESS );
 984         else
 985             result = funcs->pGetObjectA( handle, count, buffer );
 986     }
 987     else
 988         SetLastError( ERROR_INVALID_HANDLE );
 989
 990     return result;
 991 }
 992
 993 /***********************************************************************
 994  *           GetObjectW    (GDI32.@)
 995  */
 996 INT WINAPI GetObjectW( HGDIOBJ handle, INT count, LPVOID buffer )
 997 {
 998     const struct gdi_obj_funcs *funcs;
 999     GDIOBJHDR * ptr;
1000     INT result = 0;
1001     TRACE("%p %d %p\n", handle, count, buffer );
1002
1003     if (!(ptr = GDI_GetObjPtr( handle, 0 ))) return 0;
1004     funcs = ptr->funcs;
1005     GDI_ReleaseObj( handle );
1006
1007     if (funcs && funcs->pGetObjectW)
1008     {
1009         if (buffer && ((ULONG_PTR)buffer >> 16) == 0) /* catch apps getting argument order wrong */
1010             SetLastError( ERROR_NOACCESS );
1011         else
1012             result = funcs->pGetObjectW( handle, count, buffer );
1013     }
1014     else
1015         SetLastError( ERROR_INVALID_HANDLE );
1016
1017     return result;
1018 }
1019
1020 /***********************************************************************
1021  *           GetObjectType    (GDI32.@)
1022  */
1023 DWORD WINAPI GetObjectType( HGDIOBJ handle )
1024 {
1025     GDIOBJHDR * ptr;
1026     DWORD result;
1027
1028     if (!(ptr = GDI_GetObjPtr( handle, 0 )))
1029     {
1030         SetLastError( ERROR_INVALID_HANDLE );
1031         return 0;
1032     }
1033     result = ptr->type;
1034     GDI_ReleaseObj( handle );
1035     TRACE("%p -> %u\n", handle, result );
1036     return result;
1037 }
1038
1039 /***********************************************************************
1040  *           GetCurrentObject           (GDI32.@)
1041  *
1042  * Get the currently selected object of a given type in a device context.
1043  *
1044  * PARAMS
1045  *  hdc  [I] Device context to get the current object from
1046  *  type [I] Type of current object to get (OBJ_* defines from "wingdi.h")
1047  *
1048  * RETURNS
1049  *  Success: The current object of the given type selected in hdc.
1050  *  Failure: A NULL handle.
1051  *
1052  * NOTES
1053  * - only the following object types are supported:
1054  *| OBJ_PEN
1055  *| OBJ_BRUSH
1056  *| OBJ_PAL
1057  *| OBJ_FONT
1058  *| OBJ_BITMAP
1059  */
1060 HGDIOBJ WINAPI GetCurrentObject(HDC hdc,UINT type)
1061 {
1062     HGDIOBJ ret = 0;
1063     DC * dc = get_dc_ptr( hdc );
1064
1065     if (!dc) return 0;
1066
1067     switch (type) {
1068         case OBJ_EXTPEN: /* fall through */
1069         case OBJ_PEN:    ret = dc->hPen; break;
1070         case OBJ_BRUSH:  ret = dc->hBrush; break;
1071         case OBJ_PAL:    ret = dc->hPalette; break;
1072         case OBJ_FONT:   ret = dc->hFont; break;
1073         case OBJ_BITMAP: ret = dc->hBitmap; break;
1074
1075         /* tests show that OBJ_REGION is explicitly ignored */
1076         case OBJ_REGION: break;
1077         default:
1078             /* the SDK only mentions those above */
1079             FIXME("(%p,%d): unknown type.\n",hdc,type);
1080             break;
1081     }
1082     release_dc_ptr( dc );
1083     return ret;
1084 }
1085
1086
1087 /***********************************************************************
1088  *           SelectObject    (GDI32.@)
1089  *
1090  * Select a Gdi object into a device context.
1091  *
1092  * PARAMS
1093  *  hdc  [I] Device context to associate the object with
1094  *  hObj [I] Gdi object to associate with hdc
1095  *
1096  * RETURNS
1097  *  Success: A non-NULL handle representing the previously selected object of
1098  *           the same type as hObj.
1099  *  Failure: A NULL object. If hdc is invalid, GetLastError() returns ERROR_INVALID_HANDLE.
1100  *           if hObj is not a valid object handle, no last error is set. In either
1101  *           case, hdc is unaffected by the call.
1102  */
1103 HGDIOBJ WINAPI SelectObject( HDC hdc, HGDIOBJ hObj )
1104 {
1105     HGDIOBJ ret = 0;
1106     GDIOBJHDR *header;
1107
1108     TRACE( "(%p,%p)\n", hdc, hObj );
1109
1110     header = GDI_GetObjPtr( hObj, 0 );
1111     if (header)
1112     {
1113         const struct gdi_obj_funcs *funcs = header->funcs;
1114         GDI_ReleaseObj( hObj );
1115         if (funcs && funcs->pSelectObject) ret = funcs->pSelectObject( hObj, hdc );
1116     }
1117     return ret;
1118 }
1119
1120
1121 /***********************************************************************
1122  *           UnrealizeObject    (GDI32.@)
1123  */
1124 BOOL WINAPI UnrealizeObject( HGDIOBJ obj )
1125 {
1126     BOOL result = FALSE;
1127     GDIOBJHDR * header = GDI_GetObjPtr( obj, 0 );
1128
1129     if (header)
1130     {
1131         const struct gdi_obj_funcs *funcs = header->funcs;
1132
1133         GDI_ReleaseObj( obj );
1134         if (funcs && funcs->pUnrealizeObject)
1135             result = header->funcs->pUnrealizeObject( obj );
1136         else
1137             result = TRUE;
1138     }
1139     return result;
1140 }
1141
1142
1143 /* Solid colors to enumerate */
1144 static const COLORREF solid_colors[] =
1145 { RGB(0x00,0x00,0x00), RGB(0xff,0xff,0xff),
1146 RGB(0xff,0x00,0x00), RGB(0x00,0xff,0x00),
1147 RGB(0x00,0x00,0xff), RGB(0xff,0xff,0x00),
1148 RGB(0xff,0x00,0xff), RGB(0x00,0xff,0xff),
1149 RGB(0x80,0x00,0x00), RGB(0x00,0x80,0x00),
1150 RGB(0x80,0x80,0x00), RGB(0x00,0x00,0x80),
1151 RGB(0x80,0x00,0x80), RGB(0x00,0x80,0x80),
1152 RGB(0x80,0x80,0x80), RGB(0xc0,0xc0,0xc0)
1153 };
1154
1155
1156 /***********************************************************************
1157  *           EnumObjects    (GDI32.@)
1158  */
1159 INT WINAPI EnumObjects( HDC hdc, INT nObjType,
1160                             GOBJENUMPROC lpEnumFunc, LPARAM lParam )
1161 {
1162     UINT i;
1163     INT retval = 0;
1164     LOGPEN pen;
1165     LOGBRUSH brush;
1166
1167     TRACE("%p %d %p %08lx\n", hdc, nObjType, lpEnumFunc, lParam );
1168     switch(nObjType)
1169     {
1170     case OBJ_PEN:
1171         /* Enumerate solid pens */
1172         for (i = 0; i < sizeof(solid_colors)/sizeof(solid_colors[0]); i++)
1173         {
1174             pen.lopnStyle   = PS_SOLID;
1175             pen.lopnWidth.x = 1;
1176             pen.lopnWidth.y = 0;
1177             pen.lopnColor   = solid_colors[i];
1178             retval = lpEnumFunc( &pen, lParam );
1179             TRACE("solid pen %08x, ret=%d\n",
1180                          solid_colors[i], retval);
1181             if (!retval) break;
1182         }
1183         break;
1184
1185     case OBJ_BRUSH:
1186         /* Enumerate solid brushes */
1187         for (i = 0; i < sizeof(solid_colors)/sizeof(solid_colors[0]); i++)
1188         {
1189             brush.lbStyle = BS_SOLID;
1190             brush.lbColor = solid_colors[i];
1191             brush.lbHatch = 0;
1192             retval = lpEnumFunc( &brush, lParam );
1193             TRACE("solid brush %08x, ret=%d\n",
1194                          solid_colors[i], retval);
1195             if (!retval) break;
1196         }
1197
1198         /* Now enumerate hatched brushes */
1199         if (retval) for (i = HS_HORIZONTAL; i <= HS_DIAGCROSS; i++)
1200         {
1201             brush.lbStyle = BS_HATCHED;
1202             brush.lbColor = RGB(0,0,0);
1203             brush.lbHatch = i;
1204             retval = lpEnumFunc( &brush, lParam );
1205             TRACE("hatched brush %d, ret=%d\n",
1206                          i, retval);
1207             if (!retval) break;
1208         }
1209         break;
1210
1211     default:
1212         /* FIXME: implement Win32 types */
1213         WARN("(%d): Invalid type\n", nObjType );
1214         break;
1215     }
1216     return retval;
1217 }
1218
1219
1220 /***********************************************************************
1221  *           SetObjectOwner    (GDI32.@)
1222  */
1223 void WINAPI SetObjectOwner( HGDIOBJ handle, HANDLE owner )
1224 {
1225     /* Nothing to do */
1226 }
1227
1228 /***********************************************************************
1229  *           GdiInitializeLanguagePack    (GDI32.@)
1230  */
1231 DWORD WINAPI GdiInitializeLanguagePack( DWORD arg )
1232 {
1233     FIXME("stub\n");
1234     return 0;
1235 }
1236
1237 /***********************************************************************
1238  *           GdiFlush    (GDI32.@)
1239  */
1240 BOOL WINAPI GdiFlush(void)
1241 {
1242     return TRUE;  /* FIXME */
1243 }
1244
1245
1246 /***********************************************************************
1247  *           GdiGetBatchLimit    (GDI32.@)
1248  */
1249 DWORD WINAPI GdiGetBatchLimit(void)
1250 {
1251     return 1;  /* FIXME */
1252 }
1253
1254
1255 /***********************************************************************
1256  *           GdiSetBatchLimit    (GDI32.@)
1257  */
1258 DWORD WINAPI GdiSetBatchLimit( DWORD limit )
1259 {
1260     return 1; /* FIXME */
1261 }
1262
1263
1264 /*******************************************************************
1265  *      GetColorAdjustment [GDI32.@]
1266  *
1267  *
1268  */
1269 BOOL WINAPI GetColorAdjustment(HDC hdc, LPCOLORADJUSTMENT lpca)
1270 {
1271         FIXME("stub\n");
1272         return 0;
1273 }
1274
1275 /*******************************************************************
1276  *      GdiComment [GDI32.@]
1277  *
1278  *
1279  */
1280 BOOL WINAPI GdiComment(HDC hdc, UINT cbSize, const BYTE *lpData)
1281 {
1282     DC *dc = get_dc_ptr(hdc);
1283     BOOL ret = FALSE;
1284
1285     if(dc)
1286     {
1287         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pGdiComment );
1288         ret = physdev->funcs->pGdiComment( physdev, cbSize, lpData );
1289         release_dc_ptr( dc );
1290     }
1291     return ret;
1292 }
1293
1294 /*******************************************************************
1295  *      SetColorAdjustment [GDI32.@]
1296  *
1297  *
1298  */
1299 BOOL WINAPI SetColorAdjustment(HDC hdc, const COLORADJUSTMENT* lpca)
1300 {
1301         FIXME("stub\n");
1302         return 0;
1303 }