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 "winerror.h"
  33 #include "winternl.h"
  34
  35 #include "gdi_private.h"
  36 #include "wine/debug.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(gdi);
  39
  40 #define HGDIOBJ_32(h16)   ((HGDIOBJ)(ULONG_PTR)(h16))
  41
  42 #define GDI_HEAP_SIZE 0xffe0
  43
  44 /***********************************************************************
  45  *          GDI stock objects
  46  */
  47
  48 static const LOGBRUSH WhiteBrush = { BS_SOLID, RGB(255,255,255), 0 };
  49 static const LOGBRUSH BlackBrush = { BS_SOLID, RGB(0,0,0), 0 };
  50 static const LOGBRUSH NullBrush  = { BS_NULL, 0, 0 };
  51
  52 static const LOGBRUSH LtGrayBrush = { BS_SOLID, RGB(192,192,192), 0 };
  53 static const LOGBRUSH GrayBrush   = { BS_SOLID, RGB(128,128,128), 0 };
  54 static const LOGBRUSH DkGrayBrush = { BS_SOLID, RGB(64,64,64), 0 };
  55
  56 static const LOGPEN WhitePen = { PS_SOLID, { 0, 0 }, RGB(255,255,255) };
  57 static const LOGPEN BlackPen = { PS_SOLID, { 0, 0 }, RGB(0,0,0) };
  58 static const LOGPEN NullPen  = { PS_NULL,  { 0, 0 }, 0 };
  59
  60 static const LOGBRUSH DCBrush = { BS_SOLID, RGB(255,255,255), 0 };
  61 static const LOGPEN DCPen     = { PS_SOLID, { 0, 0 }, RGB(0,0,0) };
  62
  63 /* reserve one extra entry for the stock default bitmap */
  64 /* this is what Windows does too */
  65 #define NB_STOCK_OBJECTS (STOCK_LAST+2)
  66
  67 static HGDIOBJ stock_objects[NB_STOCK_OBJECTS];
  68
  69 static SYSLEVEL GDI_level;
  70 static CRITICAL_SECTION_DEBUG critsect_debug =
  71 {
  72     0, 0, &GDI_level.crst,
  73     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  74       0, 0, { (DWORD_PTR)(__FILE__ ": GDI_level") }
  75 };
  76 static SYSLEVEL GDI_level = { { &critsect_debug, -1, 0, 0, 0, 0 }, 3 };
  77
  78
  79 /****************************************************************************
  80  *
  81  *      language-independent stock fonts
  82  *
  83  */
  84
  85 static const LOGFONTW OEMFixedFont =
  86 { 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, OEM_CHARSET,
  87   0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, {'\0'} };
  88
  89 static const LOGFONTW AnsiFixedFont =
  90 { 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
  91   0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, {'\0'} };
  92
  93 static const LOGFONTW AnsiVarFont =
  94 { 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
  95   0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
  96   {'M','S',' ','S','a','n','s',' ','S','e','r','i','f','\0'} };
  97
  98 /******************************************************************************
  99  *
 100  *      language-dependent stock fonts
 101  *
 102  *      'ANSI' charset and 'DEFAULT' charset is not same.
 103  *      The chars in CP_ACP should be drawn with 'DEFAULT' charset.
 104  *      'ANSI' charset seems to be identical with ISO-8859-1.
 105  *      'DEFAULT' charset is a language-dependent charset.
 106  *
 107  *      'System' font seems to be an alias for language-dependent font.
 108  */
 109
 110 /*
 111  * language-dependent stock fonts for all known charsets
 112  * please see TranslateCharsetInfo (dlls/gdi/font.c) and
 113  * CharsetBindingInfo (dlls/x11drv/xfont.c),
 114  * and modify entries for your language if needed.
 115  */
 116 struct DefaultFontInfo
 117 {
 118         UINT            charset;
 119         LOGFONTW        SystemFont;
 120         LOGFONTW        DeviceDefaultFont;
 121         LOGFONTW        SystemFixedFont;
 122         LOGFONTW        DefaultGuiFont; /* Note for this font the lfHeight member should be the point size */
 123 };
 124
 125 static const struct DefaultFontInfo default_fonts[] =
 126 {
 127     {   ANSI_CHARSET,
 128         { /* System */
 129           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 130            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 131            {'S','y','s','t','e','m','\0'}
 132         },
 133         { /* Device Default */
 134           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 135            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 136            {'\0'}
 137         },
 138         { /* System Fixed */
 139           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 140            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 141            {'\0'}
 142         },
 143         { /* DefaultGuiFont */
 144            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 145            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 146            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 147         },
 148     },
 149     {   EASTEUROPE_CHARSET,
 150         { /* System */
 151           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 152            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 153            {'S','y','s','t','e','m','\0'}
 154         },
 155         { /* Device Default */
 156           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 157            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 158            {'\0'}
 159         },
 160         { /* System Fixed */
 161           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 162            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 163            {'\0'}
 164         },
 165         { /* DefaultGuiFont */
 166            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 167            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 168            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 169         },
 170     },
 171     {   RUSSIAN_CHARSET,
 172         { /* System */
 173           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 174            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 175            {'S','y','s','t','e','m','\0'}
 176         },
 177         { /* Device Default */
 178           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 179            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 180            {'\0'}
 181         },
 182         { /* System Fixed */
 183           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 184            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 185            {'\0'}
 186         },
 187         { /* DefaultGuiFont */
 188            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 189            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 190            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 191         },
 192     },
 193     {   GREEK_CHARSET,
 194         { /* System */
 195           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
 196            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 197            {'S','y','s','t','e','m','\0'}
 198         },
 199         { /* Device Default */
 200           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
 201            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 202            {'\0'}
 203         },
 204         { /* System Fixed */
 205           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
 206            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 207            {'\0'}
 208         },
 209         { /* DefaultGuiFont */
 210            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
 211            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 212            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 213         },
 214     },
 215     {   TURKISH_CHARSET,
 216         { /* System */
 217           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 218            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 219            {'S','y','s','t','e','m','\0'}
 220         },
 221         { /* Device Default */
 222           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 223            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 224            {'\0'}
 225         },
 226         { /* System Fixed */
 227           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 228            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 229            {'\0'}
 230         },
 231         { /* DefaultGuiFont */
 232            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 233            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 234            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 235         },
 236     },
 237     {   HEBREW_CHARSET,
 238         { /* System */
 239           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 240            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 241            {'S','y','s','t','e','m','\0'}
 242         },
 243         { /* Device Default */
 244           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 245            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 246            {'\0'}
 247         },
 248         { /* System Fixed */
 249           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 250            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 251            {'\0'}
 252         },
 253         { /* DefaultGuiFont */
 254            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 255            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 256            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 257         },
 258     },
 259     {   ARABIC_CHARSET,
 260         { /* System */
 261           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 262            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 263            {'S','y','s','t','e','m','\0'}
 264         },
 265         { /* Device Default */
 266           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 267            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 268            {'\0'}
 269         },
 270         { /* System Fixed */
 271           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 272            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 273            {'\0'}
 274         },
 275         { /* DefaultGuiFont */
 276            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 277            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 278            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 279         },
 280     },
 281     {   BALTIC_CHARSET,
 282         { /* System */
 283           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 284            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 285            {'S','y','s','t','e','m','\0'}
 286         },
 287         { /* Device Default */
 288           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 289            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 290            {'\0'}
 291         },
 292         { /* System Fixed */
 293           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 294            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 295            {'\0'}
 296         },
 297         { /* DefaultGuiFont */
 298            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 299            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 300            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 301         },
 302     },
 303     {   THAI_CHARSET,
 304         { /* System */
 305           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
 306            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 307            {'S','y','s','t','e','m','\0'}
 308         },
 309         { /* Device Default */
 310           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
 311            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 312            {'\0'}
 313         },
 314         { /* System Fixed */
 315           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
 316            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 317            {'\0'}
 318         },
 319         { /* DefaultGuiFont */
 320            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
 321            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 322            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 323         },
 324     },
 325     {   SHIFTJIS_CHARSET,
 326         { /* System */
 327           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 328            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 329            {'S','y','s','t','e','m','\0'}
 330         },
 331         { /* Device Default */
 332           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 333            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 334            {'\0'}
 335         },
 336         { /* System Fixed */
 337           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 338            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 339            {'\0'}
 340         },
 341         { /* DefaultGuiFont */
 342            9, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 343            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 344            {'M','S',' ','U','I',' ','G','o','t','h','i','c','\0'}
 345         },
 346     },
 347     {   GB2312_CHARSET,
 348         { /* System */
 349           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
 350            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 351            {'S','y','s','t','e','m','\0'}
 352         },
 353         { /* Device Default */
 354           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
 355            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 356            {'\0'}
 357         },
 358         { /* System Fixed */
 359           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
 360            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 361            {'\0'}
 362         },
 363         { /* DefaultGuiFont */
 364            9, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
 365            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 366            {'M','S',' ','S','o','n','g','\0'}   /* FIXME: Is this correct? */
 367         },
 368     },
 369     {   HANGEUL_CHARSET,
 370         { /* System */
 371           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 372            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 373            {'S','y','s','t','e','m','\0'}
 374         },
 375         { /* Device Default */
 376           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 377            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 378            {'\0'}
 379         },
 380         { /* System Fixed */
 381           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 382            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 383            {'\0'}
 384         },
 385         { /* DefaultGuiFont */
 386            9, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 387            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 388            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 389         },
 390     },
 391     {   CHINESEBIG5_CHARSET,
 392         { /* System */
 393           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 394            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 395            {'S','y','s','t','e','m','\0'}
 396         },
 397         { /* Device Default */
 398           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 399            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 400            {'\0'}
 401         },
 402         { /* System Fixed */
 403           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 404            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 405            {'\0'}
 406         },
 407         { /* DefaultGuiFont */
 408            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 409            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 410            {'\0'}       /* FIXME - what is the native font??? */
 411         },
 412     },
 413     {   JOHAB_CHARSET,
 414         { /* System */
 415           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 416            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 417            {'S','y','s','t','e','m','\0'}
 418         },
 419         { /* Device Default */
 420           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 421            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 422            {'\0'}
 423         },
 424         { /* System Fixed */
 425           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 426            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 427            {'\0'}
 428         },
 429         { /* DefaultGuiFont */
 430            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 431            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 432            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 433         },
 434     },
 435 };
 436
 437
 438 /*************************************************************************
 439  * __wine_make_gdi_object_system    (GDI32.@)
 440  *
 441  * USER has to tell GDI that its system brushes and pens are non-deletable.
 442  * For a description of the GDI object magics and their flags,
 443  * see "Undocumented Windows" (wrong about the OBJECT_NOSYSTEM flag, though).
 444  */
 445 void __wine_make_gdi_object_system( HGDIOBJ handle, BOOL set)
 446 {
 447     GDIOBJHDR *ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE );
 448
 449     /* touch the "system" bit of the wMagic field of a GDIOBJHDR */
 450     if (set)
 451         ptr->wMagic &= ~OBJECT_NOSYSTEM;
 452     else
 453         ptr->wMagic |= OBJECT_NOSYSTEM;
 454
 455     GDI_ReleaseObj( handle );
 456 }
 457
 458 /******************************************************************************
 459  *      get_default_fonts
 460  */
 461 static const struct DefaultFontInfo* get_default_fonts(UINT charset)
 462 {
 463         unsigned int n;
 464
 465         for(n=0;n<(sizeof(default_fonts)/sizeof(default_fonts[0]));n++)
 466         {
 467                 if ( default_fonts[n].charset == charset )
 468                         return &default_fonts[n];
 469         }
 470
 471         FIXME( "unhandled charset 0x%08x - use ANSI_CHARSET for default stock objects\n", charset );
 472         return &default_fonts[0];
 473 }
 474
 475
 476 /******************************************************************************
 477  *      get_default_charset    (internal)
 478  *
 479  * get the language-dependent charset that can handle CP_ACP correctly.
 480  */
 481 static UINT get_default_charset( void )
 482 {
 483     CHARSETINFO     csi;
 484     UINT    uACP;
 485
 486     uACP = GetACP();
 487     csi.ciCharset = ANSI_CHARSET;
 488     if ( !TranslateCharsetInfo( ULongToPtr(uACP), &csi, TCI_SRCCODEPAGE ) )
 489     {
 490         FIXME( "unhandled codepage %u - use ANSI_CHARSET for default stock objects\n", uACP );
 491         return ANSI_CHARSET;
 492     }
 493
 494     return csi.ciCharset;
 495 }
 496
 497 static const WCHAR dpi_key_name[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s','\0'};
 498 static const WCHAR dpi_value_name[] = {'L','o','g','P','i','x','e','l','s','\0'};
 499
 500 /******************************************************************************
 501  *      get_dpi   (internal)
 502  *
 503  * get the dpi from the registry
 504  */
 505 static DWORD get_dpi( void )
 506 {
 507     DWORD dpi = 96;
 508     HKEY hkey;
 509
 510     if (RegOpenKeyW(HKEY_CURRENT_CONFIG, dpi_key_name, &hkey) == ERROR_SUCCESS)
 511     {
 512         DWORD type, size, new_dpi;
 513
 514         size = sizeof(new_dpi);
 515         if(RegQueryValueExW(hkey, dpi_value_name, NULL, &type, (void *)&new_dpi, &size) == ERROR_SUCCESS)
 516         {
 517             if(type == REG_DWORD && new_dpi != 0)
 518                 dpi = new_dpi;
 519         }
 520         RegCloseKey(hkey);
 521     }
 522     return dpi;
 523 }
 524
 525
 526 /***********************************************************************
 527  *           inc_ref_count
 528  *
 529  * Increment the reference count of a GDI object.
 530  */
 531 static inline void inc_ref_count( GDIOBJHDR *header )
 532 {
 533     header->dwCount++;
 534 }
 535
 536
 537 /***********************************************************************
 538  *           dec_ref_count
 539  *
 540  * Decrement the reference count of a GDI object.
 541  */
 542 static inline void dec_ref_count( HGDIOBJ handle )
 543 {
 544     GDIOBJHDR *header;
 545
 546     if ((header = GDI_GetObjPtr( handle, MAGIC_DONTCARE )))
 547     {
 548         if (header->dwCount) header->dwCount--;
 549         if (header->dwCount != 0x80000000) GDI_ReleaseObj( handle );
 550         else
 551         {
 552             /* handle delayed DeleteObject*/
 553             header->dwCount = 0;
 554             GDI_ReleaseObj( handle );
 555             TRACE( "executing delayed DeleteObject for %p\n", handle );
 556             DeleteObject( handle );
 557         }
 558     }
 559 }
 560
 561
 562 /***********************************************************************
 563  *           GDI_Init
 564  *
 565  * GDI initialization.
 566  */
 567 BOOL GDI_Init(void)
 568 {
 569     LOGFONTW default_gui_font;
 570     const struct DefaultFontInfo* deffonts;
 571     int i;
 572
 573     WineEngInit();
 574
 575     /* create stock objects */
 576     stock_objects[WHITE_BRUSH]  = CreateBrushIndirect( &WhiteBrush );
 577     stock_objects[LTGRAY_BRUSH] = CreateBrushIndirect( &LtGrayBrush );
 578     stock_objects[GRAY_BRUSH]   = CreateBrushIndirect( &GrayBrush );
 579     stock_objects[DKGRAY_BRUSH] = CreateBrushIndirect( &DkGrayBrush );
 580     stock_objects[BLACK_BRUSH]  = CreateBrushIndirect( &BlackBrush );
 581     stock_objects[NULL_BRUSH]   = CreateBrushIndirect( &NullBrush );
 582
 583     stock_objects[WHITE_PEN]    = CreatePenIndirect( &WhitePen );
 584     stock_objects[BLACK_PEN]    = CreatePenIndirect( &BlackPen );
 585     stock_objects[NULL_PEN]     = CreatePenIndirect( &NullPen );
 586
 587     stock_objects[DEFAULT_PALETTE] = PALETTE_Init();
 588     stock_objects[DEFAULT_BITMAP]  = CreateBitmap( 1, 1, 1, 1, NULL );
 589
 590     /* language-independent stock fonts */
 591     stock_objects[OEM_FIXED_FONT]      = CreateFontIndirectW( &OEMFixedFont );
 592     stock_objects[ANSI_FIXED_FONT]     = CreateFontIndirectW( &AnsiFixedFont );
 593     stock_objects[ANSI_VAR_FONT]       = CreateFontIndirectW( &AnsiVarFont );
 594
 595     /* language-dependent stock fonts */
 596     deffonts = get_default_fonts(get_default_charset());
 597     stock_objects[SYSTEM_FONT]         = CreateFontIndirectW( &deffonts->SystemFont );
 598     stock_objects[DEVICE_DEFAULT_FONT] = CreateFontIndirectW( &deffonts->DeviceDefaultFont );
 599     stock_objects[SYSTEM_FIXED_FONT]   = CreateFontIndirectW( &deffonts->SystemFixedFont );
 600
 601     /* For the default gui font, we use the lfHeight member in deffonts as a place-holder
 602        for the point size so we must convert this into a true height */
 603     memcpy(&default_gui_font, &deffonts->DefaultGuiFont, sizeof(default_gui_font));
 604     default_gui_font.lfHeight = -MulDiv(default_gui_font.lfHeight, get_dpi(), 72);
 605     stock_objects[DEFAULT_GUI_FONT]    = CreateFontIndirectW( &default_gui_font );
 606
 607     stock_objects[DC_BRUSH]     = CreateBrushIndirect( &DCBrush );
 608     stock_objects[DC_PEN]       = CreatePenIndirect( &DCPen );
 609
 610     /* clear the NOSYSTEM bit on all stock objects*/
 611     for (i = 0; i < NB_STOCK_OBJECTS; i++)
 612     {
 613         if (!stock_objects[i])
 614         {
 615             if (i == 9) continue;  /* there's no stock object 9 */
 616             ERR( "could not create stock object %d\n", i );
 617             return FALSE;
 618         }
 619         __wine_make_gdi_object_system( stock_objects[i], TRUE );
 620     }
 621
 622     return TRUE;
 623 }
 624
 625 #define FIRST_LARGE_HANDLE 16
 626 #define MAX_LARGE_HANDLES ((GDI_HEAP_SIZE >> 2) - FIRST_LARGE_HANDLE)
 627 static GDIOBJHDR *large_handles[MAX_LARGE_HANDLES];
 628 static int next_large_handle;
 629
 630 /***********************************************************************
 631  *           alloc_large_heap
 632  *
 633  * Allocate a GDI handle from the large heap. Helper for GDI_AllocObject
 634  */
 635 static inline GDIOBJHDR *alloc_large_heap( WORD size, HGDIOBJ *handle )
 636 {
 637     int i;
 638     GDIOBJHDR *obj;
 639
 640     for (i = next_large_handle + 1; i < MAX_LARGE_HANDLES; i++)
 641         if (!large_handles[i]) goto found;
 642     for (i = 0; i <= next_large_handle; i++)
 643         if (!large_handles[i]) goto found;
 644     *handle = 0;
 645     return NULL;
 646
 647  found:
 648     if ((obj = HeapAlloc( GetProcessHeap(), 0, size )))
 649     {
 650         large_handles[i] = obj;
 651         *handle = (HGDIOBJ)(ULONG_PTR)((i + FIRST_LARGE_HANDLE) << 2);
 652         next_large_handle = i;
 653     }
 654     return obj;
 655 }
 656
 657
 658 /***********************************************************************
 659  *           GDI_AllocObject
 660  */
 661 void *GDI_AllocObject( WORD size, WORD magic, HGDIOBJ *handle, const struct gdi_obj_funcs *funcs )
 662 {
 663     GDIOBJHDR *obj = NULL;
 664
 665     _EnterSysLevel( &GDI_level );
 666     if (!(obj = alloc_large_heap( size, handle ))) goto error;
 667
 668     obj->wMagic  = magic|OBJECT_NOSYSTEM;
 669     obj->dwCount = 0;
 670     obj->funcs   = funcs;
 671     obj->hdcs    = NULL;
 672
 673     TRACE("(%p): enter %d\n", *handle, GDI_level.crst.RecursionCount);
 674     return obj;
 675
 676 error:
 677     _LeaveSysLevel( &GDI_level );
 678     *handle = 0;
 679     return NULL;
 680 }
 681
 682
 683 /***********************************************************************
 684  *           GDI_ReallocObject
 685  *
 686  * The object ptr must have been obtained with GDI_GetObjPtr.
 687  * The new pointer must be released with GDI_ReleaseObj.
 688  */
 689 void *GDI_ReallocObject( WORD size, HGDIOBJ handle, void *object )
 690 {
 691     void *new_ptr = NULL;
 692     int i;
 693
 694     i = ((ULONG_PTR)handle >> 2) - FIRST_LARGE_HANDLE;
 695     if (i >= 0 && i < MAX_LARGE_HANDLES && large_handles[i])
 696     {
 697         new_ptr = HeapReAlloc( GetProcessHeap(), 0, large_handles[i], size );
 698         if (new_ptr) large_handles[i] = new_ptr;
 699     }
 700     else ERR( "Invalid handle %p\n", handle );
 701     if (!new_ptr)
 702     {
 703         TRACE("(%p): leave %d\n", handle, GDI_level.crst.RecursionCount);
 704         _LeaveSysLevel( &GDI_level );
 705     }
 706     return new_ptr;
 707 }
 708
 709
 710 /***********************************************************************
 711  *           GDI_FreeObject
 712  */
 713 BOOL GDI_FreeObject( HGDIOBJ handle, void *ptr )
 714 {
 715     GDIOBJHDR *object = ptr;
 716     int i;
 717
 718     object->wMagic = 0;  /* Mark it as invalid */
 719     object->funcs  = NULL;
 720     i = ((ULONG_PTR)handle >> 2) - FIRST_LARGE_HANDLE;
 721     if (i >= 0 && i < MAX_LARGE_HANDLES)
 722     {
 723         HeapFree( GetProcessHeap(), 0, large_handles[i] );
 724         large_handles[i] = NULL;
 725     }
 726     else ERR( "Invalid handle %p\n", handle );
 727     TRACE("(%p): leave %d\n", handle, GDI_level.crst.RecursionCount);
 728     _LeaveSysLevel( &GDI_level );
 729     return TRUE;
 730 }
 731
 732
 733 /***********************************************************************
 734  *           GDI_GetObjPtr
 735  *
 736  * Return a pointer to the GDI object associated to the handle.
 737  * Return NULL if the object has the wrong magic number.
 738  * The object must be released with GDI_ReleaseObj.
 739  */
 740 void *GDI_GetObjPtr( HGDIOBJ handle, WORD magic )
 741 {
 742     GDIOBJHDR *ptr = NULL;
 743     int i;
 744
 745     _EnterSysLevel( &GDI_level );
 746
 747     i = ((UINT_PTR)handle >> 2) - FIRST_LARGE_HANDLE;
 748     if (i >= 0 && i < MAX_LARGE_HANDLES)
 749     {
 750         ptr = large_handles[i];
 751         if (ptr && (magic != MAGIC_DONTCARE) && (GDIMAGIC(ptr->wMagic) != magic)) ptr = NULL;
 752     }
 753
 754     if (!ptr)
 755     {
 756         _LeaveSysLevel( &GDI_level );
 757         WARN( "Invalid handle %p\n", handle );
 758     }
 759     else TRACE("(%p): enter %d\n", handle, GDI_level.crst.RecursionCount);
 760
 761     return ptr;
 762 }
 763
 764
 765 /***********************************************************************
 766  *           GDI_ReleaseObj
 767  *
 768  */
 769 void GDI_ReleaseObj( HGDIOBJ handle )
 770 {
 771     TRACE("(%p): leave %d\n", handle, GDI_level.crst.RecursionCount);
 772     _LeaveSysLevel( &GDI_level );
 773 }
 774
 775
 776 /***********************************************************************
 777  *           GDI_CheckNotLock
 778  */
 779 void GDI_CheckNotLock(void)
 780 {
 781     _CheckNotSysLevel( &GDI_level );
 782 }
 783
 784
 785 /***********************************************************************
 786  *           DeleteObject    (GDI32.@)
 787  *
 788  * Delete a Gdi object.
 789  *
 790  * PARAMS
 791  *  obj [I] Gdi object to delete
 792  *
 793  * RETURNS
 794  *  Success: TRUE. If obj was not returned from GetStockObject(), any resources
 795  *           it consumed are released.
 796  *  Failure: FALSE, if obj is not a valid Gdi object, or is currently selected
 797  *           into a DC.
 798  */
 799 BOOL WINAPI DeleteObject( HGDIOBJ obj )
 800 {
 801       /* Check if object is valid */
 802
 803     GDIOBJHDR * header;
 804     if (HIWORD(obj)) return FALSE;
 805
 806     if (!(header = GDI_GetObjPtr( obj, MAGIC_DONTCARE ))) return FALSE;
 807
 808     if (!(header->wMagic & OBJECT_NOSYSTEM)
 809     &&   (header->wMagic >= FIRST_MAGIC) && (header->wMagic <= LAST_MAGIC))
 810     {
 811         TRACE("Preserving system object %p\n", obj);
 812         GDI_ReleaseObj( obj );
 813         return TRUE;
 814     }
 815
 816     while (header->hdcs)
 817     {
 818         DC *dc = DC_GetDCPtr(header->hdcs->hdc);
 819         struct hdc_list *tmp;
 820
 821         TRACE("hdc %p has interest in %p\n", header->hdcs->hdc, obj);
 822         if(dc)
 823         {
 824             if(dc->funcs->pDeleteObject)
 825                 dc->funcs->pDeleteObject( dc->physDev, obj );
 826             DC_ReleaseDCPtr( dc );
 827         }
 828         tmp = header->hdcs;
 829         header->hdcs = header->hdcs->next;
 830         HeapFree(GetProcessHeap(), 0, tmp);
 831     }
 832
 833     if (header->dwCount)
 834     {
 835         TRACE("delayed for %p because object in use, count %d\n", obj, header->dwCount );
 836         header->dwCount |= 0x80000000; /* mark for delete */
 837         GDI_ReleaseObj( obj );
 838         return TRUE;
 839     }
 840
 841     TRACE("%p\n", obj );
 842
 843       /* Delete object */
 844
 845     if (header->funcs && header->funcs->pDeleteObject)
 846         return header->funcs->pDeleteObject( obj, header );
 847
 848     GDI_ReleaseObj( obj );
 849     return FALSE;
 850 }
 851
 852 /***********************************************************************
 853  *           GDI_hdc_using_object
 854  *
 855  * Call this if the dc requires DeleteObject notification
 856  */
 857 BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc)
 858 {
 859     GDIOBJHDR * header;
 860     struct hdc_list **pphdc;
 861
 862     TRACE("obj %p hdc %p\n", obj, hdc);
 863
 864     if (!(header = GDI_GetObjPtr( obj, MAGIC_DONTCARE ))) return FALSE;
 865
 866     if (!(header->wMagic & OBJECT_NOSYSTEM) &&
 867          (header->wMagic >= FIRST_MAGIC) && (header->wMagic <= LAST_MAGIC))
 868     {
 869         GDI_ReleaseObj(obj);
 870         return FALSE;
 871     }
 872
 873     for(pphdc = &header->hdcs; *pphdc; pphdc = &(*pphdc)->next)
 874         if((*pphdc)->hdc == hdc)
 875             break;
 876
 877     if(!*pphdc) {
 878         *pphdc = HeapAlloc(GetProcessHeap(), 0, sizeof(**pphdc));
 879         (*pphdc)->hdc = hdc;
 880         (*pphdc)->next = NULL;
 881     }
 882
 883     GDI_ReleaseObj(obj);
 884     return TRUE;
 885 }
 886
 887 /***********************************************************************
 888  *           GDI_hdc_not_using_object
 889  *
 890  */
 891 BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc)
 892 {
 893     GDIOBJHDR * header;
 894     struct hdc_list *phdc, **prev;
 895
 896     TRACE("obj %p hdc %p\n", obj, hdc);
 897
 898     if (!(header = GDI_GetObjPtr( obj, MAGIC_DONTCARE ))) return FALSE;
 899
 900     if (!(header->wMagic & OBJECT_NOSYSTEM) &&
 901          (header->wMagic >= FIRST_MAGIC) && (header->wMagic <= LAST_MAGIC))
 902     {
 903         GDI_ReleaseObj(obj);
 904         return FALSE;
 905     }
 906
 907     phdc = header->hdcs;
 908     prev = &header->hdcs;
 909
 910     while(phdc) {
 911         if(phdc->hdc == hdc) {
 912             *prev = phdc->next;
 913             HeapFree(GetProcessHeap(), 0, phdc);
 914             phdc = *prev;
 915         } else {
 916             prev = &phdc->next;
 917             phdc = phdc->next;
 918         }
 919     }
 920
 921     GDI_ReleaseObj(obj);
 922     return TRUE;
 923 }
 924
 925 /***********************************************************************
 926  *           GetStockObject    (GDI32.@)
 927  */
 928 HGDIOBJ WINAPI GetStockObject( INT obj )
 929 {
 930     HGDIOBJ ret;
 931     if ((obj < 0) || (obj >= NB_STOCK_OBJECTS)) return 0;
 932     ret = stock_objects[obj];
 933     TRACE("returning %p\n", ret );
 934     return ret;
 935 }
 936
 937
 938 /***********************************************************************
 939  *           GetObject    (GDI.82)
 940  */
 941 INT16 WINAPI GetObject16( HGDIOBJ16 handle16, INT16 count, LPVOID buffer )
 942 {
 943     GDIOBJHDR * ptr;
 944     HGDIOBJ handle = HGDIOBJ_32( handle16 );
 945     INT16 result = 0;
 946
 947     TRACE("%p %d %p\n", handle, count, buffer );
 948     if (!count) return 0;
 949
 950     if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE ))) return 0;
 951
 952     if (ptr->funcs && ptr->funcs->pGetObject16)
 953         result = ptr->funcs->pGetObject16( handle, ptr, count, buffer );
 954     else
 955         SetLastError( ERROR_INVALID_HANDLE );
 956
 957     GDI_ReleaseObj( handle );
 958     return result;
 959 }
 960
 961
 962 /***********************************************************************
 963  *           GetObjectA    (GDI32.@)
 964  */
 965 INT WINAPI GetObjectA( HGDIOBJ handle, INT count, LPVOID buffer )
 966 {
 967     GDIOBJHDR * ptr;
 968     INT result = 0;
 969     TRACE("%p %d %p\n", handle, count, buffer );
 970
 971     if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE ))) return 0;
 972
 973     if (ptr->funcs && ptr->funcs->pGetObjectA)
 974         result = ptr->funcs->pGetObjectA( handle, ptr, count, buffer );
 975     else
 976         SetLastError( ERROR_INVALID_HANDLE );
 977
 978     GDI_ReleaseObj( handle );
 979     return result;
 980 }
 981
 982 /***********************************************************************
 983  *           GetObjectW    (GDI32.@)
 984  */
 985 INT WINAPI GetObjectW( HGDIOBJ handle, INT count, LPVOID buffer )
 986 {
 987     GDIOBJHDR * ptr;
 988     INT result = 0;
 989     TRACE("%p %d %p\n", handle, count, buffer );
 990
 991     if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE ))) return 0;
 992
 993     if (ptr->funcs && ptr->funcs->pGetObjectW)
 994         result = ptr->funcs->pGetObjectW( handle, ptr, count, buffer );
 995     else
 996         SetLastError( ERROR_INVALID_HANDLE );
 997
 998     GDI_ReleaseObj( handle );
 999     return result;
1000 }
1001
1002 /***********************************************************************
1003  *           GetObjectType    (GDI32.@)
1004  */
1005 DWORD WINAPI GetObjectType( HGDIOBJ handle )
1006 {
1007     GDIOBJHDR * ptr;
1008     INT result = 0;
1009     TRACE("%p\n", handle );
1010
1011     if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE )))
1012     {
1013         SetLastError( ERROR_INVALID_HANDLE );
1014         return 0;
1015     }
1016
1017     switch(GDIMAGIC(ptr->wMagic))
1018     {
1019       case PEN_MAGIC:
1020           result = OBJ_PEN;
1021           break;
1022       case EXT_PEN_MAGIC:
1023           result = OBJ_EXTPEN;
1024           break;
1025       case BRUSH_MAGIC:
1026           result = OBJ_BRUSH;
1027           break;
1028       case BITMAP_MAGIC:
1029           result = OBJ_BITMAP;
1030           break;
1031       case FONT_MAGIC:
1032           result = OBJ_FONT;
1033           break;
1034       case PALETTE_MAGIC:
1035           result = OBJ_PAL;
1036           break;
1037       case REGION_MAGIC:
1038           result = OBJ_REGION;
1039           break;
1040       case DC_MAGIC:
1041           result = OBJ_DC;
1042           break;
1043       case META_DC_MAGIC:
1044           result = OBJ_METADC;
1045           break;
1046       case METAFILE_MAGIC:
1047           result = OBJ_METAFILE;
1048           break;
1049       case METAFILE_DC_MAGIC:
1050           result = OBJ_METADC;
1051           break;
1052       case ENHMETAFILE_MAGIC:
1053           result = OBJ_ENHMETAFILE;
1054           break;
1055       case ENHMETAFILE_DC_MAGIC:
1056           result = OBJ_ENHMETADC;
1057           break;
1058       case MEMORY_DC_MAGIC:
1059           result = OBJ_MEMDC;
1060           break;
1061       default:
1062           FIXME("Magic %04x not implemented\n", GDIMAGIC(ptr->wMagic) );
1063           break;
1064     }
1065     GDI_ReleaseObj( handle );
1066     return result;
1067 }
1068
1069 /***********************************************************************
1070  *           GetCurrentObject           (GDI32.@)
1071  *
1072  * Get the currently selected object of a given type in a device context.
1073  *
1074  * PARAMS
1075  *  hdc  [I] Device context to get the current object from
1076  *  type [I] Type of current object to get (OBJ_* defines from "wingdi.h")
1077  *
1078  * RETURNS
1079  *  Success: The current object of the given type selected in hdc.
1080  *  Failure: A NULL handle.
1081  *
1082  * NOTES
1083  * - only the following object types are supported:
1084  *| OBJ_PEN
1085  *| OBJ_BRUSH
1086  *| OBJ_PAL
1087  *| OBJ_FONT
1088  *| OBJ_BITMAP
1089  */
1090 HGDIOBJ WINAPI GetCurrentObject(HDC hdc,UINT type)
1091 {
1092     HGDIOBJ ret = 0;
1093     DC * dc = DC_GetDCPtr( hdc );
1094
1095     if (dc)
1096     {
1097     switch (type) {
1098         case OBJ_EXTPEN: /* fall through */
1099         case OBJ_PEN:    ret = dc->hPen; break;
1100         case OBJ_BRUSH:  ret = dc->hBrush; break;
1101         case OBJ_PAL:    ret = dc->hPalette; break;
1102         case OBJ_FONT:   ret = dc->hFont; break;
1103         case OBJ_BITMAP: ret = dc->hBitmap; break;
1104
1105         /* tests show that OBJ_REGION is explicitly ignored */
1106         case OBJ_REGION: break;
1107     default:
1108         /* the SDK only mentions those above */
1109         FIXME("(%p,%d): unknown type.\n",hdc,type);
1110             break;
1111         }
1112         DC_ReleaseDCPtr( dc );
1113     }
1114     return ret;
1115 }
1116
1117
1118 /***********************************************************************
1119  *           SelectObject    (GDI32.@)
1120  *
1121  * Select a Gdi object into a device context.
1122  *
1123  * PARAMS
1124  *  hdc  [I] Device context to associate the object with
1125  *  hObj [I] Gdi object to associate with hdc
1126  *
1127  * RETURNS
1128  *  Success: A non-NULL handle representing the previously selected object of
1129  *           the same type as hObj.
1130  *  Failure: A NULL object. If hdc is invalid, GetLastError() returns ERROR_INVALID_HANDLE.
1131  *           if hObj is not a valid object handle, no last error is set. In either
1132  *           case, hdc is unaffected by the call.
1133  */
1134 HGDIOBJ WINAPI SelectObject( HDC hdc, HGDIOBJ hObj )
1135 {
1136     HGDIOBJ ret = 0;
1137     GDIOBJHDR *header;
1138     DC *dc;
1139
1140     TRACE( "(%p,%p)\n", hdc, hObj );
1141
1142     if (!(dc = DC_GetDCPtr( hdc )))
1143         SetLastError( ERROR_INVALID_HANDLE );
1144     else
1145     {
1146         DC_ReleaseDCPtr( dc );
1147
1148         header = GDI_GetObjPtr( hObj, MAGIC_DONTCARE );
1149         if (header)
1150         {
1151             if (header->funcs && header->funcs->pSelectObject)
1152             {
1153                 ret = header->funcs->pSelectObject( hObj, header, hdc );
1154                 if (ret && ret != hObj && HandleToULong(ret) > COMPLEXREGION)
1155                 {
1156                     inc_ref_count( header );
1157                     dec_ref_count( ret );
1158                 }
1159             }
1160             GDI_ReleaseObj( hObj );
1161         }
1162     }
1163     return ret;
1164 }
1165
1166
1167 /***********************************************************************
1168  *           UnrealizeObject    (GDI32.@)
1169  */
1170 BOOL WINAPI UnrealizeObject( HGDIOBJ obj )
1171 {
1172     BOOL result = TRUE;
1173   /* Check if object is valid */
1174
1175     GDIOBJHDR * header = GDI_GetObjPtr( obj, MAGIC_DONTCARE );
1176     if (!header) return FALSE;
1177
1178     TRACE("%p\n", obj );
1179
1180       /* Unrealize object */
1181
1182     if (header->funcs && header->funcs->pUnrealizeObject)
1183         result = header->funcs->pUnrealizeObject( obj, header );
1184
1185     GDI_ReleaseObj( obj );
1186     return result;
1187 }
1188
1189
1190 /* Solid colors to enumerate */
1191 static const COLORREF solid_colors[] =
1192 { RGB(0x00,0x00,0x00), RGB(0xff,0xff,0xff),
1193 RGB(0xff,0x00,0x00), RGB(0x00,0xff,0x00),
1194 RGB(0x00,0x00,0xff), RGB(0xff,0xff,0x00),
1195 RGB(0xff,0x00,0xff), RGB(0x00,0xff,0xff),
1196 RGB(0x80,0x00,0x00), RGB(0x00,0x80,0x00),
1197 RGB(0x80,0x80,0x00), RGB(0x00,0x00,0x80),
1198 RGB(0x80,0x00,0x80), RGB(0x00,0x80,0x80),
1199 RGB(0x80,0x80,0x80), RGB(0xc0,0xc0,0xc0)
1200 };
1201
1202
1203 /***********************************************************************
1204  *           EnumObjects    (GDI32.@)
1205  */
1206 INT WINAPI EnumObjects( HDC hdc, INT nObjType,
1207                             GOBJENUMPROC lpEnumFunc, LPARAM lParam )
1208 {
1209     UINT i;
1210     INT retval = 0;
1211     LOGPEN pen;
1212     LOGBRUSH brush;
1213
1214     TRACE("%p %d %p %08lx\n", hdc, nObjType, lpEnumFunc, lParam );
1215     switch(nObjType)
1216     {
1217     case OBJ_PEN:
1218         /* Enumerate solid pens */
1219         for (i = 0; i < sizeof(solid_colors)/sizeof(solid_colors[0]); i++)
1220         {
1221             pen.lopnStyle   = PS_SOLID;
1222             pen.lopnWidth.x = 1;
1223             pen.lopnWidth.y = 0;
1224             pen.lopnColor   = solid_colors[i];
1225             retval = lpEnumFunc( &pen, lParam );
1226             TRACE("solid pen %08x, ret=%d\n",
1227                          solid_colors[i], retval);
1228             if (!retval) break;
1229         }
1230         break;
1231
1232     case OBJ_BRUSH:
1233         /* Enumerate solid brushes */
1234         for (i = 0; i < sizeof(solid_colors)/sizeof(solid_colors[0]); i++)
1235         {
1236             brush.lbStyle = BS_SOLID;
1237             brush.lbColor = solid_colors[i];
1238             brush.lbHatch = 0;
1239             retval = lpEnumFunc( &brush, lParam );
1240             TRACE("solid brush %08x, ret=%d\n",
1241                          solid_colors[i], retval);
1242             if (!retval) break;
1243         }
1244
1245         /* Now enumerate hatched brushes */
1246         if (retval) for (i = HS_HORIZONTAL; i <= HS_DIAGCROSS; i++)
1247         {
1248             brush.lbStyle = BS_HATCHED;
1249             brush.lbColor = RGB(0,0,0);
1250             brush.lbHatch = i;
1251             retval = lpEnumFunc( &brush, lParam );
1252             TRACE("hatched brush %d, ret=%d\n",
1253                          i, retval);
1254             if (!retval) break;
1255         }
1256         break;
1257
1258     default:
1259         /* FIXME: implement Win32 types */
1260         WARN("(%d): Invalid type\n", nObjType );
1261         break;
1262     }
1263     return retval;
1264 }
1265
1266
1267 /***********************************************************************
1268  *           IsGDIObject    (GDI.462)
1269  *
1270  * returns type of object if valid (W95 system programming secrets p. 264-5)
1271  */
1272 BOOL16 WINAPI IsGDIObject16( HGDIOBJ16 handle16 )
1273 {
1274     UINT16 magic = 0;
1275     HGDIOBJ handle = HGDIOBJ_32( handle16 );
1276
1277     GDIOBJHDR *object = GDI_GetObjPtr( handle, MAGIC_DONTCARE );
1278     if (object)
1279     {
1280         magic = GDIMAGIC(object->wMagic) - FIRST_MAGIC + 1;
1281         GDI_ReleaseObj( handle );
1282     }
1283     return magic;
1284 }
1285
1286
1287 /***********************************************************************
1288  *           SetObjectOwner    (GDI32.@)
1289  */
1290 void WINAPI SetObjectOwner( HGDIOBJ handle, HANDLE owner )
1291 {
1292     /* Nothing to do */
1293 }
1294
1295
1296 /***********************************************************************
1297  *           MakeObjectPrivate    (GDI.463)
1298  *
1299  * What does that mean ?
1300  * Some little docu can be found in "Undocumented Windows",
1301  * but this is basically useless.
1302  * At least we know that this flags the GDI object's wMagic
1303  * with 0x2000 (OBJECT_PRIVATE), so we just do it.
1304  * But Wine doesn't react on that yet.
1305  */
1306 void WINAPI MakeObjectPrivate16( HGDIOBJ16 handle16, BOOL16 private )
1307 {
1308     HGDIOBJ handle = HGDIOBJ_32( handle16 );
1309     GDIOBJHDR *ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE );
1310     if (!ptr)
1311     {
1312         ERR("invalid GDI object %p !\n", handle);
1313         return;
1314     }
1315     ptr->wMagic |= OBJECT_PRIVATE;
1316     GDI_ReleaseObj( handle );
1317 }
1318
1319
1320 /***********************************************************************
1321  *           GdiFlush    (GDI32.@)
1322  */
1323 BOOL WINAPI GdiFlush(void)
1324 {
1325     return TRUE;  /* FIXME */
1326 }
1327
1328
1329 /***********************************************************************
1330  *           GdiGetBatchLimit    (GDI32.@)
1331  */
1332 DWORD WINAPI GdiGetBatchLimit(void)
1333 {
1334     return 1;  /* FIXME */
1335 }
1336
1337
1338 /***********************************************************************
1339  *           GdiSetBatchLimit    (GDI32.@)
1340  */
1341 DWORD WINAPI GdiSetBatchLimit( DWORD limit )
1342 {
1343     return 1; /* FIXME */
1344 }
1345
1346
1347 /***********************************************************************
1348  *           GdiSeeGdiDo   (GDI.452)
1349  */
1350 DWORD WINAPI GdiSeeGdiDo16( WORD wReqType, WORD wParam1, WORD wParam2,
1351                           WORD wParam3 )
1352 {
1353     DWORD ret = ~0U;
1354
1355     switch (wReqType)
1356     {
1357     case 0x0001:  /* LocalAlloc */
1358         WARN("LocalAlloc16(%x, %x): ignoring\n", wParam1, wParam3);
1359         ret = 0;
1360         break;
1361     case 0x0002:  /* LocalFree */
1362         WARN("LocalFree16(%x): ignoring\n", wParam1);
1363         ret = 0;
1364         break;
1365     case 0x0003:  /* LocalCompact */
1366         WARN("LocalCompact16(%x): ignoring\n", wParam3);
1367         ret = 65000; /* lie about the amount of free space */
1368         break;
1369     case 0x0103:  /* LocalHeap */
1370         WARN("LocalHeap16(): ignoring\n");
1371         break;
1372     default:
1373         WARN("(wReqType=%04x): Unknown\n", wReqType);
1374         break;
1375     }
1376     return ret;
1377 }
1378
1379 /***********************************************************************
1380  *           GdiSignalProc32     (GDI.610)
1381  */
1382 WORD WINAPI GdiSignalProc( UINT uCode, DWORD dwThreadOrProcessID,
1383                            DWORD dwFlags, HMODULE16 hModule )
1384 {
1385     return 0;
1386 }
1387
1388 /***********************************************************************
1389  *           GdiInit2     (GDI.403)
1390  *
1391  * See "Undocumented Windows"
1392  *
1393  * PARAMS
1394  *   h1 [I] GDI object
1395  *   h2 [I] global data
1396  */
1397 HANDLE16 WINAPI GdiInit216( HANDLE16 h1, HANDLE16 h2 )
1398 {
1399     FIXME("(%04x, %04x), stub.\n", h1, h2);
1400     if (h2 == 0xffff)
1401         return 0xffff; /* undefined return value */
1402     return h1; /* FIXME: should be the memory handle of h1 */
1403 }
1404
1405 /***********************************************************************
1406  *           FinalGdiInit     (GDI.405)
1407  */
1408 void WINAPI FinalGdiInit16( HBRUSH16 hPattern /* [in] fill pattern of desktop */ )
1409 {
1410 }
1411
1412 /***********************************************************************
1413  *           GdiFreeResources   (GDI.609)
1414  */
1415 WORD WINAPI GdiFreeResources16( DWORD reserve )
1416 {
1417     return 90; /* lie about it, it shouldn't matter */
1418 }
1419
1420
1421 /*******************************************************************
1422  *      GetColorAdjustment [GDI32.@]
1423  *
1424  *
1425  */
1426 BOOL WINAPI GetColorAdjustment(HDC hdc, LPCOLORADJUSTMENT lpca)
1427 {
1428         FIXME("GetColorAdjustment, stub\n");
1429         return 0;
1430 }
1431
1432 /*******************************************************************
1433  *      GdiComment [GDI32.@]
1434  *
1435  *
1436  */
1437 BOOL WINAPI GdiComment(HDC hdc, UINT cbSize, const BYTE *lpData)
1438 {
1439     DC *dc = DC_GetDCPtr(hdc);
1440     BOOL ret = FALSE;
1441     if(dc)
1442     {
1443         if (dc->funcs->pGdiComment)
1444             ret = dc->funcs->pGdiComment( dc->physDev, cbSize, lpData );
1445         DC_ReleaseDCPtr( dc );
1446     }
1447     return ret;
1448 }
1449
1450 /*******************************************************************
1451  *      SetColorAdjustment [GDI32.@]
1452  *
1453  *
1454  */
1455 BOOL WINAPI SetColorAdjustment(HDC hdc, const COLORADJUSTMENT* lpca)
1456 {
1457         FIXME("SetColorAdjustment, stub\n");
1458         return 0;
1459 }