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( (LPDWORD)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 inline static void inc_ref_count( HGDIOBJ handle )
 532 {
 533     GDIOBJHDR *header;
 534
 535     if ((header = GDI_GetObjPtr( handle, MAGIC_DONTCARE )))
 536     {
 537         header->dwCount++;
 538         GDI_ReleaseObj( handle );
 539     }
 540 }
 541
 542
 543 /***********************************************************************
 544  *           dec_ref_count
 545  *
 546  * Decrement the reference count of a GDI object.
 547  */
 548 inline static void dec_ref_count( HGDIOBJ handle )
 549 {
 550     GDIOBJHDR *header;
 551
 552     if ((header = GDI_GetObjPtr( handle, MAGIC_DONTCARE )))
 553     {
 554         if (header->dwCount) header->dwCount--;
 555         if (header->dwCount != 0x80000000) GDI_ReleaseObj( handle );
 556         else
 557         {
 558             /* handle delayed DeleteObject*/
 559             header->dwCount = 0;
 560             GDI_ReleaseObj( handle );
 561             TRACE( "executing delayed DeleteObject for %p\n", handle );
 562             DeleteObject( handle );
 563         }
 564     }
 565 }
 566
 567
 568 /***********************************************************************
 569  *           GDI_Init
 570  *
 571  * GDI initialization.
 572  */
 573 BOOL GDI_Init(void)
 574 {
 575     LOGFONTW default_gui_font;
 576     const struct DefaultFontInfo* deffonts;
 577     int i;
 578
 579     WineEngInit();
 580
 581     /* create stock objects */
 582     stock_objects[WHITE_BRUSH]  = CreateBrushIndirect( &WhiteBrush );
 583     stock_objects[LTGRAY_BRUSH] = CreateBrushIndirect( &LtGrayBrush );
 584     stock_objects[GRAY_BRUSH]   = CreateBrushIndirect( &GrayBrush );
 585     stock_objects[DKGRAY_BRUSH] = CreateBrushIndirect( &DkGrayBrush );
 586     stock_objects[BLACK_BRUSH]  = CreateBrushIndirect( &BlackBrush );
 587     stock_objects[NULL_BRUSH]   = CreateBrushIndirect( &NullBrush );
 588
 589     stock_objects[WHITE_PEN]    = CreatePenIndirect( &WhitePen );
 590     stock_objects[BLACK_PEN]    = CreatePenIndirect( &BlackPen );
 591     stock_objects[NULL_PEN]     = CreatePenIndirect( &NullPen );
 592
 593     stock_objects[DEFAULT_PALETTE] = PALETTE_Init();
 594     stock_objects[DEFAULT_BITMAP]  = CreateBitmap( 1, 1, 1, 1, NULL );
 595
 596     /* language-independent stock fonts */
 597     stock_objects[OEM_FIXED_FONT]      = CreateFontIndirectW( &OEMFixedFont );
 598     stock_objects[ANSI_FIXED_FONT]     = CreateFontIndirectW( &AnsiFixedFont );
 599     stock_objects[ANSI_VAR_FONT]       = CreateFontIndirectW( &AnsiVarFont );
 600
 601     /* language-dependent stock fonts */
 602     deffonts = get_default_fonts(get_default_charset());
 603     stock_objects[SYSTEM_FONT]         = CreateFontIndirectW( &deffonts->SystemFont );
 604     stock_objects[DEVICE_DEFAULT_FONT] = CreateFontIndirectW( &deffonts->DeviceDefaultFont );
 605     stock_objects[SYSTEM_FIXED_FONT]   = CreateFontIndirectW( &deffonts->SystemFixedFont );
 606
 607     /* For the default gui font, we use the lfHeight member in deffonts as a place-holder
 608        for the point size so we must convert this into a true height */
 609     memcpy(&default_gui_font, &deffonts->DefaultGuiFont, sizeof(default_gui_font));
 610     default_gui_font.lfHeight = -MulDiv(default_gui_font.lfHeight, get_dpi(), 72);
 611     stock_objects[DEFAULT_GUI_FONT]    = CreateFontIndirectW( &default_gui_font );
 612
 613     stock_objects[DC_BRUSH]     = CreateBrushIndirect( &DCBrush );
 614     stock_objects[DC_PEN]       = CreatePenIndirect( &DCPen );
 615
 616     /* clear the NOSYSTEM bit on all stock objects*/
 617     for (i = 0; i < NB_STOCK_OBJECTS; i++)
 618     {
 619         if (!stock_objects[i])
 620         {
 621             if (i == 9) continue;  /* there's no stock object 9 */
 622             ERR( "could not create stock object %d\n", i );
 623             return FALSE;
 624         }
 625         __wine_make_gdi_object_system( stock_objects[i], TRUE );
 626     }
 627
 628     return TRUE;
 629 }
 630
 631 #define FIRST_LARGE_HANDLE 16
 632 #define MAX_LARGE_HANDLES ((GDI_HEAP_SIZE >> 2) - FIRST_LARGE_HANDLE)
 633 static GDIOBJHDR *large_handles[MAX_LARGE_HANDLES];
 634 static int next_large_handle;
 635
 636 /***********************************************************************
 637  *           alloc_large_heap
 638  *
 639  * Allocate a GDI handle from the large heap. Helper for GDI_AllocObject
 640  */
 641 inline static GDIOBJHDR *alloc_large_heap( WORD size, HGDIOBJ *handle )
 642 {
 643     int i;
 644     GDIOBJHDR *obj;
 645
 646     for (i = next_large_handle + 1; i < MAX_LARGE_HANDLES; i++)
 647         if (!large_handles[i]) goto found;
 648     for (i = 0; i <= next_large_handle; i++)
 649         if (!large_handles[i]) goto found;
 650     *handle = 0;
 651     return NULL;
 652
 653  found:
 654     if ((obj = HeapAlloc( GetProcessHeap(), 0, size )))
 655     {
 656         large_handles[i] = obj;
 657         *handle = (HGDIOBJ)(ULONG_PTR)((i + FIRST_LARGE_HANDLE) << 2);
 658         next_large_handle = i;
 659     }
 660     return obj;
 661 }
 662
 663
 664 /***********************************************************************
 665  *           GDI_AllocObject
 666  */
 667 void *GDI_AllocObject( WORD size, WORD magic, HGDIOBJ *handle, const struct gdi_obj_funcs *funcs )
 668 {
 669     GDIOBJHDR *obj = NULL;
 670
 671     _EnterSysLevel( &GDI_level );
 672     if (!(obj = alloc_large_heap( size, handle ))) goto error;
 673
 674     obj->wMagic  = magic|OBJECT_NOSYSTEM;
 675     obj->dwCount = 0;
 676     obj->funcs   = funcs;
 677     obj->hdcs    = NULL;
 678
 679     TRACE("(%p): enter %d\n", *handle, GDI_level.crst.RecursionCount);
 680     return obj;
 681
 682 error:
 683     _LeaveSysLevel( &GDI_level );
 684     *handle = 0;
 685     return NULL;
 686 }
 687
 688
 689 /***********************************************************************
 690  *           GDI_ReallocObject
 691  *
 692  * The object ptr must have been obtained with GDI_GetObjPtr.
 693  * The new pointer must be released with GDI_ReleaseObj.
 694  */
 695 void *GDI_ReallocObject( WORD size, HGDIOBJ handle, void *object )
 696 {
 697     void *new_ptr = NULL;
 698     int i;
 699
 700     i = ((ULONG_PTR)handle >> 2) - FIRST_LARGE_HANDLE;
 701     if (i >= 0 && i < MAX_LARGE_HANDLES && large_handles[i])
 702     {
 703         new_ptr = HeapReAlloc( GetProcessHeap(), 0, large_handles[i], size );
 704         if (new_ptr) large_handles[i] = new_ptr;
 705     }
 706     else ERR( "Invalid handle %p\n", handle );
 707     if (!new_ptr)
 708     {
 709         TRACE("(%p): leave %d\n", handle, GDI_level.crst.RecursionCount);
 710         _LeaveSysLevel( &GDI_level );
 711     }
 712     return new_ptr;
 713 }
 714
 715
 716 /***********************************************************************
 717  *           GDI_FreeObject
 718  */
 719 BOOL GDI_FreeObject( HGDIOBJ handle, void *ptr )
 720 {
 721     GDIOBJHDR *object = ptr;
 722     int i;
 723
 724     object->wMagic = 0;  /* Mark it as invalid */
 725     object->funcs  = NULL;
 726     i = ((ULONG_PTR)handle >> 2) - FIRST_LARGE_HANDLE;
 727     if (i >= 0 && i < MAX_LARGE_HANDLES)
 728     {
 729         HeapFree( GetProcessHeap(), 0, large_handles[i] );
 730         large_handles[i] = NULL;
 731     }
 732     else ERR( "Invalid handle %p\n", handle );
 733     TRACE("(%p): leave %d\n", handle, GDI_level.crst.RecursionCount);
 734     _LeaveSysLevel( &GDI_level );
 735     return TRUE;
 736 }
 737
 738
 739 /***********************************************************************
 740  *           GDI_GetObjPtr
 741  *
 742  * Return a pointer to the GDI object associated to the handle.
 743  * Return NULL if the object has the wrong magic number.
 744  * The object must be released with GDI_ReleaseObj.
 745  */
 746 void *GDI_GetObjPtr( HGDIOBJ handle, WORD magic )
 747 {
 748     GDIOBJHDR *ptr = NULL;
 749     int i;
 750
 751     _EnterSysLevel( &GDI_level );
 752
 753     i = ((UINT_PTR)handle >> 2) - FIRST_LARGE_HANDLE;
 754     if (i >= 0 && i < MAX_LARGE_HANDLES)
 755     {
 756         ptr = large_handles[i];
 757         if (ptr && (magic != MAGIC_DONTCARE) && (GDIMAGIC(ptr->wMagic) != magic)) ptr = NULL;
 758     }
 759
 760     if (!ptr)
 761     {
 762         _LeaveSysLevel( &GDI_level );
 763         WARN( "Invalid handle %p\n", handle );
 764     }
 765     else TRACE("(%p): enter %d\n", handle, GDI_level.crst.RecursionCount);
 766
 767     return ptr;
 768 }
 769
 770
 771 /***********************************************************************
 772  *           GDI_ReleaseObj
 773  *
 774  */
 775 void GDI_ReleaseObj( HGDIOBJ handle )
 776 {
 777     TRACE("(%p): leave %d\n", handle, GDI_level.crst.RecursionCount);
 778     _LeaveSysLevel( &GDI_level );
 779 }
 780
 781
 782 /***********************************************************************
 783  *           GDI_CheckNotLock
 784  */
 785 void GDI_CheckNotLock(void)
 786 {
 787     _CheckNotSysLevel( &GDI_level );
 788 }
 789
 790
 791 /***********************************************************************
 792  *           DeleteObject    (GDI32.@)
 793  *
 794  * Delete a Gdi object.
 795  *
 796  * PARAMS
 797  *  obj [I] Gdi object to delete
 798  *
 799  * RETURNS
 800  *  Success: TRUE. If obj was not returned from GetStockObject(), any resources
 801  *           it consumed are released.
 802  *  Failure: FALSE, if obj is not a valid Gdi object, or is currently selected
 803  *           into a DC.
 804  */
 805 BOOL WINAPI DeleteObject( HGDIOBJ obj )
 806 {
 807       /* Check if object is valid */
 808
 809     GDIOBJHDR * header;
 810     if (HIWORD(obj)) return FALSE;
 811
 812     if (!(header = GDI_GetObjPtr( obj, MAGIC_DONTCARE ))) return FALSE;
 813
 814     if (!(header->wMagic & OBJECT_NOSYSTEM)
 815     &&   (header->wMagic >= FIRST_MAGIC) && (header->wMagic <= LAST_MAGIC))
 816     {
 817         TRACE("Preserving system object %p\n", obj);
 818         GDI_ReleaseObj( obj );
 819         return TRUE;
 820     }
 821
 822     while (header->hdcs)
 823     {
 824         DC *dc = DC_GetDCPtr(header->hdcs->hdc);
 825         struct hdc_list *tmp;
 826
 827         TRACE("hdc %p has interest in %p\n", header->hdcs->hdc, obj);
 828         if(dc)
 829         {
 830             if(dc->funcs->pDeleteObject)
 831                 dc->funcs->pDeleteObject( dc->physDev, obj );
 832             GDI_ReleaseObj( header->hdcs->hdc );
 833         }
 834         tmp = header->hdcs;
 835         header->hdcs = header->hdcs->next;
 836         HeapFree(GetProcessHeap(), 0, tmp);
 837     }
 838
 839     if (header->dwCount)
 840     {
 841         TRACE("delayed for %p because object in use, count %d\n", obj, header->dwCount );
 842         header->dwCount |= 0x80000000; /* mark for delete */
 843         GDI_ReleaseObj( obj );
 844         return TRUE;
 845     }
 846
 847     TRACE("%p\n", obj );
 848
 849       /* Delete object */
 850
 851     if (header->funcs && header->funcs->pDeleteObject)
 852         return header->funcs->pDeleteObject( obj, header );
 853
 854     GDI_ReleaseObj( obj );
 855     return FALSE;
 856 }
 857
 858 /***********************************************************************
 859  *           GDI_hdc_using_object
 860  *
 861  * Call this if the dc requires DeleteObject notification
 862  */
 863 BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc)
 864 {
 865     GDIOBJHDR * header;
 866     struct hdc_list **pphdc;
 867
 868     TRACE("obj %p hdc %p\n", obj, hdc);
 869
 870     if (!(header = GDI_GetObjPtr( obj, MAGIC_DONTCARE ))) return FALSE;
 871
 872     if (!(header->wMagic & OBJECT_NOSYSTEM) &&
 873          (header->wMagic >= FIRST_MAGIC) && (header->wMagic <= LAST_MAGIC))
 874     {
 875         GDI_ReleaseObj(obj);
 876         return FALSE;
 877     }
 878
 879     for(pphdc = &header->hdcs; *pphdc; pphdc = &(*pphdc)->next)
 880         if((*pphdc)->hdc == hdc)
 881             break;
 882
 883     if(!*pphdc) {
 884         *pphdc = HeapAlloc(GetProcessHeap(), 0, sizeof(**pphdc));
 885         (*pphdc)->hdc = hdc;
 886         (*pphdc)->next = NULL;
 887     }
 888
 889     GDI_ReleaseObj(obj);
 890     return TRUE;
 891 }
 892
 893 /***********************************************************************
 894  *           GDI_hdc_not_using_object
 895  *
 896  */
 897 BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc)
 898 {
 899     GDIOBJHDR * header;
 900     struct hdc_list *phdc, **prev;
 901
 902     TRACE("obj %p hdc %p\n", obj, hdc);
 903
 904     if (!(header = GDI_GetObjPtr( obj, MAGIC_DONTCARE ))) return FALSE;
 905
 906     if (!(header->wMagic & OBJECT_NOSYSTEM) &&
 907          (header->wMagic >= FIRST_MAGIC) && (header->wMagic <= LAST_MAGIC))
 908     {
 909         GDI_ReleaseObj(obj);
 910         return FALSE;
 911     }
 912
 913     phdc = header->hdcs;
 914     prev = &header->hdcs;
 915
 916     while(phdc) {
 917         if(phdc->hdc == hdc) {
 918             *prev = phdc->next;
 919             HeapFree(GetProcessHeap(), 0, phdc);
 920             phdc = *prev;
 921         } else {
 922             prev = &phdc->next;
 923             phdc = phdc->next;
 924         }
 925     }
 926
 927     GDI_ReleaseObj(obj);
 928     return TRUE;
 929 }
 930
 931 /***********************************************************************
 932  *           GetStockObject    (GDI32.@)
 933  */
 934 HGDIOBJ WINAPI GetStockObject( INT obj )
 935 {
 936     HGDIOBJ ret;
 937     if ((obj < 0) || (obj >= NB_STOCK_OBJECTS)) return 0;
 938     ret = stock_objects[obj];
 939     TRACE("returning %p\n", ret );
 940     return ret;
 941 }
 942
 943
 944 /***********************************************************************
 945  *           GetObject    (GDI.82)
 946  */
 947 INT16 WINAPI GetObject16( HGDIOBJ16 handle16, INT16 count, LPVOID buffer )
 948 {
 949     GDIOBJHDR * ptr;
 950     HGDIOBJ handle = HGDIOBJ_32( handle16 );
 951     INT16 result = 0;
 952
 953     TRACE("%p %d %p\n", handle, count, buffer );
 954     if (!count) return 0;
 955
 956     if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE ))) return 0;
 957
 958     if (ptr->funcs && ptr->funcs->pGetObject16)
 959         result = ptr->funcs->pGetObject16( handle, ptr, count, buffer );
 960     else
 961         SetLastError( ERROR_INVALID_HANDLE );
 962
 963     GDI_ReleaseObj( handle );
 964     return result;
 965 }
 966
 967
 968 /***********************************************************************
 969  *           GetObjectA    (GDI32.@)
 970  */
 971 INT WINAPI GetObjectA( HGDIOBJ handle, INT count, LPVOID buffer )
 972 {
 973     GDIOBJHDR * ptr;
 974     INT result = 0;
 975     TRACE("%p %d %p\n", handle, count, buffer );
 976
 977     if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE ))) return 0;
 978
 979     if (ptr->funcs && ptr->funcs->pGetObjectA)
 980         result = ptr->funcs->pGetObjectA( handle, ptr, count, buffer );
 981     else
 982         SetLastError( ERROR_INVALID_HANDLE );
 983
 984     GDI_ReleaseObj( handle );
 985     return result;
 986 }
 987
 988 /***********************************************************************
 989  *           GetObjectW    (GDI32.@)
 990  */
 991 INT WINAPI GetObjectW( HGDIOBJ handle, INT count, LPVOID buffer )
 992 {
 993     GDIOBJHDR * ptr;
 994     INT result = 0;
 995     TRACE("%p %d %p\n", handle, count, buffer );
 996
 997     if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE ))) return 0;
 998
 999     if (ptr->funcs && ptr->funcs->pGetObjectW)
1000         result = ptr->funcs->pGetObjectW( handle, ptr, count, buffer );
1001     else
1002         SetLastError( ERROR_INVALID_HANDLE );
1003
1004     GDI_ReleaseObj( handle );
1005     return result;
1006 }
1007
1008 /***********************************************************************
1009  *           GetObjectType    (GDI32.@)
1010  */
1011 DWORD WINAPI GetObjectType( HGDIOBJ handle )
1012 {
1013     GDIOBJHDR * ptr;
1014     INT result = 0;
1015     TRACE("%p\n", handle );
1016
1017     if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE )))
1018     {
1019         SetLastError( ERROR_INVALID_HANDLE );
1020         return 0;
1021     }
1022
1023     switch(GDIMAGIC(ptr->wMagic))
1024     {
1025       case PEN_MAGIC:
1026           result = OBJ_PEN;
1027           break;
1028       case EXT_PEN_MAGIC:
1029           result = OBJ_EXTPEN;
1030           break;
1031       case BRUSH_MAGIC:
1032           result = OBJ_BRUSH;
1033           break;
1034       case BITMAP_MAGIC:
1035           result = OBJ_BITMAP;
1036           break;
1037       case FONT_MAGIC:
1038           result = OBJ_FONT;
1039           break;
1040       case PALETTE_MAGIC:
1041           result = OBJ_PAL;
1042           break;
1043       case REGION_MAGIC:
1044           result = OBJ_REGION;
1045           break;
1046       case DC_MAGIC:
1047           result = OBJ_DC;
1048           break;
1049       case META_DC_MAGIC:
1050           result = OBJ_METADC;
1051           break;
1052       case METAFILE_MAGIC:
1053           result = OBJ_METAFILE;
1054           break;
1055       case METAFILE_DC_MAGIC:
1056           result = OBJ_METADC;
1057           break;
1058       case ENHMETAFILE_MAGIC:
1059           result = OBJ_ENHMETAFILE;
1060           break;
1061       case ENHMETAFILE_DC_MAGIC:
1062           result = OBJ_ENHMETADC;
1063           break;
1064       case MEMORY_DC_MAGIC:
1065           result = OBJ_MEMDC;
1066           break;
1067       default:
1068           FIXME("Magic %04x not implemented\n", GDIMAGIC(ptr->wMagic) );
1069           break;
1070     }
1071     GDI_ReleaseObj( handle );
1072     return result;
1073 }
1074
1075 /***********************************************************************
1076  *           GetCurrentObject           (GDI32.@)
1077  *
1078  * Get the currently selected object of a given type in a device context.
1079  *
1080  * PARAMS
1081  *  hdc  [I] Device context to get the current object from
1082  *  type [I] Type of current object to get (OBJ_* defines from "wingdi.h")
1083  *
1084  * RETURNS
1085  *  Success: The current object of the given type selected in hdc.
1086  *  Failure: A NULL handle.
1087  *
1088  * NOTES
1089  * - only the following object types are supported:
1090  *| OBJ_PEN
1091  *| OBJ_BRUSH
1092  *| OBJ_PAL
1093  *| OBJ_FONT
1094  *| OBJ_BITMAP
1095  */
1096 HGDIOBJ WINAPI GetCurrentObject(HDC hdc,UINT type)
1097 {
1098     HGDIOBJ ret = 0;
1099     DC * dc = DC_GetDCPtr( hdc );
1100
1101     if (dc)
1102     {
1103     switch (type) {
1104         case OBJ_EXTPEN: /* fall through */
1105         case OBJ_PEN:    ret = dc->hPen; break;
1106         case OBJ_BRUSH:  ret = dc->hBrush; break;
1107         case OBJ_PAL:    ret = dc->hPalette; break;
1108         case OBJ_FONT:   ret = dc->hFont; break;
1109         case OBJ_BITMAP: ret = dc->hBitmap; break;
1110
1111         /* tests show that OBJ_REGION is explicitly ignored */
1112         case OBJ_REGION: break;
1113     default:
1114         /* the SDK only mentions those above */
1115         FIXME("(%p,%d): unknown type.\n",hdc,type);
1116             break;
1117         }
1118         GDI_ReleaseObj( hdc );
1119     }
1120     return ret;
1121 }
1122
1123
1124 /***********************************************************************
1125  *           SelectObject    (GDI32.@)
1126  *
1127  * Select a Gdi object into a device context.
1128  *
1129  * PARAMS
1130  *  hdc  [I] Device context to associate the object with
1131  *  hObj [I] Gdi object to associate with hdc
1132  *
1133  * RETURNS
1134  *  Success: A non-NULL handle representing the previously selected object of
1135  *           the same type as hObj.
1136  *  Failure: A NULL object. If hdc is invalid, GetLastError() returns ERROR_INVALID_HANDLE.
1137  *           if hObj is not a valid object handle, no last error is set. In either
1138  *           case, hdc is unaffected by the call.
1139  */
1140 HGDIOBJ WINAPI SelectObject( HDC hdc, HGDIOBJ hObj )
1141 {
1142     HGDIOBJ ret = 0;
1143     GDIOBJHDR *header;
1144     DC *dc;
1145
1146     TRACE( "(%p,%p)\n", hdc, hObj );
1147
1148     if (!(dc = DC_GetDCPtr( hdc )))
1149         SetLastError( ERROR_INVALID_HANDLE );
1150     else
1151     {
1152         GDI_ReleaseObj( hdc );
1153
1154         header = GDI_GetObjPtr( hObj, MAGIC_DONTCARE );
1155         if (header)
1156         {
1157             if (header->funcs && header->funcs->pSelectObject)
1158             {
1159                 ret = header->funcs->pSelectObject( hObj, header, hdc );
1160                 if (ret && ret != hObj && (INT)ret > COMPLEXREGION)
1161                 {
1162                     inc_ref_count( hObj );
1163                     dec_ref_count( ret );
1164                 }
1165             }
1166             GDI_ReleaseObj( hObj );
1167         }
1168     }
1169     return ret;
1170 }
1171
1172
1173 /***********************************************************************
1174  *           UnrealizeObject    (GDI32.@)
1175  */
1176 BOOL WINAPI UnrealizeObject( HGDIOBJ obj )
1177 {
1178     BOOL result = TRUE;
1179   /* Check if object is valid */
1180
1181     GDIOBJHDR * header = GDI_GetObjPtr( obj, MAGIC_DONTCARE );
1182     if (!header) return FALSE;
1183
1184     TRACE("%p\n", obj );
1185
1186       /* Unrealize object */
1187
1188     if (header->funcs && header->funcs->pUnrealizeObject)
1189         result = header->funcs->pUnrealizeObject( obj, header );
1190
1191     GDI_ReleaseObj( obj );
1192     return result;
1193 }
1194
1195
1196 /* Solid colors to enumerate */
1197 static const COLORREF solid_colors[] =
1198 { RGB(0x00,0x00,0x00), RGB(0xff,0xff,0xff),
1199 RGB(0xff,0x00,0x00), RGB(0x00,0xff,0x00),
1200 RGB(0x00,0x00,0xff), RGB(0xff,0xff,0x00),
1201 RGB(0xff,0x00,0xff), RGB(0x00,0xff,0xff),
1202 RGB(0x80,0x00,0x00), RGB(0x00,0x80,0x00),
1203 RGB(0x80,0x80,0x00), RGB(0x00,0x00,0x80),
1204 RGB(0x80,0x00,0x80), RGB(0x00,0x80,0x80),
1205 RGB(0x80,0x80,0x80), RGB(0xc0,0xc0,0xc0)
1206 };
1207
1208
1209 /***********************************************************************
1210  *           EnumObjects    (GDI32.@)
1211  */
1212 INT WINAPI EnumObjects( HDC hdc, INT nObjType,
1213                             GOBJENUMPROC lpEnumFunc, LPARAM lParam )
1214 {
1215     UINT i;
1216     INT retval = 0;
1217     LOGPEN pen;
1218     LOGBRUSH brush;
1219
1220     TRACE("%p %d %p %08lx\n", hdc, nObjType, lpEnumFunc, lParam );
1221     switch(nObjType)
1222     {
1223     case OBJ_PEN:
1224         /* Enumerate solid pens */
1225         for (i = 0; i < sizeof(solid_colors)/sizeof(solid_colors[0]); i++)
1226         {
1227             pen.lopnStyle   = PS_SOLID;
1228             pen.lopnWidth.x = 1;
1229             pen.lopnWidth.y = 0;
1230             pen.lopnColor   = solid_colors[i];
1231             retval = lpEnumFunc( &pen, lParam );
1232             TRACE("solid pen %08x, ret=%d\n",
1233                          solid_colors[i], retval);
1234             if (!retval) break;
1235         }
1236         break;
1237
1238     case OBJ_BRUSH:
1239         /* Enumerate solid brushes */
1240         for (i = 0; i < sizeof(solid_colors)/sizeof(solid_colors[0]); i++)
1241         {
1242             brush.lbStyle = BS_SOLID;
1243             brush.lbColor = solid_colors[i];
1244             brush.lbHatch = 0;
1245             retval = lpEnumFunc( &brush, lParam );
1246             TRACE("solid brush %08x, ret=%d\n",
1247                          solid_colors[i], retval);
1248             if (!retval) break;
1249         }
1250
1251         /* Now enumerate hatched brushes */
1252         if (retval) for (i = HS_HORIZONTAL; i <= HS_DIAGCROSS; i++)
1253         {
1254             brush.lbStyle = BS_HATCHED;
1255             brush.lbColor = RGB(0,0,0);
1256             brush.lbHatch = i;
1257             retval = lpEnumFunc( &brush, lParam );
1258             TRACE("hatched brush %d, ret=%d\n",
1259                          i, retval);
1260             if (!retval) break;
1261         }
1262         break;
1263
1264     default:
1265         /* FIXME: implement Win32 types */
1266         WARN("(%d): Invalid type\n", nObjType );
1267         break;
1268     }
1269     return retval;
1270 }
1271
1272
1273 /***********************************************************************
1274  *           IsGDIObject    (GDI.462)
1275  *
1276  * returns type of object if valid (W95 system programming secrets p. 264-5)
1277  */
1278 BOOL16 WINAPI IsGDIObject16( HGDIOBJ16 handle16 )
1279 {
1280     UINT16 magic = 0;
1281     HGDIOBJ handle = HGDIOBJ_32( handle16 );
1282
1283     GDIOBJHDR *object = GDI_GetObjPtr( handle, MAGIC_DONTCARE );
1284     if (object)
1285     {
1286         magic = GDIMAGIC(object->wMagic) - FIRST_MAGIC + 1;
1287         GDI_ReleaseObj( handle );
1288     }
1289     return magic;
1290 }
1291
1292
1293 /***********************************************************************
1294  *           SetObjectOwner    (GDI32.@)
1295  */
1296 void WINAPI SetObjectOwner( HGDIOBJ handle, HANDLE owner )
1297 {
1298     /* Nothing to do */
1299 }
1300
1301
1302 /***********************************************************************
1303  *           MakeObjectPrivate    (GDI.463)
1304  *
1305  * What does that mean ?
1306  * Some little docu can be found in "Undocumented Windows",
1307  * but this is basically useless.
1308  * At least we know that this flags the GDI object's wMagic
1309  * with 0x2000 (OBJECT_PRIVATE), so we just do it.
1310  * But Wine doesn't react on that yet.
1311  */
1312 void WINAPI MakeObjectPrivate16( HGDIOBJ16 handle16, BOOL16 private )
1313 {
1314     HGDIOBJ handle = HGDIOBJ_32( handle16 );
1315     GDIOBJHDR *ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE );
1316     if (!ptr)
1317     {
1318         ERR("invalid GDI object %p !\n", handle);
1319         return;
1320     }
1321     ptr->wMagic |= OBJECT_PRIVATE;
1322     GDI_ReleaseObj( handle );
1323 }
1324
1325
1326 /***********************************************************************
1327  *           GdiFlush    (GDI32.@)
1328  */
1329 BOOL WINAPI GdiFlush(void)
1330 {
1331     return TRUE;  /* FIXME */
1332 }
1333
1334
1335 /***********************************************************************
1336  *           GdiGetBatchLimit    (GDI32.@)
1337  */
1338 DWORD WINAPI GdiGetBatchLimit(void)
1339 {
1340     return 1;  /* FIXME */
1341 }
1342
1343
1344 /***********************************************************************
1345  *           GdiSetBatchLimit    (GDI32.@)
1346  */
1347 DWORD WINAPI GdiSetBatchLimit( DWORD limit )
1348 {
1349     return 1; /* FIXME */
1350 }
1351
1352
1353 /***********************************************************************
1354  *           GdiSeeGdiDo   (GDI.452)
1355  */
1356 DWORD WINAPI GdiSeeGdiDo16( WORD wReqType, WORD wParam1, WORD wParam2,
1357                           WORD wParam3 )
1358 {
1359     DWORD ret = ~0U;
1360
1361     switch (wReqType)
1362     {
1363     case 0x0001:  /* LocalAlloc */
1364         WARN("LocalAlloc16(%x, %x): ignoring\n", wParam1, wParam3);
1365         ret = 0;
1366         break;
1367     case 0x0002:  /* LocalFree */
1368         WARN("LocalFree16(%x): ignoring\n", wParam1);
1369         ret = 0;
1370         break;
1371     case 0x0003:  /* LocalCompact */
1372         WARN("LocalCompact16(%x): ignoring\n", wParam3);
1373         ret = 65000; /* lie about the amount of free space */
1374         break;
1375     case 0x0103:  /* LocalHeap */
1376         WARN("LocalHeap16(): ignoring\n");
1377         break;
1378     default:
1379         WARN("(wReqType=%04x): Unknown\n", wReqType);
1380         break;
1381     }
1382     return ret;
1383 }
1384
1385 /***********************************************************************
1386  *           GdiSignalProc32     (GDI.610)
1387  */
1388 WORD WINAPI GdiSignalProc( UINT uCode, DWORD dwThreadOrProcessID,
1389                            DWORD dwFlags, HMODULE16 hModule )
1390 {
1391     return 0;
1392 }
1393
1394 /***********************************************************************
1395  *           GdiInit2     (GDI.403)
1396  *
1397  * See "Undocumented Windows"
1398  *
1399  * PARAMS
1400  *   h1 [I] GDI object
1401  *   h2 [I] global data
1402  */
1403 HANDLE16 WINAPI GdiInit216( HANDLE16 h1, HANDLE16 h2 )
1404 {
1405     FIXME("(%04x, %04x), stub.\n", h1, h2);
1406     if (h2 == 0xffff)
1407         return 0xffff; /* undefined return value */
1408     return h1; /* FIXME: should be the memory handle of h1 */
1409 }
1410
1411 /***********************************************************************
1412  *           FinalGdiInit     (GDI.405)
1413  */
1414 void WINAPI FinalGdiInit16( HBRUSH16 hPattern /* [in] fill pattern of desktop */ )
1415 {
1416 }
1417
1418 /***********************************************************************
1419  *           GdiFreeResources   (GDI.609)
1420  */
1421 WORD WINAPI GdiFreeResources16( DWORD reserve )
1422 {
1423     return 90; /* lie about it, it shouldn't matter */
1424 }
1425
1426
1427 /*******************************************************************
1428  *      GetColorAdjustment [GDI32.@]
1429  *
1430  *
1431  */
1432 BOOL WINAPI GetColorAdjustment(HDC hdc, LPCOLORADJUSTMENT lpca)
1433 {
1434         FIXME("GetColorAdjustment, stub\n");
1435         return 0;
1436 }
1437
1438 /*******************************************************************
1439  *      GdiComment [GDI32.@]
1440  *
1441  *
1442  */
1443 BOOL WINAPI GdiComment(HDC hdc, UINT cbSize, const BYTE *lpData)
1444 {
1445     DC *dc = DC_GetDCPtr(hdc);
1446     BOOL ret = FALSE;
1447     if(dc)
1448     {
1449         if (dc->funcs->pGdiComment)
1450             ret = dc->funcs->pGdiComment( dc->physDev, cbSize, lpData );
1451     }
1452     GDI_ReleaseObj( hdc );
1453     return ret;
1454 }
1455
1456 /*******************************************************************
1457  *      SetColorAdjustment [GDI32.@]
1458  *
1459  *
1460  */
1461 BOOL WINAPI SetColorAdjustment(HDC hdc, const COLORADJUSTMENT* lpca)
1462 {
1463         FIXME("SetColorAdjustment, stub\n");
1464         return 0;
1465 }