dlls/gdi/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.h"
  36 #include "gdi_private.h"
  37 #include "wine/debug.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(gdi);
  40
  41 #define HGDIOBJ_32(h16)   ((HGDIOBJ)(ULONG_PTR)(h16))
  42
  43 #define GDI_HEAP_SIZE 0xffe0
  44
  45 /***********************************************************************
  46  *          GDI stock objects
  47  */
  48
  49 static const LOGBRUSH WhiteBrush = { BS_SOLID, RGB(255,255,255), 0 };
  50 static const LOGBRUSH BlackBrush = { BS_SOLID, RGB(0,0,0), 0 };
  51 static const LOGBRUSH NullBrush  = { BS_NULL, 0, 0 };
  52
  53 static const LOGBRUSH LtGrayBrush = { BS_SOLID, RGB(192,192,192), 0 };
  54 static const LOGBRUSH GrayBrush   = { BS_SOLID, RGB(128,128,128), 0 };
  55 static const LOGBRUSH DkGrayBrush = { BS_SOLID, RGB(64,64,64), 0 };
  56
  57 static const LOGPEN WhitePen = { PS_SOLID, { 0, 0 }, RGB(255,255,255) };
  58 static const LOGPEN BlackPen = { PS_SOLID, { 0, 0 }, RGB(0,0,0) };
  59 static const LOGPEN NullPen  = { PS_NULL,  { 0, 0 }, 0 };
  60
  61 static const LOGBRUSH DCBrush = { BS_SOLID, RGB(255,255,255), 0 };
  62 static const LOGPEN DCPen     = { PS_SOLID, { 0, 0 }, RGB(0,0,0) };
  63
  64 /* reserve one extra entry for the stock default bitmap */
  65 /* this is what Windows does too */
  66 #define NB_STOCK_OBJECTS (STOCK_LAST+2)
  67
  68 static HGDIOBJ stock_objects[NB_STOCK_OBJECTS];
  69
  70 static SYSLEVEL GDI_level;
  71 static CRITICAL_SECTION_DEBUG critsect_debug =
  72 {
  73     0, 0, &GDI_level.crst,
  74     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  75       0, 0, { (DWORD_PTR)(__FILE__ ": GDI_level") }
  76 };
  77 static SYSLEVEL GDI_level = { { &critsect_debug, -1, 0, 0, 0, 0 }, 3 };
  78
  79 inline static BOOL get_bool(char *buffer)
  80 {
  81     return (buffer[0] == 'y' || buffer[0] == 'Y' ||
  82             buffer[0] == 't' || buffer[0] == 'T' ||
  83             buffer[0] == '1');
  84 }
  85
  86
  87 /****************************************************************************
  88  *
  89  *      language-independent stock fonts
  90  *
  91  */
  92
  93 static const LOGFONTW OEMFixedFont =
  94 { 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, OEM_CHARSET,
  95   0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, {'\0'} };
  96
  97 static const LOGFONTW AnsiFixedFont =
  98 { 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
  99   0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, {'\0'} };
 100
 101 static const LOGFONTW AnsiVarFont =
 102 { 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 103   0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 104   {'M','S',' ','S','a','n','s',' ','S','e','r','i','f','\0'} };
 105
 106 /******************************************************************************
 107  *
 108  *      language-dependent stock fonts
 109  *
 110  *      'ANSI' charset and 'DEFAULT' charset is not same.
 111  *      The chars in CP_ACP should be drawn with 'DEFAULT' charset.
 112  *      'ANSI' charset seems to be identical with ISO-8859-1.
 113  *      'DEFAULT' charset is a language-dependent charset.
 114  *
 115  *      'System' font seems to be an alias for language-dependent font.
 116  */
 117
 118 /*
 119  * language-dependent stock fonts for all known charsets
 120  * please see TranslateCharsetInfo (dlls/gdi/font.c) and
 121  * CharsetBindingInfo (dlls/x11drv/xfont.c),
 122  * and modify entries for your language if needed.
 123  */
 124 struct DefaultFontInfo
 125 {
 126         UINT            charset;
 127         LOGFONTW        SystemFont;
 128         LOGFONTW        DeviceDefaultFont;
 129         LOGFONTW        SystemFixedFont;
 130         LOGFONTW        DefaultGuiFont; /* Note for this font the lfHeight member should be the point size */
 131 };
 132
 133 static const struct DefaultFontInfo default_fonts[] =
 134 {
 135     {   ANSI_CHARSET,
 136         { /* System */
 137           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 138            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 139            {'S','y','s','t','e','m','\0'}
 140         },
 141         { /* Device Default */
 142           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 143            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 144            {'\0'}
 145         },
 146         { /* System Fixed */
 147           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 148            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 149            {'\0'}
 150         },
 151         { /* DefaultGuiFont */
 152            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 153            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 154            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 155         },
 156     },
 157     {   EASTEUROPE_CHARSET,
 158         { /* System */
 159           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 160            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 161            {'S','y','s','t','e','m','\0'}
 162         },
 163         { /* Device Default */
 164           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 165            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 166            {'\0'}
 167         },
 168         { /* System Fixed */
 169           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 170            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 171            {'\0'}
 172         },
 173         { /* DefaultGuiFont */
 174            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 175            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 176            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 177         },
 178     },
 179     {   RUSSIAN_CHARSET,
 180         { /* System */
 181           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 182            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 183            {'S','y','s','t','e','m','\0'}
 184         },
 185         { /* Device Default */
 186           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 187            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 188            {'\0'}
 189         },
 190         { /* System Fixed */
 191           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 192            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 193            {'\0'}
 194         },
 195         { /* DefaultGuiFont */
 196            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 197            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 198            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 199         },
 200     },
 201     {   GREEK_CHARSET,
 202         { /* System */
 203           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
 204            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 205            {'S','y','s','t','e','m','\0'}
 206         },
 207         { /* Device Default */
 208           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
 209            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 210            {'\0'}
 211         },
 212         { /* System Fixed */
 213           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
 214            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 215            {'\0'}
 216         },
 217         { /* DefaultGuiFont */
 218            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
 219            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 220            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 221         },
 222     },
 223     {   TURKISH_CHARSET,
 224         { /* System */
 225           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 226            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 227            {'S','y','s','t','e','m','\0'}
 228         },
 229         { /* Device Default */
 230           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 231            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 232            {'\0'}
 233         },
 234         { /* System Fixed */
 235           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 236            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 237            {'\0'}
 238         },
 239         { /* DefaultGuiFont */
 240            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 241            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 242            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 243         },
 244     },
 245     {   HEBREW_CHARSET,
 246         { /* System */
 247           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 248            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 249            {'S','y','s','t','e','m','\0'}
 250         },
 251         { /* Device Default */
 252           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 253            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 254            {'\0'}
 255         },
 256         { /* System Fixed */
 257           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 258            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 259            {'\0'}
 260         },
 261         { /* DefaultGuiFont */
 262            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 263            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 264            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 265         },
 266     },
 267     {   ARABIC_CHARSET,
 268         { /* System */
 269           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 270            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 271            {'S','y','s','t','e','m','\0'}
 272         },
 273         { /* Device Default */
 274           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 275            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 276            {'\0'}
 277         },
 278         { /* System Fixed */
 279           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 280            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 281            {'\0'}
 282         },
 283         { /* DefaultGuiFont */
 284            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 285            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 286            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 287         },
 288     },
 289     {   BALTIC_CHARSET,
 290         { /* System */
 291           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 292            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 293            {'S','y','s','t','e','m','\0'}
 294         },
 295         { /* Device Default */
 296           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 297            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 298            {'\0'}
 299         },
 300         { /* System Fixed */
 301           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 302            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 303            {'\0'}
 304         },
 305         { /* DefaultGuiFont */
 306            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 307            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 308            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 309         },
 310     },
 311     {   THAI_CHARSET,
 312         { /* System */
 313           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
 314            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 315            {'S','y','s','t','e','m','\0'}
 316         },
 317         { /* Device Default */
 318           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
 319            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 320            {'\0'}
 321         },
 322         { /* System Fixed */
 323           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
 324            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 325            {'\0'}
 326         },
 327         { /* DefaultGuiFont */
 328            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
 329            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 330            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 331         },
 332     },
 333     {   SHIFTJIS_CHARSET,
 334         { /* System */
 335           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 336            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 337            {'S','y','s','t','e','m','\0'}
 338         },
 339         { /* Device Default */
 340           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 341            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 342            {'\0'}
 343         },
 344         { /* System Fixed */
 345           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 346            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 347            {'\0'}
 348         },
 349         { /* DefaultGuiFont */
 350            9, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 351            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 352            {'M','S',' ','U','I',' ','G','o','t','h','i','c','\0'}
 353         },
 354     },
 355     {   GB2312_CHARSET,
 356         { /* System */
 357           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
 358            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 359            {'S','y','s','t','e','m','\0'}
 360         },
 361         { /* Device Default */
 362           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
 363            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 364            {'\0'}
 365         },
 366         { /* System Fixed */
 367           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
 368            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 369            {'\0'}
 370         },
 371         { /* DefaultGuiFont */
 372            9, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
 373            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 374            {'M','S',' ','S','o','n','g','\0'}   /* FIXME: Is this correct? */
 375         },
 376     },
 377     {   HANGEUL_CHARSET,
 378         { /* System */
 379           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 380            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 381            {'S','y','s','t','e','m','\0'}
 382         },
 383         { /* Device Default */
 384           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 385            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 386            {'\0'}
 387         },
 388         { /* System Fixed */
 389           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 390            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 391            {'\0'}
 392         },
 393         { /* DefaultGuiFont */
 394            9, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 395            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 396            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 397         },
 398     },
 399     {   CHINESEBIG5_CHARSET,
 400         { /* System */
 401           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 402            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 403            {'S','y','s','t','e','m','\0'}
 404         },
 405         { /* Device Default */
 406           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 407            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 408            {'\0'}
 409         },
 410         { /* System Fixed */
 411           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 412            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 413            {'\0'}
 414         },
 415         { /* DefaultGuiFont */
 416            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 417            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 418            {'\0'}       /* FIXME - what is the native font??? */
 419         },
 420     },
 421     {   JOHAB_CHARSET,
 422         { /* System */
 423           16, 7, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 424            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 425            {'S','y','s','t','e','m','\0'}
 426         },
 427         { /* Device Default */
 428           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 429            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 430            {'\0'}
 431         },
 432         { /* System Fixed */
 433           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 434            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 435            {'\0'}
 436         },
 437         { /* DefaultGuiFont */
 438            8, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 439            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 440            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 441         },
 442     },
 443 };
 444
 445
 446 /*************************************************************************
 447  * __wine_make_gdi_object_system    (GDI32.@)
 448  *
 449  * USER has to tell GDI that its system brushes and pens are non-deletable.
 450  * For a description of the GDI object magics and their flags,
 451  * see "Undocumented Windows" (wrong about the OBJECT_NOSYSTEM flag, though).
 452  */
 453 void __wine_make_gdi_object_system( HGDIOBJ handle, BOOL set)
 454 {
 455     GDIOBJHDR *ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE );
 456
 457     /* touch the "system" bit of the wMagic field of a GDIOBJHDR */
 458     if (set)
 459         ptr->wMagic &= ~OBJECT_NOSYSTEM;
 460     else
 461         ptr->wMagic |= OBJECT_NOSYSTEM;
 462
 463     GDI_ReleaseObj( handle );
 464 }
 465
 466 /******************************************************************************
 467  *      get_default_fonts
 468  */
 469 static const struct DefaultFontInfo* get_default_fonts(UINT charset)
 470 {
 471         unsigned int n;
 472
 473         for(n=0;n<(sizeof(default_fonts)/sizeof(default_fonts[0]));n++)
 474         {
 475                 if ( default_fonts[n].charset == charset )
 476                         return &default_fonts[n];
 477         }
 478
 479         FIXME( "unhandled charset 0x%08x - use ANSI_CHARSET for default stock objects\n", charset );
 480         return &default_fonts[0];
 481 }
 482
 483
 484 /******************************************************************************
 485  *      get_default_charset    (internal)
 486  *
 487  * get the language-dependent charset that can handle CP_ACP correctly.
 488  */
 489 static UINT get_default_charset( void )
 490 {
 491     CHARSETINFO     csi;
 492     UINT    uACP;
 493
 494     uACP = GetACP();
 495     csi.ciCharset = ANSI_CHARSET;
 496     if ( ! TranslateCharsetInfo( (LPDWORD)uACP, &csi, TCI_SRCCODEPAGE ) )
 497     {
 498         FIXME( "unhandled codepage %u - use ANSI_CHARSET for default stock objects\n", uACP );
 499         return ANSI_CHARSET;
 500     }
 501
 502     return csi.ciCharset;
 503 }
 504
 505 static const WCHAR dpi_key_name[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s','\0'};
 506 static const WCHAR dpi_value_name[] = {'L','o','g','P','i','x','e','l','s','\0'};
 507
 508 /******************************************************************************
 509  *      get_dpi   (internal)
 510  *
 511  * get the dpi from the registry
 512  */
 513 static DWORD get_dpi( void )
 514 {
 515     DWORD dpi = 96;
 516     HKEY hkey;
 517
 518     if (RegOpenKeyW(HKEY_CURRENT_CONFIG, dpi_key_name, &hkey) == ERROR_SUCCESS)
 519     {
 520         DWORD type, size, new_dpi;
 521
 522         size = sizeof(new_dpi);
 523         if(RegQueryValueExW(hkey, dpi_value_name, NULL, &type, (void *)&new_dpi, &size) == ERROR_SUCCESS)
 524         {
 525             if(type == REG_DWORD && new_dpi != 0)
 526                 dpi = new_dpi;
 527         }
 528         RegCloseKey(hkey);
 529     }
 530     return dpi;
 531 }
 532
 533
 534 /***********************************************************************
 535  *           inc_ref_count
 536  *
 537  * Increment the reference count of a GDI object.
 538  */
 539 inline static void inc_ref_count( HGDIOBJ handle )
 540 {
 541     GDIOBJHDR *header;
 542
 543     if ((header = GDI_GetObjPtr( handle, MAGIC_DONTCARE )))
 544     {
 545         header->dwCount++;
 546         GDI_ReleaseObj( handle );
 547     }
 548 }
 549
 550
 551 /***********************************************************************
 552  *           dec_ref_count
 553  *
 554  * Decrement the reference count of a GDI object.
 555  */
 556 inline static void dec_ref_count( HGDIOBJ handle )
 557 {
 558     GDIOBJHDR *header;
 559
 560     if ((header = GDI_GetObjPtr( handle, MAGIC_DONTCARE )))
 561     {
 562         if (header->dwCount) header->dwCount--;
 563         if (header->dwCount != 0x80000000) GDI_ReleaseObj( handle );
 564         else
 565         {
 566             /* handle delayed DeleteObject*/
 567             header->dwCount = 0;
 568             GDI_ReleaseObj( handle );
 569             TRACE( "executing delayed DeleteObject for %p\n", handle );
 570             DeleteObject( handle );
 571         }
 572     }
 573 }
 574
 575
 576 /***********************************************************************
 577  *           GDI_Init
 578  *
 579  * GDI initialization.
 580  */
 581 BOOL GDI_Init(void)
 582 {
 583     LOGFONTW default_gui_font;
 584     const struct DefaultFontInfo* deffonts;
 585     int i;
 586
 587     WineEngInit();
 588
 589     /* create stock objects */
 590     stock_objects[WHITE_BRUSH]  = CreateBrushIndirect( &WhiteBrush );
 591     stock_objects[LTGRAY_BRUSH] = CreateBrushIndirect( &LtGrayBrush );
 592     stock_objects[GRAY_BRUSH]   = CreateBrushIndirect( &GrayBrush );
 593     stock_objects[DKGRAY_BRUSH] = CreateBrushIndirect( &DkGrayBrush );
 594     stock_objects[BLACK_BRUSH]  = CreateBrushIndirect( &BlackBrush );
 595     stock_objects[NULL_BRUSH]   = CreateBrushIndirect( &NullBrush );
 596
 597     stock_objects[WHITE_PEN]    = CreatePenIndirect( &WhitePen );
 598     stock_objects[BLACK_PEN]    = CreatePenIndirect( &BlackPen );
 599     stock_objects[NULL_PEN]     = CreatePenIndirect( &NullPen );
 600
 601     stock_objects[DEFAULT_PALETTE] = PALETTE_Init();
 602     stock_objects[DEFAULT_BITMAP]  = CreateBitmap( 1, 1, 1, 1, NULL );
 603
 604     /* language-independent stock fonts */
 605     stock_objects[OEM_FIXED_FONT]      = CreateFontIndirectW( &OEMFixedFont );
 606     stock_objects[ANSI_FIXED_FONT]     = CreateFontIndirectW( &AnsiFixedFont );
 607     stock_objects[ANSI_VAR_FONT]       = CreateFontIndirectW( &AnsiVarFont );
 608
 609     /* language-dependent stock fonts */
 610     deffonts = get_default_fonts(get_default_charset());
 611     stock_objects[SYSTEM_FONT]         = CreateFontIndirectW( &deffonts->SystemFont );
 612     stock_objects[DEVICE_DEFAULT_FONT] = CreateFontIndirectW( &deffonts->DeviceDefaultFont );
 613     stock_objects[SYSTEM_FIXED_FONT]   = CreateFontIndirectW( &deffonts->SystemFixedFont );
 614
 615     /* For the default gui font, we use the lfHeight member in deffonts as a place-holder
 616        for the point size so we must convert this into a true height */
 617     memcpy(&default_gui_font, &deffonts->DefaultGuiFont, sizeof(default_gui_font));
 618     default_gui_font.lfHeight = -MulDiv(default_gui_font.lfHeight, get_dpi(), 72);
 619     stock_objects[DEFAULT_GUI_FONT]    = CreateFontIndirectW( &default_gui_font );
 620
 621     stock_objects[DC_BRUSH]     = CreateBrushIndirect( &DCBrush );
 622     stock_objects[DC_PEN]       = CreatePenIndirect( &DCPen );
 623
 624     /* clear the NOSYSTEM bit on all stock objects*/
 625     for (i = 0; i < NB_STOCK_OBJECTS; i++)
 626     {
 627         if (!stock_objects[i])
 628         {
 629             if (i == 9) continue;  /* there's no stock object 9 */
 630             ERR( "could not create stock object %d\n", i );
 631             return FALSE;
 632         }
 633         __wine_make_gdi_object_system( stock_objects[i], TRUE );
 634     }
 635
 636     return TRUE;
 637 }
 638
 639 #define FIRST_LARGE_HANDLE 16
 640 #define MAX_LARGE_HANDLES ((GDI_HEAP_SIZE >> 2) - FIRST_LARGE_HANDLE)
 641 static GDIOBJHDR *large_handles[MAX_LARGE_HANDLES];
 642 static int next_large_handle;
 643
 644 /***********************************************************************
 645  *           alloc_large_heap
 646  *
 647  * Allocate a GDI handle from the large heap. Helper for GDI_AllocObject
 648  */
 649 inline static GDIOBJHDR *alloc_large_heap( WORD size, HGDIOBJ *handle )
 650 {
 651     int i;
 652     GDIOBJHDR *obj;
 653
 654     for (i = next_large_handle + 1; i < MAX_LARGE_HANDLES; i++)
 655         if (!large_handles[i]) goto found;
 656     for (i = 0; i <= next_large_handle; i++)
 657         if (!large_handles[i]) goto found;
 658     *handle = 0;
 659     return NULL;
 660
 661  found:
 662     if ((obj = HeapAlloc( GetProcessHeap(), 0, size )))
 663     {
 664         large_handles[i] = obj;
 665         *handle = (HGDIOBJ)(ULONG_PTR)((i + FIRST_LARGE_HANDLE) << 2);
 666         next_large_handle = i;
 667     }
 668     return obj;
 669 }
 670
 671
 672 /***********************************************************************
 673  *           GDI_AllocObject
 674  */
 675 void *GDI_AllocObject( WORD size, WORD magic, HGDIOBJ *handle, const struct gdi_obj_funcs *funcs )
 676 {
 677     GDIOBJHDR *obj = NULL;
 678
 679     _EnterSysLevel( &GDI_level );
 680     if (!(obj = alloc_large_heap( size, handle ))) goto error;
 681
 682     obj->wMagic  = magic|OBJECT_NOSYSTEM;
 683     obj->dwCount = 0;
 684     obj->funcs   = funcs;
 685     obj->hdcs    = NULL;
 686
 687     TRACE("(%p): enter %d\n", *handle, GDI_level.crst.RecursionCount);
 688     return obj;
 689
 690 error:
 691     _LeaveSysLevel( &GDI_level );
 692     *handle = 0;
 693     return NULL;
 694 }
 695
 696
 697 /***********************************************************************
 698  *           GDI_ReallocObject
 699  *
 700  * The object ptr must have been obtained with GDI_GetObjPtr.
 701  * The new pointer must be released with GDI_ReleaseObj.
 702  */
 703 void *GDI_ReallocObject( WORD size, HGDIOBJ handle, void *object )
 704 {
 705     void *new_ptr = NULL;
 706     int i;
 707
 708     i = ((ULONG_PTR)handle >> 2) - FIRST_LARGE_HANDLE;
 709     if (i >= 0 && i < MAX_LARGE_HANDLES && large_handles[i])
 710     {
 711         new_ptr = HeapReAlloc( GetProcessHeap(), 0, large_handles[i], size );
 712         if (new_ptr) large_handles[i] = new_ptr;
 713     }
 714     else ERR( "Invalid handle %p\n", handle );
 715     if (!new_ptr)
 716     {
 717         TRACE("(%p): leave %d\n", handle, GDI_level.crst.RecursionCount);
 718         _LeaveSysLevel( &GDI_level );
 719     }
 720     return new_ptr;
 721 }
 722
 723
 724 /***********************************************************************
 725  *           GDI_FreeObject
 726  */
 727 BOOL GDI_FreeObject( HGDIOBJ handle, void *ptr )
 728 {
 729     GDIOBJHDR *object = ptr;
 730     int i;
 731
 732     object->wMagic = 0;  /* Mark it as invalid */
 733     object->funcs  = NULL;
 734     i = ((ULONG_PTR)handle >> 2) - FIRST_LARGE_HANDLE;
 735     if (i >= 0 && i < MAX_LARGE_HANDLES)
 736     {
 737         HeapFree( GetProcessHeap(), 0, large_handles[i] );
 738         large_handles[i] = NULL;
 739     }
 740     else ERR( "Invalid handle %p\n", handle );
 741     TRACE("(%p): leave %d\n", handle, GDI_level.crst.RecursionCount);
 742     _LeaveSysLevel( &GDI_level );
 743     return TRUE;
 744 }
 745
 746
 747 /***********************************************************************
 748  *           GDI_GetObjPtr
 749  *
 750  * Return a pointer to the GDI object associated to the handle.
 751  * Return NULL if the object has the wrong magic number.
 752  * The object must be released with GDI_ReleaseObj.
 753  */
 754 void *GDI_GetObjPtr( HGDIOBJ handle, WORD magic )
 755 {
 756     GDIOBJHDR *ptr = NULL;
 757     int i;
 758
 759     _EnterSysLevel( &GDI_level );
 760
 761     i = ((UINT_PTR)handle >> 2) - FIRST_LARGE_HANDLE;
 762     if (i >= 0 && i < MAX_LARGE_HANDLES)
 763     {
 764         ptr = large_handles[i];
 765         if (ptr && (magic != MAGIC_DONTCARE) && (GDIMAGIC(ptr->wMagic) != magic)) ptr = NULL;
 766     }
 767
 768     if (!ptr)
 769     {
 770         _LeaveSysLevel( &GDI_level );
 771         WARN( "Invalid handle %p\n", handle );
 772     }
 773     else TRACE("(%p): enter %d\n", handle, GDI_level.crst.RecursionCount);
 774
 775     return ptr;
 776 }
 777
 778
 779 /***********************************************************************
 780  *           GDI_ReleaseObj
 781  *
 782  */
 783 void GDI_ReleaseObj( HGDIOBJ handle )
 784 {
 785     TRACE("(%p): leave %d\n", handle, GDI_level.crst.RecursionCount);
 786     _LeaveSysLevel( &GDI_level );
 787 }
 788
 789
 790 /***********************************************************************
 791  *           GDI_CheckNotLock
 792  */
 793 void GDI_CheckNotLock(void)
 794 {
 795     _CheckNotSysLevel( &GDI_level );
 796 }
 797
 798
 799 /***********************************************************************
 800  *           DeleteObject    (GDI32.@)
 801  *
 802  * Delete a Gdi object.
 803  *
 804  * PARAMS
 805  *  obj [I] Gdi object to delete
 806  *
 807  * RETURNS
 808  *  Success: TRUE. If obj was not returned from GetStockObject(), any resources
 809  *           it consumed are released.
 810  *  Failure: FALSE, if obj is not a valid Gdi object, or is currently selected
 811  *           into a DC.
 812  */
 813 BOOL WINAPI DeleteObject( HGDIOBJ obj )
 814 {
 815       /* Check if object is valid */
 816
 817     GDIOBJHDR * header;
 818     if (HIWORD(obj)) return FALSE;
 819
 820     if (!(header = GDI_GetObjPtr( obj, MAGIC_DONTCARE ))) return FALSE;
 821
 822     if (!(header->wMagic & OBJECT_NOSYSTEM)
 823     &&   (header->wMagic >= FIRST_MAGIC) && (header->wMagic <= LAST_MAGIC))
 824     {
 825         TRACE("Preserving system object %p\n", obj);
 826         GDI_ReleaseObj( obj );
 827         return TRUE;
 828     }
 829
 830     while (header->hdcs)
 831     {
 832         DC *dc = DC_GetDCPtr(header->hdcs->hdc);
 833         struct hdc_list *tmp;
 834
 835         TRACE("hdc %p has interest in %p\n", header->hdcs->hdc, obj);
 836         if(dc)
 837         {
 838             if(dc->funcs->pDeleteObject)
 839                 dc->funcs->pDeleteObject( dc->physDev, obj );
 840             GDI_ReleaseObj( header->hdcs->hdc );
 841         }
 842         tmp = header->hdcs;
 843         header->hdcs = header->hdcs->next;
 844         HeapFree(GetProcessHeap(), 0, tmp);
 845     }
 846
 847     if (header->dwCount)
 848     {
 849         TRACE("delayed for %p because object in use, count %d\n", obj, header->dwCount );
 850         header->dwCount |= 0x80000000; /* mark for delete */
 851         GDI_ReleaseObj( obj );
 852         return TRUE;
 853     }
 854
 855     TRACE("%p\n", obj );
 856
 857       /* Delete object */
 858
 859     if (header->funcs && header->funcs->pDeleteObject)
 860         return header->funcs->pDeleteObject( obj, header );
 861
 862     GDI_ReleaseObj( obj );
 863     return FALSE;
 864 }
 865
 866 /***********************************************************************
 867  *           GDI_hdc_using_object
 868  *
 869  * Call this if the dc requires DeleteObject notification
 870  */
 871 BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc)
 872 {
 873     GDIOBJHDR * header;
 874     struct hdc_list **pphdc;
 875
 876     TRACE("obj %p hdc %p\n", obj, hdc);
 877
 878     if (!(header = GDI_GetObjPtr( obj, MAGIC_DONTCARE ))) return FALSE;
 879
 880     if (!(header->wMagic & OBJECT_NOSYSTEM) &&
 881          (header->wMagic >= FIRST_MAGIC) && (header->wMagic <= LAST_MAGIC))
 882     {
 883         GDI_ReleaseObj(obj);
 884         return FALSE;
 885     }
 886
 887     for(pphdc = &header->hdcs; *pphdc; pphdc = &(*pphdc)->next)
 888         if((*pphdc)->hdc == hdc)
 889             break;
 890
 891     if(!*pphdc) {
 892         *pphdc = HeapAlloc(GetProcessHeap(), 0, sizeof(**pphdc));
 893         (*pphdc)->hdc = hdc;
 894         (*pphdc)->next = NULL;
 895     }
 896
 897     GDI_ReleaseObj(obj);
 898     return TRUE;
 899 }
 900
 901 /***********************************************************************
 902  *           GDI_hdc_not_using_object
 903  *
 904  */
 905 BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc)
 906 {
 907     GDIOBJHDR * header;
 908     struct hdc_list *phdc, **prev;
 909
 910     TRACE("obj %p hdc %p\n", obj, hdc);
 911
 912     if (!(header = GDI_GetObjPtr( obj, MAGIC_DONTCARE ))) return FALSE;
 913
 914     if (!(header->wMagic & OBJECT_NOSYSTEM) &&
 915          (header->wMagic >= FIRST_MAGIC) && (header->wMagic <= LAST_MAGIC))
 916     {
 917         GDI_ReleaseObj(obj);
 918         return FALSE;
 919     }
 920
 921     phdc = header->hdcs;
 922     prev = &header->hdcs;
 923
 924     while(phdc) {
 925         if(phdc->hdc == hdc) {
 926             *prev = phdc->next;
 927             HeapFree(GetProcessHeap(), 0, phdc);
 928             phdc = *prev;
 929         } else {
 930             prev = &phdc->next;
 931             phdc = phdc->next;
 932         }
 933     }
 934
 935     GDI_ReleaseObj(obj);
 936     return TRUE;
 937 }
 938
 939 /***********************************************************************
 940  *           GetStockObject    (GDI32.@)
 941  */
 942 HGDIOBJ WINAPI GetStockObject( INT obj )
 943 {
 944     HGDIOBJ ret;
 945     if ((obj < 0) || (obj >= NB_STOCK_OBJECTS)) return 0;
 946     ret = stock_objects[obj];
 947     TRACE("returning %p\n", ret );
 948     return ret;
 949 }
 950
 951
 952 /***********************************************************************
 953  *           GetObject    (GDI.82)
 954  */
 955 INT16 WINAPI GetObject16( HGDIOBJ16 handle16, INT16 count, LPVOID buffer )
 956 {
 957     GDIOBJHDR * ptr;
 958     HGDIOBJ handle = HGDIOBJ_32( handle16 );
 959     INT16 result = 0;
 960
 961     TRACE("%p %d %p\n", handle, count, buffer );
 962     if (!count) return 0;
 963
 964     if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE ))) return 0;
 965
 966     if (ptr->funcs && ptr->funcs->pGetObject16)
 967         result = ptr->funcs->pGetObject16( handle, ptr, count, buffer );
 968     else
 969         SetLastError( ERROR_INVALID_HANDLE );
 970
 971     GDI_ReleaseObj( handle );
 972     return result;
 973 }
 974
 975
 976 /***********************************************************************
 977  *           GetObjectA    (GDI32.@)
 978  */
 979 INT WINAPI GetObjectA( HGDIOBJ handle, INT count, LPVOID buffer )
 980 {
 981     GDIOBJHDR * ptr;
 982     INT result = 0;
 983     TRACE("%p %d %p\n", handle, count, buffer );
 984
 985     if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE ))) return 0;
 986
 987     if (ptr->funcs && ptr->funcs->pGetObjectA)
 988         result = ptr->funcs->pGetObjectA( handle, ptr, count, buffer );
 989     else
 990         SetLastError( ERROR_INVALID_HANDLE );
 991
 992     GDI_ReleaseObj( handle );
 993     return result;
 994 }
 995
 996 /***********************************************************************
 997  *           GetObjectW    (GDI32.@)
 998  */
 999 INT WINAPI GetObjectW( HGDIOBJ handle, INT count, LPVOID buffer )
1000 {
1001     GDIOBJHDR * ptr;
1002     INT result = 0;
1003     TRACE("%p %d %p\n", handle, count, buffer );
1004
1005     if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE ))) return 0;
1006
1007     if (ptr->funcs && ptr->funcs->pGetObjectW)
1008         result = ptr->funcs->pGetObjectW( handle, ptr, count, buffer );
1009     else
1010         SetLastError( ERROR_INVALID_HANDLE );
1011
1012     GDI_ReleaseObj( handle );
1013     return result;
1014 }
1015
1016 /***********************************************************************
1017  *           GetObjectType    (GDI32.@)
1018  */
1019 DWORD WINAPI GetObjectType( HGDIOBJ handle )
1020 {
1021     GDIOBJHDR * ptr;
1022     INT result = 0;
1023     TRACE("%p\n", handle );
1024
1025     if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE )))
1026     {
1027         SetLastError( ERROR_INVALID_HANDLE );
1028         return 0;
1029     }
1030
1031     switch(GDIMAGIC(ptr->wMagic))
1032     {
1033       case PEN_MAGIC:
1034           result = OBJ_PEN;
1035           break;
1036       case EXT_PEN_MAGIC:
1037           result = OBJ_EXTPEN;
1038           break;
1039       case BRUSH_MAGIC:
1040           result = OBJ_BRUSH;
1041           break;
1042       case BITMAP_MAGIC:
1043           result = OBJ_BITMAP;
1044           break;
1045       case FONT_MAGIC:
1046           result = OBJ_FONT;
1047           break;
1048       case PALETTE_MAGIC:
1049           result = OBJ_PAL;
1050           break;
1051       case REGION_MAGIC:
1052           result = OBJ_REGION;
1053           break;
1054       case DC_MAGIC:
1055           result = OBJ_DC;
1056           break;
1057       case META_DC_MAGIC:
1058           result = OBJ_METADC;
1059           break;
1060       case METAFILE_MAGIC:
1061           result = OBJ_METAFILE;
1062           break;
1063       case METAFILE_DC_MAGIC:
1064           result = OBJ_METADC;
1065           break;
1066       case ENHMETAFILE_MAGIC:
1067           result = OBJ_ENHMETAFILE;
1068           break;
1069       case ENHMETAFILE_DC_MAGIC:
1070           result = OBJ_ENHMETADC;
1071           break;
1072       case MEMORY_DC_MAGIC:
1073           result = OBJ_MEMDC;
1074           break;
1075       default:
1076           FIXME("Magic %04x not implemented\n", GDIMAGIC(ptr->wMagic) );
1077           break;
1078     }
1079     GDI_ReleaseObj( handle );
1080     return result;
1081 }
1082
1083 /***********************************************************************
1084  *           GetCurrentObject           (GDI32.@)
1085  *
1086  * Get the currently selected object of a given type in a device context.
1087  *
1088  * PARAMS
1089  *  hdc  [I] Device context to get the current object from
1090  *  type [I] Type of current object to get (OBJ_* defines from "wingdi.h")
1091  *
1092  * RETURNS
1093  *  Success: The current object of the given type selected in hdc.
1094  *  Failure: A NULL handle.
1095  *
1096  * NOTES
1097  * - only the following object types are supported:
1098  *| OBJ_PEN
1099  *| OBJ_BRUSH
1100  *| OBJ_PAL
1101  *| OBJ_FONT
1102  *| OBJ_BITMAP
1103  */
1104 HGDIOBJ WINAPI GetCurrentObject(HDC hdc,UINT type)
1105 {
1106     HGDIOBJ ret = 0;
1107     DC * dc = DC_GetDCPtr( hdc );
1108
1109     if (dc)
1110     {
1111     switch (type) {
1112         case OBJ_EXTPEN: /* fall through */
1113         case OBJ_PEN:    ret = dc->hPen; break;
1114         case OBJ_BRUSH:  ret = dc->hBrush; break;
1115         case OBJ_PAL:    ret = dc->hPalette; break;
1116         case OBJ_FONT:   ret = dc->hFont; break;
1117         case OBJ_BITMAP: ret = dc->hBitmap; break;
1118
1119         /* tests show that OBJ_REGION is explicitly ignored */
1120         case OBJ_REGION: break;
1121     default:
1122         /* the SDK only mentions those above */
1123         FIXME("(%p,%d): unknown type.\n",hdc,type);
1124             break;
1125         }
1126         GDI_ReleaseObj( hdc );
1127     }
1128     return ret;
1129 }
1130
1131
1132 /***********************************************************************
1133  *           SelectObject    (GDI32.@)
1134  *
1135  * Select a Gdi object into a device context.
1136  *
1137  * PARAMS
1138  *  hdc  [I] Device context to associate the object with
1139  *  hObj [I] Gdi object to associate with hdc
1140  *
1141  * RETURNS
1142  *  Success: A non-NULL handle representing the previously selected object of
1143  *           the same type as hObj.
1144  *  Failure: A NULL object. If hdc is invalid, GetLastError() returns ERROR_INVALID_HANDLE.
1145  *           if hObj is not a valid object handle, no last error is set. In either
1146  *           case, hdc is unaffected by the call.
1147  */
1148 HGDIOBJ WINAPI SelectObject( HDC hdc, HGDIOBJ hObj )
1149 {
1150     HGDIOBJ ret = 0;
1151     GDIOBJHDR *header;
1152     DC *dc;
1153
1154     TRACE( "(%p,%p)\n", hdc, hObj );
1155
1156     if (!(dc = DC_GetDCPtr( hdc )))
1157         SetLastError( ERROR_INVALID_HANDLE );
1158     else
1159     {
1160         GDI_ReleaseObj( hdc );
1161
1162         header = GDI_GetObjPtr( hObj, MAGIC_DONTCARE );
1163         if (header)
1164         {
1165             if (header->funcs && header->funcs->pSelectObject)
1166             {
1167                 ret = header->funcs->pSelectObject( hObj, header, hdc );
1168                 if (ret && ret != hObj && (INT)ret > COMPLEXREGION)
1169                 {
1170                     inc_ref_count( hObj );
1171                     dec_ref_count( ret );
1172                 }
1173             }
1174             GDI_ReleaseObj( hObj );
1175         }
1176     }
1177     return ret;
1178 }
1179
1180
1181 /***********************************************************************
1182  *           UnrealizeObject    (GDI32.@)
1183  */
1184 BOOL WINAPI UnrealizeObject( HGDIOBJ obj )
1185 {
1186     BOOL result = TRUE;
1187   /* Check if object is valid */
1188
1189     GDIOBJHDR * header = GDI_GetObjPtr( obj, MAGIC_DONTCARE );
1190     if (!header) return FALSE;
1191
1192     TRACE("%p\n", obj );
1193
1194       /* Unrealize object */
1195
1196     if (header->funcs && header->funcs->pUnrealizeObject)
1197         result = header->funcs->pUnrealizeObject( obj, header );
1198
1199     GDI_ReleaseObj( obj );
1200     return result;
1201 }
1202
1203
1204 /* Solid colors to enumerate */
1205 static const COLORREF solid_colors[] =
1206 { RGB(0x00,0x00,0x00), RGB(0xff,0xff,0xff),
1207 RGB(0xff,0x00,0x00), RGB(0x00,0xff,0x00),
1208 RGB(0x00,0x00,0xff), RGB(0xff,0xff,0x00),
1209 RGB(0xff,0x00,0xff), RGB(0x00,0xff,0xff),
1210 RGB(0x80,0x00,0x00), RGB(0x00,0x80,0x00),
1211 RGB(0x80,0x80,0x00), RGB(0x00,0x00,0x80),
1212 RGB(0x80,0x00,0x80), RGB(0x00,0x80,0x80),
1213 RGB(0x80,0x80,0x80), RGB(0xc0,0xc0,0xc0)
1214 };
1215
1216
1217 /***********************************************************************
1218  *           EnumObjects    (GDI32.@)
1219  */
1220 INT WINAPI EnumObjects( HDC hdc, INT nObjType,
1221                             GOBJENUMPROC lpEnumFunc, LPARAM lParam )
1222 {
1223     UINT i;
1224     INT retval = 0;
1225     LOGPEN pen;
1226     LOGBRUSH brush;
1227
1228     TRACE("%p %d %p %08lx\n", hdc, nObjType, lpEnumFunc, lParam );
1229     switch(nObjType)
1230     {
1231     case OBJ_PEN:
1232         /* Enumerate solid pens */
1233         for (i = 0; i < sizeof(solid_colors)/sizeof(solid_colors[0]); i++)
1234         {
1235             pen.lopnStyle   = PS_SOLID;
1236             pen.lopnWidth.x = 1;
1237             pen.lopnWidth.y = 0;
1238             pen.lopnColor   = solid_colors[i];
1239             retval = lpEnumFunc( &pen, lParam );
1240             TRACE("solid pen %08x, ret=%d\n",
1241                          solid_colors[i], retval);
1242             if (!retval) break;
1243         }
1244         break;
1245
1246     case OBJ_BRUSH:
1247         /* Enumerate solid brushes */
1248         for (i = 0; i < sizeof(solid_colors)/sizeof(solid_colors[0]); i++)
1249         {
1250             brush.lbStyle = BS_SOLID;
1251             brush.lbColor = solid_colors[i];
1252             brush.lbHatch = 0;
1253             retval = lpEnumFunc( &brush, lParam );
1254             TRACE("solid brush %08x, ret=%d\n",
1255                          solid_colors[i], retval);
1256             if (!retval) break;
1257         }
1258
1259         /* Now enumerate hatched brushes */
1260         if (retval) for (i = HS_HORIZONTAL; i <= HS_DIAGCROSS; i++)
1261         {
1262             brush.lbStyle = BS_HATCHED;
1263             brush.lbColor = RGB(0,0,0);
1264             brush.lbHatch = i;
1265             retval = lpEnumFunc( &brush, lParam );
1266             TRACE("hatched brush %d, ret=%d\n",
1267                          i, retval);
1268             if (!retval) break;
1269         }
1270         break;
1271
1272     default:
1273         /* FIXME: implement Win32 types */
1274         WARN("(%d): Invalid type\n", nObjType );
1275         break;
1276     }
1277     return retval;
1278 }
1279
1280
1281 /***********************************************************************
1282  *           IsGDIObject    (GDI.462)
1283  *
1284  * returns type of object if valid (W95 system programming secrets p. 264-5)
1285  */
1286 BOOL16 WINAPI IsGDIObject16( HGDIOBJ16 handle16 )
1287 {
1288     UINT16 magic = 0;
1289     HGDIOBJ handle = HGDIOBJ_32( handle16 );
1290
1291     GDIOBJHDR *object = GDI_GetObjPtr( handle, MAGIC_DONTCARE );
1292     if (object)
1293     {
1294         magic = GDIMAGIC(object->wMagic) - FIRST_MAGIC + 1;
1295         GDI_ReleaseObj( handle );
1296     }
1297     return magic;
1298 }
1299
1300
1301 /***********************************************************************
1302  *           SetObjectOwner    (GDI32.@)
1303  */
1304 void WINAPI SetObjectOwner( HGDIOBJ handle, HANDLE owner )
1305 {
1306     /* Nothing to do */
1307 }
1308
1309
1310 /***********************************************************************
1311  *           MakeObjectPrivate    (GDI.463)
1312  *
1313  * What does that mean ?
1314  * Some little docu can be found in "Undocumented Windows",
1315  * but this is basically useless.
1316  * At least we know that this flags the GDI object's wMagic
1317  * with 0x2000 (OBJECT_PRIVATE), so we just do it.
1318  * But Wine doesn't react on that yet.
1319  */
1320 void WINAPI MakeObjectPrivate16( HGDIOBJ16 handle16, BOOL16 private )
1321 {
1322     HGDIOBJ handle = HGDIOBJ_32( handle16 );
1323     GDIOBJHDR *ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE );
1324     if (!ptr)
1325     {
1326         ERR("invalid GDI object %p !\n", handle);
1327         return;
1328     }
1329     ptr->wMagic |= OBJECT_PRIVATE;
1330     GDI_ReleaseObj( handle );
1331 }
1332
1333
1334 /***********************************************************************
1335  *           GdiFlush    (GDI32.@)
1336  */
1337 BOOL WINAPI GdiFlush(void)
1338 {
1339     return TRUE;  /* FIXME */
1340 }
1341
1342
1343 /***********************************************************************
1344  *           GdiGetBatchLimit    (GDI32.@)
1345  */
1346 DWORD WINAPI GdiGetBatchLimit(void)
1347 {
1348     return 1;  /* FIXME */
1349 }
1350
1351
1352 /***********************************************************************
1353  *           GdiSetBatchLimit    (GDI32.@)
1354  */
1355 DWORD WINAPI GdiSetBatchLimit( DWORD limit )
1356 {
1357     return 1; /* FIXME */
1358 }
1359
1360
1361 /***********************************************************************
1362  *           GdiSeeGdiDo   (GDI.452)
1363  */
1364 DWORD WINAPI GdiSeeGdiDo16( WORD wReqType, WORD wParam1, WORD wParam2,
1365                           WORD wParam3 )
1366 {
1367     DWORD ret = ~0U;
1368
1369     switch (wReqType)
1370     {
1371     case 0x0001:  /* LocalAlloc */
1372         WARN("LocalAlloc16(%x, %x): ignoring\n", wParam1, wParam3);
1373         ret = 0;
1374         break;
1375     case 0x0002:  /* LocalFree */
1376         WARN("LocalFree16(%x): ignoring\n", wParam1);
1377         ret = 0;
1378         break;
1379     case 0x0003:  /* LocalCompact */
1380         WARN("LocalCompact16(%x): ignoring\n", wParam3);
1381         ret = 65000; /* lie about the amount of free space */
1382         break;
1383     case 0x0103:  /* LocalHeap */
1384         WARN("LocalHeap16(): ignoring\n");
1385         break;
1386     default:
1387         WARN("(wReqType=%04x): Unknown\n", wReqType);
1388         break;
1389     }
1390     return ret;
1391 }
1392
1393 /***********************************************************************
1394  *           GdiSignalProc32     (GDI.610)
1395  */
1396 WORD WINAPI GdiSignalProc( UINT uCode, DWORD dwThreadOrProcessID,
1397                            DWORD dwFlags, HMODULE16 hModule )
1398 {
1399     return 0;
1400 }
1401
1402 /***********************************************************************
1403  *           GdiInit2     (GDI.403)
1404  *
1405  * See "Undocumented Windows"
1406  *
1407  * PARAMS
1408  *   h1 [I] GDI object
1409  *   h2 [I] global data
1410  */
1411 HANDLE16 WINAPI GdiInit216( HANDLE16 h1, HANDLE16 h2 )
1412 {
1413     FIXME("(%04x, %04x), stub.\n", h1, h2);
1414     if (h2 == 0xffff)
1415         return 0xffff; /* undefined return value */
1416     return h1; /* FIXME: should be the memory handle of h1 */
1417 }
1418
1419 /***********************************************************************
1420  *           FinalGdiInit     (GDI.405)
1421  */
1422 void WINAPI FinalGdiInit16( HBRUSH16 hPattern /* [in] fill pattern of desktop */ )
1423 {
1424 }
1425
1426 /***********************************************************************
1427  *           GdiFreeResources   (GDI.609)
1428  */
1429 WORD WINAPI GdiFreeResources16( DWORD reserve )
1430 {
1431     return 90; /* lie about it, it shouldn't matter */
1432 }
1433
1434
1435 /*******************************************************************
1436  *      GetColorAdjustment [GDI32.@]
1437  *
1438  *
1439  */
1440 BOOL WINAPI GetColorAdjustment(HDC hdc, LPCOLORADJUSTMENT lpca)
1441 {
1442         FIXME("GetColorAdjustment, stub\n");
1443         return 0;
1444 }
1445
1446 /*******************************************************************
1447  *      GdiComment [GDI32.@]
1448  *
1449  *
1450  */
1451 BOOL WINAPI GdiComment(HDC hdc, UINT cbSize, const BYTE *lpData)
1452 {
1453     DC *dc = DC_GetDCPtr(hdc);
1454     BOOL ret = FALSE;
1455     if(dc)
1456     {
1457         if (dc->funcs->pGdiComment)
1458             ret = dc->funcs->pGdiComment( dc->physDev, cbSize, lpData );
1459     }
1460     GDI_ReleaseObj( hdc );
1461     return ret;
1462 }
1463
1464 /*******************************************************************
1465  *      SetColorAdjustment [GDI32.@]
1466  *
1467  *
1468  */
1469 BOOL WINAPI SetColorAdjustment(HDC hdc, const COLORADJUSTMENT* lpca)
1470 {
1471         FIXME("SetColorAdjustment, stub\n");
1472         return 0;
1473 }