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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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, { 0, (DWORD)(__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            {'G','u','l','i','m','\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',' ','M','i','n','g','l','i','u','\0'} /* FIXME: Is this correct? */
 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  *           create_stock_font
 535  */
 536 static HFONT create_stock_font( char const *fontName, const LOGFONTW *font, HKEY hkey )
 537 {
 538     LOGFONTW lf;
 539     char  key[256];
 540     char buffer[MAX_PATH];
 541     DWORD type, count;
 542
 543     if (!hkey) return CreateFontIndirectW( font );
 544
 545     lf = *font;
 546     sprintf(key, "%s.Height", fontName);
 547     count = sizeof(buffer);
 548     if(!RegQueryValueExA(hkey, key, 0, &type, buffer, &count))
 549         lf.lfHeight = atoi(buffer);
 550
 551     sprintf(key, "%s.Bold", fontName);
 552     count = sizeof(buffer);
 553     if(!RegQueryValueExA(hkey, key, 0, &type, buffer, &count))
 554         lf.lfWeight = get_bool(buffer) ? FW_BOLD : FW_NORMAL;
 555
 556     sprintf(key, "%s.Italic", fontName);
 557     count = sizeof(buffer);
 558     if(!RegQueryValueExA(hkey, key, 0, &type, buffer, &count))
 559         lf.lfItalic = get_bool(buffer);
 560
 561     sprintf(key, "%s.Underline", fontName);
 562     count = sizeof(buffer);
 563     if(!RegQueryValueExA(hkey, key, 0, &type, buffer, &count))
 564         lf.lfUnderline = get_bool(buffer);
 565
 566     sprintf(key, "%s.StrikeOut", fontName);
 567     count = sizeof(buffer);
 568     if(!RegQueryValueExA(hkey, key, 0, &type, buffer, &count))
 569         lf.lfStrikeOut = get_bool(buffer);
 570     return CreateFontIndirectW( &lf );
 571 }
 572
 573
 574 /***********************************************************************
 575  *           inc_ref_count
 576  *
 577  * Increment the reference count of a GDI object.
 578  */
 579 inline static void inc_ref_count( HGDIOBJ handle )
 580 {
 581     GDIOBJHDR *header;
 582
 583     if ((header = GDI_GetObjPtr( handle, MAGIC_DONTCARE )))
 584     {
 585         header->dwCount++;
 586         GDI_ReleaseObj( handle );
 587     }
 588 }
 589
 590
 591 /***********************************************************************
 592  *           dec_ref_count
 593  *
 594  * Decrement the reference count of a GDI object.
 595  */
 596 inline static void dec_ref_count( HGDIOBJ handle )
 597 {
 598     GDIOBJHDR *header;
 599
 600     if ((header = GDI_GetObjPtr( handle, MAGIC_DONTCARE )))
 601     {
 602         if (header->dwCount) header->dwCount--;
 603         if (header->dwCount != 0x80000000) GDI_ReleaseObj( handle );
 604         else
 605         {
 606             /* handle delayed DeleteObject*/
 607             header->dwCount = 0;
 608             GDI_ReleaseObj( handle );
 609             TRACE( "executing delayed DeleteObject for %p\n", handle );
 610             DeleteObject( handle );
 611         }
 612     }
 613 }
 614
 615
 616 /***********************************************************************
 617  *           GDI_Init
 618  *
 619  * GDI initialization.
 620  */
 621 BOOL GDI_Init(void)
 622 {
 623     HKEY hkey;
 624     LOGFONTW default_gui_font;
 625     const struct DefaultFontInfo* deffonts;
 626     int i;
 627
 628     if (RegOpenKeyA(HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\Tweak.Fonts", &hkey))
 629         hkey = 0;
 630
 631     /* create stock objects */
 632     stock_objects[WHITE_BRUSH]  = CreateBrushIndirect( &WhiteBrush );
 633     stock_objects[LTGRAY_BRUSH] = CreateBrushIndirect( &LtGrayBrush );
 634     stock_objects[GRAY_BRUSH]   = CreateBrushIndirect( &GrayBrush );
 635     stock_objects[DKGRAY_BRUSH] = CreateBrushIndirect( &DkGrayBrush );
 636     stock_objects[BLACK_BRUSH]  = CreateBrushIndirect( &BlackBrush );
 637     stock_objects[NULL_BRUSH]   = CreateBrushIndirect( &NullBrush );
 638
 639     stock_objects[WHITE_PEN]    = CreatePenIndirect( &WhitePen );
 640     stock_objects[BLACK_PEN]    = CreatePenIndirect( &BlackPen );
 641     stock_objects[NULL_PEN]     = CreatePenIndirect( &NullPen );
 642
 643     stock_objects[DEFAULT_PALETTE] = PALETTE_Init();
 644     stock_objects[DEFAULT_BITMAP]  = CreateBitmap( 1, 1, 1, 1, NULL );
 645
 646     /* language-independent stock fonts */
 647     stock_objects[OEM_FIXED_FONT]      = create_stock_font( "OEMFixed", &OEMFixedFont, hkey );
 648     stock_objects[ANSI_FIXED_FONT]     = create_stock_font( "AnsiFixed", &AnsiFixedFont, hkey );
 649     stock_objects[ANSI_VAR_FONT]       = create_stock_font( "AnsiVar", &AnsiVarFont, hkey );
 650
 651     /* language-dependent stock fonts */
 652     deffonts = get_default_fonts(get_default_charset());
 653     stock_objects[SYSTEM_FONT]         = create_stock_font( "System", &deffonts->SystemFont, hkey );
 654     stock_objects[DEVICE_DEFAULT_FONT] = create_stock_font( "DeviceDefault", &deffonts->DeviceDefaultFont, hkey );
 655     stock_objects[SYSTEM_FIXED_FONT]   = create_stock_font( "SystemFixed", &deffonts->SystemFixedFont, hkey );
 656
 657     /* For the default gui font, we use the lfHeight member in deffonts as a place-holder
 658        for the point size so we must convert this into a true height */
 659     memcpy(&default_gui_font, &deffonts->DefaultGuiFont, sizeof(default_gui_font));
 660     default_gui_font.lfHeight = -MulDiv(default_gui_font.lfHeight, get_dpi(), 72);
 661     stock_objects[DEFAULT_GUI_FONT]    = create_stock_font( "DefaultGui", &default_gui_font, hkey );
 662
 663     stock_objects[DC_BRUSH]     = CreateBrushIndirect( &DCBrush );
 664     stock_objects[DC_PEN]       = CreatePenIndirect( &DCPen );
 665
 666     /* clear the NOSYSTEM bit on all stock objects*/
 667     for (i = 0; i < NB_STOCK_OBJECTS; i++)
 668     {
 669         if (!stock_objects[i])
 670         {
 671             if (i == 9) continue;  /* there's no stock object 9 */
 672             ERR( "could not create stock object %d\n", i );
 673             return FALSE;
 674         }
 675         __wine_make_gdi_object_system( stock_objects[i], TRUE );
 676     }
 677
 678     if (hkey) RegCloseKey( hkey );
 679
 680     WineEngInit();
 681
 682     return TRUE;
 683 }
 684
 685 #define FIRST_LARGE_HANDLE 16
 686 #define MAX_LARGE_HANDLES ((GDI_HEAP_SIZE >> 2) - FIRST_LARGE_HANDLE)
 687 static GDIOBJHDR *large_handles[MAX_LARGE_HANDLES];
 688 static int next_large_handle;
 689
 690 /***********************************************************************
 691  *           alloc_large_heap
 692  *
 693  * Allocate a GDI handle from the large heap. Helper for GDI_AllocObject
 694  */
 695 inline static GDIOBJHDR *alloc_large_heap( WORD size, HGDIOBJ *handle )
 696 {
 697     int i;
 698     GDIOBJHDR *obj;
 699
 700     for (i = next_large_handle + 1; i < MAX_LARGE_HANDLES; i++)
 701         if (!large_handles[i]) goto found;
 702     for (i = 0; i <= next_large_handle; i++)
 703         if (!large_handles[i]) goto found;
 704     *handle = 0;
 705     return NULL;
 706
 707  found:
 708     if ((obj = HeapAlloc( GetProcessHeap(), 0, size )))
 709     {
 710         large_handles[i] = obj;
 711         *handle = (HGDIOBJ)(ULONG_PTR)((i + FIRST_LARGE_HANDLE) << 2);
 712         next_large_handle = i;
 713     }
 714     return obj;
 715 }
 716
 717
 718 /***********************************************************************
 719  *           GDI_AllocObject
 720  */
 721 void *GDI_AllocObject( WORD size, WORD magic, HGDIOBJ *handle, const struct gdi_obj_funcs *funcs )
 722 {
 723     GDIOBJHDR *obj = NULL;
 724
 725     _EnterSysLevel( &GDI_level );
 726     if (!(obj = alloc_large_heap( size, handle ))) goto error;
 727
 728     obj->wMagic  = magic|OBJECT_NOSYSTEM;
 729     obj->dwCount = 0;
 730     obj->funcs   = funcs;
 731     obj->hdcs    = NULL;
 732
 733     TRACE("(%p): enter %ld\n", *handle, GDI_level.crst.RecursionCount);
 734     return obj;
 735
 736 error:
 737     _LeaveSysLevel( &GDI_level );
 738     *handle = 0;
 739     return NULL;
 740 }
 741
 742
 743 /***********************************************************************
 744  *           GDI_ReallocObject
 745  *
 746  * The object ptr must have been obtained with GDI_GetObjPtr.
 747  * The new pointer must be released with GDI_ReleaseObj.
 748  */
 749 void *GDI_ReallocObject( WORD size, HGDIOBJ handle, void *object )
 750 {
 751     void *new_ptr = NULL;
 752     int i;
 753
 754     i = ((ULONG_PTR)handle >> 2) - FIRST_LARGE_HANDLE;
 755     if (i >= 0 && i < MAX_LARGE_HANDLES && large_handles[i])
 756     {
 757         new_ptr = HeapReAlloc( GetProcessHeap(), 0, large_handles[i], size );
 758         if (new_ptr) large_handles[i] = new_ptr;
 759     }
 760     else ERR( "Invalid handle %p\n", handle );
 761     if (!new_ptr)
 762     {
 763         TRACE("(%p): leave %ld\n", handle, GDI_level.crst.RecursionCount);
 764         _LeaveSysLevel( &GDI_level );
 765     }
 766     return new_ptr;
 767 }
 768
 769
 770 /***********************************************************************
 771  *           GDI_FreeObject
 772  */
 773 BOOL GDI_FreeObject( HGDIOBJ handle, void *ptr )
 774 {
 775     GDIOBJHDR *object = ptr;
 776     int i;
 777
 778     object->wMagic = 0;  /* Mark it as invalid */
 779     object->funcs  = NULL;
 780     i = ((ULONG_PTR)handle >> 2) - FIRST_LARGE_HANDLE;
 781     if (i >= 0 && i < MAX_LARGE_HANDLES && large_handles[i])
 782     {
 783         HeapFree( GetProcessHeap(), 0, large_handles[i] );
 784         large_handles[i] = NULL;
 785     }
 786     else ERR( "Invalid handle %p\n", handle );
 787     TRACE("(%p): leave %ld\n", handle, GDI_level.crst.RecursionCount);
 788     _LeaveSysLevel( &GDI_level );
 789     return TRUE;
 790 }
 791
 792
 793 /***********************************************************************
 794  *           GDI_GetObjPtr
 795  *
 796  * Return a pointer to the GDI object associated to the handle.
 797  * Return NULL if the object has the wrong magic number.
 798  * The object must be released with GDI_ReleaseObj.
 799  */
 800 void *GDI_GetObjPtr( HGDIOBJ handle, WORD magic )
 801 {
 802     GDIOBJHDR *ptr = NULL;
 803     int i;
 804
 805     _EnterSysLevel( &GDI_level );
 806
 807     i = ((UINT_PTR)handle >> 2) - FIRST_LARGE_HANDLE;
 808     if (i >= 0 && i < MAX_LARGE_HANDLES)
 809     {
 810         ptr = large_handles[i];
 811         if (ptr && (magic != MAGIC_DONTCARE) && (GDIMAGIC(ptr->wMagic) != magic)) ptr = NULL;
 812     }
 813
 814     if (!ptr)
 815     {
 816         _LeaveSysLevel( &GDI_level );
 817         WARN( "Invalid handle %p\n", handle );
 818     }
 819     else TRACE("(%p): enter %ld\n", handle, GDI_level.crst.RecursionCount);
 820
 821     return ptr;
 822 }
 823
 824
 825 /***********************************************************************
 826  *           GDI_ReleaseObj
 827  *
 828  */
 829 void GDI_ReleaseObj( HGDIOBJ handle )
 830 {
 831     TRACE("(%p): leave %ld\n", handle, GDI_level.crst.RecursionCount);
 832     _LeaveSysLevel( &GDI_level );
 833 }
 834
 835
 836 /***********************************************************************
 837  *           GDI_CheckNotLock
 838  */
 839 void GDI_CheckNotLock(void)
 840 {
 841     _CheckNotSysLevel( &GDI_level );
 842 }
 843
 844
 845 /***********************************************************************
 846  *           DeleteObject    (GDI32.@)
 847  *
 848  * Delete a Gdi object.
 849  *
 850  * PARAMS
 851  *  obj [I] Gdi object to delete
 852  *
 853  * RETURNS
 854  *  Success: TRUE. If obj was not returned from GetStockObject(), any resources
 855  *           it consumed are released.
 856  *  Failure: FALSE, if obj is not a valid Gdi object, or is currently selected
 857  *           into a DC.
 858  */
 859 BOOL WINAPI DeleteObject( HGDIOBJ obj )
 860 {
 861       /* Check if object is valid */
 862
 863     GDIOBJHDR * header;
 864     if (HIWORD(obj)) return FALSE;
 865
 866     if (!(header = GDI_GetObjPtr( obj, MAGIC_DONTCARE ))) return FALSE;
 867
 868     if (!(header->wMagic & OBJECT_NOSYSTEM)
 869     &&   (header->wMagic >= FIRST_MAGIC) && (header->wMagic <= LAST_MAGIC))
 870     {
 871         TRACE("Preserving system object %p\n", obj);
 872         GDI_ReleaseObj( obj );
 873         return TRUE;
 874     }
 875
 876     while (header->hdcs)
 877     {
 878         DC *dc = DC_GetDCPtr(header->hdcs->hdc);
 879         struct hdc_list *tmp;
 880
 881         TRACE("hdc %p has interest in %p\n", header->hdcs->hdc, obj);
 882         if(dc)
 883         {
 884             if(dc->funcs->pDeleteObject)
 885                 dc->funcs->pDeleteObject( dc->physDev, obj );
 886             GDI_ReleaseObj( header->hdcs->hdc );
 887         }
 888         tmp = header->hdcs;
 889         header->hdcs = header->hdcs->next;
 890         HeapFree(GetProcessHeap(), 0, tmp);
 891     }
 892
 893     if (header->dwCount)
 894     {
 895         TRACE("delayed for %p because object in use, count %ld\n", obj, header->dwCount );
 896         header->dwCount |= 0x80000000; /* mark for delete */
 897         GDI_ReleaseObj( obj );
 898         return TRUE;
 899     }
 900
 901     TRACE("%p\n", obj );
 902
 903       /* Delete object */
 904
 905     if (header->funcs && header->funcs->pDeleteObject)
 906         return header->funcs->pDeleteObject( obj, header );
 907
 908     GDI_ReleaseObj( obj );
 909     return FALSE;
 910 }
 911
 912 /***********************************************************************
 913  *           GDI_hdc_using_object
 914  *
 915  * Call this if the dc requires DeleteObject notification
 916  */
 917 BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc)
 918 {
 919     GDIOBJHDR * header;
 920     struct hdc_list **pphdc;
 921
 922     TRACE("obj %p hdc %p\n", obj, hdc);
 923
 924     if (!(header = GDI_GetObjPtr( obj, MAGIC_DONTCARE ))) return FALSE;
 925
 926     if (!(header->wMagic & OBJECT_NOSYSTEM) &&
 927          (header->wMagic >= FIRST_MAGIC) && (header->wMagic <= LAST_MAGIC))
 928     {
 929         GDI_ReleaseObj(obj);
 930         return FALSE;
 931     }
 932
 933     for(pphdc = &header->hdcs; *pphdc; pphdc = &(*pphdc)->next)
 934         if((*pphdc)->hdc == hdc)
 935             break;
 936
 937     if(!*pphdc) {
 938         *pphdc = HeapAlloc(GetProcessHeap(), 0, sizeof(**pphdc));
 939         (*pphdc)->hdc = hdc;
 940         (*pphdc)->next = NULL;
 941     }
 942
 943     GDI_ReleaseObj(obj);
 944     return TRUE;
 945 }
 946
 947 /***********************************************************************
 948  *           GDI_hdc_not_using_object
 949  *
 950  */
 951 BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc)
 952 {
 953     GDIOBJHDR * header;
 954     struct hdc_list *phdc, **prev;
 955
 956     TRACE("obj %p hdc %p\n", obj, hdc);
 957
 958     if (!(header = GDI_GetObjPtr( obj, MAGIC_DONTCARE ))) return FALSE;
 959
 960     if (!(header->wMagic & OBJECT_NOSYSTEM) &&
 961          (header->wMagic >= FIRST_MAGIC) && (header->wMagic <= LAST_MAGIC))
 962     {
 963         GDI_ReleaseObj(obj);
 964         return FALSE;
 965     }
 966
 967     phdc = header->hdcs;
 968     prev = &header->hdcs;
 969
 970     while(phdc) {
 971         if(phdc->hdc == hdc) {
 972             *prev = phdc->next;
 973             HeapFree(GetProcessHeap(), 0, phdc);
 974             phdc = *prev;
 975         } else {
 976             prev = &phdc->next;
 977             phdc = phdc->next;
 978         }
 979     }
 980
 981     GDI_ReleaseObj(obj);
 982     return TRUE;
 983 }
 984
 985 /***********************************************************************
 986  *           GetStockObject    (GDI32.@)
 987  */
 988 HGDIOBJ WINAPI GetStockObject( INT obj )
 989 {
 990     HGDIOBJ ret;
 991     if ((obj < 0) || (obj >= NB_STOCK_OBJECTS)) return 0;
 992     ret = stock_objects[obj];
 993     TRACE("returning %p\n", ret );
 994     return ret;
 995 }
 996
 997
 998 /***********************************************************************
 999  *           GetObject    (GDI.82)
1000  */
1001 INT16 WINAPI GetObject16( HGDIOBJ16 handle16, INT16 count, LPVOID buffer )
1002 {
1003     GDIOBJHDR * ptr;
1004     HGDIOBJ handle = HGDIOBJ_32( handle16 );
1005     INT16 result = 0;
1006
1007     TRACE("%p %d %p\n", handle, count, buffer );
1008     if (!count) return 0;
1009
1010     if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE ))) return 0;
1011
1012     if (ptr->funcs && ptr->funcs->pGetObject16)
1013         result = ptr->funcs->pGetObject16( handle, ptr, count, buffer );
1014     else
1015         SetLastError( ERROR_INVALID_HANDLE );
1016
1017     GDI_ReleaseObj( handle );
1018     return result;
1019 }
1020
1021
1022 /***********************************************************************
1023  *           GetObjectA    (GDI32.@)
1024  */
1025 INT WINAPI GetObjectA( HGDIOBJ handle, INT count, LPVOID buffer )
1026 {
1027     GDIOBJHDR * ptr;
1028     INT result = 0;
1029     TRACE("%p %d %p\n", handle, count, buffer );
1030
1031     if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE ))) return 0;
1032
1033     if (ptr->funcs && ptr->funcs->pGetObjectA)
1034         result = ptr->funcs->pGetObjectA( handle, ptr, count, buffer );
1035     else
1036         SetLastError( ERROR_INVALID_HANDLE );
1037
1038     GDI_ReleaseObj( handle );
1039     return result;
1040 }
1041
1042 /***********************************************************************
1043  *           GetObjectW    (GDI32.@)
1044  */
1045 INT WINAPI GetObjectW( HGDIOBJ handle, INT count, LPVOID buffer )
1046 {
1047     GDIOBJHDR * ptr;
1048     INT result = 0;
1049     TRACE("%p %d %p\n", handle, count, buffer );
1050
1051     if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE ))) return 0;
1052
1053     if (ptr->funcs && ptr->funcs->pGetObjectW)
1054         result = ptr->funcs->pGetObjectW( handle, ptr, count, buffer );
1055     else
1056         SetLastError( ERROR_INVALID_HANDLE );
1057
1058     GDI_ReleaseObj( handle );
1059     return result;
1060 }
1061
1062 /***********************************************************************
1063  *           GetObjectType    (GDI32.@)
1064  */
1065 DWORD WINAPI GetObjectType( HGDIOBJ handle )
1066 {
1067     GDIOBJHDR * ptr;
1068     INT result = 0;
1069     TRACE("%p\n", handle );
1070
1071     if (!(ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE )))
1072     {
1073         SetLastError( ERROR_INVALID_HANDLE );
1074         return 0;
1075     }
1076
1077     switch(GDIMAGIC(ptr->wMagic))
1078     {
1079       case PEN_MAGIC:
1080           result = OBJ_PEN;
1081           break;
1082       case BRUSH_MAGIC:
1083           result = OBJ_BRUSH;
1084           break;
1085       case BITMAP_MAGIC:
1086           result = OBJ_BITMAP;
1087           break;
1088       case FONT_MAGIC:
1089           result = OBJ_FONT;
1090           break;
1091       case PALETTE_MAGIC:
1092           result = OBJ_PAL;
1093           break;
1094       case REGION_MAGIC:
1095           result = OBJ_REGION;
1096           break;
1097       case DC_MAGIC:
1098           result = OBJ_DC;
1099           break;
1100       case META_DC_MAGIC:
1101           result = OBJ_METADC;
1102           break;
1103       case METAFILE_MAGIC:
1104           result = OBJ_METAFILE;
1105           break;
1106       case METAFILE_DC_MAGIC:
1107           result = OBJ_METADC;
1108           break;
1109       case ENHMETAFILE_MAGIC:
1110           result = OBJ_ENHMETAFILE;
1111           break;
1112       case ENHMETAFILE_DC_MAGIC:
1113           result = OBJ_ENHMETADC;
1114           break;
1115       case MEMORY_DC_MAGIC:
1116           result = OBJ_MEMDC;
1117           break;
1118       default:
1119           FIXME("Magic %04x not implemented\n", GDIMAGIC(ptr->wMagic) );
1120           break;
1121     }
1122     GDI_ReleaseObj( handle );
1123     return result;
1124 }
1125
1126 /***********************************************************************
1127  *           GetCurrentObject           (GDI32.@)
1128  *
1129  * Get the currently selected object of a given type in a device context.
1130  *
1131  * PARAMS
1132  *  hdc  [I] Device context to get the current object from
1133  *  type [I] Type of current object to get (OBJ_* defines from "wingdi.h")
1134  *
1135  * RETURNS
1136  *  Success: The current object of the given type selected in hdc.
1137  *  Failure: A NULL handle.
1138  *
1139  * NOTES
1140  * - only the following object types are supported:
1141  *| OBJ_PEN
1142  *| OBJ_BRUSH
1143  *| OBJ_PAL
1144  *| OBJ_FONT
1145  *| OBJ_BITMAP
1146  */
1147 HGDIOBJ WINAPI GetCurrentObject(HDC hdc,UINT type)
1148 {
1149     HGDIOBJ ret = 0;
1150     DC * dc = DC_GetDCPtr( hdc );
1151
1152     if (dc)
1153     {
1154     switch (type) {
1155         case OBJ_PEN:    ret = dc->hPen; break;
1156         case OBJ_BRUSH:  ret = dc->hBrush; break;
1157         case OBJ_PAL:    ret = dc->hPalette; break;
1158         case OBJ_FONT:   ret = dc->hFont; break;
1159         case OBJ_BITMAP: ret = dc->hBitmap; break;
1160     default:
1161         /* the SDK only mentions those above */
1162         FIXME("(%p,%d): unknown type.\n",hdc,type);
1163             break;
1164         }
1165         GDI_ReleaseObj( hdc );
1166     }
1167     return ret;
1168 }
1169
1170
1171 /***********************************************************************
1172  *           SelectObject    (GDI32.@)
1173  *
1174  * Select a Gdi object into a device context.
1175  *
1176  * PARAMS
1177  *  hdc  [I] Device context to associate the object with
1178  *  hObj [I] Gdi object to associate with hdc
1179  *
1180  * RETURNS
1181  *  Success: A non-NULL handle representing the previously selected object of
1182  *           the same type as hObj.
1183  *  Failure: A NULL object. If hdc is invalid, GetLastError() returns ERROR_INVALID_HANDLE.
1184  *           if hObj is not a valid object handle, no last error is set. In either
1185  *           case, hdc is unaffected by the call.
1186  */
1187 HGDIOBJ WINAPI SelectObject( HDC hdc, HGDIOBJ hObj )
1188 {
1189     HGDIOBJ ret = 0;
1190     GDIOBJHDR *header;
1191     DC *dc;
1192
1193     TRACE( "(%p,%p)\n", hdc, hObj );
1194
1195     if (!(dc = DC_GetDCPtr( hdc )))
1196         SetLastError( ERROR_INVALID_HANDLE );
1197     else
1198     {
1199         GDI_ReleaseObj( hdc );
1200
1201         header = GDI_GetObjPtr( hObj, MAGIC_DONTCARE );
1202         if (header)
1203         {
1204             if (header->funcs && header->funcs->pSelectObject)
1205             {
1206                 ret = header->funcs->pSelectObject( hObj, header, hdc );
1207                 if (ret && ret != hObj && (INT)ret > COMPLEXREGION)
1208                 {
1209                     inc_ref_count( hObj );
1210                     dec_ref_count( ret );
1211                 }
1212             }
1213             GDI_ReleaseObj( hObj );
1214         }
1215     }
1216     return ret;
1217 }
1218
1219
1220 /***********************************************************************
1221  *           UnrealizeObject    (GDI32.@)
1222  */
1223 BOOL WINAPI UnrealizeObject( HGDIOBJ obj )
1224 {
1225     BOOL result = TRUE;
1226   /* Check if object is valid */
1227
1228     GDIOBJHDR * header = GDI_GetObjPtr( obj, MAGIC_DONTCARE );
1229     if (!header) return FALSE;
1230
1231     TRACE("%p\n", obj );
1232
1233       /* Unrealize object */
1234
1235     if (header->funcs && header->funcs->pUnrealizeObject)
1236         result = header->funcs->pUnrealizeObject( obj, header );
1237
1238     GDI_ReleaseObj( obj );
1239     return result;
1240 }
1241
1242
1243 /* Solid colors to enumerate */
1244 static const COLORREF solid_colors[] =
1245 { RGB(0x00,0x00,0x00), RGB(0xff,0xff,0xff),
1246 RGB(0xff,0x00,0x00), RGB(0x00,0xff,0x00),
1247 RGB(0x00,0x00,0xff), RGB(0xff,0xff,0x00),
1248 RGB(0xff,0x00,0xff), RGB(0x00,0xff,0xff),
1249 RGB(0x80,0x00,0x00), RGB(0x00,0x80,0x00),
1250 RGB(0x80,0x80,0x00), RGB(0x00,0x00,0x80),
1251 RGB(0x80,0x00,0x80), RGB(0x00,0x80,0x80),
1252 RGB(0x80,0x80,0x80), RGB(0xc0,0xc0,0xc0)
1253 };
1254
1255
1256 /***********************************************************************
1257  *           EnumObjects    (GDI32.@)
1258  */
1259 INT WINAPI EnumObjects( HDC hdc, INT nObjType,
1260                             GOBJENUMPROC lpEnumFunc, LPARAM lParam )
1261 {
1262     UINT i;
1263     INT retval = 0;
1264     LOGPEN pen;
1265     LOGBRUSH brush;
1266
1267     TRACE("%p %d %p %08lx\n", hdc, nObjType, lpEnumFunc, lParam );
1268     switch(nObjType)
1269     {
1270     case OBJ_PEN:
1271         /* Enumerate solid pens */
1272         for (i = 0; i < sizeof(solid_colors)/sizeof(solid_colors[0]); i++)
1273         {
1274             pen.lopnStyle   = PS_SOLID;
1275             pen.lopnWidth.x = 1;
1276             pen.lopnWidth.y = 0;
1277             pen.lopnColor   = solid_colors[i];
1278             retval = lpEnumFunc( &pen, lParam );
1279             TRACE("solid pen %08lx, ret=%d\n",
1280                          solid_colors[i], retval);
1281             if (!retval) break;
1282         }
1283         break;
1284
1285     case OBJ_BRUSH:
1286         /* Enumerate solid brushes */
1287         for (i = 0; i < sizeof(solid_colors)/sizeof(solid_colors[0]); i++)
1288         {
1289             brush.lbStyle = BS_SOLID;
1290             brush.lbColor = solid_colors[i];
1291             brush.lbHatch = 0;
1292             retval = lpEnumFunc( &brush, lParam );
1293             TRACE("solid brush %08lx, ret=%d\n",
1294                          solid_colors[i], retval);
1295             if (!retval) break;
1296         }
1297
1298         /* Now enumerate hatched brushes */
1299         if (retval) for (i = HS_HORIZONTAL; i <= HS_DIAGCROSS; i++)
1300         {
1301             brush.lbStyle = BS_HATCHED;
1302             brush.lbColor = RGB(0,0,0);
1303             brush.lbHatch = i;
1304             retval = lpEnumFunc( &brush, lParam );
1305             TRACE("hatched brush %d, ret=%d\n",
1306                          i, retval);
1307             if (!retval) break;
1308         }
1309         break;
1310
1311     default:
1312         /* FIXME: implement Win32 types */
1313         WARN("(%d): Invalid type\n", nObjType );
1314         break;
1315     }
1316     return retval;
1317 }
1318
1319
1320 /***********************************************************************
1321  *           IsGDIObject    (GDI.462)
1322  *
1323  * returns type of object if valid (W95 system programming secrets p. 264-5)
1324  */
1325 BOOL16 WINAPI IsGDIObject16( HGDIOBJ16 handle16 )
1326 {
1327     UINT16 magic = 0;
1328     HGDIOBJ handle = HGDIOBJ_32( handle16 );
1329
1330     GDIOBJHDR *object = GDI_GetObjPtr( handle, MAGIC_DONTCARE );
1331     if (object)
1332     {
1333         magic = GDIMAGIC(object->wMagic) - PEN_MAGIC + 1;
1334         GDI_ReleaseObj( handle );
1335     }
1336     return magic;
1337 }
1338
1339
1340 /***********************************************************************
1341  *           SetObjectOwner    (GDI32.@)
1342  */
1343 void WINAPI SetObjectOwner( HGDIOBJ handle, HANDLE owner )
1344 {
1345     /* Nothing to do */
1346 }
1347
1348
1349 /***********************************************************************
1350  *           MakeObjectPrivate    (GDI.463)
1351  *
1352  * What does that mean ?
1353  * Some little docu can be found in "Undocumented Windows",
1354  * but this is basically useless.
1355  * At least we know that this flags the GDI object's wMagic
1356  * with 0x2000 (OBJECT_PRIVATE), so we just do it.
1357  * But Wine doesn't react on that yet.
1358  */
1359 void WINAPI MakeObjectPrivate16( HGDIOBJ16 handle16, BOOL16 private )
1360 {
1361     HGDIOBJ handle = HGDIOBJ_32( handle16 );
1362     GDIOBJHDR *ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE );
1363     if (!ptr)
1364     {
1365         ERR("invalid GDI object %p !\n", handle);
1366         return;
1367     }
1368     ptr->wMagic |= OBJECT_PRIVATE;
1369     GDI_ReleaseObj( handle );
1370 }
1371
1372
1373 /***********************************************************************
1374  *           GdiFlush    (GDI32.@)
1375  */
1376 BOOL WINAPI GdiFlush(void)
1377 {
1378     return TRUE;  /* FIXME */
1379 }
1380
1381
1382 /***********************************************************************
1383  *           GdiGetBatchLimit    (GDI32.@)
1384  */
1385 DWORD WINAPI GdiGetBatchLimit(void)
1386 {
1387     return 1;  /* FIXME */
1388 }
1389
1390
1391 /***********************************************************************
1392  *           GdiSetBatchLimit    (GDI32.@)
1393  */
1394 DWORD WINAPI GdiSetBatchLimit( DWORD limit )
1395 {
1396     return 1; /* FIXME */
1397 }
1398
1399
1400 /***********************************************************************
1401  *           GdiSeeGdiDo   (GDI.452)
1402  */
1403 DWORD WINAPI GdiSeeGdiDo16( WORD wReqType, WORD wParam1, WORD wParam2,
1404                           WORD wParam3 )
1405 {
1406     DWORD ret = ~0UL;
1407
1408     switch (wReqType)
1409     {
1410     case 0x0001:  /* LocalAlloc */
1411         WARN("LocalAlloc16(%x, %x): ignoring\n", wParam1, wParam3);
1412         ret = 0;
1413         break;
1414     case 0x0002:  /* LocalFree */
1415         WARN("LocalFree16(%x): ignoring\n", wParam1);
1416         ret = 0;
1417         break;
1418     case 0x0003:  /* LocalCompact */
1419         WARN("LocalCompact16(%x): ignoring\n", wParam3);
1420         ret = 65000; /* lie about the amount of free space */
1421         break;
1422     case 0x0103:  /* LocalHeap */
1423         WARN("LocalHeap16(): ignoring\n");
1424         break;
1425     default:
1426         WARN("(wReqType=%04x): Unknown\n", wReqType);
1427         break;
1428     }
1429     return ret;
1430 }
1431
1432 /***********************************************************************
1433  *           GdiSignalProc32     (GDI.610)
1434  */
1435 WORD WINAPI GdiSignalProc( UINT uCode, DWORD dwThreadOrProcessID,
1436                            DWORD dwFlags, HMODULE16 hModule )
1437 {
1438     return 0;
1439 }
1440
1441 /***********************************************************************
1442  *           GdiInit2     (GDI.403)
1443  *
1444  * See "Undocumented Windows"
1445  *
1446  * PARAMS
1447  *   h1 [I] GDI object
1448  *   h2 [I] global data
1449  */
1450 HANDLE16 WINAPI GdiInit216( HANDLE16 h1, HANDLE16 h2 )
1451 {
1452     FIXME("(%04x, %04x), stub.\n", h1, h2);
1453     if (h2 == 0xffff)
1454         return 0xffff; /* undefined return value */
1455     return h1; /* FIXME: should be the memory handle of h1 */
1456 }
1457
1458 /***********************************************************************
1459  *           FinalGdiInit     (GDI.405)
1460  */
1461 void WINAPI FinalGdiInit16( HBRUSH16 hPattern /* [in] fill pattern of desktop */ )
1462 {
1463 }
1464
1465 /***********************************************************************
1466  *           GdiFreeResources   (GDI.609)
1467  */
1468 WORD WINAPI GdiFreeResources16( DWORD reserve )
1469 {
1470     return 90; /* lie about it, it shouldn't matter */
1471 }
1472
1473
1474 /*******************************************************************
1475  *      GetColorAdjustment [GDI32.@]
1476  *
1477  *
1478  */
1479 BOOL WINAPI GetColorAdjustment(HDC hdc, LPCOLORADJUSTMENT lpca)
1480 {
1481         FIXME("GetColorAdjustment, stub\n");
1482         return 0;
1483 }
1484
1485 /*******************************************************************
1486  *      GdiComment [GDI32.@]
1487  *
1488  *
1489  */
1490 BOOL WINAPI GdiComment(HDC hdc, UINT cbSize, const BYTE *lpData)
1491 {
1492     DC *dc = DC_GetDCPtr(hdc);
1493     BOOL ret = FALSE;
1494     if(dc)
1495     {
1496         if (dc->funcs->pGdiComment)
1497             ret = dc->funcs->pGdiComment( dc->physDev, cbSize, lpData );
1498     }
1499     GDI_ReleaseObj( hdc );
1500     return ret;
1501 }
1502
1503 /*******************************************************************
1504  *      SetColorAdjustment [GDI32.@]
1505  *
1506  *
1507  */
1508 BOOL WINAPI SetColorAdjustment(HDC hdc, const COLORADJUSTMENT* lpca)
1509 {
1510         FIXME("SetColorAdjustment, stub\n");
1511         return 0;
1512 }