dlls/gdi32/gdiobj.c

   1 /*
   2  * GDI functions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <assert.h>
  24 #include <stdlib.h>
  25 #include <stdarg.h>
  26 #include <stdio.h>
  27
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "wingdi.h"
  31 #include "winreg.h"
  32 #include "winnls.h"
  33 #include "winerror.h"
  34 #include "winternl.h"
  35
  36 #include "gdi_private.h"
  37 #include "wine/debug.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(gdi);
  40
  41 #define FIRST_GDI_HANDLE 32
  42 #define MAX_GDI_HANDLES  16384
  43
  44 struct hdc_list
  45 {
  46     HDC hdc;
  47     struct hdc_list *next;
  48 };
  49
  50 struct gdi_handle_entry
  51 {
  52     void                       *obj;         /* pointer to the object-specific data */
  53     const struct gdi_obj_funcs *funcs;       /* type-specific functions */
  54     struct hdc_list            *hdcs;        /* list of HDCs interested in this object */
  55     WORD                        generation;  /* generation count for reusing handle values */
  56     WORD                        type;        /* object type (one of the OBJ_* constants) */
  57     WORD                        selcount;    /* number of times the object is selected in a DC */
  58     WORD                        system : 1;  /* system object flag */
  59     WORD                        deleted : 1; /* whether DeleteObject has been called on this object */
  60 };
  61
  62 static struct gdi_handle_entry gdi_handles[MAX_GDI_HANDLES];
  63 static struct gdi_handle_entry *next_free;
  64 static struct gdi_handle_entry *next_unused = gdi_handles;
  65 static LONG debug_count;
  66 HMODULE gdi32_module = 0;
  67
  68 static inline HGDIOBJ entry_to_handle( struct gdi_handle_entry *entry )
  69 {
  70     unsigned int idx = entry - gdi_handles + FIRST_GDI_HANDLE;
  71     return LongToHandle( idx | (entry->generation << 16) );
  72 }
  73
  74 static inline struct gdi_handle_entry *handle_entry( HGDIOBJ handle )
  75 {
  76     unsigned int idx = LOWORD(handle) - FIRST_GDI_HANDLE;
  77
  78     if (idx < MAX_GDI_HANDLES && gdi_handles[idx].type)
  79     {
  80         if (!HIWORD( handle ) || HIWORD( handle ) == gdi_handles[idx].generation)
  81             return &gdi_handles[idx];
  82     }
  83     if (handle) WARN( "invalid handle %p\n", handle );
  84     return NULL;
  85 }
  86
  87 /***********************************************************************
  88  *          GDI stock objects
  89  */
  90
  91 static const LOGBRUSH WhiteBrush = { BS_SOLID, RGB(255,255,255), 0 };
  92 static const LOGBRUSH BlackBrush = { BS_SOLID, RGB(0,0,0), 0 };
  93 static const LOGBRUSH NullBrush  = { BS_NULL, 0, 0 };
  94
  95 static const LOGBRUSH LtGrayBrush = { BS_SOLID, RGB(192,192,192), 0 };
  96 static const LOGBRUSH GrayBrush   = { BS_SOLID, RGB(128,128,128), 0 };
  97 static const LOGBRUSH DkGrayBrush = { BS_SOLID, RGB(64,64,64), 0 };
  98
  99 static const LOGPEN WhitePen = { PS_SOLID, { 0, 0 }, RGB(255,255,255) };
 100 static const LOGPEN BlackPen = { PS_SOLID, { 0, 0 }, RGB(0,0,0) };
 101 static const LOGPEN NullPen  = { PS_NULL,  { 0, 0 }, 0 };
 102
 103 static const LOGBRUSH DCBrush = { BS_SOLID, RGB(255,255,255), 0 };
 104 static const LOGPEN DCPen     = { PS_SOLID, { 0, 0 }, RGB(0,0,0) };
 105
 106 /* reserve one extra entry for the stock default bitmap */
 107 /* this is what Windows does too */
 108 #define NB_STOCK_OBJECTS (STOCK_LAST+2)
 109
 110 static HGDIOBJ stock_objects[NB_STOCK_OBJECTS];
 111
 112 static CRITICAL_SECTION gdi_section;
 113 static CRITICAL_SECTION_DEBUG critsect_debug =
 114 {
 115     0, 0, &gdi_section,
 116     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
 117       0, 0, { (DWORD_PTR)(__FILE__ ": gdi_section") }
 118 };
 119 static CRITICAL_SECTION gdi_section = { &critsect_debug, -1, 0, 0, 0, 0 };
 120
 121
 122 /****************************************************************************
 123  *
 124  *      language-independent stock fonts
 125  *
 126  */
 127
 128 static const LOGFONTW OEMFixedFont =
 129 { 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, OEM_CHARSET,
 130   0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, {'\0'} };
 131
 132 static const LOGFONTW AnsiFixedFont =
 133 { 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 134   0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 135   {'C','o','u','r','i','e','r','\0'} };
 136
 137 static const LOGFONTW AnsiVarFont =
 138 { 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 139   0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 140   {'M','S',' ','S','a','n','s',' ','S','e','r','i','f','\0'} };
 141
 142 /******************************************************************************
 143  *
 144  *      language-dependent stock fonts
 145  *
 146  *      'ANSI' charset and 'DEFAULT' charset is not same.
 147  *      The chars in CP_ACP should be drawn with 'DEFAULT' charset.
 148  *      'ANSI' charset seems to be identical with ISO-8859-1.
 149  *      'DEFAULT' charset is a language-dependent charset.
 150  *
 151  *      'System' font seems to be an alias for language-dependent font.
 152  */
 153
 154 /*
 155  * language-dependent stock fonts for all known charsets
 156  * please see TranslateCharsetInfo (dlls/gdi/font.c) and
 157  * CharsetBindingInfo (dlls/x11drv/xfont.c),
 158  * and modify entries for your language if needed.
 159  */
 160 struct DefaultFontInfo
 161 {
 162         UINT            charset;
 163         LOGFONTW        SystemFont;
 164         LOGFONTW        DeviceDefaultFont;
 165         LOGFONTW        SystemFixedFont;
 166         LOGFONTW        DefaultGuiFont;
 167 };
 168
 169 static const struct DefaultFontInfo default_fonts[] =
 170 {
 171     {   ANSI_CHARSET,
 172         { /* System */
 173           16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, ANSI_CHARSET,
 174            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 175            {'S','y','s','t','e','m','\0'}
 176         },
 177         { /* Device Default */
 178           16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, ANSI_CHARSET,
 179            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 180            {'S','y','s','t','e','m','\0'}
 181         },
 182         { /* System Fixed */
 183           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 184            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 185            {'C','o','u','r','i','e','r','\0'}
 186         },
 187         { /* DefaultGuiFont */
 188           -11, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
 189            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 190            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 191         },
 192     },
 193     {   EASTEUROPE_CHARSET,
 194         { /* System */
 195           16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 196            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 197            {'S','y','s','t','e','m','\0'}
 198         },
 199         { /* Device Default */
 200           16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 201            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 202            {'S','y','s','t','e','m','\0'}
 203         },
 204         { /* System Fixed */
 205           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 206            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 207            {'C','o','u','r','i','e','r','\0'}
 208         },
 209         { /* DefaultGuiFont */
 210           -11, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
 211            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 212            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 213         },
 214     },
 215     {   RUSSIAN_CHARSET,
 216         { /* System */
 217           16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 218            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 219            {'S','y','s','t','e','m','\0'}
 220         },
 221         { /* Device Default */
 222           16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 223            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 224            {'S','y','s','t','e','m','\0'}
 225         },
 226         { /* System Fixed */
 227           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 228            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 229            {'C','o','u','r','i','e','r','\0'}
 230         },
 231         { /* DefaultGuiFont */
 232           -11, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
 233            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 234            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 235         },
 236     },
 237     {   GREEK_CHARSET,
 238         { /* System */
 239           16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, GREEK_CHARSET,
 240            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 241            {'S','y','s','t','e','m','\0'}
 242         },
 243         { /* Device Default */
 244           16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, GREEK_CHARSET,
 245            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 246            {'S','y','s','t','e','m','\0'}
 247         },
 248         { /* System Fixed */
 249           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
 250            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 251            {'C','o','u','r','i','e','r','\0'}
 252         },
 253         { /* DefaultGuiFont */
 254           -11, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
 255            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 256            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 257         },
 258     },
 259     {   TURKISH_CHARSET,
 260         { /* System */
 261           16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 262            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 263            {'S','y','s','t','e','m','\0'}
 264         },
 265         { /* Device Default */
 266           16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 267            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 268            {'S','y','s','t','e','m','\0'}
 269         },
 270         { /* System Fixed */
 271           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 272            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 273            {'C','o','u','r','i','e','r','\0'}
 274         },
 275         { /* DefaultGuiFont */
 276           -11, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
 277            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 278            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 279         },
 280     },
 281     {   HEBREW_CHARSET,
 282         { /* System */
 283           16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 284            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 285            {'S','y','s','t','e','m','\0'}
 286         },
 287         { /* Device Default */
 288           16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 289            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 290            {'S','y','s','t','e','m','\0'}
 291         },
 292         { /* System Fixed */
 293           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 294            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 295            {'C','o','u','r','i','e','r','\0'}
 296         },
 297         { /* DefaultGuiFont */
 298           -11, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
 299            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 300            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 301         },
 302     },
 303     {   ARABIC_CHARSET,
 304         { /* System */
 305           16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 306            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 307            {'S','y','s','t','e','m','\0'}
 308         },
 309         { /* Device Default */
 310           16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 311            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 312            {'S','y','s','t','e','m','\0'}
 313         },
 314         { /* System Fixed */
 315           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 316            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 317            {'C','o','u','r','i','e','r','\0'}
 318         },
 319         { /* DefaultGuiFont */
 320           -11, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
 321            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 322            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 323         },
 324     },
 325     {   BALTIC_CHARSET,
 326         { /* System */
 327           16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 328            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 329            {'S','y','s','t','e','m','\0'}
 330         },
 331         { /* Device Default */
 332           16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 333            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 334            {'S','y','s','t','e','m','\0'}
 335         },
 336         { /* System Fixed */
 337           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 338            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 339            {'C','o','u','r','i','e','r','\0'}
 340         },
 341         { /* DefaultGuiFont */
 342           -11, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
 343            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 344            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 345         },
 346     },
 347     {   THAI_CHARSET,
 348         { /* System */
 349           16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, THAI_CHARSET,
 350            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 351            {'S','y','s','t','e','m','\0'}
 352         },
 353         { /* Device Default */
 354           16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, THAI_CHARSET,
 355            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 356            {'S','y','s','t','e','m','\0'}
 357         },
 358         { /* System Fixed */
 359           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
 360            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 361            {'C','o','u','r','i','e','r','\0'}
 362         },
 363         { /* DefaultGuiFont */
 364           -11, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
 365            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 366            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 367         },
 368     },
 369     {   SHIFTJIS_CHARSET,
 370         { /* System */
 371           18, 8, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 372            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 373            {'S','y','s','t','e','m','\0'}
 374         },
 375         { /* Device Default */
 376           18, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 377            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 378            {'S','y','s','t','e','m','\0'}
 379         },
 380         { /* System Fixed */
 381           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 382            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 383            {'C','o','u','r','i','e','r','\0'}
 384         },
 385         { /* DefaultGuiFont */
 386           -12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
 387            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 388            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 389         },
 390     },
 391     {   GB2312_CHARSET,
 392         { /* System */
 393           16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, GB2312_CHARSET,
 394            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 395            {'S','y','s','t','e','m','\0'}
 396         },
 397         { /* Device Default */
 398           16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, GB2312_CHARSET,
 399            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 400            {'S','y','s','t','e','m','\0'}
 401         },
 402         { /* System Fixed */
 403           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
 404            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 405            {'C','o','u','r','i','e','r','\0'}
 406         },
 407         { /* DefaultGuiFont */
 408           -12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
 409            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 410            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 411         },
 412     },
 413     {   HANGEUL_CHARSET,
 414         { /* System */
 415           16, 8, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 416            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 417            {'S','y','s','t','e','m','\0'}
 418         },
 419         { /* Device Default */
 420           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 421            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 422            {'S','y','s','t','e','m','\0'}
 423         },
 424         { /* System Fixed */
 425           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 426            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 427            {'C','o','u','r','i','e','r','\0'}
 428         },
 429         { /* DefaultGuiFont */
 430           -12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
 431            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 432            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 433         },
 434     },
 435     {   CHINESEBIG5_CHARSET,
 436         { /* System */
 437           16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 438            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 439            {'S','y','s','t','e','m','\0'}
 440         },
 441         { /* Device Default */
 442           16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 443            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 444            {'S','y','s','t','e','m','\0'}
 445         },
 446         { /* System Fixed */
 447           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 448            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 449            {'C','o','u','r','i','e','r','\0'}
 450         },
 451         { /* DefaultGuiFont */
 452           -12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
 453            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 454            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 455         },
 456     },
 457     {   JOHAB_CHARSET,
 458         { /* System */
 459           16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 460            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 461            {'S','y','s','t','e','m','\0'}
 462         },
 463         { /* Device Default */
 464           16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 465            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 466            {'S','y','s','t','e','m','\0'}
 467         },
 468         { /* System Fixed */
 469           16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 470            0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN,
 471            {'C','o','u','r','i','e','r','\0'}
 472         },
 473         { /* DefaultGuiFont */
 474           -12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
 475            0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS,
 476            {'M','S',' ','S','h','e','l','l',' ','D','l','g','\0'}
 477         },
 478     },
 479 };
 480
 481
 482 /*************************************************************************
 483  * __wine_make_gdi_object_system    (GDI32.@)
 484  *
 485  * USER has to tell GDI that its system brushes and pens are non-deletable.
 486  * For a description of the GDI object magics and their flags,
 487  * see "Undocumented Windows" (wrong about the OBJECT_NOSYSTEM flag, though).
 488  */
 489 void CDECL __wine_make_gdi_object_system( HGDIOBJ handle, BOOL set)
 490 {
 491     struct gdi_handle_entry *entry;
 492
 493     EnterCriticalSection( &gdi_section );
 494     if ((entry = handle_entry( handle ))) entry->system = !!set;
 495     LeaveCriticalSection( &gdi_section );
 496 }
 497
 498 /******************************************************************************
 499  *      get_default_fonts
 500  */
 501 static const struct DefaultFontInfo* get_default_fonts(UINT charset)
 502 {
 503         unsigned int n;
 504
 505         for(n=0;n<(sizeof(default_fonts)/sizeof(default_fonts[0]));n++)
 506         {
 507                 if ( default_fonts[n].charset == charset )
 508                         return &default_fonts[n];
 509         }
 510
 511         FIXME( "unhandled charset 0x%08x - use ANSI_CHARSET for default stock objects\n", charset );
 512         return &default_fonts[0];
 513 }
 514
 515
 516 /******************************************************************************
 517  *      get_default_charset    (internal)
 518  *
 519  * get the language-dependent charset that can handle CP_ACP correctly.
 520  */
 521 static UINT get_default_charset( void )
 522 {
 523     CHARSETINFO     csi;
 524     UINT    uACP;
 525
 526     uACP = GetACP();
 527     csi.ciCharset = ANSI_CHARSET;
 528     if ( !TranslateCharsetInfo( ULongToPtr(uACP), &csi, TCI_SRCCODEPAGE ) )
 529     {
 530         FIXME( "unhandled codepage %u - use ANSI_CHARSET for default stock objects\n", uACP );
 531         return ANSI_CHARSET;
 532     }
 533
 534     return csi.ciCharset;
 535 }
 536
 537
 538 /***********************************************************************
 539  *           GDI_get_ref_count
 540  *
 541  * Retrieve the reference count of a GDI object.
 542  * Note: the object must be locked otherwise the count is meaningless.
 543  */
 544 UINT GDI_get_ref_count( HGDIOBJ handle )
 545 {
 546     struct gdi_handle_entry *entry;
 547     UINT ret = 0;
 548
 549     EnterCriticalSection( &gdi_section );
 550     if ((entry = handle_entry( handle ))) ret = entry->selcount;
 551     LeaveCriticalSection( &gdi_section );
 552     return ret;
 553 }
 554
 555
 556 /***********************************************************************
 557  *           GDI_inc_ref_count
 558  *
 559  * Increment the reference count of a GDI object.
 560  */
 561 HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle )
 562 {
 563     struct gdi_handle_entry *entry;
 564
 565     EnterCriticalSection( &gdi_section );
 566     if ((entry = handle_entry( handle ))) entry->selcount++;
 567     else handle = 0;
 568     LeaveCriticalSection( &gdi_section );
 569     return handle;
 570 }
 571
 572
 573 /***********************************************************************
 574  *           GDI_dec_ref_count
 575  *
 576  * Decrement the reference count of a GDI object.
 577  */
 578 BOOL GDI_dec_ref_count( HGDIOBJ handle )
 579 {
 580     struct gdi_handle_entry *entry;
 581
 582     EnterCriticalSection( &gdi_section );
 583     if ((entry = handle_entry( handle )))
 584     {
 585         assert( entry->selcount );
 586         if (!--entry->selcount && entry->deleted)
 587         {
 588             /* handle delayed DeleteObject*/
 589             entry->deleted = 0;
 590             LeaveCriticalSection( &gdi_section );
 591             TRACE( "executing delayed DeleteObject for %p\n", handle );
 592             DeleteObject( handle );
 593             return TRUE;
 594         }
 595     }
 596     LeaveCriticalSection( &gdi_section );
 597     return entry != NULL;
 598 }
 599
 600 /******************************************************************************
 601  *      get_dpi   (internal)
 602  *
 603  * get the dpi from the registry
 604  */
 605 static int get_dpi( void )
 606 {
 607     static const WCHAR dpi_key_name[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s','\0'};
 608     static const WCHAR dpi_value_name[] = {'L','o','g','P','i','x','e','l','s','\0'};
 609     static int dpi = -1;
 610     HKEY hkey;
 611
 612     if (dpi != -1) return dpi;
 613
 614     if (RegOpenKeyW(HKEY_CURRENT_CONFIG, dpi_key_name, &hkey) == ERROR_SUCCESS)
 615     {
 616         DWORD type, size;
 617         int new_dpi;
 618
 619         size = sizeof(new_dpi);
 620         if (RegQueryValueExW(hkey, dpi_value_name, NULL, &type, (void *)&new_dpi, &size) == ERROR_SUCCESS)
 621         {
 622             if (type == REG_DWORD && new_dpi != 0)
 623                 dpi = new_dpi;
 624         }
 625         RegCloseKey(hkey);
 626     }
 627     if (dpi <= 0) dpi = 96;
 628     return dpi;
 629 }
 630
 631
 632 static HFONT create_scaled_font( const LOGFONTW *deffont )
 633 {
 634     LOGFONTW lf;
 635     LONG height;
 636
 637     lf = *deffont;
 638     height = abs(lf.lfHeight) * get_dpi() / 96;
 639     lf.lfHeight = deffont->lfHeight < 0 ? -height : height;
 640
 641     return CreateFontIndirectW( &lf );
 642 }
 643
 644 /***********************************************************************
 645  *           DllMain
 646  *
 647  * GDI initialization.
 648  */
 649 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
 650 {
 651     const struct DefaultFontInfo* deffonts;
 652     int i;
 653
 654     if (reason != DLL_PROCESS_ATTACH) return TRUE;
 655
 656     gdi32_module = inst;
 657     DisableThreadLibraryCalls( inst );
 658     WineEngInit();
 659
 660     /* create stock objects */
 661     stock_objects[WHITE_BRUSH]  = CreateBrushIndirect( &WhiteBrush );
 662     stock_objects[LTGRAY_BRUSH] = CreateBrushIndirect( &LtGrayBrush );
 663     stock_objects[GRAY_BRUSH]   = CreateBrushIndirect( &GrayBrush );
 664     stock_objects[DKGRAY_BRUSH] = CreateBrushIndirect( &DkGrayBrush );
 665     stock_objects[BLACK_BRUSH]  = CreateBrushIndirect( &BlackBrush );
 666     stock_objects[NULL_BRUSH]   = CreateBrushIndirect( &NullBrush );
 667
 668     stock_objects[WHITE_PEN]    = CreatePenIndirect( &WhitePen );
 669     stock_objects[BLACK_PEN]    = CreatePenIndirect( &BlackPen );
 670     stock_objects[NULL_PEN]     = CreatePenIndirect( &NullPen );
 671
 672     stock_objects[DEFAULT_PALETTE] = PALETTE_Init();
 673     stock_objects[DEFAULT_BITMAP]  = CreateBitmap( 1, 1, 1, 1, NULL );
 674
 675     /* language-independent stock fonts */
 676     stock_objects[OEM_FIXED_FONT]      = CreateFontIndirectW( &OEMFixedFont );
 677     stock_objects[ANSI_FIXED_FONT]     = CreateFontIndirectW( &AnsiFixedFont );
 678     stock_objects[ANSI_VAR_FONT]       = CreateFontIndirectW( &AnsiVarFont );
 679
 680     /* language-dependent stock fonts */
 681     deffonts = get_default_fonts(get_default_charset());
 682     stock_objects[SYSTEM_FONT]         = create_scaled_font( &deffonts->SystemFont );
 683     stock_objects[DEVICE_DEFAULT_FONT] = create_scaled_font( &deffonts->DeviceDefaultFont );
 684     stock_objects[SYSTEM_FIXED_FONT]   = CreateFontIndirectW( &deffonts->SystemFixedFont );
 685     stock_objects[DEFAULT_GUI_FONT]    = create_scaled_font( &deffonts->DefaultGuiFont );
 686
 687     stock_objects[DC_BRUSH]     = CreateBrushIndirect( &DCBrush );
 688     stock_objects[DC_PEN]       = CreatePenIndirect( &DCPen );
 689
 690     /* clear the NOSYSTEM bit on all stock objects*/
 691     for (i = 0; i < NB_STOCK_OBJECTS; i++)
 692     {
 693         if (!stock_objects[i])
 694         {
 695             if (i == 9) continue;  /* there's no stock object 9 */
 696             ERR( "could not create stock object %d\n", i );
 697             return FALSE;
 698         }
 699         __wine_make_gdi_object_system( stock_objects[i], TRUE );
 700     }
 701
 702     return TRUE;
 703 }
 704
 705 static const char *gdi_obj_type( unsigned type )
 706 {
 707     switch ( type )
 708     {
 709         case OBJ_PEN: return "OBJ_PEN";
 710         case OBJ_BRUSH: return "OBJ_BRUSH";
 711         case OBJ_DC: return "OBJ_DC";
 712         case OBJ_METADC: return "OBJ_METADC";
 713         case OBJ_PAL: return "OBJ_PAL";
 714         case OBJ_FONT: return "OBJ_FONT";
 715         case OBJ_BITMAP: return "OBJ_BITMAP";
 716         case OBJ_REGION: return "OBJ_REGION";
 717         case OBJ_METAFILE: return "OBJ_METAFILE";
 718         case OBJ_MEMDC: return "OBJ_MEMDC";
 719         case OBJ_EXTPEN: return "OBJ_EXTPEN";
 720         case OBJ_ENHMETADC: return "OBJ_ENHMETADC";
 721         case OBJ_ENHMETAFILE: return "OBJ_ENHMETAFILE";
 722         case OBJ_COLORSPACE: return "OBJ_COLORSPACE";
 723         default: return "UNKNOWN";
 724     }
 725 }
 726
 727 static void dump_gdi_objects( void )
 728 {
 729     struct gdi_handle_entry *entry;
 730
 731     TRACE( "%u objects:\n", MAX_GDI_HANDLES );
 732
 733     EnterCriticalSection( &gdi_section );
 734     for (entry = gdi_handles; entry < next_unused; entry++)
 735     {
 736         if (!entry->type)
 737             TRACE( "handle %p FREE\n", entry_to_handle( entry ));
 738         else
 739             TRACE( "handle %p obj %p type %s selcount %u deleted %u\n",
 740                    entry_to_handle( entry ), entry->obj, gdi_obj_type( entry->type ),
 741                    entry->selcount, entry->deleted );
 742     }
 743     LeaveCriticalSection( &gdi_section );
 744 }
 745
 746 /***********************************************************************
 747  *           alloc_gdi_handle
 748  *
 749  * Allocate a GDI handle for an object, which must have been allocated on the process heap.
 750  */
 751 HGDIOBJ alloc_gdi_handle( void *obj, WORD type, const struct gdi_obj_funcs *funcs )
 752 {
 753     struct gdi_handle_entry *entry;
 754     HGDIOBJ ret;
 755
 756     assert( type );  /* type 0 is reserved to mark free entries */
 757
 758     EnterCriticalSection( &gdi_section );
 759
 760     entry = next_free;
 761     if (entry)
 762         next_free = entry->obj;
 763     else if (next_unused < gdi_handles + MAX_GDI_HANDLES)
 764         entry = next_unused++;
 765     else
 766     {
 767         LeaveCriticalSection( &gdi_section );
 768         ERR( "out of GDI object handles, expect a crash\n" );
 769         if (TRACE_ON(gdi)) dump_gdi_objects();
 770         return 0;
 771     }
 772     entry->obj      = obj;
 773     entry->funcs    = funcs;
 774     entry->hdcs     = NULL;
 775     entry->type     = type;
 776     entry->selcount = 0;
 777     entry->system   = 0;
 778     entry->deleted  = 0;
 779     if (++entry->generation == 0xffff) entry->generation = 1;
 780     ret = entry_to_handle( entry );
 781     LeaveCriticalSection( &gdi_section );
 782     TRACE( "allocated %s %p %u/%u\n", gdi_obj_type(type), ret,
 783            InterlockedIncrement( &debug_count ), MAX_GDI_HANDLES );
 784     return ret;
 785 }
 786
 787
 788 /***********************************************************************
 789  *           free_gdi_handle
 790  *
 791  * Free a GDI handle and return a pointer to the object.
 792  */
 793 void *free_gdi_handle( HGDIOBJ handle )
 794 {
 795     void *object = NULL;
 796     struct gdi_handle_entry *entry;
 797
 798     EnterCriticalSection( &gdi_section );
 799     if ((entry = handle_entry( handle )))
 800     {
 801         TRACE( "freed %s %p %u/%u\n", gdi_obj_type( entry->type ), handle,
 802                InterlockedDecrement( &debug_count ) + 1, MAX_GDI_HANDLES );
 803         object = entry->obj;
 804         entry->type = 0;
 805         entry->obj = next_free;
 806         next_free = entry;
 807     }
 808     LeaveCriticalSection( &gdi_section );
 809     return object;
 810 }
 811
 812
 813 /***********************************************************************
 814  *           get_full_gdi_handle
 815  *
 816  * Return the full GDI handle from a possibly truncated value.
 817  */
 818 HGDIOBJ get_full_gdi_handle( HGDIOBJ handle )
 819 {
 820     struct gdi_handle_entry *entry;
 821
 822     if (!HIWORD( handle ))
 823     {
 824         EnterCriticalSection( &gdi_section );
 825         if ((entry = handle_entry( handle ))) handle = entry_to_handle( entry );
 826         LeaveCriticalSection( &gdi_section );
 827     }
 828     return handle;
 829 }
 830
 831 /***********************************************************************
 832  *           get_any_obj_ptr
 833  *
 834  * Return a pointer to, and the type of, the GDI object
 835  * associated with the handle.
 836  * The object must be released with GDI_ReleaseObj.
 837  */
 838 void *get_any_obj_ptr( HGDIOBJ handle, WORD *type )
 839 {
 840     void *ptr = NULL;
 841     struct gdi_handle_entry *entry;
 842
 843     EnterCriticalSection( &gdi_section );
 844
 845     if ((entry = handle_entry( handle )))
 846     {
 847         ptr = entry->obj;
 848         *type = entry->type;
 849     }
 850
 851     if (!ptr) LeaveCriticalSection( &gdi_section );
 852     return ptr;
 853 }
 854
 855 /***********************************************************************
 856  *           GDI_GetObjPtr
 857  *
 858  * Return a pointer to the GDI object associated with the handle.
 859  * Return NULL if the object has the wrong type.
 860  * The object must be released with GDI_ReleaseObj.
 861  */
 862 void *GDI_GetObjPtr( HGDIOBJ handle, WORD type )
 863 {
 864     WORD ret_type;
 865     void *ptr = get_any_obj_ptr( handle, &ret_type );
 866     if (ptr && ret_type != type)
 867     {
 868         GDI_ReleaseObj( handle );
 869         ptr = NULL;
 870     }
 871     return ptr;
 872 }
 873
 874 /***********************************************************************
 875  *           GDI_ReleaseObj
 876  *
 877  */
 878 void GDI_ReleaseObj( HGDIOBJ handle )
 879 {
 880     LeaveCriticalSection( &gdi_section );
 881 }
 882
 883
 884 /***********************************************************************
 885  *           GDI_CheckNotLock
 886  */
 887 void GDI_CheckNotLock(void)
 888 {
 889     if (RtlIsCriticalSectionLockedByThread(&gdi_section))
 890     {
 891         ERR( "BUG: holding GDI lock\n" );
 892         DebugBreak();
 893     }
 894 }
 895
 896
 897 /***********************************************************************
 898  *           DeleteObject    (GDI32.@)
 899  *
 900  * Delete a Gdi object.
 901  *
 902  * PARAMS
 903  *  obj [I] Gdi object to delete
 904  *
 905  * RETURNS
 906  *  Success: TRUE. If obj was not returned from GetStockObject(), any resources
 907  *           it consumed are released.
 908  *  Failure: FALSE, if obj is not a valid Gdi object, or is currently selected
 909  *           into a DC.
 910  */
 911 BOOL WINAPI DeleteObject( HGDIOBJ obj )
 912 {
 913     struct gdi_handle_entry *entry;
 914     struct hdc_list *hdcs_head;
 915     const struct gdi_obj_funcs *funcs = NULL;
 916
 917     EnterCriticalSection( &gdi_section );
 918     if (!(entry = handle_entry( obj )))
 919     {
 920         LeaveCriticalSection( &gdi_section );
 921         return FALSE;
 922     }
 923
 924     if (entry->system)
 925     {
 926         TRACE("Preserving system object %p\n", obj);
 927         LeaveCriticalSection( &gdi_section );
 928         return TRUE;
 929     }
 930
 931     obj = entry_to_handle( entry );  /* make it a full handle */
 932
 933     hdcs_head = entry->hdcs;
 934     entry->hdcs = NULL;
 935
 936     if (entry->selcount)
 937     {
 938         TRACE("delayed for %p because object in use, count %u\n", obj, entry->selcount );
 939         entry->deleted = 1;  /* mark for delete */
 940     }
 941     else funcs = entry->funcs;
 942
 943     LeaveCriticalSection( &gdi_section );
 944
 945     while (hdcs_head)
 946     {
 947         struct hdc_list *next = hdcs_head->next;
 948         DC *dc = get_dc_ptr(hdcs_head->hdc);
 949
 950         TRACE("hdc %p has interest in %p\n", hdcs_head->hdc, obj);
 951         if(dc)
 952         {
 953             PHYSDEV physdev = GET_DC_PHYSDEV( dc, pDeleteObject );
 954             physdev->funcs->pDeleteObject( physdev, obj );
 955             release_dc_ptr( dc );
 956         }
 957         HeapFree(GetProcessHeap(), 0, hdcs_head);
 958         hdcs_head = next;
 959     }
 960
 961     TRACE("%p\n", obj );
 962
 963     if (funcs && funcs->pDeleteObject) return funcs->pDeleteObject( obj );
 964     return TRUE;
 965 }
 966
 967 /***********************************************************************
 968  *           GDI_hdc_using_object
 969  *
 970  * Call this if the dc requires DeleteObject notification
 971  */
 972 void GDI_hdc_using_object(HGDIOBJ obj, HDC hdc)
 973 {
 974     struct gdi_handle_entry *entry;
 975     struct hdc_list *phdc;
 976
 977     TRACE("obj %p hdc %p\n", obj, hdc);
 978
 979     EnterCriticalSection( &gdi_section );
 980     if ((entry = handle_entry( obj )) && !entry->system)
 981     {
 982         for (phdc = entry->hdcs; phdc; phdc = phdc->next)
 983             if (phdc->hdc == hdc) break;
 984
 985         if (!phdc)
 986         {
 987             phdc = HeapAlloc(GetProcessHeap(), 0, sizeof(*phdc));
 988             phdc->hdc = hdc;
 989             phdc->next = entry->hdcs;
 990             entry->hdcs = phdc;
 991         }
 992     }
 993     LeaveCriticalSection( &gdi_section );
 994 }
 995
 996 /***********************************************************************
 997  *           GDI_hdc_not_using_object
 998  *
 999  */
1000 void GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc)
1001 {
1002     struct gdi_handle_entry *entry;
1003     struct hdc_list **pphdc;
1004
1005     TRACE("obj %p hdc %p\n", obj, hdc);
1006
1007     EnterCriticalSection( &gdi_section );
1008     if ((entry = handle_entry( obj )) && !entry->system)
1009     {
1010         for (pphdc = &entry->hdcs; *pphdc; pphdc = &(*pphdc)->next)
1011             if ((*pphdc)->hdc == hdc)
1012             {
1013                 struct hdc_list *phdc = *pphdc;
1014                 *pphdc = phdc->next;
1015                 HeapFree(GetProcessHeap(), 0, phdc);
1016                 break;
1017             }
1018     }
1019     LeaveCriticalSection( &gdi_section );
1020 }
1021
1022 /***********************************************************************
1023  *           GetStockObject    (GDI32.@)
1024  */
1025 HGDIOBJ WINAPI GetStockObject( INT obj )
1026 {
1027     HGDIOBJ ret;
1028     if ((obj < 0) || (obj >= NB_STOCK_OBJECTS)) return 0;
1029     ret = stock_objects[obj];
1030     TRACE("returning %p\n", ret );
1031     return ret;
1032 }
1033
1034
1035 /***********************************************************************
1036  *           GetObjectA    (GDI32.@)
1037  */
1038 INT WINAPI GetObjectA( HGDIOBJ handle, INT count, LPVOID buffer )
1039 {
1040     struct gdi_handle_entry *entry;
1041     const struct gdi_obj_funcs *funcs = NULL;
1042     INT result = 0;
1043
1044     TRACE("%p %d %p\n", handle, count, buffer );
1045
1046     EnterCriticalSection( &gdi_section );
1047     if ((entry = handle_entry( handle )))
1048     {
1049         funcs = entry->funcs;
1050         handle = entry_to_handle( entry );  /* make it a full handle */
1051     }
1052     LeaveCriticalSection( &gdi_section );
1053
1054     if (funcs)
1055     {
1056         if (!funcs->pGetObjectA)
1057             SetLastError( ERROR_INVALID_HANDLE );
1058         else if (buffer && ((ULONG_PTR)buffer >> 16) == 0) /* catch apps getting argument order wrong */
1059             SetLastError( ERROR_NOACCESS );
1060         else
1061             result = funcs->pGetObjectA( handle, count, buffer );
1062     }
1063     return result;
1064 }
1065
1066 /***********************************************************************
1067  *           GetObjectW    (GDI32.@)
1068  */
1069 INT WINAPI GetObjectW( HGDIOBJ handle, INT count, LPVOID buffer )
1070 {
1071     struct gdi_handle_entry *entry;
1072     const struct gdi_obj_funcs *funcs = NULL;
1073     INT result = 0;
1074
1075     TRACE("%p %d %p\n", handle, count, buffer );
1076
1077     EnterCriticalSection( &gdi_section );
1078     if ((entry = handle_entry( handle )))
1079     {
1080         funcs = entry->funcs;
1081         handle = entry_to_handle( entry );  /* make it a full handle */
1082     }
1083     LeaveCriticalSection( &gdi_section );
1084
1085     if (funcs)
1086     {
1087         if (!funcs->pGetObjectW)
1088             SetLastError( ERROR_INVALID_HANDLE );
1089         else if (buffer && ((ULONG_PTR)buffer >> 16) == 0) /* catch apps getting argument order wrong */
1090             SetLastError( ERROR_NOACCESS );
1091         else
1092             result = funcs->pGetObjectW( handle, count, buffer );
1093     }
1094     return result;
1095 }
1096
1097 /***********************************************************************
1098  *           GetObjectType    (GDI32.@)
1099  */
1100 DWORD WINAPI GetObjectType( HGDIOBJ handle )
1101 {
1102     struct gdi_handle_entry *entry;
1103     DWORD result = 0;
1104
1105     EnterCriticalSection( &gdi_section );
1106     if ((entry = handle_entry( handle ))) result = entry->type;
1107     LeaveCriticalSection( &gdi_section );
1108
1109     TRACE("%p -> %u\n", handle, result );
1110     if (!result) SetLastError( ERROR_INVALID_HANDLE );
1111     return result;
1112 }
1113
1114 /***********************************************************************
1115  *           GetCurrentObject           (GDI32.@)
1116  *
1117  * Get the currently selected object of a given type in a device context.
1118  *
1119  * PARAMS
1120  *  hdc  [I] Device context to get the current object from
1121  *  type [I] Type of current object to get (OBJ_* defines from "wingdi.h")
1122  *
1123  * RETURNS
1124  *  Success: The current object of the given type selected in hdc.
1125  *  Failure: A NULL handle.
1126  *
1127  * NOTES
1128  * - only the following object types are supported:
1129  *| OBJ_PEN
1130  *| OBJ_BRUSH
1131  *| OBJ_PAL
1132  *| OBJ_FONT
1133  *| OBJ_BITMAP
1134  */
1135 HGDIOBJ WINAPI GetCurrentObject(HDC hdc,UINT type)
1136 {
1137     HGDIOBJ ret = 0;
1138     DC * dc = get_dc_ptr( hdc );
1139
1140     if (!dc) return 0;
1141
1142     switch (type) {
1143         case OBJ_EXTPEN: /* fall through */
1144         case OBJ_PEN:    ret = dc->hPen; break;
1145         case OBJ_BRUSH:  ret = dc->hBrush; break;
1146         case OBJ_PAL:    ret = dc->hPalette; break;
1147         case OBJ_FONT:   ret = dc->hFont; break;
1148         case OBJ_BITMAP: ret = dc->hBitmap; break;
1149
1150         /* tests show that OBJ_REGION is explicitly ignored */
1151         case OBJ_REGION: break;
1152         default:
1153             /* the SDK only mentions those above */
1154             FIXME("(%p,%d): unknown type.\n",hdc,type);
1155             break;
1156     }
1157     release_dc_ptr( dc );
1158     return ret;
1159 }
1160
1161
1162 /***********************************************************************
1163  *           SelectObject    (GDI32.@)
1164  *
1165  * Select a Gdi object into a device context.
1166  *
1167  * PARAMS
1168  *  hdc  [I] Device context to associate the object with
1169  *  hObj [I] Gdi object to associate with hdc
1170  *
1171  * RETURNS
1172  *  Success: A non-NULL handle representing the previously selected object of
1173  *           the same type as hObj.
1174  *  Failure: A NULL object. If hdc is invalid, GetLastError() returns ERROR_INVALID_HANDLE.
1175  *           if hObj is not a valid object handle, no last error is set. In either
1176  *           case, hdc is unaffected by the call.
1177  */
1178 HGDIOBJ WINAPI SelectObject( HDC hdc, HGDIOBJ hObj )
1179 {
1180     struct gdi_handle_entry *entry;
1181     const struct gdi_obj_funcs *funcs = NULL;
1182
1183     TRACE( "(%p,%p)\n", hdc, hObj );
1184
1185     EnterCriticalSection( &gdi_section );
1186     if ((entry = handle_entry( hObj )))
1187     {
1188         funcs = entry->funcs;
1189         hObj = entry_to_handle( entry );  /* make it a full handle */
1190     }
1191     LeaveCriticalSection( &gdi_section );
1192
1193     if (funcs && funcs->pSelectObject) return funcs->pSelectObject( hObj, hdc );
1194     return 0;
1195 }
1196
1197
1198 /***********************************************************************
1199  *           UnrealizeObject    (GDI32.@)
1200  */
1201 BOOL WINAPI UnrealizeObject( HGDIOBJ obj )
1202 {
1203     const struct gdi_obj_funcs *funcs = NULL;
1204     struct gdi_handle_entry *entry;
1205
1206     EnterCriticalSection( &gdi_section );
1207     if ((entry = handle_entry( obj )))
1208     {
1209         funcs = entry->funcs;
1210         obj = entry_to_handle( entry );  /* make it a full handle */
1211     }
1212     LeaveCriticalSection( &gdi_section );
1213
1214     if (funcs && funcs->pUnrealizeObject) return funcs->pUnrealizeObject( obj );
1215     return funcs != NULL;
1216 }
1217
1218
1219 /* Solid colors to enumerate */
1220 static const COLORREF solid_colors[] =
1221 { RGB(0x00,0x00,0x00), RGB(0xff,0xff,0xff),
1222 RGB(0xff,0x00,0x00), RGB(0x00,0xff,0x00),
1223 RGB(0x00,0x00,0xff), RGB(0xff,0xff,0x00),
1224 RGB(0xff,0x00,0xff), RGB(0x00,0xff,0xff),
1225 RGB(0x80,0x00,0x00), RGB(0x00,0x80,0x00),
1226 RGB(0x80,0x80,0x00), RGB(0x00,0x00,0x80),
1227 RGB(0x80,0x00,0x80), RGB(0x00,0x80,0x80),
1228 RGB(0x80,0x80,0x80), RGB(0xc0,0xc0,0xc0)
1229 };
1230
1231
1232 /***********************************************************************
1233  *           EnumObjects    (GDI32.@)
1234  */
1235 INT WINAPI EnumObjects( HDC hdc, INT nObjType,
1236                             GOBJENUMPROC lpEnumFunc, LPARAM lParam )
1237 {
1238     UINT i;
1239     INT retval = 0;
1240     LOGPEN pen;
1241     LOGBRUSH brush;
1242
1243     TRACE("%p %d %p %08lx\n", hdc, nObjType, lpEnumFunc, lParam );
1244     switch(nObjType)
1245     {
1246     case OBJ_PEN:
1247         /* Enumerate solid pens */
1248         for (i = 0; i < sizeof(solid_colors)/sizeof(solid_colors[0]); i++)
1249         {
1250             pen.lopnStyle   = PS_SOLID;
1251             pen.lopnWidth.x = 1;
1252             pen.lopnWidth.y = 0;
1253             pen.lopnColor   = solid_colors[i];
1254             retval = lpEnumFunc( &pen, lParam );
1255             TRACE("solid pen %08x, ret=%d\n",
1256                          solid_colors[i], retval);
1257             if (!retval) break;
1258         }
1259         break;
1260
1261     case OBJ_BRUSH:
1262         /* Enumerate solid brushes */
1263         for (i = 0; i < sizeof(solid_colors)/sizeof(solid_colors[0]); i++)
1264         {
1265             brush.lbStyle = BS_SOLID;
1266             brush.lbColor = solid_colors[i];
1267             brush.lbHatch = 0;
1268             retval = lpEnumFunc( &brush, lParam );
1269             TRACE("solid brush %08x, ret=%d\n",
1270                          solid_colors[i], retval);
1271             if (!retval) break;
1272         }
1273
1274         /* Now enumerate hatched brushes */
1275         if (retval) for (i = HS_HORIZONTAL; i <= HS_DIAGCROSS; i++)
1276         {
1277             brush.lbStyle = BS_HATCHED;
1278             brush.lbColor = RGB(0,0,0);
1279             brush.lbHatch = i;
1280             retval = lpEnumFunc( &brush, lParam );
1281             TRACE("hatched brush %d, ret=%d\n",
1282                          i, retval);
1283             if (!retval) break;
1284         }
1285         break;
1286
1287     default:
1288         /* FIXME: implement Win32 types */
1289         WARN("(%d): Invalid type\n", nObjType );
1290         break;
1291     }
1292     return retval;
1293 }
1294
1295
1296 /***********************************************************************
1297  *           SetObjectOwner    (GDI32.@)
1298  */
1299 void WINAPI SetObjectOwner( HGDIOBJ handle, HANDLE owner )
1300 {
1301     /* Nothing to do */
1302 }
1303
1304 /***********************************************************************
1305  *           GdiInitializeLanguagePack    (GDI32.@)
1306  */
1307 DWORD WINAPI GdiInitializeLanguagePack( DWORD arg )
1308 {
1309     FIXME("stub\n");
1310     return 0;
1311 }
1312
1313 /***********************************************************************
1314  *           GdiFlush    (GDI32.@)
1315  */
1316 BOOL WINAPI GdiFlush(void)
1317 {
1318     return TRUE;  /* FIXME */
1319 }
1320
1321
1322 /***********************************************************************
1323  *           GdiGetBatchLimit    (GDI32.@)
1324  */
1325 DWORD WINAPI GdiGetBatchLimit(void)
1326 {
1327     return 1;  /* FIXME */
1328 }
1329
1330
1331 /***********************************************************************
1332  *           GdiSetBatchLimit    (GDI32.@)
1333  */
1334 DWORD WINAPI GdiSetBatchLimit( DWORD limit )
1335 {
1336     return 1; /* FIXME */
1337 }
1338
1339
1340 /*******************************************************************
1341  *      GetColorAdjustment [GDI32.@]
1342  *
1343  *
1344  */
1345 BOOL WINAPI GetColorAdjustment(HDC hdc, LPCOLORADJUSTMENT lpca)
1346 {
1347     FIXME("stub\n");
1348     return FALSE;
1349 }
1350
1351 /*******************************************************************
1352  *      GdiComment [GDI32.@]
1353  *
1354  *
1355  */
1356 BOOL WINAPI GdiComment(HDC hdc, UINT cbSize, const BYTE *lpData)
1357 {
1358     DC *dc = get_dc_ptr(hdc);
1359     BOOL ret = FALSE;
1360
1361     if(dc)
1362     {
1363         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pGdiComment );
1364         ret = physdev->funcs->pGdiComment( physdev, cbSize, lpData );
1365         release_dc_ptr( dc );
1366     }
1367     return ret;
1368 }
1369
1370 /*******************************************************************
1371  *      SetColorAdjustment [GDI32.@]
1372  *
1373  *
1374  */
1375 BOOL WINAPI SetColorAdjustment(HDC hdc, const COLORADJUSTMENT* lpca)
1376 {
1377     FIXME("stub\n");
1378     return FALSE;
1379 }