1033 lines
33 KiB
C
1033 lines
33 KiB
C
/*
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* GDI functions
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*
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* Copyright 1993 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <assert.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winreg.h"
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#include "winnls.h"
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#include "winerror.h"
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#include "winternl.h"
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#include "ntgdi_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(gdi);
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#define FIRST_GDI_HANDLE 32
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static GDI_SHARED_MEMORY gdi_shared;
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static GDI_HANDLE_ENTRY *next_free;
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static GDI_HANDLE_ENTRY *next_unused = gdi_shared.Handles + FIRST_GDI_HANDLE;
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static LONG debug_count;
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HMODULE gdi32_module = 0;
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SYSTEM_BASIC_INFORMATION system_info;
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static inline HGDIOBJ entry_to_handle( GDI_HANDLE_ENTRY *entry )
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{
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unsigned int idx = entry - gdi_shared.Handles;
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return LongToHandle( idx | (entry->Unique << NTGDI_HANDLE_TYPE_SHIFT) );
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}
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static inline GDI_HANDLE_ENTRY *handle_entry( HGDIOBJ handle )
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{
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unsigned int idx = LOWORD(handle);
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if (idx < GDI_MAX_HANDLE_COUNT && gdi_shared.Handles[idx].Type)
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{
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if (!HIWORD( handle ) || HIWORD( handle ) == gdi_shared.Handles[idx].Unique)
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return &gdi_shared.Handles[idx];
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}
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if (handle) WARN( "invalid handle %p\n", handle );
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return NULL;
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}
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static inline struct gdi_obj_header *entry_obj( GDI_HANDLE_ENTRY *entry )
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{
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return (struct gdi_obj_header *)(ULONG_PTR)entry->Object;
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}
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/***********************************************************************
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* GDI stock objects
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*/
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static const LOGBRUSH WhiteBrush = { BS_SOLID, RGB(255,255,255), 0 };
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static const LOGBRUSH BlackBrush = { BS_SOLID, RGB(0,0,0), 0 };
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static const LOGBRUSH NullBrush = { BS_NULL, 0, 0 };
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static const LOGBRUSH LtGrayBrush = { BS_SOLID, RGB(192,192,192), 0 };
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static const LOGBRUSH GrayBrush = { BS_SOLID, RGB(128,128,128), 0 };
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static const LOGBRUSH DkGrayBrush = { BS_SOLID, RGB(64,64,64), 0 };
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static const LOGBRUSH DCBrush = { BS_SOLID, RGB(255,255,255), 0 };
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static CRITICAL_SECTION gdi_section;
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static CRITICAL_SECTION_DEBUG critsect_debug =
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{
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0, 0, &gdi_section,
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{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": gdi_section") }
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};
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static CRITICAL_SECTION gdi_section = { &critsect_debug, -1, 0, 0, 0, 0 };
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/****************************************************************************
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*
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* language-independent stock fonts
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*
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*/
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static const LOGFONTW OEMFixedFont =
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{ 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, OEM_CHARSET,
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0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, L"" };
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static const LOGFONTW AnsiFixedFont =
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{ 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
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0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, L"Courier" };
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static const LOGFONTW AnsiVarFont =
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{ 12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"MS Sans Serif" };
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/******************************************************************************
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*
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* language-dependent stock fonts
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*
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* 'ANSI' charset and 'DEFAULT' charset is not same.
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* The chars in CP_ACP should be drawn with 'DEFAULT' charset.
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* 'ANSI' charset seems to be identical with ISO-8859-1.
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* 'DEFAULT' charset is a language-dependent charset.
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*
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* 'System' font seems to be an alias for language-dependent font.
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*/
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/*
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* language-dependent stock fonts for all known charsets
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* please see TranslateCharsetInfo (dlls/gdi/font.c) and
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* CharsetBindingInfo (dlls/x11drv/xfont.c),
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* and modify entries for your language if needed.
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*/
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struct DefaultFontInfo
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{
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UINT charset;
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LOGFONTW SystemFont;
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LOGFONTW DeviceDefaultFont;
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LOGFONTW SystemFixedFont;
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LOGFONTW DefaultGuiFont;
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};
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static const struct DefaultFontInfo default_fonts[] =
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{
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{ ANSI_CHARSET,
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{ /* System */
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16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, ANSI_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* Device Default */
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16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, ANSI_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* System Fixed */
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16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
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0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, L"Courier"
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},
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{ /* DefaultGuiFont */
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-11, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"MS Shell Dlg"
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},
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},
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{ EASTEUROPE_CHARSET,
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{ /* System */
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16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* Device Default */
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16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* System Fixed */
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16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
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0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, L"Courier"
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},
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{ /* DefaultGuiFont */
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-11, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, EASTEUROPE_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"MS Shell Dlg"
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},
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},
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{ RUSSIAN_CHARSET,
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{ /* System */
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16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* Device Default */
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16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* System Fixed */
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16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
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0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, L"Courier"
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},
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{ /* DefaultGuiFont */
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-11, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, RUSSIAN_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"MS Shell Dlg"
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},
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},
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{ GREEK_CHARSET,
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{ /* System */
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16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, GREEK_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* Device Default */
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16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, GREEK_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* System Fixed */
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16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
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0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, L"Courier"
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},
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{ /* DefaultGuiFont */
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-11, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GREEK_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"MS Shell Dlg"
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},
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},
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{ TURKISH_CHARSET,
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{ /* System */
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16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, TURKISH_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* Device Default */
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16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, TURKISH_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* System Fixed */
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16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
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0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, L"Courier"
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},
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{ /* DefaultGuiFont */
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-11, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, TURKISH_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"MS Shell Dlg"
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},
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},
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{ HEBREW_CHARSET,
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{ /* System */
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16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, HEBREW_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* Device Default */
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16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, HEBREW_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* System Fixed */
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16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
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0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, L"Courier"
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},
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{ /* DefaultGuiFont */
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-11, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HEBREW_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"MS Shell Dlg"
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},
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},
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{ ARABIC_CHARSET,
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{ /* System */
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16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, ARABIC_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* Device Default */
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16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, ARABIC_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* System Fixed */
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16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
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0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, L"Courier"
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},
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{ /* DefaultGuiFont */
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-11, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ARABIC_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"MS Shell Dlg"
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},
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},
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{ BALTIC_CHARSET,
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{ /* System */
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16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, BALTIC_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* Device Default */
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16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, BALTIC_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* System Fixed */
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16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
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0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, L"Courier"
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},
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{ /* DefaultGuiFont */
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-11, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, BALTIC_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"MS Shell Dlg"
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},
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},
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{ THAI_CHARSET,
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{ /* System */
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16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, THAI_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* Device Default */
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16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, THAI_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* System Fixed */
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16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
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0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, L"Courier"
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},
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{ /* DefaultGuiFont */
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-11, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, THAI_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"MS Shell Dlg"
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},
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},
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{ SHIFTJIS_CHARSET,
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{ /* System */
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18, 8, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* Device Default */
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18, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* System Fixed */
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16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
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0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, L"Courier"
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},
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{ /* DefaultGuiFont */
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-12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"MS Shell Dlg"
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},
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},
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{ GB2312_CHARSET,
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{ /* System */
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16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, GB2312_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* Device Default */
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16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, GB2312_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* System Fixed */
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16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
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0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, L"Courier"
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},
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{ /* DefaultGuiFont */
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-12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, GB2312_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"MS Shell Dlg"
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},
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},
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{ HANGEUL_CHARSET,
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{ /* System */
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16, 8, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* Device Default */
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16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* System Fixed */
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16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
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0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, L"Courier"
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},
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{ /* DefaultGuiFont */
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-12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, HANGEUL_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"MS Shell Dlg"
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},
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},
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{ CHINESEBIG5_CHARSET,
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{ /* System */
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16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* Device Default */
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16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* System Fixed */
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16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
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0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, L"Courier"
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},
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{ /* DefaultGuiFont */
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-12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, CHINESEBIG5_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"MS Shell Dlg"
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},
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},
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{ JOHAB_CHARSET,
|
|
{ /* System */
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16, 7, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, JOHAB_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* Device Default */
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16, 0, 0, 0, FW_BOLD, FALSE, FALSE, FALSE, JOHAB_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"System"
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},
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{ /* System Fixed */
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16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
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0, 0, DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, L"Courier"
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},
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{ /* DefaultGuiFont */
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-12, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, JOHAB_CHARSET,
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0, 0, DEFAULT_QUALITY, VARIABLE_PITCH | FF_SWISS, L"MS Shell Dlg"
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},
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},
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};
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/*************************************************************************
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* __wine_make_gdi_object_system (win32u.@)
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*
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* USER has to tell GDI that its system brushes and pens are non-deletable.
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* For a description of the GDI object magics and their flags,
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* see "Undocumented Windows" (wrong about the OBJECT_NOSYSTEM flag, though).
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*/
|
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void CDECL __wine_make_gdi_object_system( HGDIOBJ handle, BOOL set)
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{
|
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GDI_HANDLE_ENTRY *entry;
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|
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EnterCriticalSection( &gdi_section );
|
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if ((entry = handle_entry( handle ))) entry_obj( entry )->system = !!set;
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LeaveCriticalSection( &gdi_section );
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}
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|
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/******************************************************************************
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* get_default_fonts
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*/
|
|
static const struct DefaultFontInfo* get_default_fonts(UINT charset)
|
|
{
|
|
unsigned int n;
|
|
|
|
for(n = 0; n < ARRAY_SIZE( default_fonts ); n++)
|
|
{
|
|
if ( default_fonts[n].charset == charset )
|
|
return &default_fonts[n];
|
|
}
|
|
|
|
FIXME( "unhandled charset 0x%08x - use ANSI_CHARSET for default stock objects\n", charset );
|
|
return &default_fonts[0];
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* get_default_charset (internal)
|
|
*
|
|
* get the language-dependent charset that can handle CP_ACP correctly.
|
|
*/
|
|
static UINT get_default_charset( void )
|
|
{
|
|
CHARSETINFO csi;
|
|
UINT uACP;
|
|
|
|
uACP = GetACP();
|
|
csi.ciCharset = ANSI_CHARSET;
|
|
if ( !translate_charset_info( ULongToPtr(uACP), &csi, TCI_SRCCODEPAGE ) )
|
|
{
|
|
FIXME( "unhandled codepage %u - use ANSI_CHARSET for default stock objects\n", uACP );
|
|
return ANSI_CHARSET;
|
|
}
|
|
|
|
return csi.ciCharset;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GDI_get_ref_count
|
|
*
|
|
* Retrieve the reference count of a GDI object.
|
|
* Note: the object must be locked otherwise the count is meaningless.
|
|
*/
|
|
UINT GDI_get_ref_count( HGDIOBJ handle )
|
|
{
|
|
GDI_HANDLE_ENTRY *entry;
|
|
UINT ret = 0;
|
|
|
|
EnterCriticalSection( &gdi_section );
|
|
if ((entry = handle_entry( handle ))) ret = entry_obj( entry )->selcount;
|
|
LeaveCriticalSection( &gdi_section );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GDI_inc_ref_count
|
|
*
|
|
* Increment the reference count of a GDI object.
|
|
*/
|
|
HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle )
|
|
{
|
|
GDI_HANDLE_ENTRY *entry;
|
|
|
|
EnterCriticalSection( &gdi_section );
|
|
if ((entry = handle_entry( handle ))) entry_obj( entry )->selcount++;
|
|
else handle = 0;
|
|
LeaveCriticalSection( &gdi_section );
|
|
return handle;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GDI_dec_ref_count
|
|
*
|
|
* Decrement the reference count of a GDI object.
|
|
*/
|
|
BOOL GDI_dec_ref_count( HGDIOBJ handle )
|
|
{
|
|
GDI_HANDLE_ENTRY *entry;
|
|
|
|
EnterCriticalSection( &gdi_section );
|
|
if ((entry = handle_entry( handle )))
|
|
{
|
|
assert( entry_obj( entry )->selcount );
|
|
if (!--entry_obj( entry )->selcount && entry_obj( entry )->deleted)
|
|
{
|
|
/* handle delayed DeleteObject*/
|
|
entry_obj( entry )->deleted = 0;
|
|
LeaveCriticalSection( &gdi_section );
|
|
TRACE( "executing delayed DeleteObject for %p\n", handle );
|
|
NtGdiDeleteObjectApp( handle );
|
|
return TRUE;
|
|
}
|
|
}
|
|
LeaveCriticalSection( &gdi_section );
|
|
return entry != NULL;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* get_system_dpi
|
|
*
|
|
* Get the system DPI, based on the DPI awareness mode.
|
|
*/
|
|
DWORD get_system_dpi(void)
|
|
{
|
|
static UINT (WINAPI *pGetDpiForSystem)(void);
|
|
|
|
if (!pGetDpiForSystem)
|
|
{
|
|
HMODULE user = GetModuleHandleW( L"user32.dll" );
|
|
if (user) pGetDpiForSystem = (void *)GetProcAddress( user, "GetDpiForSystem" );
|
|
}
|
|
return pGetDpiForSystem ? pGetDpiForSystem() : 96;
|
|
}
|
|
|
|
static HFONT create_font( const LOGFONTW *deffont )
|
|
{
|
|
ENUMLOGFONTEXDVW lf;
|
|
|
|
memset( &lf, 0, sizeof(lf) );
|
|
lf.elfEnumLogfontEx.elfLogFont = *deffont;
|
|
return NtGdiHfontCreate( &lf, sizeof(lf), 0, 0, NULL );
|
|
}
|
|
|
|
static HFONT create_scaled_font( const LOGFONTW *deffont, unsigned int dpi )
|
|
{
|
|
LOGFONTW lf;
|
|
|
|
lf = *deffont;
|
|
lf.lfHeight = muldiv( lf.lfHeight, dpi, 96 );
|
|
return create_font( &lf );
|
|
}
|
|
|
|
static void set_gdi_shared(void)
|
|
{
|
|
#ifndef _WIN64
|
|
if (NtCurrentTeb()->GdiBatchCount)
|
|
{
|
|
TEB64 *teb64 = (TEB64 *)(UINT_PTR)NtCurrentTeb()->GdiBatchCount;
|
|
PEB64 *peb64 = (PEB64 *)(UINT_PTR)teb64->Peb;
|
|
peb64->GdiSharedHandleTable = (UINT_PTR)&gdi_shared;
|
|
return;
|
|
}
|
|
#endif
|
|
/* NOTE: Windows uses 32-bit for 32-bit kernel */
|
|
NtCurrentTeb()->Peb->GdiSharedHandleTable = &gdi_shared;
|
|
}
|
|
|
|
HGDIOBJ get_stock_object( INT obj )
|
|
{
|
|
assert( obj >= 0 && obj <= STOCK_LAST + 1 && obj != 9 );
|
|
|
|
switch (obj)
|
|
{
|
|
case OEM_FIXED_FONT:
|
|
if (get_system_dpi() != 96) obj = 9;
|
|
break;
|
|
case SYSTEM_FONT:
|
|
if (get_system_dpi() != 96) obj = STOCK_LAST + 2;
|
|
break;
|
|
case SYSTEM_FIXED_FONT:
|
|
if (get_system_dpi() != 96) obj = STOCK_LAST + 3;
|
|
break;
|
|
case DEFAULT_GUI_FONT:
|
|
if (get_system_dpi() != 96) obj = STOCK_LAST + 4;
|
|
break;
|
|
}
|
|
|
|
return entry_to_handle( handle_entry( ULongToHandle( obj + FIRST_GDI_HANDLE )));
|
|
}
|
|
|
|
static void init_stock_objects( unsigned int dpi )
|
|
{
|
|
const struct DefaultFontInfo *deffonts;
|
|
unsigned int i;
|
|
HGDIOBJ obj;
|
|
|
|
/* Create stock objects in order matching stock object macros,
|
|
* so that they use predictable handle slots. Our GetStockObject
|
|
* depends on it. */
|
|
create_brush( &WhiteBrush );
|
|
create_brush( &LtGrayBrush );
|
|
create_brush( &GrayBrush );
|
|
create_brush( &DkGrayBrush );
|
|
create_brush( &BlackBrush );
|
|
create_brush( &NullBrush );
|
|
|
|
create_pen( PS_SOLID, 0, RGB(255,255,255) );
|
|
create_pen( PS_SOLID, 0, RGB(0,0,0) );
|
|
create_pen( PS_NULL, 0, RGB(0,0,0) );
|
|
|
|
/* slot 9 is not used for non-scaled stock objects */
|
|
create_scaled_font( &OEMFixedFont, dpi );
|
|
|
|
/* language-independent stock fonts */
|
|
create_font( &OEMFixedFont );
|
|
create_font( &AnsiFixedFont );
|
|
create_font( &AnsiVarFont );
|
|
|
|
/* language-dependent stock fonts */
|
|
deffonts = get_default_fonts(get_default_charset());
|
|
create_font( &deffonts->SystemFont );
|
|
create_font( &deffonts->DeviceDefaultFont );
|
|
|
|
PALETTE_Init();
|
|
|
|
create_font( &deffonts->SystemFixedFont );
|
|
create_font( &deffonts->DefaultGuiFont );
|
|
|
|
create_brush( &DCBrush );
|
|
NtGdiCreatePen( PS_SOLID, 0, RGB(0,0,0), NULL );
|
|
|
|
obj = NtGdiCreateBitmap( 1, 1, 1, 1, NULL );
|
|
|
|
assert( (HandleToULong( obj ) & 0xffff) == FIRST_GDI_HANDLE + DEFAULT_BITMAP );
|
|
|
|
create_scaled_font( &deffonts->SystemFont, dpi );
|
|
create_scaled_font( &deffonts->SystemFixedFont, dpi );
|
|
create_scaled_font( &deffonts->DefaultGuiFont, dpi );
|
|
|
|
/* clear the NOSYSTEM bit on all stock objects*/
|
|
for (i = 0; i < STOCK_LAST + 5; i++)
|
|
{
|
|
GDI_HANDLE_ENTRY *entry = &gdi_shared.Handles[FIRST_GDI_HANDLE + i];
|
|
entry_obj( entry )->system = TRUE;
|
|
entry->StockFlag = 1;
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* DllMain
|
|
*
|
|
* GDI initialization.
|
|
*/
|
|
BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
|
|
{
|
|
unsigned int dpi;
|
|
|
|
if (reason != DLL_PROCESS_ATTACH) return TRUE;
|
|
|
|
gdi32_module = inst;
|
|
DisableThreadLibraryCalls( inst );
|
|
NtQuerySystemInformation( SystemBasicInformation, &system_info, sizeof(system_info), NULL );
|
|
set_gdi_shared();
|
|
dpi = font_init();
|
|
init_stock_objects( dpi );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static const char *gdi_obj_type( unsigned type )
|
|
{
|
|
switch ( type )
|
|
{
|
|
case NTGDI_OBJ_PEN: return "NTGDI_OBJ_PEN";
|
|
case NTGDI_OBJ_BRUSH: return "NTGDI_OBJ_BRUSH";
|
|
case NTGDI_OBJ_DC: return "NTGDI_OBJ_DC";
|
|
case NTGDI_OBJ_METADC: return "NTGDI_OBJ_METADC";
|
|
case NTGDI_OBJ_PAL: return "NTGDI_OBJ_PAL";
|
|
case NTGDI_OBJ_FONT: return "NTGDI_OBJ_FONT";
|
|
case NTGDI_OBJ_BITMAP: return "NTGDI_OBJ_BITMAP";
|
|
case NTGDI_OBJ_REGION: return "NTGDI_OBJ_REGION";
|
|
case NTGDI_OBJ_METAFILE: return "NTGDI_OBJ_METAFILE";
|
|
case NTGDI_OBJ_MEMDC: return "NTGDI_OBJ_MEMDC";
|
|
case NTGDI_OBJ_EXTPEN: return "NTGDI_OBJ_EXTPEN";
|
|
case NTGDI_OBJ_ENHMETADC: return "NTGDI_OBJ_ENHMETADC";
|
|
case NTGDI_OBJ_ENHMETAFILE: return "NTGDI_OBJ_ENHMETAFILE";
|
|
default: return "UNKNOWN";
|
|
}
|
|
}
|
|
|
|
static void dump_gdi_objects( void )
|
|
{
|
|
GDI_HANDLE_ENTRY *entry;
|
|
|
|
TRACE( "%u objects:\n", GDI_MAX_HANDLE_COUNT );
|
|
|
|
EnterCriticalSection( &gdi_section );
|
|
for (entry = gdi_shared.Handles; entry < next_unused; entry++)
|
|
{
|
|
if (!entry->Type)
|
|
TRACE( "handle %p FREE\n", entry_to_handle( entry ));
|
|
else
|
|
TRACE( "handle %p obj %s type %s selcount %u deleted %u\n",
|
|
entry_to_handle( entry ), wine_dbgstr_longlong( entry->Object ),
|
|
gdi_obj_type( entry->ExtType << NTGDI_HANDLE_TYPE_SHIFT ),
|
|
entry_obj( entry )->selcount, entry_obj( entry )->deleted );
|
|
}
|
|
LeaveCriticalSection( &gdi_section );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* alloc_gdi_handle
|
|
*
|
|
* Allocate a GDI handle for an object, which must have been allocated on the process heap.
|
|
*/
|
|
HGDIOBJ alloc_gdi_handle( struct gdi_obj_header *obj, DWORD type, const struct gdi_obj_funcs *funcs )
|
|
{
|
|
GDI_HANDLE_ENTRY *entry;
|
|
HGDIOBJ ret;
|
|
|
|
assert( type ); /* type 0 is reserved to mark free entries */
|
|
|
|
EnterCriticalSection( &gdi_section );
|
|
|
|
entry = next_free;
|
|
if (entry)
|
|
next_free = (GDI_HANDLE_ENTRY *)(UINT_PTR)entry->Object;
|
|
else if (next_unused < gdi_shared.Handles + GDI_MAX_HANDLE_COUNT)
|
|
entry = next_unused++;
|
|
else
|
|
{
|
|
LeaveCriticalSection( &gdi_section );
|
|
ERR( "out of GDI object handles, expect a crash\n" );
|
|
if (TRACE_ON(gdi)) dump_gdi_objects();
|
|
return 0;
|
|
}
|
|
obj->funcs = funcs;
|
|
obj->selcount = 0;
|
|
obj->system = 0;
|
|
obj->deleted = 0;
|
|
entry->Object = (UINT_PTR)obj;
|
|
entry->ExtType = type >> NTGDI_HANDLE_TYPE_SHIFT;
|
|
entry->Type = entry->ExtType & 0x1f;
|
|
if (++entry->Generation == 0xff) entry->Generation = 1;
|
|
ret = entry_to_handle( entry );
|
|
LeaveCriticalSection( &gdi_section );
|
|
TRACE( "allocated %s %p %u/%u\n", gdi_obj_type(type), ret,
|
|
InterlockedIncrement( &debug_count ), GDI_MAX_HANDLE_COUNT );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* free_gdi_handle
|
|
*
|
|
* Free a GDI handle and return a pointer to the object.
|
|
*/
|
|
void *free_gdi_handle( HGDIOBJ handle )
|
|
{
|
|
void *object = NULL;
|
|
GDI_HANDLE_ENTRY *entry;
|
|
|
|
EnterCriticalSection( &gdi_section );
|
|
if ((entry = handle_entry( handle )))
|
|
{
|
|
TRACE( "freed %s %p %u/%u\n", gdi_obj_type( entry->ExtType << NTGDI_HANDLE_TYPE_SHIFT ),
|
|
handle, InterlockedDecrement( &debug_count ) + 1, GDI_MAX_HANDLE_COUNT );
|
|
object = entry_obj( entry );
|
|
entry->Type = 0;
|
|
entry->Object = (UINT_PTR)next_free;
|
|
next_free = entry;
|
|
}
|
|
LeaveCriticalSection( &gdi_section );
|
|
return object;
|
|
}
|
|
|
|
DWORD get_gdi_object_type( HGDIOBJ obj )
|
|
{
|
|
GDI_HANDLE_ENTRY *entry = handle_entry( obj );
|
|
return entry ? entry->ExtType << NTGDI_HANDLE_TYPE_SHIFT : 0;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* get_any_obj_ptr
|
|
*
|
|
* Return a pointer to, and the type of, the GDI object
|
|
* associated with the handle.
|
|
* The object must be released with GDI_ReleaseObj.
|
|
*/
|
|
void *get_any_obj_ptr( HGDIOBJ handle, DWORD *type )
|
|
{
|
|
void *ptr = NULL;
|
|
GDI_HANDLE_ENTRY *entry;
|
|
|
|
EnterCriticalSection( &gdi_section );
|
|
|
|
if ((entry = handle_entry( handle )))
|
|
{
|
|
ptr = entry_obj( entry );
|
|
*type = entry->ExtType << NTGDI_HANDLE_TYPE_SHIFT;
|
|
}
|
|
|
|
if (!ptr) LeaveCriticalSection( &gdi_section );
|
|
return ptr;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GDI_GetObjPtr
|
|
*
|
|
* Return a pointer to the GDI object associated with the handle.
|
|
* Return NULL if the object has the wrong type.
|
|
* The object must be released with GDI_ReleaseObj.
|
|
*/
|
|
void *GDI_GetObjPtr( HGDIOBJ handle, DWORD type )
|
|
{
|
|
DWORD ret_type;
|
|
void *ptr = get_any_obj_ptr( handle, &ret_type );
|
|
if (ptr && ret_type != type)
|
|
{
|
|
GDI_ReleaseObj( handle );
|
|
ptr = NULL;
|
|
}
|
|
return ptr;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GDI_ReleaseObj
|
|
*
|
|
*/
|
|
void GDI_ReleaseObj( HGDIOBJ handle )
|
|
{
|
|
LeaveCriticalSection( &gdi_section );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GDI_CheckNotLock
|
|
*/
|
|
void GDI_CheckNotLock(void)
|
|
{
|
|
if (RtlIsCriticalSectionLockedByThread(&gdi_section))
|
|
{
|
|
ERR( "BUG: holding GDI lock\n" );
|
|
assert( 0 );
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* NtGdiDeleteObjectApp (win32u.@)
|
|
*
|
|
* Delete a Gdi object.
|
|
*
|
|
* PARAMS
|
|
* obj [I] Gdi object to delete
|
|
*
|
|
* RETURNS
|
|
* Success: TRUE. If obj was not returned from GetStockObject(), any resources
|
|
* it consumed are released.
|
|
* Failure: FALSE, if obj is not a valid Gdi object, or is currently selected
|
|
* into a DC.
|
|
*/
|
|
BOOL WINAPI NtGdiDeleteObjectApp( HGDIOBJ obj )
|
|
{
|
|
GDI_HANDLE_ENTRY *entry;
|
|
const struct gdi_obj_funcs *funcs = NULL;
|
|
struct gdi_obj_header *header;
|
|
|
|
EnterCriticalSection( &gdi_section );
|
|
if (!(entry = handle_entry( obj )))
|
|
{
|
|
LeaveCriticalSection( &gdi_section );
|
|
return FALSE;
|
|
}
|
|
|
|
header = entry_obj( entry );
|
|
if (header->system)
|
|
{
|
|
TRACE("Preserving system object %p\n", obj);
|
|
LeaveCriticalSection( &gdi_section );
|
|
return TRUE;
|
|
}
|
|
|
|
obj = entry_to_handle( entry ); /* make it a full handle */
|
|
|
|
if (header->selcount)
|
|
{
|
|
TRACE("delayed for %p because object in use, count %u\n", obj, header->selcount );
|
|
header->deleted = 1; /* mark for delete */
|
|
}
|
|
else funcs = header->funcs;
|
|
|
|
LeaveCriticalSection( &gdi_section );
|
|
|
|
TRACE("%p\n", obj );
|
|
|
|
if (funcs && funcs->pDeleteObject) return funcs->pDeleteObject( obj );
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtGdiCreateClientObj (win32u.@)
|
|
*/
|
|
HANDLE WINAPI NtGdiCreateClientObj( ULONG type )
|
|
{
|
|
struct gdi_obj_header *obj;
|
|
HGDIOBJ handle;
|
|
|
|
if (!(obj = HeapAlloc( GetProcessHeap(), 0, sizeof(*obj) )))
|
|
return 0;
|
|
|
|
handle = alloc_gdi_handle( obj, type, NULL );
|
|
if (!handle) HeapFree( GetProcessHeap(), 0, obj );
|
|
return handle;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtGdiDeleteClientObj (win32u.@)
|
|
*/
|
|
BOOL WINAPI NtGdiDeleteClientObj( HGDIOBJ handle )
|
|
{
|
|
void *obj;
|
|
if (!(obj = free_gdi_handle( handle ))) return FALSE;
|
|
HeapFree( GetProcessHeap(), 0, obj );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* NtGdiExtGetObjectW (win32u.@)
|
|
*/
|
|
INT WINAPI NtGdiExtGetObjectW( HGDIOBJ handle, INT count, void *buffer )
|
|
{
|
|
GDI_HANDLE_ENTRY *entry;
|
|
const struct gdi_obj_funcs *funcs = NULL;
|
|
INT result = 0;
|
|
|
|
TRACE("%p %d %p\n", handle, count, buffer );
|
|
|
|
EnterCriticalSection( &gdi_section );
|
|
if ((entry = handle_entry( handle )))
|
|
{
|
|
funcs = entry_obj( entry )->funcs;
|
|
handle = entry_to_handle( entry ); /* make it a full handle */
|
|
}
|
|
LeaveCriticalSection( &gdi_section );
|
|
|
|
if (funcs && funcs->pGetObjectW)
|
|
{
|
|
if (buffer && ((ULONG_PTR)buffer >> 16) == 0) /* catch apps getting argument order wrong */
|
|
SetLastError( ERROR_NOACCESS );
|
|
else
|
|
result = funcs->pGetObjectW( handle, count, buffer );
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtGdiGetDCObject (win32u.@)
|
|
*
|
|
* Get the currently selected object of a given type in a device context.
|
|
*/
|
|
HANDLE WINAPI NtGdiGetDCObject( HDC hdc, UINT type )
|
|
{
|
|
HGDIOBJ ret = 0;
|
|
DC *dc;
|
|
|
|
if (!(dc = get_dc_ptr( hdc ))) return 0;
|
|
|
|
switch (type)
|
|
{
|
|
case NTGDI_OBJ_EXTPEN: /* fall through */
|
|
case NTGDI_OBJ_PEN: ret = dc->hPen; break;
|
|
case NTGDI_OBJ_BRUSH: ret = dc->hBrush; break;
|
|
case NTGDI_OBJ_PAL: ret = dc->hPalette; break;
|
|
case NTGDI_OBJ_FONT: ret = dc->hFont; break;
|
|
case NTGDI_OBJ_SURF: ret = dc->hBitmap; break;
|
|
default:
|
|
FIXME( "(%p, %d): unknown type.\n", hdc, type );
|
|
break;
|
|
}
|
|
release_dc_ptr( dc );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* NtGdiUnrealizeObject (win32u.@)
|
|
*/
|
|
BOOL WINAPI NtGdiUnrealizeObject( HGDIOBJ obj )
|
|
{
|
|
const struct gdi_obj_funcs *funcs = NULL;
|
|
GDI_HANDLE_ENTRY *entry;
|
|
|
|
EnterCriticalSection( &gdi_section );
|
|
if ((entry = handle_entry( obj )))
|
|
{
|
|
funcs = entry_obj( entry )->funcs;
|
|
obj = entry_to_handle( entry ); /* make it a full handle */
|
|
}
|
|
LeaveCriticalSection( &gdi_section );
|
|
|
|
if (funcs && funcs->pUnrealizeObject) return funcs->pUnrealizeObject( obj );
|
|
return funcs != NULL;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* NtGdiFlush (win32u.@)
|
|
*/
|
|
BOOL WINAPI NtGdiFlush(void)
|
|
{
|
|
return TRUE; /* FIXME */
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* NtGdiGetColorAdjustment (win32u.@)
|
|
*/
|
|
BOOL WINAPI NtGdiGetColorAdjustment( HDC hdc, COLORADJUSTMENT *ca )
|
|
{
|
|
FIXME( "stub\n" );
|
|
return FALSE;
|
|
}
|
|
|
|
/*******************************************************************
|
|
* NtGdiSetColorAdjustment (win32u.@)
|
|
*/
|
|
BOOL WINAPI NtGdiSetColorAdjustment( HDC hdc, const COLORADJUSTMENT *ca )
|
|
{
|
|
FIXME( "stub\n" );
|
|
return FALSE;
|
|
}
|