615 lines
18 KiB
C
615 lines
18 KiB
C
/*
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* GDI functions
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*
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* Copyright 1993 Alexandre Julliard
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* Copyright 2021 Jacek Caban for CodeWeavers
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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 "gdi_private.h"
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#include "winnls.h"
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#include "winternl.h"
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#include "wine/rbtree.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(gdi);
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struct hdc_list
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{
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HDC hdc;
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void (*delete)( HDC hdc, HGDIOBJ handle );
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struct hdc_list *next;
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};
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struct obj_map_entry
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{
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struct wine_rb_entry entry;
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struct hdc_list *list;
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HGDIOBJ obj;
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};
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static CRITICAL_SECTION obj_map_cs;
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static CRITICAL_SECTION_DEBUG obj_map_debug =
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{
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0, 0, &obj_map_cs,
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{ &obj_map_debug.ProcessLocksList, &obj_map_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": obj_map_cs") }
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};
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static CRITICAL_SECTION obj_map_cs = { &obj_map_debug, -1, 0, 0, 0, 0 };
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static GDI_SHARED_MEMORY *get_gdi_shared(void)
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{
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#ifndef _WIN64
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if (NtCurrentTeb()->GdiBatchCount)
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{
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TEB64 *teb64 = (TEB64 *)(UINT_PTR)NtCurrentTeb()->GdiBatchCount;
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PEB64 *peb64 = (PEB64 *)(UINT_PTR)teb64->Peb;
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return (GDI_SHARED_MEMORY *)(UINT_PTR)peb64->GdiSharedHandleTable;
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}
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#endif
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return (GDI_SHARED_MEMORY *)NtCurrentTeb()->Peb->GdiSharedHandleTable;
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}
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static BOOL is_stock_object( HGDIOBJ obj )
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{
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unsigned int handle = HandleToULong( obj );
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return !!(handle & NTGDI_HANDLE_STOCK_OBJECT);
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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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GDI_SHARED_MEMORY *gdi_shared = get_gdi_shared();
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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 WORD get_object_type( HGDIOBJ obj )
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{
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GDI_HANDLE_ENTRY *entry = handle_entry( obj );
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return entry ? entry->ExtType : 0;
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}
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void set_gdi_client_ptr( HGDIOBJ obj, void *ptr )
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{
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GDI_HANDLE_ENTRY *entry = handle_entry( obj );
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if (entry) entry->UserPointer = (UINT_PTR)ptr;
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}
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void *get_gdi_client_ptr( HGDIOBJ obj, WORD type )
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{
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GDI_HANDLE_ENTRY *entry = handle_entry( obj );
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if (!entry || (type && entry->ExtType != type) || !entry->UserPointer)
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return NULL;
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return (void *)(UINT_PTR)entry->UserPointer;
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}
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/***********************************************************************
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* GetObjectType (GDI32.@)
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*/
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DWORD WINAPI GetObjectType( HGDIOBJ handle )
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{
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DWORD type = get_object_type( handle );
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TRACE( "%p -> %u\n", handle, type );
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switch (type)
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{
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case NTGDI_OBJ_PEN: return OBJ_PEN;
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case NTGDI_OBJ_BRUSH: return OBJ_BRUSH;
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case NTGDI_OBJ_DC: return OBJ_DC;
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case NTGDI_OBJ_METADC: return OBJ_METADC;
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case NTGDI_OBJ_PAL: return OBJ_PAL;
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case NTGDI_OBJ_FONT: return OBJ_FONT;
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case NTGDI_OBJ_BITMAP: return OBJ_BITMAP;
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case NTGDI_OBJ_REGION: return OBJ_REGION;
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case NTGDI_OBJ_METAFILE: return OBJ_METAFILE;
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case NTGDI_OBJ_MEMDC: return OBJ_MEMDC;
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case NTGDI_OBJ_EXTPEN: return OBJ_EXTPEN;
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case NTGDI_OBJ_ENHMETADC: return OBJ_ENHMETADC;
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case NTGDI_OBJ_ENHMETAFILE: return OBJ_ENHMETAFILE;
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default:
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SetLastError( ERROR_INVALID_HANDLE );
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return 0;
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}
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}
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static int obj_map_cmp( const void *key, const struct wine_rb_entry *entry )
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{
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struct obj_map_entry *obj_entry = WINE_RB_ENTRY_VALUE( entry, struct obj_map_entry, entry );
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return HandleToLong( key ) - HandleToLong( obj_entry->obj );
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};
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struct wine_rb_tree obj_map = { obj_map_cmp };
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/***********************************************************************
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* DeleteObject (GDI32.@)
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*
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* Delete a Gdi object.
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*/
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BOOL WINAPI DeleteObject( HGDIOBJ obj )
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{
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struct hdc_list *hdc_list = NULL;
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struct wine_rb_entry *entry;
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if (is_meta_dc( obj )) return METADC_DeleteDC( obj );
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EnterCriticalSection( &obj_map_cs );
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if ((entry = wine_rb_get( &obj_map, obj )))
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{
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struct obj_map_entry *obj_entry = WINE_RB_ENTRY_VALUE( entry, struct obj_map_entry, entry );
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wine_rb_remove( &obj_map, entry );
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hdc_list = obj_entry->list;
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HeapFree( GetProcessHeap(), 0, obj_entry );
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}
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LeaveCriticalSection( &obj_map_cs );
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while (hdc_list)
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{
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struct hdc_list *next = hdc_list->next;
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TRACE( "hdc %p has interest in %p\n", hdc_list->hdc, obj );
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hdc_list->delete( hdc_list->hdc, obj );
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HeapFree( GetProcessHeap(), 0, hdc_list );
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hdc_list = next;
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}
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return NtGdiDeleteObjectApp( obj );
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}
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/***********************************************************************
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* GDI_hdc_using_object
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*
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* Call this if the dc requires DeleteObject notification
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*/
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void GDI_hdc_using_object( HGDIOBJ obj, HDC hdc, void (*delete)( HDC hdc, HGDIOBJ handle ))
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{
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struct hdc_list *hdc_list;
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GDI_HANDLE_ENTRY *entry;
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TRACE( "obj %p hdc %p\n", obj, hdc );
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EnterCriticalSection( &obj_map_cs );
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if (!is_stock_object( obj ) && (entry = handle_entry( obj )))
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{
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struct obj_map_entry *map_entry;
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struct wine_rb_entry *entry;
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if (!(entry = wine_rb_get( &obj_map, obj )))
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{
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if (!(map_entry = HeapAlloc( GetProcessHeap(), 0, sizeof(*map_entry) )))
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{
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LeaveCriticalSection( &obj_map_cs );
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return;
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}
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map_entry->obj = obj;
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map_entry->list = NULL;
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wine_rb_put( &obj_map, obj, &map_entry->entry );
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}
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else map_entry = WINE_RB_ENTRY_VALUE( entry, struct obj_map_entry, entry );
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for (hdc_list = map_entry->list; hdc_list; hdc_list = hdc_list->next)
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if (hdc_list->hdc == hdc) break;
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if (!hdc_list)
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{
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if (!(hdc_list = HeapAlloc( GetProcessHeap(), 0, sizeof(*hdc_list) )))
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{
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LeaveCriticalSection( &obj_map_cs );
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return;
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}
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hdc_list->hdc = hdc;
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hdc_list->delete = delete;
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hdc_list->next = map_entry->list;
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map_entry->list = hdc_list;
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}
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}
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LeaveCriticalSection( &obj_map_cs );
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}
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/***********************************************************************
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* GDI_hdc_not_using_object
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*
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*/
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void GDI_hdc_not_using_object( HGDIOBJ obj, HDC hdc )
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{
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struct wine_rb_entry *entry;
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TRACE( "obj %p hdc %p\n", obj, hdc );
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EnterCriticalSection( &obj_map_cs );
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if ((entry = wine_rb_get( &obj_map, obj )))
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{
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struct obj_map_entry *map_entry = WINE_RB_ENTRY_VALUE( entry, struct obj_map_entry, entry );
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struct hdc_list **list_ptr, *hdc_list;
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for (list_ptr = &map_entry->list; *list_ptr; list_ptr = &(*list_ptr)->next)
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{
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if ((*list_ptr)->hdc != hdc) continue;
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hdc_list = *list_ptr;
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*list_ptr = hdc_list->next;
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HeapFree( GetProcessHeap(), 0, hdc_list );
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if (list_ptr == &map_entry->list && !*list_ptr)
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{
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wine_rb_remove( &obj_map, &map_entry->entry );
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HeapFree( GetProcessHeap(), 0, map_entry );
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}
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break;
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}
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}
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LeaveCriticalSection( &obj_map_cs );
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}
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/***********************************************************************
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* SelectObject (GDI32.@)
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*
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* Select a Gdi object into a device context.
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*/
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HGDIOBJ WINAPI SelectObject( HDC hdc, HGDIOBJ obj )
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{
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DC_ATTR *dc_attr;
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HGDIOBJ ret;
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TRACE( "(%p,%p)\n", hdc, obj );
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if (is_meta_dc( hdc )) return METADC_SelectObject( hdc, obj );
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if (!(dc_attr = get_dc_attr( hdc ))) return 0;
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if (dc_attr->emf && !EMFDC_SelectObject( dc_attr, obj )) return 0;
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switch (get_object_type( obj ))
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{
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case NTGDI_OBJ_PEN:
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case NTGDI_OBJ_EXTPEN:
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ret = NtGdiSelectPen( hdc, obj );
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break;
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case NTGDI_OBJ_BRUSH:
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ret = NtGdiSelectBrush( hdc, obj );
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break;
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case NTGDI_OBJ_FONT:
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ret = NtGdiSelectFont( hdc, obj );
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break;
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case NTGDI_OBJ_BITMAP:
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ret = NtGdiSelectBitmap( hdc, obj );
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break;
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case NTGDI_OBJ_REGION:
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ret = ULongToHandle(SelectClipRgn( hdc, obj ));
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break;
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default:
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return 0;
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}
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if (!ret) SetLastError( ERROR_INVALID_HANDLE );
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return ret;
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}
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/***********************************************************************
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* GetObjectW (GDI32.@)
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*/
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INT WINAPI GetObjectW( HGDIOBJ handle, INT count, void *buffer )
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{
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int result;
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TRACE( "%p %d %p\n", handle, count, buffer );
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result = NtGdiExtGetObjectW( handle, count, buffer );
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if (!result && count)
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{
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switch(get_object_type( handle ))
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{
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case 0:
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case NTGDI_OBJ_BITMAP:
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case NTGDI_OBJ_BRUSH:
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case NTGDI_OBJ_FONT:
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case NTGDI_OBJ_PAL:
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case NTGDI_OBJ_PEN:
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case NTGDI_OBJ_EXTPEN:
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break;
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default:
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SetLastError( ERROR_INVALID_HANDLE );
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}
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}
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return result;
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}
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/***********************************************************************
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* GetObjectA (GDI32.@)
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*/
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INT WINAPI GetObjectA( HGDIOBJ handle, INT count, void *buffer )
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{
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TRACE("%p %d %p\n", handle, count, buffer );
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if (get_object_type( handle ) == NTGDI_OBJ_FONT)
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{
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LOGFONTA *lfA = buffer;
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LOGFONTW lf;
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if (!buffer) return sizeof(*lfA);
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if (!GetObjectW( handle, sizeof(lf), &lf )) return 0;
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if (count > sizeof(*lfA)) count = sizeof(*lfA);
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memcpy( lfA, &lf, min( count, FIELD_OFFSET(LOGFONTA, lfFaceName) ));
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if (count > FIELD_OFFSET(LOGFONTA, lfFaceName))
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{
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WideCharToMultiByte( CP_ACP, 0, lf.lfFaceName, -1, lfA->lfFaceName,
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count - FIELD_OFFSET(LOGFONTA, lfFaceName), NULL, NULL );
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if (count == sizeof(*lfA)) lfA->lfFaceName[LF_FACESIZE - 1] = 0;
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}
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return count;
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}
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return GetObjectW( handle, count, buffer );
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}
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/***********************************************************************
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* CreatePenIndirect (GDI32.@)
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*/
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HPEN WINAPI CreatePenIndirect( const LOGPEN *pen )
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{
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return CreatePen( pen->lopnStyle, pen->lopnWidth.x, pen->lopnColor );
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}
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/***********************************************************************
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* CreatePen (GDI32.@)
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*/
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HPEN WINAPI CreatePen( INT style, INT width, COLORREF color )
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{
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if (style < 0 || style > PS_INSIDEFRAME) style = PS_SOLID;
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return NtGdiCreatePen( style, width, color, NULL );
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}
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/***********************************************************************
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* CreateBitmapIndirect (GDI32.@)
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*/
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HBITMAP WINAPI CreateBitmapIndirect( const BITMAP *bmp )
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{
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if (!bmp || bmp->bmType)
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return NULL;
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}
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return CreateBitmap( bmp->bmWidth, bmp->bmHeight, bmp->bmPlanes,
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bmp->bmBitsPixel, bmp->bmBits );
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}
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/******************************************************************************
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* CreateBitmap (GDI32.@)
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*
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* Creates a bitmap with the specified info.
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*/
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HBITMAP WINAPI CreateBitmap( INT width, INT height, UINT planes,
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UINT bpp, const void *bits )
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{
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if (!width || !height)
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return GetStockObject( STOCK_LAST + 1 ); /* default 1x1 bitmap */
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return NtGdiCreateBitmap( width, height, planes, bpp, bits );
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}
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/******************************************************************************
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* CreateDiscardableBitmap (GDI32.@)
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*
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* Creates a discardable bitmap.
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*/
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HBITMAP WINAPI CreateDiscardableBitmap( HDC hdc, INT width, INT height )
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{
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return CreateCompatibleBitmap( hdc, width, height );
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}
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/***********************************************************************
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* ExtCreateRegion (GDI32.@)
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*
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* Creates a region as specified by the transformation data and region data.
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*/
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HRGN WINAPI ExtCreateRegion( const XFORM *xform, DWORD count, const RGNDATA *data )
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{
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if (!data)
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return 0;
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}
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return NtGdiExtCreateRegion( xform, count, data );
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}
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/***********************************************************************
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* CreatePolyPolygonRgn (GDI32.@)
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*/
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HRGN WINAPI CreatePolyPolygonRgn( const POINT *points, const INT *counts, INT count, INT mode )
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{
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ULONG ret = NtGdiPolyPolyDraw( ULongToHandle(mode), points, (const UINT *)counts,
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count, NtGdiPolyPolygonRgn );
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return ULongToHandle( ret );
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}
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/***********************************************************************
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* CreateRectRgnIndirect (GDI32.@)
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*
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* Creates a simple rectangular region.
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*/
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HRGN WINAPI CreateRectRgnIndirect( const RECT* rect )
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{
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return NtGdiCreateRectRgn( rect->left, rect->top, rect->right, rect->bottom );
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}
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/***********************************************************************
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* CreateEllipticRgnIndirect (GDI32.@)
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*
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* Creates an elliptical region.
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*/
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HRGN WINAPI CreateEllipticRgnIndirect( const RECT *rect )
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{
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return NtGdiCreateEllipticRgn( rect->left, rect->top, rect->right, rect->bottom );
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}
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/***********************************************************************
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* CreatePolygonRgn (GDI32.@)
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*/
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HRGN WINAPI CreatePolygonRgn( const POINT *points, INT count, INT mode )
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{
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return CreatePolyPolygonRgn( points, &count, 1, mode );
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}
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/***********************************************************************
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* CreateColorSpaceA (GDI32.@)
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*/
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HCOLORSPACE WINAPI CreateColorSpaceA( LOGCOLORSPACEA *cs )
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{
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FIXME( "stub\n" );
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return 0;
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}
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/***********************************************************************
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* CreateColorSpaceW (GDI32.@)
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*/
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HCOLORSPACE WINAPI CreateColorSpaceW( LOGCOLORSPACEW *cs )
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{
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FIXME( "stub\n" );
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return 0;
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}
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/***********************************************************************
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* DeleteColorSpace (GDI32.@)
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*/
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BOOL WINAPI DeleteColorSpace( HCOLORSPACE cs )
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{
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FIXME( "stub\n" );
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return TRUE;
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}
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/***********************************************************************
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* GetColorSpace (GDI32.@)
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*/
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HCOLORSPACE WINAPI GetColorSpace( HDC hdc )
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{
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FIXME( "stub\n" );
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return 0;
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}
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/***********************************************************************
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* SetColorSpace (GDI32.@)
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*/
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HCOLORSPACE WINAPI SetColorSpace( HDC hdc, HCOLORSPACE cs )
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|
{
|
|
FIXME( "stub\n" );
|
|
return cs;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreatePalette (GDI32.@)
|
|
*/
|
|
HPALETTE WINAPI CreatePalette( const LOGPALETTE *palette )
|
|
{
|
|
if (!palette) return 0;
|
|
return NtGdiCreatePaletteInternal( palette, palette->palNumEntries );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetPaletteEntries (GDI32.@)
|
|
*/
|
|
UINT WINAPI GetPaletteEntries( HPALETTE palette, UINT start, UINT count, PALETTEENTRY *entries )
|
|
{
|
|
return NtGdiDoPalette( palette, start, count, entries, NtGdiGetPaletteEntries, TRUE );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SetPaletteEntries (GDI32.@)
|
|
*/
|
|
UINT WINAPI SetPaletteEntries( HPALETTE palette, UINT start, UINT count,
|
|
const PALETTEENTRY *entries )
|
|
{
|
|
return NtGdiDoPalette( palette, start, count, (void *)entries, NtGdiSetPaletteEntries, FALSE );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* AnimatePalette (GDI32.@)
|
|
*/
|
|
BOOL WINAPI AnimatePalette( HPALETTE palette, UINT start, UINT count, const PALETTEENTRY *entries )
|
|
{
|
|
return NtGdiDoPalette( palette, start, count, (void *)entries, NtGdiAnimatePalette, FALSE );
|
|
}
|
|
|
|
/* first and last 10 entries are the default system palette entries */
|
|
static const PALETTEENTRY default_system_palette_low[] =
|
|
{
|
|
{ 0x00, 0x00, 0x00 }, { 0x80, 0x00, 0x00 }, { 0x00, 0x80, 0x00 }, { 0x80, 0x80, 0x00 },
|
|
{ 0x00, 0x00, 0x80 }, { 0x80, 0x00, 0x80 }, { 0x00, 0x80, 0x80 }, { 0xc0, 0xc0, 0xc0 },
|
|
{ 0xc0, 0xdc, 0xc0 }, { 0xa6, 0xca, 0xf0 }
|
|
};
|
|
static const PALETTEENTRY default_system_palette_high[] =
|
|
{
|
|
{ 0xff, 0xfb, 0xf0 }, { 0xa0, 0xa0, 0xa4 }, { 0x80, 0x80, 0x80 }, { 0xff, 0x00, 0x00 },
|
|
{ 0x00, 0xff, 0x00 }, { 0xff, 0xff, 0x00 }, { 0x00, 0x00, 0xff }, { 0xff, 0x00, 0xff },
|
|
{ 0x00, 0xff, 0xff }, { 0xff, 0xff, 0xff }
|
|
};
|
|
|
|
/***********************************************************************
|
|
* GetSystemPaletteEntries (GDI32.@)
|
|
*
|
|
* Gets range of palette entries.
|
|
*/
|
|
UINT WINAPI GetSystemPaletteEntries( HDC hdc, UINT start, UINT count, PALETTEENTRY *entries )
|
|
{
|
|
UINT i, ret;
|
|
|
|
ret = NtGdiDoPalette( hdc, start, count, (void *)entries,
|
|
NtGdiGetSystemPaletteEntries, FALSE );
|
|
if (ret) return ret;
|
|
|
|
/* always fill output, even if hdc is an invalid handle */
|
|
if (!entries || start >= 256) return 0;
|
|
if (start + count > 256) count = 256 - start;
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
if (start + i < 10)
|
|
entries[i] = default_system_palette_low[start + i];
|
|
else if (start + i >= 246)
|
|
entries[i] = default_system_palette_high[start + i - 246];
|
|
else
|
|
memset( &entries[i], 0, sizeof(entries[i]) );
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetDIBColorTable (GDI32.@)
|
|
*/
|
|
UINT WINAPI GetDIBColorTable( HDC hdc, UINT start, UINT count, RGBQUAD *colors )
|
|
{
|
|
return NtGdiDoPalette( hdc, start, count, colors, NtGdiGetDIBColorTable, TRUE );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SetDIBColorTable (GDI32.@)
|
|
*/
|
|
UINT WINAPI SetDIBColorTable( HDC hdc, UINT start, UINT count, const RGBQUAD *colors )
|
|
{
|
|
return NtGdiDoPalette( hdc, start, count, (void *)colors, NtGdiSetDIBColorTable, FALSE );
|
|
}
|