1172 lines
35 KiB
C
1172 lines
35 KiB
C
/*
|
|
* GDI functions
|
|
*
|
|
* Copyright 1993 Alexandre Julliard
|
|
* Copyright 2021 Jacek Caban for CodeWeavers
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include "ntstatus.h"
|
|
#define WIN32_NO_STATUS
|
|
#include "gdi_private.h"
|
|
#include "ntuser.h"
|
|
#include "winreg.h"
|
|
#include "winnls.h"
|
|
#include "initguid.h"
|
|
#include "devguid.h"
|
|
#include "setupapi.h"
|
|
|
|
#include "wine/rbtree.h"
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(gdi);
|
|
|
|
|
|
DEFINE_DEVPROPKEY(DEVPROPKEY_GPU_LUID, 0x60b193cb, 0x5276, 0x4d0f, 0x96, 0xfc, 0xf1, 0x73, 0xab, 0xad, 0x3e, 0xc6, 2);
|
|
|
|
#define FIRST_GDI_HANDLE 32
|
|
|
|
HMODULE gdi32_module;
|
|
|
|
struct hdc_list
|
|
{
|
|
HDC hdc;
|
|
void (*delete)( HDC hdc, HGDIOBJ handle );
|
|
struct hdc_list *next;
|
|
};
|
|
|
|
struct obj_map_entry
|
|
{
|
|
struct wine_rb_entry entry;
|
|
struct hdc_list *list;
|
|
HGDIOBJ obj;
|
|
};
|
|
|
|
static CRITICAL_SECTION obj_map_cs;
|
|
static CRITICAL_SECTION_DEBUG obj_map_debug =
|
|
{
|
|
0, 0, &obj_map_cs,
|
|
{ &obj_map_debug.ProcessLocksList, &obj_map_debug.ProcessLocksList },
|
|
0, 0, { (DWORD_PTR)(__FILE__ ": obj_map_cs") }
|
|
};
|
|
static CRITICAL_SECTION obj_map_cs = { &obj_map_debug, -1, 0, 0, 0, 0 };
|
|
|
|
static GDI_SHARED_MEMORY *get_gdi_shared(void)
|
|
{
|
|
#ifndef _WIN64
|
|
if (NtCurrentTeb()->GdiBatchCount)
|
|
{
|
|
TEB64 *teb64 = (TEB64 *)(UINT_PTR)NtCurrentTeb()->GdiBatchCount;
|
|
PEB64 *peb64 = (PEB64 *)(UINT_PTR)teb64->Peb;
|
|
return (GDI_SHARED_MEMORY *)(UINT_PTR)peb64->GdiSharedHandleTable;
|
|
}
|
|
#endif
|
|
return (GDI_SHARED_MEMORY *)NtCurrentTeb()->Peb->GdiSharedHandleTable;
|
|
}
|
|
|
|
static BOOL is_stock_object( HGDIOBJ obj )
|
|
{
|
|
unsigned int handle = HandleToULong( obj );
|
|
return !!(handle & NTGDI_HANDLE_STOCK_OBJECT);
|
|
}
|
|
|
|
static inline GDI_HANDLE_ENTRY *handle_entry( HGDIOBJ handle )
|
|
{
|
|
GDI_SHARED_MEMORY *gdi_shared = get_gdi_shared();
|
|
unsigned int idx = LOWORD(handle);
|
|
|
|
if (idx < GDI_MAX_HANDLE_COUNT && gdi_shared->Handles[idx].Type)
|
|
{
|
|
if (!HIWORD( handle ) || HIWORD( handle ) == gdi_shared->Handles[idx].Unique)
|
|
return &gdi_shared->Handles[idx];
|
|
}
|
|
if (handle) WARN( "invalid handle %p\n", handle );
|
|
return NULL;
|
|
}
|
|
|
|
static HGDIOBJ entry_to_handle( GDI_HANDLE_ENTRY *entry )
|
|
{
|
|
unsigned int idx = entry - get_gdi_shared()->Handles;
|
|
return ULongToHandle( idx | (entry->Unique << NTGDI_HANDLE_TYPE_SHIFT) );
|
|
}
|
|
|
|
static DWORD get_object_type( HGDIOBJ obj )
|
|
{
|
|
GDI_HANDLE_ENTRY *entry = handle_entry( obj );
|
|
return entry ? entry->ExtType << NTGDI_HANDLE_TYPE_SHIFT : 0;
|
|
}
|
|
|
|
void set_gdi_client_ptr( HGDIOBJ obj, void *ptr )
|
|
{
|
|
GDI_HANDLE_ENTRY *entry = handle_entry( obj );
|
|
if (entry) entry->UserPointer = (UINT_PTR)ptr;
|
|
}
|
|
|
|
void *get_gdi_client_ptr( HGDIOBJ obj, DWORD type )
|
|
{
|
|
GDI_HANDLE_ENTRY *entry = handle_entry( obj );
|
|
if (!entry || (type && entry->ExtType << NTGDI_HANDLE_TYPE_SHIFT != type))
|
|
return NULL;
|
|
return (void *)(UINT_PTR)entry->UserPointer;
|
|
}
|
|
|
|
HGDIOBJ get_full_gdi_handle( HGDIOBJ obj )
|
|
{
|
|
GDI_HANDLE_ENTRY *entry = handle_entry( obj );
|
|
return entry ? entry_to_handle( entry ) : 0;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* DllMain
|
|
*
|
|
* GDI initialization.
|
|
*/
|
|
BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
|
|
{
|
|
if (reason != DLL_PROCESS_ATTACH) return TRUE;
|
|
|
|
DisableThreadLibraryCalls( inst );
|
|
gdi32_module = inst;
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetObjectType (GDI32.@)
|
|
*/
|
|
DWORD WINAPI GetObjectType( HGDIOBJ handle )
|
|
{
|
|
DWORD type = get_object_type( handle );
|
|
|
|
TRACE( "%p -> %lu\n", handle, type );
|
|
|
|
switch (type)
|
|
{
|
|
case NTGDI_OBJ_PEN: return OBJ_PEN;
|
|
case NTGDI_OBJ_BRUSH: return OBJ_BRUSH;
|
|
case NTGDI_OBJ_DC: return OBJ_DC;
|
|
case NTGDI_OBJ_METADC: return OBJ_METADC;
|
|
case NTGDI_OBJ_PAL: return OBJ_PAL;
|
|
case NTGDI_OBJ_FONT: return OBJ_FONT;
|
|
case NTGDI_OBJ_BITMAP: return OBJ_BITMAP;
|
|
case NTGDI_OBJ_REGION: return OBJ_REGION;
|
|
case NTGDI_OBJ_METAFILE: return OBJ_METAFILE;
|
|
case NTGDI_OBJ_MEMDC: return OBJ_MEMDC;
|
|
case NTGDI_OBJ_EXTPEN: return OBJ_EXTPEN;
|
|
case NTGDI_OBJ_ENHMETADC: return OBJ_ENHMETADC;
|
|
case NTGDI_OBJ_ENHMETAFILE: return OBJ_ENHMETAFILE;
|
|
default:
|
|
SetLastError( ERROR_INVALID_HANDLE );
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static int obj_map_cmp( const void *key, const struct wine_rb_entry *entry )
|
|
{
|
|
struct obj_map_entry *obj_entry = WINE_RB_ENTRY_VALUE( entry, struct obj_map_entry, entry );
|
|
UINT_PTR a = (UINT_PTR)key;
|
|
UINT_PTR b = (UINT_PTR)obj_entry->obj;
|
|
if (a > b) return 1;
|
|
if (a < b) return -1;
|
|
return 0;
|
|
};
|
|
|
|
struct wine_rb_tree obj_map = { obj_map_cmp };
|
|
|
|
/***********************************************************************
|
|
* DeleteObject (GDI32.@)
|
|
*
|
|
* Delete a Gdi object.
|
|
*/
|
|
BOOL WINAPI DeleteObject( HGDIOBJ obj )
|
|
{
|
|
struct hdc_list *hdc_list = NULL;
|
|
struct wine_rb_entry *entry;
|
|
|
|
obj = get_full_gdi_handle( obj );
|
|
switch (gdi_handle_type( obj ))
|
|
{
|
|
case NTGDI_OBJ_DC:
|
|
case NTGDI_OBJ_MEMDC:
|
|
case NTGDI_OBJ_ENHMETADC:
|
|
case NTGDI_OBJ_METADC:
|
|
return DeleteDC( obj );
|
|
}
|
|
|
|
EnterCriticalSection( &obj_map_cs );
|
|
|
|
if ((entry = wine_rb_get( &obj_map, obj )))
|
|
{
|
|
struct obj_map_entry *obj_entry = WINE_RB_ENTRY_VALUE( entry, struct obj_map_entry, entry );
|
|
wine_rb_remove( &obj_map, entry );
|
|
hdc_list = obj_entry->list;
|
|
HeapFree( GetProcessHeap(), 0, obj_entry );
|
|
}
|
|
|
|
LeaveCriticalSection( &obj_map_cs );
|
|
|
|
while (hdc_list)
|
|
{
|
|
struct hdc_list *next = hdc_list->next;
|
|
|
|
TRACE( "hdc %p has interest in %p\n", hdc_list->hdc, obj );
|
|
|
|
hdc_list->delete( hdc_list->hdc, obj );
|
|
HeapFree( GetProcessHeap(), 0, hdc_list );
|
|
hdc_list = next;
|
|
}
|
|
|
|
return NtGdiDeleteObjectApp( obj );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GDI_hdc_using_object
|
|
*
|
|
* Call this if the dc requires DeleteObject notification
|
|
*/
|
|
void GDI_hdc_using_object( HGDIOBJ obj, HDC hdc, void (*delete)( HDC hdc, HGDIOBJ handle ))
|
|
{
|
|
struct hdc_list *hdc_list;
|
|
GDI_HANDLE_ENTRY *entry;
|
|
|
|
TRACE( "obj %p hdc %p\n", obj, hdc );
|
|
|
|
EnterCriticalSection( &obj_map_cs );
|
|
if (!is_stock_object( obj ) && (entry = handle_entry( obj )))
|
|
{
|
|
struct obj_map_entry *map_entry;
|
|
struct wine_rb_entry *entry;
|
|
|
|
if (!(entry = wine_rb_get( &obj_map, obj )))
|
|
{
|
|
if (!(map_entry = HeapAlloc( GetProcessHeap(), 0, sizeof(*map_entry) )))
|
|
{
|
|
LeaveCriticalSection( &obj_map_cs );
|
|
return;
|
|
}
|
|
map_entry->obj = obj;
|
|
map_entry->list = NULL;
|
|
wine_rb_put( &obj_map, obj, &map_entry->entry );
|
|
}
|
|
else map_entry = WINE_RB_ENTRY_VALUE( entry, struct obj_map_entry, entry );
|
|
|
|
for (hdc_list = map_entry->list; hdc_list; hdc_list = hdc_list->next)
|
|
if (hdc_list->hdc == hdc) break;
|
|
|
|
if (!hdc_list)
|
|
{
|
|
if (!(hdc_list = HeapAlloc( GetProcessHeap(), 0, sizeof(*hdc_list) )))
|
|
{
|
|
LeaveCriticalSection( &obj_map_cs );
|
|
return;
|
|
}
|
|
hdc_list->hdc = hdc;
|
|
hdc_list->delete = delete;
|
|
hdc_list->next = map_entry->list;
|
|
map_entry->list = hdc_list;
|
|
}
|
|
}
|
|
LeaveCriticalSection( &obj_map_cs );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GDI_hdc_not_using_object
|
|
*
|
|
*/
|
|
void GDI_hdc_not_using_object( HGDIOBJ obj, HDC hdc )
|
|
{
|
|
struct wine_rb_entry *entry;
|
|
|
|
TRACE( "obj %p hdc %p\n", obj, hdc );
|
|
|
|
EnterCriticalSection( &obj_map_cs );
|
|
if ((entry = wine_rb_get( &obj_map, obj )))
|
|
{
|
|
struct obj_map_entry *map_entry = WINE_RB_ENTRY_VALUE( entry, struct obj_map_entry, entry );
|
|
struct hdc_list **list_ptr, *hdc_list;
|
|
|
|
for (list_ptr = &map_entry->list; *list_ptr; list_ptr = &(*list_ptr)->next)
|
|
{
|
|
if ((*list_ptr)->hdc != hdc) continue;
|
|
|
|
hdc_list = *list_ptr;
|
|
*list_ptr = hdc_list->next;
|
|
HeapFree( GetProcessHeap(), 0, hdc_list );
|
|
if (list_ptr == &map_entry->list && !*list_ptr)
|
|
{
|
|
wine_rb_remove( &obj_map, &map_entry->entry );
|
|
HeapFree( GetProcessHeap(), 0, map_entry );
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
LeaveCriticalSection( &obj_map_cs );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SelectObject (GDI32.@)
|
|
*
|
|
* Select a Gdi object into a device context.
|
|
*/
|
|
HGDIOBJ WINAPI SelectObject( HDC hdc, HGDIOBJ obj )
|
|
{
|
|
DC_ATTR *dc_attr;
|
|
HGDIOBJ ret;
|
|
|
|
TRACE( "(%p,%p)\n", hdc, obj );
|
|
|
|
obj = get_full_gdi_handle( obj );
|
|
if (is_meta_dc( hdc )) return METADC_SelectObject( hdc, obj );
|
|
if (!(dc_attr = get_dc_attr( hdc ))) return 0;
|
|
if (dc_attr->emf && !EMFDC_SelectObject( dc_attr, obj )) return 0;
|
|
|
|
switch (get_object_type( obj ))
|
|
{
|
|
case NTGDI_OBJ_PEN:
|
|
case NTGDI_OBJ_EXTPEN:
|
|
ret = NtGdiSelectPen( hdc, obj );
|
|
break;
|
|
case NTGDI_OBJ_BRUSH:
|
|
ret = NtGdiSelectBrush( hdc, obj );
|
|
break;
|
|
case NTGDI_OBJ_FONT:
|
|
ret = NtGdiSelectFont( hdc, obj );
|
|
break;
|
|
case NTGDI_OBJ_BITMAP:
|
|
ret = NtGdiSelectBitmap( hdc, obj );
|
|
break;
|
|
case NTGDI_OBJ_REGION:
|
|
ret = ULongToHandle(SelectClipRgn( hdc, obj ));
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
|
|
if (!ret) SetLastError( ERROR_INVALID_HANDLE );
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetObjectW (GDI32.@)
|
|
*/
|
|
INT WINAPI GetObjectW( HGDIOBJ handle, INT count, void *buffer )
|
|
{
|
|
int result;
|
|
|
|
TRACE( "%p %d %p\n", handle, count, buffer );
|
|
|
|
result = NtGdiExtGetObjectW( handle, count, buffer );
|
|
if (!result && count)
|
|
{
|
|
switch(get_object_type( handle ))
|
|
{
|
|
case 0:
|
|
case NTGDI_OBJ_BITMAP:
|
|
case NTGDI_OBJ_BRUSH:
|
|
case NTGDI_OBJ_FONT:
|
|
case NTGDI_OBJ_PAL:
|
|
case NTGDI_OBJ_PEN:
|
|
case NTGDI_OBJ_EXTPEN:
|
|
break;
|
|
default:
|
|
SetLastError( ERROR_INVALID_HANDLE );
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetCurrentObject (GDI32.@)
|
|
*/
|
|
HGDIOBJ WINAPI GetCurrentObject( HDC hdc, UINT type )
|
|
{
|
|
unsigned int obj_type;
|
|
|
|
switch (type)
|
|
{
|
|
case OBJ_EXTPEN: obj_type = NTGDI_OBJ_EXTPEN; break;
|
|
case OBJ_PEN: obj_type = NTGDI_OBJ_PEN; break;
|
|
case OBJ_BRUSH: obj_type = NTGDI_OBJ_BRUSH; break;
|
|
case OBJ_PAL: obj_type = NTGDI_OBJ_PAL; break;
|
|
case OBJ_FONT: obj_type = NTGDI_OBJ_FONT; break;
|
|
case OBJ_BITMAP: obj_type = NTGDI_OBJ_SURF; break;
|
|
case OBJ_REGION:
|
|
/* tests show that OBJ_REGION is explicitly ignored */
|
|
return 0;
|
|
default:
|
|
FIXME( "(%p,%d): unknown type.\n", hdc, type );
|
|
return 0;
|
|
}
|
|
|
|
return NtGdiGetDCObject( hdc, obj_type );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetStockObject (GDI32.@)
|
|
*/
|
|
HGDIOBJ WINAPI GetStockObject( INT obj )
|
|
{
|
|
if (obj < 0 || obj > STOCK_LAST + 1 || obj == 9) return 0;
|
|
|
|
/* Wine stores stock objects in predictable order, see init_stock_objects */
|
|
switch (obj)
|
|
{
|
|
case OEM_FIXED_FONT:
|
|
if (GetDpiForSystem() != 96) obj = 9;
|
|
break;
|
|
case SYSTEM_FONT:
|
|
if (GetDpiForSystem() != 96) obj = STOCK_LAST + 2;
|
|
break;
|
|
case SYSTEM_FIXED_FONT:
|
|
if (GetDpiForSystem() != 96) obj = STOCK_LAST + 3;
|
|
break;
|
|
case DEFAULT_GUI_FONT:
|
|
if (GetDpiForSystem() != 96) obj = STOCK_LAST + 4;
|
|
break;
|
|
}
|
|
|
|
return entry_to_handle( handle_entry( ULongToHandle( obj + FIRST_GDI_HANDLE )));
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetObjectA (GDI32.@)
|
|
*/
|
|
INT WINAPI GetObjectA( HGDIOBJ handle, INT count, void *buffer )
|
|
{
|
|
TRACE("%p %d %p\n", handle, count, buffer );
|
|
|
|
if (get_object_type( handle ) == NTGDI_OBJ_FONT)
|
|
{
|
|
LOGFONTA *lfA = buffer;
|
|
LOGFONTW lf;
|
|
|
|
if (!buffer) return sizeof(*lfA);
|
|
if (!GetObjectW( handle, sizeof(lf), &lf )) return 0;
|
|
if (count > sizeof(*lfA)) count = sizeof(*lfA);
|
|
memcpy( lfA, &lf, min( count, FIELD_OFFSET(LOGFONTA, lfFaceName) ));
|
|
if (count > FIELD_OFFSET(LOGFONTA, lfFaceName))
|
|
{
|
|
WideCharToMultiByte( CP_ACP, 0, lf.lfFaceName, -1, lfA->lfFaceName,
|
|
count - FIELD_OFFSET(LOGFONTA, lfFaceName), NULL, NULL );
|
|
if (count == sizeof(*lfA)) lfA->lfFaceName[LF_FACESIZE - 1] = 0;
|
|
}
|
|
return count;
|
|
}
|
|
|
|
return GetObjectW( handle, count, buffer );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreatePenIndirect (GDI32.@)
|
|
*/
|
|
HPEN WINAPI CreatePenIndirect( const LOGPEN *pen )
|
|
{
|
|
return CreatePen( pen->lopnStyle, pen->lopnWidth.x, pen->lopnColor );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreatePen (GDI32.@)
|
|
*/
|
|
HPEN WINAPI CreatePen( INT style, INT width, COLORREF color )
|
|
{
|
|
if (style < 0 || style > PS_INSIDEFRAME) style = PS_SOLID;
|
|
return NtGdiCreatePen( style, width, color, NULL );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* ExtCreatePen (GDI32.@)
|
|
*/
|
|
HPEN WINAPI ExtCreatePen( DWORD style, DWORD width, const LOGBRUSH *brush, DWORD style_count,
|
|
const DWORD *style_bits )
|
|
{
|
|
ULONG brush_style = brush->lbStyle;
|
|
ULONG_PTR hatch = brush->lbHatch;
|
|
HPEN pen;
|
|
|
|
if (brush_style == BS_DIBPATTERN)
|
|
{
|
|
if (!(hatch = (ULONG_PTR)GlobalLock( (HGLOBAL)hatch ))) return 0;
|
|
brush_style = BS_DIBPATTERNPT;
|
|
}
|
|
|
|
pen = NtGdiExtCreatePen( style, width, brush_style, brush->lbColor, brush->lbHatch, hatch,
|
|
style_count, style_bits, /* FIXME */ 0, FALSE, NULL );
|
|
|
|
if (brush->lbStyle == BS_DIBPATTERN) GlobalUnlock( (HGLOBAL)brush->lbHatch );
|
|
return pen;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreateBrushIndirect (GDI32.@)
|
|
*/
|
|
HBRUSH WINAPI CreateBrushIndirect( const LOGBRUSH *brush )
|
|
{
|
|
switch (brush->lbStyle)
|
|
{
|
|
case BS_NULL:
|
|
return GetStockObject( NULL_BRUSH );
|
|
case BS_SOLID:
|
|
return CreateSolidBrush( brush->lbColor );
|
|
case BS_HATCHED:
|
|
return CreateHatchBrush( brush->lbHatch, brush->lbColor );
|
|
case BS_PATTERN:
|
|
case BS_PATTERN8X8:
|
|
return CreatePatternBrush( (HBITMAP)brush->lbHatch );
|
|
case BS_DIBPATTERN:
|
|
return CreateDIBPatternBrush( (HGLOBAL)brush->lbHatch, brush->lbColor );
|
|
case BS_DIBPATTERNPT:
|
|
return CreateDIBPatternBrushPt( (void *)brush->lbHatch, brush->lbColor );
|
|
default:
|
|
WARN( "invalid brush style %u\n", brush->lbStyle );
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreateSolidBrush (GDI32.@)
|
|
*/
|
|
HBRUSH WINAPI CreateSolidBrush( COLORREF color )
|
|
{
|
|
return NtGdiCreateSolidBrush( color, NULL );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreateHatchBrush (GDI32.@)
|
|
*/
|
|
HBRUSH WINAPI CreateHatchBrush( INT style, COLORREF color )
|
|
{
|
|
return NtGdiCreateHatchBrushInternal( style, color, FALSE );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreatePatternBrush (GDI32.@)
|
|
*/
|
|
HBRUSH WINAPI CreatePatternBrush( HBITMAP bitmap )
|
|
{
|
|
return NtGdiCreatePatternBrushInternal( bitmap, FALSE, FALSE );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreateDIBPatternBrush (GDI32.@)
|
|
*/
|
|
HBRUSH WINAPI CreateDIBPatternBrush( HGLOBAL hbitmap, UINT coloruse )
|
|
{
|
|
HBRUSH brush;
|
|
void *mem;
|
|
|
|
TRACE( "%p\n", hbitmap );
|
|
|
|
if (!(mem = GlobalLock( hbitmap ))) return 0;
|
|
brush = NtGdiCreateDIBBrush( mem, coloruse, /* FIXME */ 0, FALSE, FALSE, hbitmap );
|
|
GlobalUnlock( hbitmap );
|
|
return brush;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreateDIBPatternBrushPt (GDI32.@)
|
|
*/
|
|
HBRUSH WINAPI CreateDIBPatternBrushPt( const void *data, UINT coloruse )
|
|
{
|
|
return NtGdiCreateDIBBrush( data, coloruse, /* FIXME */ 0, FALSE, FALSE, data );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreateBitmapIndirect (GDI32.@)
|
|
*/
|
|
HBITMAP WINAPI CreateBitmapIndirect( const BITMAP *bmp )
|
|
{
|
|
if (!bmp || bmp->bmType)
|
|
{
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return NULL;
|
|
}
|
|
|
|
return CreateBitmap( bmp->bmWidth, bmp->bmHeight, bmp->bmPlanes,
|
|
bmp->bmBitsPixel, bmp->bmBits );
|
|
}
|
|
|
|
/******************************************************************************
|
|
* CreateBitmap (GDI32.@)
|
|
*
|
|
* Creates a bitmap with the specified info.
|
|
*/
|
|
HBITMAP WINAPI CreateBitmap( INT width, INT height, UINT planes,
|
|
UINT bpp, const void *bits )
|
|
{
|
|
if (!width || !height)
|
|
return GetStockObject( STOCK_LAST + 1 ); /* default 1x1 bitmap */
|
|
|
|
return NtGdiCreateBitmap( width, height, planes, bpp, bits );
|
|
}
|
|
|
|
/******************************************************************************
|
|
* CreateCompatibleBitmap (GDI32.@)
|
|
*
|
|
* Creates a bitmap compatible with the DC.
|
|
*/
|
|
HBITMAP WINAPI CreateCompatibleBitmap( HDC hdc, INT width, INT height )
|
|
{
|
|
if (!width || !height)
|
|
return GetStockObject( STOCK_LAST + 1 ); /* default 1x1 bitmap */
|
|
|
|
return NtGdiCreateCompatibleBitmap( hdc, width, height );
|
|
}
|
|
|
|
/******************************************************************************
|
|
* CreateDiscardableBitmap (GDI32.@)
|
|
*
|
|
* Creates a discardable bitmap.
|
|
*/
|
|
HBITMAP WINAPI CreateDiscardableBitmap( HDC hdc, INT width, INT height )
|
|
{
|
|
return CreateCompatibleBitmap( hdc, width, height );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* ExtCreateRegion (GDI32.@)
|
|
*
|
|
* Creates a region as specified by the transformation data and region data.
|
|
*/
|
|
HRGN WINAPI ExtCreateRegion( const XFORM *xform, DWORD count, const RGNDATA *data )
|
|
{
|
|
if (!data)
|
|
{
|
|
SetLastError( ERROR_INVALID_PARAMETER );
|
|
return 0;
|
|
}
|
|
|
|
return NtGdiExtCreateRegion( xform, count, data );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreatePolyPolygonRgn (GDI32.@)
|
|
*/
|
|
HRGN WINAPI CreatePolyPolygonRgn( const POINT *points, const INT *counts, INT count, INT mode )
|
|
{
|
|
ULONG ret = NtGdiPolyPolyDraw( ULongToHandle(mode), points, (const ULONG *)counts,
|
|
count, NtGdiPolyPolygonRgn );
|
|
return ULongToHandle( ret );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreateRectRgnIndirect (GDI32.@)
|
|
*
|
|
* Creates a simple rectangular region.
|
|
*/
|
|
HRGN WINAPI CreateRectRgnIndirect( const RECT* rect )
|
|
{
|
|
return NtGdiCreateRectRgn( rect->left, rect->top, rect->right, rect->bottom );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreateEllipticRgnIndirect (GDI32.@)
|
|
*
|
|
* Creates an elliptical region.
|
|
*/
|
|
HRGN WINAPI CreateEllipticRgnIndirect( const RECT *rect )
|
|
{
|
|
return NtGdiCreateEllipticRgn( rect->left, rect->top, rect->right, rect->bottom );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreatePolygonRgn (GDI32.@)
|
|
*/
|
|
HRGN WINAPI CreatePolygonRgn( const POINT *points, INT count, INT mode )
|
|
{
|
|
return CreatePolyPolygonRgn( points, &count, 1, mode );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MirrorRgn (GDI32.@)
|
|
*/
|
|
BOOL WINAPI MirrorRgn( HWND hwnd, HRGN hrgn )
|
|
{
|
|
return NtUserMirrorRgn( hwnd, hrgn );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreateColorSpaceA (GDI32.@)
|
|
*/
|
|
HCOLORSPACE WINAPI CreateColorSpaceA( LOGCOLORSPACEA *cs )
|
|
{
|
|
FIXME( "stub\n" );
|
|
return 0;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreateColorSpaceW (GDI32.@)
|
|
*/
|
|
HCOLORSPACE WINAPI CreateColorSpaceW( LOGCOLORSPACEW *cs )
|
|
{
|
|
FIXME( "stub\n" );
|
|
return 0;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* DeleteColorSpace (GDI32.@)
|
|
*/
|
|
BOOL WINAPI DeleteColorSpace( HCOLORSPACE cs )
|
|
{
|
|
FIXME( "stub\n" );
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetColorSpace (GDI32.@)
|
|
*/
|
|
HCOLORSPACE WINAPI GetColorSpace( HDC hdc )
|
|
{
|
|
FIXME( "stub\n" );
|
|
return 0;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SetColorSpace (GDI32.@)
|
|
*/
|
|
HCOLORSPACE WINAPI SetColorSpace( HDC hdc, HCOLORSPACE cs )
|
|
{
|
|
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 )
|
|
{
|
|
palette = get_full_gdi_handle( palette );
|
|
return NtGdiDoPalette( palette, start, count, (void *)entries, NtGdiSetPaletteEntries, FALSE );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* AnimatePalette (GDI32.@)
|
|
*/
|
|
BOOL WINAPI AnimatePalette( HPALETTE palette, UINT start, UINT count, const PALETTEENTRY *entries )
|
|
{
|
|
palette = get_full_gdi_handle( palette );
|
|
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;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreateDIBitmap (GDI32.@)
|
|
*/
|
|
HBITMAP WINAPI CreateDIBitmap( HDC hdc, const BITMAPINFOHEADER *header, DWORD init,
|
|
const void *bits, const BITMAPINFO *data, UINT coloruse )
|
|
{
|
|
int width, height;
|
|
|
|
if (!header) return 0;
|
|
|
|
if (header->biSize == sizeof(BITMAPCOREHEADER))
|
|
{
|
|
const BITMAPCOREHEADER *core = (const BITMAPCOREHEADER *)header;
|
|
width = core->bcWidth;
|
|
height = core->bcHeight;
|
|
}
|
|
else if (header->biSize >= sizeof(BITMAPINFOHEADER))
|
|
{
|
|
if (header->biCompression == BI_JPEG || header->biCompression == BI_PNG) return 0;
|
|
width = header->biWidth;
|
|
height = header->biHeight;
|
|
}
|
|
else return 0;
|
|
|
|
if (!width || !height) return GetStockObject( STOCK_LAST + 1 ); /* default 1x1 bitmap */
|
|
return NtGdiCreateDIBitmapInternal( hdc, width, height, init, bits, data, coloruse,
|
|
0, 0, 0, 0 );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreateDIBSection (GDI32.@)
|
|
*/
|
|
HBITMAP WINAPI DECLSPEC_HOTPATCH CreateDIBSection( HDC hdc, const BITMAPINFO *bmi, UINT usage,
|
|
void **bits, HANDLE section, DWORD offset )
|
|
{
|
|
return NtGdiCreateDIBSection( hdc, section, offset, bmi, usage, 0, 0, 0, bits );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetDIBits (win32u.@)
|
|
*/
|
|
INT WINAPI DECLSPEC_HOTPATCH GetDIBits( HDC hdc, HBITMAP hbitmap, UINT startscan, UINT lines,
|
|
void *bits, BITMAPINFO *info, UINT coloruse )
|
|
{
|
|
return NtGdiGetDIBitsInternal( hdc, hbitmap, startscan, lines, bits, info, coloruse, 0, 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 );
|
|
}
|
|
|
|
static HANDLE get_display_device_init_mutex( void )
|
|
{
|
|
HANDLE mutex = CreateMutexW( NULL, FALSE, L"display_device_init" );
|
|
|
|
WaitForSingleObject( mutex, INFINITE );
|
|
return mutex;
|
|
}
|
|
|
|
static void release_display_device_init_mutex( HANDLE mutex )
|
|
{
|
|
ReleaseMutex( mutex );
|
|
CloseHandle( mutex );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* D3DKMTOpenAdapterFromGdiDisplayName (GDI32.@)
|
|
*/
|
|
NTSTATUS WINAPI D3DKMTOpenAdapterFromGdiDisplayName( D3DKMT_OPENADAPTERFROMGDIDISPLAYNAME *desc )
|
|
{
|
|
WCHAR *end, key_nameW[MAX_PATH], bufferW[MAX_PATH];
|
|
HDEVINFO devinfo = INVALID_HANDLE_VALUE;
|
|
NTSTATUS status = STATUS_UNSUCCESSFUL;
|
|
D3DKMT_OPENADAPTERFROMLUID luid_desc;
|
|
SP_DEVINFO_DATA device_data;
|
|
DWORD size, state_flags;
|
|
DEVPROPTYPE type;
|
|
HANDLE mutex;
|
|
int index;
|
|
|
|
TRACE("(%p)\n", desc);
|
|
|
|
if (!desc)
|
|
return STATUS_UNSUCCESSFUL;
|
|
|
|
TRACE("DeviceName: %s\n", wine_dbgstr_w( desc->DeviceName ));
|
|
if (wcsnicmp( desc->DeviceName, L"\\\\.\\DISPLAY", lstrlenW(L"\\\\.\\DISPLAY") ))
|
|
return STATUS_UNSUCCESSFUL;
|
|
|
|
index = wcstol( desc->DeviceName + lstrlenW(L"\\\\.\\DISPLAY"), &end, 10 ) - 1;
|
|
if (*end)
|
|
return STATUS_UNSUCCESSFUL;
|
|
|
|
/* Get adapter LUID from SetupAPI */
|
|
mutex = get_display_device_init_mutex();
|
|
|
|
size = sizeof( bufferW );
|
|
swprintf( key_nameW, MAX_PATH, L"\\Device\\Video%d", index );
|
|
if (RegGetValueW( HKEY_LOCAL_MACHINE, L"HARDWARE\\DEVICEMAP\\VIDEO", key_nameW,
|
|
RRF_RT_REG_SZ, NULL, bufferW, &size ))
|
|
goto done;
|
|
|
|
/* Strip \Registry\Machine\ prefix and retrieve Wine specific data set by the display driver */
|
|
lstrcpyW( key_nameW, bufferW + 18 );
|
|
size = sizeof( state_flags );
|
|
if (RegGetValueW( HKEY_CURRENT_CONFIG, key_nameW, L"StateFlags", RRF_RT_REG_DWORD, NULL,
|
|
&state_flags, &size ))
|
|
goto done;
|
|
|
|
if (!(state_flags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP))
|
|
goto done;
|
|
|
|
size = sizeof( bufferW );
|
|
if (RegGetValueW( HKEY_CURRENT_CONFIG, key_nameW, L"GPUID", RRF_RT_REG_SZ, NULL, bufferW, &size ))
|
|
goto done;
|
|
|
|
devinfo = SetupDiCreateDeviceInfoList( &GUID_DEVCLASS_DISPLAY, NULL );
|
|
device_data.cbSize = sizeof( device_data );
|
|
SetupDiOpenDeviceInfoW( devinfo, bufferW, NULL, 0, &device_data );
|
|
if (!SetupDiGetDevicePropertyW( devinfo, &device_data, &DEVPROPKEY_GPU_LUID, &type,
|
|
(BYTE *)&luid_desc.AdapterLuid, sizeof( luid_desc.AdapterLuid ),
|
|
NULL, 0))
|
|
goto done;
|
|
|
|
if ((status = NtGdiDdDDIOpenAdapterFromLuid( &luid_desc ))) goto done;
|
|
|
|
desc->hAdapter = luid_desc.hAdapter;
|
|
desc->AdapterLuid = luid_desc.AdapterLuid;
|
|
desc->VidPnSourceId = index;
|
|
|
|
done:
|
|
SetupDiDestroyDeviceInfoList( devinfo );
|
|
release_display_device_init_mutex( mutex );
|
|
return status;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SetObjectOwner (GDI32.@)
|
|
*/
|
|
void WINAPI SetObjectOwner( HGDIOBJ handle, HANDLE owner )
|
|
{
|
|
/* Nothing to do */
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GdiInitializeLanguagePack (GDI32.@)
|
|
*/
|
|
DWORD WINAPI GdiInitializeLanguagePack( DWORD arg )
|
|
{
|
|
FIXME( "stub\n" );
|
|
return 0;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GdiGetBatchLimit (GDI32.@)
|
|
*/
|
|
DWORD WINAPI GdiGetBatchLimit(void)
|
|
{
|
|
return 1; /* FIXME */
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GdiSetBatchLimit (GDI32.@)
|
|
*/
|
|
DWORD WINAPI GdiSetBatchLimit( DWORD limit )
|
|
{
|
|
return 1; /* FIXME */
|
|
}
|
|
|
|
/* Solid colors to enumerate */
|
|
static const COLORREF solid_colors[] =
|
|
{
|
|
RGB(0x00,0x00,0x00), RGB(0xff,0xff,0xff),
|
|
RGB(0xff,0x00,0x00), RGB(0x00,0xff,0x00),
|
|
RGB(0x00,0x00,0xff), RGB(0xff,0xff,0x00),
|
|
RGB(0xff,0x00,0xff), RGB(0x00,0xff,0xff),
|
|
RGB(0x80,0x00,0x00), RGB(0x00,0x80,0x00),
|
|
RGB(0x80,0x80,0x00), RGB(0x00,0x00,0x80),
|
|
RGB(0x80,0x00,0x80), RGB(0x00,0x80,0x80),
|
|
RGB(0x80,0x80,0x80), RGB(0xc0,0xc0,0xc0)
|
|
};
|
|
|
|
/***********************************************************************
|
|
* EnumObjects (GDI32.@)
|
|
*/
|
|
INT WINAPI EnumObjects( HDC hdc, INT type, GOBJENUMPROC enum_func, LPARAM param )
|
|
{
|
|
UINT i;
|
|
INT retval = 0;
|
|
LOGPEN pen;
|
|
LOGBRUSH brush;
|
|
|
|
TRACE( "%p %d %p %08Ix\n", hdc, type, enum_func, param );
|
|
|
|
switch(type)
|
|
{
|
|
case OBJ_PEN:
|
|
/* Enumerate solid pens */
|
|
for (i = 0; i < ARRAY_SIZE(solid_colors); i++)
|
|
{
|
|
pen.lopnStyle = PS_SOLID;
|
|
pen.lopnWidth.x = 1;
|
|
pen.lopnWidth.y = 0;
|
|
pen.lopnColor = solid_colors[i];
|
|
retval = enum_func( &pen, param );
|
|
TRACE( "solid pen %08lx, ret=%d\n", solid_colors[i], retval );
|
|
if (!retval) break;
|
|
}
|
|
break;
|
|
|
|
case OBJ_BRUSH:
|
|
/* Enumerate solid brushes */
|
|
for (i = 0; i < ARRAY_SIZE(solid_colors); i++)
|
|
{
|
|
brush.lbStyle = BS_SOLID;
|
|
brush.lbColor = solid_colors[i];
|
|
brush.lbHatch = 0;
|
|
retval = enum_func( &brush, param );
|
|
TRACE( "solid brush %08lx, ret=%d\n", solid_colors[i], retval );
|
|
if (!retval) break;
|
|
}
|
|
|
|
/* Now enumerate hatched brushes */
|
|
for (i = HS_HORIZONTAL; retval && i <= HS_DIAGCROSS; i++)
|
|
{
|
|
brush.lbStyle = BS_HATCHED;
|
|
brush.lbColor = RGB(0,0,0);
|
|
brush.lbHatch = i;
|
|
retval = enum_func( &brush, param );
|
|
TRACE( "hatched brush %d, ret=%d\n", i, retval );
|
|
}
|
|
break;
|
|
|
|
default:
|
|
/* FIXME: implement Win32 types */
|
|
WARN( "(%d): Invalid type\n", type );
|
|
break;
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CombineTransform (GDI32.@)
|
|
*
|
|
* Combines two transformation matrices.
|
|
*/
|
|
BOOL WINAPI CombineTransform( XFORM *result, const XFORM *xform1, const XFORM *xform2 )
|
|
{
|
|
XFORM r;
|
|
|
|
if (!result || !xform1 || !xform2) return FALSE;
|
|
|
|
/* Create the result in a temporary XFORM, since result may be
|
|
* equal to xform1 or xform2 */
|
|
r.eM11 = xform1->eM11 * xform2->eM11 + xform1->eM12 * xform2->eM21;
|
|
r.eM12 = xform1->eM11 * xform2->eM12 + xform1->eM12 * xform2->eM22;
|
|
r.eM21 = xform1->eM21 * xform2->eM11 + xform1->eM22 * xform2->eM21;
|
|
r.eM22 = xform1->eM21 * xform2->eM12 + xform1->eM22 * xform2->eM22;
|
|
r.eDx = xform1->eDx * xform2->eM11 + xform1->eDy * xform2->eM21 + xform2->eDx;
|
|
r.eDy = xform1->eDx * xform2->eM12 + xform1->eDy * xform2->eM22 + xform2->eDy;
|
|
|
|
*result = r;
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* LineDDA (GDI32.@)
|
|
*/
|
|
BOOL WINAPI LineDDA( INT x_start, INT y_start, INT x_end, INT y_end,
|
|
LINEDDAPROC callback, LPARAM lparam )
|
|
{
|
|
INT xadd = 1, yadd = 1;
|
|
INT err,erradd;
|
|
INT cnt;
|
|
INT dx = x_end - x_start;
|
|
INT dy = y_end - y_start;
|
|
|
|
TRACE( "(%d, %d), (%d, %d), %p, %Ix\n", x_start, y_start,
|
|
x_end, y_end, callback, lparam );
|
|
|
|
if (dx < 0)
|
|
{
|
|
dx = -dx;
|
|
xadd = -1;
|
|
}
|
|
if (dy < 0)
|
|
{
|
|
dy = -dy;
|
|
yadd = -1;
|
|
}
|
|
if (dx > dy) /* line is "more horizontal" */
|
|
{
|
|
err = 2*dy - dx; erradd = 2*dy - 2*dx;
|
|
for(cnt = 0;cnt < dx; cnt++)
|
|
{
|
|
callback( x_start, y_start, lparam );
|
|
if (err > 0)
|
|
{
|
|
y_start += yadd;
|
|
err += erradd;
|
|
}
|
|
else err += 2*dy;
|
|
x_start += xadd;
|
|
}
|
|
}
|
|
else /* line is "more vertical" */
|
|
{
|
|
err = 2*dx - dy; erradd = 2*dx - 2*dy;
|
|
for(cnt = 0; cnt < dy; cnt++)
|
|
{
|
|
callback( x_start, y_start, lparam );
|
|
if (err > 0)
|
|
{
|
|
x_start += xadd;
|
|
err += erradd;
|
|
}
|
|
else err += 2*dx;
|
|
y_start += yadd;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GdiDllInitialize (GDI32.@)
|
|
*
|
|
* Stub entry point, some games (CoD: Black Ops 3) call it directly.
|
|
*/
|
|
BOOL WINAPI GdiDllInitialize( HINSTANCE inst, DWORD reason, LPVOID reserved )
|
|
{
|
|
FIXME( "stub\n" );
|
|
return TRUE;
|
|
}
|