wine/dlls/gdi/pen.c

181 lines
5.1 KiB
C

/*
* GDI pen objects
*
* Copyright 1993 Alexandre Julliard
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <stdarg.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "wine/wingdi16.h"
#include "gdi.h"
#include "gdi_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(gdi);
/* GDI logical pen object */
typedef struct
{
GDIOBJHDR header;
LOGPEN logpen;
} PENOBJ;
static HGDIOBJ PEN_SelectObject( HGDIOBJ handle, void *obj, HDC hdc );
static INT PEN_GetObject16( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );
static INT PEN_GetObject( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );
static const struct gdi_obj_funcs pen_funcs =
{
PEN_SelectObject, /* pSelectObject */
PEN_GetObject16, /* pGetObject16 */
PEN_GetObject, /* pGetObjectA */
PEN_GetObject, /* pGetObjectW */
NULL, /* pUnrealizeObject */
GDI_FreeObject /* pDeleteObject */
};
/***********************************************************************
* CreatePen (GDI32.@)
*/
HPEN WINAPI CreatePen( INT style, INT width, COLORREF color )
{
LOGPEN logpen;
TRACE("%d %d %06lx\n", style, width, color );
logpen.lopnStyle = style;
logpen.lopnWidth.x = width;
logpen.lopnWidth.y = 0;
logpen.lopnColor = color;
return CreatePenIndirect( &logpen );
}
/***********************************************************************
* CreatePenIndirect (GDI32.@)
*/
HPEN WINAPI CreatePenIndirect( const LOGPEN * pen )
{
PENOBJ * penPtr;
HPEN hpen;
if (!(penPtr = GDI_AllocObject( sizeof(PENOBJ), PEN_MAGIC, (HGDIOBJ *)&hpen,
&pen_funcs ))) return 0;
penPtr->logpen.lopnStyle = pen->lopnStyle;
penPtr->logpen.lopnWidth = pen->lopnWidth;
penPtr->logpen.lopnColor = pen->lopnColor;
GDI_ReleaseObj( hpen );
return hpen;
}
/***********************************************************************
* ExtCreatePen (GDI32.@)
*
* FIXME: PS_USERSTYLE not handled
*/
HPEN WINAPI ExtCreatePen( DWORD style, DWORD width,
const LOGBRUSH * brush, DWORD style_count,
const DWORD *style_bits )
{
PENOBJ * penPtr;
HPEN hpen;
if ((style & PS_STYLE_MASK) == PS_USERSTYLE)
FIXME("PS_USERSTYLE not handled\n");
if ((style & PS_TYPE_MASK) == PS_GEOMETRIC)
if (brush->lbHatch && ((brush->lbStyle == BS_SOLID) || (brush->lbStyle == BS_HOLLOW)))
FIXME("Hatches not implemented\n");
if (!(penPtr = GDI_AllocObject( sizeof(PENOBJ), PEN_MAGIC, (HGDIOBJ *)&hpen,
&pen_funcs ))) return 0;
penPtr->logpen.lopnStyle = style & ~PS_TYPE_MASK;
/* PS_USERSTYLE workaround */
if((penPtr->logpen.lopnStyle & PS_STYLE_MASK) == PS_USERSTYLE)
penPtr->logpen.lopnStyle =
(penPtr->logpen.lopnStyle & ~PS_STYLE_MASK) | PS_SOLID;
penPtr->logpen.lopnWidth.x = (style & PS_GEOMETRIC) ? width : 1;
penPtr->logpen.lopnWidth.y = 0;
penPtr->logpen.lopnColor = brush->lbColor;
GDI_ReleaseObj( hpen );
return hpen;
}
/***********************************************************************
* PEN_SelectObject
*/
static HGDIOBJ PEN_SelectObject( HGDIOBJ handle, void *obj, HDC hdc )
{
HGDIOBJ ret;
DC *dc = DC_GetDCPtr( hdc );
if (!dc) return 0;
ret = dc->hPen;
if (dc->funcs->pSelectPen) handle = dc->funcs->pSelectPen( dc->physDev, handle );
if (handle) dc->hPen = handle;
else ret = 0;
GDI_ReleaseObj( hdc );
return ret;
}
/***********************************************************************
* PEN_GetObject16
*/
static INT PEN_GetObject16( HGDIOBJ handle, void *obj, INT count, LPVOID buffer )
{
PENOBJ *pen = obj;
LOGPEN16 logpen;
logpen.lopnStyle = pen->logpen.lopnStyle;
logpen.lopnColor = pen->logpen.lopnColor;
logpen.lopnWidth.x = pen->logpen.lopnWidth.x;
logpen.lopnWidth.y = pen->logpen.lopnWidth.y;
if (count > sizeof(logpen)) count = sizeof(logpen);
memcpy( buffer, &logpen, count );
return count;
}
/***********************************************************************
* PEN_GetObject
*/
static INT PEN_GetObject( HGDIOBJ handle, void *obj, INT count, LPVOID buffer )
{
PENOBJ *pen = obj;
if( !buffer )
return sizeof(pen->logpen);
if (count > sizeof(pen->logpen)) count = sizeof(pen->logpen);
memcpy( buffer, &pen->logpen, count );
return count;
}