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Implemented PolyDraw() and AngleArc().

This commit is contained in:
Mark Dufour 2000-10-26 19:28:19 +00:00 committed by Alexandre Julliard
parent b5f8b9227c
commit edfde7f96f
1 changed files with 94 additions and 6 deletions
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100
graphics/painting.c
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@ -1016,24 +1016,112 @@ BOOL WINAPI PolyBezierTo( HDC hdc, const POINT* lppt, DWORD cPoints )
/***********************************************************************
* AngleArc (GDI32.5)
*
*
*/
BOOL WINAPI AngleArc(HDC hdc, INT x, INT y, DWORD dwRadius,
FLOAT eStartAngle, FLOAT eSweepAngle)
{
FIXME("AngleArc, stub\n");
return 0;
int x1,y1,x2,y2;
BOOL result;
DC *dc;
if( (signed int)dwRadius < 0 )
return FALSE;
dc = DC_GetDCUpdate( hdc );
if(!dc) return FALSE;
if(dc->funcs->pAngleArc)
{
result = dc->funcs->pAngleArc( dc, x, y, dwRadius, eStartAngle, eSweepAngle );
GDI_ReleaseObj( hdc );
return result;
}
GDI_ReleaseObj( hdc );
x1 = x + cos(eStartAngle*M_PI/180) * dwRadius;
y1 = y - sin(eStartAngle*M_PI/180) * dwRadius;
x2 = x + cos((eStartAngle+eSweepAngle)*M_PI/180) * dwRadius;
y2 = x - sin((eStartAngle+eSweepAngle)*M_PI/180) * dwRadius;
LineTo( hdc, x1, y1 );
if( eSweepAngle >= 0 )
result = Arc( hdc, x-dwRadius, y-dwRadius, x+dwRadius, y+dwRadius,
x1, y1, x2, y2 );
else
result = Arc( hdc, x-dwRadius, y-dwRadius, x+dwRadius, y+dwRadius,
x2, y2, x1, y1 );
if( result ) MoveToEx( hdc, x2, y2, NULL );
return result;
}
/***********************************************************************
* PolyDraw (GDI32.270)
*
*
*/
BOOL WINAPI PolyDraw(HDC hdc, const POINT *lppt, const BYTE *lpbTypes,
DWORD cCount)
{
FIXME("PolyDraw, stub\n");
return 0;
DC *dc;
BOOL result;
POINT lastmove;
int i;
dc = DC_GetDCUpdate( hdc );
if(!dc) return FALSE;
if(dc->funcs->pPolyDraw)
{
result = dc->funcs->pPolyDraw( dc, lppt, lpbTypes, cCount );
GDI_ReleaseObj( hdc );
return result;
}
GDI_ReleaseObj( hdc );
/* check for each bezierto if there are two more points */
for( i = 0; i < cCount; i++ )
if( lpbTypes[i] != PT_MOVETO &&
lpbTypes[i] & PT_BEZIERTO )
{
if( cCount < i+3 )
return FALSE;
else
i += 2;
}
/* if no moveto occurs, we will close the figure here */
lastmove.x = dc->w.CursPosX;
lastmove.y = dc->w.CursPosY;
/* now let's draw */
for( i = 0; i < cCount; i++ )
if( lpbTypes[i] == PT_MOVETO )
{
MoveToEx( hdc, lppt[i].x, lppt[i].y, NULL );
lastmove.x = dc->w.CursPosX;
lastmove.y = dc->w.CursPosY;
}
else if( lpbTypes[i] & PT_LINETO )
{
LineTo( hdc, lppt[i].x, lppt[i].y );
if( lpbTypes[i] & PT_CLOSEFIGURE )
LineTo( hdc, lastmove.x, lastmove.y );
}
else if( lpbTypes[i] & PT_BEZIERTO )
{
/* optimizeme: multiple BezierTo's with one PolyBezierTo call */
PolyBezierTo( hdc, &lppt[i], 3 );
i += 2;
if( lpbTypes[i] & PT_CLOSEFIGURE )
LineTo( hdc, lastmove.x, lastmove.y );
}
else
return FALSE;
return TRUE;
}
/******************************************************************