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gdi32: Only create the round cap region once per call.

oldstable
Alexandre Julliard 2012-01-04 14:59:01 +01:00
parent 618425ac4c
commit 5f2371c229
1 changed files with 25 additions and 24 deletions
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49
dlls/gdi32/dibdrv/objects.c
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@ -1214,27 +1214,22 @@ struct face
int dx, dy;
};
static void add_cap( dibdrv_physdev *pdev, HRGN region, const POINT *pt )
static void add_cap( dibdrv_physdev *pdev, HRGN region, HRGN round_cap, const POINT *pt )
{
HRGN cap;
switch (pdev->pen_endcap)
{
default: FIXME( "Unknown end cap %x\n", pdev->pen_endcap );
/* fall through */
case PS_ENDCAP_ROUND:
cap = CreateEllipticRgn( pt->x - pdev->pen_width / 2, pt->y - pdev->pen_width / 2,
pt->x + (pdev->pen_width + 1) / 2, pt->y + (pdev->pen_width + 1) / 2 );
break;
OffsetRgn( round_cap, pt->x, pt->y );
CombineRgn( region, region, round_cap, RGN_OR );
OffsetRgn( round_cap, -pt->x, -pt->y );
return;
case PS_ENDCAP_SQUARE: /* already been handled */
case PS_ENDCAP_FLAT:
return;
}
CombineRgn( region, region, cap, RGN_OR );
DeleteObject( cap );
return;
}
#define round( f ) (((f) > 0) ? (f) + 0.5 : (f) - 0.5)
@ -1297,7 +1292,7 @@ static HRGN create_miter_region( dibdrv_physdev *pdev, const POINT *pt,
return CreatePolygonRgn( pts, 5, ALTERNATE );
}
static void add_join( dibdrv_physdev *pdev, HRGN region, const POINT *pt,
static void add_join( dibdrv_physdev *pdev, HRGN region, HRGN round_cap, const POINT *pt,
const struct face *face_1, const struct face *face_2 )
{
HRGN join;
@ -1308,9 +1303,10 @@ static void add_join( dibdrv_physdev *pdev, HRGN region, const POINT *pt,
default: FIXME( "Unknown line join %x\n", pdev->pen_join );
/* fall through */
case PS_JOIN_ROUND:
join = CreateEllipticRgn( pt->x - pdev->pen_width / 2, pt->y - pdev->pen_width / 2,
pt->x + (pdev->pen_width + 1) / 2, pt->y + (pdev->pen_width + 1) / 2 );
break;
OffsetRgn( round_cap, pt->x, pt->y );
CombineRgn( region, region, round_cap, RGN_OR );
OffsetRgn( round_cap, -pt->x, -pt->y );
return;
case PS_JOIN_MITER:
join = create_miter_region( pdev, pt, face_1, face_2 );
@ -1333,11 +1329,15 @@ static void add_join( dibdrv_physdev *pdev, HRGN region, const POINT *pt,
static BOOL wide_pen_lines(dibdrv_physdev *pdev, int num, POINT *pts, BOOL close, HRGN total)
{
int i;
HRGN segment;
HRGN round_cap = 0;
assert( total != 0 ); /* wide pens should always be drawn through a region */
assert( num >= 2 );
if (pdev->pen_join == PS_JOIN_ROUND || pdev->pen_endcap == PS_ENDCAP_ROUND)
round_cap = CreateEllipticRgn( -(pdev->pen_width / 2), -(pdev->pen_width / 2),
(pdev->pen_width + 1) / 2, (pdev->pen_width + 1) / 2 );
if (!close) num--;
for (i = 0; i < num; i++)
{
@ -1362,7 +1362,7 @@ static BOOL wide_pen_lines(dibdrv_physdev *pdev, int num, POINT *pts, BOOL close
rect.bottom = rect.top + pdev->pen_width;
if ((sq_cap_1 && dx > 0) || (sq_cap_2 && dx < 0)) rect.left -= pdev->pen_width / 2;
if ((sq_cap_2 && dx > 0) || (sq_cap_1 && dx < 0)) rect.right += pdev->pen_width / 2;
segment = CreateRectRgnIndirect( &rect );
add_rect_to_region( total, &rect );
if (dx > 0)
{
face_1.start.x = face_1.end.x = rect.left;
@ -1386,7 +1386,7 @@ static BOOL wide_pen_lines(dibdrv_physdev *pdev, int num, POINT *pts, BOOL close
rect.right = rect.left + pdev->pen_width;
if ((sq_cap_1 && dy > 0) || (sq_cap_2 && dy < 0)) rect.top -= pdev->pen_width / 2;
if ((sq_cap_2 && dy > 0) || (sq_cap_1 && dy < 0)) rect.bottom += pdev->pen_width / 2;
segment = CreateRectRgnIndirect( &rect );
add_rect_to_region( total, &rect );
if (dy > 0)
{
face_1.start.x = face_2.end.x = rect.left;
@ -1408,6 +1408,7 @@ static BOOL wide_pen_lines(dibdrv_physdev *pdev, int num, POINT *pts, BOOL close
double width_x, width_y;
POINT seg_pts[4];
POINT wide_half, narrow_half;
HRGN segment;
width_x = pdev->pen_width * abs( dy ) / len;
width_y = pdev->pen_width * abs( dx ) / len;
@ -1456,6 +1457,8 @@ static BOOL wide_pen_lines(dibdrv_physdev *pdev, int num, POINT *pts, BOOL close
}
segment = CreatePolygonRgn( seg_pts, 4, ALTERNATE );
CombineRgn( total, total, segment, RGN_OR );
DeleteObject( segment );
face_1.start = seg_pts[0];
face_1.end = seg_pts[1];
@ -1463,23 +1466,21 @@ static BOOL wide_pen_lines(dibdrv_physdev *pdev, int num, POINT *pts, BOOL close
face_2.end = seg_pts[3];
}
CombineRgn( total, total, segment, RGN_OR );
DeleteObject( segment );
if (need_cap_1) add_cap( pdev, total, pt_1 );
if (need_cap_2) add_cap( pdev, total, pt_2 );
if (need_cap_1) add_cap( pdev, total, round_cap, pt_1 );
if (need_cap_2) add_cap( pdev, total, round_cap, pt_2 );
face_1.dx = face_2.dx = dx;
face_1.dy = face_2.dy = dy;
if (i == 0) first_face = face_1;
else add_join( pdev, total, pt_1, &prev_face, &face_1 );
else add_join( pdev, total, round_cap, pt_1, &prev_face, &face_1 );
if (i == num - 1 && close)
add_join( pdev, total, pt_2, &face_2, &first_face );
add_join( pdev, total, round_cap, pt_2, &face_2, &first_face );
prev_face = face_2;
}
if (round_cap) DeleteObject( round_cap );
return TRUE;
}