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gdi32: Add support for 1-pixel wide PS_USERSTYLE pens.

This commit is contained in:
Alexandre Julliard 2011-12-28 17:41:15 +01:00
parent 305be80e2f
commit f155db574f
1 changed files with 27 additions and 1 deletions
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28
dlls/gdi32/dibdrv/objects.c
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@ -1253,6 +1253,24 @@ static const dash_pattern dash_patterns_geometric[4] =
{6, {3, 1, 1, 1, 1, 1}, 8} /* PS_DASHDOTDOT */
};
static inline void set_dash_pattern( dash_pattern *pattern, DWORD count, DWORD *dashes )
{
DWORD i;
pattern->count = count;
pattern->total_len = 0;
memcpy( pattern->dashes, dashes, count * sizeof(DWORD) );
for (i = 0; i < count; i++) pattern->total_len += dashes[i];
if (pattern->count % 2) pattern->total_len *= 2;
}
static inline void scale_dash_pattern( dash_pattern *pattern, DWORD scale )
{
DWORD i;
for (i = 0; i < pattern->count; i++) pattern->dashes[i] *= scale;
pattern->total_len *= scale;
}
static inline int get_pen_device_width( dibdrv_physdev *pdev, int width )
{
POINT pts[2];
@ -1303,7 +1321,7 @@ HPEN dibdrv_SelectPen( PHYSDEV dev, HPEN hpen )
logpen.lopnColor = GetDCPenColor( dev->hdc );
pdev->pen_colorref = logpen.lopnColor;
memset( &pdev->pen_pattern, 0, sizeof(pdev->pen_pattern) );
set_dash_pattern( &pdev->pen_pattern, 0, NULL );
pdev->defer |= DEFER_PEN;
@ -1351,6 +1369,14 @@ HPEN dibdrv_SelectPen( PHYSDEV dev, HPEN hpen )
pdev->defer &= ~DEFER_PEN;
break;
case PS_USERSTYLE:
if (pdev->pen_width > 1) break; /* not supported yet */
pdev->pen_lines = dashed_pen_lines;
set_dash_pattern( &pdev->pen_pattern, elp->elpNumEntries, elp->elpStyleEntry );
if (!(logpen.lopnStyle & PS_GEOMETRIC)) scale_dash_pattern( &pdev->pen_pattern, 3 );
pdev->defer &= ~DEFER_PEN;
break;
default:
break;
}