[PATCH 6/6] gdiplus: Add LineCapDiamondAnchor path-widening.
Jeff Smith
whydoubt at gmail.com
Tue Feb 18 23:52:01 CST 2020
Signed-off-by: Jeff Smith <whydoubt at gmail.com>
---
dlls/gdiplus/graphicspath.c | 28 ++++++++++++++++++++++++++--
dlls/gdiplus/tests/graphicspath.c | 2 +-
2 files changed, 27 insertions(+), 3 deletions(-)
diff --git a/dlls/gdiplus/graphicspath.c b/dlls/gdiplus/graphicspath.c
index 79d99a3eb4..249f584089 100644
--- a/dlls/gdiplus/graphicspath.c
+++ b/dlls/gdiplus/graphicspath.c
@@ -2068,6 +2068,30 @@ static void add_anchor(const GpPointF *endpoint, const GpPointF *nextpoint,
break;
}
+ case LineCapDiamondAnchor:
+ {
+ REAL segment_dy = nextpoint->Y-endpoint->Y;
+ REAL segment_dx = nextpoint->X-endpoint->X;
+ REAL segment_length = sqrtf(segment_dy*segment_dy + segment_dx*segment_dx);
+ REAL par_dx, par_dy;
+ REAL perp_dx, perp_dy;
+
+ par_dx = -pen->width * segment_dx / segment_length;
+ par_dy = -pen->width * segment_dy / segment_length;
+
+ perp_dx = -pen->width * segment_dy / segment_length;
+ perp_dy = pen->width * segment_dx / segment_length;
+
+ *last_point = add_path_list_node(*last_point, endpoint->X + par_dx,
+ endpoint->Y + par_dy, PathPointTypeStart);
+ *last_point = add_path_list_node(*last_point, endpoint->X - perp_dx,
+ endpoint->Y - perp_dy, PathPointTypeLine);
+ *last_point = add_path_list_node(*last_point, endpoint->X - par_dx,
+ endpoint->Y - par_dy, PathPointTypeLine);
+ *last_point = add_path_list_node(*last_point, endpoint->X + perp_dx,
+ endpoint->Y + perp_dy, PathPointTypeLine);
+ break;
+ }
}
(*last_point)->type |= PathPointTypeCloseSubpath;
@@ -2323,10 +2347,10 @@ GpStatus WINGDIPAPI GdipWidenPath(GpPath *path, GpPen *pen, GpMatrix *matrix,
{
last_point = points;
- if (pen->endcap > LineCapRoundAnchor)
+ if (pen->endcap > LineCapDiamondAnchor)
FIXME("unimplemented end cap %x\n", pen->endcap);
- if (pen->startcap > LineCapRoundAnchor)
+ if (pen->startcap > LineCapDiamondAnchor)
FIXME("unimplemented start cap %x\n", pen->startcap);
if (pen->dashcap != DashCapFlat)
diff --git a/dlls/gdiplus/tests/graphicspath.c b/dlls/gdiplus/tests/graphicspath.c
index 6acfddd53e..aabacef3aa 100644
--- a/dlls/gdiplus/tests/graphicspath.c
+++ b/dlls/gdiplus/tests/graphicspath.c
@@ -1389,7 +1389,7 @@ static void test_widen_cap(void)
{ LineCapRoundAnchor, widenline_caproundanchor_path,
ARRAY_SIZE(widenline_caproundanchor_path) },
{ LineCapDiamondAnchor, widenline_capdiamondanchor_path,
- ARRAY_SIZE(widenline_capdiamondanchor_path), TRUE },
+ ARRAY_SIZE(widenline_capdiamondanchor_path) },
{ LineCapArrowAnchor, widenline_caparrowanchor_path,
ARRAY_SIZE(widenline_caparrowanchor_path), TRUE },
};
--
2.23.0
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