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wine
wine-winehq
Commits
331a7af3
Commit
331a7af3
authored
Jul 25, 2017
by
Vincent Povirk
Committed by
Alexandre Julliard
Jul 26, 2017
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gdiplus: Fix a possible floating point exception in path gradients.
Signed-off-by:
Vincent Povirk
<
vincent@codeweavers.com
>
Signed-off-by:
Alexandre Julliard
<
julliard@winehq.org
>
parent
4a70f67f
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graphics.c
dlls/gdiplus/graphics.c
+9
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dlls/gdiplus/graphics.c
View file @
331a7af3
...
...
@@ -1493,9 +1493,18 @@ static GpStatus brush_fill_pixels(GpGraphics *graphics, GpBrush *brush,
REAL
blend_amount
,
pdy
,
pdx
;
pdy
=
yf
-
center_point
.
Y
;
pdx
=
xf
-
center_point
.
X
;
if
(
fabs
(
pdx
)
<=
0
.
001
&&
fabs
(
pdy
)
<=
0
.
001
)
{
/* Too close to center point, don't try to calculate outer color */
outer_color
=
start_color
;
}
else
{
blend_amount
=
(
(
center_point
.
Y
-
start_point
.
Y
)
*
pdx
+
(
start_point
.
X
-
center_point
.
X
)
*
pdy
)
/
(
dy
*
pdx
-
dx
*
pdy
);
outer_color
=
blend_colors
(
start_color
,
end_color
,
blend_amount
);
}
}
distance
=
(
end_point
.
Y
-
start_point
.
Y
)
*
(
start_point
.
X
-
xf
)
+
(
end_point
.
X
-
start_point
.
X
)
*
(
yf
-
start_point
.
Y
);
...
...
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