Zhiyi Zhang : gdiplus: Avoid calling GdipFillPath() with an empty path.
Alexandre Julliard
julliard at winehq.org
Wed Jun 20 17:13:13 CDT 2018
Module: wine
Branch: master
Commit: cba24001e482fa8a8a1fbf5d5390539e2792b1aa
URL: https://source.winehq.org/git/wine.git/?a=commit;h=cba24001e482fa8a8a1fbf5d5390539e2792b1aa
Author: Zhiyi Zhang <zzhang at codeweavers.com>
Date: Wed Jun 20 15:14:19 2018 +0800
gdiplus: Avoid calling GdipFillPath() with an empty path.
There is no point filling an empty path. And an empty
path will cause SelectClipPath() used in brush_fill_path()
to return error.
Signed-off-by: Zhiyi Zhang <zzhang at codeweavers.com>
Signed-off-by: Vincent Povirk <vincent at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/gdiplus/graphics.c | 3 +++
dlls/gdiplus/tests/graphics.c | 47 +++++++++++++++++++++++++++++++++++++++++++
2 files changed, 50 insertions(+)
diff --git a/dlls/gdiplus/graphics.c b/dlls/gdiplus/graphics.c
index a793665..2d23085 100644
--- a/dlls/gdiplus/graphics.c
+++ b/dlls/gdiplus/graphics.c
@@ -4264,6 +4264,9 @@ GpStatus WINGDIPAPI GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *p
if(graphics->busy)
return ObjectBusy;
+ if (!path->pathdata.Count)
+ return Ok;
+
if (graphics->image && graphics->image->type == ImageTypeMetafile)
return METAFILE_FillPath((GpMetafile*)graphics->image, brush, path);
diff --git a/dlls/gdiplus/tests/graphics.c b/dlls/gdiplus/tests/graphics.c
index ae75c0e..5eb0a8a 100644
--- a/dlls/gdiplus/tests/graphics.c
+++ b/dlls/gdiplus/tests/graphics.c
@@ -1539,6 +1539,52 @@ static void test_GdipFillClosedCurveI(void)
ReleaseDC(hwnd, hdc);
}
+static void test_GdipFillPath(void)
+{
+ GpStatus status;
+ GpGraphics *graphics;
+ GpSolidFill *brush;
+ GpPath *path;
+ HDC hdc = GetDC(hwnd);
+
+ ok(hdc != NULL, "Expected HDC to be initialized\n");
+ status = GdipCreateFromHDC(hdc, &graphics);
+ expect(Ok, status);
+ ok(graphics != NULL, "Expected graphics to be initialized\n");
+ status = GdipCreateSolidFill((ARGB)0xffffffff, &brush);
+ expect(Ok, status);
+ ok(brush != NULL, "Expected brush to be initialized\n");
+ status = GdipCreatePath(FillModeAlternate, &path);
+ expect(Ok, status);
+ ok(path != NULL, "Expected path to be initialized\n");
+
+ /* Empty path */
+ GdipResetPath(path);
+ status = GdipFillPath(graphics, (GpBrush *)brush, path);
+ expect(Ok, status);
+
+ /* Not closed path */
+ GdipResetPath(path);
+ status = GdipAddPathLineI(path, 0, 0, 2, 2);
+ expect(Ok, status);
+ status = GdipAddPathLineI(path, 2, 2, 4, 0);
+ expect(Ok, status);
+ status = GdipFillPath(graphics, (GpBrush *)brush, path);
+ expect(Ok, status);
+
+ /* Closed path */
+ GdipResetPath(path);
+ status = GdipAddPathRectangle(path, 0, 0, 4, 4);
+ expect(Ok, status);
+ status = GdipFillPath(graphics, (GpBrush *)brush, path);
+ expect(Ok, status);
+
+ GdipDeletePath(path);
+ GdipDeleteBrush((GpBrush *)brush);
+ GdipDeleteGraphics(graphics);
+ ReleaseDC(hwnd, hdc);
+}
+
static void test_Get_Release_DC(void)
{
GpStatus status;
@@ -6795,6 +6841,7 @@ START_TEST(graphics)
test_GdipDrawImagePointsRect();
test_GdipFillClosedCurve();
test_GdipFillClosedCurveI();
+ test_GdipFillPath();
test_GdipDrawString();
test_GdipGetNearestColor();
test_GdipGetVisibleClipBounds();
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