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common paint: fix a memory leak.

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delete dangling object properly in the corner case.

Unfortunately, this brings to correct the capi test cases.
we assume the paints is deleted whenever its result is successful or not.

@Issue: https://github.com/Samsung/thorvg/issues/995
This commit is contained in:
Hermet Park 2021-11-09 14:32:04 +09:00 • committed by Hermet Park
parent 775a0bcb1d
commit 74413a989f
2 changed files with 15 additions and 7 deletions
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4
src/lib/tvgPaint.cpp
View file

@ -353,7 +353,9 @@ Paint* Paint::duplicate() const noexcept
Result Paint::composite(std::unique_ptr<Paint> target, CompositeMethod method) noexcept
{
if (pImpl->composite(target.release(), method)) return Result::Success;
auto p = target.release();
if (pImpl->composite(p, method)) return Result::Success;
if (p) delete(p);
return Result::InvalidArguments;
}

18
test/capi/capiPaint.cpp
View file

@ -216,18 +216,24 @@ TEST_CASE("Paint Clip Path Composite Method", "[capiPaint]")
REQUIRE(target);
REQUIRE(tvg_paint_set_composite_method(paint, NULL, TVG_COMPOSITE_METHOD_NONE) == TVG_RESULT_SUCCESS);
REQUIRE(tvg_paint_set_composite_method(paint, target, TVG_COMPOSITE_METHOD_NONE) == TVG_RESULT_INVALID_ARGUMENT);
Tvg_Paint* target2 = tvg_shape_new();
REQUIRE(target2);
REQUIRE(tvg_paint_set_composite_method(paint, target2, TVG_COMPOSITE_METHOD_NONE) == TVG_RESULT_INVALID_ARGUMENT);
REQUIRE(tvg_paint_set_composite_method(paint, NULL, TVG_COMPOSITE_METHOD_CLIP_PATH) == TVG_RESULT_INVALID_ARGUMENT);
REQUIRE(tvg_paint_set_composite_method(paint, target, TVG_COMPOSITE_METHOD_CLIP_PATH) == TVG_RESULT_SUCCESS);
const Tvg_Paint* target2 = nullptr;
Tvg_Paint* target3 = tvg_shape_new();
REQUIRE(target3);
REQUIRE(tvg_paint_set_composite_method(paint, target3, TVG_COMPOSITE_METHOD_CLIP_PATH) == TVG_RESULT_SUCCESS);
const Tvg_Paint* target4 = nullptr;
Tvg_Composite_Method method = TVG_COMPOSITE_METHOD_NONE;
REQUIRE(tvg_paint_get_composite_method(paint, NULL, &method) == TVG_RESULT_INVALID_ARGUMENT);
REQUIRE(tvg_paint_get_composite_method(paint, &target2, NULL) == TVG_RESULT_INVALID_ARGUMENT);
REQUIRE(tvg_paint_get_composite_method(paint, &target2, &method) == TVG_RESULT_SUCCESS);
REQUIRE(tvg_paint_get_composite_method(paint, &target4, NULL) == TVG_RESULT_INVALID_ARGUMENT);
REQUIRE(tvg_paint_get_composite_method(paint, &target4, &method) == TVG_RESULT_SUCCESS);
REQUIRE(method == TVG_COMPOSITE_METHOD_CLIP_PATH);
REQUIRE(target == target2);
REQUIRE(target3 == target4);
REQUIRE(tvg_paint_del(paint) == TVG_RESULT_SUCCESS);
}