[RFC PATCH 8/8] d2d1: Cubic bezier-line intersection tests.

[Connor McAdams]

Signed-off-by: Connor McAdams <conmanx360 at gmail.com>
---
 dlls/d2d1/tests/d2d1.c | 72 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)

diff --git a/dlls/d2d1/tests/d2d1.c b/dlls/d2d1/tests/d2d1.c
index a3fe5f10a8..7426a793c0 100644
--- a/dlls/d2d1/tests/d2d1.c
+++ b/dlls/d2d1/tests/d2d1.c
@@ -8256,6 +8256,78 @@ static void test_bezier_intersect(void)
             "c9EBcdQBb9YBbNkBatsBaN0BZeEBYuQBX+gBW+0BVvEBUvUBTvwBR4QCQIoCOZgCK6oCGQIA");
     ok(match, "Figure does not match.\n");
 
+    /* Cubic bezier figure with a single line-bezier intersection and multiple
+     * double line-bezier intersections. */
+    hr = ID2D1Factory_CreatePathGeometry(factory, &geometry);
+    ok(SUCCEEDED(hr), "Failed to create path geometry, hr %#x.\n", hr);
+    hr = ID2D1PathGeometry_Open(geometry, &sink);
+    ok(SUCCEEDED(hr), "Failed to open geometry sink, hr %#x.\n", hr);
+
+    set_point(&point, 50.0f, 120.0f);
+    ID2D1GeometrySink_BeginFigure(sink, point, D2D1_FIGURE_BEGIN_FILLED);
+    cubic_to(sink, 100.0f, 20.0f,  150.0f,  220.0f, 200.0f, 120.0f);
+    cubic_to(sink, 150.0f, 320.0f, 250.0f,  520.0f, 200.0f, 720.0f);
+    cubic_to(sink, 150.0f, 620.0f,  100.0f, 820.0f, 50.0f, 720.0f);
+    cubic_to(sink,  0.0f, 520.0f, 100.0f, 320.0f, 50.0f, 120.0f);
+    ID2D1GeometrySink_EndFigure(sink, D2D1_FIGURE_END_CLOSED);
+
+    set_point(&point, 40.0f, 80.0f);
+    ID2D1GeometrySink_BeginFigure(sink, point, D2D1_FIGURE_BEGIN_FILLED);
+    line_to(sink, 180.0f, 80.0f);
+    line_to(sink, 180.0f, 720.0f);
+    line_to(sink, 40.0f, 720.0f);
+
+    ID2D1GeometrySink_EndFigure(sink, D2D1_FIGURE_END_CLOSED);
+
+    hr = ID2D1GeometrySink_Close(sink);
+    ok(SUCCEEDED(hr), "Failed to close geometry sink, hr %#x.\n", hr);
+    ID2D1GeometrySink_Release(sink);
+
+    ID2D1RenderTarget_BeginDraw(rt);
+    set_color(&color, 1.0f, 1.0f, 1.0f, 1.0f);
+    set_color(&color, 0.396f, 0.180f, 0.537f, 1.0f);
+    ID2D1RenderTarget_Clear(rt, &color);
+    ID2D1RenderTarget_FillGeometry(rt, (ID2D1Geometry *)geometry, (ID2D1Brush *)brush, NULL);
+    hr = ID2D1RenderTarget_EndDraw(rt, NULL, NULL);
+    ok(SUCCEEDED(hr), "Failed to end draw, hr %#x.\n", hr);
+    ID2D1PathGeometry_Release(geometry);
+
+    /* Cubic bezier figure with a line-bezier intersection of 3 points within
+     * one line and one bezier segment. */
+    hr = ID2D1Factory_CreatePathGeometry(factory, &geometry);
+    ok(SUCCEEDED(hr), "Failed to create path geometry, hr %#x.\n", hr);
+    hr = ID2D1PathGeometry_Open(geometry, &sink);
+    ok(SUCCEEDED(hr), "Failed to open geometry sink, hr %#x.\n", hr);
+
+    set_point(&point, 50.0f, 120.0f);
+    ID2D1GeometrySink_BeginFigure(sink, point, D2D1_FIGURE_BEGIN_FILLED);
+    cubic_to(sink, 100.0f, 20.0f,  150.0f,  220.0f, 200.0f, 120.0f);
+    cubic_to(sink, 150.0f, 320.0f, 250.0f,  520.0f, 200.0f, 720.0f);
+    cubic_to(sink, 150.0f, 620.0f,  100.0f, 820.0f, 50.0f, 720.0f);
+    cubic_to(sink,  0.0f, 520.0f, 100.0f, 320.0f, 50.0f, 120.0f);
+    ID2D1GeometrySink_EndFigure(sink, D2D1_FIGURE_END_CLOSED);
+
+    set_point(&point, 20.0f, 20.0f);
+    ID2D1GeometrySink_BeginFigure(sink, point, D2D1_FIGURE_BEGIN_FILLED);
+    line_to(sink, 180.0f, 80.0f);
+    line_to(sink, 220.0f, 900.0f);
+    line_to(sink, 20.0f, 900.0f);
+
+    ID2D1GeometrySink_EndFigure(sink, D2D1_FIGURE_END_CLOSED);
+
+    hr = ID2D1GeometrySink_Close(sink);
+    ok(SUCCEEDED(hr), "Failed to close geometry sink, hr %#x.\n", hr);
+    ID2D1GeometrySink_Release(sink);
+
+    ID2D1RenderTarget_BeginDraw(rt);
+    set_color(&color, 1.0f, 1.0f, 1.0f, 1.0f);
+    set_color(&color, 0.396f, 0.180f, 0.537f, 1.0f);
+    ID2D1RenderTarget_Clear(rt, &color);
+    ID2D1RenderTarget_FillGeometry(rt, (ID2D1Geometry *)geometry, (ID2D1Brush *)brush, NULL);
+    hr = ID2D1RenderTarget_EndDraw(rt, NULL, NULL);
+    ok(SUCCEEDED(hr), "Failed to end draw, hr %#x.\n", hr);
+    ID2D1PathGeometry_Release(geometry);
+
     ID2D1SolidColorBrush_Release(brush);
     ID2D1RenderTarget_Release(rt);
     refcount = ID2D1Factory_Release(factory);
-- 
2.20.1