144 lines
3.6 KiB
C++
144 lines
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "gtest/gtest.h"
|
|
|
|
#include "PolygonTestUtils.h"
|
|
|
|
#include "nsTArray.h"
|
|
#include "Point.h"
|
|
#include "Polygon.h"
|
|
#include "Triangle.h"
|
|
|
|
using namespace mozilla::gfx;
|
|
|
|
TEST(Polygon3D, TriangulateRectangle)
|
|
{
|
|
const Polygon3D p {
|
|
Point3D(0.0f, 0.0f, 1.0f),
|
|
Point3D(0.0f, 1.0f, 1.0f),
|
|
Point3D(1.0f, 1.0f, 1.0f),
|
|
Point3D(1.0f, 0.0f, 1.0f)
|
|
};
|
|
|
|
const nsTArray<Triangle> triangles = p.ToTriangles();
|
|
const nsTArray<Triangle> expected = {
|
|
Triangle(Point(0.0f, 0.0f), Point(0.0f, 1.0f), Point(1.0f, 1.0f)),
|
|
Triangle(Point(0.0f, 0.0f), Point(1.0f, 1.0f), Point(1.0f, 0.0f))
|
|
};
|
|
|
|
AssertArrayEQ(triangles, expected);
|
|
}
|
|
|
|
TEST(Polygon3D, TriangulatePentagon)
|
|
{
|
|
const Polygon3D p {
|
|
Point3D(0.0f, 0.0f, 1.0f),
|
|
Point3D(0.0f, 1.0f, 1.0f),
|
|
Point3D(0.5f, 1.5f, 1.0f),
|
|
Point3D(1.0f, 1.0f, 1.0f),
|
|
Point3D(1.0f, 0.0f, 1.0f)
|
|
};
|
|
|
|
const nsTArray<Triangle> triangles = p.ToTriangles();
|
|
const nsTArray<Triangle> expected = {
|
|
Triangle(Point(0.0f, 0.0f), Point(0.0f, 1.0f), Point(0.5f, 1.5f)),
|
|
Triangle(Point(0.0f, 0.0f), Point(0.5f, 1.5f), Point(1.0f, 1.0f)),
|
|
Triangle(Point(0.0f, 0.0f), Point(1.0f, 1.0f), Point(1.0f, 0.0f))
|
|
};
|
|
|
|
AssertArrayEQ(triangles, expected);
|
|
}
|
|
|
|
TEST(Polygon3D, ClipRectangle)
|
|
{
|
|
Polygon3D clipped, expected;
|
|
|
|
Polygon3D polygon {
|
|
Point3D(0.0f, 0.0f, 0.0f),
|
|
Point3D(0.0f, 1.0f, 0.0f),
|
|
Point3D(1.0f, 1.0f, 0.0f),
|
|
Point3D(1.0f, 0.0f, 0.0f)
|
|
};
|
|
|
|
clipped = polygon.ClipPolygon(Rect(0.0f, 0.0f, 1.0f, 1.0f));
|
|
EXPECT_TRUE(clipped == polygon);
|
|
|
|
|
|
clipped = polygon.ClipPolygon(Rect(0.0f, 0.0f, 0.8f, 0.8f));
|
|
expected = Polygon3D {
|
|
Point3D(0.0f, 0.0f, 0.0f),
|
|
Point3D(0.0f, 0.8f, 0.0f),
|
|
Point3D(0.8f, 0.8f, 0.0f),
|
|
Point3D(0.8f, 0.0f, 0.0f)
|
|
};
|
|
EXPECT_TRUE(clipped == expected);
|
|
|
|
|
|
clipped = polygon.ClipPolygon(Rect(0.2f, 0.2f, 0.8f, 0.8f));
|
|
expected = Polygon3D {
|
|
Point3D(0.2f, 0.2f, 0.0f),
|
|
Point3D(0.2f, 1.0f, 0.0f),
|
|
Point3D(1.0f, 1.0f, 0.0f),
|
|
Point3D(1.0f, 0.2f, 0.0f)
|
|
};
|
|
EXPECT_TRUE(clipped == expected);
|
|
|
|
|
|
clipped = polygon.ClipPolygon(Rect(0.2f, 0.2f, 0.6f, 0.6f));
|
|
expected = Polygon3D {
|
|
Point3D(0.2f, 0.2f, 0.0f),
|
|
Point3D(0.2f, 0.8f, 0.0f),
|
|
Point3D(0.8f, 0.8f, 0.0f),
|
|
Point3D(0.8f, 0.2f, 0.0f)
|
|
};
|
|
EXPECT_TRUE(clipped == expected);
|
|
}
|
|
|
|
TEST(Polygon3D, ClipTriangle)
|
|
{
|
|
Polygon3D clipped, expected;
|
|
const Polygon3D polygon {
|
|
Point3D(0.0f, 0.0f, 0.0f),
|
|
Point3D(0.0f, 1.0f, 0.0f),
|
|
Point3D(1.0f, 1.0f, 0.0f)
|
|
};
|
|
|
|
clipped = polygon.ClipPolygon(Rect(0.0f, 0.0f, 1.0f, 1.0f));
|
|
expected = Polygon3D {
|
|
Point3D(0.0f, 0.0f, 0.0f),
|
|
Point3D(0.0f, 1.0f, 0.0f),
|
|
Point3D(1.0f, 1.0f, 0.0f)
|
|
};
|
|
EXPECT_TRUE(clipped == expected);
|
|
|
|
|
|
clipped = polygon.ClipPolygon(Rect(0.0f, 0.0f, 0.8f, 0.8f));
|
|
expected = Polygon3D {
|
|
Point3D(0.0f, 0.0f, 0.0f),
|
|
Point3D(0.0f, 0.8f, 0.0f),
|
|
Point3D(0.8f, 0.8f, 0.0f)
|
|
};
|
|
EXPECT_TRUE(clipped == expected);
|
|
|
|
|
|
clipped = polygon.ClipPolygon(Rect(0.2f, 0.2f, 0.8f, 0.8f));
|
|
expected = Polygon3D {
|
|
Point3D(0.2f, 0.2f, 0.0f),
|
|
Point3D(0.2f, 1.0f, 0.0f),
|
|
Point3D(1.0f, 1.0f, 0.0f)
|
|
};
|
|
EXPECT_TRUE(clipped == expected);
|
|
|
|
|
|
clipped = polygon.ClipPolygon(Rect(0.2f, 0.2f, 0.6f, 0.6f));
|
|
expected = Polygon3D {
|
|
Point3D(0.2f, 0.2f, 0.0f),
|
|
Point3D(0.2f, 0.8f, 0.0f),
|
|
Point3D(0.8f, 0.8f, 0.0f)
|
|
};
|
|
EXPECT_TRUE(clipped == expected);
|
|
}
|