blob: d4a49763fea866b9261a3eba78d2f89180de44ed (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
// Copyright 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "config.h"
#include "FloatQuad.h"
#include "cc/math_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/rect_f.h"
#include <public/WebTransformationMatrix.h>
using namespace cc;
using WebKit::WebTransformationMatrix;
namespace {
TEST(FloatQuadTest, IsRectilinearTest)
{
const int numRectilinear = 8;
WebTransformationMatrix rectilinearTrans[numRectilinear];
rectilinearTrans[1].rotate(90);
rectilinearTrans[2].rotate(180);
rectilinearTrans[3].rotate(270);
rectilinearTrans[4].skewX(0.00000000001);
rectilinearTrans[5].skewY(0.00000000001);
rectilinearTrans[6].scale(0.00001);
rectilinearTrans[6].rotate(180);
rectilinearTrans[7].scale(100000);
rectilinearTrans[7].rotate(180);
for (int i = 0; i < numRectilinear; ++i) {
bool clipped = false;
FloatQuad quad = MathUtil::mapQuad(rectilinearTrans[i], gfx::RectF(0.01010101f, 0.01010101f, 100.01010101f, 100.01010101f), clipped);
ASSERT_TRUE(!clipped);
EXPECT_TRUE(quad.isRectilinear());
}
const int numNonRectilinear = 10;
WebTransformationMatrix nonRectilinearTrans[numNonRectilinear];
nonRectilinearTrans[0].rotate(359.999);
nonRectilinearTrans[1].rotate(0.0000001);
nonRectilinearTrans[2].rotate(89.999999);
nonRectilinearTrans[3].rotate(90.0000001);
nonRectilinearTrans[4].rotate(179.999999);
nonRectilinearTrans[5].rotate(180.0000001);
nonRectilinearTrans[6].rotate(269.999999);
nonRectilinearTrans[7].rotate(270.0000001);
nonRectilinearTrans[8].skewX(0.00001);
nonRectilinearTrans[9].skewY(0.00001);
for (int i = 0; i < numNonRectilinear; ++i) {
bool clipped = false;
FloatQuad quad = MathUtil::mapQuad(nonRectilinearTrans[i], gfx::RectF(0.01010101f, 0.01010101f, 100.01010101f, 100.01010101f), clipped);
ASSERT_TRUE(!clipped);
EXPECT_FALSE(quad.isRectilinear());
}
}
} // empty namespace
|
