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[Impeller] Add missing stream ops (flutter/engine#37034)

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This commit is contained in:
Brandon DeRosier 2022-10-26 11:36:29 -07:00 committed by GitHub
parent 4572923236
commit 702a9365bd
2 changed files with 90 additions and 14 deletions
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90
engine/src/flutter/impeller/geometry/geometry_unittests.cc
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@ -1616,32 +1616,94 @@ TEST(GeometryTest, VerticesConstructorAndGetters) {
}
TEST(GeometryTest, MatrixPrinting) {
std::stringstream stream;
Matrix m;
stream << m;
ASSERT_EQ(stream.str(), R"((
{
std::stringstream stream;
Matrix m;
stream << m;
ASSERT_EQ(stream.str(), R"((
1.000000, 0.000000, 0.000000, 0.000000,
0.000000, 1.000000, 0.000000, 0.000000,
0.000000, 0.000000, 1.000000, 0.000000,
0.000000, 0.000000, 0.000000, 1.000000,
))");
}
stream.str("");
stream.clear();
{
std::stringstream stream;
Matrix m = Matrix::MakeTranslation(Vector3(10, 20, 30));
stream << m;
m = Matrix::MakeTranslation(Vector3(10, 20, 30));
stream << m;
ASSERT_EQ(stream.str(), R"((
ASSERT_EQ(stream.str(), R"((
1.000000, 0.000000, 0.000000, 10.000000,
0.000000, 1.000000, 0.000000, 20.000000,
0.000000, 0.000000, 1.000000, 30.000000,
0.000000, 0.000000, 0.000000, 1.000000,
))");
}
}
TEST(GeometryTest, PointPrinting) {
{
std::stringstream stream;
Point m;
stream << m;
ASSERT_EQ(stream.str(), "(0, 0)");
}
{
std::stringstream stream;
Point m(13, 37);
stream << m;
ASSERT_EQ(stream.str(), "(13, 37)");
}
}
TEST(GeometryTest, Vector3Printing) {
{
std::stringstream stream;
Vector3 m;
stream << m;
ASSERT_EQ(stream.str(), "(0, 0, 0)");
}
{
std::stringstream stream;
Vector3 m(1, 2, 3);
stream << m;
ASSERT_EQ(stream.str(), "(1, 2, 3)");
}
}
TEST(GeometryTest, Vector4Printing) {
{
std::stringstream stream;
Vector4 m;
stream << m;
ASSERT_EQ(stream.str(), "(0, 0, 0, 1)");
}
{
std::stringstream stream;
Vector4 m(1, 2, 3, 4);
stream << m;
ASSERT_EQ(stream.str(), "(1, 2, 3, 4)");
}
}
TEST(GeometryTest, ColorPrinting) {
{
std::stringstream stream;
Color m;
stream << m;
ASSERT_EQ(stream.str(), "(0, 0, 0, 0)");
}
{
std::stringstream stream;
Color m(1, 2, 3, 4);
stream << m;
ASSERT_EQ(stream.str(), "(1, 2, 3, 4)");
}
}
TEST(GeometryTest, Gradient) {

14
engine/src/flutter/impeller/geometry/vector.h
View File

@ -247,3 +247,17 @@ static_assert(sizeof(Vector3) == 3 * sizeof(Scalar));
static_assert(sizeof(Vector4) == 4 * sizeof(Scalar));
} // namespace impeller
namespace std {
inline std::ostream& operator<<(std::ostream& out, const impeller::Vector3& p) {
out << "(" << p.x << ", " << p.y << ", " << p.z << ")";
return out;
}
inline std::ostream& operator<<(std::ostream& out, const impeller::Vector4& p) {
out << "(" << p.x << ", " << p.y << ", " << p.z << ", " << p.w << ")";
return out;
}
} // namespace std