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path_object_t.cpp
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path_object_t.cpp
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/*
* Copyright 2013 Thomas Schöps
* Copyright 2015, 2016, 2019 Kai Pastor
*
* This file is part of OpenOrienteering.
*
* OpenOrienteering is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenOrienteering is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenOrienteering. If not, see <http://www.gnu.org/licenses/>.
*/
#include "path_object_t.h"
#include <QtTest>
#include "global.h"
#include "core/map.h"
#include "core/objects/object.h"
#include "core/symbols/line_symbol.h"
using namespace OpenOrienteering;
namespace QTest
{
template<>
char* toString(const PathObject::Intersections& intersections)
{
QByteArray ba;
ba.reserve(1000);
ba += "Elements: " + QByteArray::number(quint32(intersections.size())) + '\n';
for (const auto& intersection : intersections)
{
ba += " x:" + QByteArray::number(intersection.coord.x());
ba += " y:" + QByteArray::number(intersection.coord.y());
ba += " i:" + QByteArray::number(quint32(intersection.part_index));
ba += " l:" + QByteArray::number(qreal(intersection.length));
ba += " other_i:" + QByteArray::number(quint32(intersection.other_part_index));
ba += " other_l:" + QByteArray::number(qreal(intersection.other_length));
ba += '\n';
}
return qstrdup(ba.data());
}
} // namespace QTest
namespace {
bool equalXY(MapCoord const& lhs, MapCoord const& rhs) {
return lhs.nativeX() == rhs.nativeX()
&& lhs.nativeY() == rhs.nativeY();
}
PathObject::Intersections calculateIntersections(const PathObject& path1, const PathObject& path2)
{
PathObject::Intersections actual_intersections;
path1.calcAllIntersectionsWith(&path2, actual_intersections);
actual_intersections.normalize();
return actual_intersections;
}
} // namespace
PathObjectTest::PathObjectTest(QObject* parent): QObject(parent)
{
// nothing
}
void PathObjectTest::initTestCase()
{
// Static map initializations
Map map;
}
void PathObjectTest::mapCoordTest()
{
auto vector = MapCoordF { 2.0, 0.0 };
QCOMPARE(vector.x(), 2.0);
QCOMPARE(vector.y(), 0.0);
QCOMPARE(vector.length(), 2.0);
QCOMPARE(vector.angle(), 0.0);
vector = vector.perpRight();
QCOMPARE(vector.x(), 0.0);
QCOMPARE(vector.y(), 2.0); // This looks like left, but our y axis is mirrored.
QCOMPARE(vector.length(), 2.0);
QCOMPARE(vector.angle(), M_PI/2); // Remember, our y axis is mirrored.
}
void PathObjectTest::virtualPathTest()
{
// Test open path
auto coords = MapCoordVector { { 0.0, 0.0 }, { 2.0, 0.0 }, { 2.0, 1.0 }, { 2.0, -1.0 } };
auto path = VirtualPath { coords };
auto tangent_scaling = path.calculateTangentScaling(0);
auto& scaling = tangent_scaling.second;
auto right = tangent_scaling.first.perpRight();
right.normalize();
QCOMPARE(right.length(), 1.0);
QCOMPARE(right.x(), 0.0);
QCOMPARE(right.y(), 1.0); // This looks like left, but our y axis is mirrored.
QCOMPARE(right.angle(), M_PI/2);
QCOMPARE(scaling, 1.0);
tangent_scaling = path.calculateTangentScaling(1);
right = tangent_scaling.first.perpRight();
right.normalize();
QCOMPARE(right.x(), -sqrt(2.0)/2);
QCOMPARE(right.y(), sqrt(2.0)/2);
QCOMPARE(right.angle(), 3*M_PI/4);
QCOMPARE(scaling, sqrt(2.0));
tangent_scaling = path.calculateTangentScaling(2);
right = tangent_scaling.first.perpRight();
right.normalize();
QCOMPARE(right.length(), 1.0);
QCOMPARE(right.x(), 0.0);
QCOMPARE(right.y(), 1.0);
QCOMPARE(right.angle(), M_PI/2);
QVERIFY(qIsInf(scaling));
tangent_scaling = path.calculateTangentScaling(3);
right = tangent_scaling.first.perpRight();
right.normalize();
QCOMPARE(right.length(), 1.0);
QCOMPARE(right.x(), 1.0);
QCOMPARE(right.y(), 0.0);
QCOMPARE(right.angle(), 0.0);
QCOMPARE(scaling, 1.0);
// Test close point
coords.emplace_back( 0.0, -1.0 );
coords.emplace_back( 0.0, 0.0 );
coords.back().setClosePoint(true);
path.last_index += 2;
tangent_scaling = path.calculateTangentScaling(0);
right = tangent_scaling.first.perpRight();
right.normalize();
QCOMPARE(right.length(), 1.0);
QCOMPARE(right.x(), -sqrt(2.0)/2);
QCOMPARE(right.y(), sqrt(2.0)/2);
QCOMPARE(right.angle(), 3*M_PI/4);
QCOMPARE(scaling, sqrt(2.0));
tangent_scaling = path.calculateTangentScaling(coords.size()-1);
right = tangent_scaling.first.perpRight();
right.normalize();
QCOMPARE(right.length(), 1.0);
QCOMPARE(right.x(), -sqrt(2.0)/2);
QCOMPARE(right.y(), sqrt(2.0)/2);
QCOMPARE(right.angle(), 3*M_PI/4);
QCOMPARE(scaling, sqrt(2.0));
}
void PathObjectTest::constructorTest()
{
// PathObject(const Symbol* symbol = nullptr)
PathObject no_symbol{};
QCOMPARE(no_symbol.getMap(), static_cast<Map*>(nullptr));
QCOMPARE(no_symbol.getSymbol(), static_cast<Symbol*>(nullptr));
QVERIFY(no_symbol.getRawCoordinateVector().empty());
QVERIFY(no_symbol.parts().empty());
QCOMPARE(no_symbol.getPatternOrigin(), MapCoord());
QCOMPARE(no_symbol.getPatternRotation(), qreal(0));
{
PathObject no_symbol_2{nullptr};
QVERIFY(no_symbol_2.equals(&no_symbol, true));
}
PathObject empty_red{Map::getCoveringRedLine()};
QCOMPARE(empty_red.getMap(), static_cast<Map*>(nullptr));
QCOMPARE(empty_red.getSymbol(), Map::getCoveringRedLine());
QVERIFY(empty_red.getRawCoordinateVector().empty());
QVERIFY(empty_red.parts().empty());
QCOMPARE(empty_red.getPatternOrigin(), MapCoord());
QCOMPARE(empty_red.getPatternRotation(), qreal(0));
QVERIFY(empty_red.equals(&no_symbol, false));
QVERIFY(!empty_red.equals(&no_symbol, true));
// PathObject(const Symbol* symbol, const MapCoordVector& coords, Map* map = nullptr)
Map map;
auto coords = MapCoordVector{
MapCoord{0.0, 0.0}, MapCoord{0.0, 5.0}, MapCoord{5.0, 0.0}, MapCoord{0.0, 0.0, MapCoord::ClosePoint|MapCoord::HolePoint},
MapCoord{1.0, 1.0}, MapCoord{0.0, 3.0}, MapCoord{3.0, 0.0}, MapCoord{1.0, 1.0, MapCoord::ClosePoint|MapCoord::HolePoint}
};
PathObject red_area{Map::getCoveringRedLine(), coords, &map};
QCOMPARE(red_area.getMap(), &map);
QCOMPARE(red_area.getSymbol(), Map::getCoveringRedLine());
QCOMPARE(red_area.getRawCoordinateVector(), coords);
QCOMPARE(red_area.parts().size(), std::size_t(2));
QCOMPARE(red_area.getPatternOrigin(), MapCoord());
QCOMPARE(red_area.getPatternRotation(), qreal(0));
{
PathObject other_area{Map::getCoveringWhiteLine(), coords};
QVERIFY(other_area.getMap() != red_area.getMap()); // not tested by `equals`
QVERIFY(other_area.equals(&red_area, false));
QVERIFY(!other_area.equals(&red_area, true));
other_area.setSymbol(red_area.getSymbol(), true);
QVERIFY(other_area.equals(&red_area, false));
QVERIFY(other_area.equals(&red_area, true));
other_area.setPatternOrigin({1.0, 1.0});
QVERIFY(!other_area.equals(&red_area, false));
QVERIFY(!other_area.equals(&red_area, true));
other_area.setPatternOrigin(red_area.getPatternOrigin());
other_area.setPatternRotation(1.0);
QVERIFY(!other_area.equals(&red_area, false));
QVERIFY(!other_area.equals(&red_area, true));
other_area.setPatternRotation(red_area.getPatternRotation());
QVERIFY(other_area.equals(&red_area, false));
QVERIFY(other_area.equals(&red_area, true));
}
// PathObject(const Symbol* symbol, const PathObject& proto, MapCoordVector::size_type piece)
auto piece = MapCoordVector::size_type(5);
QVERIFY(red_area.getRawCoordinateVector().size() > piece);
PathObject inner_piece{Map::getCoveringWhiteLine(), red_area, piece};
QCOMPARE(inner_piece.getMap(), static_cast<Map*>(nullptr)); // Is this the desired behaviour?
QCOMPARE(inner_piece.getSymbol(), Map::getCoveringWhiteLine());
QVERIFY(std::equal(
begin(inner_piece.getRawCoordinateVector()),
end(inner_piece.getRawCoordinateVector()),
begin(coords)+int(piece),
equalXY) );
QCOMPARE(int(inner_piece.parts().size()), 1);
QCOMPARE(inner_piece.getPatternOrigin(), MapCoord());
QCOMPARE(inner_piece.getPatternRotation(), qreal(0));
piece = 3;
QVERIFY(red_area.getCoordinateRef(piece).isClosePoint());
PathObject piece_from_end{nullptr, red_area, piece};
QCOMPARE(piece_from_end.getCoordinateCount(), MapCoordVector::size_type(2));
QVERIFY(std::equal(
begin(piece_from_end.getRawCoordinateVector()),
end(piece_from_end.getRawCoordinateVector()),
begin(coords),
equalXY) );
// PathObject(const PathPart& proto_part)
PathObject line_from_first_part{red_area.parts().front()};
QVERIFY(std::equal(
begin(line_from_first_part.getRawCoordinateVector()),
end(line_from_first_part.getRawCoordinateVector()),
begin(coords),
equalXY) );
QCOMPARE(line_from_first_part.parts().size(), std::size_t(1));
{
PathObject expect_from_first_part(red_area.getSymbol(), red_area.getRawCoordinateVector());
expect_from_first_part.deletePart(1);
auto actual = line_from_first_part.parts().front();
auto expected = expect_from_first_part.parts().front();
QCOMPARE(actual.size(), expected.size());
QCOMPARE(actual.first_index, expected.first_index);
QCOMPARE(actual.last_index, expected.last_index);
for (auto i = 0u; i < actual.coords.size(); ++i)
{
QCOMPARE(actual.coords[i], expected.coords[i]);
QCOMPARE(actual.coords.flags[i], expected.coords.flags[i]);
}
QVERIFY(std::equal(
begin(actual.path_coords),
end(actual.path_coords),
begin(expected.path_coords),
[](auto& lhs, auto& rhs) {
return lhs.pos == rhs.pos && lhs.index == rhs.index && lhs.param == rhs.param && lhs.clen == rhs.clen;
}) );
}
PathObject line_from_last_part{red_area.parts().back()};
QVERIFY(std::equal(
begin(line_from_last_part.getRawCoordinateVector()),
end(line_from_last_part.getRawCoordinateVector()),
begin(coords)+red_area.parts().back().first_index,
equalXY) );
QCOMPARE(line_from_last_part.parts().size(), std::size_t(1));
{
PathObject expect_from_last_part(red_area.getSymbol(), red_area.getRawCoordinateVector());
expect_from_last_part.deletePart(0);
auto actual = line_from_last_part.parts().front();
auto expected = expect_from_last_part.parts().front();
QCOMPARE(actual.size(), expected.size());
QCOMPARE(actual.first_index, expected.first_index);
QCOMPARE(actual.last_index, expected.last_index);
for (auto i = 0u; i < actual.coords.size(); ++i)
{
QCOMPARE(actual.coords[i], expected.coords[i]);
QCOMPARE(actual.coords.flags[i], expected.coords.flags[i]);
}
QVERIFY(std::equal(
begin(actual.path_coords),
end(actual.path_coords),
begin(expected.path_coords),
[](auto& lhs, auto& rhs) {
return lhs.pos == rhs.pos && lhs.index == rhs.index && lhs.param == rhs.param && lhs.clen == rhs.clen;
}) );
}
// Misc
// "piece" at end of open part
piece = line_from_last_part.parts().back().last_index;
line_from_last_part.getCoordinateRef(piece) = MapCoord{4.0, 0.0, MapCoord::HolePoint};
PathObject piece_from_open_end{nullptr, line_from_last_part, piece};
QCOMPARE(piece_from_open_end.getCoordinateCount(), MapCoordVector::size_type(2));
QVERIFY(std::equal(
begin(piece_from_open_end.getRawCoordinateVector()),
end(piece_from_open_end.getRawCoordinateVector()),
begin(line_from_last_part.getRawCoordinateVector()) + int(piece) - 1,
equalXY) );
}
void PathObjectTest::copyFromTest_data()
{
QTest::addColumn<int>("dash_point_index");
QTest::newRow("no dash point") << -1;
QTest::newRow("dash point at start") << 0;
QTest::newRow("dash point at center") << 1;
QTest::newRow("dash point at end") << 2;
}
void PathObjectTest::copyFromTest()
{
// Simple path
PathObject proto{Map::getCoveringRedLine()};
proto.addCoordinate({0.0, 2.0});
proto.addCoordinate({4.0, 2.0});
proto.addCoordinate({4.0, -2.0});
QFETCH(int, dash_point_index);
for (std::size_t i = 0; i < proto.getCoordinateCount(); ++i)
proto.getCoordinateRef(i).setDashPoint(int(i) == dash_point_index);
{
PathObject path{Map::getCoveringRedLine()};
path.copyFrom(proto);
QCOMPARE(path.getCoordinateCount(), proto.getCoordinateCount());
for (std::size_t i = 0; i < path.getCoordinateCount(); ++i)
QCOMPARE(path.getCoordinate(i), proto.getCoordinate(i));
}
// Closed path with a hole
proto.addCoordinate({0.0, 2.0, MapCoord::ClosePoint});
proto.addCoordinate({0.5, 1.5, MapCoord::HolePoint});
proto.addCoordinate({3.5, 1.5});
proto.addCoordinate({3.5, 0.0});
proto.addCoordinate({0.5, 1.5, MapCoord::ClosePoint});
{
PathObject path{Map::getCoveringRedLine()};
path.copyFrom(proto);
QCOMPARE(path.getCoordinateCount(), proto.getCoordinateCount());
for (std::size_t i = 0; i < path.getCoordinateCount(); ++i)
QCOMPARE(path.getCoordinate(i), proto.getCoordinate(i));
}
}
void PathObjectTest::changePathBoundsBasicTest_data()
{
QTest::addColumn<int>("dash_point_index");
QTest::newRow("no dash point") << -1;
QTest::newRow("dash point at start") << 0;
QTest::newRow("dash point at center") << 1;
QTest::newRow("dash point at end") << 2;
}
void PathObjectTest::changePathBoundsBasicTest()
{
PathObject proto{Map::getCoveringRedLine()};
proto.addCoordinate({0.0, 2.0});
proto.addCoordinate({2.0, 0.0});
proto.addCoordinate({4.0, -2.0, MapCoord::HolePoint});
QFETCH(int, dash_point_index);
for (std::size_t i = 0; i < proto.getCoordinateCount(); ++i)
proto.getCoordinateRef(i).setDashPoint(int(i) == dash_point_index);
proto.updatePathCoords();
{
// full path
PathObject path{Map::getCoveringRedLine()};
path.copyFrom(proto);
path.changePathBounds(0, 0.0, path.parts().front().length());
QCOMPARE(path.getCoordinate(0), proto.getCoordinate(0));
QCOMPARE(path.getCoordinate(1), proto.getCoordinate(1));
QCOMPARE(path.getCoordinate(2), proto.getCoordinate(2));
}
{
// sub-path starting at begin
PathObject path{Map::getCoveringRedLine()};
path.copyFrom(proto);
path.changePathBounds(0, 0.0, 4.0);
QCOMPARE(path.getCoordinate(0), proto.getCoordinate(0));
QCOMPARE(path.getCoordinate(1), proto.getCoordinate(1));
}
{
// sub-path ending at original end
PathObject path{Map::getCoveringRedLine()};
path.copyFrom(proto);
path.changePathBounds(0, 2.0, path.parts().front().length());
QCOMPARE(path.getCoordinate(1), proto.getCoordinate(1));
QCOMPARE(path.getCoordinate(2), proto.getCoordinate(2));
}
{
// inner sub-path
PathObject path{Map::getCoveringRedLine()};
path.copyFrom(proto);
path.changePathBounds(0, 2.0, 4.0);
QCOMPARE(path.getCoordinate(1), proto.getCoordinate(1));
}
}
void PathObjectTest::changePathBoundsTest_data()
{
QTest::addColumn<int>("part_index");
// new bounds by factor
QTest::addColumn<float>("start_len");
QTest::addColumn<float>("end_len");
// expected number of coords
QTest::addColumn<int>("expected_size_fwd");
QTest::addColumn<int>("expected_size_rev");
// The tested path has 6 coordinates and is 4+3+4+4+5 = 20 units long.
// Thus
// - 0.2 is the 2nd coordinate,
// - 0.6 and 0.7 are between 4rd and 5th coordinate,
// - 0.9 is between 5th and 6th coordinate.
QTest::newRow("0.0..1.0") << 0 << 0.0f << 1.0f << 6 << 6;
QTest::newRow("0.0..0.9") << 0 << 0.0f << 0.9f << 6 << 2;
QTest::newRow("0.0..0.7") << 0 << 0.0f << 0.7f << 5 << 3;
QTest::newRow("0.0..0.2") << 0 << 0.0f << 0.2f << 2 << 5;
QTest::newRow("0.0..0.0") << 0 << 0.0f << 0.0f << 6 << 6; // only for closed paths
QTest::newRow("0.2..1.0") << 0 << 0.2f << 1.0f << 5 << 2;
QTest::newRow("0.2..0.9") << 0 << 0.2f << 0.9f << 5 << 3;
QTest::newRow("0.2..0.7") << 0 << 0.2f << 0.7f << 4 << 4;
QTest::newRow("0.2..0.2") << 0 << 0.2f << 0.2f << 6 << 6; // only for closed paths
QTest::newRow("0.6..1.0") << 0 << 0.6f << 1.0f << 3 << 5;
QTest::newRow("0.6..0.9") << 0 << 0.6f << 0.9f << 3 << 6;
QTest::newRow("0.6..0.7") << 0 << 0.6f << 0.7f << 2 << 7;
QTest::newRow("0.6..0.6") << 0 << 0.6f << 0.6f << 7 << 7; // only for closed paths
QTest::newRow("0.9..1.0") << 0 << 0.9f << 1.0f << 2 << 6;
QTest::newRow("0.9..0.9") << 0 << 0.9f << 0.9f << 7 << 7;
QTest::newRow("1.0..1.0") << 0 << 1.0f << 1.0f << 6 << 6; // only for closed paths
}
void PathObjectTest::changePathBoundsTest()
{
QFETCH(int, part_index);
QFETCH(float, start_len);
QFETCH(float, end_len);
QFETCH(int, expected_size_fwd);
QFETCH(int, expected_size_rev);
// For 0.0 or 1.0, products are not precise enough.
auto exact_length = [](float factor, float length) -> float {
if (factor == 0.0f)
return 0.0f;
if (factor == 1.0f)
return length;
return factor * length;
};
// This path is 4+3+4+4+5 = 20 units long.
PathObject proto{Map::getCoveringRedLine()};
proto.addCoordinate({0.0, 4.0});
proto.addCoordinate({0.0, 8.0});
proto.addCoordinate({3.0, 8.0});
proto.addCoordinate({3.0, 4.0});
proto.addCoordinate({3.0, 0.0});
proto.addCoordinate({0.0, 4.0, MapCoord::HolePoint});
proto.updatePathCoords();
auto orig_len = proto.parts().front().length();
QCOMPARE(orig_len, 20.0f);
// open path
if (start_len < end_len)
{
PathObject path{Map::getCoveringRedLine()};
path.copyFrom(proto);
path.changePathBounds(std::size_t(part_index), exact_length(start_len, orig_len), exact_length(end_len, orig_len));
path.updatePathCoords();
QVERIFY(!path.parts().front().isClosed());
QCOMPARE(int(path.getCoordinateCount()), expected_size_fwd);
if (end_len == start_len)
QCOMPARE(path.parts().front().length(), exact_length(1.0, orig_len));
else
QCOMPARE(path.parts().front().length(), exact_length(end_len - start_len, orig_len));
// First and last new coord may differ, but the sequence in between must match.
if (expected_size_fwd > 2)
{
auto first = begin(path.getRawCoordinateVector()) + 1;
auto last = end(path.getRawCoordinateVector()) - 1;
auto seq = std::find_end(
begin(proto.getRawCoordinateVector()), end(proto.getRawCoordinateVector()),
first, last );
QVERIFY(seq != end(proto.getRawCoordinateVector()));
}
}
// closed path
proto.getCoordinateRef(5).setClosePoint(true);
QVERIFY(proto.parts().front().isClosed());
{
// forward
PathObject path{Map::getCoveringRedLine()};
path.copyFrom(proto);
path.changePathBounds(std::size_t(part_index), exact_length(start_len, orig_len), exact_length(end_len, orig_len));
path.updatePathCoords();
QVERIFY(!path.parts().front().isClosed());
QCOMPARE(int(path.getCoordinateCount()), expected_size_fwd);
if (end_len == start_len)
{
QCOMPARE(path.parts().front().length(), exact_length(1.0, orig_len));
auto last_0 = end(path.getRawCoordinateVector()) - 1;
auto cut_0 = std::find(begin(path.getRawCoordinateVector()), last_0, proto.getRawCoordinateVector().front());
QVERIFY(cut_0 != last_0);
QVERIFY(std::equal(
cut_0, last_0,
begin(proto.getRawCoordinateVector())) );
auto last_1 = end(proto.getRawCoordinateVector()) - 1;
auto cut_1 = std::find(begin(proto.getRawCoordinateVector()), last_1, path.getRawCoordinateVector()[1]);
QVERIFY(cut_1 != last_1);
QVERIFY(std::equal(
cut_1, last_1,
begin(path.getRawCoordinateVector()) + 1) );
}
else
{
QCOMPARE(path.parts().front().length(), exact_length(end_len - start_len, orig_len));
// First and last new coord may differ, but the sequence in between must match.
if (expected_size_fwd > 2)
{
auto first = begin(path.getRawCoordinateVector()) + 1;
auto last = end(path.getRawCoordinateVector()) - 1;
auto seq = std::find_end(
begin(proto.getRawCoordinateVector()), end(proto.getRawCoordinateVector()),
first, last );
QVERIFY(seq != end(proto.getRawCoordinateVector()));
}
}
}
{
// reverse
PathObject path{Map::getCoveringRedLine()};
path.copyFrom(proto);
path.changePathBounds(std::size_t(part_index), exact_length(end_len, orig_len), exact_length(start_len, orig_len));
path.updatePathCoords();
QVERIFY(!path.parts().front().isClosed());
QCOMPARE(int(path.getCoordinateCount()), expected_size_rev);
if (end_len == start_len || (start_len == 0.0f && end_len == 1.0f))
{
QCOMPARE(path.parts().front().length(), exact_length(1.0, orig_len));
auto last_0 = end(path.getRawCoordinateVector()) - 1;
auto cut_0 = std::find(begin(path.getRawCoordinateVector()), last_0, proto.getRawCoordinateVector().front());
QVERIFY(cut_0 != last_0);
QVERIFY(std::equal(
cut_0, last_0,
begin(proto.getRawCoordinateVector())) );
auto last_1 = end(proto.getRawCoordinateVector()) - 1;
auto cut_1 = std::find(begin(proto.getRawCoordinateVector()), last_1, path.getRawCoordinateVector()[1]);
QVERIFY(cut_1 != last_1);
QVERIFY(std::equal(
cut_1, last_1,
begin(path.getRawCoordinateVector()) + 1) );
}
else
{
QCOMPARE(path.parts().front().length(), exact_length(1.0f + start_len - end_len, orig_len));
// First and last new coord may differ, but the sequence in between must match.
if (start_len > 0.0f)
{
auto last_0 = end(path.getRawCoordinateVector()) - 1;
auto cut_0 = std::find(begin(path.getRawCoordinateVector()), last_0, proto.getRawCoordinateVector().front());
QVERIFY(cut_0 != last_0);
QVERIFY(std::equal(
cut_0, last_0,
begin(proto.getRawCoordinateVector())) );
}
if (end_len <= 0.75f)
{
auto last_1 = end(proto.getRawCoordinateVector()) - 1;
auto cut_1 = std::find(begin(proto.getRawCoordinateVector()), last_1, path.getRawCoordinateVector()[1]);
QVERIFY(cut_1 != last_1);
QVERIFY(std::equal(
cut_1, last_1,
begin(path.getRawCoordinateVector()) + 1) );
}
}
}
}
void PathObjectTest::splitLineTest_data()
{
QTest::addColumn<int>("dash_point_index");
QTest::newRow("no dash point") << -1;
QTest::newRow("dash point at start") << 0;
QTest::newRow("dash point at center") << 1;
QTest::newRow("dash point at end") << 2;
}
void PathObjectTest::splitLineTest()
{
PathObject proto{Map::getCoveringRedLine()};
proto.addCoordinate({0.0, 2.0});
proto.addCoordinate({2.0, 0.0});
proto.addCoordinate({4.0, -2.0, MapCoord::HolePoint});
QFETCH(int, dash_point_index);
if (dash_point_index >= 0)
proto.getCoordinateRef(std::size_t(dash_point_index)).setDashPoint(true);
auto object_path_coord = ObjectPathCoord { &proto };
auto const distance_sq = object_path_coord.findClosestPointTo({1.0, 1.0});
QVERIFY(qIsNull(distance_sq));
QCOMPARE(object_path_coord.pos, MapCoordF(1.0, 1.0));
auto const split_paths = proto.splitLineAt(object_path_coord);
QCOMPARE(split_paths.size(), std::size_t(2));
auto const *split_0 = split_paths[0];
QCOMPARE(split_0->getCoordinateCount(), std::size_t(2));
QCOMPARE(split_0->getCoordinate(0), proto.getCoordinate(0));
QCOMPARE(split_0->getCoordinate(1), MapCoord(1.0, 1.0, MapCoord::HolePoint));
delete split_0;
auto const *split_1 = split_paths[1];
QCOMPARE(split_1->getCoordinateCount(), std::size_t(3));
QCOMPARE(split_1->getCoordinate(0), MapCoord(1.0, 1.0));
QCOMPARE(split_1->getCoordinate(1), proto.getCoordinate(1));
QCOMPARE(split_1->getCoordinate(2), proto.getCoordinate(2));
delete split_1;
}
void PathObjectTest::removeFromLineTest_data()
{
QTest::addColumn<int>("part_index");
QTest::addColumn<float>("cut_begin");
QTest::addColumn<float>("cut_end");
QTest::addColumn<int>("expected_size");
QTest::newRow("0.0..1.0") << 0 << 0.0f << 1.0f << 0;
QTest::newRow("0.0..0.4") << 0 << 0.0f << 0.4f << 1;
QTest::newRow("0.0..0.0") << 0 << 0.0f << 0.0f << 1;
QTest::newRow("0.4..1.0") << 0 << 0.4f << 1.0f << 1;
QTest::newRow("0.4..0.6") << 0 << 0.4f << 0.6f << 2;
QTest::newRow("0.4..0.4") << 0 << 0.4f << 0.4f << 2;
QTest::newRow("1.0..1.0") << 0 << 1.0f << 1.0f << 1;
}
void PathObjectTest::removeFromLineTest()
{
QFETCH(int, part_index);
QFETCH(float, cut_begin);
QFETCH(float, cut_end);
QFETCH(int, expected_size);
auto compare_head = [](auto& actual, auto& expected) {
QVERIFY(actual.getCoordinateCount() <= expected.getCoordinateCount());
QVERIFY(std::equal(
begin(actual.getRawCoordinateVector()),
end(actual.getRawCoordinateVector()) - 1, // cut point may differ
begin(expected.getRawCoordinateVector()),
equalXY) );
};
auto compare_tail = [](auto& actual, auto& expected) {
QVERIFY(actual.getCoordinateCount() <= expected.getCoordinateCount());
QVERIFY(std::equal(
rbegin(actual.getRawCoordinateVector()),
rend(actual.getRawCoordinateVector()) - 1, // cut point may differ
rbegin(expected.getRawCoordinateVector()),
equalXY) );
};
auto compare_mixed = [](auto& actual, auto& expected, bool forward) {
QVERIFY(actual.getCoordinateCount() <= expected.getCoordinateCount() + 2);
auto expected_join = expected.getCoordinate(0);
auto join = std::find_if(
begin(actual.getRawCoordinateVector()),
end(actual.getRawCoordinateVector()),
[expected_join](auto& current) { return equalXY(current, expected_join); } );
if (!forward)
{
QEXPECT_FAIL("0.4..0.6", "Removing from closed path across the closing point", Abort);
}
QVERIFY(join != end(actual.getRawCoordinateVector()));
QVERIFY(std::equal(
join,
end(actual.getRawCoordinateVector()) - 1, // cut point may differ
begin(expected.getRawCoordinateVector()),
equalXY) );
auto rjoin = std::find_if(
rbegin(actual.getRawCoordinateVector()),
rend(actual.getRawCoordinateVector()),
[expected_join](auto& current) { return equalXY(current, expected_join); } );
QVERIFY(rjoin != rend(actual.getRawCoordinateVector()));
QVERIFY(std::equal(
rjoin,
rend(actual.getRawCoordinateVector()) -1, // cut point may differ
rbegin(expected.getRawCoordinateVector()),
equalXY) );
};
// For 0.0 or 1.0, products are not precise enough.
auto exact_length = [](float factor, float length) -> float {
if (factor == 0.0f)
return 0.0f;
if (factor == 1.0f)
return length;
return factor * length;
};
{
// open path
PathObject proto{Map::getCoveringRedLine()};
proto.addCoordinate({0.0, 2.0});
proto.addCoordinate({2.0, 0.0});
proto.addCoordinate({4.0, -2.0, MapCoord::HolePoint});
proto.updatePathCoords();
auto orig_len = proto.parts().front().length();
auto remaining = proto.removeFromLine(std::size_t(part_index), exact_length(cut_begin, orig_len), exact_length(cut_end, orig_len));
QCOMPARE(int(remaining.size()), expected_size);
for (auto* object : remaining)
object->updatePathCoords();
if (cut_begin > 0.0f)
compare_head(*remaining.front(), proto);
if (cut_end < 1.0f)
compare_tail(*remaining.back(), proto);
qDeleteAll(remaining);
}
{
// closed path
PathObject proto{Map::getCoveringRedLine()};
proto.addCoordinate({0.0, 2.0});
proto.addCoordinate({4.0, 2.0});
proto.addCoordinate({4.0, -2.0});
proto.addCoordinate({0.0, 2.0, MapCoord::HolePoint | MapCoord::ClosePoint});
proto.updatePathCoords();
auto orig_len = proto.parts().front().length();
auto remaining = proto.removeFromLine(std::size_t(part_index), exact_length(cut_begin, orig_len), exact_length(cut_end, orig_len));
QCOMPARE(int(remaining.size()), std::min(1, expected_size));
if (expected_size > 0)
compare_mixed(*remaining.front(), proto, true);
qDeleteAll(remaining);
remaining = proto.removeFromLine(std::size_t(part_index), exact_length(cut_end, orig_len), exact_length(cut_begin, orig_len));
QCOMPARE(int(remaining.size()), 1);
compare_mixed(*remaining.front(), proto, false);
qDeleteAll(remaining);
}
}
void PathObjectTest::calcIntersectionsTest()
{
{
// Line-Line perpendicular intersection
PathObject perpendicular1{Map::getCoveringRedLine()};
perpendicular1.addCoordinate(MapCoord(10, 20));
perpendicular1.addCoordinate(MapCoord(30, 20));
PathObject perpendicular2{Map::getCoveringRedLine()};
perpendicular2.addCoordinate(MapCoord(20, 10));
perpendicular2.addCoordinate(MapCoord(20, 30));
PathObject::Intersection intersection{};
intersection.coord = MapCoordF(20, 20);
intersection.length = 10;
intersection.other_length = 10;
PathObject::Intersections intersections_perpendicular;
intersections_perpendicular.reserve(1);
intersections_perpendicular.push_back(intersection);
QCOMPARE(calculateIntersections(perpendicular1, perpendicular2), intersections_perpendicular);
QCOMPARE(calculateIntersections(perpendicular2, perpendicular1), intersections_perpendicular);
perpendicular1.reverse();
QCOMPARE(calculateIntersections(perpendicular1, perpendicular2), intersections_perpendicular);
}
{
// Intersection at explicit common point
PathObject common_point_path1{Map::getCoveringRedLine()};
common_point_path1.addCoordinate(MapCoord(10, 30));
common_point_path1.addCoordinate(MapCoord(30, 30));
common_point_path1.addCoordinate(MapCoord(50, 30));
PathObject common_point_path2{Map::getCoveringRedLine()};
common_point_path2.addCoordinate(MapCoord(30, 10));
common_point_path2.addCoordinate(MapCoord(30, 30));
common_point_path2.addCoordinate(MapCoord(30, 50));
PathObject::Intersection intersection{};
intersection.coord = MapCoordF(30, 30);
intersection.length = 20;
intersection.other_length = 20;
PathObject::Intersections intersections_point;
intersections_point.reserve(1);
intersections_point.push_back(intersection);
QCOMPARE(calculateIntersections(common_point_path1, common_point_path2), intersections_point);
}
{
// Line-Line parallel intersection
PathObject parallel1{Map::getCoveringRedLine()};
parallel1.addCoordinate(MapCoord(10, 0));
parallel1.addCoordinate(MapCoord(30, 0));
parallel1.addCoordinate(MapCoord(50, 0));
PathObject parallel2{Map::getCoveringRedLine()};
parallel2.addCoordinate(MapCoord(20, 0));
parallel2.addCoordinate(MapCoord(40, 0));
parallel2.addCoordinate(MapCoord(60, 0));
PathObject::Intersections intersections_parallel;
intersections_parallel.reserve(2);
PathObject::Intersection intersection{};
intersection.coord = MapCoordF(20, 0);
intersection.length = 10;
intersection.other_length = 0;
intersections_parallel.push_back(intersection);
intersection.coord = MapCoordF(50, 0);
intersection.length = 40;
intersection.other_length = 30;
intersections_parallel.push_back(intersection);
QCOMPARE(calculateIntersections(parallel1, parallel2), intersections_parallel);
// Intersection at parallel start / end
PathObject parallel3{Map::getCoveringRedLine()};
parallel3.addCoordinate(MapCoord(20, 10));
parallel3.addCoordinate(MapCoord(20, 0));
parallel3.addCoordinate(MapCoord(30, 0));
parallel3.addCoordinate(MapCoord(30, -10));
PathObject::Intersections intersections_parallel_se;
intersections_parallel.reserve(2);
intersection.coord = MapCoordF(20, 0);
intersection.length = 10;
intersection.other_length = 10;
intersections_parallel_se.push_back(intersection);
intersection.coord = MapCoordF(30, 0);
intersection.length = 20;
intersection.other_length = 20;
intersections_parallel_se.push_back(intersection);
QCOMPARE(calculateIntersections(parallel1, parallel3), intersections_parallel_se);
}
{
// Duplicate of object intersection
PathObject duplicate1{Map::getCoveringRedLine()};
duplicate1.addCoordinate(MapCoord(10, 30));
duplicate1.addCoordinate(MapCoord(30, 30));
duplicate1.addCoordinate(MapCoord(50, 50));
duplicate1.addCoordinate(MapCoord(50, 70));
duplicate1.update(); // for duplicate1.parts().front().getLength();
{
PathObject::Intersections intersections_duplicate;
intersections_duplicate.reserve(2);
PathObject::Intersection intersection{};
intersection.coord = MapCoordF(10, 30);
intersection.length = 0;
intersection.other_length = 0;
intersections_duplicate.push_back(intersection);
intersection.coord = MapCoordF(50, 70);
intersection.length = duplicate1.parts().front().length();
intersection.other_length = duplicate1.parts().front().length();
intersections_duplicate.push_back(intersection);
QCOMPARE(calculateIntersections(duplicate1, duplicate1), intersections_duplicate);
}
{
// Reversed duplicate
PathObject duplicate2{Map::getCoveringRedLine()};
duplicate2.copyFrom(duplicate1);
duplicate2.reverse();
PathObject::Intersections intersections_duplicate_reversed;
intersections_duplicate_reversed.reserve(2);
PathObject::Intersection intersection{};
intersection.coord = MapCoordF(10, 30);
intersection.length = 0;
intersection.other_length = duplicate1.parts().front().length();
intersections_duplicate_reversed.push_back(intersection);
intersection.coord = MapCoordF(50, 70);
intersection.length = duplicate1.parts().front().length();
intersection.other_length = 0;
intersections_duplicate_reversed.push_back(intersection);
QCOMPARE(calculateIntersections(duplicate1, duplicate2), intersections_duplicate_reversed);
}
{
// Duplicate of closed object intersection
PathObject duplicate1_closed{Map::getCoveringRedLine()};
duplicate1_closed.copyFrom(duplicate1);
duplicate1_closed.parts().front().setClosed(true);
PathObject::Intersections no_intersections;
QCOMPARE(calculateIntersections(duplicate1_closed, duplicate1_closed), no_intersections);
}
}
{
// Parallel at start intersection
PathObject ps1{Map::getCoveringRedLine()};
ps1.addCoordinate(MapCoord(10, 10));
ps1.addCoordinate(MapCoord(30, 10));
ps1.addCoordinate(MapCoord(30, 30));
ps1.addCoordinate(MapCoord(10, 30));
ps1.parts().front().setClosed(true);
PathObject ps2{Map::getCoveringRedLine()};
ps2.addCoordinate(MapCoord(10, 10));
ps2.addCoordinate(MapCoord(30, 10));