140 lines
4.4 KiB
C++
140 lines
4.4 KiB
C++
#include "../fixtures/util.hpp"
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#include "../fixtures/mock_view.hpp"
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#include <mbgl/map/transform.hpp>
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using namespace mbgl;
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TEST(Transform, InvalidScale) {
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MockView view;
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Transform transform(view);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().latitude);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().longitude);
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ASSERT_DOUBLE_EQ(1, transform.getScale());
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transform.setScale(2);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().latitude);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().longitude);
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ASSERT_DOUBLE_EQ(2, transform.getScale());
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const double invalid = std::nan("");
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transform.setScale(invalid);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().latitude);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().longitude);
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ASSERT_DOUBLE_EQ(2, transform.getScale());
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transform.scaleBy(invalid);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().latitude);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().longitude);
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ASSERT_DOUBLE_EQ(2, transform.getScale());
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transform.setZoom(invalid);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().latitude);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().longitude);
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ASSERT_DOUBLE_EQ(2, transform.getScale());
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transform.setLatLngZoom({ 0, 0 }, invalid);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().latitude);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().longitude);
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ASSERT_DOUBLE_EQ(2, transform.getScale());
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}
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TEST(Transform, InvalidLatLng) {
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MockView view;
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Transform transform(view);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().latitude);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().longitude);
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ASSERT_DOUBLE_EQ(1, transform.getScale());
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transform.setScale(2);
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transform.setLatLng({ 8, 10 });
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ASSERT_DOUBLE_EQ(8, transform.getLatLng().latitude);
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ASSERT_DOUBLE_EQ(10, transform.getLatLng().longitude);
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ASSERT_DOUBLE_EQ(2, transform.getScale());
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transform.setLatLngZoom({ 10, 8 }, 2);
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ASSERT_DOUBLE_EQ(10, transform.getLatLng().latitude);
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ASSERT_DOUBLE_EQ(8, transform.getLatLng().longitude);
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ASSERT_DOUBLE_EQ(4, transform.getScale());
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const double invalid = std::nan("");
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transform.setLatLngZoom({ invalid, 8 }, 2);
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ASSERT_DOUBLE_EQ(10, transform.getLatLng().latitude);
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ASSERT_DOUBLE_EQ(8, transform.getLatLng().longitude);
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ASSERT_DOUBLE_EQ(4, transform.getScale());
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transform.setLatLngZoom({ 10, invalid }, 2);
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ASSERT_DOUBLE_EQ(10, transform.getLatLng().latitude);
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ASSERT_DOUBLE_EQ(8, transform.getLatLng().longitude);
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ASSERT_DOUBLE_EQ(4, transform.getScale());
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}
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TEST(Transform, InvalidBearing) {
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MockView view;
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Transform transform(view);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().latitude);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().longitude);
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ASSERT_DOUBLE_EQ(1, transform.getScale());
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transform.setScale(2);
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transform.setAngle(2);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().latitude);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().longitude);
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ASSERT_DOUBLE_EQ(2, transform.getScale());
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ASSERT_DOUBLE_EQ(2, transform.getAngle());
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const double invalid = std::nan("");
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transform.setAngle(invalid);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().latitude);
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ASSERT_DOUBLE_EQ(0, transform.getLatLng().longitude);
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ASSERT_DOUBLE_EQ(2, transform.getScale());
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ASSERT_DOUBLE_EQ(2, transform.getAngle());
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}
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TEST(Transform, PerspectiveProjection) {
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MockView view;
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Transform transform(view);
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transform.resize({{ 1000, 1000 }});
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transform.setScale(1024);
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transform.setPitch(0.9);
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transform.setLatLng(LatLng(38, -77));
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// expected values are from mapbox-gl-js
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LatLng loc = transform.getState().pointToLatLng({ 500, 500 });
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ASSERT_NEAR(-77, loc.longitude, 0.0001);
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ASSERT_NEAR(38, loc.latitude, 0.0001);
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loc = transform.getState().pointToLatLng({ 0, 1000 });
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ASSERT_NEAR(-77.59198961199148, loc.longitude, 0.0002);
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ASSERT_NEAR(38.74661326302018, loc.latitude, 0.0001);
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loc = transform.getState().pointToLatLng({ 1000, 0 });
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ASSERT_NEAR(-76.75823239205641, loc.longitude, 0.0001);
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ASSERT_NEAR(37.692872969426375, loc.latitude, 0.0001);
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vec2<double> point = transform.getState().latLngToPoint({38.74661326302018, -77.59198961199148});
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ASSERT_NEAR(point.x, 0, 0.01);
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ASSERT_NEAR(point.y, 1000, 0.01);
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point = transform.getState().latLngToPoint({37.692872969426375, -76.75823239205641});
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ASSERT_NEAR(point.x, 1000, 0.02);
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ASSERT_NEAR(point.y, 0, 0.02);
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}
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