237 lines
7.8 KiB
C++
237 lines
7.8 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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#include <mbgl/util/geo.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, ConstrainMode::HeightOnly);
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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 << 0);
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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, ConstrainMode::HeightOnly);
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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 << 0);
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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, ConstrainMode::HeightOnly);
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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 << 0);
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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, ConstrainMode::HeightOnly);
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transform.resize({{ 1000, 1000 }});
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transform.setScale(2 << 9);
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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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PrecisionPoint 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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TEST(Transform, ConstrainHeightOnly) {
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MockView view;
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LatLng loc;
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LatLngBounds bounds;
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Transform transform(view, ConstrainMode::HeightOnly);
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transform.resize({{ 1000, 1000 }});
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transform.setScale(1024);
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transform.setLatLng(bounds.sw);
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loc = transform.getState().pointToLatLng({ 500, 500 });
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ASSERT_NEAR(-85.021422866378714, loc.latitude, 0.0001);
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ASSERT_NEAR(180, std::abs(loc.longitude), 0.0001);
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transform.setLatLng(bounds.ne);
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loc = transform.getState().pointToLatLng({ 500, 500 });
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ASSERT_NEAR(85.021422866378742, loc.latitude, 0.0001);
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ASSERT_NEAR(180, std::abs(loc.longitude), 0.0001);
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}
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TEST(Transform, ConstrainWidthAndHeight) {
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MockView view;
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LatLng loc;
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LatLngBounds bounds;
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Transform transform(view, ConstrainMode::WidthAndHeight);
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transform.resize({{ 1000, 1000 }});
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transform.setScale(1024);
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transform.setLatLng(bounds.sw);
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loc = transform.getState().pointToLatLng({ 500, 500 });
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ASSERT_NEAR(-85.021422866378714, loc.latitude, 0.0001);
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ASSERT_NEAR(-179.65667724609375, loc.longitude, 0.0001);
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transform.setLatLng(bounds.ne);
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loc = transform.getState().pointToLatLng({ 500, 500 });
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ASSERT_NEAR(85.021422866378742, loc.latitude, 0.0001);
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ASSERT_NEAR(179.65667724609358, std::abs(loc.longitude), 0.0001);
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}
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TEST(Transform, Anchor) {
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MockView view;
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Transform transform(view, ConstrainMode::HeightOnly);
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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.setLatLngZoom({ 10, -100 }, 10);
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ASSERT_DOUBLE_EQ(10, transform.getLatLng().latitude);
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ASSERT_DOUBLE_EQ(-100, transform.getLatLng().longitude);
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ASSERT_DOUBLE_EQ(10, transform.getZoom());
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ASSERT_DOUBLE_EQ(0, transform.getAngle());
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const PrecisionPoint anchorPoint = {0, 0};
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const LatLng anchorLatLng = transform.getState().pointToLatLng(anchorPoint);
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transform.setAngle(M_PI_4, anchorPoint);
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ASSERT_NEAR(M_PI_4, transform.getAngle(), 0.000001);
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ASSERT_NE(anchorLatLng, transform.getLatLng());
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ASSERT_DOUBLE_EQ(anchorLatLng, transform.getState().pointToLatLng(anchorPoint));
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}
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TEST(Transform, Padding) {
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MockView view;
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Transform transform(view, ConstrainMode::HeightOnly);
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transform.resize({{ 1000, 1000 }});
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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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transform.setLatLngZoom({ 10, -100 }, 10);
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const LatLng trueCenter = transform.getLatLng();
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ASSERT_DOUBLE_EQ(10, trueCenter.latitude);
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ASSERT_DOUBLE_EQ(-100, trueCenter.longitude);
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ASSERT_DOUBLE_EQ(10, transform.getZoom());
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const LatLng manualShiftedCenter = transform.getState().pointToLatLng({
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1000.0 / 2.0,
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1000.0 / 4.0,
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});
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EdgeInsets padding;
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padding.top = 1000.0 / 2.0;
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ASSERT_GT(padding.top, 0);
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ASSERT_TRUE(padding);
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const LatLng shiftedCenter = transform.getLatLng(padding);
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ASSERT_NE(trueCenter.latitude, shiftedCenter.latitude);
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ASSERT_DOUBLE_EQ(trueCenter.longitude, shiftedCenter.longitude);
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ASSERT_DOUBLE_EQ(manualShiftedCenter.latitude, shiftedCenter.latitude);
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ASSERT_DOUBLE_EQ(manualShiftedCenter.longitude, shiftedCenter.longitude);
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}
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