58 lines
2.1 KiB
C++
58 lines
2.1 KiB
C++
#include <mbgl/renderer/renderer_state.hpp>
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#include <mbgl/renderer/update_parameters.hpp>
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#include <mbgl/style/image_impl.hpp>
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#include <mbgl/style/layer_impl.hpp>
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#include <mbgl/style/source_impl.hpp>
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namespace mbgl {
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CameraOptions RendererState::getCameraOptions(const UpdateParameters& updateParameters, const EdgeInsets& padding) {
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return updateParameters.transformState.getCameraOptions(padding);
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}
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bool RendererState::hasImage(const UpdateParameters& updateParameters, const std::string& id) {
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for (const auto& image : *updateParameters.images) {
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if (image->id == id) {
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return true;
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}
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}
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return false;
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}
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bool RendererState::hasLayer(const UpdateParameters& updateParameters, const std::string& id) {
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for (const auto& layer : *updateParameters.layers) {
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if (layer->id == id) {
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return true;
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}
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}
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return false;
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}
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bool RendererState::hasSource(const UpdateParameters& updateParameters, const std::string& id) {
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for (const auto& source : *updateParameters.sources) {
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if (source->id == id) {
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return true;
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}
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}
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return false;
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}
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ScreenCoordinate RendererState::pixelForLatLng(const UpdateParameters& updateParameters, const LatLng& latLng) {
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// If the center and point longitudes are not in the same side of the
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// antimeridian, we unwrap the point longitude so it would be seen if
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// e.g. the next antimeridian side is visible.
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LatLng unwrappedLatLng = latLng.wrapped();
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unwrappedLatLng.unwrapForShortestPath(updateParameters.transformState.getLatLng());
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const ScreenCoordinate point = updateParameters.transformState.latLngToScreenCoordinate(latLng);
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return ScreenCoordinate{point.x, updateParameters.transformState.getSize().height - point.y};
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}
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LatLng RendererState::latLngForPixel(const UpdateParameters& updateParameters, const ScreenCoordinate& point) {
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ScreenCoordinate flippedPoint = point;
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flippedPoint.y = updateParameters.transformState.getSize().height - flippedPoint.y;
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return updateParameters.transformState.screenCoordinateToLatLng(flippedPoint);
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}
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} // namespace mbgl
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