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			115 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			115 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #include <scwx/qt/gl/draw/draw_item.hpp>
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| #include <scwx/qt/util/maplibre.hpp>
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| 
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| #include <string>
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| 
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| #if defined(_MSC_VER)
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| #   pragma warning(push, 0)
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| #endif
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| 
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| #include <glm/glm.hpp>
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| #include <glm/gtc/matrix_transform.hpp>
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| #include <glm/gtc/type_ptr.hpp>
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| #include <mbgl/util/constants.hpp>
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| 
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| #if defined(_MSC_VER)
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| #   pragma warning(pop)
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| #endif
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| 
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| namespace scwx
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| {
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| namespace qt
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| {
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| namespace gl
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| {
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| namespace draw
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| {
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| 
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| static const std::string logPrefix_ = "scwx::qt::gl::draw::draw_item";
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| 
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| class DrawItem::Impl
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| {
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| public:
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|    explicit Impl() = default;
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|    ~Impl()         = default;
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| };
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| 
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| DrawItem::DrawItem() : p(std::make_unique<Impl>()) {}
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| DrawItem::~DrawItem() = default;
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| 
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| DrawItem::DrawItem(DrawItem&&) noexcept            = default;
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| DrawItem& DrawItem::operator=(DrawItem&&) noexcept = default;
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| 
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| void DrawItem::Render(
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|    const QMapLibre::CustomLayerRenderParameters& /* params */)
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| {
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| }
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| 
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| void DrawItem::Render(const QMapLibre::CustomLayerRenderParameters& params,
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|                       bool /* textureAtlasChanged */)
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| {
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|    Render(params);
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| }
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| 
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| bool DrawItem::RunMousePicking(
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|    const QMapLibre::CustomLayerRenderParameters& /* params */,
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|    const QPointF& /* mouseLocalPos */,
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|    const QPointF& /* mouseGlobalPos */,
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|    const glm::vec2& /* mouseCoords */,
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|    const common::Coordinate& /* mouseGeoCoords */,
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|    std::shared_ptr<types::EventHandler>& /* eventHandler */)
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| {
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|    // By default, the draw item is not picked
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|    return false;
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| }
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| 
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| void DrawItem::UseDefaultProjection(
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|    const QMapLibre::CustomLayerRenderParameters& params,
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|    GLint                                         uMVPMatrixLocation)
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| {
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|    glm::mat4 projection = glm::ortho(0.0f,
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|                                      static_cast<float>(params.width),
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|                                      0.0f,
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|                                      static_cast<float>(params.height));
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| 
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|    glUniformMatrix4fv(
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|       uMVPMatrixLocation, 1, GL_FALSE, glm::value_ptr(projection));
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| }
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| 
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| void DrawItem::UseRotationProjection(
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|    const QMapLibre::CustomLayerRenderParameters& params,
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|    GLint                                         uMVPMatrixLocation)
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| {
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|    glm::mat4 projection = glm::ortho(0.0f,
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|                                      static_cast<float>(params.width),
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|                                      0.0f,
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|                                      static_cast<float>(params.height));
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| 
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|    projection = glm::rotate(projection,
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|                             glm::radians<float>(params.bearing),
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|                             glm::vec3(0.0f, 0.0f, 1.0f));
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| 
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|    glUniformMatrix4fv(
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|       uMVPMatrixLocation, 1, GL_FALSE, glm::value_ptr(projection));
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| }
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| 
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| void DrawItem::UseMapProjection(
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|    const QMapLibre::CustomLayerRenderParameters& params,
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|    GLint                                         uMVPMatrixLocation,
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|    GLint                                         uMapScreenCoordLocation)
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| {
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|    const glm::mat4 uMVPMatrix = util::maplibre::GetMapMatrix(params);
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| 
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|    glUniform2fv(uMapScreenCoordLocation,
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|                 1,
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|                 glm::value_ptr(util::maplibre::LatLongToScreenCoordinate(
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|                    {params.latitude, params.longitude})));
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| 
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|    glUniformMatrix4fv(
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|       uMVPMatrixLocation, 1, GL_FALSE, glm::value_ptr(uMVPMatrix));
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| }
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| 
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| } // namespace draw
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| } // namespace gl
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| } // namespace qt
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| } // namespace scwx
 | 
