Wed, 25 May 2022 20:36:34 +0300
Fix pick() picking from weird places on the screen with high DPI scaling
glReadPixels reads data from the frame buffer, which contains data after
high DPI scaling, so any reads to that need to take this scaling into account
#ifndef VERTEXMAP_H #define VERTEXMAP_H #include <set> #include "main.h" #include "model.h" /** * @brief Collects a map of all vertices in a model to all objects that use the specified vertex. */ class VertexMap : public QObject { Q_OBJECT public: struct VertexInfo { glm::vec3 point; std::set<ldraw::id_t> objects; bool transformSet = false; glm::mat4 transform; }; using ApplyFunction = std::function<void(const glm::vec3&, const VertexInfo&)>; VertexMap(const Model *model); Q_SLOT void build(); void apply(ApplyFunction fn) const; Q_SIGNALS: Q_SIGNAL void verticesChanged(); private: const Model* const model; QSet<unsigned int> vertexHashes; std::vector<glm::vec3> vertices; std::map<unsigned int, VertexInfo> map; }; #endif // VERTEXMAP_H