infinipaint/src/CanvasComponents/CanvasComponentBrushStroke.hpp

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#pragma once
#include "CanvasComponent.hpp"
#include "Helpers/SCollision.hpp"
#include <Helpers/Serializers.hpp>
#include <include/core/SkPath.h>
#include <include/core/SkPathBuilder.h>
struct DrawBrushStrokePoint {
Vector2f pos;
float width;
template <typename Archive> void serialize(Archive& a) {
a(pos, width);
}
};
class CanvasComponentBrushStroke : public CanvasComponent {
public:
constexpr static float DRAW_MINIMUM_LIMIT = 0.3;
virtual DrawComponentType get_type() const override;
virtual void write_update(cereal::PortableBinaryOutputArchive& a) const override;
virtual void read_update(cereal::PortableBinaryInputArchive& a) override;
virtual void save_file(cereal::PortableBinaryOutputArchive& a) const override;
virtual void load_file(cereal::PortableBinaryInputArchive& a, VersionNumber version) override;
struct Data {
std::vector<DrawBrushStrokePoint> points;
Vector4f color;
bool hasRoundCaps;
};
std::shared_ptr<Data> d = std::make_shared<Data>(); // It's a pointer here since brush strokes cant be edited
#ifndef IS_SERVER
virtual std::shared_ptr<DrawComponent> copy(DrawingProgram& drawP) const override;
virtual std::shared_ptr<DrawComponent> deep_copy(DrawingProgram& drawP) const override;
virtual void draw(SkCanvas* canvas, const DrawData& drawData) override;
virtual void initialize_draw_data(DrawingProgram& drawP) override;
virtual void update(DrawingProgram& drawP) override;
virtual bool collides_within_coords(const SCollision::ColliderCollection<float>& checkAgainst) override;
void create_collider();
virtual void update_from_delayed_ptr(const std::shared_ptr<DrawComponent>& delayedUpdatePtr) override;
virtual SCollision::AABB<float> get_obj_coord_bounds() const override;
std::shared_ptr<SkPath> brushPath;
SCollision::AABB<float> bounds;
std::array<std::shared_ptr<SkPath>, 2> brushPathLOD;
private:
std::vector<DrawBrushStrokePoint> every_nth_point_include_front_and_back(const std::vector<DrawBrushStrokePoint>& pts, size_t n);
void add_precheck_aabb_level(size_t level, const std::vector<SCollision::BVHContainer<float>>& levelArray);
std::vector<SCollision::AABB<float>> precheckAABBLevels;
void create_triangles(const std::function<bool(Vector2f, Vector2f, Vector2f)>& passTriangleFunc, const std::vector<DrawBrushStrokePoint>& smoothedPoints, size_t skipVertexCount, std::shared_ptr<SkPathBuilder> bPath);
std::vector<size_t> get_wedge_indices(const std::vector<DrawBrushStrokePoint>& points);
std::vector<DrawBrushStrokePoint> smooth_points(size_t beginIndex, size_t endIndex, unsigned numOfDivisions);
std::vector<DrawBrushStrokePoint> smooth_points_avg(size_t beginIndex, size_t endIndex, unsigned numOfDivisions);
#endif
};