src/linetypes/polygonobject.h

Wed, 25 May 2022 20:36:34 +0300

author
Teemu Piippo <teemu@hecknology.net>
date
Wed, 25 May 2022 20:36:34 +0300
changeset 199
6988973515d2
parent 153
2f79053c2e9a
permissions
-rw-r--r--

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

#pragma once
#include "object.h"
#include "widgets/vec3editor.h"
#include "model.h"
#include "modeleditor.h"

namespace ldraw
{
	template<int N, typename>
	class PolygonObject;
}

template<int N, typename = std::enable_if_t<(N > 0 and N <= 4)>>
class ldraw::PolygonObject : public ColoredObject
{
public:
	using BaseClass = ColoredObject;
	PolygonObject(const std::array<glm::vec3, N>& points, const Color color) :
		ColoredObject{color},
		points{points} {}
	int numPoints() const override
	{
		return N;
	}
	const glm::vec3& getPoint(int index) const override
	{
		Q_ASSERT(index >= 0 and index < N);
		return this->points[index];
	}
	QVariant getProperty(const Property id) const override
	{
		switch (id)
		{
		case Property::Point0:
			return QVariant::fromValue(points[0]);
		case Property::Point1:
			return QVariant::fromValue(points[1]);
		case Property::Point2:
			if (N >= 3)
			{
				return QVariant::fromValue(points[2]);
			}
			break;
		case Property::Point3:
			if (N >= 4)
			{
				return QVariant::fromValue(points[3]);
			}
			break;
		default:
			break;
		}
		return BaseClass::getProperty(id);
	}
	void setProperty(SetPropertyResult* result, const PropertyKeyValue& pair) override
	{
		LDRAW_OBJECT_HANDLE_SET_PROPERTY(Point0, {points[0] = value;})
		LDRAW_OBJECT_HANDLE_SET_PROPERTY(Point1, {points[1] = value;})
		if constexpr (N >= 3)
		{
			LDRAW_OBJECT_HANDLE_SET_PROPERTY(Point2, {points[2] = value;})
		}
		if constexpr (N >= 4)
		{
			LDRAW_OBJECT_HANDLE_SET_PROPERTY(Point3, {points[3] = value;})
		}
		ColoredObject::setProperty(result, pair);
	}
	QDataStream &serialize(QDataStream& stream) const override
	{
		ColoredObject::serialize(stream);
		for (const glm::vec3& point : this->points)
		{
			stream << point;
		}
		return stream;
	}
	QDataStream& deserialize(QDataStream& stream) override
	{
		ColoredObject::deserialize(stream);
		for (glm::vec3& point : this->points)
		{
			stream >> point;
		}
		return stream;
	}
	std::array<glm::vec3, N> points;
};

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