src/linetypes/subfilereference.cpp

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 193
b4beff48bb7a
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

#include "subfilereference.h"
#include "documentmanager.h"
#include "invert.h"
#include "polygoncache.h"

ldraw::SubfileReference::SubfileReference
(
	const glm::mat4& transformation,
	const QString& referenceName,
	const Color color
) :
	CompoundObject{transformation, color},
	referenceName{referenceName}
{
}

QVariant ldraw::SubfileReference::getProperty(Property property) const
{
	switch (property)
	{
	case Property::ReferenceName:
		return this->referenceName;
	default:
		return CompoundObject::getProperty(property);
	}
}

void ldraw::SubfileReference::setProperty(SetPropertyResult* result, const PropertyKeyValue& pair)
{
	LDRAW_OBJECT_HANDLE_SET_PROPERTY(ReferenceName, {this->referenceName = value;});
	ldraw::CompoundObject::setProperty(result, pair);
}

QString ldraw::SubfileReference::textRepresentation() const
{
	return this->referenceName + " " + utility::vertexToStringParens(this->position());
}

void ldraw::SubfileReference::getPolygons
(
	std::vector<gl::Polygon>& polygons,
	GetPolygonsContext* context
) const
{
	Model* dependency = this->resolve(context->modelId, context->documents);
	PolygonCache* cache = nullptr;
	if (dependency != nullptr)
	{
		const auto dependencyModelId = context->documents->findIdForModel(dependency);
		if (dependencyModelId.has_value())
		{
			cache = context->documents->getPolygonCacheForModel(dependencyModelId.value());
		}
	}
	if (cache != nullptr)
	{
		const bool needInverting = glm::determinant(this->transformation) < 0;
		const std::vector<gl::Polygon> modelPolygons = getCachedPolygons(
			cache,
			dependency,
			context->documents);
		polygons.reserve(polygons.size() + modelPolygons.size());
		for (gl::Polygon polygon : modelPolygons)
		{
			for (unsigned int i = 0; i < polygon.numPolygonVertices(); i += 1)
			{
				glm::vec4 vertex {polygon.vertices[i], 1};
				vertex = this->transformation * vertex;
				polygon.vertices[i] = vertex;
			}
			if (needInverting != this->isInverted)
			{
				gl::invert(polygon);
			}
			if (polygon.color == ldraw::MAIN_COLOR)
			{
				polygon.color = this->colorIndex;
			}
			polygon.id = this->id;
			polygons.push_back(polygon);
		}
	}
}

Model* ldraw::SubfileReference::resolve(const ModelId callingModelId, DocumentManager* documents) const
{
	return documents->findDependencyByName(callingModelId, this->referenceName);
}

ldraw::Object::Type ldraw::SubfileReference::typeIdentifier() const
{
	return Type::SubfileReference;
}

QDataStream& ldraw::SubfileReference::serialize(QDataStream &stream) const
{
	return CompoundObject::serialize(stream) << this->referenceName;
}

QDataStream& ldraw::SubfileReference::deserialize(QDataStream &stream)
{
	return CompoundObject::deserialize(stream) >> this->referenceName;
}

QString ldraw::SubfileReference::toLDrawCode() const
{
	QString result;
	if (this->isInverted)
	{
		result += "0 BFC INVERTNEXT\r\n";
	}
	result += utility::format(
		"1 %1 %2 %3",
		this->colorIndex.index,
		this->transformToBareString(),
		this->referenceName);
	return result;
}

QString ldraw::SubfileReference::iconName() const
{
	return ":/icons/linetype-subfile.png";
}

QString ldraw::SubfileReference::typeName() const
{
	return QObject::tr("subfile reference");
}

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