#include "QtGraphViewStyleImpl.h"

#include <QFont>
#include <QFontMetrics>

#include "GraphViewStyle.h"
#include "utilityApp.h"

float QtGraphViewStyleImpl::getCharWidth(const std::string& fontName, size_t fontSize)
{
	return QFontMetrics(getFontForStyleType(fontName, fontSize))
			   .boundingRect(QStringLiteral("QtGraphNode::QtGraphNode::QtGraphNode")).width() /
		37.0f;
}

float QtGraphViewStyleImpl::getCharHeight(const std::string& fontName, size_t fontSize)
{
	return static_cast<float>(QFontMetrics(getFontForStyleType(fontName, fontSize)).height());
}

float QtGraphViewStyleImpl::getGraphViewZoomDifferenceForPlatform()
{
	if (utility::getOsType() == OS_MAC)
	{
		return 1;
	}

	return 1.25;
}

QFont QtGraphViewStyleImpl::getFontForStyleType(const std::string& fontName, size_t fontSize) const
{
	QFont font(fontName.c_str());
	font.setPixelSize(static_cast<int>(fontSize));
	return font;
}