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/*
* Copyright 2015 Canonical Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef UCFONTUTILS_H
#define UCFONTUTILS_H
#include <QtCore/QObject>
class UCUnits;
class UCFontUtils : public QObject
{
Q_OBJECT
public:
static constexpr float fontUnits = 14.0f;
static constexpr float xxSmallScale = 0.606f;
static constexpr float xSmallScale = 0.707f;
static constexpr float smallScale = 0.857f;
static constexpr float mediumScale = 1.0f;
static constexpr float largeScale = 1.414f;
static constexpr float xLargeScale = 1.905f;
static UCFontUtils *instance(QObject *parent = Q_NULLPTR)
{
if (!m_instance) {
if (!parent) {
qFatal("Creating FontUtils singleton requires a parent object!");
}
m_instance = new UCFontUtils(parent);
}
return m_instance;
}
explicit UCFontUtils(QObject *parent = 0) : QObject(parent) {}
~UCFontUtils() { m_instance = Q_NULLPTR; }
Q_INVOKABLE qreal sizeToPixels(const QString &size);
Q_INVOKABLE qreal modularScale(const QString &size);
private:
static UCFontUtils *m_instance;
};
#define SCALE_CODE(size) reinterpret_cast<int*>(size.toLatin1().data())[0]
#define SCALE_MEDIUM 0x6964656d // "medi"
#define SCALE_LARGE 0x6772616c // "larg"
#define SCALE_SMALL 0x6c616d73 // "smal"
#define SCALE_XLARGE 0x616c2d78 // "x-la"
#define SCALE_XSMALL 0x6d732d78 // "x-sm"
#define SCALE_XXSMALL 0x732d7878 // "xx-s"
#endif // UCFONTUTILS_H
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