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// Copyright 2005-2017 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.
#ifndef MUMBLE_MUMBLE_OVERLAYTEXT_H_
#define MUMBLE_MUMBLE_OVERLAYTEXT_H_
#include <QtGui/QPixmap>
#include <QtGui/QFont>
//! Annotated QPixmap supplying a basepoint.
class BasepointPixmap : public QPixmap {
public:
//! Local coordinates of the base point.
QPoint qpBasePoint;
//@{
/**
* Font ascent and descent.
* The pixmap may exceed those font metrics, so if you need to
* transform rendered text properly, use these attributes.
*/
int iAscent;
int iDescent;
//@}
BasepointPixmap();
//! Create from QPixmap, basepoint is bottom left.
BasepointPixmap(const QPixmap&);
//! Empty pixmap, basepoint is bottom left.
BasepointPixmap(int, int);
//! Empty pixmap with specified basepoint.
BasepointPixmap(int, int, const QPoint&);
};
class OverlayTextLine {
private:
const float fEdgeFactor;
QString qsText;
QFont qfFont;
QPainterPath qpp;
float fAscent, fDescent;
float fXCorrection, fYCorrection;
int iCurWidth, iCurHeight;
float fEdge;
float fBaseliningThreshold;
bool bElided;
BasepointPixmap render(int, int, const QColor&, const QPoint&) const;
public:
OverlayTextLine(const QString&, const QFont&);
void setFont(const QFont&);
void setEdge(float);
//! Render text with current font.
BasepointPixmap createPixmap(QColor col);
//! Render text to fit a bounding box.
BasepointPixmap createPixmap(unsigned int maxwidth, unsigned int height, QColor col);
};
#endif //_OVERLAYTEXT_H
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