/usr/include/QTeXEngine.h is in libqtexengine-dev 0.3-2.
This file is owned by root:root, with mode 0o644.
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File : QTeXEngine.h
Project : QTeXEngine GNU GPL v. 3.0
--------------------------------------------------------------------
Copyright : (C) 2009 by Ion Vasilief
Email (use @ for *) : ion_vasilief*yahoo.fr
Description : Enables the export of QPainter grafics to .tex files
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 3 of the License, or *
* (at your option) any later version. *
* *
* 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, *
* Boston, MA 02110-1301 USA *
* *
***************************************************************************/
#ifndef Q_TEX_ENGINE_H
#define Q_TEX_ENGINE_H
#include <QPaintDevice>
#include <QPaintEngine>
#include <QPrinter>
class QFile;
class QTeXPaintEngine;
class QTeXPaintDevice : public QPaintDevice
{
public:
enum Unit{pt, bp, mm, cm, in, ex, em};
enum OutputMode{Tikz, Pgf};
QTeXPaintDevice(const QString& fileName, const QSize& s = QSize(), Unit u = pt);
~QTeXPaintDevice();
virtual QPaintEngine * paintEngine () const;
//! Set color mode (Color or GrayScale)
void setColorMode(QPrinter::ColorMode mode);
//! Set output mode (Tikz or Pgf)
void setOutputMode(OutputMode mode);
//! Set length unit
void setUnit(Unit u);
//! Set size
void setSize(const QSize& s){d_size = s;};
//! Enables/Disables document tags
void setDocumentMode(bool on = true);
//! Enables/Disables escaping of special characters in texts
void setEscapeTextMode(bool on = true);
//! Enables/Disables exporting of font sizes
void exportFontSizes(bool on = true);
//! Set horizontal alignment
void setTextHorizontalAlignment(Qt::Alignment alignment);
protected:
virtual int metric ( PaintDeviceMetric ) const;
private:
//! Size in pixels
QSize d_size;
QTeXPaintEngine* engine;
};
class QTeXPaintEngine : public QPaintEngine
{
public:
QTeXPaintEngine(const QString&, QTeXPaintDevice::Unit u = QTeXPaintDevice::pt);
~QTeXPaintEngine(){};
virtual bool begin(QPaintDevice*);
virtual bool end();
virtual void updateState( const QPaintEngineState & ) {};
virtual void drawEllipse(const QRectF &);
virtual QPaintEngine::Type type() const {return QPaintEngine::User;};
virtual void drawPoints ( const QPointF * points, int pointCount );
virtual void drawLines ( const QLineF * , int );
virtual void drawPath ( const QPainterPath & path );
virtual void drawPolygon ( const QPointF * , int , PolygonDrawMode );
virtual void drawTextItem ( const QPointF & , const QTextItem & );
virtual void drawRects ( const QRectF * , int );
virtual void drawPixmap ( const QRectF &, const QPixmap &, const QRectF &);
virtual void drawImage(const QRectF &, const QImage &, const QRectF &, Qt::ImageConversionFlags);
//! Set length unit
void setUnit(QTeXPaintDevice::Unit u){d_unit = u;};
//! Enables/Disables gray scale output
void setGrayScale(bool on = true){d_gray_scale = on;};
//! Set output syntax
void setOutputMode(QTeXPaintDevice::OutputMode mode){d_pgf_mode = (mode == QTeXPaintDevice::Pgf) ? true : false;};
void setDocumentMode(bool on = true){d_document_mode = on;};
//! Enables/Disables escaping of special characters in texts
void setEscapeTextMode(bool on = true){d_escape_text = on;};
void exportFontSizes(bool on = true){d_font_size = on;};
void setTextHorizontalAlignment(Qt::Alignment alignment){d_horizontal_alignment = alignment;};
private:
enum Shape{Line, Polygon, Polyline, Rect, Ellipse, Path, Points};
//! Returns true if draw operation has NoBrush and NoPen
bool emptyStringOperation();
QString unit();
double unitFactor();
double resFactorX();
double resFactorY();
QString pgfPoint(const QPointF& p);
QString tikzPoint(const QPointF& p);
QPointF convertPoint(const QPointF& p);
QString color(const QColor& col);
QString defineColor(const QColor& c, const QString& name);
QString pgfPen(const QPen& pen);
QString tikzPen(const QPen& pen);
QString pgfBrush(const QBrush& brush);
QString tikzBrush(const QBrush& brush);
QString beginScope();
QString endScope();
QString clipPath();
bool changedClipping();
QString path(const QPainterPath & path);
QString pgfPath(const QPainterPath & path);
QString tikzPath(const QPainterPath & path);
QString drawShape(Shape shape, const QString & path);
QString drawPgfShape(Shape shape, const QString & path);
QString drawTikzShape(Shape shape, const QString & path);
//! Draws pixmap pix in a given rectangle
void drawPixmap(const QPixmap &pix, const QRectF &p);
void writeToFile(const QString& s);
QString indentString(const QString& s);
//! Returns true if a new color command should be added
bool addNewBrushColor();
bool addNewPatternColor();
bool addNewPenColor();
QFile *file;
//! Name of the output file
QString fname;
int d_pixmap_index;
bool d_pgf_mode;
bool d_open_scope;
bool d_gray_scale;
bool d_document_mode;
bool d_escape_text;
bool d_font_size;
QPainterPath d_clip_path;
QColor d_current_color, d_pattern_color;
QTeXPaintDevice::Unit d_unit;
Qt::Alignment d_horizontal_alignment;
};
#endif
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