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135 lines
4.5 KiB
135 lines
4.5 KiB
/***************************************************************************
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measurements.h - description
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-------------------
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begin : Mit Dec 24 2003
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copyright : (C) 2003 by Dominik Seichter
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email : domseichter@web.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef MEASUREMENTS_H
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#define MEASUREMENTS_H
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#include <tdelocale.h>
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class TQPaintDevice;
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/**
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* This class keeps all measurements required to correctly draw a label.
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* The measurements are available in pixels, milimeter and inch.
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* This class allows also for transformations from inch to mm or pixels
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* (and the other way round). Internally, everything is handled in mm.
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*
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* @author Dominik Seichter
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*/
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class Measurements {
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public:
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enum {
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DpiX,
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DpiY
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};
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enum {
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Metric = TDELocale::Metric,
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Imperial = TDELocale::Imperial,
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None
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};
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Measurements();
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Measurements( const Measurements & rhs );
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~Measurements();
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int numH() const { return num_h; }
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int numV() const { return num_v; }
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double gapLeftMM() const { return gap_left; }
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double gapTopMM() const { return gap_top; }
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double gapVMM() const { return gap_v; }
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double gapHMM() const { return gap_h; }
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double widthMM() const { return m_width; }
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double heightMM() const { return m_height; }
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// return inch or milimeters according to the
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// users preferrences
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double gapLeft() const;
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double gapTop() const;
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double gapV() const;
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double gapH() const;
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double width() const;
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double height() const;
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double gapLeft( const TQPaintDevice* device ) const;
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double gapTop( const TQPaintDevice* device ) const;
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double gapV( const TQPaintDevice* device ) const;
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double gapH( const TQPaintDevice* device ) const;
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double width( const TQPaintDevice* device ) const;
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double height( const TQPaintDevice* device ) const;
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void setNumH( int n ) { num_h = n; }
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void setNumV( int n ) { num_v = n; }
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// use milimeters for all of the setter methods
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void setGapLeftMM( double d ) { gap_left = d; }
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void setGapTopMM( double d ) { gap_top = d; }
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void setGapVMM( double d ) { gap_v = d; }
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void setGapHMM( double d ) { gap_h = d; }
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void setWidthMM( double d ) { m_width = d; }
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void setHeightMM( double d ) { m_height = d; }
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// inch or milimeters are taken as input
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// according to the users preferrences
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void setGapLeft( double d );
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void setGapTop( double d );
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void setGapV( double d );
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void setGapH( double d );
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void setWidth( double d );
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void setHeight( double d );
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void operator=(const Measurements & rhs );
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/** return the localized string that should be appended
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* to a measurement number visible to the user. I.e.
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* "mm" or "in".
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*/
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static const TQString & system() { Measurements::init(); return m_string; }
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/** return the measurements system to be used.
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*/
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static int measurementSystem() { Measurements::init(); return m_system; }
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private:
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/** initialize measurements with the correctly
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* measurements system to be used from KDE.
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*/
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static void init();
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void defaultMeasurements();
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double mmToPixel( double mm, const TQPaintDevice* device, int mode = DpiX ) const;
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/** Measurement system to use:
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* milimeters or inch
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*/
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static int m_system;
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static TQString m_string;
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int num_h;
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int num_v;
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double gap_left;
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double gap_top;
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double gap_v;
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double gap_h;
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double m_width;
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double m_height;
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};
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#endif
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