kicad/pcbnew/import_gfx/graphics_importer.h

291 lines
8.3 KiB
C++

/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2016 CERN
* Copyright (C) 2019 KiCad Developers, see AUTHORS.txt for contributors.
* @author Maciej Suminski <maciej.suminski@cern.ch>
*
* 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 2
* 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, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef GRAPHICS_IMPORTER_H
#define GRAPHICS_IMPORTER_H
#include "graphics_import_mgr.h"
#include "graphics_import_plugin.h"
#include <eda_text.h>
#include <math/vector2d.h>
#include <list>
#include <memory>
#include <vector>
class EDA_ITEM;
/**
* Interface that creates objects representing shapes for a given data model.
*/
class GRAPHICS_IMPORTER
{
public:
GRAPHICS_IMPORTER();
virtual ~GRAPHICS_IMPORTER()
{
}
/**
* Set the import plugin used to obtain shapes from a file.
*/
void SetPlugin( std::unique_ptr<GRAPHICS_IMPORT_PLUGIN> aPlugin )
{
m_plugin = std::move( aPlugin );
if( m_plugin )
m_plugin->SetImporter( this );
}
/**
* Load file and get its basic data
*
*/
bool Load( const wxString &aFileName );
/**
* Import shapes from loaded file.
*
* It is important to have the file loaded before importing.
*
* @param aScale allow import graphic items with a non 1:1 import ratio
* aScale = 1.0 to import graphics with their actual size.
*/
bool Import( double aScale = 1.0 );
/**
* Collect warning and error messages after loading/importing.
*
* @return the list of messages in one string. Each message ends by '\n'
*/
const std::string& GetMessages() const
{
return m_plugin->GetMessages();
}
/**
* Get original image Width.
*
* @return Width of the loaded image in mm.
*/
double GetImageWidthMM() const
{
return m_originalWidth;
}
/**
* Get original image Height
*
* @return Height of the loaded image in mm.
*/
double GetImageHeightMM() const
{
return m_originalHeight;
}
/**
* Sets the line width for the imported outlines (in mm).
*/
void SetLineWidthMM( double aWidth )
{
m_lineWidth = aWidth;
}
/**
* Returns the line width used for importing the outlines (in mm).
*/
double GetLineWidthMM() const
{
return m_lineWidth;
}
/**
* @return the scale factor affecting the imported shapes.
*/
double GetScale() const
{
return m_scale;
}
/**
* @return the offset to add to coordinates when importing graphic items.
* The offset is always in mm
*/
const VECTOR2D& GetImportOffsetMM() const
{
return m_offsetCoordmm;
}
/**
* Set the offset to add to coordinates when importing graphic items.
* The offset is always in mm
*/
void SetImportOffsetMM( const VECTOR2D& aOffset )
{
m_offsetCoordmm = aOffset;
}
/**
* Set the scale factor affecting the imported shapes.
* it allows conversion between imported shapes units and mm
*/
void SetScale( double aScale )
{
m_scale = aScale;
}
/**
* @return the conversion factor from mm to internal unit
*/
double GetMillimeterToIuFactor()
{
return m_millimeterToIu;
}
/**
* @return the overall scale factor to convert the imported shapes dimension to mm.
*/
double ImportScalingFactor() const
{
return m_scale * m_millimeterToIu;
}
/**
* Return the list of objects representing the imported shapes.
*/
std::list<std::unique_ptr<EDA_ITEM>>& GetItems()
{
return m_items;
}
///> Default line thickness (in mm)
static constexpr unsigned int DEFAULT_LINE_WIDTH_DFX = 1;
// Methods to be implemented by derived graphics importers
/**
* Create an object representing a line segment.
*
* @param aOrigin is the segment origin point expressed in mm.
* @param aEnd is the segment end point expressed in mm.
* @param aWidth is the segment thickness in mm. Use -1 for default line thickness
*/
virtual void AddLine( const VECTOR2D& aOrigin, const VECTOR2D& aEnd, double aWidth ) = 0;
/**
* Create an object representing a circle.
*
* @param aCenter is the circle center point expressed in mm.
* @param aRadius is the circle radius expressed in mm.
* @param aWidth is the segment thickness in mm. Use -1 for default line thickness
*/
virtual void AddCircle( const VECTOR2D& aCenter, double aRadius, double aWidth ) = 0;
/**
* Create an object representing an arc.
*
* @param aCenter is the arc center point expressed in mm.
* @param aStart is the arc arm end point expressed in mm.
* Its length is the arc radius.
* @param aAngle is the arc angle expressed in degrees.
* @param aWidth is the segment thickness in mm. Use -1 for default line thickness
*/
virtual void AddArc( const VECTOR2D& aCenter, const VECTOR2D& aStart, double aAngle,
double aWidth ) = 0;
virtual void AddPolygon( const std::vector< VECTOR2D >& aVertices, double aWidth ) = 0;
/**
* Create an object representing a text.
*
* @param aOrigin is the text position.
* @param aText is the displayed text.
* @param aHeight is the text height expressed in mm.
* @param aWidth is the text width expressed in mm.
* @param aOrientation is the text orientation angle expressed in degrees.
* @param aHJustify is the text horizontal justification.
* @param aVJustify is the text vertical justification.
* @param aWidth is the segment thickness in mm. Use -1 for default line thickness
*/
virtual void AddText( const VECTOR2D& aOrigin, const wxString& aText,
double aHeight, double aWidth, double aThickness, double aOrientation,
EDA_TEXT_HJUSTIFY_T aHJustify, EDA_TEXT_VJUSTIFY_T aVJustify ) = 0;
/**
* Create an object representing an arc.
*
* @param aStart is the curve start point expressed in mm.
* @param aBezierControl1 is the first Bezier control point expressed in mm.
* @param aBezierControl2 is the second Bezier control point expressed in mm.
* @param aEnd is the curve end point expressed in mm.
* @param aWidth is the segment thickness in mm. Use -1 for default line thickness
*/
virtual void AddSpline( const VECTOR2D& aStart, const VECTOR2D& aBezierControl1,
const VECTOR2D& aBezierControl2, const VECTOR2D& aEnd,
double aWidth ) = 0;
protected:
///> Adds an item to the imported shapes list.
void addItem( std::unique_ptr<EDA_ITEM> aItem )
{
m_items.emplace_back( std::move( aItem ) );
}
private:
///> List of imported items
std::list<std::unique_ptr<EDA_ITEM>> m_items;
///> Plugin used to load a file
std::unique_ptr<GRAPHICS_IMPORT_PLUGIN> m_plugin;
///> Total image width
double m_originalWidth;
///> Total image Height;
double m_originalHeight;
/**
* Scale factor applied to the imported graphics.
* 1.0 does not change the size of imported items
* scale < 1.0 reduce the size of imported items
*/
double m_scale;
///> Default line thickness for the imported graphics
double m_lineWidth;
protected:
///> factor to convert millimeters to Internal Units
double m_millimeterToIu;
///> Offset (in mm) for imported coordinates
VECTOR2D m_offsetCoordmm;
};
#endif /* GRAPHICS_IMPORTER_H */