299 lines
8.5 KiB
C++
299 lines
8.5 KiB
C++
/*
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* This program source code file is part of KICAD, a free EDA CAD application.
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*
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* Copyright (C) 2016 CERN
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* Copyright (C) 2019-2022 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* @author Maciej Suminski <maciej.suminski@cern.ch>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef GRAPHICS_IMPORTER_H
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#define GRAPHICS_IMPORTER_H
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#include "graphics_import_mgr.h"
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#include "graphics_import_plugin.h"
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#include <eda_text.h>
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#include <math/vector2d.h>
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#include <list>
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#include <memory>
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#include <vector>
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class EDA_ITEM;
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/**
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* Interface that creates objects representing shapes for a given data model.
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*/
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class GRAPHICS_IMPORTER
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{
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public:
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enum POLY_FILL_RULE
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{
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PF_NONZERO = 0,
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PF_EVEN_ODD
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};
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GRAPHICS_IMPORTER();
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virtual ~GRAPHICS_IMPORTER()
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{
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}
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/**
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* Set the import plugin used to obtain shapes from a file.
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*/
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void SetPlugin( std::unique_ptr<GRAPHICS_IMPORT_PLUGIN> aPlugin )
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{
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m_plugin = std::move( aPlugin );
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if( m_plugin )
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m_plugin->SetImporter( this );
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}
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/**
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* Load file and get its basic data
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*
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*/
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bool Load( const wxString& aFileName );
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/**
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* Import shapes from loaded file.
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*
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* It is important to have the file loaded before importing.
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*
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* @param aScale allow import graphic items with a non 1:1 import ratio
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* aScale = 1.0 to import graphics with their actual size.
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*/
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bool Import( double aScale = 1.0 );
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/**
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* Collect warning and error messages after loading/importing.
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*
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* @return the list of messages in one string. Each message ends by '\n'
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*/
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const wxString& GetMessages() const
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{
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return m_plugin->GetMessages();
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}
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/**
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* Get original image Width.
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*
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* @return Width of the loaded image in mm.
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*/
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double GetImageWidthMM() const
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{
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return m_originalWidth;
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}
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/**
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* Get original image Height
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*
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* @return Height of the loaded image in mm.
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*/
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double GetImageHeightMM() const
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{
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return m_originalHeight;
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}
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/**
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* Set the line width for the imported outlines (in mm).
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*/
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void SetLineWidthMM( double aWidth )
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{
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m_lineWidth = aWidth;
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}
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/**
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* Return the line width used for importing the outlines (in mm).
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*/
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double GetLineWidthMM() const
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{
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return m_lineWidth;
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}
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/**
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* @return the scale factor affecting the imported shapes.
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*/
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double GetScale() const
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{
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return m_scale;
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}
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/**
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* @return the offset in millimeters to add to coordinates when importing graphic items.
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*/
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const VECTOR2D& GetImportOffsetMM() const
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{
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return m_offsetCoordmm;
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}
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/**
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* Set the offset in millimeters to add to coordinates when importing graphic items.
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*/
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void SetImportOffsetMM( const VECTOR2D& aOffset )
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{
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m_offsetCoordmm = aOffset;
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}
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/**
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* Set the scale factor affecting the imported shapes.
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*
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* This allows conversion between imported shapes units and millimeters.
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*/
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void SetScale( double aScale )
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{
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m_scale = aScale;
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}
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/**
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* @return the conversion factor from mm to internal unit
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*/
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double GetMillimeterToIuFactor()
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{
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return m_millimeterToIu;
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}
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/**
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* @return the overall scale factor to convert the imported shapes dimension to mm.
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*/
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double ImportScalingFactor() const
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{
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return m_scale * m_millimeterToIu;
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}
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/**
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* Return the list of objects representing the imported shapes.
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*/
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std::list<std::unique_ptr<EDA_ITEM>>& GetItems()
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{
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return m_items;
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}
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///< Default line thickness (in mm)
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static constexpr unsigned int DEFAULT_LINE_WIDTH_DFX = 1;
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virtual void NewShape( POLY_FILL_RULE aFillRule = PF_NONZERO );
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/**
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* Create an object representing a line segment.
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*
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* @param aOrigin is the segment origin point expressed in mm.
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* @param aEnd is the segment end point expressed in mm.
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* @param aWidth is the segment thickness in mm. Use -1 for default line thickness
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*/
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virtual void AddLine( const VECTOR2D& aOrigin, const VECTOR2D& aEnd, double aWidth ) = 0;
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/**
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* Create an object representing a circle.
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*
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* @param aCenter is the circle center point expressed in mm.
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* @param aRadius is the circle radius expressed in mm.
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* @param aWidth is the segment thickness in mm. Use -1 for default line thickness
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*/
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virtual void AddCircle( const VECTOR2D& aCenter, double aRadius, double aWidth,
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bool aFilled ) = 0;
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/**
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* Create an object representing an arc.
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*
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* @param aCenter is the arc center point expressed in mm.
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* @param aStart is the arc arm end point expressed in mm.
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* Its length is the arc radius.
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* @param aAngle is the arc angle.
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* @param aWidth is the segment thickness in mm. Use -1 for default line thickness
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*/
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virtual void AddArc( const VECTOR2D& aCenter, const VECTOR2D& aStart, const EDA_ANGLE& aAngle,
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double aWidth ) = 0;
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virtual void AddPolygon( const std::vector< VECTOR2D >& aVertices, double aWidth ) = 0;
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/**
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* Create an object representing a text.
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*
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* @param aOrigin is the text position.
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* @param aText is the displayed text.
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* @param aHeight is the text height expressed in mm.
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* @param aWidth is the text width expressed in mm.
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* @param aOrientation is the text orientation angle expressed in degrees.
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* @param aHJustify is the text horizontal justification.
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* @param aVJustify is the text vertical justification.
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* @param aWidth is the segment thickness in mm. Use -1 for default line thickness
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*/
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virtual void AddText( const VECTOR2D& aOrigin, const wxString& aText, double aHeight,
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double aWidth, double aThickness, double aOrientation,
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GR_TEXT_H_ALIGN_T aHJustify, GR_TEXT_V_ALIGN_T aVJustify ) = 0;
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/**
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* Create an object representing an arc.
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*
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* @param aStart is the curve start point expressed in mm.
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* @param aBezierControl1 is the first Bezier control point expressed in mm.
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* @param aBezierControl2 is the second Bezier control point expressed in mm.
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* @param aEnd is the curve end point expressed in mm.
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* @param aWidth is the segment thickness in mm. Use -1 for default line thickness
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*/
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virtual void AddSpline( const VECTOR2D& aStart, const VECTOR2D& aBezierControl1,
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const VECTOR2D& aBezierControl2, const VECTOR2D& aEnd,
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double aWidth ) = 0;
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protected:
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///< Add an item to the imported shapes list.
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void addItem( std::unique_ptr<EDA_ITEM> aItem )
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{
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m_items.emplace_back( std::move( aItem ) );
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}
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///< factor to convert millimeters to Internal Units
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double m_millimeterToIu;
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///< Offset (in mm) for imported coordinates
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VECTOR2D m_offsetCoordmm;
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std::vector<POLY_FILL_RULE> m_shapeFillRules;
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private:
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///< List of imported items
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std::list<std::unique_ptr<EDA_ITEM>> m_items;
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///< Plugin used to load a file
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std::unique_ptr<GRAPHICS_IMPORT_PLUGIN> m_plugin;
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///< Total image width
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double m_originalWidth;
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///< Total image Height;
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double m_originalHeight;
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/**
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* Scale factor applied to the imported graphics.
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* 1.0 does not change the size of imported items
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* scale < 1.0 reduce the size of imported items
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*/
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double m_scale;
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///< Default line thickness for the imported graphics
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double m_lineWidth;
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};
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#endif /* GRAPHICS_IMPORTER_H */
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