gerbview_painter.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2017 Jon Evans <[email protected]>
 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef __GERBVIEW_PAINTER_H
#define __GERBVIEW_PAINTER_H
 
#include <layer_ids.h>
#include <gal/painter.h>
 
#include <dcode.h>
#include <gbr_display_options.h>
#include <geometry/shape_poly_set.h>
 
#include <memory>
 
 
class EDA_ITEM;
class GERBER_DRAW_ITEM;
class GERBER_FILE_IMAGE;
 
 
namespace KIGFX
{
class GAL;

class GERBVIEW_RENDER_SETTINGS : public RENDER_SETTINGS
{
public:
    friend class GERBVIEW_PAINTER;
 
    GERBVIEW_RENDER_SETTINGS();
 
    void LoadColors( const COLOR_SETTINGS* aSettings ) override;

    virtual COLOR4D GetColor( const VIEW_ITEM* aItem, int aLayer ) const override;

    inline const COLOR4D& GetLayerColor( int aLayer ) const
    {
        auto it = m_layerColors.find( aLayer );
        return it == m_layerColors.end() ? COLOR4D::WHITE : it->second;
    }

    inline void SetLayerColor( int aLayer, const COLOR4D& aColor )
    {
        m_layerColors[aLayer] = aColor;
 
        update();       // recompute other shades of the color
    }
 
    const COLOR4D& GetBackgroundColor() const override
    {
        auto it = m_layerColors.find( LAYER_GERBVIEW_BACKGROUND );
        return it == m_layerColors.end() ? COLOR4D::BLACK : it->second;
    }
 
    void SetBackgroundColor( const COLOR4D& aColor ) override
    {
        m_layerColors[ LAYER_GERBVIEW_BACKGROUND ] = aColor;
    }
 
    const COLOR4D& GetGridColor() override { return m_layerColors[ LAYER_GERBVIEW_GRID ]; }
 
    const COLOR4D& GetCursorColor() override { return m_layerColors[ LAYER_CURSOR ]; }
 
    bool GetShowPageLimits() const override;

    void ClearHighlightSelections();

    wxString m_componentHighlightString;

    wxString m_netHighlightString;

    wxString m_attributeHighlightString;

    int m_dcodeHighlightValue;
 
protected:
    static const double MAX_FONT_SIZE;
};
 

class GERBVIEW_PAINTER : public PAINTER
{
public:
    GERBVIEW_PAINTER( GAL* aGal );

    virtual GERBVIEW_RENDER_SETTINGS* GetSettings() override
    {
        return &m_gerbviewSettings;
    }

    virtual bool Draw( const VIEW_ITEM* aItem, int aLayer ) override;
 
protected:
    GERBVIEW_RENDER_SETTINGS m_gerbviewSettings;
 
    // Drawing functions
    void draw( /*const*/ GERBER_DRAW_ITEM* aVia, int aLayer );

    void drawPolygon( GERBER_DRAW_ITEM* aParent, const SHAPE_POLY_SET& aPolygon,
                      bool aFilled, bool aShift = false );

    void drawFlashedShape( GERBER_DRAW_ITEM* aItem, bool aFilled );

    void drawApertureMacro( GERBER_DRAW_ITEM* aParent, bool aFilled );

    int getLineThickness( int aActualThickness ) const;
};
} // namespace KIGFX
 
#endif /* __GERBVIEW_PAINTER_H */