kicad/gerbview/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 <jon@craftyjon.com>
* Copyright (C) 2017 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 <layers_id_colors_and_visibility.h>
#include <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;
/**
* GERBVIEW_RENDER_SETTINGS
* Stores GerbView specific render settings.
*/
class GERBVIEW_RENDER_SETTINGS : public RENDER_SETTINGS
{
public:
friend class GERBVIEW_PAINTER;
GERBVIEW_RENDER_SETTINGS();
void LoadColors( const COLOR_SETTINGS* aSettings ) override;
/**
* Function LoadDisplayOptions
* Loads settings related to display options
* @param aOptions are settings that you want to use for displaying items.
*/
void LoadDisplayOptions( const GBR_DISPLAY_OPTIONS& aOptions );
/// @copydoc RENDER_SETTINGS::GetColor()
virtual COLOR4D GetColor( const VIEW_ITEM* aItem, int aLayer ) const override;
/**
* Function GetLayerColor
* Returns the color used to draw a layer.
* @param aLayer is the layer number.
*/
inline const COLOR4D& GetLayerColor( int aLayer ) const
{
return m_layerColors[aLayer];
}
/**
* Function SetLayerColor
* Changes the color used to draw a layer.
* @param aLayer is the layer number.
* @param aColor is the new color.
*/
inline void SetLayerColor( int aLayer, const COLOR4D& aColor )
{
m_layerColors[aLayer] = aColor;
update(); // recompute other shades of the color
}
const COLOR4D& GetBackgroundColor() override { return m_layerColors[ LAYER_GERBVIEW_BACKGROUND ]; }
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 ]; }
inline bool IsSpotFill() const
{
return m_spotFill;
}
inline bool IsLineFill() const
{
return m_lineFill;
}
inline bool IsPolygonFill() const
{
return m_polygonFill;
}
inline bool IsShowNegativeItems() const
{
return m_showNegativeItems;
}
inline bool IsShowCodes() const
{
return m_showCodes;
}
inline bool IsDiffMode() const
{
return m_diffMode;
}
/// If set to anything but an empty string, will highlight items with matching component
wxString m_componentHighlightString;
/// If set to anything but an empty string, will highlight items with matching net
wxString m_netHighlightString;
/// If set to anything but an empty string, will highlight items with matching attribute
wxString m_attributeHighlightString;
protected:
/// Flag determining if spots should be drawn with fill
bool m_spotFill;
/// Flag determining if lines should be drawn with fill
bool m_lineFill;
/// Flag determining if polygons should be drawn with fill
bool m_polygonFill;
/// Flag determining if negative items should be drawn with a "ghost" color
bool m_showNegativeItems;
/// Flag determining if D-Codes should be drawn
bool m_showCodes;
/// Flag determining if layers should be rendered in "diff" mode
bool m_diffMode;
/// Maximum font size for D-Codes and other strings
static const double MAX_FONT_SIZE;
};
/**
* GERBVIEW_PAINTER
* Contains methods for drawing GerbView-specific items.
*/
class GERBVIEW_PAINTER : public PAINTER
{
public:
GERBVIEW_PAINTER( GAL* aGal );
/// @copydoc PAINTER::GetSettings()
virtual GERBVIEW_RENDER_SETTINGS* GetSettings() override
{
return &m_gerbviewSettings;
}
/// @copydoc PAINTER::Draw()
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 );
/**
* Helper routine to draw a polygon
* @param aParent Pointer to the draw item for AB Position calculation
* @param aPolygon the polygon to draw
* @param aFilled If true, draw the polygon as filled, otherwise only outline
* @param aShift If true, draw the polygon relative to the parent item position
*/
void drawPolygon( GERBER_DRAW_ITEM* aParent, const SHAPE_POLY_SET& aPolygon,
bool aFilled, bool aShift = false );
/// Helper to draw a flashed shape (aka spot)
void drawFlashedShape( GERBER_DRAW_ITEM* aItem, bool aFilled );
/// Helper to draw an aperture macro shape
void drawApertureMacro( GERBER_DRAW_ITEM* aParent, bool aFilled );
/**
* Function getLineThickness()
* Get the thickness to draw for a line (e.g. 0 thickness lines
* get a minimum value).
* @param aActualThickness line own thickness
* @return the thickness to draw
*/
int getLineThickness( int aActualThickness ) const;
};
} // namespace KIGFX
#endif /* __GERBVIEW_PAINTER_H */