kicad/include/render_settings.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2019 KiCad Developers, see CHANGELOG.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 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 RENDER_SETTINGS_H
#define RENDER_SETTINGS_H
#include <map>
#include <set>
#include <gal/color4d.h>
#include <layers_id_colors_and_visibility.h>
#include <memory>
class EDA_ITEM;
class COLOR_SETTINGS;
namespace KIGFX
{
class VIEW_ITEM;
/**
* RENDER_SETTINGS
* Contains all the knowledge about how graphical objects are drawn on any output
* surface/device. This includes:
* - color/transparency settings
* - highlighting and high contrast mode control
* - drawing quality control (sketch/outline mode)
* - text processing flags
* The class acts as an interface between the PAINTER object and the GUI (i.e. Layers/Items
* widget or display options dialog).
*/
class RENDER_SETTINGS
{
public:
RENDER_SETTINGS();
virtual ~RENDER_SETTINGS();
virtual void LoadColors( const COLOR_SETTINGS* aSettings ) { }
/**
* Function SetActiveLayer
* Sets the specified layer as active - it means that it can be drawn in a specific mode
* (eg. highlighted, so it differs from other layers).
* @param aLayerId is a layer number that should be displayed in a specific mode.
* @param aEnabled is the new layer state ( true = active or false = not active).
*/
inline void SetActiveLayer( int aLayerId, bool aEnabled = true )
{
if( aEnabled )
m_activeLayers.insert( aLayerId );
else
m_activeLayers.erase( aLayerId );
}
/**
* Function GetActiveLayers()
* Returns the set of currently active layers.
* @return The set of currently active layers.
*/
const std::set<unsigned int> GetActiveLayers() const
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{
return m_activeLayers;
}
/**
* Function ClearActiveLayers
* Clears the list of active layers.
*/
inline void ClearActiveLayers()
{
m_activeLayers.clear();
}
/**
* Function IsActiveLayer
* Returns information whether the queried layer is marked as active.
* @return True if the queried layer is marked as active.
*/
inline bool IsActiveLayer( int aLayerId ) const
{
return ( m_activeLayers.count( aLayerId ) > 0 );
}
/**
* Function IsHighlightEnabled
* Returns current highlight setting.
* @return True if highlight is enabled, false otherwise.
*/
inline bool IsHighlightEnabled() const
{
return m_highlightEnabled;
}
/**
* Function GetHighlightNetCode
* Returns netcode of currently highlighted net.
* @return Netcode of currently highlighted net.
*/
inline const std::set<int>& GetHighlightNetCodes() const
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{
return m_highlightNetcodes;
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}
/**
* Function SetHighlight
* Turns on/off highlighting - it may be done for the active layer or the specified net(s).
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* @param aEnabled tells if highlighting should be enabled.
* @param aNetcode is optional and if specified, turns on higlighting only for the net with
* number given as the parameter.
*/
inline void SetHighlight( bool aEnabled, int aNetcode = -1, bool aMulti = false )
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{
m_highlightEnabled = aEnabled;
if( aEnabled )
{
if( !aMulti )
m_highlightNetcodes.clear();
m_highlightNetcodes.insert( aNetcode );
}
else
m_highlightNetcodes.clear();
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}
/**
* Function SetHighContrast
* Turns on/off high contrast display mode.
*/
void SetHighContrast( bool aEnabled ) { m_hiContrastEnabled = aEnabled; }
bool GetHighContrast() const { return m_hiContrastEnabled; }
/**
* Returns the color that should be used to draw the specific VIEW_ITEM on the specific layer
* using currently used render settings.
* @param aItem is the VIEW_ITEM.
* @param aLayer is the layer.
* @return The color.
*/
virtual COLOR4D GetColor( const VIEW_ITEM* aItem, int aLayer ) const = 0;
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float GetWorksheetLineWidth() const { return m_worksheetLineWidth; }
int GetDefaultPenWidth() const { return m_defaultPenWidth; }
void SetDefaultPenWidth( int aWidth ) { m_defaultPenWidth = aWidth; }
bool GetShowPageLimits() const { return m_showPageLimits; }
void SetShowPageLimits( bool aDraw ) { m_showPageLimits = aDraw; }
/**
* Function GetBackgroundColor
* Returns current background color settings.
*/
virtual const COLOR4D& GetBackgroundColor() = 0;
/**
* Sets the background color.
*/
virtual void SetBackgroundColor( const COLOR4D& aColor ) = 0;
/**
* Function GetGridColor
* Returns current grid color settings.
*/
virtual const COLOR4D& GetGridColor() = 0;
/**
* Function GetCursorColor
* Returns current cursor color settings.
*/
virtual const COLOR4D& GetCursorColor() = 0;
/**
* 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
}
virtual bool IsBackgroundDark() const
{
return false;
}
/**
* Set line width used for drawing outlines.
*
* @param aWidth is the new width.
*/
void SetOutlineWidth( float aWidth )
{
m_outlineWidth = aWidth;
}
void SetHighlightFactor( float aFactor ) { m_highlightFactor = aFactor; }
void SetSelectFactor( float aFactor ) { m_selectFactor = aFactor; }
void SetHighContrastFactor( float aFactor ) { m_hiContrastFactor = aFactor; }
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// TODO: these can go away once we have Cairo-based printing
wxDC* GetPrintDC() { return m_printDC; }
void SetPrintDC( wxDC* aDC ) { m_printDC = aDC; }
protected:
/**
* Function update
* Precalculates extra colors for layers (e.g. highlighted, darkened and any needed version
* of base colors).
*/
virtual void update();
std::set<unsigned int> m_activeLayers; ///< Stores active layers number
COLOR4D m_layerColors[LAYER_ID_COUNT]; // Layer colors
COLOR4D m_layerColorsHi[LAYER_ID_COUNT]; // Layer colors for highlighted objects
COLOR4D m_layerColorsSel[LAYER_ID_COUNT]; // Layer colors for selected objects
COLOR4D m_hiContrastColor[LAYER_ID_COUNT]; // High-contrast mode layer colors
COLOR4D m_layerColorsDark[LAYER_ID_COUNT]; // Darkened layer colors (for high-contrast mode)
COLOR4D m_backgroundColor; // The background color
/// Parameters for display modes
bool m_hiContrastEnabled; // High contrast display mode on/off
float m_hiContrastFactor; // Factor used for computing high contrast color
bool m_highlightEnabled; // Highlight display mode on/off
std::set<int> m_highlightNetcodes; // Set of net cods to be highlighted
float m_highlightFactor; // Factor used for computing highlight color
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float m_selectFactor; // Specifies how color of selected items is changed
float m_outlineWidth; // Line width used when drawing outlines
float m_worksheetLineWidth; // Line width used when drawing worksheet
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int m_defaultPenWidth;
bool m_showPageLimits;
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wxDC* m_printDC; // This can go away once we have Cairo-based printing.
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};
}
#endif /* RENDER_SETTINGS_H */