119 lines
3.9 KiB
C++
119 lines
3.9 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) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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* Copyright (C) 2013 CERN
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* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
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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 __CLASS_PAINTER_H
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#define __CLASS_PAINTER_H
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#include <map>
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#include <set>
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#include <gal/color4d.h>
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#include <render_settings.h>
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#include <layers_id_colors_and_visibility.h>
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#include <memory>
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class EDA_ITEM;
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class COLOR_SETTINGS;
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namespace KIGFX
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{
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class GAL;
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class VIEW_ITEM;
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/**
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* PAINTER
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* contains all the knowledge about how to draw graphical object onto
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* any particular output device.
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* This knowledge is held outside the individual graphical objects so that
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* alternative output devices may be used, and so that the graphical objects
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* themselves to not contain drawing routines. Drawing routines in the objects
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* cause problems with usages of the objects as simple container objects in
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* DLL/DSOs.
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* PAINTER is an abstract layer, because every module (pcbnew, eeschema, etc.)
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* has to draw different kinds of objects.
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*/
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class PAINTER
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{
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public:
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/**
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* Constructor PAINTER( GAL* )
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* initializes this object for painting on any of the polymorphic
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* GRAPHICS_ABSTRACTION_LAYER* derivatives.
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*
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* @param aGal is a pointer to a polymorphic GAL device on which
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* to draw (i.e. Cairo, OpenGL, wxDC)
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* No ownership is given to this PAINTER of aGal.
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*/
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PAINTER( GAL* aGal );
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virtual ~PAINTER();
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/**
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* Function SetGAL
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* Changes Graphics Abstraction Layer used for drawing items for a new one.
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* @param aGal is the new GAL instance.
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*/
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void SetGAL( GAL* aGal )
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{
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m_gal = aGal;
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}
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/**
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* Function ApplySettings
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* Loads colors and display modes settings that are going to be used when drawing items.
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* @param aSettings are settings to be applied.
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*/
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virtual void ApplySettings( const RENDER_SETTINGS* aSettings ) = 0;
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/**
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* Function GetAdapter
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* Returns pointer to current settings that are going to be used when drawing items.
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* @return Current rendering settings.
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*/
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virtual RENDER_SETTINGS* GetSettings() = 0;
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/**
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* Function Draw
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* Takes an instance of VIEW_ITEM and passes it to a function that know how to draw the item.
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* @param aItem is an item to be drawn.
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* @param aLayer tells which layer is currently rendered so that draw functions
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* may know what to draw (eg. for pads there are separate layers for holes, because they
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* have other dimensions then the pad itself.
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*/
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virtual bool Draw( const VIEW_ITEM* aItem, int aLayer ) = 0;
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protected:
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/// Instance of graphic abstraction layer that gives an interface to call
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/// commands used to draw (eg. DrawLine, DrawCircle, etc.)
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GAL* m_gal;
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/// Color of brightened item frame
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COLOR4D m_brightenedColor;
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};
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} // namespace KIGFX
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#endif /* __CLASS_PAINTER_H */
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