 Introduction of Graphics Abstraction Layer based rendering for pcbnew.
New classes:
- VIEW - represents view that is seen by user, takes care of layer ordering & visibility and how it is displayed (which location, how much zoomed, etc.)
- VIEW_ITEM - Base class for every item that can be displayed on VIEW (the biggest change is that now it may be necessary to override ViewBBox & ViewGetLayers method for derived classes).
- EDA_DRAW_PANEL_GAL - Inherits after EDA_DRAW_PANEL, displays VIEW output, right now it is not editable (in opposite to usual EDA_DRAW_PANEL).
- GAL/OPENGL_GAL/CAIRO_GAL - Base Graphics Abstraction Layer class + two different flavours (Cairo is not fully supported yet), that offers methods to draw primitives using different libraries.
- WX_VIEW_CONTROLS - Controller for VIEW, handles user events, allows zooming, panning, etc.
- PAINTER/PCB_PAINTER - Classes that uses GAL interface to draw items (as you may have already guessed - PCB_PAINTER is a class for drawing PCB specific object, PAINTER is an abstract class). Its methods are invoked by VIEW, when an item has to be drawn. To display a new type of item - you need to implement draw(ITEM_TYPE*) method that draws it using GAL methods.
- STROKE_FONT - Implements stroke font drawing using GAL methods.
Most important changes to Kicad original code:
* EDA_ITEM now inherits from VIEW_ITEM, which is a base class for all drawable objects.
* EDA_DRAW_FRAME contains both usual EDA_DRAW_PANEL and new EDA_DRAW_PANEL_GAL, that can be switched anytime.
* There are some new layers for displaying multilayer pads, vias & pads holes (these are not shown yet on the right sidebar in pcbnew)
* Display order of layers is different than in previous versions (if you are curious - you may check m_galLayerOrder@pcbnew/basepcbframe.cpp). Preserving usual order would result in not very natural display, such as showing silkscreen texts on the bottom.
* Introduced new hotkey (Alt+F12) and new menu option (View->Switch canvas) for switching canvas during runtime.
* Some of classes (mostly derived from BOARD_ITEM) now includes ViewBBox & ViewGetLayers methods.
* Removed tools/class_painter.h, as now it is extended and included in source code.
Build changes:
* GAL-based rendering option is turned on by a new compilation CMake option KICAD_GAL.
* When compiling with CMake option KICAD_GAL=ON, GLEW and Cairo libraries are required.
* GAL-related code is compiled into a static library (common/libgal).
* Build with KICAD_GAL=OFF should not need any new libraries and should come out as a standard version of Kicad
Currently most of items in pcbnew can be displayed using OpenGL (to be done are DIMENSIONS and MARKERS).
More details about GAL can be found in: http://www.ohwr.org/attachments/1884/view-spec.pdf
13 years ago |
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/*
* This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com * Copyright (C) 1992-2011 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 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 */
/**
* @file class_text_mod.h * @brief Footprint text class description. */
#ifndef TEXT_MODULE_H_
#define TEXT_MODULE_H_
#include <eda_text.h>
#include <class_board_item.h>
class LINE_READER;class EDA_RECT;class EDA_DRAW_PANEL;class MODULE;class MSG_PANEL_ITEM;
#define UMBILICAL_COLOR LIGHTBLUE
class TEXTE_MODULE : public BOARD_ITEM, public EDA_TEXT{ // @todo eliminate these friends, make them use accessors
friend class MODULE; friend class FOOTPRINT_EDIT_FRAME;
public: enum TEXT_TYPE { TEXT_is_REFERENCE = 0, TEXT_is_VALUE = 1, TEXT_is_DIVERS = 2 };
private:
/* Note: orientation in 1/10 deg relative to the footprint
* Physical orient is m_Orient + m_Parent->m_Orient */
TEXT_TYPE m_Type; ///< 0=ref, 1=val, etc.
bool m_NoShow; ///< true = invisible
wxPoint m_Pos0; ///< text coordinates relatives to the footprint anchor, orient 0.
///< text coordinate ref point is the text centre
public: TEXTE_MODULE( MODULE* parent, TEXT_TYPE text_type = TEXT_is_DIVERS );
// Do not create a copy constructor. The one generated by the compiler is adequate.
~TEXTE_MODULE();
virtual const wxPoint& GetPosition() const { return m_Pos; }
virtual void SetPosition( const wxPoint& aPos ) { m_Pos = aPos; }
void Move( const wxPoint& aMoveVector ) { m_Pos += aMoveVector; }
void Rotate( const wxPoint& aRotCentre, double aAngle );
void Flip( const wxPoint& aCentre );
TEXTE_MODULE* Next() const { return (TEXTE_MODULE*) Pnext; }
TEXTE_MODULE* Back() const { return (TEXTE_MODULE*) Pback; }
/// @deprecated it seems (but the type is used to 'protect'
//reference and value from deletion, and for identification)
void SetType( TEXT_TYPE aType ) { m_Type = aType; } TEXT_TYPE GetType() const { return m_Type; }
void SetVisible( bool isVisible ) { m_NoShow = !isVisible; } bool IsVisible() const { return !m_NoShow; }
void SetPos0( const wxPoint& aPos ) { m_Pos0 = aPos; } const wxPoint& GetPos0() const { return m_Pos0; }
void Copy( TEXTE_MODULE* source ); // copy structure
int GetLength() const; // text length
double GetDrawRotation() const; // Return text rotation for drawings and plotting
/**
* Function GetTextRect * @return an EDA_RECT which gives the position and size of the text area * (for the 0 orient text and footprint) */ EDA_RECT GetTextRect( void ) const;
EDA_RECT GetBoundingBox() const;
void SetDrawCoord(); // Set absolute coordinates.
void SetLocalCoord(); // Set relative coordinates.
/* drawing functions */ void Draw( EDA_DRAW_PANEL* panel, wxDC* DC, GR_DRAWMODE aDrawMode, const wxPoint& offset = ZeroOffset );
/**
* Function DrawUmbilical * draws a line from the TEXTE_MODULE origin * to parent MODULE origin. * @param aPanel = the current DrawPanel * @param aDC = the current device context * @param aDrawMode = drawing mode, typically GR_XOR * @param aOffset = offset for TEXTE_MODULE */ void DrawUmbilical( EDA_DRAW_PANEL* aPanel, wxDC* aDC, GR_DRAWMODE aDrawMode, const wxPoint& aOffset = ZeroOffset );
void GetMsgPanelInfo( std::vector< MSG_PANEL_ITEM >& aList );
bool HitTest( const wxPoint& aPosition );
wxString GetClass() const { return wxT( "MTEXT" ); }
wxString GetSelectMenuText() const;
BITMAP_DEF GetMenuImage() const { return footprint_text_xpm; }
EDA_ITEM* Clone() const;
/// @copydoc VIEW_ITEM::ViewGetLayers()
virtual void ViewGetLayers( int aLayers[], int& aCount ) const;
#if defined(DEBUG)
virtual void Show( int nestLevel, std::ostream& os ) const { ShowDummy( os ); } // override
#endif
};
#endif // TEXT_MODULE_H_
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