kicad/pcbnew/class_text_mod.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2012 Jean-Pierre Charras, jean-pierre.charras@ujf-grenoble.fr
* Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 1992-2012 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_module.cpp
* @brief TEXT_MODULE class implementation.
*/
#include <fctsys.h>
#include <gr_basic.h>
#include <wxstruct.h>
#include <trigo.h>
#include <class_drawpanel.h>
#include <drawtxt.h>
#include <kicad_string.h>
#include <pcbcommon.h>
#include <colors_selection.h>
#include <richio.h>
#include <macros.h>
#include <wxBasePcbFrame.h>
#include <msgpanel.h>
#include <base_units.h>
#include <class_board.h>
#include <class_module.h>
#include <pcbnew.h>
TEXTE_MODULE::TEXTE_MODULE( MODULE* parent, TEXT_TYPE text_type ) :
BOARD_ITEM( parent, PCB_MODULE_TEXT_T ),
EDA_TEXT()
{
MODULE* module = (MODULE*) m_Parent;
m_Type = text_type;
m_NoShow = false;
// Set text tickness to a default value
m_Thickness = Millimeter2iu( 0.15 );
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SetLayer( SILKSCREEN_N_FRONT );
if( module && ( module->Type() == PCB_MODULE_T ) )
{
m_Pos = module->GetPosition();
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if( IsBackLayer( module->GetLayer() ) )
{
SetLayer( SILKSCREEN_N_BACK );
m_Mirror = true;
}
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else
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{
SetLayer( SILKSCREEN_N_FRONT );
m_Mirror = false;
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}
}
}
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TEXTE_MODULE::~TEXTE_MODULE()
{
}
void TEXTE_MODULE::Rotate( const wxPoint& aRotCentre, double aAngle )
{
RotatePoint( &m_Pos, aRotCentre, aAngle );
m_Orient += aAngle;
NORMALIZE_ANGLE_360( m_Orient );
}
void TEXTE_MODULE::Flip(const wxPoint& aCentre )
{
m_Pos.y = aCentre.y - ( m_Pos.y - aCentre.y );
SetLayer( FlipLayer( GetLayer() ) );
m_Mirror = !m_Mirror;
}
void TEXTE_MODULE::Copy( TEXTE_MODULE* source )
{
if( source == NULL )
return;
m_Pos = source->m_Pos;
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SetLayer( source->GetLayer() );
m_Mirror = source->m_Mirror;
m_NoShow = source->m_NoShow;
m_Type = source->m_Type;
m_Orient = source->m_Orient;
m_Pos0 = source->m_Pos0;
m_Size = source->m_Size;
m_Thickness = source->m_Thickness;
m_Italic = source->m_Italic;
m_Bold = source->m_Bold;
m_Text = source->m_Text;
}
int TEXTE_MODULE::GetLength() const
{
return m_Text.Len();
}
// Update draw coordinates
void TEXTE_MODULE::SetDrawCoord()
{
MODULE* module = (MODULE*) m_Parent;
m_Pos = m_Pos0;
if( module == NULL )
return;
double angle = module->GetOrientation();
RotatePoint( &m_Pos.x, &m_Pos.y, angle );
m_Pos += module->GetPosition();
}
// Update "local" coordinates (coordinates relatives to the footprint
// anchor point)
void TEXTE_MODULE::SetLocalCoord()
{
MODULE* module = (MODULE*) m_Parent;
if( module == NULL )
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{
m_Pos0 = m_Pos;
return;
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}
m_Pos0 = m_Pos - module->GetPosition();
double angle = module->GetOrientation();
RotatePoint( &m_Pos0.x, &m_Pos0.y, -angle );
}
/**
* Function GetTextRect
* @return an EDA_RECT which gives the position and size of the text area
* (for the footprint orientation)
*/
EDA_RECT TEXTE_MODULE::GetTextRect( void ) const
{
EDA_RECT area;
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int dx, dy;
dx = ( m_Size.x * GetLength() ) / 2;
dx = (dx * 10) / 9; /* letter size = 10/9 */
dx += m_Thickness / 2;
dy = ( m_Size.y + m_Thickness ) / 2;
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wxPoint Org = m_Pos; // This is the position of the center of the area
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Org.x -= dx;
Org.y -= dy;
area.SetOrigin( Org );
area.SetHeight( 2 * dy );
area.SetWidth( 2 * dx );
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area.Normalize();
return area;
}
bool TEXTE_MODULE::HitTest( const wxPoint& aPosition )
{
wxPoint rel_pos;
EDA_RECT area = GetTextRect();
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/* Rotate refPos to - angle
* to test if refPos is within area (which is relative to an horizontal
* text)
*/
rel_pos = aPosition;
RotatePoint( &rel_pos, m_Pos, -GetDrawRotation() );
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if( area.Contains( rel_pos ) )
return true;
return false;
}
/**
* Function GetBoundingBox
* returns the bounding box of this Text (according to text and footprint
* orientation)
*/
EDA_RECT TEXTE_MODULE::GetBoundingBox() const
{
// Calculate area without text fields:
EDA_RECT text_area;
double angle = GetDrawRotation();
wxPoint textstart, textend;
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text_area = GetTextRect();
textstart = text_area.GetOrigin();
textend = text_area.GetEnd();
RotatePoint( &textstart, m_Pos, angle );
RotatePoint( &textend, m_Pos, angle );
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text_area.SetOrigin( textstart );
text_area.SetEnd( textend );
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text_area.Normalize();
return text_area;
}
/**
* Function Draw
* Draw the text according to the footprint pos and orient
* @param panel = draw panel, Used to know the clip box
* @param DC = Current Device Context
* @param offset = draw offset (usually wxPoint(0,0)
* @param draw_mode = GR_OR, GR_XOR..
*/
void TEXTE_MODULE::Draw( EDA_DRAW_PANEL* panel, wxDC* DC, GR_DRAWMODE draw_mode,
const wxPoint& offset )
{
MODULE* module = (MODULE*) m_Parent;
/* parent must *not* be NULL (a module text without a footprint
parent has no sense) */
wxASSERT( module );
if( panel == NULL )
return;
BOARD* brd = GetBoard( );
EDA_COLOR_T color;
// Determine the element color or suppress it element if hidden
switch( module->GetLayer() )
{
case LAYER_N_BACK:
if( !brd->IsElementVisible( MOD_TEXT_BK_VISIBLE ) )
return;
color = brd->GetVisibleElementColor( MOD_TEXT_BK_VISIBLE );
break;
case LAYER_N_FRONT:
if( !brd->IsElementVisible( MOD_TEXT_FR_VISIBLE ) )
return;
color = brd->GetVisibleElementColor( MOD_TEXT_FR_VISIBLE );
break;
default:
color = brd->GetLayerColor( module->GetLayer() );
}
// 'Ghost' the element if forced show
if( m_NoShow )
{
if( !brd->IsElementVisible( MOD_TEXT_INVISIBLE ) )
return;
color = brd->GetVisibleElementColor( MOD_TEXT_INVISIBLE );
}
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// Draw mode compensation for the width
PCB_BASE_FRAME* frame = (PCB_BASE_FRAME*) panel->GetParent();
int width = m_Thickness;
if( ( frame->m_DisplayModText == LINE )
|| ( DC->LogicalToDeviceXRel( width ) <= MIN_DRAW_WIDTH ) )
width = 0;
else if( frame->m_DisplayModText == SKETCH )
width = -width;
GRSetDrawMode( DC, draw_mode );
wxPoint pos( m_Pos.x - offset.x,
m_Pos.y - offset.y);
// Draw the text anchor point
if( brd->IsElementVisible( ANCHOR_VISIBLE ) )
{
EDA_COLOR_T anchor_color = brd->GetVisibleElementColor(ANCHOR_VISIBLE);
GRDrawAnchor( panel->GetClipBox(), DC, pos.x, pos.y,
DIM_ANCRE_TEXTE, anchor_color );
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}
// Draw the text proper, with the right attributes
wxSize size = m_Size;
double orient = GetDrawRotation();
// If the text is mirrored : negate size.x (mirror / Y axis)
if( m_Mirror )
size.x = -size.x;
EDA_RECT* clipbox = panel? panel->GetClipBox() : NULL;
DrawGraphicText( clipbox, DC, pos, color, m_Text, orient,
size, m_HJustify, m_VJustify, width, m_Italic, m_Bold );
}
/* Draws a line from the TEXTE_MODULE origin to parent MODULE origin.
*/
void TEXTE_MODULE::DrawUmbilical( EDA_DRAW_PANEL* aPanel,
wxDC* aDC,
GR_DRAWMODE aDrawMode,
const wxPoint& aOffset )
{
MODULE* parent = (MODULE*) GetParent();
if( !parent )
return;
GRSetDrawMode( aDC, GR_XOR );
GRLine( aPanel->GetClipBox(), aDC,
parent->GetPosition(), GetTextPosition() + aOffset,
0, UMBILICAL_COLOR);
}
/* Return text rotation for drawings and plotting
*/
double TEXTE_MODULE::GetDrawRotation() const
{
MODULE* module = (MODULE*) m_Parent;
double rotation = m_Orient;
if( module )
rotation += module->GetOrientation();
NORMALIZE_ANGLE_POS( rotation );
// For angle = 0 .. 180 deg
while( rotation > 900 )
rotation -= 1800;
return rotation;
}
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// see class_text_mod.h
void TEXTE_MODULE::GetMsgPanelInfo( std::vector< MSG_PANEL_ITEM >& aList )
{
MODULE* module = (MODULE*) m_Parent;
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if( module == NULL ) // Happens in modedit, and for new texts
return;
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wxString msg, Line;
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static const wxString text_type_msg[3] =
{
_( "Ref." ), _( "Value" ), _( "Text" )
};
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Line = module->GetReference();
aList.push_back( MSG_PANEL_ITEM( _( "Module" ), Line, DARKCYAN ) );
Line = m_Text;
aList.push_back( MSG_PANEL_ITEM( _( "Text" ), Line, BROWN ) );
wxASSERT( m_Type >= TEXT_is_REFERENCE && m_Type <= TEXT_is_DIVERS );
aList.push_back( MSG_PANEL_ITEM( _( "Type" ), text_type_msg[m_Type], DARKGREEN ) );
if( m_NoShow )
msg = _( "No" );
else
msg = _( "Yes" );
aList.push_back( MSG_PANEL_ITEM( _( "Display" ), msg, DARKGREEN ) );
// Display text layer
aList.push_back( MSG_PANEL_ITEM( _( "Layer" ), GetLayerName(), DARKGREEN ) );
if( m_Mirror )
msg = _( " Yes" );
else
msg = _( " No" );
aList.push_back( MSG_PANEL_ITEM( _( "Mirror" ), msg, DARKGREEN ) );
msg.Printf( wxT( "%.1f" ), m_Orient / 10.0 );
aList.push_back( MSG_PANEL_ITEM( _( "Orient" ), msg, DARKGREEN ) );
msg = ::CoordinateToString( m_Thickness );
aList.push_back( MSG_PANEL_ITEM( _( "Thickness" ), msg, DARKGREEN ) );
msg = ::CoordinateToString( m_Size.x );
aList.push_back( MSG_PANEL_ITEM( _( "H Size" ), msg, RED ) );
msg = ::CoordinateToString( m_Size.y );
aList.push_back( MSG_PANEL_ITEM( _( "V Size" ), msg, RED ) );
}
wxString TEXTE_MODULE::GetSelectMenuText() const
{
wxString text;
switch( m_Type )
{
case TEXT_is_REFERENCE:
text.Printf( _( "Reference %s" ), GetChars( m_Text ) );
break;
case TEXT_is_VALUE:
text.Printf( _( "Value %s of %s" ), GetChars( m_Text ),
GetChars( ( (MODULE*) GetParent() )->GetReference() ) );
break;
default: // wrap this one in quotes:
text.Printf( _( "Text \"%s\" on %s of %s" ), GetChars( m_Text ),
GetChars( GetLayerName() ),
GetChars( ( (MODULE*) GetParent() )->GetReference() ) );
break;
}
return text;
}
EDA_ITEM* TEXTE_MODULE::Clone() const
{
return new TEXTE_MODULE( *this );
}
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
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void TEXTE_MODULE::ViewGetLayers( int aLayers[], int& aCount ) const
{
switch( m_Type )
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
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{
case TEXT_is_REFERENCE:
aLayers[0] = ITEM_GAL_LAYER( MOD_REFERENCES_VISIBLE );
break;
case TEXT_is_VALUE:
aLayers[0] = ITEM_GAL_LAYER( MOD_VALUES_VISIBLE );
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
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break;
default:
switch( GetParent()->GetLayer() )
{
case LAYER_N_BACK:
aLayers[0] = ITEM_GAL_LAYER( MOD_TEXT_BK_VISIBLE ); // how about SILKSCREEN_N_BACK?
break;
case LAYER_N_FRONT:
aLayers[0] = ITEM_GAL_LAYER( MOD_TEXT_FR_VISIBLE ); // how about SILKSCREEN_N_FRONT?
break;
}
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
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break;
}
2013-10-02 09:39:08 +00:00
aCount = 1;
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
2013-04-02 06:54:03 +00:00
}