kicad/gerbview/class_gerber_draw_item.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
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*
* Copyright (C) 1992-2010 <Jean-Pierre Charras>
* Copyright (C) 1992-2010 KiCad Developers, see change_log.txt for contributors.
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*
* 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_gerber_draw_item.h
*/
#ifndef CLASS_GERBER_DRAW_ITEM_H
#define CLASS_GERBER_DRAW_ITEM_H
#include <base_struct.h>
#include <dlist.h>
#include <layers_id_colors_and_visibility.h>
#include <gr_basic.h>
class GERBER_IMAGE;
class GBR_LAYOUT;
class D_CODE;
class MSG_PANEL_ITEM;
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/* Shapes id for basic shapes ( .m_Shape member ) */
enum Gbr_Basic_Shapes {
GBR_SEGMENT = 0, // usual segment : line with rounded ends
GBR_ARC, // Arcs (with rounded ends)
GBR_CIRCLE, // ring
GBR_POLYGON, // polygonal shape
GBR_SPOT_CIRCLE, // flashed shape: round shape (can have hole)
GBR_SPOT_RECT, // flashed shape: rectangular shape can have hole)
GBR_SPOT_OVAL, // flashed shape: oval shape
GBR_SPOT_POLY, // flashed shape: regular polygon, 3 to 12 edges
GBR_SPOT_MACRO, // complex shape described by a macro
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GBR_LAST // last value for this list
};
/***/
class GERBER_DRAW_ITEM : public EDA_ITEM
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{
// make SetNext() and SetBack() private so that they may not be called from anywhere.
// list management is done on GERBER_DRAW_ITEMs using DLIST<GERBER_DRAW_ITEM> only.
private:
void SetNext( EDA_ITEM* aNext ) { Pnext = aNext; }
void SetBack( EDA_ITEM* aBack ) { Pback = aBack; }
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public:
bool m_UnitsMetric; /* store here the gerber units (inch/mm). Used
* only to calculate aperture macros shapes sizes */
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int m_Shape; // Shape and type of this gerber item
wxPoint m_Start; // Line or arc start point or position of the shape
// for flashed items
wxPoint m_End; // Line or arc end point
wxPoint m_ArcCentre; // for arcs only: Centre of arc
std::vector <wxPoint> m_PolyCorners; // list of corners for polygons (G36 to G37 coordinates)
// or for complex shapes which are converted to polygon
wxSize m_Size; // Flashed shapes: size of the shape
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// Lines : m_Size.x = m_Size.y = line width
bool m_Flashed; // True for flashed items
int m_DCode; // DCode used to draw this item.
// 0 for items that do not use DCodes (polygons)
// or when unknown and normal values are 10 to 999
// values 0 to 9 can be used for special purposes
GERBER_IMAGE* m_imageParams; /* main GERBER info for this item
* Note: some params stored in this class are common
* to the whole gerber file (i.e) the whole graphic
* layer and some can change when reaging the file,
* so they are stored inside this item there is no
* redundancy for these parameters
*/
private:
LAYER_NUM m_Layer;
// These values are used to draw this item, according to gerber layers parameters
// Because they can change inside a gerber image, they are stored here
// for each item
bool m_LayerNegative; // true = item in negative Layer
bool m_swapAxis; // false if A = X, B = Y; true if A =Y, B = Y
bool m_mirrorA; // true: mirror / axe A
bool m_mirrorB; // true: mirror / axe B
wxRealPoint m_drawScale; // A and B scaling factor
wxPoint m_layerOffset; // Offset for A and B axis, from OF parameter
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double m_lyrRotation; // Fine rotation, from OR parameter, in degrees
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public:
GERBER_DRAW_ITEM( GBR_LAYOUT* aParent, GERBER_IMAGE* aGerberparams );
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GERBER_DRAW_ITEM( const GERBER_DRAW_ITEM& aSource );
~GERBER_DRAW_ITEM();
/**
* Function Copy
* will copy this object
* the corresponding type.
* @return - GERBER_DRAW_ITEM*
*/
GERBER_DRAW_ITEM* Copy() const;
GERBER_DRAW_ITEM* Next() const { return static_cast<GERBER_DRAW_ITEM*>( Pnext ); }
GERBER_DRAW_ITEM* Back() const { return static_cast<GERBER_DRAW_ITEM*>( Pback ); }
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/**
* Function GetLayer
* returns the layer this item is on.
*/
LAYER_NUM GetLayer() const { return m_Layer; }
/**
* Function SetLayer
* sets the layer this item is on.
* @param aLayer The layer number.
* is virtual because some items (in fact: class DIMENSION)
* have a slightly different initialization
*/
void SetLayer( LAYER_NUM aLayer ) { m_Layer = aLayer; }
LAYER_MSK GetLayerMask()
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{
return ::GetLayerMask( m_Layer );
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}
bool GetLayerPolarity()
{
return m_LayerNegative;
}
/**
* Function HasNegativeItems
* @return true if this item or at least one shape (when using aperture macros
* must be drawn in background color
* used to optimize screen refresh (when no items are in background color
* refresh can be faster)
*/
bool HasNegativeItems();
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/**
* Function SetLayerParameters
* Initialize parameters from Image and Layer parameters
* found in the gerber file:
* m_UnitsMetric,
* m_MirrorA, m_MirrorB,
* m_DrawScale, m_DrawOffset
*/
void SetLayerParameters();
void SetLayerPolarity( bool aNegative)
{
m_LayerNegative = aNegative;
}
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/**
* Function MoveAB
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* move this object.
* @param aMoveVector - the move vector for this object.
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*/
void MoveAB( const wxPoint& aMoveVector );
/**
* Function MoveXY
* move this object.
* @param aMoveVector - the move vector for this object, in XY gerber axis.
*/
void MoveXY( const wxPoint& aMoveVector );
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/**
* Function GetPosition
* returns the position of this object.
* @return const wxPoint& - The position of this object.
* This function exists mainly to satisfy the virtual GetPosition() in parent class
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*/
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const wxPoint& GetPosition() const { return m_Start; }
void SetPosition( const wxPoint& aPos ) { m_Start = aPos; }
/**
* Function GetABPosition
* returns the image position of aPosition for this object.
* Image position is the value of aPosition, modified by image parameters:
* offsets, axis selection, scale, rotation
* @param aXYPosition = position in X,Y gerber axis
* @return const wxPoint - The given position in plotter A,B axis.
*/
wxPoint GetABPosition( const wxPoint& aXYPosition ) const;
/**
* Function GetXYPosition
* returns the image position of aPosition for this object.
* Image position is the value of aPosition, modified by image parameters:
* offsets, axis selection, scale, rotation
* @param aABPosition = position in A,B plotter axis
* @return const wxPoint - The given position in X,Y axis.
*/
wxPoint GetXYPosition( const wxPoint& aABPosition );
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/**
* Function GetDcodeDescr
* returns the GetDcodeDescr of this object, or NULL.
* @return D_CODE* - a pointer to the DCode description (for flashed items).
*/
D_CODE* GetDcodeDescr();
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const EDA_RECT GetBoundingBox() const; // Virtual
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/* Display on screen: */
void Draw( EDA_DRAW_PANEL* aPanel,
wxDC* aDC,
GR_DRAWMODE aDrawMode,
const wxPoint&aOffset );
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/**
* Function ConvertSegmentToPolygon
* convert a line to an equivalent polygon.
* Useful when a line is plotted using a rectangular pen.
* In this case, the usual segment plot function cannot be used
*/
void ConvertSegmentToPolygon();
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/**
* Function DrawGbrPoly
* a helper function used to draw the polygon stored in m_PolyCorners
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*/
void DrawGbrPoly( EDA_RECT* aClipBox,
wxDC* aDC, EDA_COLOR_T aColor,
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const wxPoint& aOffset, bool aFilledShape );
/* divers */
int Shape() const { return m_Shape; }
void GetMsgPanelInfo( std::vector< MSG_PANEL_ITEM >& aList );
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wxString ShowGBRShape();
/**
* Function HitTest
* tests if the given wxPoint is within the bounds of this object.
* @param aRefPos a wxPoint to test
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* @return bool - true if a hit, else false
*/
bool HitTest( const wxPoint& aRefPos );
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/**
* Function HitTest (overloaded)
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* tests if the given wxRect intersect this object.
* For now, an ending point must be inside this rect.
* @param aRefArea a wxPoint to test
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* @return bool - true if a hit, else false
*/
bool HitTest( EDA_RECT& aRefArea );
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/**
* Function GetClass
* returns the class name.
* @return wxString
*/
wxString GetClass() const
{
return wxT( "GERBER_DRAW_ITEM" );
}
/**
* Function Save.
* currently: no nothing, but must be defined to meet requirements
* of the basic class
*/
bool Save( FILE* aFile ) const;
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/**
* Function UnLink
* detaches this object from its owner.
*/
void UnLink()
{
DLIST<GERBER_DRAW_ITEM>* list = (DLIST<GERBER_DRAW_ITEM>*) GetList();
wxASSERT( list );
if( list )
list->Remove( this );
}
/**
* Function DeleteStructure
* deletes this object after UnLink()ing it from its owner.
*/
void DeleteStructure()
{
UnLink();
delete this;
}
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#if defined(DEBUG)
void Show( int nestLevel, std::ostream& os ) const; // override
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#endif
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};
#endif /* CLASS_GERBER_DRAW_ITEM_H */