kicad/gerbview/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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*
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* Copyright (C) 1992-2016 <Jean-Pierre Charras>
* Copyright (C) 1992-2016 KiCad Developers, see AUTHORS.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 gerber_draw_item.h
*/
#ifndef GERBER_DRAW_ITEM_H
#define GERBER_DRAW_ITEM_H
#include <base_struct.h>
#include <dlist.h>
#include <layers_id_colors_and_visibility.h>
#include <gr_basic.h>
#include <gbr_netlist_metadata.h>
#include <dcode.h>
#include <geometry/shape_poly_set.h>
class GERBER_FILE_IMAGE;
class GBR_LAYOUT;
class D_CODE;
class MSG_PANEL_ITEM;
class GBR_DISPLAY_OPTIONS;
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namespace KIGFX
{
class VIEW;
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}
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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
SHAPE_POLY_SET m_Polygon; // Polygon shape data (G36 to G37 coordinates)
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// 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_FILE_IMAGE* m_GerberImageFile; /* Gerber file image source of 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 reading the file,
* so they are stored inside this item if there is no
* redundancy for these parameters
*/
private:
// 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
GBR_NETLIST_METADATA m_netAttributes; ///< the string given by a %TO attribute set in aperture
///< (dcode). Stored in each item, because %TO is
///< a dynamic object attribute
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public:
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GERBER_DRAW_ITEM( GERBER_FILE_IMAGE* aGerberparams );
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~GERBER_DRAW_ITEM();
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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void SetNetAttributes( const GBR_NETLIST_METADATA& aNetAttributes );
const GBR_NETLIST_METADATA& GetNetAttributes() const { return m_netAttributes; }
/**
* Function GetLayer
* returns the layer this item is on.
*/
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int GetLayer() const;
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bool GetLayerPolarity() const
{
return m_LayerNegative;
}
/**
* Returns the best size and orientation to display the D_Code on screen
* @param aSize is a reference to return the text size
* @param aPos is a reference to return the text position
* @param aOrientation is a reference to return the text orientation
* @return true if the parameters can be calculated, false for unknown D_Code
*/
bool GetTextD_CodePrms( int& aSize, wxPoint& aPos, double& aOrientation );
/**
* Returns the best size and orientation to display the D_Code in GAL
* aOrientation is returned in radians
*/
bool GetTextD_CodePrms( double& aSize, VECTOR2D& aPos, double& aOrientation );
/**
* 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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*/
const wxPoint GetPosition() const { return m_Start; }
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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;
VECTOR2I GetABPosition( const VECTOR2I& aXYPosition ) const
{
return VECTOR2I( GetABPosition( wxPoint( aXYPosition.x, aXYPosition.y ) ) );
}
/**
* 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 ) const;
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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() const;
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const EDA_RECT GetBoundingBox() const override;
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/* Display on screen: */
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void Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC,
GR_DRAWMODE aDrawMode, const wxPoint&aOffset, GBR_DISPLAY_OPTIONS* aDrawOptions );
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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, COLOR4D aColor,
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const wxPoint& aOffset, bool aFilledShape );
/* divers */
int Shape() const { return m_Shape; }
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void GetMsgPanelInfo( std::vector< MSG_PANEL_ITEM >& aList ) override;
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wxString ShowGBRShape() const;
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/**
* 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
*/
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bool HitTest( const wxPoint& aRefPos ) const override;
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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( const EDA_RECT& aRefArea ) const;
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/**
* Function GetClass
* returns the class name.
* @return wxString
*/
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wxString GetClass() const override
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{
return wxT( "GERBER_DRAW_ITEM" );
}
/**
* 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)
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void Show( int nestLevel, std::ostream& os ) const override;
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#endif
/// @copydoc VIEW_ITEM::ViewGetLayers()
virtual void ViewGetLayers( int aLayers[], int& aCount ) const override;
/// @copydoc VIEW_ITEM::ViewBBox()
virtual const BOX2I ViewBBox() const override;
/// @copydoc VIEW_ITEM::ViewGetLOD()
virtual unsigned int ViewGetLOD( int aLayer, KIGFX::VIEW* aView ) const override;
///> @copydoc EDA_ITEM::Visit()
SEARCH_RESULT Visit( INSPECTOR inspector, void* testData, const KICAD_T scanTypes[] ) override;
virtual wxString GetSelectMenuText() const override;
};
class GERBER_NEGATIVE_IMAGE_BACKDROP : public EDA_ITEM
{
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};
#endif /* GERBER_DRAW_ITEM_H */