KiCad PCB EDA Suite
marker_base.cpp
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1 /*
2  * This program source code file is part of KiCad, a free EDA CAD application.
3  *
4  * Copyright (C) 2018 Jean-Pierre Charras, jp.charras at wanadoo.fr
5  * Copyright (C) 2018-2020 KiCad Developers, see AUTHORS.txt for contributors.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
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12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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21  * or you may write to the Free Software Foundation, Inc.,
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23  */
24 
33 #include "fctsys.h"
34 #include "base_screen.h"
35 #include "macros.h"
36 #include "marker_base.h"
38 #include <render_settings.h>
40 
41 
42 /* The graphic shape of markers is a polygon.
43  * MarkerShapeCorners contains the coordinates of corners of the polygonal default shape
44  * they are arbitrary units to make coding shape easy.
45  * internal units coordinates are these values scaled by .m_ScalingFactor
46  */
47 static const VECTOR2I MarkerShapeCorners[] =
48 {
49  VECTOR2I( 0, 0 ),
50  VECTOR2I( 8, 1 ),
51  VECTOR2I( 4, 3 ),
52  VECTOR2I( 13, 8 ),
53  VECTOR2I( 9, 9 ),
54  VECTOR2I( 8, 13 ),
55  VECTOR2I( 3, 4 ),
56  VECTOR2I( 1, 8 ),
57  VECTOR2I( 0, 0 )
58 };
60 
61 
62 MARKER_BASE::MARKER_BASE( int aScalingFactor, RC_ITEM* aItem, TYPEMARKER aType ) :
63  m_markerType( aType ),
64  m_excluded( false ),
65  m_rcItem( aItem ),
66  m_scalingFactor( aScalingFactor )
67 {
68  const VECTOR2I* point_shape = MarkerShapeCorners;
69  wxPoint start( point_shape->x, point_shape->y );
70  wxPoint end = start;
71 
72  for( unsigned ii = 1; ii < CORNERS_COUNT; ii++ )
73  {
74  ++point_shape;
75  start.x = std::min( start.x, point_shape->x);
76  start.y = std::min( start.y, point_shape->y);
77  end.x = std::max( end.x, point_shape->x);
78  end.y = std::max( end.y, point_shape->y);
79  }
80 
83 }
84 
85 
87 {
88  delete m_rcItem;
89 }
90 
91 
92 bool MARKER_BASE::HitTestMarker( const wxPoint& aHitPosition, int aAccuracy ) const
93 {
95  bbox.Inflate( aAccuracy );
96 
97  // Fast hit test using boundary box. A finer test will be made if requested
98  bool hit = bbox.Contains( aHitPosition );
99 
100  if( hit ) // Fine test
101  {
102  SHAPE_LINE_CHAIN polygon;
103  ShapeToPolygon( polygon );
104  VECTOR2I rel_pos( aHitPosition - m_Pos );
105  hit = polygon.PointInside( rel_pos, aAccuracy );
106  }
107 
108  return hit;
109 }
110 
111 
113 {
114  for( const VECTOR2I& corner : MarkerShapeCorners )
115  aPolygon.Append( corner * MarkerScale() );
116 
117  // Be sure aPolygon is seen as a closed polyline:
118  aPolygon.SetClosed( true );
119 }
120 
121 
123 {
124  wxSize size_iu = m_shapeBoundingBox.GetSize();
125  wxPoint position_iu = m_shapeBoundingBox.GetPosition();
126  size_iu.x *= m_scalingFactor;
127  size_iu.y *= m_scalingFactor;
128  position_iu.x *= m_scalingFactor;
129  position_iu.y *= m_scalingFactor;
130  position_iu += m_Pos;
131 
132  return EDA_RECT( position_iu, size_iu );
133 }
134 
135 
136 void MARKER_BASE::PrintMarker( RENDER_SETTINGS* aSettings, const wxPoint& aOffset )
137 {
138  wxDC* DC = aSettings->GetPrintDC();
139 
140  // Build the marker shape polygon in internal units:
141  std::vector<wxPoint> shape;
142  shape.reserve( CORNERS_COUNT );
143 
144  for( const VECTOR2I& corner : MarkerShapeCorners )
145  shape.emplace_back( corner * MarkerScale() + m_Pos + aOffset );
146 
147  GRClosedPoly( nullptr, DC, CORNERS_COUNT, &shape[0], true, 0, getColor(), getColor() );
148 }
MARKER_BASE(int aScalingFactor, RC_ITEM *aItem, TYPEMARKER aType=MARKER_UNSPEC)
Definition: marker_base.cpp:62
RENDER_SETTINGS Contains all the knowledge about how graphical objects are drawn on any output surfac...
virtual ~MARKER_BASE()
Definition: marker_base.cpp:86
RC_ITEM is a holder for a DRC (in Pcbnew) or ERC (in Eeschema) error item.
Definition: rc_item.h:77
wxPoint m_Pos
position of the marker
Definition: marker_base.h:59
void SetOrigin(const wxPoint &pos)
Definition: eda_rect.h:131
virtual KIGFX::COLOR4D getColor() const =0
VECTOR2< int > VECTOR2I
Definition: vector2d.h:594
bool Contains(const wxPoint &aPoint) const
Function Contains.
void Append(int aX, int aY, bool aAllowDuplication=false)
Function Append()
This file contains miscellaneous commonly used macros and functions.
EDA_RECT GetBoundingBoxMarker() const
Function GetBoundingBoxMarker returns the orthogonal, bounding box of this object for display purpose...
RC_ITEM * m_rcItem
Definition: marker_base.h:64
void SetClosed(bool aClosed)
Function SetClosed()
bool HitTestMarker(const wxPoint &aHitPosition, int aAccuracy) const
Tests if the given wxPoint is within the bounds of this object.
Definition: marker_base.cpp:92
const unsigned CORNERS_COUNT
Definition: marker_base.cpp:59
void SetEnd(int x, int y)
Definition: eda_rect.h:192
EDA_RECT m_shapeBoundingBox
Definition: marker_base.h:68
void PrintMarker(RENDER_SETTINGS *aSettings, const wxPoint &aOffset)
Function PrintMarker Prints the shape is the polygon defined in m_Corners (array of wxPoints).
const wxPoint GetPosition() const
Definition: eda_rect.h:115
void ShapeToPolygon(SHAPE_LINE_CHAIN &aPolygon) const
Returns the shape polygon in internal units in a SHAPE_LINE_CHAIN the coordinates are relatives to th...
constexpr std::size_t arrayDim(T const (&)[N]) noexcept
Definition: macros.h:160
int m_scalingFactor
Definition: marker_base.h:66
int MarkerScale() const
The scaling factor to convert polygonal shape coordinates to internal units.
Definition: marker_base.h:80
SHAPE_LINE_CHAIN.
static const VECTOR2I MarkerShapeCorners[]
Definition: marker_base.cpp:47
EDA_RECT handles the component boundary box.
Definition: eda_rect.h:44
bool PointInside(const VECTOR2I &aPt, int aAccuracy=0, bool aUseBBoxCache=false) const
Function PointInside()
BASE_SCREEN class implementation.
void GRClosedPoly(EDA_RECT *ClipBox, wxDC *DC, int n, const wxPoint *Points, bool Fill, COLOR4D Color, COLOR4D BgColor)
Function GRClosedPoly draws a closed polygon onto the drawing context aDC and optionally fills and/or...
Definition: gr_basic.cpp:554
EDA_RECT & Inflate(wxCoord dx, wxCoord dy)
Function Inflate inflates the rectangle horizontally by dx and vertically by dy.
const wxSize GetSize() const
Definition: eda_rect.h:103