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0b2d4d4879
Recommendation is to avoid using the year nomenclature as this information is already encoded in the git repo. Avoids needing to repeatly update. Also updates AUTHORS.txt from current repo with contributor names
437 lines
12 KiB
C++
437 lines
12 KiB
C++
/*
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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) 2015 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 2011 Wayne Stambaugh <stambaughw@gmail.com>
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* Copyright The KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <gr_basic.h>
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#include <trigo.h>
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#include <eda_item.h>
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#include <wx/graphics.h>
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#include <math/vector2wx.h>
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#include <algorithm>
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static const bool FILLED = true;
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static const bool NOT_FILLED = false;
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// For draw mode = XOR GR_XOR or GR_NXOR by background color
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GR_DRAWMODE g_XorMode = GR_NXOR;
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/* These functions are used by corresponding functions
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* ( GRSCircle is called by GRCircle for instance) after mapping coordinates
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* from user units to screen units(pixels coordinates)
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*/
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static void GRSRect( wxDC* aDC, int x1, int y1, int x2, int y2, int aWidth, const COLOR4D& aColor );
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/**/
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static int GRLastMoveToX, GRLastMoveToY;
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static bool s_ForceBlackPen; /* if true: draws in black instead of
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* color for printing. */
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static COLOR4D s_DC_lastbrushcolor( 0, 0, 0, 0 );
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static bool s_DC_lastbrushfill = false;
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static wxDC* s_DC_lastDC = nullptr;
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static void vector2IwxDrawPolygon( wxDC* aDC, const VECTOR2I* Points, int n )
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{
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wxPoint* points = new wxPoint[n];
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for( int i = 0; i < n; i++ )
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points[i] = wxPoint( Points[i].x, Points[i].y );
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aDC->DrawPolygon( n, points );
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delete[] points;
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}
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static void winDrawLine( wxDC* DC, int x1, int y1, int x2, int y2, int width )
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{
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GRLastMoveToX = x2;
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GRLastMoveToY = y2;
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DC->DrawLine( x1, y1, x2, y2 );
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}
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void GRResetPenAndBrush( wxDC* DC )
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{
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GRSetBrush( DC, BLACK ); // Force no fill
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s_DC_lastbrushcolor = COLOR4D::UNSPECIFIED;
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s_DC_lastDC = nullptr;
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}
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void GRSetColorPen( wxDC* DC, const COLOR4D& Color, int width, wxPenStyle style )
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{
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COLOR4D color = Color;
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wxDash dots[2] = { 1, 3 };
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// Under OSX and while printing when wxPen is set to 0, renderer follows the request drawing
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// nothing & in the bitmap world the minimum is enough to light a pixel, in vectorial one not
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if( width <= 1 && DC->GetBrush().GetStyle() != wxBRUSHSTYLE_SOLID )
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width = DC->DeviceToLogicalXRel( 1 );
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if( s_ForceBlackPen )
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color = COLOR4D::BLACK;
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// wxWidgets will enforce a minimum pen width when printing, so we have to make the pen
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// transparent when we don't want the object stroked.
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if( width == 0 )
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{
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color = COLOR4D::UNSPECIFIED;
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style = wxPENSTYLE_TRANSPARENT;
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}
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const wxPen& curr_pen = DC->GetPen();
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if( !curr_pen.IsOk() || curr_pen.GetColour() != color.ToColour()
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|| curr_pen.GetWidth() != width || curr_pen.GetStyle() != style )
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{
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wxPen pen;
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pen.SetColour( color.ToColour() );
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if( style == wxPENSTYLE_DOT )
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{
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style = wxPENSTYLE_USER_DASH;
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pen.SetDashes( 2, dots );
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}
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pen.SetWidth( width );
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pen.SetStyle( style );
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DC->SetPen( pen );
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}
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else
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{
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// Should be not needed, but on Linux, in printing process
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// the curr pen settings needs to be sometimes re-initialized
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// Clearly, this is due to a bug, related to SetBrush(),
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// but we have to live with it, at least on wxWidgets 3.0
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DC->SetPen( curr_pen );
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}
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}
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void GRSetBrush( wxDC* DC, const COLOR4D& Color, bool fill )
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{
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COLOR4D color = Color;
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if( s_ForceBlackPen )
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color = COLOR4D::BLACK;
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if( s_DC_lastbrushcolor != color || s_DC_lastbrushfill != fill || s_DC_lastDC != DC )
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{
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wxBrush brush;
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brush.SetColour( color.ToColour() );
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if( fill )
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brush.SetStyle( wxBRUSHSTYLE_SOLID );
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else
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brush.SetStyle( wxBRUSHSTYLE_TRANSPARENT );
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DC->SetBrush( brush );
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s_DC_lastbrushcolor = color;
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s_DC_lastbrushfill = fill;
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s_DC_lastDC = DC;
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}
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}
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void GRForceBlackPen( bool flagforce )
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{
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s_ForceBlackPen = flagforce;
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}
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bool GetGRForceBlackPenState( void )
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{
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return s_ForceBlackPen;
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}
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void GRLine( wxDC* DC, int x1, int y1, int x2, int y2, int width, const COLOR4D& Color,
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wxPenStyle aStyle)
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{
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GRSetColorPen( DC, Color, width, aStyle );
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winDrawLine( DC, x1, y1, x2, y2, width );
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GRLastMoveToX = x2;
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GRLastMoveToY = y2;
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}
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void GRLine( wxDC* aDC, const VECTOR2I& aStart, const VECTOR2I& aEnd, int aWidth,
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const COLOR4D& aColor, wxPenStyle aStyle )
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{
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GRLine( aDC, aStart.x, aStart.y, aEnd.x, aEnd.y, aWidth, aColor, aStyle );
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}
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void GRMoveTo( int x, int y )
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{
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GRLastMoveToX = x;
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GRLastMoveToY = y;
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}
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void GRLineTo( wxDC* DC, int x, int y, int width, const COLOR4D& Color )
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{
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GRLine( DC, GRLastMoveToX, GRLastMoveToY, x, y, width, Color );
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}
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void GRCSegm( wxDC* DC, const VECTOR2I& A, const VECTOR2I& B, int width, const COLOR4D& Color )
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{
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GRLastMoveToX = B.x;
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GRLastMoveToY = B.y;
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if( width <= 2 ) /* single line or 2 pixels */
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{
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GRSetColorPen( DC, Color, width );
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DC->DrawLine( A.x, A.y, B.x, B.y );
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return;
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}
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GRSetBrush( DC, Color, NOT_FILLED );
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GRSetColorPen( DC, Color, 0 );
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int radius = ( width + 1 ) >> 1;
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int dx = B.x - A.x;
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int dy = B.y - A.y;
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EDA_ANGLE angle( VECTOR2I( dx, dy ) );
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angle = -angle;
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VECTOR2I start;
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VECTOR2I end;
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VECTOR2I org( A.x, A.y );
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int len = (int) hypot( dx, dy );
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// We know if the DC is mirrored, to draw arcs
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int slx = DC->DeviceToLogicalX( 1 ) - DC->DeviceToLogicalX( 0 );
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int sly = DC->DeviceToLogicalY( 1 ) - DC->DeviceToLogicalY( 0 );
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bool mirrored = ( slx > 0 && sly < 0 ) || ( slx < 0 && sly > 0 );
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// first edge
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start.x = 0;
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start.y = radius;
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end.x = len;
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end.y = radius;
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RotatePoint( start, angle );
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RotatePoint( end, angle );
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start += org;
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end += org;
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DC->DrawLine( ToWxPoint( start ), ToWxPoint( end ) );
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// first rounded end
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end.x = 0;
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end.y = -radius;
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RotatePoint( end, angle );
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end += org;
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if( !mirrored )
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DC->DrawArc( ToWxPoint(end ), ToWxPoint(start ), ToWxPoint(org ) );
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else
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DC->DrawArc( ToWxPoint(start ), ToWxPoint(end ), ToWxPoint(org ) );
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// second edge
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start.x = len;
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start.y = -radius;
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RotatePoint( start, angle );
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start += org;
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DC->DrawLine( ToWxPoint( start ), ToWxPoint( end ) );
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// second rounded end
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end.x = len;
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end.y = radius;
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RotatePoint( end, angle);
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end += org;
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if( !mirrored )
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DC->DrawArc( end.x, end.y, start.x, start.y, B.x, B.y );
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else
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DC->DrawArc( start.x, start.y, end.x, end.y, B.x, B.y );
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}
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void GRFilledSegment( wxDC* aDC, const VECTOR2I& aStart, const VECTOR2I& aEnd, int aWidth,
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const COLOR4D& aColor )
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{
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GRSetColorPen( aDC, aColor, aWidth );
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winDrawLine( aDC, aStart.x, aStart.y, aEnd.x, aEnd.y, aWidth );
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}
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/**
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* Draw a new polyline and fill it if Fill, in screen space.
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*/
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static void GRSPoly( wxDC* DC, int n, const VECTOR2I* Points, bool Fill, int width,
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const COLOR4D& Color, const COLOR4D& BgColor )
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{
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if( Fill && ( n > 2 ) )
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{
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GRSetBrush( DC, BgColor, FILLED );
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GRSetColorPen( DC, Color, width );
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vector2IwxDrawPolygon( DC, Points, n );
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}
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else
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{
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GRMoveTo( Points[0].x, Points[0].y );
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for( int i = 1; i < n; ++i )
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GRLineTo( DC, Points[i].x, Points[i].y, width, Color );
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}
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}
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/**
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* Draw a new closed polyline and fill it if Fill, in screen space.
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*/
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static void GRSClosedPoly( wxDC* aDC, int aPointCount, const VECTOR2I* aPoints, bool aFill,
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int aWidth, const COLOR4D& aColor, const COLOR4D& aBgColor )
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{
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if( aFill && ( aPointCount > 2 ) )
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{
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GRLastMoveToX = aPoints[aPointCount - 1].x;
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GRLastMoveToY = aPoints[aPointCount - 1].y;
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GRSetBrush( aDC, aBgColor, FILLED );
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GRSetColorPen( aDC, aColor, aWidth );
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vector2IwxDrawPolygon( aDC, aPoints, aPointCount );
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}
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else
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{
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GRMoveTo( aPoints[0].x, aPoints[0].y );
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for( int i = 1; i < aPointCount; ++i )
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GRLineTo( aDC, aPoints[i].x, aPoints[i].y, aWidth, aColor );
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int lastpt = aPointCount - 1;
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// Close the polygon
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if( aPoints[lastpt] != aPoints[0] )
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GRLineTo( aDC, aPoints[0].x, aPoints[0].y, aWidth, aColor );
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}
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}
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/**
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* Draw a new polyline and fill it if Fill, in drawing space.
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*/
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void GRPoly( wxDC* DC, int n, const VECTOR2I* Points, bool Fill, int width, const COLOR4D& Color,
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const COLOR4D& BgColor )
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{
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GRSPoly( DC, n, Points, Fill, width, Color, BgColor );
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}
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/**
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* Draw a closed polyline and fill it if Fill, in object space.
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*/
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void GRClosedPoly( wxDC* DC, int n, const VECTOR2I* Points, bool Fill, const COLOR4D& Color )
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{
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GRSClosedPoly( DC, n, Points, Fill, 0, Color, Color );
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}
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void GRCircle( wxDC* aDC, const VECTOR2I& aPos, int aRadius, int aWidth, const COLOR4D& aColor )
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{
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GRSetBrush( aDC, aColor, NOT_FILLED );
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GRSetColorPen( aDC, aColor, aWidth );
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// Draw two arcs here to make a circle. Unfortunately, the printerDC doesn't handle
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// transparent brushes when used with circles. It does work for for arcs, however
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aDC->DrawArc(aPos.x + aRadius, aPos.y, aPos.x - aRadius, aPos.y, aPos.x, aPos.y );
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aDC->DrawArc(aPos.x - aRadius, aPos.y, aPos.x + aRadius, aPos.y, aPos.x, aPos.y );
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}
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void GRFilledCircle( wxDC* aDC, const VECTOR2I& aPos, int aRadius, int aWidth,
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const COLOR4D& aStrokeColor, const COLOR4D& aFillColor )
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{
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GRSetBrush( aDC, aFillColor, FILLED );
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GRSetColorPen( aDC, aStrokeColor, aWidth );
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aDC->DrawEllipse( aPos.x - aRadius, aPos.y - aRadius, 2 * aRadius, 2 * aRadius );
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}
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void GRArc( wxDC* aDC, const VECTOR2I& aStart, const VECTOR2I& aEnd, const VECTOR2I& aCenter,
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int aWidth, const COLOR4D& aColor )
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{
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GRSetBrush( aDC, aColor );
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GRSetColorPen( aDC, aColor, aWidth );
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aDC->DrawArc( aStart.x, aStart.y, aEnd.x, aEnd.y, aCenter.x, aCenter.y );
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}
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void GRFilledArc( wxDC* DC, const VECTOR2I& aStart, const VECTOR2I& aEnd, const VECTOR2I& aCenter,
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int width, const COLOR4D& Color, const COLOR4D& BgColor )
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{
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GRSetBrush( DC, BgColor, FILLED );
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GRSetColorPen( DC, Color, width );
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DC->DrawArc( aStart.x, aStart.y, aEnd.x, aEnd.y, aCenter.x, aCenter.y );
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}
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void GRRect( wxDC* DC, const VECTOR2I& aStart, const VECTOR2I& aEnd, int aWidth,
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const COLOR4D& aColor )
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{
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GRSRect( DC, aStart.x, aStart.y, aEnd.x, aEnd.y, aWidth, aColor );
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}
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void GRFilledRect( wxDC* DC, const VECTOR2I& aStart, const VECTOR2I& aEnd, int aWidth,
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const COLOR4D& aColor, const COLOR4D& aBgColor )
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{
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GRSFilledRect( DC, aStart.x, aStart.y, aEnd.x, aEnd.y, aWidth, aColor, aBgColor );
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}
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void GRSRect( wxDC* aDC, int x1, int y1, int x2, int y2, int aWidth, const COLOR4D& aColor )
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{
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VECTOR2I points[5];
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points[0] = VECTOR2I( x1, y1 );
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points[1] = VECTOR2I( x1, y2 );
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points[2] = VECTOR2I( x2, y2 );
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points[3] = VECTOR2I( x2, y1 );
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points[4] = points[0];
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GRSClosedPoly( aDC, 5, points, NOT_FILLED, aWidth, aColor, aColor );
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}
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void GRSFilledRect( wxDC* aDC, int x1, int y1, int x2, int y2, int aWidth, const COLOR4D& aColor,
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const COLOR4D& aBgColor )
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{
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VECTOR2I points[5];
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points[0] = VECTOR2I( x1, y1 );
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points[1] = VECTOR2I( x1, y2 );
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points[2] = VECTOR2I( x2, y2 );
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points[3] = VECTOR2I( x2, y1 );
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points[4] = points[0];
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GRSetBrush( aDC, aBgColor, FILLED );
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GRSetColorPen( aDC, aBgColor, aWidth );
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vector2IwxDrawPolygon( aDC, points, 5 );
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}
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