141 lines
4.6 KiB
C++
141 lines
4.6 KiB
C++
/*
|
|
* This program source code file is part of KiCad, a free EDA CAD application.
|
|
*
|
|
* Copyright (C) 2017 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
|
|
*/
|
|
|
|
#include <preview_items/arc_assistant.h>
|
|
|
|
#include <preview_items/draw_context.h>
|
|
#include <preview_items/preview_utils.h>
|
|
|
|
#include <gal/graphics_abstraction_layer.h>
|
|
#include <view/view.h>
|
|
|
|
#include <base_units.h>
|
|
#include <trigo.h>
|
|
|
|
using namespace KIGFX::PREVIEW;
|
|
|
|
ARC_ASSISTANT::ARC_ASSISTANT( const ARC_GEOM_MANAGER& aManager, EDA_UNITS aUnits ) :
|
|
EDA_ITEM( NOT_USED ),
|
|
m_constructMan( aManager ),
|
|
m_units( aUnits )
|
|
{
|
|
}
|
|
|
|
|
|
const BOX2I ARC_ASSISTANT::ViewBBox() const
|
|
{
|
|
BOX2I tmp;
|
|
|
|
// no bounding box when no graphic shown
|
|
if( m_constructMan.IsReset() )
|
|
return tmp;
|
|
|
|
// this is an edit-time artefact; no reason to try and be smart with the bounding box
|
|
// (besides, we can't tell the text extents without a view to know what the scale is)
|
|
tmp.SetMaximum();
|
|
return tmp;
|
|
}
|
|
|
|
|
|
/**
|
|
* Get deci-degrees from radians, normalised to +/- 360.
|
|
*
|
|
* The normalisation is such that a negative angle will stay
|
|
* negative.
|
|
*/
|
|
double getNormDeciDegFromRad( double aRadians )
|
|
{
|
|
double degs = RAD2DECIDEG( aRadians );
|
|
|
|
// normalise to +/- 360
|
|
while( degs < -3600.0 )
|
|
degs += 3600.0;
|
|
|
|
while( degs > 3600.0 )
|
|
degs -= 3600.0;
|
|
|
|
return degs;
|
|
}
|
|
|
|
|
|
void ARC_ASSISTANT::ViewDraw( int aLayer, KIGFX::VIEW* aView ) const
|
|
{
|
|
KIGFX::GAL& gal = *aView->GetGAL();
|
|
|
|
// not in a position to draw anything
|
|
if( m_constructMan.IsReset() )
|
|
return;
|
|
|
|
gal.ResetTextAttributes();
|
|
|
|
const VECTOR2I origin = m_constructMan.GetOrigin();
|
|
|
|
KIGFX::PREVIEW::DRAW_CONTEXT preview_ctx( *aView );
|
|
|
|
// draw first radius line
|
|
bool dimFirstLine = m_constructMan.GetStep() > ARC_GEOM_MANAGER::SET_START;
|
|
|
|
preview_ctx.DrawLineWithAngleHighlight( origin, m_constructMan.GetStartRadiusEnd(),
|
|
dimFirstLine );
|
|
|
|
std::vector<wxString> cursorStrings;
|
|
|
|
if( m_constructMan.GetStep() == ARC_GEOM_MANAGER::SET_START )
|
|
{
|
|
// haven't started the angle selection phase yet
|
|
|
|
double initAngle = m_constructMan.GetStartAngle();
|
|
|
|
// draw the radius guide circle
|
|
preview_ctx.DrawCircle( origin, m_constructMan.GetRadius(), true );
|
|
|
|
double degs = getNormDeciDegFromRad( initAngle );
|
|
|
|
cursorStrings.push_back( DimensionLabel( "r", m_constructMan.GetRadius(), m_units ) );
|
|
cursorStrings.push_back( DimensionLabel( wxString::FromUTF8( "θ" ), degs,
|
|
EDA_UNITS::DEGREES ) );
|
|
}
|
|
else
|
|
{
|
|
preview_ctx.DrawLineWithAngleHighlight( origin, m_constructMan.GetEndRadiusEnd(), false );
|
|
|
|
double start = m_constructMan.GetStartAngle();
|
|
double subtended = m_constructMan.GetSubtended();
|
|
double subtendedDeg = getNormDeciDegFromRad( subtended );
|
|
double endAngleDeg = getNormDeciDegFromRad( start + subtended );
|
|
|
|
// draw dimmed extender line to cursor
|
|
preview_ctx.DrawLineWithAngleHighlight( origin, m_constructMan.GetLastPoint(), true );
|
|
|
|
cursorStrings.push_back( DimensionLabel( wxString::FromUTF8( "Δθ" ), subtendedDeg,
|
|
EDA_UNITS::DEGREES ) );
|
|
cursorStrings.push_back( DimensionLabel( wxString::FromUTF8( "θ" ), endAngleDeg,
|
|
EDA_UNITS::DEGREES ) );
|
|
}
|
|
|
|
// place the text next to cursor, on opposite side from radius
|
|
DrawTextNextToCursor( aView, m_constructMan.GetLastPoint(),
|
|
origin - m_constructMan.GetLastPoint(), cursorStrings,
|
|
aLayer == LAYER_SELECT_OVERLAY );
|
|
}
|