kicad/eeschema/symb_transforms_utils.cpp

108 lines
3.2 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Author Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2024 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "lib_symbol.h"
#include "sch_symbol.h"
#include "sch_pin.h"
struct ORIENT_MIRROR
{
int flag;
int n_rots;
int mirror_x;
int mirror_y;
};
// symbols_orientations_list is the list of possible orientation+mirror values
// like returned by SCH_SYMBOL::GetOrientation()
// Some transforms are equivalent, like rotation 180 + mirror X = mirror Y
static ORIENT_MIRROR symbols_orientations_list[] =
{
{ SYM_ORIENT_0, 0, 0, 0 },
{ SYM_ORIENT_90, 1, 0, 0 },
{ SYM_ORIENT_180, 2, 0, 0 },
{ SYM_ORIENT_270, 3, 0, 0 },
{ SYM_MIRROR_X + SYM_ORIENT_0, 0, 1, 0 },
{ SYM_MIRROR_X + SYM_ORIENT_90, 1, 1, 0 },
{ SYM_MIRROR_Y, 0, 0, 1 },
{ SYM_MIRROR_X + SYM_ORIENT_270, 3, 1, 0 },
{ SYM_MIRROR_Y + SYM_ORIENT_0, 0, 0, 1 },
{ SYM_MIRROR_Y + SYM_ORIENT_90, 1, 0, 1 },
{ SYM_MIRROR_Y + SYM_ORIENT_180, 2, 0, 1 },
{ SYM_MIRROR_Y + SYM_ORIENT_270, 3, 0, 1 }
};
void OrientAndMirrorSymbolItems( LIB_SYMBOL* aSymbol, int aOrientation )
{
ORIENT_MIRROR o = symbols_orientations_list[ 0 ];
for( ORIENT_MIRROR& i : symbols_orientations_list )
{
if( i.flag == aOrientation )
{
o = i;
break;
}
}
for( LIB_ITEM& item : aSymbol->GetDrawItems() )
{
for( int i = 0; i < o.n_rots; i++ )
item.Rotate( VECTOR2I( 0, 0 ), true );
if( o.mirror_x )
item.MirrorVertical( VECTOR2I( 0, 0 ) );
if( o.mirror_y )
item.MirrorHorizontal( VECTOR2I( 0, 0 ) );
}
}
// Rotate and/or mirror a SCH_PIN according to aOrientMirror.
// aOrientMirror is the orientation/mirror of the parent symbol.
// The modified pin orientation is the actual pin orientation/mirror
// when the parent symbol is drawn.
void RotateAndMirrorPin( LIB_PIN& aPin, int aOrientMirror )
{
ORIENT_MIRROR o = symbols_orientations_list[ 0 ];
for( ORIENT_MIRROR& i : symbols_orientations_list )
{
if( i.flag == aOrientMirror )
{
o = i;
break;
}
}
for( int i = 0; i < o.n_rots; i++ )
aPin.Rotate( VECTOR2I( 0, 0 ), true );
if( o.mirror_x )
aPin.MirrorVertical( VECTOR2I( 0, 0 ) );
if( o.mirror_y )
aPin.MirrorHorizontal( VECTOR2I( 0, 0 ) );
}