kicad/eeschema/sch_bitmap.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2011 jean-pierre.charras
* Copyright (C) 2011 KiCad Developers, see change_log.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
*/
/**
* @file sch_bitmap.cpp
*/
#include <fctsys.h>
#include <gr_basic.h>
#include <macros.h>
#include <class_drawpanel.h>
#include <trigo.h>
#include <richio.h>
#include <plot_common.h>
#include <wxEeschemaStruct.h>
#include <general.h>
#include <sch_bitmap.h>
#include <protos.h>
#include <wx/mstream.h>
/*
* class SCH_BITMAP
* This class handle a bitmap image that can be inserted in a schematic.
*/
SCH_BITMAP::SCH_BITMAP( const wxPoint& pos ) :
SCH_ITEM( NULL, SCH_BITMAP_T )
{
m_Pos = pos;
m_Layer = LAYER_NOTES; // used only to draw/plot a rectangle,
// when a bitmap cannot be drawn or plotted
m_Image = new BITMAP_BASE();
}
SCH_BITMAP::SCH_BITMAP( const SCH_BITMAP& aSchBitmap ) :
SCH_ITEM( aSchBitmap )
{
m_Pos = aSchBitmap.m_Pos;
m_Layer = aSchBitmap.m_Layer;
m_Image = new BITMAP_BASE( *aSchBitmap.m_Image );
}
SCH_ITEM& SCH_BITMAP::operator=( const SCH_ITEM& aItem )
{
wxCHECK_MSG( Type() == aItem.Type(), *this,
wxT( "Cannot assign object type " ) + aItem.GetClass() + wxT( " to type " ) +
GetClass() );
if( &aItem != this )
{
SCH_ITEM::operator=( aItem );
SCH_BITMAP* bitmap = (SCH_BITMAP*) &aItem;
delete m_Image;
m_Image = new BITMAP_BASE( *bitmap->m_Image );
m_Pos = bitmap->m_Pos;
}
return *this;
}
bool SCH_BITMAP::ReadImageFile( const wxString& aFullFilename )
{
return m_Image->ReadImageFile( aFullFilename );
}
bool SCH_BITMAP::Save( FILE* aFile ) const
{
if( fprintf( aFile, "$Bitmap\n" ) == EOF )
return false;
if( fprintf( aFile, "Pos %-4d %-4d\n", m_Pos.x, m_Pos.y ) == EOF )
return false;
if( fprintf( aFile, "Scale %f\n", m_Image->m_Scale ) == EOF )
return false;
if( fprintf( aFile, "Data\n" ) == EOF )
return false;
if( !m_Image->SaveData( aFile ) )
return false;
if( fprintf( aFile, "\nEndData\n" ) == EOF )
return false;
if( fprintf( aFile, "$EndBitmap\n" ) == EOF )
return false;
return true;
}
EDA_ITEM* SCH_BITMAP::doClone() const
{
return new SCH_BITMAP( *this );
}
void SCH_BITMAP::SwapData( SCH_ITEM* aItem )
{
wxCHECK_RET( aItem->Type() == SCH_BITMAP_T,
wxString::Format( wxT( "SCH_BITMAP object cannot swap data with %s object." ),
GetChars( aItem->GetClass() ) ) );
SCH_BITMAP* item = (SCH_BITMAP*) aItem;
EXCHG( m_Pos, item->m_Pos );
EXCHG( m_Image, item->m_Image );
}
bool SCH_BITMAP::Load( LINE_READER& aLine, wxString& aErrorMsg )
{
char* line = aLine.Line();
if( strnicmp( line, "$Bitmap", 7 ) != 0 )
{
aErrorMsg.Printf( wxT( "Eeschema file bitmap image load error at line %d, aborted" ),
aLine.LineNumber() );
aErrorMsg << wxT( "\n" ) << FROM_UTF8( (char*) aLine );
return false;
}
for( ; ; )
{
if( !aLine.ReadLine() )
return false;
line = aLine.Line();
if( strnicmp( line, "Pos", 3 ) == 0 )
{
sscanf( line + 3, "%d %d", &m_Pos.x, &m_Pos.y );
continue;
}
if( strnicmp( line, "Scale", 5 ) == 0 )
{
sscanf( line + 5, "%lf", &m_Image->m_Scale );
continue;
}
if( strnicmp( line, "Data", 4 ) == 0 )
{
m_Image->LoadData( aLine, aErrorMsg );
}
if( strnicmp( line, "$EndBitmap", 4 ) == 0 )
break;
}
return true;
}
EDA_RECT SCH_BITMAP::GetBoundingBox() const
{
EDA_RECT rect = m_Image->GetBoundingBox();
rect.Move( m_Pos );
return rect;
}
void SCH_BITMAP::Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aOffset,
int aDrawMode, int aColor )
{
wxPoint pos = m_Pos + aOffset;
GRSetDrawMode( aDC, aDrawMode );
if( aColor < 0 ) // Use normal drawing function
{
m_Image->DrawBitmap( aPanel, aDC, pos );
}
else // draws bounding box only (used to move items)
{
// To draw the rect, pos is the upper left corner position
wxSize size = m_Image->GetSize();
pos.x -= size.x / 2;
pos.y -= size.y / 2;
GRRect( aPanel->GetClipBox(), aDC, pos.x, pos.y,
pos.x + size.x, pos.y + size.y, 0, aColor );
}
}
/* Function GetSize
* returns the actual size (in user units, not in pixels) of the image
*/
wxSize SCH_BITMAP::GetSize() const
{
return m_Image->GetSize();
}
/*
* Mirror image relative to a horizontal X axis )
*/
void SCH_BITMAP::Mirror_X( int aXaxis_position )
{
m_Pos.y -= aXaxis_position;
NEGATE( m_Pos.y );
m_Pos.y += aXaxis_position;
m_Image->Mirror( true );
}
/*
* Mirror image relative to a vertical Y axis
*/
void SCH_BITMAP::Mirror_Y( int aYaxis_position )
{
m_Pos.x -= aYaxis_position;
NEGATE( m_Pos.x );
m_Pos.x += aYaxis_position;
m_Image->Mirror( false );
}
void SCH_BITMAP::Rotate( wxPoint rotationPoint )
{
RotatePoint( &m_Pos, rotationPoint, 900 );
m_Image->Rotate( false );
}
bool SCH_BITMAP::IsSelectStateChanged( const wxRect& aRect )
{
bool previousState = IsSelected();
if( aRect.Contains( m_Pos ) )
m_Flags |= SELECTED;
else
m_Flags &= ~SELECTED;
return previousState != IsSelected();
}
#if defined(DEBUG)
void SCH_BITMAP::Show( int nestLevel, std::ostream& os ) const
{
// XML output:
wxString s = GetClass();
NestedSpace( nestLevel, os ) << '<' << s.Lower().mb_str() << m_Pos << "/>\n";
}
#endif
bool SCH_BITMAP::doHitTest( const wxPoint& aPoint, int aAccuracy ) const
{
EDA_RECT rect = GetBoundingBox();
rect.Inflate( aAccuracy );
return rect.Contains( aPoint );
}
bool SCH_BITMAP::doHitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy ) const
{
EDA_RECT rect = aRect;
rect.Inflate( aAccuracy );
if( aContained )
return rect.Contains( GetBoundingBox() );
return rect.Intersects( GetBoundingBox() );
}
bool SCH_BITMAP::doIsConnected( const wxPoint& aPosition ) const
{
return m_Pos == aPosition;
}
void SCH_BITMAP::doPlot( PLOTTER* aPlotter )
{
m_Image->PlotImage( aPlotter, m_Pos, ReturnLayerColor( GetLayer() ), GetPenSize() );
}