ds_data_item.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 1992-2013 Jean-Pierre Charras <jp.charras at wanadoo.fr>.
 * Copyright (C) 1992-2023 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
 */
 
 
/*
 * the class DS_DATA_ITEM (and derived) defines
 * a basic shape of a drawing sheet (frame references and title block)
 * Basic shapes are line, rect and texts
 * the DS_DATA_ITEM coordinates units is the mm, and are relative to
 * one of 4 page corners.
 *
 * These items cannot be drawn or plot "as this". they should be converted
 * to a "draw list" (DS_DRAW_ITEM_BASE and derived items)
 
 * The list of these items is stored in a DS_DATA_MODEL instance.
 *
 * When building the draw list:
 * the DS_DATA_MODEL is used to create a DS_DRAW_ITEM_LIST
 * coordinates are converted to draw/plot coordinates.
 * texts are expanded if they contain format symbols.
 * Items with m_RepeatCount > 1 are created m_RepeatCount times
 *
 * the DS_DATA_MODEL is created only once.
 * the DS_DRAW_ITEM_LIST is created each time the drawing sheet is plotted/drawn
 *
 * the DS_DATA_MODEL instance is created from a S expression which
 * describes the drawing sheet (can be the default drawing sheet or a custom file).
 */
 
#include <gr_text.h>
#include <math/util.h> // for KiROUND
#include <view/view.h>
#include <title_block.h>
#include <drawing_sheet/ds_data_model.h>
#include <drawing_sheet/ds_data_item.h>
#include <drawing_sheet/ds_draw_item.h>
#include <drawing_sheet/ds_painter.h>
#include <trigo.h>
 
using KIGFX::COLOR4D;
 
 
DS_DATA_ITEM::DS_DATA_ITEM( DS_ITEM_TYPE aType )
{
 m_pageOption = ALL_PAGES;
 m_type = aType;
 m_RepeatCount = 1;
 m_IncrementLabel = 1;
 m_LineWidth = 0;
}
 
 
DS_DATA_ITEM::~DS_DATA_ITEM()
{
 for( DS_DRAW_ITEM_BASE* item : m_drawItems )
 delete item;
}
 
 
void DS_DATA_ITEM::SyncDrawItems( DS_DRAW_ITEM_LIST* aCollector, KIGFX::VIEW* aView )
{
 int pensize = GetPenSizeIU();
 
 if( pensize == 0 )
 pensize = aCollector ? aCollector->GetDefaultPenSize() : 0;
 
 std::map<size_t, EDA_ITEM_FLAGS> itemFlags;
 DS_DRAW_ITEM_BASE* item = nullptr;
 
 for( size_t i = 0; i < m_drawItems.size(); ++i )
 {
 item = m_drawItems[ i ];
 itemFlags[ i ] = item->GetFlags();
 
 if( aCollector )
 aCollector->Remove( item );
 
 if( aView )
 aView->Remove( item );
 
 delete item;
 }
 
 m_drawItems.clear();
 
 for( int j = 0; j < m_RepeatCount; j++ )
 {
 if( j > 0 && !IsInsidePage( j ) )
 continue;
 
 if( m_type == DS_SEGMENT )
 item = new DS_DRAW_ITEM_LINE( this, j, GetStartPosIU( j ), GetEndPosIU( j ), pensize );
 else if( m_type == DS_RECT )
 item = new DS_DRAW_ITEM_RECT( this, j, GetStartPosIU( j ), GetEndPosIU( j ), pensize );
 else
 {
 wxFAIL_MSG( wxS( "Unknown drawing sheet item type" ) );
 continue;
 }
 
 item->SetFlags( itemFlags[ j ] );
 m_drawItems.push_back( item );
 
 if( aCollector )
 aCollector->Append( item );
 
 if( aView )
 aView->Add( item );
 }
}
 
 
int DS_DATA_ITEM::GetPenSizeIU()
{
 DS_DATA_MODEL& model = DS_DATA_MODEL::GetTheInstance();
 
 if( m_LineWidth != 0 )
 return KiROUND( m_LineWidth * model.m_WSunits2Iu );
 else
 return KiROUND( model.m_DefaultLineWidth * model.m_WSunits2Iu );
}
 
 
void DS_DATA_ITEM::MoveToIU( const VECTOR2I& aPosition )
{
 VECTOR2D pos_mm;
 pos_mm.x = aPosition.x / DS_DATA_MODEL::GetTheInstance().m_WSunits2Iu;
 pos_mm.y = aPosition.y / DS_DATA_MODEL::GetTheInstance().m_WSunits2Iu;
 
 MoveTo( pos_mm );
}
 
 
void DS_DATA_ITEM::MoveTo( const VECTOR2D& aPosition )
{
 VECTOR2D vector = aPosition - GetStartPos();
 VECTOR2D endpos = vector + GetEndPos();
 
 MoveStartPointTo( aPosition );
 MoveEndPointTo( endpos );
 
 for( DS_DRAW_ITEM_BASE* drawItem : m_drawItems )
 {
 drawItem->SetPosition( GetStartPosIU( drawItem->GetIndexInPeer() ) );
 drawItem->SetEnd( GetEndPosIU( drawItem->GetIndexInPeer() ) );
 }
}
 
 
void DS_DATA_ITEM::MoveStartPointTo( const VECTOR2D& aPosition )
{
 DS_DATA_MODEL& model = DS_DATA_MODEL::GetTheInstance();
 VECTOR2D position;
 
 // Calculate the position of the starting point
 // relative to the reference corner
 // aPosition is the position relative to the right top paper corner
 switch( m_Pos.m_Anchor )
 {
 case RB_CORNER:
 position = model.m_RB_Corner - aPosition;
 break;
 
 case RT_CORNER:
 position.x = model.m_RB_Corner.x - aPosition.x;
 position.y = aPosition.y - model.m_LT_Corner.y;
 break;
 
 case LB_CORNER:
 position.x = aPosition.x - model.m_LT_Corner.x;
 position.y = model.m_RB_Corner.y - aPosition.y;
 break;
 
 case LT_CORNER:
 position = aPosition - model.m_LT_Corner;
 break;
 }
 
 m_Pos.m_Pos = position;
}
 
 
void DS_DATA_ITEM::MoveStartPointToIU( const VECTOR2I& aPosition )
{
 VECTOR2D pos_mm( aPosition.x / DS_DATA_MODEL::GetTheInstance().m_WSunits2Iu,
 aPosition.y / DS_DATA_MODEL::GetTheInstance().m_WSunits2Iu );
 
 MoveStartPointTo( pos_mm );
}
 
 
void DS_DATA_ITEM::MoveEndPointTo( const VECTOR2D& aPosition )
{
 DS_DATA_MODEL& model = DS_DATA_MODEL::GetTheInstance();
 VECTOR2D position;
 
 // Calculate the position of the starting point
 // relative to the reference corner
 // aPosition is the position relative to the right top paper corner
 switch( m_End.m_Anchor )
 {
 case RB_CORNER:
 position = model.m_RB_Corner - aPosition;
 break;
 
 case RT_CORNER:
 position.x = model.m_RB_Corner.x - aPosition.x;
 position.y = aPosition.y - model.m_LT_Corner.y;
 break;
 
 case LB_CORNER:
 position.x = aPosition.x - model.m_LT_Corner.x;
 position.y = model.m_RB_Corner.y - aPosition.y;
 break;
 
 case LT_CORNER:
 position = aPosition - model.m_LT_Corner;
 break;
 }
 
 // Modify m_End only for items having 2 coordinates
 switch( GetType() )
 {
 case DS_SEGMENT:
 case DS_RECT:
 m_End.m_Pos = position;
 break;
 
 default:
 break;
 }
}
 
 
void DS_DATA_ITEM::MoveEndPointToIU( const VECTOR2I& aPosition )
{
 VECTOR2D pos_mm;
 pos_mm.x = aPosition.x / DS_DATA_MODEL::GetTheInstance().m_WSunits2Iu;
 pos_mm.y = aPosition.y / DS_DATA_MODEL::GetTheInstance().m_WSunits2Iu;
 
 MoveEndPointTo( pos_mm );
}
 
 
const VECTOR2D DS_DATA_ITEM::GetStartPos( int ii ) const
{
 DS_DATA_MODEL& model = DS_DATA_MODEL::GetTheInstance();
 VECTOR2D pos( m_Pos.m_Pos.x + ( m_IncrementVector.x * ii ),
 m_Pos.m_Pos.y + ( m_IncrementVector.y * ii ) );
 
 switch( m_Pos.m_Anchor )
 {
 case RB_CORNER: // right bottom corner
 pos = model.m_RB_Corner - pos;
 break;
 
 case RT_CORNER: // right top corner
 pos.x = model.m_RB_Corner.x - pos.x;
 pos.y = model.m_LT_Corner.y + pos.y;
 break;
 
 case LB_CORNER: // left bottom corner
 pos.x = model.m_LT_Corner.x + pos.x;
 pos.y = model.m_RB_Corner.y - pos.y;
 break;
 
 case LT_CORNER: // left top corner
 pos = model.m_LT_Corner + pos;
 break;
 }
 
 return pos;
}
 
 
const VECTOR2I DS_DATA_ITEM::GetStartPosIU( int ii ) const
{
 VECTOR2D pos = GetStartPos( ii ) * DS_DATA_MODEL::GetTheInstance().m_WSunits2Iu;
 return VECTOR2I( KiROUND( pos.x ), KiROUND( pos.y ) );
}
 
 
const VECTOR2D DS_DATA_ITEM::GetEndPos( int ii ) const
{
 VECTOR2D pos( m_End.m_Pos.x + ( m_IncrementVector.x * ii ),
 m_End.m_Pos.y + ( m_IncrementVector.y * ii ) );
 
 switch( m_End.m_Anchor )
 {
 case RB_CORNER: // right bottom corner
 pos = DS_DATA_MODEL::GetTheInstance().m_RB_Corner - pos;
 break;
 
 case RT_CORNER: // right top corner
 pos.x = DS_DATA_MODEL::GetTheInstance().m_RB_Corner.x - pos.x;
 pos.y = DS_DATA_MODEL::GetTheInstance().m_LT_Corner.y + pos.y;
 break;
 
 case LB_CORNER: // left bottom corner
 pos.x = DS_DATA_MODEL::GetTheInstance().m_LT_Corner.x + pos.x;
 pos.y = DS_DATA_MODEL::GetTheInstance().m_RB_Corner.y - pos.y;
 break;
 
 case LT_CORNER: // left top corner
 pos = DS_DATA_MODEL::GetTheInstance().m_LT_Corner + pos;
 break;
 }
 
 return pos;
}
 
 
const VECTOR2I DS_DATA_ITEM::GetEndPosIU( int ii ) const
{
 VECTOR2D pos = GetEndPos( ii );
 pos = pos * DS_DATA_MODEL::GetTheInstance().m_WSunits2Iu;
 return VECTOR2I( KiROUND( pos.x ), KiROUND( pos.y ) );
}
 
 
bool DS_DATA_ITEM::IsInsidePage( int ii ) const
{
 DS_DATA_MODEL& model = DS_DATA_MODEL::GetTheInstance();
 
 for( const VECTOR2D& pos : { GetStartPos( ii ), GetEndPos( ii ) } )
 {
 if( model.m_RB_Corner.x < pos.x || model.m_LT_Corner.x > pos.x )
 return false;
 
 if( model.m_RB_Corner.y < pos.y || model.m_LT_Corner.y > pos.y )
 return false;
 }
 
 return true;
}
 
 
const wxString DS_DATA_ITEM::GetClassName() const
{
 wxString name;
 
 switch( GetType() )
 {
 case DS_TEXT: name = _( "Text" ); break;
 case DS_SEGMENT: name = _( "Line" ); break;
 case DS_RECT: name = _( "Rectangle" ); break;
 case DS_POLYPOLYGON: name = _( "Imported Shape" ); break;
 case DS_BITMAP: name = _( "Image" ); break;
 }
 
 return name;
}
 
 
DS_DATA_ITEM_POLYGONS::DS_DATA_ITEM_POLYGONS() :
 DS_DATA_ITEM( DS_POLYPOLYGON )
{
}
 
 
void DS_DATA_ITEM_POLYGONS::SyncDrawItems( DS_DRAW_ITEM_LIST* aCollector, KIGFX::VIEW* aView )
{
 std::map<int, EDA_ITEM_FLAGS> itemFlags;
 DS_DRAW_ITEM_BASE* item = nullptr;
 
 for( size_t i = 0; i < m_drawItems.size(); ++i )
 {
 item = m_drawItems[ i ];
 itemFlags[ i ] = item->GetFlags();
 
 if( aCollector )
 aCollector->Remove( item );
 
 if( aView )
 aView->Remove( item );
 
 delete item;
 }
 
 m_drawItems.clear();
 
 for( int j = 0; j < m_RepeatCount; j++ )
 {
 if( j > 0 && !IsInsidePage( j ) )
 continue;
 
 int pensize = GetPenSizeIU();
 auto poly_shape = new DS_DRAW_ITEM_POLYPOLYGONS( this, j, GetStartPosIU( j ), pensize );
 poly_shape->SetFlags( itemFlags[ j ] );
 m_drawItems.push_back( poly_shape );
 
 // Transfer all outlines (basic polygons)
 SHAPE_POLY_SET& polygons = poly_shape->GetPolygons();
 
 for( int kk = 0; kk < GetPolyCount(); kk++ )
 {
 // Create new outline
 unsigned ist = GetPolyIndexStart( kk );
 unsigned iend = GetPolyIndexEnd( kk );
 
 polygons.NewOutline();
 
 while( ist <= iend )
 polygons.Append( GetCornerPositionIU( ist++, j ) );
 }
 
 if( aCollector )
 aCollector->Append( poly_shape );
 
 if( aView )
 aView->Add( poly_shape );
 }
}
 
 
int DS_DATA_ITEM_POLYGONS::GetPenSizeIU()
{
 return KiROUND( m_LineWidth * DS_DATA_MODEL::GetTheInstance().m_WSunits2Iu );
}
 
 
const VECTOR2D DS_DATA_ITEM_POLYGONS::GetCornerPosition( unsigned aIdx, int aRepeat ) const
{
 VECTOR2D pos = m_Corners[aIdx];
 
 // Rotation:
 RotatePoint( &pos.x, &pos.y, m_Orient );
 pos += GetStartPos( aRepeat );
 return pos;
}
 
 
void DS_DATA_ITEM_POLYGONS::SetBoundingBox()
{
 if( m_Corners.size() == 0 )
 {
 m_minCoord.x = m_maxCoord.x = 0.0;
 m_minCoord.y = m_maxCoord.y = 0.0;
 return;
 }
 
 VECTOR2I pos;
 pos = m_Corners[0];
 RotatePoint( &pos.x, &pos.y, m_Orient );
 m_minCoord = m_maxCoord = pos;
 
 for( unsigned ii = 1; ii < m_Corners.size(); ii++ )
 {
 pos = m_Corners[ii];
 RotatePoint( &pos.x, &pos.y, m_Orient );
 
 if( m_minCoord.x > pos.x )
 m_minCoord.x = pos.x;
 
 if( m_minCoord.y > pos.y )
 m_minCoord.y = pos.y;
 
 if( m_maxCoord.x < pos.x )
 m_maxCoord.x = pos.x;
 
 if( m_maxCoord.y < pos.y )
 m_maxCoord.y = pos.y;
 }
}
 
 
bool DS_DATA_ITEM_POLYGONS::IsInsidePage( int ii ) const
{
 DS_DATA_MODEL& model = DS_DATA_MODEL::GetTheInstance();
 
 VECTOR2D pos = GetStartPos( ii );
 pos += m_minCoord; // left top pos of bounding box
 
 if( model.m_LT_Corner.x > pos.x || model.m_LT_Corner.y > pos.y )
 return false;
 
 pos = GetStartPos( ii );
 pos += m_maxCoord; // right bottom pos of bounding box
 
 if( model.m_RB_Corner.x < pos.x || model.m_RB_Corner.y < pos.y )
 return false;
 
 return true;
}
 
 
const VECTOR2I DS_DATA_ITEM_POLYGONS::GetCornerPositionIU( unsigned aIdx, int aRepeat ) const
{
 VECTOR2D pos = GetCornerPosition( aIdx, aRepeat );
 pos = pos * DS_DATA_MODEL::GetTheInstance().m_WSunits2Iu;
 return VECTOR2I( int( pos.x ), int( pos.y ) );
}
 
 
DS_DATA_ITEM_TEXT::DS_DATA_ITEM_TEXT( const wxString& aTextBase ) :
 DS_DATA_ITEM( DS_TEXT )
{
 m_TextBase = aTextBase;
 m_IncrementLabel = 1;
 m_Hjustify = GR_TEXT_H_ALIGN_LEFT;
 m_Vjustify = GR_TEXT_V_ALIGN_CENTER;
 m_Italic = false;
 m_Bold = false;
 m_Font = nullptr;
 m_TextColor = COLOR4D::UNSPECIFIED;
 m_Orient = 0.0;
 m_LineWidth = 0.0; // 0 means use default value
}
 
 
void DS_DATA_ITEM_TEXT::SyncDrawItems( DS_DRAW_ITEM_LIST* aCollector, KIGFX::VIEW* aView )
{
 int pensize = GetPenSizeIU();
 bool multilines = false;
 
 if( DS_DATA_MODEL::GetTheInstance().m_EditMode )
 {
 m_FullText = m_TextBase;
 }
 else
 {
 m_FullText = aCollector ? aCollector->BuildFullText( m_TextBase ) : wxString();
 multilines = ReplaceAntiSlashSequence();
 }
 
 if( pensize == 0 )
 pensize = aCollector ? aCollector->GetDefaultPenSize() : 1;
 
 SetConstrainedTextSize();
 VECTOR2I textsize;
 
 textsize.x = KiROUND( m_ConstrainedTextSize.x * DS_DATA_MODEL::GetTheInstance().m_WSunits2Iu );
 textsize.y = KiROUND( m_ConstrainedTextSize.y * DS_DATA_MODEL::GetTheInstance().m_WSunits2Iu );
 
 if( m_Bold )
 pensize = GetPenSizeForBold( std::min( textsize.x, textsize.y ) );
 
 std::map<size_t, EDA_ITEM_FLAGS> itemFlags;
 DS_DRAW_ITEM_TEXT* text = nullptr;
 
 for( size_t i = 0; i < m_drawItems.size(); ++i )
 {
 text = (DS_DRAW_ITEM_TEXT*) m_drawItems[ i ];
 itemFlags[ i ] = text->GetFlags();
 
 if( aCollector )
 aCollector->Remove( text );
 
 if( aView )
 aView->Remove( text );
 
 delete text;
 }
 
 m_drawItems.clear();
 
 for( int j = 0; j < m_RepeatCount; ++j )
 {
 if( j > 0 && !IsInsidePage( j ) )
 continue;
 
 EDA_IU_SCALE iuscale = aCollector ? aCollector->GetIuScale()
 : DS_DATA_MODEL::GetTheInstance().m_WSunits2Iu;
 
 text = new DS_DRAW_ITEM_TEXT( iuscale, this, j, m_FullText, GetStartPosIU( j ), textsize,
 pensize, m_Font, m_Italic, m_Bold, m_TextColor );
 
 text->SetFlags( itemFlags[ j ] );
 m_drawItems.push_back( text );
 
 if( aCollector )
 aCollector->Append( text );
 
 if( aView )
 aView->Add( text );
 
 text->SetHorizJustify( m_Hjustify );
 text->SetVertJustify( m_Vjustify );
 text->SetTextAngle( EDA_ANGLE( m_Orient, DEGREES_T ) );
 text->SetMultilineAllowed( multilines );
 
 // Increment label for the next text (has no meaning for multiline texts)
 if( m_RepeatCount > 1 && !multilines )
 IncrementLabel( ( j + 1 ) * m_IncrementLabel );
 }
}
 
 
int DS_DATA_ITEM_TEXT::GetPenSizeIU()
{
 DS_DATA_MODEL& model = DS_DATA_MODEL::GetTheInstance();
 
 if( m_LineWidth != 0 )
 return KiROUND( m_LineWidth * model.m_WSunits2Iu );
 else
 return KiROUND( model.m_DefaultTextThickness * model.m_WSunits2Iu );
}
 
 
void DS_DATA_ITEM_TEXT::IncrementLabel( int aIncr )
{
 int last = m_TextBase.Len() -1;
 
 wxChar lbchar = m_TextBase[last];
 m_FullText = m_TextBase;
 m_FullText.RemoveLast();
 
 if( lbchar >= '0' && lbchar <= '9' )
 // A number is expected:
 m_FullText << (int)( aIncr + lbchar - '0' );
 else
 m_FullText << (wxChar) ( aIncr + lbchar );
}
 
 
// Replace the '\''n' sequence by EOL
// and the sequence '\''\' by only one '\' in m_FullText
// if m_FullText is a multiline text (i.e.contains '\n') return true
bool DS_DATA_ITEM_TEXT::ReplaceAntiSlashSequence()
{
 bool multiline = false;
 
 for( unsigned ii = 0; ii < m_FullText.Len(); ii++ )
 {
 if( m_FullText[ii] == '\n' )
 multiline = true;
 
 else if( m_FullText[ii] == '\\' )
 {
 if( ++ii >= m_FullText.Len() )
 break;
 
 if( m_FullText[ii] == '\\' )
 {
 // a double \\ sequence is replaced by a single \ char
 m_FullText.Remove(ii, 1);
 ii--;
 }
 else if( m_FullText[ii] == 'n' )
 {
 // Replace the "\n" sequence by a EOL char
 multiline = true;
 m_FullText[ii] = '\n';
 m_FullText.Remove(ii-1, 1);
 ii--;
 }
 }
 }
 
 return multiline;
}
 
 
void DS_DATA_ITEM_TEXT::SetConstrainedTextSize()
{
 m_ConstrainedTextSize = m_TextSize;
 
 if( m_ConstrainedTextSize.x == 0 )
 m_ConstrainedTextSize.x = DS_DATA_MODEL::GetTheInstance().m_DefaultTextSize.x;
 
 if( m_ConstrainedTextSize.y == 0 )
 m_ConstrainedTextSize.y = DS_DATA_MODEL::GetTheInstance().m_DefaultTextSize.y;
}
 
 
void DS_DATA_ITEM_BITMAP::SyncDrawItems( DS_DRAW_ITEM_LIST* aCollector, KIGFX::VIEW* aView )
{
 std::map<size_t, EDA_ITEM_FLAGS> itemFlags;
 DS_DRAW_ITEM_BASE* item = nullptr;
 
 for( size_t i = 0; i < m_drawItems.size(); ++i )
 {
 item = m_drawItems[ i ];
 itemFlags[ i ] = item->GetFlags();
 
 if( aCollector )
 aCollector->Remove( item );
 
 if( aView )
 aView->Remove( item );
 
 delete item;
 }
 
 if( aCollector )
 {
 double pix_size_iu = aCollector->GetMilsToIUfactor() * 1000 / m_ImageBitmap->GetPPI();
 m_ImageBitmap->SetPixelSizeIu( pix_size_iu );
 }
 
 if( !m_ImageBitmap->GetOriginalImageData() )
 return;
 
 m_drawItems.clear();
 
 for( int j = 0; j < m_RepeatCount; j++ )
 {
 if( j > 0 && !IsInsidePage( j ) )
 continue;
 
 DS_DRAW_ITEM_BITMAP* bitmap = new DS_DRAW_ITEM_BITMAP( this, j, GetStartPosIU( j ) );
 
 bitmap->SetFlags( itemFlags[ j ] );
 m_drawItems.push_back( bitmap );
 
 if( aCollector )
 aCollector->Append( bitmap );
 
 if( aView )
 aView->Add( bitmap );
 }
}
 
 
int DS_DATA_ITEM_BITMAP::GetPPI() const
{
 if( m_ImageBitmap )
 return m_ImageBitmap->GetPPI() / m_ImageBitmap->GetScale();
 
 return 300;
}
 
 
void DS_DATA_ITEM_BITMAP::SetPPI( int aBitmapPPI )
{
 if( m_ImageBitmap )
 m_ImageBitmap->SetScale( (double) m_ImageBitmap->GetPPI() / aBitmapPPI );
}