Bug 212291 SWT Chart render engine always uses 96 DPI(Display) resolution
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/AxesRenderer.java
final BlockGenerationEvent bge = new BlockGenerationEvent( bl );
			
			ScriptHandler.callFunction( sh,
					ScriptHandler.BEFORE_DRAW_BLOCK,
					bl,
					getRunTimeContext( ).getScriptContext( ) );
			getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_BLOCK,
					bl );
			bge.updateBlock( bl );
			renderChartBlock( idr, bl, StructureSource.createChartBlock( bl ) );
			ScriptHandler.callFunction( sh,
					ScriptHandler.AFTER_DRAW_BLOCK,
					bl,
					getRunTimeContext( ).getScriptContext( ) );
			getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.AFTER_DRAW_BLOCK,
					bl );
			while ( e.hasMoreElements( ) )
			{
				bl = (Block) e.nextElement( );
				bge.updateBlock( bl );
				if ( bl instanceof Plot )
				{
					ScriptHandler.callFunction( sh,
							ScriptHandler.BEFORE_DRAW_BLOCK,
							bl,
							getRunTimeContext( ).getScriptContext( ) );
					getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_BLOCK,
							bl );
					renderPlot( idr, (Plot) bl );
					ScriptHandler.callFunction( sh,