Bug 212291 SWT Chart render engine always uses 96 DPI(Display) resolution
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/withaxes/PlotWithAxes.java
dStart = da[0] - dDelta;
							dEnd = da[1];
							if ( dStart > dBlockX + dBlockWidth )
							{
								dStart = dBlockX + dBlockWidth;
								bForceBreak = true;
							}
						}
						else
						{
							double dAMin_AMax = da[1] - da[0];
							double dAMin_RI = Math.abs( dX - da[0] );
							double dDelta = ( dT_RI / dAMin_RI ) * dAMin_AMax;
							dEnd = da[1] - dDelta;
							dStart = da[0];
							if ( dEnd > dBlockX + dBlockWidth )
							{
								dEnd = dBlockX + dBlockWidth;
								bForceBreak = true;
							}
						}
						
						
						scX.setEndPoints( dStart, dEnd );
						scX.computeTicks( ids,
								laXAxisLabels,
								iXLabelLocation,
								HORIZONTAL,
								dStart,
								dEnd,