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
double dDelta = ( dT_RI / dAMax_RI ) * dAMin_AMax;
							dEnd = da[1] + dDelta;
							dStart = da[0];
							if ( dEnd < dBlockX )
							{
								dEnd = dBlockX;
								bForceBreak = true;
							}
						}
						else
						{
							double dAMin_AMax = da[1] - da[0];
							double dAMax_RI = Math.abs( da[1] - dX );
							double dDelta = ( dT_RI / dAMax_RI ) * dAMin_AMax;
							dStart = da[0] + dDelta;
							dEnd = da[1];
							if ( dStart < dBlockX )
							{
								dStart = dBlockX;
								bForceBreak = true;
							}
						}
						
						
						scX.setEndPoints( dStart, dEnd );
						scX.computeTicks( ids,
								laXAxisLabels,
								iXLabelLocation,
								HORIZONTAL,
								dStart,