Program: 68122
Project: 68122
Buggy source:
public void paintControl(PaintEvent pe){
  if (idr != null && fdCurrent != null && bUseSize) {
    idr.setProperty(IDeviceRenderer.GRAPHICS_CONTEXT,pe.gc);
    TextRenderEvent tre=new TextRenderEvent(this);
    tre.setAction(TextRenderEvent.RENDER_TEXT_IN_BLOCK);
    TextAlignment ta=TextAlignmentImpl.create();
    if (fdCurrent != null) {
      ta.setHorizontalAlignment(ChartUIUtil.getFontTextAlignment(fdCurrent).getHorizontalAlignment());
      ta.setVerticalAlignment(ChartUIUtil.getFontTextAlignment(fdCurrent).getVerticalAlignment());
    }
 else {
      ta.setHorizontalAlignment(HorizontalAlignment.CENTER_LITERAL);
      ta.setVerticalAlignment(VerticalAlignment.CENTER_LITERAL);
    }
    tre.setBlockAlignment(ta);
    Bounds bo=BoundsImpl.create(0,0,this.getSize().x - 3,this.getSize().y - 3);
    tre.setBlockBounds(bo);
    String fontName=ChartUIUtil.getFontName(fdCurrent);
    Text tx=TextImpl.create(fontName);
    FontDefinition fd=fdCurrent.copyInstance();
    fd.setName(fontName);
    if (!fd.isSetSize()) {
      fd.setSize(9);
    }
    tx.setFont(fd);
    ColorDefinition cdFore, cdBack;
    if (!this.isEnabled()) {
      Color cFore=Display.getCurrent().getSystemColor(SWT.COLOR_DARK_GRAY);
      Color cBack=Display.getCurrent().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND);
      cdFore=ColorDefinitionImpl.create(cFore.getRed(),cFore.getGreen(),cFore.getBlue());
      cdBack=ColorDefinitionImpl.create(cBack.getRed(),cBack.getGreen(),cBack.getBlue());
    }
 else {
      Color cBack=Display.getCurrent().getSystemColor(SWT.COLOR_LIST_BACKGROUND);
      cdBack=ColorDefinitionImpl.create(cBack.getRed(),cBack.getGreen(),cBack.getBlue());
      if (cdCurrent != null && bUseColor) {
        cdFore=cdCurrent.copyInstance();
      }
 else {
        cdFore=ColorDefinitionImpl.BLACK();
      }
    }
    tx.setColor(cdFore);
    Label lb=LabelImpl.create();
    lb.setBackground(cdBack);
    lb.setCaption(tx);
    tre.setLabel(lb);
    RectangleRenderEvent rre=new RectangleRenderEvent(this);
    rre.setBounds(bo);
    rre.setBackground(cdBack);
    try {
      idr.fillRectangle(rre);
      idr.drawText(tre);
    }
 catch (    ChartException e) {
    }
    return;
  }
  Font fSize=null;
  Font fCurrent=null;
  Color cFore=null;
  Color cBack=null;
  GC gc=pe.gc;
  gc.setAdvanced(true);
  Font fOld=gc.getFont();
  if (!this.isEnabled()) {
    cFore=Display.getCurrent().getSystemColor(SWT.COLOR_DARK_GRAY);
    cBack=Display.getCurrent().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND);
  }
 else {
    cBack=Display.getCurrent().getSystemColor(SWT.COLOR_LIST_BACKGROUND);
    if (cdCurrent != null && bUseColor && cdCurrent.getTransparency() > 0) {
      cFore=new Color(this.getDisplay(),cdCurrent.getRed(),cdCurrent.getGreen(),cdCurrent.getBlue());
    }
 else {
      cFore=new Color(this.getDisplay(),0,0,0);
    }
  }
  gc.setForeground(cFore);
  gc.setBackground(cBack);
  gc.fillRectangle(0,0,this.getSize().x,this.getSize().y);
  if (fdCurrent != null) {
    int iStyle=(fdCurrent.isSetBold() && fdCurrent.isBold()) ? SWT.BOLD : SWT.NORMAL;
    iStyle|=(fdCurrent.isSetItalic() && fdCurrent.isItalic()) ? SWT.ITALIC : iStyle;
    String sFontName=ChartUIUtil.getFontName(fdCurrent);
    if (!bUseSize) {
      gc.setClipping(2,2,this.getSize().x - 40,26);
      fCurrent=new Font(this.getDisplay(),ChartUIUtil.getFontName(fdCurrent),fOld.getFontData()[0].getHeight(),iStyle);
    }
 else {
      fCurrent=new Font(this.getDisplay(),ChartUIUtil.getFontName(fdCurrent),fdCurrent.isSetSize() ? (int)fdCurrent.getSize() : 9,iStyle);
    }
    gc.setFont(fCurrent);
    int iStartX=5;
    int iStartY=3;
    if (bUseAlignment) {
      if (ChartUIUtil.getFontTextAlignment(fdCurrent).getHorizontalAlignment().equals(HorizontalAlignment.LEFT_LITERAL)) {
        iStartX=5;
      }
 else       if (ChartUIUtil.getFontTextAlignment(fdCurrent).getHorizontalAlignment().equals(HorizontalAlignment.CENTER_LITERAL)) {
        iStartX=this.getSize().x / 2 - (getStringWidth(gc,sFontName).x / 2);
      }
 else       if (ChartUIUtil.getFontTextAlignment(fdCurrent).getHorizontalAlignment().equals(HorizontalAlignment.RIGHT_LITERAL)) {
        iStartX=this.getSize().x - getStringWidth(gc,sFontName).x - 5;
      }
      if (ChartUIUtil.getFontTextAlignment(fdCurrent).getVerticalAlignment().equals(VerticalAlignment.TOP_LITERAL)) {
        iStartY=3;
      }
 else       if (ChartUIUtil.getFontTextAlignment(fdCurrent).getVerticalAlignment().equals(VerticalAlignment.CENTER_LITERAL)) {
        iStartY=(this.getSize().y / 2);
        if (bUseSize) {
          iStartY-=(getStringWidth(gc,sFontName).y / 2);
        }
 else {
          iStartY-=15;
        }
      }
 else       if (ChartUIUtil.getFontTextAlignment(fdCurrent).getVerticalAlignment().equals(VerticalAlignment.BOTTOM_LITERAL)) {
        iStartY=this.getSize().y;
        if (bUseSize) {
          iStartY-=(getStringWidth(gc,sFontName).y) + 5;
        }
 else {
          iStartY-=30;
        }
      }
    }
    gc.drawText(sFontName,iStartX,iStartY);
    if (fdCurrent.isUnderline()) {
      gc.drawLine(iStartX,iStartY + getStringWidth(gc,sFontName).y - gc.getFontMetrics().getDescent(),iStartX + getStringWidth(gc,sFontName).x - gc.getFontMetrics().getDescent(),iStartY + getStringWidth(gc,sFontName).y - gc.getFontMetrics().getDescent());
    }
    if (fdCurrent.isStrikethrough()) {
      gc.drawLine(iStartX,iStartY + (getStringWidth(gc,sFontName).y / 2) + 1,iStartX + getStringWidth(gc,sFontName).x,iStartY + (getStringWidth(gc,sFontName).y / 2) + 1);
    }
    if (!bUseSize) {
      gc.setClipping(1,1,this.getSize().x,this.getSize().y);
      fSize=new Font(this.getDisplay(),"String_Node_Str",fOld.getFontData()[0].getHeight(),SWT.NORMAL);
      gc.setFont(fSize);
      String sizeString="String_Node_Str" + (fdCurrent.isSetSize() ? String.valueOf((int)fdCurrent.getSize()) : ChartUIUtil.FONT_AUTO) + "String_Node_Str";
      Point pt=gc.textExtent(sizeString);
      gc.drawText(sizeString,this.getSize().x - pt.x - this.getBorderWidth()- 2,(this.getSize().y - pt.y) / 2 - 1);
      fSize.dispose();
      preferredWidth=getStringWidth(gc,sFontName).x + getStringWidth(gc,sizeString).x + 5+ iStartX;
    }
    fCurrent.dispose();
  }
  if (this.isEnabled()) {
    cFore.dispose();
  }
  gc.setFont(fOld);
}

Fixed version (ground truth):
public void paintControl(PaintEvent pe){
  if (idr != null && fdCurrent != null && bUseSize) {
    idr.setProperty(IDeviceRenderer.GRAPHICS_CONTEXT,pe.gc);
    TextRenderEvent tre=new TextRenderEvent(this);
    tre.setAction(TextRenderEvent.RENDER_TEXT_IN_BLOCK);
    TextAlignment ta=TextAlignmentImpl.create();
    if (fdCurrent != null) {
      ta.setHorizontalAlignment(ChartUIUtil.getFontTextAlignment(fdCurrent).getHorizontalAlignment());
      ta.setVerticalAlignment(ChartUIUtil.getFontTextAlignment(fdCurrent).getVerticalAlignment());
    }
 else {
      ta.setHorizontalAlignment(HorizontalAlignment.CENTER_LITERAL);
      ta.setVerticalAlignment(VerticalAlignment.CENTER_LITERAL);
    }
    tre.setBlockAlignment(ta);
    Bounds bo=BoundsImpl.create(0,0,this.getSize().x - 3,this.getSize().y - 3);
    tre.setBlockBounds(bo);
    String fontName=ChartUIUtil.getFontName(fdCurrent);
    Text tx=TextImpl.create(fontName);
    FontDefinition fd=fdCurrent.copyInstance();
    fd.setName(fontName);
    if (!fd.isSetSize()) {
      fd.setSize(9);
    }
    tx.setFont(fd);
    ColorDefinition cdFore, cdBack;
    if (!this.isEnabled()) {
      Color cFore=Display.getCurrent().getSystemColor(SWT.COLOR_DARK_GRAY);
      Color cBack=Display.getCurrent().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND);
      cdFore=ColorDefinitionImpl.create(cFore.getRed(),cFore.getGreen(),cFore.getBlue());
      cdBack=ColorDefinitionImpl.create(cBack.getRed(),cBack.getGreen(),cBack.getBlue());
    }
 else {
      Color cBack=Display.getCurrent().getSystemColor(SWT.COLOR_LIST_BACKGROUND);
      cdBack=ColorDefinitionImpl.create(cBack.getRed(),cBack.getGreen(),cBack.getBlue());
      if (cdCurrent != null && bUseColor) {
        cdFore=cdCurrent.copyInstance();
      }
 else {
        Color cFore=Display.getCurrent().getSystemColor(SWT.COLOR_LIST_FOREGROUND);
        cdFore=ColorDefinitionImpl.create(cFore.getRed(),cFore.getGreen(),cFore.getBlue());
      }
    }
    tx.setColor(cdFore);
    Label lb=LabelImpl.create();
    lb.setBackground(cdBack);
    lb.setCaption(tx);
    tre.setLabel(lb);
    RectangleRenderEvent rre=new RectangleRenderEvent(this);
    rre.setBounds(bo);
    rre.setBackground(cdBack);
    try {
      idr.fillRectangle(rre);
      idr.drawText(tre);
    }
 catch (    ChartException e) {
    }
    return;
  }
  Font fSize=null;
  Font fCurrent=null;
  Color cFore=null;
  Color cBack=null;
  GC gc=pe.gc;
  gc.setAdvanced(true);
  Font fOld=gc.getFont();
  if (!this.isEnabled()) {
    cFore=Display.getCurrent().getSystemColor(SWT.COLOR_DARK_GRAY);
    cBack=Display.getCurrent().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND);
  }
 else {
    cBack=Display.getCurrent().getSystemColor(SWT.COLOR_LIST_BACKGROUND);
    if (cdCurrent != null && bUseColor && cdCurrent.getTransparency() > 0) {
      cFore=new Color(this.getDisplay(),cdCurrent.getRed(),cdCurrent.getGreen(),cdCurrent.getBlue());
    }
 else {
      cFore=Display.getCurrent().getSystemColor(SWT.COLOR_LIST_FOREGROUND);
    }
  }
  gc.setForeground(cFore);
  gc.setBackground(cBack);
  gc.fillRectangle(0,0,this.getSize().x,this.getSize().y);
  if (fdCurrent != null) {
    int iStyle=(fdCurrent.isSetBold() && fdCurrent.isBold()) ? SWT.BOLD : SWT.NORMAL;
    iStyle|=(fdCurrent.isSetItalic() && fdCurrent.isItalic()) ? SWT.ITALIC : iStyle;
    String sFontName=ChartUIUtil.getFontName(fdCurrent);
    if (!bUseSize) {
      gc.setClipping(2,2,this.getSize().x - 40,26);
      fCurrent=new Font(this.getDisplay(),ChartUIUtil.getFontName(fdCurrent),fOld.getFontData()[0].getHeight(),iStyle);
    }
 else {
      fCurrent=new Font(this.getDisplay(),ChartUIUtil.getFontName(fdCurrent),fdCurrent.isSetSize() ? (int)fdCurrent.getSize() : 9,iStyle);
    }
    gc.setFont(fCurrent);
    int iStartX=5;
    int iStartY=3;
    if (bUseAlignment) {
      if (ChartUIUtil.getFontTextAlignment(fdCurrent).getHorizontalAlignment().equals(HorizontalAlignment.LEFT_LITERAL)) {
        iStartX=5;
      }
 else       if (ChartUIUtil.getFontTextAlignment(fdCurrent).getHorizontalAlignment().equals(HorizontalAlignment.CENTER_LITERAL)) {
        iStartX=this.getSize().x / 2 - (getStringWidth(gc,sFontName).x / 2);
      }
 else       if (ChartUIUtil.getFontTextAlignment(fdCurrent).getHorizontalAlignment().equals(HorizontalAlignment.RIGHT_LITERAL)) {
        iStartX=this.getSize().x - getStringWidth(gc,sFontName).x - 5;
      }
      if (ChartUIUtil.getFontTextAlignment(fdCurrent).getVerticalAlignment().equals(VerticalAlignment.TOP_LITERAL)) {
        iStartY=3;
      }
 else       if (ChartUIUtil.getFontTextAlignment(fdCurrent).getVerticalAlignment().equals(VerticalAlignment.CENTER_LITERAL)) {
        iStartY=(this.getSize().y / 2);
        if (bUseSize) {
          iStartY-=(getStringWidth(gc,sFontName).y / 2);
        }
 else {
          iStartY-=15;
        }
      }
 else       if (ChartUIUtil.getFontTextAlignment(fdCurrent).getVerticalAlignment().equals(VerticalAlignment.BOTTOM_LITERAL)) {
        iStartY=this.getSize().y;
        if (bUseSize) {
          iStartY-=(getStringWidth(gc,sFontName).y) + 5;
        }
 else {
          iStartY-=30;
        }
      }
    }
    gc.drawText(sFontName,iStartX,iStartY);
    if (fdCurrent.isUnderline()) {
      gc.drawLine(iStartX,iStartY + getStringWidth(gc,sFontName).y - gc.getFontMetrics().getDescent(),iStartX + getStringWidth(gc,sFontName).x - gc.getFontMetrics().getDescent(),iStartY + getStringWidth(gc,sFontName).y - gc.getFontMetrics().getDescent());
    }
    if (fdCurrent.isStrikethrough()) {
      gc.drawLine(iStartX,iStartY + (getStringWidth(gc,sFontName).y / 2) + 1,iStartX + getStringWidth(gc,sFontName).x,iStartY + (getStringWidth(gc,sFontName).y / 2) + 1);
    }
    if (!bUseSize) {
      gc.setClipping(1,1,this.getSize().x,this.getSize().y);
      fSize=new Font(this.getDisplay(),"String_Node_Str",fOld.getFontData()[0].getHeight(),SWT.NORMAL);
      gc.setFont(fSize);
      String sizeString="String_Node_Str" + (fdCurrent.isSetSize() ? String.valueOf((int)fdCurrent.getSize()) : ChartUIUtil.FONT_AUTO) + "String_Node_Str";
      Point pt=gc.textExtent(sizeString);
      gc.drawText(sizeString,this.getSize().x - pt.x - this.getBorderWidth()- 2,(this.getSize().y - pt.y) / 2 - 1);
      fSize.dispose();
      preferredWidth=getStringWidth(gc,sFontName).x + getStringWidth(gc,sizeString).x + 5+ iStartX;
    }
    fCurrent.dispose();
  }
  if (this.isEnabled()) {
    cFore.dispose();
  }
  gc.setFont(fOld);
}