http://xmlgraphics.apache.org/fop/: Apache FOP (Formatting Objects Processor) is the world's first print formatter driven by XSL formatting objects (XSL-FO) and the world's first output independent formatter. It is a Java application that reads a formatting object (FO) tree and renders the resulting pages to a specified output. Output formats currently supported include PDF, PCL, PS, AFP, TIFF, PNG, SVG, XML (area tree representation), Print, AWT and TXT. The primary output target is PDF. (Apache Software Foundation) 
public class org.apache.fop.area.BlockParent extends org.apache.fop.area.Area
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.fop.area.BlockParent
  super_class: org.apache.fop.area.Area
{
  private static final long serialVersionUID;
    descriptor: J
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 7076916890348533805

  protected int xOffset;
    descriptor: I
    flags: (0x0004) ACC_PROTECTED

  protected int yOffset;
    descriptor: I
    flags: (0x0004) ACC_PROTECTED

  protected java.util.List<org.apache.fop.area.Area> children;
    descriptor: Ljava/util/List;
    flags: (0x0004) ACC_PROTECTED
    Signature: Ljava/util/List<Lorg/apache/fop/area/Area;>;

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.fop.area.BlockParent this
         0: .line 28
            aload 0 /* this */
            invokespecial org.apache.fop.area.Area.<init>:()V
            return
        end local 0 // org.apache.fop.area.BlockParent this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/fop/area/BlockParent;

  public void addChildArea(org.apache.fop.area.Area);
    descriptor: (Lorg/apache/fop/area/Area;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.fop.area.BlockParent this
        start local 1 // org.apache.fop.area.Area childArea
         0: .line 58
            aload 0 /* this */
            getfield org.apache.fop.area.BlockParent.children:Ljava/util/List;
            ifnonnull 2
         1: .line 59
            aload 0 /* this */
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            putfield org.apache.fop.area.BlockParent.children:Ljava/util/List;
         2: .line 61
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.fop.area.BlockParent.children:Ljava/util/List;
            aload 1 /* childArea */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         3: .line 62
            return
        end local 1 // org.apache.fop.area.Area childArea
        end local 0 // org.apache.fop.area.BlockParent this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    4     0       this  Lorg/apache/fop/area/BlockParent;
            0    4     1  childArea  Lorg/apache/fop/area/Area;
    MethodParameters:
           Name  Flags
      childArea  

  public void addBlock(org.apache.fop.area.Block);
    descriptor: (Lorg/apache/fop/area/Block;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.fop.area.BlockParent this
        start local 1 // org.apache.fop.area.Block block
         0: .line 70
            aload 0 /* this */
            aload 1 /* block */
            invokevirtual org.apache.fop.area.BlockParent.addChildArea:(Lorg/apache/fop/area/Area;)V
         1: .line 71
            return
        end local 1 // org.apache.fop.area.Block block
        end local 0 // org.apache.fop.area.BlockParent this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lorg/apache/fop/area/BlockParent;
            0    2     1  block  Lorg/apache/fop/area/Block;
    MethodParameters:
       Name  Flags
      block  

  public java.util.List getChildAreas();
    descriptor: ()Ljava/util/List;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.fop.area.BlockParent this
         0: .line 79
            aload 0 /* this */
            getfield org.apache.fop.area.BlockParent.children:Ljava/util/List;
            areturn
        end local 0 // org.apache.fop.area.BlockParent this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/fop/area/BlockParent;

  public boolean isEmpty();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.fop.area.BlockParent this
         0: .line 88
            aload 0 /* this */
            getfield org.apache.fop.area.BlockParent.children:Ljava/util/List;
            ifnull 1
            aload 0 /* this */
            getfield org.apache.fop.area.BlockParent.children:Ljava/util/List;
            invokeinterface java.util.List.size:()I
            ifeq 1
            iconst_0
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_1
            ireturn
        end local 0 // org.apache.fop.area.BlockParent this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/fop/area/BlockParent;

  public void setXOffset(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.fop.area.BlockParent this
        start local 1 // int off
         0: .line 97
            aload 0 /* this */
            iload 1 /* off */
            putfield org.apache.fop.area.BlockParent.xOffset:I
         1: .line 98
            return
        end local 1 // int off
        end local 0 // org.apache.fop.area.BlockParent this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/fop/area/BlockParent;
            0    2     1   off  I
    MethodParameters:
      Name  Flags
      off   

  public void setYOffset(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.fop.area.BlockParent this
        start local 1 // int off
         0: .line 106
            aload 0 /* this */
            iload 1 /* off */
            putfield org.apache.fop.area.BlockParent.yOffset:I
         1: .line 107
            return
        end local 1 // int off
        end local 0 // org.apache.fop.area.BlockParent this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/fop/area/BlockParent;
            0    2     1   off  I
    MethodParameters:
      Name  Flags
      off   

  public int getXOffset();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.fop.area.BlockParent this
         0: .line 115
            aload 0 /* this */
            getfield org.apache.fop.area.BlockParent.xOffset:I
            ireturn
        end local 0 // org.apache.fop.area.BlockParent this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/fop/area/BlockParent;

  public int getYOffset();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.fop.area.BlockParent this
         0: .line 124
            aload 0 /* this */
            getfield org.apache.fop.area.BlockParent.yOffset:I
            ireturn
        end local 0 // org.apache.fop.area.BlockParent this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/fop/area/BlockParent;

  public int getEffectiveIPD();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=5, args_size=1
        start local 0 // org.apache.fop.area.BlockParent this
         0: .line 128
            iconst_0
            istore 1 /* maxIPD */
        start local 1 // int maxIPD
         1: .line 129
            aload 0 /* this */
            getfield org.apache.fop.area.BlockParent.children:Ljava/util/List;
            ifnull 8
         2: .line 130
            aload 0 /* this */
            getfield org.apache.fop.area.BlockParent.children:Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 3
            goto 7
      StackMap locals: org.apache.fop.area.BlockParent int top java.util.Iterator
      StackMap stack:
         3: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.apache.fop.area.Area
            astore 2 /* area */
        start local 2 // org.apache.fop.area.Area area
         4: .line 131
            aload 2 /* area */
            invokevirtual org.apache.fop.area.Area.getEffectiveIPD:()I
            istore 4 /* effectiveIPD */
        start local 4 // int effectiveIPD
         5: .line 132
            iload 4 /* effectiveIPD */
            iload 1 /* maxIPD */
            if_icmple 7
         6: .line 133
            iload 4 /* effectiveIPD */
            istore 1 /* maxIPD */
        end local 4 // int effectiveIPD
        end local 2 // org.apache.fop.area.Area area
         7: .line 130
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 3
         8: .line 137
      StackMap locals: org.apache.fop.area.BlockParent int
      StackMap stack:
            iload 1 /* maxIPD */
            ireturn
        end local 1 // int maxIPD
        end local 0 // org.apache.fop.area.BlockParent this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    9     0          this  Lorg/apache/fop/area/BlockParent;
            1    9     1        maxIPD  I
            4    7     2          area  Lorg/apache/fop/area/Area;
            5    7     4  effectiveIPD  I

  public void activateEffectiveIPD();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=3, args_size=1
        start local 0 // org.apache.fop.area.BlockParent this
         0: .line 141
            aload 0 /* this */
            getfield org.apache.fop.area.BlockParent.children:Ljava/util/List;
            ifnull 5
         1: .line 142
            aload 0 /* this */
            getfield org.apache.fop.area.BlockParent.children:Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 2
            goto 4
      StackMap locals: org.apache.fop.area.BlockParent top java.util.Iterator
      StackMap stack:
         2: aload 2
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.apache.fop.area.Area
            astore 1 /* area */
        start local 1 // org.apache.fop.area.Area area
         3: .line 143
            aload 1 /* area */
            invokevirtual org.apache.fop.area.Area.activateEffectiveIPD:()V
        end local 1 // org.apache.fop.area.Area area
         4: .line 142
      StackMap locals:
      StackMap stack:
            aload 2
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
         5: .line 146
      StackMap locals: org.apache.fop.area.BlockParent
      StackMap stack:
            return
        end local 0 // org.apache.fop.area.BlockParent this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/apache/fop/area/BlockParent;
            3    4     1  area  Lorg/apache/fop/area/Area;
}
SourceFile: "BlockParent.java"