class sun.awt.image.PNGFilterInputStream extends java.io.FilterInputStream
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: sun.awt.image.PNGFilterInputStream
  super_class: java.io.FilterInputStream
{
  sun.awt.image.PNGImageDecoder owner;
    descriptor: Lsun/awt/image/PNGImageDecoder;
    flags: (0x0000) 

  public java.io.InputStream underlyingInputStream;
    descriptor: Ljava/io/InputStream;
    flags: (0x0001) ACC_PUBLIC

  public void <init>(sun.awt.image.PNGImageDecoder, java.io.InputStream);
    descriptor: (Lsun/awt/image/PNGImageDecoder;Ljava/io/InputStream;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // sun.awt.image.PNGFilterInputStream this
        start local 1 // sun.awt.image.PNGImageDecoder owner
        start local 2 // java.io.InputStream is
         0: .line 812
            aload 0 /* this */
            aload 2 /* is */
            invokespecial java.io.FilterInputStream.<init>:(Ljava/io/InputStream;)V
         1: .line 813
            aload 0 /* this */
            aload 0 /* this */
            getfield sun.awt.image.PNGFilterInputStream.in:Ljava/io/InputStream;
            putfield sun.awt.image.PNGFilterInputStream.underlyingInputStream:Ljava/io/InputStream;
         2: .line 814
            aload 0 /* this */
            aload 1 /* owner */
            putfield sun.awt.image.PNGFilterInputStream.owner:Lsun/awt/image/PNGImageDecoder;
         3: .line 815
            return
        end local 2 // java.io.InputStream is
        end local 1 // sun.awt.image.PNGImageDecoder owner
        end local 0 // sun.awt.image.PNGFilterInputStream this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0   this  Lsun/awt/image/PNGFilterInputStream;
            0    4     1  owner  Lsun/awt/image/PNGImageDecoder;
            0    4     2     is  Ljava/io/InputStream;
    MethodParameters:
       Name  Flags
      owner  
      is     

  public int available();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // sun.awt.image.PNGFilterInputStream this
         0: .line 818
            aload 0 /* this */
            getfield sun.awt.image.PNGFilterInputStream.owner:Lsun/awt/image/PNGImageDecoder;
            getfield sun.awt.image.PNGImageDecoder.limit:I
            aload 0 /* this */
            getfield sun.awt.image.PNGFilterInputStream.owner:Lsun/awt/image/PNGImageDecoder;
            getfield sun.awt.image.PNGImageDecoder.pos:I
            isub
            aload 0 /* this */
            getfield sun.awt.image.PNGFilterInputStream.in:Ljava/io/InputStream;
            invokevirtual java.io.InputStream.available:()I
            iadd
            ireturn
        end local 0 // sun.awt.image.PNGFilterInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/awt/image/PNGFilterInputStream;
    Exceptions:
      throws java.io.IOException

  public boolean markSupported();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.awt.image.PNGFilterInputStream this
         0: .line 819
            iconst_0
            ireturn
        end local 0 // sun.awt.image.PNGFilterInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/awt/image/PNGFilterInputStream;

  public int read();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // sun.awt.image.PNGFilterInputStream this
         0: .line 821
            aload 0 /* this */
            getfield sun.awt.image.PNGFilterInputStream.owner:Lsun/awt/image/PNGImageDecoder;
            getfield sun.awt.image.PNGImageDecoder.chunkLength:I
            ifgt 1
            aload 0 /* this */
            getfield sun.awt.image.PNGFilterInputStream.owner:Lsun/awt/image/PNGImageDecoder;
            invokevirtual sun.awt.image.PNGImageDecoder.getData:()Z
            ifne 1
            iconst_m1
            ireturn
         1: .line 822
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.awt.image.PNGFilterInputStream.owner:Lsun/awt/image/PNGImageDecoder;
            dup
            getfield sun.awt.image.PNGImageDecoder.chunkLength:I
            iconst_1
            isub
            putfield sun.awt.image.PNGImageDecoder.chunkLength:I
         2: .line 823
            aload 0 /* this */
            getfield sun.awt.image.PNGFilterInputStream.owner:Lsun/awt/image/PNGImageDecoder;
            getfield sun.awt.image.PNGImageDecoder.inbuf:[B
            aload 0 /* this */
            getfield sun.awt.image.PNGFilterInputStream.owner:Lsun/awt/image/PNGImageDecoder;
            dup
            getfield sun.awt.image.PNGImageDecoder.chunkStart:I
            dup_x1
            iconst_1
            iadd
            putfield sun.awt.image.PNGImageDecoder.chunkStart:I
            baload
            sipush 255
            iand
            ireturn
        end local 0 // sun.awt.image.PNGFilterInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lsun/awt/image/PNGFilterInputStream;
    Exceptions:
      throws java.io.IOException

  public int read(byte[]);
    descriptor: ([B)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // sun.awt.image.PNGFilterInputStream this
        start local 1 // byte[] b
         0: .line 825
            aload 0 /* this */
            aload 1 /* b */
            iconst_0
            aload 1 /* b */
            arraylength
            invokevirtual sun.awt.image.PNGFilterInputStream.read:([BII)I
            ireturn
        end local 1 // byte[] b
        end local 0 // sun.awt.image.PNGFilterInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/awt/image/PNGFilterInputStream;
            0    1     1     b  [B
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     

  public int read(byte[], int, int);
    descriptor: ([BII)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // sun.awt.image.PNGFilterInputStream this
        start local 1 // byte[] b
        start local 2 // int st
        start local 3 // int len
         0: .line 827
            aload 0 /* this */
            getfield sun.awt.image.PNGFilterInputStream.owner:Lsun/awt/image/PNGImageDecoder;
            getfield sun.awt.image.PNGImageDecoder.chunkLength:I
            ifgt 1
            aload 0 /* this */
            getfield sun.awt.image.PNGFilterInputStream.owner:Lsun/awt/image/PNGImageDecoder;
            invokevirtual sun.awt.image.PNGImageDecoder.getData:()Z
            ifne 1
            iconst_m1
            ireturn
         1: .line 828
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.awt.image.PNGFilterInputStream.owner:Lsun/awt/image/PNGImageDecoder;
            getfield sun.awt.image.PNGImageDecoder.chunkLength:I
            iload 3 /* len */
            if_icmpge 2
            aload 0 /* this */
            getfield sun.awt.image.PNGFilterInputStream.owner:Lsun/awt/image/PNGImageDecoder;
            getfield sun.awt.image.PNGImageDecoder.chunkLength:I
            istore 3 /* len */
         2: .line 829
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield sun.awt.image.PNGFilterInputStream.owner:Lsun/awt/image/PNGImageDecoder;
            getfield sun.awt.image.PNGImageDecoder.inbuf:[B
            aload 0 /* this */
            getfield sun.awt.image.PNGFilterInputStream.owner:Lsun/awt/image/PNGImageDecoder;
            getfield sun.awt.image.PNGImageDecoder.chunkStart:I
            aload 1 /* b */
            iload 2 /* st */
            iload 3 /* len */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         3: .line 830
            aload 0 /* this */
            getfield sun.awt.image.PNGFilterInputStream.owner:Lsun/awt/image/PNGImageDecoder;
            dup
            getfield sun.awt.image.PNGImageDecoder.chunkLength:I
            iload 3 /* len */
            isub
            putfield sun.awt.image.PNGImageDecoder.chunkLength:I
         4: .line 831
            aload 0 /* this */
            getfield sun.awt.image.PNGFilterInputStream.owner:Lsun/awt/image/PNGImageDecoder;
            dup
            getfield sun.awt.image.PNGImageDecoder.chunkStart:I
            iload 3 /* len */
            iadd
            putfield sun.awt.image.PNGImageDecoder.chunkStart:I
         5: .line 832
            iload 3 /* len */
            ireturn
        end local 3 // int len
        end local 2 // int st
        end local 1 // byte[] b
        end local 0 // sun.awt.image.PNGFilterInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lsun/awt/image/PNGFilterInputStream;
            0    6     1     b  [B
            0    6     2    st  I
            0    6     3   len  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     
      st    
      len   

  public long skip(long);
    descriptor: (J)J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=2
        start local 0 // sun.awt.image.PNGFilterInputStream this
        start local 1 // long n
         0: .line 836
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         1: goto 3
      StackMap locals: int
      StackMap stack:
         2: iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
         3: iload 3 /* i */
            i2l
            lload 1 /* n */
            lcmp
            ifge 4
            aload 0 /* this */
            invokevirtual sun.awt.image.PNGFilterInputStream.read:()I
            ifge 2
         4: .line 837
      StackMap locals:
      StackMap stack:
            iload 3 /* i */
            i2l
            lreturn
        end local 3 // int i
        end local 1 // long n
        end local 0 // sun.awt.image.PNGFilterInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lsun/awt/image/PNGFilterInputStream;
            0    5     1     n  J
            1    5     3     i  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      n     
}
SourceFile: "PNGImageDecoder.java"