Examples of ModHuffmanOutputStream

Examples of uk.co.mmscomputing.io.ModHuffmanOutputStream

100
101
102
103
104
105
106
107
108
109
110
111
112
      WritableRaster   raster=image.getRaster();
      DataBufferByte   buffer=(DataBufferByte)raster.getDataBuffer();
      byte[]           imgdata=(byte[])buffer.getData();

      ByteArrayOutputStream  baos = new ByteArrayOutputStream();
      ModHuffmanOutputStream mhos;
      switch(mode){
      case compT4MH: mhos = new ModHuffmanOutputStream(baos);break;
      case compT4MR: mhos = new ModREADOutputStream(baos,width);break;
      case compT6MMR:mhos = new ModModREADOutputStream(baos,width);break;
      default: throw new IOException(cn+".writeImage: Internal Error: Unknown compression = "+mode);  // Should never get here.
      }
View Full Code Here

Examples of uk.co.mmscomputing.io.ModHuffmanOutputStream

232
233
234
235
236
237
238
239
240
241
242
                    write to image file
        */
        ByteArrayOutputStream  baos=new ByteArrayOutputStream();
        BitSwapOutputStream    bsos=new BitSwapOutputStream(baos);
        ModHuffmanOutputStream mhos=new ModHuffmanOutputStream(bsos);

        RLEOutputStream        rlos=new RLEOutputStream(mhos,3);         // rgb = 3 bytes per sample code word (not needed here)

        for(int i=0;i<maxrps;i++){
          if((y+i)==height){break;}                                      // last strip might have less rows
View Full Code Here

Examples of uk.co.mmscomputing.io.ModHuffmanOutputStream

109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
    WritableRaster   raster=image.getRaster();
    DataBufferByte   buffer=(DataBufferByte)raster.getDataBuffer();
    byte[]           imgdata=(byte[])buffer.getData();

    BitSwapOutputStream    bsos = new BitSwapOutputStream(baos);
    ModHuffmanOutputStream mhos = new ModModREADOutputStream(bsos,width);
    RLEBit1OutputStream    rlos = new RLEBit1OutputStream(mhos);

    int len=width>>3;                              // eight pixel per byte
    int end=8-(width&0x07);                        // how many bits of last byte represent image data

    int off=0;
    if(end==8){                                    // image row ends at byte boundary
      for(int y=0;y<height;y++){
        rlos.setStartCodeWord(0x0001);             // white run first; White is Zero: 1s in image => 0s in compressed data
        mhos.writeEOL();                           // T.6: we don't write EOL code, we just set up buffers here
        rlos.write(imgdata,off,len);
        rlos.flush();
        off+=len;
      }
    }else{
      for(int y=0;y<height;y++){
        rlos.setStartCodeWord(0x0001);             // white run first; White is Zero: 1s in image => 0s in compressed data
        mhos.writeEOL();                           // T.6: we don't write EOL code, we just set up buffers here
        rlos.write(imgdata,off,len);
        rlos.writeBits(imgdata[off+len],7,end);    // write end of line pixel
        rlos.flush();
        off+=len+1;
      }
View Full Code Here

Examples of uk.co.mmscomputing.io.ModHuffmanOutputStream

174
175
176
177
178
179
180
181
182
183
184
185
    }
  }

  private byte[] getWhiteLineCode(int width)throws IOException{
    ByteArrayOutputStream  baos=new ByteArrayOutputStream();
    ModHuffmanOutputStream mhos=new ModHuffmanOutputStream(baos);
    mhos.write(width);            
    mhos.flush();
    baos.write(0x00);baos.write(0x80); // for end of line synchronization
    mhos.close();
    return baos.toByteArray();         // 1728 white standard G3 fax line => B2 59 01 [00 80]
  }
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.