当前位置: 首页>>代码示例>>Java>>正文

Java PixelAccessor.getPackedPixels方法代码示例

本文整理汇总了Java中javax.media.jai.PixelAccessor.getPackedPixels方法的典型用法代码示例。如果您正苦于以下问题：Java PixelAccessor.getPackedPixels方法的具体用法？Java PixelAccessor.getPackedPixels怎么用？Java PixelAccessor.getPackedPixels使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.media.jai.PixelAccessor的用法示例。


在下文中一共展示了PixelAccessor.getPackedPixels方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: floatLoop

import javax.media.jai.PixelAccessor; //导入方法依赖的package包/类
private void floatLoop(Raster source,
		  WritableRaster dest,
		  Rectangle destRect){

Rectangle srcRect = mapDestRect(destRect,0); // should be identical to destRect

       PixelAccessor   pa  = new PixelAccessor(dest.getSampleModel(), null);
       PackedImageData pid = pa.getPackedPixels(dest, destRect, true, false);
int offset = pid.offset;
       PixelAccessor   srcPa  = new PixelAccessor(source.getSampleModel(), null);

       UnpackedImageData srcImD = srcPa.getPixels(source, srcRect, DataBuffer.TYPE_FLOAT, false);
int srcOffset  = srcImD.bandOffsets[0];
float[] srcData = ((float[][])srcImD.data)[0];
int pixelStride= srcImD.pixelStride;

int ind0 = pid.bitOffset;
for(int h = 0; h < destRect.height; h++){
   int indE = ind0 + destRect.width;
   for(int b = ind0, s = srcOffset; b < indE; b++, s += pixelStride){
     if (srcData[s]>threshold) {
                pid.data[offset + (b >> 3)] |= byteTable[b%8];
            }
   }
   offset += pid.lineStride;
   srcOffset += srcImD.lineStride;
}
pa.setPackedPixels(pid);
   }
开发者ID:RoProducts，项目名称:rastertheque，代码行数:30，代码来源:BinarizeOpImage.java

示例2: doubleLoop

import javax.media.jai.PixelAccessor; //导入方法依赖的package包/类
private void doubleLoop(Raster source,
		  WritableRaster dest,
		  Rectangle destRect){

Rectangle srcRect = mapDestRect(destRect,0); // should be identical to destRect

       PixelAccessor   pa  = new PixelAccessor(dest.getSampleModel(), null);
       PackedImageData pid = pa.getPackedPixels(dest, destRect, true, false);
int offset = pid.offset;
       PixelAccessor   srcPa  = new PixelAccessor(source.getSampleModel(), null);

       UnpackedImageData srcImD = srcPa.getPixels(source, srcRect, DataBuffer.TYPE_DOUBLE, false);
int srcOffset  = srcImD.bandOffsets[0];
double[] srcData = ((double[][])srcImD.data)[0];
int pixelStride= srcImD.pixelStride;

int ind0 = pid.bitOffset;
for(int h = 0; h < destRect.height; h++){
   int indE = ind0 + destRect.width;
   for(int b = ind0, s = srcOffset; b < indE; b++, s += pixelStride){
     if (srcData[s]>threshold) {
                pid.data[offset + (b >> 3)] |= byteTable[b%8];
            }
   }
   offset += pid.lineStride;
   srcOffset += srcImD.lineStride;
}
pa.setPackedPixels(pid);
   }
开发者ID:RoProducts，项目名称:rastertheque，代码行数:30，代码来源:BinarizeOpImage.java

示例3: setTo1

import javax.media.jai.PixelAccessor; //导入方法依赖的package包/类
private void setTo1(Raster dest, Rectangle destRect){
       initBitsOn();
       PixelAccessor   pa  = new PixelAccessor(dest.getSampleModel(), null);
       PackedImageData pid = pa.getPackedPixels(dest, destRect, true, false);
int offset = pid.offset;

for(int h = 0; h < destRect.height; h++){
   int ind0 = pid.bitOffset;
   int indE = ind0 + destRect.width - 1;
   if (indE < 8){
      // the entire row in data[offset]
      pid.data[offset] = (byte)(pid.data[offset] | bitsOn[indE]); // (0<<3) + indE
   }else{
   	      //1st byte
      pid.data[offset] = (byte)(pid.data[offset] | bitsOn[7]); // (0<<3) + 7
      //middle bytes
      for(int b = offset + 1; b <= offset +  (indE-7)/8; b++){
	 pid.data[b] = (byte)(0xff);
      }
      //last byte

      int remBits = indE % 8;
      if(remBits % 8 != 7){
	  indE = offset + indE/8;
	  pid.data[indE] = (byte)(pid.data[indE] | bitsOn[remBits]); // (0<<3)+remBits
      }
   }
   offset += pid.lineStride;
}
pa.setPackedPixels(pid);
   }
开发者ID:RoProducts，项目名称:rastertheque，代码行数:32，代码来源:BinarizeOpImage.java

示例4: byteLoop

import javax.media.jai.PixelAccessor; //导入方法依赖的package包/类
private void byteLoop(Raster source,
		  WritableRaster dest,
		  Rectangle destRect){

       if(threshold <= 0.0D){
    // every bit is 1
    setTo1(dest, destRect);
    return;
}else if (threshold > 255.0D){
    //every bit is zeros;
    return;
}

short thresholdI = (short)Math.ceil(threshold);
// computation can be done in integer
// even though threshold is of double type
// int thresholdI = (int)Math.ceil(this.threshold);
// or through a lookup table for byte case

Rectangle srcRect = mapDestRect(destRect,0); // should be identical to destRect

       PixelAccessor   pa  = new PixelAccessor(dest.getSampleModel(), null);
       PackedImageData pid = pa.getPackedPixels(dest, destRect, true, false);
int offset = pid.offset;
       PixelAccessor   srcPa  = new PixelAccessor(source.getSampleModel(), null);

       UnpackedImageData srcImD = srcPa.getPixels(source, srcRect, DataBuffer.TYPE_BYTE, false);
int srcOffset  = srcImD.bandOffsets[0];
byte[] srcData = ((byte[][])srcImD.data)[0];
int pixelStride= srcImD.pixelStride;

int ind0 = pid.bitOffset;
for(int h = 0; h < destRect.height; h++){
   int indE = ind0 + destRect.width;
   for(int b = ind0, s = srcOffset; b < indE; b++, s += pixelStride){
              if((srcData[s]&0xFF) >= thresholdI) {
                  pid.data[offset + (b >> 3)] |= byteTable[b%8];
              }
   }
   offset += pid.lineStride;
   srcOffset += srcImD.lineStride;
}
pa.setPackedPixels(pid);
   }
开发者ID:RoProducts，项目名称:rastertheque，代码行数:45，代码来源:BinarizeOpImage.java

示例5: shortLoop

import javax.media.jai.PixelAccessor; //导入方法依赖的package包/类
private void shortLoop(Raster source,
		  WritableRaster dest,
		  Rectangle destRect){

       if(threshold <= Short.MIN_VALUE){
    // every bit is 1
    setTo1(dest, destRect);
    return;
}else if (threshold > Short.MAX_VALUE){
    //every bit is zeros;
    return;
}
 
short thresholdS = (short)( Math.ceil(threshold));
// computation can be done in integer
// even though threshold is of double type
// int thresholdI = (int)Math.ceil(this.threshold);
// or through a lookup table for byte case

Rectangle srcRect = mapDestRect(destRect,0); // should be identical to destRect

       PixelAccessor   pa  = new PixelAccessor(dest.getSampleModel(), null);
       PackedImageData pid = pa.getPackedPixels(dest, destRect, true, false);
int offset = pid.offset;
       PixelAccessor   srcPa  = new PixelAccessor(source.getSampleModel(), null);

       UnpackedImageData srcImD = srcPa.getPixels(source, srcRect, DataBuffer.TYPE_SHORT, false);
int srcOffset  = srcImD.bandOffsets[0];
short[] srcData = ((short[][])srcImD.data)[0];
int pixelStride= srcImD.pixelStride;

int ind0 = pid.bitOffset;
for(int h = 0; h < destRect.height; h++){
   int indE = ind0 + destRect.width;
   for(int b = ind0, s = srcOffset; b < indE; b++, s += pixelStride){
              if(srcData[s] >= thresholdS) {
                  pid.data[offset + (b >> 3)] |= byteTable[b%8];
              }
   }
   offset += pid.lineStride;
   srcOffset += srcImD.lineStride;
}
pa.setPackedPixels(pid);
   }
开发者ID:RoProducts，项目名称:rastertheque，代码行数:45，代码来源:BinarizeOpImage.java

示例6: ushortLoop

import javax.media.jai.PixelAccessor; //导入方法依赖的package包/类
private void ushortLoop(Raster source,
		  WritableRaster dest,
		  Rectangle destRect){

       if(threshold <= 0.0D){
    // every bit is 1
    setTo1(dest, destRect);
    return;
}else if (threshold > (double)(0xFFFF)){
    //every bit is zeros;
    return;
}
 
int thresholdI = (int)( Math.ceil(threshold));
// computation can be done in integer
// even though threshold is of double type
// int thresholdI = (int)Math.ceil(this.threshold);
// or through a lookup table for byte case

Rectangle srcRect = mapDestRect(destRect,0); // should be identical to destRect

       PixelAccessor   pa  = new PixelAccessor(dest.getSampleModel(), null);
       PackedImageData pid = pa.getPackedPixels(dest, destRect, true, false);
int offset = pid.offset;
       PixelAccessor   srcPa  = new PixelAccessor(source.getSampleModel(), null);

       UnpackedImageData srcImD = srcPa.getPixels(source, srcRect, DataBuffer.TYPE_USHORT, false);
int srcOffset  = srcImD.bandOffsets[0];
short[] srcData = ((short[][])srcImD.data)[0];
int pixelStride= srcImD.pixelStride;

int ind0 = pid.bitOffset;
for(int h = 0; h < destRect.height; h++){
   int indE = ind0 + destRect.width;
   for(int b = ind0, s = srcOffset; b < indE; b++, s += pixelStride){
              if((srcData[s]&0xFFFF) >= thresholdI) {
                  pid.data[offset + (b >> 3)] |= byteTable[b%8];
              }
   }
   offset += pid.lineStride;
   srcOffset += srcImD.lineStride;
}
pa.setPackedPixels(pid);
   }
开发者ID:RoProducts，项目名称:rastertheque，代码行数:45，代码来源:BinarizeOpImage.java

示例7: intLoop

import javax.media.jai.PixelAccessor; //导入方法依赖的package包/类
private void intLoop(Raster source,
		  WritableRaster dest,
		  Rectangle destRect){

       if(threshold <= Integer.MIN_VALUE){
    // every bit is 1
    setTo1(dest, destRect);
    return;
}else if (threshold > (double)Integer.MAX_VALUE){
    //every bit is zeros;
    return;
}
 
// computation can be done in integer
// even though threshold is of double type
int thresholdI = (int)Math.ceil(this.threshold);

// computation can be done in integer
// even though threshold is of double type
// int thresholdI = (int)Math.ceil(this.threshold);

Rectangle srcRect = mapDestRect(destRect,0); // should be identical to destRect

       PixelAccessor   pa  = new PixelAccessor(dest.getSampleModel(), null);
       PackedImageData pid = pa.getPackedPixels(dest, destRect, true, false);
int offset = pid.offset;
       PixelAccessor   srcPa  = new PixelAccessor(source.getSampleModel(), null);

       UnpackedImageData srcImD = srcPa.getPixels(source, srcRect, DataBuffer.TYPE_INT, false);
int srcOffset  = srcImD.bandOffsets[0];
int[] srcData = ((int[][])srcImD.data)[0];
int pixelStride= srcImD.pixelStride;

int ind0 = pid.bitOffset;
for(int h = 0; h < destRect.height; h++){
   int indE = ind0 + destRect.width;
   for(int b = ind0, s = srcOffset; b < indE; b++, s += pixelStride){
              if(srcData[s] >= threshold) {
                  pid.data[offset + (b >> 3)] |= byteTable[b%8];
              }
          }
   offset += pid.lineStride;
   srcOffset += srcImD.lineStride;
}
pa.setPackedPixels(pid);
   }
开发者ID:RoProducts，项目名称:rastertheque，代码行数:47，代码来源:BinarizeOpImage.java


注：本文中的javax.media.jai.PixelAccessor.getPackedPixels方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。