本文整理汇总了Java中java.awt.image.DataBuffer.getDataType方法的典型用法代码示例。如果您正苦于以下问题：Java DataBuffer.getDataType方法的具体用法？Java DataBuffer.getDataType怎么用？Java DataBuffer.getDataType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java.awt.image.DataBuffer的用法示例。
在下文中一共展示了DataBuffer.getDataType方法的1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: getData
import java.awt.image.DataBuffer; //导入方法依赖的package包/类
/**
* Copy data from array contained in data buffer, much like
* System.arraycopy. Create a suitable destination array if the
* given destination array is null.
*/
public static Object getData(DataBuffer src, int srcOffset,
Object dest, int dstOffset,
int length)
{
Object from;
switch(src.getDataType())
{
case DataBuffer.TYPE_BYTE:
if (dest == null) dest = new byte[length+dstOffset];
for(int i = 0; i < length; i++)
((byte[])dest)[i + dstOffset] = (byte)src.getElem(i + srcOffset);
break;
case DataBuffer.TYPE_DOUBLE:
if (dest == null) dest = new double[length+dstOffset];
for(int i = 0; i < length; i++)
((double[])dest)[i + dstOffset] = src.getElemDouble(i + srcOffset);
break;
case DataBuffer.TYPE_FLOAT:
if (dest == null) dest = new float[length+dstOffset];
for(int i = 0; i < length; i++)
((float[])dest)[i + dstOffset] = src.getElemFloat(i + srcOffset);
break;
case DataBuffer.TYPE_INT:
if (dest == null) dest = new int[length+dstOffset];
for(int i = 0; i < length; i++)
((int[])dest)[i + dstOffset] = src.getElem(i + srcOffset);
break;
case DataBuffer.TYPE_SHORT:
case DataBuffer.TYPE_USHORT:
if (dest == null) dest = new short[length+dstOffset];
for(int i = 0; i < length; i++)
((short[])dest)[i + dstOffset] = (short)src.getElem(i + srcOffset);
break;
case DataBuffer.TYPE_UNDEFINED:
throw new ClassCastException("Unknown data buffer type");
}
return dest;
}