本文整理汇总了Java中java.nio.MappedByteBuffer.slice方法的典型用法代码示例。如果您正苦于以下问题：Java MappedByteBuffer.slice方法的具体用法？Java MappedByteBuffer.slice怎么用？Java MappedByteBuffer.slice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.nio.MappedByteBuffer的用法示例。
在下文中一共展示了MappedByteBuffer.slice方法的2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: createBadBuffers
import java.nio.MappedByteBuffer; //导入方法依赖的package包/类
@DataProvider(name = "badBuffers")
static Object[][] createBadBuffers() throws Exception {
FileChannel fc = FileChannel.open(bob);
closeables.add(fc);
MappedByteBuffer mbb = fc.map(FileChannel.MapMode.READ_ONLY, 0, 10);
return new Object[][] {
{ ByteBuffer.allocate(0) },
{ ByteBuffer.allocate(10) },
{ ByteBuffer.allocate(10).duplicate() },
{ ByteBuffer.allocate(10).slice() },
{ ByteBuffer.allocateDirect(10).duplicate() },
{ ByteBuffer.allocateDirect(10).slice() },
{ ByteBuffer.allocateDirect(0).duplicate() },
{ ByteBuffer.allocateDirect(0).slice() },
{ mbb.duplicate() },
{ mbb.slice() }
};
}
示例2: screenshot
import java.nio.MappedByteBuffer; //导入方法依赖的package包/类
/**
* Takes a screenshot of the current frame. This method is
* entirely copied from http://www.javagaming.org/forums/index.php?topic=8747.0
* @param gl FengGUIs opengl interface
* @param width the width of the screenshot
* @param height the height of the screenhost
* @param file the file where to store the screenshot
*/
private void screenshot(IOpenGL gl, int width, int height, File file)
{
try
{
RandomAccessFile out = new RandomAccessFile(file, "rw");
FileChannel ch = out.getChannel();
int fileLength = TARGA_HEADER_SIZE + width * height * 3;
out.setLength(fileLength);
MappedByteBuffer image = ch.map(FileChannel.MapMode.READ_WRITE, 0, fileLength);
// write the TARGA header
image.put(0, (byte) 0).put(1, (byte) 0);
image.put(2, (byte) 2); // uncompressed type
image.put(12, (byte) (width & 0xFF)); // width
image.put(13, (byte) (width >> 8)); // width
image.put(14, (byte) (height & 0xFF));// height
image.put(15, (byte) (height >> 8));// height
image.put(16, (byte) 24); // pixel size
// go to image data position
image.position(TARGA_HEADER_SIZE);
// jogl needs a sliced buffer
ByteBuffer bgr = image.slice();
// read the BGR values into the image buffer
gl.readPixels(0, 0, width, height, bgr);
// close the file channel
ch.close();
}
catch (Exception e)
{
e.printStackTrace();
}
}