本文整理汇总了Java中java.awt.image.DataBufferByte类的典型用法代码示例。如果您正苦于以下问题:Java DataBufferByte类的具体用法?Java DataBufferByte怎么用?Java DataBufferByte使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。
DataBufferByte类属于java.awt.image包,在下文中一共展示了DataBufferByte类的15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: conv_Mat
import java.awt.image.DataBufferByte; //导入依赖的package包/类
private Mat conv_Mat(BufferedImage img) {
byte[] data = ((DataBufferByte) img.getRaster().getDataBuffer()).getData();
Mat mat = new Mat(img.getHeight(), img.getWidth(), CvType.CV_8UC3);
mat.put(0, 0, data);
Mat mat1 = new Mat(img.getHeight(), img.getWidth(), CvType.CV_8UC3);
Imgproc.cvtColor(mat, mat1, Imgproc.COLOR_RGB2HSV);
return mat1;
}
开发者ID:javaspecial,项目名称:Face-detection-and-recognition-desktop-application,代码行数:10,代码来源:FaceRecognizeFrame.java
示例2: matrixToBuffer
import java.awt.image.DataBufferByte; //导入依赖的package包/类
/**
* Converts/writes a Mat into a BufferedImage.
*
* @param matBGR Mat of type CV_8UC3 or CV_8UC1
* @return BufferedImage of type TYPE_3BYTE_BGR or TYPE_BYTE_GRAY
*/
public static BufferedImage matrixToBuffer(Mat matBGR) {
int type = BufferedImage.TYPE_BYTE_GRAY;
if (matBGR.channels() > 1) {
type = BufferedImage.TYPE_3BYTE_BGR;
}
int width = matBGR.width(), height = matBGR.height(), channels = matBGR.channels();
byte[] sourcePixels = new byte[width * height * channels];
matBGR.get(0, 0, sourcePixels);
// Create new image and get reference to backing data
image = new BufferedImage(width, height, type);
final byte[] targetPixels = ((DataBufferByte) image.getRaster().getDataBuffer()).getData();
System.arraycopy(sourcePixels, 0, targetPixels, 0, sourcePixels.length);
return image;
}
示例3: convertPowerOf2
import java.awt.image.DataBufferByte; //导入依赖的package包/类
/**
* Converts the given image to a gl compatible format if necessary and returns the data in the format GL_RGBA as GL_UNSIGNED_BYTE
* such that the width and height are a power of 2. The image is place in the upper left corner.
* @param awtImage the image to be converted to an byte buffer
* @return nio buffer
*/
public static ByteBuffer convertPowerOf2(BufferedImage awtImage)
{
if(!isGlCompatibleAwtImage(awtImage) || !isPowerOf2(awtImage.getWidth()) || !isPowerOf2(awtImage.getHeight()))
{
int width = powerOf2(awtImage.getWidth());
int height = powerOf2(awtImage.getHeight());
BufferedImage convertImage = createGlCompatibleAwtImage(width, height);
// copy the source image into the produced image
Graphics g = convertImage.getGraphics();
g.setColor(new Color(0f, 0f, 0f, 0f));
g.fillRect(0, 0, width, height);
g.drawImage(awtImage, 0, 0, null);
awtImage = convertImage;
}
// build a byte buffer from the temporary image
// that be used by OpenGL to produce a texture.
byte[] data = ((DataBufferByte) awtImage.getRaster().getDataBuffer()).getData();
ByteBuffer imageBuffer = ByteBuffer.allocateDirect(data.length);
imageBuffer.order(ByteOrder.nativeOrder());
imageBuffer.put(data, 0, data.length);
imageBuffer.flip();
return imageBuffer;
}
示例4: makeImage
import java.awt.image.DataBufferByte; //导入依赖的package包/类
BufferedImage makeImage() {
// Generate 8-bit image
//Image img8;
byte[] pixels8;
int color16;
pixels8 = new byte[width*height];
for (int i=0; i<width*height; i++) {
color16 = rgb(pixels32[i]);
pixels8[i] = (byte)hist[color16];
}
SampleModel sampleModel = new PixelInterleavedSampleModel(DataBuffer.TYPE_BYTE, width, height, 1, width, new int[] {0});
DataBufferByte Buffer = new DataBufferByte(pixels8, pixels8.length);
WritableRaster raster = Raster.createWritableRaster(sampleModel, Buffer, null);
return new BufferedImage(cm, raster, false, null);
}
示例5: getImage
import java.awt.image.DataBufferByte; //导入依赖的package包/类
@Override
public BufferedImage getImage()
{
ByteBuffer buffer = this.getImageBytes();
if (buffer == null)
{
LOG.error("Images bytes buffer is null!");
return null;
}
byte[] bytes = new byte[this.size.width * this.size.height * 3];
byte[][] data = new byte[][] { bytes };
buffer.get(bytes);
DataBufferByte dbuf = new DataBufferByte(data, bytes.length, OFFSET);
WritableRaster raster = Raster.createWritableRaster(this.smodel, dbuf, null);
BufferedImage bi = new BufferedImage(this.cmodel, raster, false, null);
bi.flush();
return bi;
}
示例6: read24BitBitmap
import java.awt.image.DataBufferByte; //导入依赖的package包/类
private static BufferedImage read24BitBitmap(int nSizeImage, int nHeight, int nWidth, InputStream input) throws IOException {
int npad = (nSizeImage / nHeight) - nWidth * 3;
if (npad == 4 || npad < 0)
npad = 0;
int nindex = 0;
BufferedImage bufferedImage = new BufferedImage(nWidth, nHeight, BufferedImage.TYPE_4BYTE_ABGR);
DataBufferByte dataBufferByte = ((DataBufferByte) bufferedImage.getRaster().getDataBuffer());
byte[][] bankData = dataBufferByte.getBankData();
byte brgb[] = new byte[(nWidth + npad) * 3 * nHeight];
readBuffer(input, brgb);
for (int j = nHeight - 1; j >= 0; j--) {
for (int i = 0; i < nWidth; i++) {
int base = (j * nWidth + i) * 4;
bankData[0][base] = (byte) 255;
bankData[0][base + 1] = brgb[nindex];
bankData[0][base + 2] = brgb[nindex + 1];
bankData[0][base + 3] = brgb[nindex + 2];
nindex += 3;
}
nindex += npad;
}
return bufferedImage;
}
示例7: prepare
import java.awt.image.DataBufferByte; //导入依赖的package包/类
@Before
public void prepare() {
try {
File _file = new File(imgFilePath);
BufferedImage inputImage = ImageIO.read(_file);
inputImage = resizeImageWithHint(inputImage, inputImage.getType(), size, size);
height = inputImage.getHeight();
width = inputImage.getWidth();
outputImageCPU = new BufferedImage(width, height, inputImage.getType());
outputImageGPU = new BufferedImage(width, height, inputImage.getType());
outputImageApar = new BufferedImage(width, height, inputImage.getType());
imageIn = ((DataBufferByte) inputImage.getRaster().getDataBuffer()).getData();
imageOutCPU = ((DataBufferByte) outputImageCPU.getRaster().getDataBuffer()).getData();
imageOutGPU = ((DataBufferByte) outputImageGPU.getRaster().getDataBuffer()).getData();
imageOutApar = ((DataBufferByte) outputImageApar.getRaster().getDataBuffer()).getData();
} catch (IOException e) {
e.printStackTrace();
}
}
示例8: loadFromFile
import java.awt.image.DataBufferByte; //导入依赖的package包/类
private int[][] loadFromFile(BufferedImage image) {
final byte[] pixels = ((DataBufferByte) image.getData().getDataBuffer())
.getData();
final int width = image.getWidth();
if (rgbData == null)
rgbData = new int[image.getHeight()][width];
for (int pixel = 0, row = 0; pixel < pixels.length; row++)
for (int col = 0; col < width; col++, pixel += 3)
rgbData[row][col] = -16777216 + ((int) pixels[pixel] & 0xFF)
+ (((int) pixels[pixel + 1] & 0xFF) << 8)
+ (((int) pixels[pixel + 2] & 0xFF) << 16); // 255
// alpha, r
// g b;
return rgbData;
}
示例9: matToBufferedImage
import java.awt.image.DataBufferByte; //导入依赖的package包/类
public static Image matToBufferedImage(Mat m)
{
// just a simple convertor from web, this code is the fastest one
int type = BufferedImage.TYPE_BYTE_GRAY;
if ( m.channels() > 1 ) {
type = BufferedImage.TYPE_3BYTE_BGR;
}
int bufferSize = m.channels()*m.cols()*m.rows();
byte [] b = new byte[bufferSize];
m.get(0,0,b);
BufferedImage image = new BufferedImage(m.cols(),m.rows(), type);
final byte[] targetPixels = ((DataBufferByte) image.getRaster().getDataBuffer()).getData();
System.arraycopy(b, 0, targetPixels, 0, b.length);
return image;
}
示例10: matToBufferedImage
import java.awt.image.DataBufferByte; //导入依赖的package包/类
public static Image matToBufferedImage(Mat m)
{
// just a simple convertor from web, this code is the fastest one
int type = BufferedImage.TYPE_BYTE_GRAY;
if ( m.channels() > 1 ) {
type = BufferedImage.TYPE_3BYTE_BGR;
}
int bufferSize = m.channels()*m.cols()*m.rows();
byte [] b = new byte[bufferSize];
m.get(0,0,b);
BufferedImage image = new BufferedImage(m.cols(),m.rows(), type);
final byte[] targetPixels = ((DataBufferByte) image.getRaster().getDataBuffer()).getData();
System.arraycopy(b, 0, targetPixels, 0, b.length);
return image;
}
示例11: makeImage
import java.awt.image.DataBufferByte; //导入依赖的package包/类
public Image makeImage(TestEnvironment env, int w, int h) {
BufferedImage img = new BufferedImage(w, h, type);
if (unmanaged) {
DataBuffer db = img.getRaster().getDataBuffer();
if (db instanceof DataBufferInt) {
((DataBufferInt)db).getData();
} else if (db instanceof DataBufferShort) {
((DataBufferShort)db).getData();
} else if (db instanceof DataBufferByte) {
((DataBufferByte)db).getData();
} else {
try {
img.setAccelerationPriority(0.0f);
} catch (Throwable e) {}
}
}
return img;
}
示例12: createBuffer
import java.awt.image.DataBufferByte; //导入依赖的package包/类
/**
* Create a data buffer of a particular type.
*
* @param dataType the desired data type of the buffer.
* @param size the size of the data buffer bank
* @param numBanks the number of banks the buffer should have
*/
public static DataBuffer createBuffer(int dataType, int size, int numBanks)
{
switch (dataType)
{
case DataBuffer.TYPE_BYTE:
return new DataBufferByte(size, numBanks);
case DataBuffer.TYPE_SHORT:
return new DataBufferShort(size, numBanks);
case DataBuffer.TYPE_USHORT:
return new DataBufferUShort(size, numBanks);
case DataBuffer.TYPE_INT:
return new DataBufferInt(size, numBanks);
case DataBuffer.TYPE_FLOAT:
return new DataBufferFloat(size, numBanks);
case DataBuffer.TYPE_DOUBLE:
return new DataBufferDouble(size, numBanks);
default:
throw new UnsupportedOperationException();
}
}
示例13: createBufferFromData
import java.awt.image.DataBufferByte; //导入依赖的package包/类
/**
* Create a data buffer of a particular type.
*
* @param dataType the desired data type of the buffer
* @param data an array containing the data
* @param size the size of the data buffer bank
*/
public static DataBuffer createBufferFromData(int dataType, Object data,
int size)
{
switch (dataType)
{
case DataBuffer.TYPE_BYTE:
return new DataBufferByte((byte[]) data, size);
case DataBuffer.TYPE_SHORT:
return new DataBufferShort((short[]) data, size);
case DataBuffer.TYPE_USHORT:
return new DataBufferUShort((short[]) data, size);
case DataBuffer.TYPE_INT:
return new DataBufferInt((int[]) data, size);
case DataBuffer.TYPE_FLOAT:
return new DataBufferFloat((float[]) data, size);
case DataBuffer.TYPE_DOUBLE:
return new DataBufferDouble((double[]) data, size);
default:
throw new UnsupportedOperationException();
}
}
示例14: bufferedImage2Mat
import java.awt.image.DataBufferByte; //导入依赖的package包/类
/**
* Converts a buffered image object in to an openCV mat.
* @param image buffered image
* @return mat
*/
public static Mat bufferedImage2Mat(BufferedImage image){
byte[] data = ((DataBufferByte) image.getRaster().getDataBuffer()).getData();
Mat mat = new Mat(image.getHeight(), image.getWidth(), CvType.CV_8UC3);
mat.put(0, 0, data);
return mat;
}
示例15: makeUnmanagedBI
import java.awt.image.DataBufferByte; //导入依赖的package包/类
private static BufferedImage makeUnmanagedBI(GraphicsConfiguration gc,
int type) {
BufferedImage img = gc.createCompatibleImage(SIZE, SIZE, type);
Graphics2D g2d = img.createGraphics();
g2d.setColor(RGB);
g2d.fillRect(0, 0, SIZE, SIZE);
g2d.dispose();
final DataBuffer db = img.getRaster().getDataBuffer();
if (db instanceof DataBufferInt) {
((DataBufferInt) db).getData();
} else if (db instanceof DataBufferShort) {
((DataBufferShort) db).getData();
} else if (db instanceof DataBufferByte) {
((DataBufferByte) db).getData();
} else {
try {
img.setAccelerationPriority(0.0f);
} catch (final Throwable ignored) {
}
}
return img;
}