本文整理汇总了Java中sun.awt.image.ByteComponentRaster.getDataOffset方法的典型用法代码示例。如果您正苦于以下问题：Java ByteComponentRaster.getDataOffset方法的具体用法？Java ByteComponentRaster.getDataOffset怎么用？Java ByteComponentRaster.getDataOffset使用的例子？那么, 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sun.awt.image.ByteComponentRaster的用法示例。
在下文中一共展示了ByteComponentRaster.getDataOffset方法的3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: createImageLayout
import sun.awt.image.ByteComponentRaster; //导入方法依赖的package包/类
public static LCMSImageLayout createImageLayout(Raster r) {
LCMSImageLayout l = new LCMSImageLayout();
if (r instanceof ByteComponentRaster &&
r.getSampleModel() instanceof ComponentSampleModel) {
ByteComponentRaster br = (ByteComponentRaster)r;
ComponentSampleModel csm = (ComponentSampleModel)r.getSampleModel();
l.pixelType = CHANNELS_SH(br.getNumBands()) | BYTES_SH(1);
int[] bandOffsets = csm.getBandOffsets();
BandOrder order = BandOrder.getBandOrder(bandOffsets);
int firstBand = 0;
switch (order) {
case INVERTED:
l.pixelType |= DOSWAP;
firstBand = csm.getNumBands() - 1;
break;
case DIRECT:
// do nothing
break;
default:
// unable to create the image layout;
return null;
}
l.nextRowOffset = br.getScanlineStride();
l.nextPixelOffset = br.getPixelStride();
l.offset = br.getDataOffset(firstBand);
l.dataArray = br.getDataStorage();
l.dataType = DT_BYTE;
l.width = br.getWidth();
l.height = br.getHeight();
if (l.nextRowOffset == l.width * br.getPixelStride()) {
l.imageAtOnce = true;
}
return l;
}
return null;
}
示例2: convertToRGB
import sun.awt.image.ByteComponentRaster; //导入方法依赖的package包/类
private void convertToRGB() {
int w = bimage.getWidth();
int h = bimage.getHeight();
int size = w*h;
DataBufferInt dbi = new DataBufferInt(size);
// Note that stealData() requires a markDirty() afterwards
// since we modify the data in it.
int newpixels[] = SunWritableRaster.stealData(dbi, 0);
if (cmodel instanceof IndexColorModel &&
biRaster instanceof ByteComponentRaster &&
biRaster.getNumDataElements() == 1)
{
ByteComponentRaster bct = (ByteComponentRaster) biRaster;
byte[] data = bct.getDataStorage();
int coff = bct.getDataOffset(0);
for (int i=0; i < size; i++) {
newpixels[i] = srcLUT[data[coff+i]&0xff];
}
}
else {
Object srcpixels = null;
int off=0;
for (int y=0; y < h; y++) {
for (int x=0; x < w; x++) {
srcpixels=biRaster.getDataElements(x, y, srcpixels);
newpixels[off++] = cmodel.getRGB(srcpixels);
}
}
}
// We modified the data array directly above so mark it as dirty now...
SunWritableRaster.markDirty(dbi);
isSameCM = false;
cmodel = ColorModel.getRGBdefault();
int bandMasks[] = {0x00ff0000,
0x0000ff00,
0x000000ff,
0xff000000};
biRaster = Raster.createPackedRaster(dbi,w,h,w,
bandMasks,null);
bimage = createImage(cmodel, biRaster,
cmodel.isAlphaPremultiplied(), null);
srcLUT = null;
isDefaultBI = true;
}
示例3: createImageLayout
import sun.awt.image.ByteComponentRaster; //导入方法依赖的package包/类
public static LCMSImageLayout createImageLayout(Raster r) {
LCMSImageLayout l = new LCMSImageLayout();
if (r instanceof ByteComponentRaster) {
ByteComponentRaster br = (ByteComponentRaster)r;
ComponentSampleModel csm = (ComponentSampleModel)r.getSampleModel();
l.pixelType = CHANNELS_SH(br.getNumBands()) | BYTES_SH(1);
int[] bandOffsets = csm.getBandOffsets();
BandOrder order = BandOrder.getBandOrder(bandOffsets);
int firstBand = 0;
switch (order) {
case INVERTED:
l.pixelType |= DOSWAP;
firstBand = csm.getNumBands() - 1;
break;
case DIRECT:
// do nothing
break;
default:
// unable to create the image layout;
return null;
}
l.nextRowOffset = br.getScanlineStride();
l.nextPixelOffset = br.getPixelStride();
l.offset = br.getDataOffset(firstBand);
l.dataArray = br.getDataStorage();
l.dataType = DT_BYTE;
l.width = br.getWidth();
l.height = br.getHeight();
if (l.nextRowOffset == l.width * br.getPixelStride()) {
l.imageAtOnce = true;
}
return l;
}
return null;
}