下面列出了java.awt.image.DataBufferInt#getNumBanks() 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
@Test
public void testWriteImageRaw_happyCase() throws ImageWriteException,
ImageReadException, IOException {
final BufferedImage srcImage = new BufferedImage(10, 10, BufferedImage.TYPE_INT_ARGB);
final Map<String, Object> params = new HashMap<>();
params.put(PnmImageParser.PARAM_KEY_PNM_RAWBITS, PnmImageParser.PARAM_VALUE_PNM_RAWBITS_YES);
final byte[] dstBytes = Imaging.writeImageToBytes(srcImage, ImageFormats.PNM, params);
final BufferedImage dstImage = Imaging.getBufferedImage(dstBytes);
assertTrue(srcImage.getWidth() == dstImage.getWidth());
assertTrue(srcImage.getHeight() == dstImage.getHeight());
final DataBufferInt srcData = (DataBufferInt) srcImage.getRaster().getDataBuffer();
final DataBufferInt dstData = (DataBufferInt) dstImage.getRaster().getDataBuffer();
for (int bank = 0; bank < srcData.getNumBanks(); bank++) {
final int[] actual = srcData.getData(bank);
final int[] expected = dstData.getData(bank);
assertArrayEquals(actual, expected);
}
}
public static boolean bufferedImagesEqualQuick(BufferedImage image1, BufferedImage image2) {
DataBuffer dataBuffer1 = image1.getRaster().getDataBuffer();
DataBuffer dataBuffer2 = image2.getRaster().getDataBuffer();
if (dataBuffer1 instanceof DataBufferByte && dataBuffer2 instanceof DataBufferByte) {
DataBufferByte dataBufferBytes1 = (DataBufferByte) dataBuffer1;
DataBufferByte dataBufferBytes2 = (DataBufferByte) dataBuffer2;
for (int bank = 0; bank < dataBufferBytes1.getNumBanks(); bank++) {
byte[] bytes1 = dataBufferBytes1.getData(bank);
byte[] bytes2 = dataBufferBytes2.getData(bank);
if (!Arrays.equals(bytes1, bytes2)) {
return false;
}
}
} else if (dataBuffer1 instanceof DataBufferInt && dataBuffer2 instanceof DataBufferInt) {
DataBufferInt dataBufferInt1 = (DataBufferInt) dataBuffer1;
DataBufferInt dataBufferInt2 = (DataBufferInt) dataBuffer2;
for (int bank = 0; bank < dataBufferInt1.getNumBanks(); bank++) {
int[] ints1 = dataBufferInt1.getData(bank);
int[] ints2 = dataBufferInt2.getData(bank);
if (!Arrays.equals(ints1, ints2)) {
return false;
}
}
} else {
return false;
}
return true;
}
/**
* Compares whether two {@link BufferedImage}s are equal in data.
*
* @param expected The first {@link BufferedImage} to be compared.
* @param actual The second {@link BufferedImage} to be compared.
* @return A boolean indicating whether the given {@link BufferedImage}s are of the same image data.
*/
private boolean bufferedImagesEqual(final @Nonnull BufferedImage expected, final @Nonnull BufferedImage actual)
{
if (expected.getWidth() != actual.getWidth())
{
return false;
}
if (!expected.getColorModel().equals(actual.getColorModel()))
{
return false;
}
final DataBuffer aBuffer = expected.getRaster().getDataBuffer();
final DataBuffer bBuffer = actual.getRaster().getDataBuffer();
final DataBufferInt aBufferInt = (DataBufferInt) aBuffer;
final DataBufferInt bBufferInt = (DataBufferInt) bBuffer;
if (aBufferInt.getNumBanks() != bBufferInt.getNumBanks())
{
return false;
}
for (int i = 0; i < aBufferInt.getNumBanks(); i++)
{
final int[] aDataBank = aBufferInt.getData(i);
final int[] bDataBank = bBufferInt.getData(i);
if (!Arrays.equals(aDataBank, bDataBank))
{
return false;
}
}
return true;
}
/**
* Constructs a IntegerComponentRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate in the new Raster's coordinate system of
* the origin of the base Raster. (The base Raster is the Raster's
* ancestor which has no parent.)
*
* Note that this constructor should generally be called by other
* constructors or create methods, it should not be used directly.
* @param sampleModel The SampleModel that specifies the layout.
* @param dataBuffer The DataBufferInt that contains the image data.
* @param aRegion The Rectangle that specifies the image area.
* @param origin The Point that specifies the origin.
* @param parent The parent (if any) of this raster.
*/
public IntegerComponentRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerComponentRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerComponentRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
if (dbi.getNumBanks() != 1) {
throw new
RasterFormatException("DataBuffer for IntegerComponentRasters"+
" must only have 1 bank.");
}
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
int[] boffsets = sppsm.getBitOffsets();
boolean notByteBoundary = false;
for (int i=1; i < boffsets.length; i++) {
if ((boffsets[i]%8) != 0) {
notByteBoundary = true;
}
}
this.type = (notByteBoundary
? IntegerComponentRaster.TYPE_INT_PACKED_SAMPLES
: IntegerComponentRaster.TYPE_INT_8BIT_SAMPLES);
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerComponentRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerComponentRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate in the new Raster's coordinate system of
* the origin of the base Raster. (The base Raster is the Raster's
* ancestor which has no parent.)
*
* Note that this constructor should generally be called by other
* constructors or create methods, it should not be used directly.
* @param sampleModel The SampleModel that specifies the layout.
* @param dataBuffer The DataBufferInt that contains the image data.
* @param aRegion The Rectangle that specifies the image area.
* @param origin The Point that specifies the origin.
* @param parent The parent (if any) of this raster.
*/
public IntegerComponentRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerComponentRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerComponentRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
if (dbi.getNumBanks() != 1) {
throw new
RasterFormatException("DataBuffer for IntegerComponentRasters"+
" must only have 1 bank.");
}
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
int[] boffsets = sppsm.getBitOffsets();
boolean notByteBoundary = false;
for (int i=1; i < boffsets.length; i++) {
if ((boffsets[i]%8) != 0) {
notByteBoundary = true;
}
}
this.type = (notByteBoundary
? IntegerComponentRaster.TYPE_INT_PACKED_SAMPLES
: IntegerComponentRaster.TYPE_INT_8BIT_SAMPLES);
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerComponentRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerComponentRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate in the new Raster's coordinate system of
* the origin of the base Raster. (The base Raster is the Raster's
* ancestor which has no parent.)
*
* Note that this constructor should generally be called by other
* constructors or create methods, it should not be used directly.
* @param sampleModel The SampleModel that specifies the layout.
* @param dataBuffer The DataBufferInt that contains the image data.
* @param aRegion The Rectangle that specifies the image area.
* @param origin The Point that specifies the origin.
* @param parent The parent (if any) of this raster.
*/
public IntegerComponentRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerComponentRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerComponentRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
if (dbi.getNumBanks() != 1) {
throw new
RasterFormatException("DataBuffer for IntegerComponentRasters"+
" must only have 1 bank.");
}
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
int[] boffsets = sppsm.getBitOffsets();
boolean notByteBoundary = false;
for (int i=1; i < boffsets.length; i++) {
if ((boffsets[i]%8) != 0) {
notByteBoundary = true;
}
}
this.type = (notByteBoundary
? IntegerComponentRaster.TYPE_INT_PACKED_SAMPLES
: IntegerComponentRaster.TYPE_INT_8BIT_SAMPLES);
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerComponentRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerComponentRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate in the new Raster's coordinate system of
* the origin of the base Raster. (The base Raster is the Raster's
* ancestor which has no parent.)
*
* Note that this constructor should generally be called by other
* constructors or create methods, it should not be used directly.
* @param sampleModel The SampleModel that specifies the layout.
* @param dataBuffer The DataBufferInt that contains the image data.
* @param aRegion The Rectangle that specifies the image area.
* @param origin The Point that specifies the origin.
* @param parent The parent (if any) of this raster.
*/
public IntegerComponentRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerComponentRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerComponentRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
if (dbi.getNumBanks() != 1) {
throw new
RasterFormatException("DataBuffer for IntegerComponentRasters"+
" must only have 1 bank.");
}
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
int[] boffsets = sppsm.getBitOffsets();
boolean notByteBoundary = false;
for (int i=1; i < boffsets.length; i++) {
if ((boffsets[i]%8) != 0) {
notByteBoundary = true;
}
}
this.type = (notByteBoundary
? IntegerComponentRaster.TYPE_INT_PACKED_SAMPLES
: IntegerComponentRaster.TYPE_INT_8BIT_SAMPLES);
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerComponentRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerComponentRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate in the new Raster's coordinate system of
* the origin of the base Raster. (The base Raster is the Raster's
* ancestor which has no parent.)
*
* Note that this constructor should generally be called by other
* constructors or create methods, it should not be used directly.
* @param sampleModel The SampleModel that specifies the layout.
* @param dataBuffer The DataBufferInt that contains the image data.
* @param aRegion The Rectangle that specifies the image area.
* @param origin The Point that specifies the origin.
* @param parent The parent (if any) of this raster.
*/
public IntegerComponentRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerComponentRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerComponentRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
if (dbi.getNumBanks() != 1) {
throw new
RasterFormatException("DataBuffer for IntegerComponentRasters"+
" must only have 1 bank.");
}
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
int[] boffsets = sppsm.getBitOffsets();
boolean notByteBoundary = false;
for (int i=1; i < boffsets.length; i++) {
if ((boffsets[i]%8) != 0) {
notByteBoundary = true;
}
}
this.type = (notByteBoundary
? IntegerComponentRaster.TYPE_INT_PACKED_SAMPLES
: IntegerComponentRaster.TYPE_INT_8BIT_SAMPLES);
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerComponentRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerComponentRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate in the new Raster's coordinate system of
* the origin of the base Raster. (The base Raster is the Raster's
* ancestor which has no parent.)
*
* Note that this constructor should generally be called by other
* constructors or create methods, it should not be used directly.
* @param sampleModel The SampleModel that specifies the layout.
* @param dataBuffer The DataBufferInt that contains the image data.
* @param aRegion The Rectangle that specifies the image area.
* @param origin The Point that specifies the origin.
* @param parent The parent (if any) of this raster.
*/
public IntegerComponentRaster(SampleModel sampleModel,
DataBufferInt dataBuffer,
Rectangle aRegion,
Point origin,
IntegerComponentRaster parent)
{
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (dataBuffer.getNumBanks() != 1) {
throw new
RasterFormatException("DataBuffer for IntegerComponentRasters"+
" must only have 1 bank.");
}
this.data = stealData(dataBuffer, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
int[] boffsets = sppsm.getBitOffsets();
boolean notByteBoundary = false;
for (int i=1; i < boffsets.length; i++) {
if ((boffsets[i]%8) != 0) {
notByteBoundary = true;
}
}
this.type = (notByteBoundary
? IntegerComponentRaster.TYPE_INT_PACKED_SAMPLES
: IntegerComponentRaster.TYPE_INT_8BIT_SAMPLES);
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dataBuffer.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerComponentRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerComponentRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate in the new Raster's coordinate system of
* the origin of the base Raster. (The base Raster is the Raster's
* ancestor which has no parent.)
*
* Note that this constructor should generally be called by other
* constructors or create methods, it should not be used directly.
* @param sampleModel The SampleModel that specifies the layout.
* @param dataBuffer The DataBufferInt that contains the image data.
* @param aRegion The Rectangle that specifies the image area.
* @param origin The Point that specifies the origin.
* @param parent The parent (if any) of this raster.
*/
public IntegerComponentRaster(SampleModel sampleModel,
DataBufferInt dataBuffer,
Rectangle aRegion,
Point origin,
IntegerComponentRaster parent)
{
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (dataBuffer.getNumBanks() != 1) {
throw new
RasterFormatException("DataBuffer for IntegerComponentRasters"+
" must only have 1 bank.");
}
this.data = stealData(dataBuffer, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
int[] boffsets = sppsm.getBitOffsets();
boolean notByteBoundary = false;
for (int i=1; i < boffsets.length; i++) {
if ((boffsets[i]%8) != 0) {
notByteBoundary = true;
}
}
this.type = (notByteBoundary
? IntegerComponentRaster.TYPE_INT_PACKED_SAMPLES
: IntegerComponentRaster.TYPE_INT_8BIT_SAMPLES);
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dataBuffer.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerComponentRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerComponentRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate in the new Raster's coordinate system of
* the origin of the base Raster. (The base Raster is the Raster's
* ancestor which has no parent.)
*
* Note that this constructor should generally be called by other
* constructors or create methods, it should not be used directly.
* @param sampleModel The SampleModel that specifies the layout.
* @param dataBuffer The DataBufferInt that contains the image data.
* @param aRegion The Rectangle that specifies the image area.
* @param origin The Point that specifies the origin.
* @param parent The parent (if any) of this raster.
*/
public IntegerComponentRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerComponentRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerComponentRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
if (dbi.getNumBanks() != 1) {
throw new
RasterFormatException("DataBuffer for IntegerComponentRasters"+
" must only have 1 bank.");
}
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
int[] boffsets = sppsm.getBitOffsets();
boolean notByteBoundary = false;
for (int i=1; i < boffsets.length; i++) {
if ((boffsets[i]%8) != 0) {
notByteBoundary = true;
}
}
this.type = (notByteBoundary
? IntegerComponentRaster.TYPE_INT_PACKED_SAMPLES
: IntegerComponentRaster.TYPE_INT_8BIT_SAMPLES);
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerComponentRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerComponentRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate in the new Raster's coordinate system of
* the origin of the base Raster. (The base Raster is the Raster's
* ancestor which has no parent.)
*
* Note that this constructor should generally be called by other
* constructors or create methods, it should not be used directly.
* @param sampleModel The SampleModel that specifies the layout.
* @param dataBuffer The DataBufferInt that contains the image data.
* @param aRegion The Rectangle that specifies the image area.
* @param origin The Point that specifies the origin.
* @param parent The parent (if any) of this raster.
*/
public IntegerComponentRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerComponentRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerComponentRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
if (dbi.getNumBanks() != 1) {
throw new
RasterFormatException("DataBuffer for IntegerComponentRasters"+
" must only have 1 bank.");
}
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
int[] boffsets = sppsm.getBitOffsets();
boolean notByteBoundary = false;
for (int i=1; i < boffsets.length; i++) {
if ((boffsets[i]%8) != 0) {
notByteBoundary = true;
}
}
this.type = (notByteBoundary
? IntegerComponentRaster.TYPE_INT_PACKED_SAMPLES
: IntegerComponentRaster.TYPE_INT_8BIT_SAMPLES);
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerComponentRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerComponentRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate in the new Raster's coordinate system of
* the origin of the base Raster. (The base Raster is the Raster's
* ancestor which has no parent.)
*
* Note that this constructor should generally be called by other
* constructors or create methods, it should not be used directly.
* @param sampleModel The SampleModel that specifies the layout.
* @param dataBuffer The DataBufferInt that contains the image data.
* @param aRegion The Rectangle that specifies the image area.
* @param origin The Point that specifies the origin.
* @param parent The parent (if any) of this raster.
*/
public IntegerComponentRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerComponentRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerComponentRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
if (dbi.getNumBanks() != 1) {
throw new
RasterFormatException("DataBuffer for IntegerComponentRasters"+
" must only have 1 bank.");
}
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
int[] boffsets = sppsm.getBitOffsets();
boolean notByteBoundary = false;
for (int i=1; i < boffsets.length; i++) {
if ((boffsets[i]%8) != 0) {
notByteBoundary = true;
}
}
this.type = (notByteBoundary
? IntegerComponentRaster.TYPE_INT_PACKED_SAMPLES
: IntegerComponentRaster.TYPE_INT_8BIT_SAMPLES);
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerComponentRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerComponentRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate in the new Raster's coordinate system of
* the origin of the base Raster. (The base Raster is the Raster's
* ancestor which has no parent.)
*
* Note that this constructor should generally be called by other
* constructors or create methods, it should not be used directly.
* @param sampleModel The SampleModel that specifies the layout.
* @param dataBuffer The DataBufferInt that contains the image data.
* @param aRegion The Rectangle that specifies the image area.
* @param origin The Point that specifies the origin.
* @param parent The parent (if any) of this raster.
*/
public IntegerComponentRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerComponentRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerComponentRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
if (dbi.getNumBanks() != 1) {
throw new
RasterFormatException("DataBuffer for IntegerComponentRasters"+
" must only have 1 bank.");
}
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
int[] boffsets = sppsm.getBitOffsets();
boolean notByteBoundary = false;
for (int i=1; i < boffsets.length; i++) {
if ((boffsets[i]%8) != 0) {
notByteBoundary = true;
}
}
this.type = (notByteBoundary
? IntegerComponentRaster.TYPE_INT_PACKED_SAMPLES
: IntegerComponentRaster.TYPE_INT_8BIT_SAMPLES);
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerComponentRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerComponentRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate in the new Raster's coordinate system of
* the origin of the base Raster. (The base Raster is the Raster's
* ancestor which has no parent.)
*
* Note that this constructor should generally be called by other
* constructors or create methods, it should not be used directly.
* @param sampleModel The SampleModel that specifies the layout.
* @param dataBuffer The DataBufferInt that contains the image data.
* @param aRegion The Rectangle that specifies the image area.
* @param origin The Point that specifies the origin.
* @param parent The parent (if any) of this raster.
*/
public IntegerComponentRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerComponentRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerComponentRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
if (dbi.getNumBanks() != 1) {
throw new
RasterFormatException("DataBuffer for IntegerComponentRasters"+
" must only have 1 bank.");
}
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
int[] boffsets = sppsm.getBitOffsets();
boolean notByteBoundary = false;
for (int i=1; i < boffsets.length; i++) {
if ((boffsets[i]%8) != 0) {
notByteBoundary = true;
}
}
this.type = (notByteBoundary
? IntegerComponentRaster.TYPE_INT_PACKED_SAMPLES
: IntegerComponentRaster.TYPE_INT_8BIT_SAMPLES);
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerComponentRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
public static boolean equals(BufferedImage image1, BufferedImage image2) {
final int image1Width = image1.getWidth();
final int image1Height = image1.getHeight();
final int image2Width = image2.getWidth();
final int image2Height = image2.getHeight();
if (image1Width != image2Width || image1Height != image2Height)
return false;
final DataBuffer image1Buffer = image1.getData().getDataBuffer();
final DataBuffer image2Buffer = image2.getData().getDataBuffer();
final int image1BufferSize = image1Buffer.getSize();
final int image2BufferSize = image2Buffer.getSize();
if (image1BufferSize != image2BufferSize)
return false;
if (image1Buffer instanceof DataBufferInt && image2Buffer instanceof DataBufferInt) {
// compare according to https://stackoverflow.com/a/11006984
final DataBufferInt image1BufferInt = (DataBufferInt) image1Buffer;
final DataBufferInt image2BufferInt = (DataBufferInt) image2Buffer;
if (image1BufferInt.getNumBanks() != image2BufferInt.getNumBanks())
return false;
for (int bank = 0; bank < image1BufferInt.getNumBanks(); bank++) {
int[] actual = image1BufferInt.getData(bank);
int[] expected = image2BufferInt.getData(bank);
if (!Arrays.equals(actual, expected))
return false;
}
} else {
// compare according to https://stackoverflow.com/a/51497360
for (int i = 0; i < image1BufferSize; i++) {
if (image1Buffer.getElem(i) != image2Buffer.getElem(i)) {
return false;
}
}
}
//for (int x = 0; x < image1Width; x++) {
// for (int y = 0; y < image1Height; y++) {
// if (image1.getRGB(x, y) != image2.getRGB(x, y)) {
// return false;
// }
// }
//}
return true;
}
/**
* Constructs a IntegerComponentRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate in the new Raster's coordinate system of
* the origin of the base Raster. (The base Raster is the Raster's
* ancestor which has no parent.)
*
* Note that this constructor should generally be called by other
* constructors or create methods, it should not be used directly.
* @param sampleModel The SampleModel that specifies the layout.
* @param dataBuffer The DataBufferInt that contains the image data.
* @param aRegion The Rectangle that specifies the image area.
* @param origin The Point that specifies the origin.
* @param parent The parent (if any) of this raster.
*/
public IntegerComponentRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerComponentRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerComponentRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
if (dbi.getNumBanks() != 1) {
throw new
RasterFormatException("DataBuffer for IntegerComponentRasters"+
" must only have 1 bank.");
}
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
int[] boffsets = sppsm.getBitOffsets();
boolean notByteBoundary = false;
for (int i=1; i < boffsets.length; i++) {
if ((boffsets[i]%8) != 0) {
notByteBoundary = true;
}
}
this.type = (notByteBoundary
? IntegerComponentRaster.TYPE_INT_PACKED_SAMPLES
: IntegerComponentRaster.TYPE_INT_8BIT_SAMPLES);
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerComponentRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
/**
* Constructs a IntegerComponentRaster with the given SampleModel,
* DataBuffer, and parent. DataBuffer must be a DataBufferInt and
* SampleModel must be of type SinglePixelPackedSampleModel.
* When translated into the base Raster's
* coordinate system, aRegion must be contained by the base Raster.
* Origin is the coodinate in the new Raster's coordinate system of
* the origin of the base Raster. (The base Raster is the Raster's
* ancestor which has no parent.)
*
* Note that this constructor should generally be called by other
* constructors or create methods, it should not be used directly.
* @param sampleModel The SampleModel that specifies the layout.
* @param dataBuffer The DataBufferInt that contains the image data.
* @param aRegion The Rectangle that specifies the image area.
* @param origin The Point that specifies the origin.
* @param parent The parent (if any) of this raster.
*/
public IntegerComponentRaster(SampleModel sampleModel,
DataBuffer dataBuffer,
Rectangle aRegion,
Point origin,
IntegerComponentRaster parent){
super(sampleModel,dataBuffer,aRegion,origin,parent);
this.maxX = minX + width;
this.maxY = minY + height;
if (!(dataBuffer instanceof DataBufferInt)) {
throw new RasterFormatException("IntegerComponentRasters must have" +
"integer DataBuffers");
}
DataBufferInt dbi = (DataBufferInt)dataBuffer;
if (dbi.getNumBanks() != 1) {
throw new
RasterFormatException("DataBuffer for IntegerComponentRasters"+
" must only have 1 bank.");
}
this.data = stealData(dbi, 0);
if (sampleModel instanceof SinglePixelPackedSampleModel) {
SinglePixelPackedSampleModel sppsm =
(SinglePixelPackedSampleModel)sampleModel;
int[] boffsets = sppsm.getBitOffsets();
boolean notByteBoundary = false;
for (int i=1; i < boffsets.length; i++) {
if ((boffsets[i]%8) != 0) {
notByteBoundary = true;
}
}
this.type = (notByteBoundary
? IntegerComponentRaster.TYPE_INT_PACKED_SAMPLES
: IntegerComponentRaster.TYPE_INT_8BIT_SAMPLES);
this.scanlineStride = sppsm.getScanlineStride();
this.pixelStride = 1;
this.dataOffsets = new int[1];
this.dataOffsets[0] = dbi.getOffset();
this.bandOffset = this.dataOffsets[0];
int xOffset = aRegion.x - origin.x;
int yOffset = aRegion.y - origin.y;
dataOffsets[0] += xOffset+yOffset*scanlineStride;
this.numDataElems = sppsm.getNumDataElements();
} else {
throw new RasterFormatException("IntegerComponentRasters must have"+
" SinglePixelPackedSampleModel");
}
verify();
}
@Override
public void write(AwtImage image, ImageMetadata metadata, OutputStream out) throws IOException {
if (image.awt().getType() == BufferedImage.TYPE_INT_ARGB) {
ImageInfo imi = new ImageInfo(image.width, image.height, 8, true);
ar.com.hjg.pngj.PngWriter writer = new ar.com.hjg.pngj.PngWriter(out, imi);
writer.setCompLevel(compressionLevel);
writer.setFilterType(FilterType.FILTER_DEFAULT);
DataBufferInt db = (DataBufferInt) image.awt().getRaster().getDataBuffer();
if (db.getNumBanks() != 1) throw new RuntimeException("This method expects one bank");
SinglePixelPackedSampleModel samplemodel = (SinglePixelPackedSampleModel) image.awt().getSampleModel();
ImageLineInt line = new ImageLineInt(imi);
int[] dbbuf = db.getData();
for (int row = 0; row < imi.rows; row++) {
int elem = samplemodel.getOffset(0, row);
int j = 0;
for (int col = 0; col < imi.cols; col++) {
int sample = dbbuf[elem];
elem = elem + 1;
line.getScanline()[j] = (sample & 0xFF0000) >> 16; // R
j = j + 1;
line.getScanline()[j] = (sample & 0xFF00) >> 8; // G
j = j + 1;
line.getScanline()[j] = sample & 0xFF; // B
j = j + 1;
line.getScanline()[j] = ((sample & 0xFF000000) >> 24) & 0xFF; // A
j = j + 1;
}
writer.writeRow(line, row);
}
writer.end();// end calls close
} else {
ImageIO.write(image.awt(), "png", out);
}
}