/// <summary> Ctor resamples a BlkImgDataSrc so that all components
/// have the same number of samples.
///
/// Note the present implementation does only two to one
/// respampling in either direction (row, column).
///
/// </summary>
/// <param name="src">-- Source of image data
/// </param>
/// <param name="csm">-- provides colorspace info
/// </param>
protected internal Resampler(BlkImgDataSrc src, ColorSpace csMap) : base(src, csMap)
{
int c;
// Calculate the minimum and maximum subsampling factor
// across all channels.
int minX = src.getCompSubsX(0);
int minY = src.getCompSubsY(0);
int maxX = minX;
int maxY = minY;
for (c = 1; c < ncomps; ++c)
{
minX = System.Math.Min(minX, src.getCompSubsX(c));
minY = System.Math.Min(minY, src.getCompSubsY(c));
maxX = System.Math.Max(maxX, src.getCompSubsX(c));
maxY = System.Math.Max(maxY, src.getCompSubsY(c));
}
// Throw an exception for other than 2:1 sampling.
if ((maxX != 1 && maxX != 2) || (maxY != 1 && maxY != 2))
{
throw new ColorSpaceException("Upsampling by other than 2:1 not" + " supported");
}
minCompSubsX = minX;
minCompSubsY = minY;
maxCompSubsX = maxX;
maxCompSubsY = maxY;
/* end Resampler ctor */
}
/// <summary> Creates a new writer to the specified File object, to write data from
/// the specified component.
///
/// <p>The size of the image that is written to the file is the size of the
/// component from which to get the data, specified by b, not the size of
/// the source image (they differ if there is some sub-sampling).</p>
///
/// </summary>
/// <param name="out">The file where to write the data
///
/// </param>
/// <param name="imgSrc">The source from where to get the image data to write.
///
/// </param>
/// <param name="c">The index of the component from where to get the data.
///
/// </param>
public ImgWriterPGM(IFileInfo out_Renamed, BlkImgDataSrc imgSrc, int c)
{
// Check that imgSrc is of the correct type
// Check that the component index is valid
if (c < 0 || c >= imgSrc.NumComps)
{
throw new System.ArgumentException("Invalid number of components");
}
// Check that imgSrc is of the correct type
if (imgSrc.getNomRangeBits(c) > 8)
{
FacilityManager.getMsgLogger().println("Warning: Component " + c + " has nominal bitdepth " + imgSrc.getNomRangeBits(c) + ". Pixel values will be " + "down-shifted to fit bitdepth of 8 for PGM file", 8, 8);
}
// Initialize
if (out_Renamed.Exists && !out_Renamed.Delete())
{
throw new System.IO.IOException("Could not reset file");
}
this.out_Renamed = SupportClass.RandomAccessFileSupport.CreateRandomAccessFile(out_Renamed, "rw");
src = imgSrc;
this.c = c;
w = imgSrc.ImgWidth;
h = imgSrc.ImgHeight;
fb = imgSrc.getFixedPoint(c);
levShift = 1 << (imgSrc.getNomRangeBits(c) - 1);
writeHeaderInfo();
}
/// <summary> Ctor resamples a BlkImgDataSrc so that all components
/// have the same number of samples.
///
/// Note the present implementation does only two to one
/// respampling in either direction (row, column).
///
/// </summary>
/// <param name="src">-- Source of image data
/// </param>
/// <param name="csm">-- provides colorspace info
/// </param>
protected internal Resampler(BlkImgDataSrc src, ColorSpace csMap):base(src, csMap)
{
int c;
// Calculate the minimum and maximum subsampling factor
// across all channels.
int minX = src.getCompSubsX(0);
int minY = src.getCompSubsY(0);
int maxX = minX;
int maxY = minY;
for (c = 1; c < ncomps; ++c)
{
minX = System.Math.Min(minX, src.getCompSubsX(c));
minY = System.Math.Min(minY, src.getCompSubsY(c));
maxX = System.Math.Max(maxX, src.getCompSubsX(c));
maxY = System.Math.Max(maxY, src.getCompSubsY(c));
}
// Throw an exception for other than 2:1 sampling.
if ((maxX != 1 && maxX != 2) || (maxY != 1 && maxY != 2))
{
throw new ColorSpaceException("Upsampling by other than 2:1 not" + " supported");
}
minCompSubsX = minX;
minCompSubsY = minY;
maxCompSubsX = maxX;
maxCompSubsY = maxY;
/* end Resampler ctor */
}
/// <summary> Constructs a new tiler with the specified 'BlkImgDataSrc' source,
/// image origin, tiling origin and nominal tile size.
///
/// </summary>
/// <param name="src">The 'BlkImgDataSrc' source from where to get the image
/// data. It must not be tiled and the image origin must be at '(0,0)' on
/// its canvas.
///
/// </param>
/// <param name="ax">The horizontal coordinate of the image origin in the canvas
/// system, on the reference grid (i.e. the image's top-left corner in the
/// reference grid).
///
/// </param>
/// <param name="ay">The vertical coordinate of the image origin in the canvas
/// system, on the reference grid (i.e. the image's top-left corner in the
/// reference grid).
///
/// </param>
/// <param name="px">The horizontal tiling origin, in the canvas system, on the
/// reference grid. It must satisfy 'px<=ax'.
///
/// </param>
/// <param name="py">The vertical tiling origin, in the canvas system, on the
/// reference grid. It must satisfy 'py<=ay'.
///
/// </param>
/// <param name="nw">The nominal tile width, on the reference grid. If 0 then
/// there is no tiling in that direction.
///
/// </param>
/// <param name="nh">The nominal tile height, on the reference grid. If 0 then
/// there is no tiling in that direction.
///
/// </param>
/// <exception cref="IllegalArgumentException">If src is tiled or "canvased", or
/// if the arguments do not satisfy the specified constraints.
///
/// </exception>
public Tiler(BlkImgDataSrc src, int ax, int ay, int px, int py, int nw, int nh) : base(src)
{
// Initialize
this.src = src;
this.x0siz = ax;
this.y0siz = ay;
this.xt0siz = px;
this.yt0siz = py;
this.xtsiz = nw;
this.ytsiz = nh;
// Verify that input is not tiled
if (src.getNumTiles() != 1)
{
throw new System.ArgumentException("Source is tiled");
}
// Verify that source is not "canvased"
if (src.ImgULX != 0 || src.ImgULY != 0)
{
throw new System.ArgumentException("Source is \"canvased\"");
}
// Verify that arguments satisfy trivial requirements
if (x0siz < 0 || y0siz < 0 || xt0siz < 0 || yt0siz < 0 || xtsiz < 0 || ytsiz < 0 || xt0siz > x0siz || yt0siz > y0siz)
{
throw new System.ArgumentException("Invalid image origin, " + "tiling origin or nominal " + "tile size");
}
// If no tiling has been specified, creates a unique tile with maximum
// dimension.
if (xtsiz == 0)
{
xtsiz = x0siz + src.ImgWidth - xt0siz;
}
if (ytsiz == 0)
{
ytsiz = y0siz + src.ImgHeight - yt0siz;
}
// Automatically adjusts xt0siz,yt0siz so that tile (0,0) always
// overlaps with the image.
if (x0siz - xt0siz >= xtsiz)
{
xt0siz += ((x0siz - xt0siz) / xtsiz) * xtsiz;
}
if (y0siz - yt0siz >= ytsiz)
{
yt0siz += ((y0siz - yt0siz) / ytsiz) * ytsiz;
}
if (x0siz - xt0siz >= xtsiz || y0siz - yt0siz >= ytsiz)
{
FacilityManager.getMsgLogger().printmsg(CSJ2K.j2k.util.MsgLogger_Fields.INFO, "Automatically adjusted tiling " + "origin to equivalent one (" + xt0siz + "," + yt0siz + ") so that " + "first tile overlaps the image");
}
// Calculate the number of tiles
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
ntX = (int)System.Math.Ceiling((x0siz + src.ImgWidth) / (double)xtsiz);
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
ntY = (int)System.Math.Ceiling((y0siz + src.ImgHeight) / (double)ytsiz);
}
/// <summary> Ctor which creates an ICCProfile for the image and initializes
/// all data objects (input, working, and output).
///
/// </summary>
/// <param name="src">-- Source of image data
/// </param>
/// <param name="csm">-- provides colorspace info
///
/// </param>
protected internal ColorSpaceMapper(BlkImgDataSrc src, ColorSpace csMap) : base(src)
{
InitBlock();
this.src = src;
this.csMap = csMap;
initialize();
/* end ColorSpaceMapper ctor */
}
/// <summary> Constructs a new ForwCompTransf object that operates on the
/// specified source of image data.
///
/// </summary>
/// <param name="imgSrc">The source from where to get the data to be
/// transformed
///
/// </param>
/// <param name="decSpec">The decoder specifications
///
/// </param>
/// <param name="utdepth">The bit depth of the un-transformed components
///
/// </param>
/// <param name="pl">The command line optinons of the decoder
///
/// </param>
/// <seealso cref="BlkImgDataSrc">
///
/// </seealso>
public InvCompTransf(BlkImgDataSrc imgSrc, DecoderSpecs decSpec, int[] utdepth, ParameterList pl) : base(imgSrc)
{
this.cts = decSpec.cts;
this.wfs = decSpec.wfs;
src = imgSrc;
this.utdepth = utdepth;
noCompTransf = !(pl.getBooleanParameter("comp_transf"));
}
/// <summary> Creates a new writer to the specified File object, to write data from
/// the specified component.
///
/// <p>The size of the image that is written to the file is the size of the
/// component from which to get the data, specified by b, not the size of
/// the source image (they differ if there is some sub-sampling).</p>
///
/// <p>All the header informations are given by the BlkImgDataSrc source
/// (component width, component height, bit-depth) and sign flag, which are
/// provided to the constructor. The endianness is always big-endian (MSB
/// first).</p>
///
/// </summary>
/// <param name="out">The file where to write the data
///
/// </param>
/// <param name="imgSrc">The source from where to get the image data to write.
///
/// </param>
/// <param name="c">The index of the component from where to get the data.
///
/// </param>
/// <param name="isSigned">Whether the datas are signed or not (needed only when
/// writing header).
///
/// </param>
/// <seealso cref="DataBlk">
///
/// </seealso>
public ImgWriterPGX(IFileInfo out_Renamed, BlkImgDataSrc imgSrc, int c, bool isSigned)
{
//Initialize
this.c = c;
if (out_Renamed.Exists && !out_Renamed.Delete())
{
throw new System.IO.IOException("Could not reset file");
}
this.out_Renamed = SupportClass.RandomAccessFileSupport.CreateRandomAccessFile(out_Renamed, "rw");
this.isSigned = isSigned;
src = imgSrc;
w = src.ImgWidth;
h = src.ImgHeight;
fb = imgSrc.getFixedPoint(c);
bitDepth = src.getNomRangeBits(this.c);
if ((bitDepth <= 0) || (bitDepth > 31))
{
throw new System.IO.IOException("PGX supports only bit-depth between " + "1 and 31");
}
if (bitDepth <= 8)
{
packBytes = 1;
}
else if (bitDepth <= 16)
{
packBytes = 2;
}
else
{
// <= 31
packBytes = 4;
}
// Writes PGX header
System.String tmpString = "PG " + "ML " + ((this.isSigned)?"- ":"+ ") + bitDepth + " " + w + " " + h + "\n"; // component height
byte[] tmpByte = System.Text.Encoding.UTF8.GetBytes(tmpString);
for (int i = 0; i < tmpByte.Length; i++)
{
this.out_Renamed.WriteByte((byte)tmpByte[i]);
}
offset = tmpByte.Length;
maxVal = this.isSigned?((1 << (src.getNomRangeBits(c) - 1)) - 1):((1 << src.getNomRangeBits(c)) - 1);
minVal = this.isSigned?((-1) * (1 << (src.getNomRangeBits(c) - 1))):0;
levShift = (this.isSigned)?0:1 << (src.getNomRangeBits(c) - 1);
}
/// <summary> Ctor which creates an ICCProfile for the image and initializes
/// all data objects (input, working, output).
///
/// </summary>
/// <param name="src">-- Source of image data
/// </param>
/// <param name="csm">-- provides colorspace info
///
/// </param>
/// <exception cref="IOException">
/// </exception>
/// <exception cref="ICCProfileException">
/// </exception>
/// <exception cref="IllegalArgumentException">
/// </exception>
protected internal ICCProfiler(BlkImgDataSrc src, CSJ2K.Color.ColorSpace csMap) : base(src, csMap)
{
initialize();
iccp = getICCProfile(csMap);
if (ncomps == 1)
{
xform = new MonochromeTransformTosRGB(iccp, maxValueArray[0], shiftValueArray[0]);
}
else
{
xform = new MatrixBasedTransformTosRGB(iccp, maxValueArray, shiftValueArray);
}
/* end ICCProfiler ctor */
}
/// <summary> Initialize all members with the given number of tiles and components
/// and the command-line arguments stored in a ParameterList instance
///
/// </summary>
/// <param name="nt">Number of tiles
///
/// </param>
/// <param name="nc">Number of components
///
/// </param>
/// <param name="imgsrc">The image source (used to get the image size)
///
/// </param>
/// <param name="pl">The ParameterList instance
///
/// </param>
public EncoderSpecs(int nt, int nc, BlkImgDataSrc imgsrc, ParameterList pl)
{
nTiles = nt;
nComp = nc;
// ROI
rois = new MaxShiftSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP);
// Quantization
pl.checkList(Quantizer.OPT_PREFIX, CSJ2K.j2k.util.ParameterList.toNameArray(Quantizer.ParameterInfo));
qts = new QuantTypeSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, pl);
qsss = new QuantStepSizeSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, pl);
gbs = new GuardBitsSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, pl);
// Wavelet transform
wfs = new AnWTFilterSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, qts, pl);
dls = new IntegerSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, pl, "Wlev");
// Component transformation
cts = new ForwCompTransfSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE, wfs, pl);
// Entropy coder
System.String[] strLcs = new System.String[] { "near_opt", "lazy_good", "lazy" };
lcs = new StringSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, "Clen_calc", strLcs, pl);
System.String[] strTerm = new System.String[] { "near_opt", "easy", "predict", "full" };
tts = new StringSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, "Cterm_type", strTerm, pl);
System.String[] strBoolean = new System.String[] { "on", "off" };
sss = new StringSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, "Cseg_symbol", strBoolean, pl);
css = new StringSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, "Ccausal", strBoolean, pl);
rts = new StringSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, "Cterminate", strBoolean, pl);
mqrs = new StringSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, "CresetMQ", strBoolean, pl);
bms = new StringSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, "Cbypass", strBoolean, pl);
cblks = new CBlkSizeSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, pl);
// Precinct partition
pss = new PrecinctSizeSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, imgsrc, dls, pl);
// Codestream
sops = new StringSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE, "Psop", strBoolean, pl);
ephs = new StringSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE, "Peph", strBoolean, pl);
}
/// <summary> Factory method for creating instances of this class.</summary>
/// <param name="src">-- source of image data
/// </param>
/// <param name="csMap">-- provides colorspace info
/// </param>
/// <returns> ColorSpaceMapper instance
/// </returns>
/// <exception cref="IOException">profile access exception
/// </exception>
public static BlkImgDataSrc createInstance(BlkImgDataSrc src, ColorSpace csMap)
{
// Check parameters
csMap.pl.checkList(OPT_PREFIX, CSJ2K.j2k.util.ParameterList.toNameArray(pinfo));
// Perform ICCProfiling or ColorSpace tranfsormation.
if (csMap.Method == ColorSpace.MethodEnum.ICC_PROFILED)
{
return(ICCProfiler.createInstance(src, csMap));
}
else
{
ColorSpace.CSEnum colorspace = csMap.getColorSpace();
if (colorspace == ColorSpace.CSEnum.sRGB)
{
return(EnumeratedColorSpaceMapper.createInstance(src, csMap));
}
else if (colorspace == ColorSpace.CSEnum.GreyScale)
{
return(EnumeratedColorSpaceMapper.createInstance(src, csMap));
}
else if (colorspace == ColorSpace.CSEnum.sYCC)
{
return(SYccColorSpaceMapper.createInstance(src, csMap));
}
if (colorspace == ColorSpace.CSEnum.esRGB)
{
return(EsRgbColorSpaceMapper.createInstance(src, csMap));
}
else if (colorspace == ColorSpace.CSEnum.Unknown)
{
return(null);
}
else
{
throw new ColorSpaceException("Bad color space specification in image");
}
}
}
/// <summary> Creates a new writer to the specified File object, to write data from
/// the specified component.
///
/// <p>The three components that will be written as R, G and B must be
/// specified through the b1, b2 and b3 arguments.</p>
///
/// </summary>
/// <param name="out">The file where to write the data
///
/// </param>
/// <param name="imgSrc">The source from where to get the image data to write.
///
/// </param>
/// <param name="n1">The index of the first component from where to get the data,
/// that will be written as the red channel.
///
/// </param>
/// <param name="n2">The index of the second component from where to get the data,
/// that will be written as the green channel.
///
/// </param>
/// <param name="n3">The index of the third component from where to get the data,
/// that will be written as the green channel.
///
/// </param>
/// <seealso cref="DataBlk">
///
/// </seealso>
public ImgWriterPPM(IFileInfo out_Renamed, BlkImgDataSrc imgSrc, int n1, int n2, int n3)
{
// Check that imgSrc is of the correct type
// Check that the component index is valid
if ((n1 < 0) || (n1 >= imgSrc.NumComps) || (n2 < 0) || (n2 >= imgSrc.NumComps) || (n3 < 0) || (n3 >= imgSrc.NumComps) || (imgSrc.getNomRangeBits(n1) > 8) || (imgSrc.getNomRangeBits(n2) > 8) || (imgSrc.getNomRangeBits(n3) > 8))
{
throw new System.ArgumentException("Invalid component indexes");
}
// Initialize
w = imgSrc.getCompImgWidth(n1);
h = imgSrc.getCompImgHeight(n1);
// Check that all components have same width and height
if (w != imgSrc.getCompImgWidth(n2) || w != imgSrc.getCompImgWidth(n3) || h != imgSrc.getCompImgHeight(n2) || h != imgSrc.getCompImgHeight(n3))
{
throw new System.ArgumentException("All components must have the" + " same dimensions and no" + " subsampling");
}
w = imgSrc.ImgWidth;
h = imgSrc.ImgHeight;
// Continue initialization
if (out_Renamed.Exists && !out_Renamed.Delete())
{
throw new System.IO.IOException("Could not reset file");
}
this.out_Renamed = SupportClass.RandomAccessFileSupport.CreateRandomAccessFile(out_Renamed, "rw");
src = imgSrc;
cps[0] = n1;
cps[1] = n2;
cps[2] = n3;
fb[0] = imgSrc.getFixedPoint(n1);
fb[1] = imgSrc.getFixedPoint(n2);
fb[2] = imgSrc.getFixedPoint(n3);
levShift[0] = 1 << (imgSrc.getNomRangeBits(n1) - 1);
levShift[1] = 1 << (imgSrc.getNomRangeBits(n2) - 1);
levShift[2] = 1 << (imgSrc.getNomRangeBits(n3) - 1);
writeHeaderInfo();
}
/// <summary> Initializes this object with the given source of image data and with
/// all the decompositon parameters
///
/// </summary>
/// <param name="src">From where the image data should be obtained.
///
/// </param>
/// <param name="encSpec">The encoder specifications
///
/// </param>
/// <param name="cb0x">The horizontal coordinate of the code-block partition
/// origin on the reference grid.
///
/// </param>
/// <param name="cb0y">The vertical coordinate of the code-block partition origin
/// on the reference grid.
///
/// </param>
/// <seealso cref="ForwardWT">
///
/// </seealso>
public ForwWTFull(BlkImgDataSrc src, EncoderSpecs encSpec, int cb0x, int cb0y) : base(src)
{
this.src = src;
this.cb0x = cb0x;
this.cb0y = cb0y;
this.dls = encSpec.dls;
this.filters = encSpec.wfs;
this.cblks = encSpec.cblks;
this.pss = encSpec.pss;
int ncomp = src.NumComps;
int ntiles = src.getNumTiles();
currentSubband = new SubbandAn[ncomp];
decomposedComps = new DataBlk[ncomp];
subbTrees = new SubbandAn[ntiles][];
for (int i = 0; i < ntiles; i++)
{
subbTrees[i] = new SubbandAn[ncomp];
}
lastn = new int[ncomp];
lastm = new int[ncomp];
}
/// <summary> Factory method for creating instances of this class.</summary>
/// <param name="src">-- source of image data
/// </param>
/// <param name="csMap">-- provides colorspace info
/// </param>
/// <returns> ChannelDefinitionMapper instance
/// </returns>
/// <exception cref="ColorSpaceException">
/// </exception>
public static new BlkImgDataSrc createInstance(BlkImgDataSrc src, ColorSpace csMap)
{
return new ChannelDefinitionMapper(src, csMap);
}
/// <summary> Constructs a new ForwCompTransf object that operates on the specified
/// source of image data.
///
/// </summary>
/// <param name="imgSrc">The source from where to get the data to be transformed
///
/// </param>
/// <param name="encSpec">The encoder specifications
///
/// </param>
/// <seealso cref="BlkImgDataSrc">
///
/// </seealso>
public ForwCompTransf(BlkImgDataSrc imgSrc, EncoderSpecs encSpec) : base(imgSrc)
{
this.cts = encSpec.cts;
this.wfs = encSpec.wfs;
src = imgSrc;
}
/// <summary> Factory method for creating instances of this class.</summary>
/// <param name="src">-- source of image data
/// </param>
/// <param name="csMap">-- provides colorspace info
/// </param>
/// <returns> ICCProfiler instance
/// </returns>
/// <exception cref="IOException">profile access exception
/// </exception>
/// <exception cref="ICCProfileException">profile content exception
/// </exception>
public static new BlkImgDataSrc createInstance(BlkImgDataSrc src, CSJ2K.Color.ColorSpace csMap)
{
return(new ICCProfiler(src, csMap));
}
/// <summary> Factory method for creating instances of this class.</summary>
/// <param name="src">-- source of image data
/// </param>
/// <param name="csMap">-- provides colorspace info
/// </param>
/// <returns> ChannelDefinitionMapper instance
/// </returns>
/// <exception cref="ColorSpaceException">
/// </exception>
public static new BlkImgDataSrc createInstance(BlkImgDataSrc src, ColorSpace csMap)
{
return(new ChannelDefinitionMapper(src, csMap));
}
/// <summary> Ctor which creates an ICCProfile for the image and initializes
/// all data objects (input, working, and output).
///
/// </summary>
/// <param name="src">-- Source of image data
/// </param>
/// <param name="csm">-- provides colorspace info
/// </param>
protected internal PalettizedColorSpaceMapper(BlkImgDataSrc src, ColorSpace csMap) : base(src, csMap)
{
pbox = csMap.PaletteBox;
initialize();
}
/// <summary> Creates a new writer to the specified file, to write data from the
/// specified component.
///
/// <p>The size of the image that is written to the file is the size of the
/// component from which to get the data, specified by b, not the size of
/// the source image (they differ if there is some sub-sampling).</p>
///
/// <p>All header information is given by the BlkImgDataSrc source
/// (component width, component height, bit-depth) and sign flag, which are
/// provided to the constructor. The endianness is always big-endian (MSB
/// first).
///
/// </summary>
/// <param name="fname">The name of the file where to write the data
///
/// </param>
/// <param name="imgSrc">The source from where to get the image data to write.
///
/// </param>
/// <param name="c">The index of the component from where to get the data.
///
/// </param>
/// <param name="isSigned">Whether the datas are signed or not (needed only when
/// writing header).
///
/// </param>
/// <seealso cref="DataBlk">
///
/// </seealso>
public ImgWriterPGX(System.String fname, BlkImgDataSrc imgSrc, int c, bool isSigned) : this(FileInfoFactory.New(fname), imgSrc, c, isSigned)
{
}
/// <summary> Factory method for creating instances of this class.</summary>
/// <param name="src">-- source of image data
/// </param>
/// <param name="csMap">-- provides colorspace info
/// </param>
/// <returns> Resampler instance
/// </returns>
public static new BlkImgDataSrc createInstance(BlkImgDataSrc src, ColorSpace csMap)
{
return(new Resampler(src, csMap));
}
/// <summary> Creates a new writer to the specified File object, to write data from
/// the specified component.
///
/// <p>The size of the image that is written to the file is the size of the
/// component from which to get the data, specified by b, not the size of
/// the source image (they differ if there is some sub-sampling).</p>
///
/// </summary>
/// <param name="out">The file where to write the data
///
/// </param>
/// <param name="imgSrc">The source from where to get the image data to write.
///
/// </param>
/// <param name="c">The index of the component from where to get the data.
///
/// </param>
public ImgWriterPGM(IFileInfo out_Renamed, BlkImgDataSrc imgSrc, int c)
{
// Check that imgSrc is of the correct type
// Check that the component index is valid
if (c < 0 || c >= imgSrc.NumComps)
{
throw new System.ArgumentException("Invalid number of components");
}
// Check that imgSrc is of the correct type
if (imgSrc.getNomRangeBits(c) > 8)
{
FacilityManager.getMsgLogger().println("Warning: Component " + c + " has nominal bitdepth " + imgSrc.getNomRangeBits(c) + ". Pixel values will be " + "down-shifted to fit bitdepth of 8 for PGM file", 8, 8);
}
// Initialize
if (out_Renamed.Exists && !out_Renamed.Delete())
{
throw new System.IO.IOException("Could not reset file");
}
this.out_Renamed = SupportClass.RandomAccessFileSupport.CreateRandomAccessFile(out_Renamed, "rw");
src = imgSrc;
this.c = c;
w = imgSrc.ImgWidth;
h = imgSrc.ImgHeight;
fb = imgSrc.getFixedPoint(c);
levShift = 1 << (imgSrc.getNomRangeBits(c) - 1);
writeHeaderInfo();
}
/// <summary> Class constructor. Each input BlkImgDataSrc and its component index
/// must appear in the order wanted for the output components.<br>
///
/// <u>Example:</u> Reading R,G,B components from 3 PGM files.<br>
/// <tt>
/// BlkImgDataSrc[] idList = <br>
/// {<br>
/// new ImgReaderPGM(new BEBufferedRandomAccessFile("R.pgm", "r")),<br>
/// new ImgReaderPGM(new BEBufferedRandomAccessFile("G.pgm", "r")),<br>
/// new ImgReaderPGM(new BEBufferedRandomAccessFile("B.pgm", "r"))<br>
/// };<br>
/// int[] compIdx = {0,0,0};<br>
/// ImgDataJoiner idj = new ImgDataJoiner(idList, compIdx);
/// </tt>
///
/// <p>Of course, the 2 arrays must have the same length (This length is
/// the number of output components). The image width and height are
/// definded to be the maximum values of all the input ImgData.
///
/// </summary>
/// <param name="imD">The list of input BlkImgDataSrc in an array.
///
/// </param>
/// <param name="cIdx">The component index associated with each ImgData.
///
/// </param>
public ImgDataJoiner(BlkImgDataSrc[] imD, int[] cIdx)
{
int i;
int maxW, maxH;
// Initializes
imageData = imD;
compIdx = cIdx;
if (imageData.Length != compIdx.Length)
throw new System.ArgumentException("imD and cIdx must have the" + " same length");
nc = imD.Length;
subsX = new int[nc];
subsY = new int[nc];
// Check that no source is tiled and that the image origin is at the
// canvas origin.
for (i = 0; i < nc; i++)
{
if (imD[i].getNumTiles() != 1 || imD[i].getCompULX(cIdx[i]) != 0 || imD[i].getCompULY(cIdx[i]) != 0)
{
throw new System.ArgumentException("All input components must, " + "not use tiles and must " + "have " + "the origin at the canvas " + "origin");
}
}
// Guess component subsampling factors based on the fact that the
// ceil() operation relates the reference grid size to the component's
// size, through the subsampling factor.
// Mhhh, difficult problem. For now just assume that one of the
// subsampling factors is always 1 and that the component width is
// always larger than its subsampling factor, which covers most of the
// cases. We check the correctness of the solution once found to chek
// out hypothesis.
// Look for max width and height.
maxW = 0;
maxH = 0;
for (i = 0; i < nc; i++)
{
if (imD[i].getCompImgWidth(cIdx[i]) > maxW)
maxW = imD[i].getCompImgWidth(cIdx[i]);
if (imD[i].getCompImgHeight(cIdx[i]) > maxH)
maxH = imD[i].getCompImgHeight(cIdx[i]);
}
// Set the image width and height as the maximum ones
w = maxW;
h = maxH;
// Now get the sumsampling factors and check the subsampling factors,
// just to see if above hypothesis were correct.
for (i = 0; i < nc; i++)
{
// This calculation only holds if the subsampling factor is less
// than the component width
subsX[i] = (maxW + imD[i].getCompImgWidth(cIdx[i]) - 1) / imD[i].getCompImgWidth(cIdx[i]);
subsY[i] = (maxH + imD[i].getCompImgHeight(cIdx[i]) - 1) / imD[i].getCompImgHeight(cIdx[i]);
if ((maxW + subsX[i] - 1) / subsX[i] != imD[i].getCompImgWidth(cIdx[i]) || (maxH + subsY[i] - 1) / subsY[i] != imD[i].getCompImgHeight(cIdx[i]))
{
throw new System.ApplicationException("Can not compute component subsampling " + "factors: strange subsampling.");
}
}
}
public static byte[] ToBytes(BlkImgDataSrc imgsrc, ParameterList parameters = null)
{
// Initialize default parameters
ParameterList defpl = GetDefaultEncoderParameterList(encoder_pinfo);
// Create parameter list using defaults
ParameterList pl = parameters ?? new ParameterList(defpl);
bool useFileFormat = false;
bool pphTile = false;
bool pphMain = false;
bool tempSop = false;
bool tempEph = false;
// **** Get general parameters ****
if (pl.getParameter("file_format").Equals("on"))
{
useFileFormat = true;
if (pl.getParameter("rate") != null && pl.getFloatParameter("rate") != defpl.getFloatParameter("rate"))
{
warning("Specified bit-rate applies only on the codestream but not on the whole file.");
}
}
if (pl.getParameter("tiles") == null)
{
error("No tiles option specified", 2);
return null;
}
if (pl.getParameter("pph_tile").Equals("on"))
{
pphTile = true;
if (pl.getParameter("Psop").Equals("off"))
{
pl["Psop"] = "on";
tempSop = true;
}
if (pl.getParameter("Peph").Equals("off"))
{
pl["Peph"] = "on";
tempEph = true;
}
}
if (pl.getParameter("pph_main").Equals("on"))
{
pphMain = true;
if (pl.getParameter("Psop").Equals("off"))
{
pl["Psop"] = "on";
tempSop = true;
}
if (pl.getParameter("Peph").Equals("off"))
{
pl["Peph"] = "on";
tempEph = true;
}
}
if (pphTile && pphMain) error("Can't have packed packet headers in both main and" + " tile headers", 2);
if (pl.getBooleanParameter("lossless") && pl.getParameter("rate") != null
&& pl.getFloatParameter("rate") != defpl.getFloatParameter("rate")) throw new ArgumentException("Cannot use '-rate' and " + "'-lossless' option at " + " the same time.");
if (pl.getParameter("rate") == null)
{
error("Target bitrate not specified", 2);
return null;
}
float rate;
try
{
rate = pl.getFloatParameter("rate");
if (rate == -1)
{
rate = float.MaxValue;
}
}
catch (FormatException e)
{
error("Invalid value in 'rate' option: " + pl.getParameter("rate"), 2);
return null;
}
int pktspertp;
try
{
pktspertp = pl.getIntParameter("tile_parts");
if (pktspertp != 0)
{
if (pl.getParameter("Psop").Equals("off"))
{
pl["Psop"] = "on";
tempSop = true;
}
if (pl.getParameter("Peph").Equals("off"))
{
pl["Peph"] = "on";
tempEph = true;
}
}
}
catch (FormatException e)
{
error("Invalid value in 'tile_parts' option: " + pl.getParameter("tile_parts"), 2);
return null;
}
// **** ImgReader ****
var ncomp = imgsrc.NumComps;
var ppminput = imgsrc.NumComps > 1;
// **** Tiler ****
// get nominal tile dimensions
SupportClass.StreamTokenizerSupport stok =
new SupportClass.StreamTokenizerSupport(new StringReader(pl.getParameter("tiles")));
stok.EOLIsSignificant(false);
stok.NextToken();
if (stok.ttype != SupportClass.StreamTokenizerSupport.TT_NUMBER)
{
error("An error occurred while parsing the tiles option: " + pl.getParameter("tiles"), 2);
return null;
}
var tw = (int)stok.nval;
stok.NextToken();
if (stok.ttype != SupportClass.StreamTokenizerSupport.TT_NUMBER)
{
error("An error occurred while parsing the tiles option: " + pl.getParameter("tiles"), 2);
return null;
}
var th = (int)stok.nval;
// Get image reference point
var refs = pl.getParameter("ref").Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
int refx;
int refy;
try
{
refx = Int32.Parse(refs[0]);
refy = Int32.Parse(refs[1]);
}
catch (IndexOutOfRangeException e)
{
throw new ArgumentException("Error while parsing 'ref' " + "option");
}
catch (FormatException e)
{
throw new ArgumentException("Invalid number type in " + "'ref' option");
}
if (refx < 0 || refy < 0)
{
throw new ArgumentException("Invalid value in 'ref' " + "option ");
}
// Get tiling reference point
var trefs = pl.getParameter("tref").Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
int trefx;
int trefy;
try
{
trefx = Int32.Parse(trefs[0]);
trefy = Int32.Parse(trefs[1]);
}
catch (IndexOutOfRangeException e)
{
throw new ArgumentException("Error while parsing 'tref' " + "option");
}
catch (FormatException e)
{
throw new ArgumentException("Invalid number type in " + "'tref' option");
}
if (trefx < 0 || trefy < 0 || trefx > refx || trefy > refy)
{
throw new ArgumentException("Invalid value in 'tref' " + "option ");
}
// Instantiate tiler
Tiler imgtiler;
try
{
imgtiler = new Tiler(imgsrc, refx, refy, trefx, trefy, tw, th);
}
catch (ArgumentException e)
{
error("Could not tile image" + ((e.Message != null) ? (":\n" + e.Message) : ""), 2);
return null;
}
int ntiles = imgtiler.getNumTiles();
// **** Encoder specifications ****
var encSpec = new EncoderSpecs(ntiles, ncomp, imgsrc, pl);
// **** Component transformation ****
if (ppminput && pl.getParameter("Mct") != null && pl.getParameter("Mct").Equals("off"))
{
FacilityManager.getMsgLogger()
.printmsg(
MsgLogger_Fields.WARNING,
"Input image is RGB and no color transform has "
+ "been specified. Compression performance and "
+ "image quality might be greatly degraded. Use "
+ "the 'Mct' option to specify a color transform");
}
ForwCompTransf fctransf;
try
{
fctransf = new ForwCompTransf(imgtiler, encSpec);
}
catch (ArgumentException e)
{
error(
"Could not instantiate forward component " + "transformation"
+ ((e.Message != null) ? (":\n" + e.Message) : ""),
2);
return null;
}
// **** ImgDataConverter ****
var converter = new ImgDataConverter(fctransf);
// **** ForwardWT ****
ForwardWT dwt;
try
{
dwt = ForwardWT.createInstance(converter, pl, encSpec);
}
catch (ArgumentException e)
{
error("Could not instantiate wavelet transform" + ((e.Message != null) ? (":\n" + e.Message) : ""), 2);
return null;
}
// **** Quantizer ****
Quantizer quant;
try
{
quant = Quantizer.createInstance(dwt, encSpec);
}
catch (ArgumentException e)
{
error("Could not instantiate quantizer" + ((e.Message != null) ? (":\n" + e.Message) : ""), 2);
return null;
}
// **** ROIScaler ****
ROIScaler rois;
try
{
rois = ROIScaler.createInstance(quant, pl, encSpec);
}
catch (ArgumentException e)
{
error("Could not instantiate ROI scaler" + ((e.Message != null) ? (":\n" + e.Message) : ""), 2);
return null;
}
// **** EntropyCoder ****
EntropyCoder ecoder;
try
{
ecoder = EntropyCoder.createInstance(
rois,
pl,
encSpec.cblks,
encSpec.pss,
encSpec.bms,
encSpec.mqrs,
encSpec.rts,
encSpec.css,
encSpec.sss,
encSpec.lcs,
encSpec.tts);
}
catch (ArgumentException e)
{
error("Could not instantiate entropy coder" + ((e.Message != null) ? (":\n" + e.Message) : ""), 2);
return null;
}
// **** CodestreamWriter ****
using (var outStream = new MemoryStream())
{
CodestreamWriter bwriter;
try
{
// Rely on rate allocator to limit amount of data
bwriter = new FileCodestreamWriter(outStream, Int32.MaxValue);
}
catch (IOException e)
{
error("Could not open output file" + ((e.Message != null) ? (":\n" + e.Message) : ""), 2);
return null;
}
// **** Rate allocator ****
PostCompRateAllocator ralloc;
try
{
ralloc = PostCompRateAllocator.createInstance(ecoder, pl, rate, bwriter, encSpec);
}
catch (ArgumentException e)
{
error("Could not instantiate rate allocator" + ((e.Message != null) ? (":\n" + e.Message) : ""), 2);
return null;
}
// **** HeaderEncoder ****
var imsigned = Enumerable.Repeat(false, ncomp).ToArray(); // TODO Consider supporting signed components.
var headenc = new HeaderEncoder(imgsrc, imsigned, dwt, imgtiler, encSpec, rois, ralloc, pl);
ralloc.HeaderEncoder = headenc;
// **** Write header to be able to estimate header overhead ****
headenc.encodeMainHeader();
// **** Initialize rate allocator, with proper header
// overhead. This will also encode all the data ****
ralloc.initialize();
// **** Write header (final) ****
headenc.reset();
headenc.encodeMainHeader();
// Insert header into the codestream
bwriter.commitBitstreamHeader(headenc);
// **** Now do the rate-allocation and write result ****
ralloc.runAndWrite();
// **** Done ****
bwriter.close();
// **** Calculate file length ****
int fileLength = bwriter.Length;
// **** Tile-parts and packed packet headers ****
if (pktspertp > 0 || pphTile || pphMain)
{
try
{
CodestreamManipulator cm = new CodestreamManipulator(
outStream,
ntiles,
pktspertp,
pphMain,
pphTile,
tempSop,
tempEph);
fileLength += cm.doCodestreamManipulation();
//String res="";
if (pktspertp > 0)
{
FacilityManager.getMsgLogger()
.println(
"Created tile-parts " + "containing at most " + pktspertp + " packets per tile.",
4,
6);
}
if (pphTile)
{
FacilityManager.getMsgLogger().println("Moved packet headers " + "to tile headers", 4, 6);
}
if (pphMain)
{
FacilityManager.getMsgLogger().println("Moved packet headers " + "to main header", 4, 6);
}
}
catch (IOException e)
{
error(
"Error while creating tileparts or packed packet" + " headers"
+ ((e.Message != null) ? (":\n" + e.Message) : ""),
2);
return null;
}
}
// **** File Format ****
if (useFileFormat)
{
try
{
int nc = imgsrc.NumComps;
int[] bpc = new int[nc];
for (int comp = 0; comp < nc; comp++)
{
bpc[comp] = imgsrc.getNomRangeBits(comp);
}
outStream.Seek(0, SeekOrigin.Begin);
var ffw = new FileFormatWriter(
outStream,
imgsrc.ImgHeight,
imgsrc.ImgWidth,
nc,
bpc,
fileLength);
fileLength += ffw.writeFileFormat();
}
catch (IOException e)
{
throw new InvalidOperationException("Error while writing JP2 file format: " + e.Message);
}
}
// **** Close image readers ***
imgsrc.close();
return outStream.ToArray();
}
}
/// <summary> Creates a new writer to the specified file, to write data from the
/// specified component.
///
/// <p>The three components that will be written as R, G and B must be
/// specified through the b1, b2 and b3 arguments.</p>
///
/// </summary>
/// <param name="fname">The name of the file where to write the data
///
/// </param>
/// <param name="imgSrc">The source from where to get the image data to write.
///
/// </param>
/// <param name="n1">The index of the first component from where to get the data,
/// that will be written as the red channel.
///
/// </param>
/// <param name="n2">The index of the second component from where to get the data,
/// that will be written as the green channel.
///
/// </param>
/// <param name="n3">The index of the third component from where to get the data,
/// that will be written as the green channel.
///
/// </param>
/// <seealso cref="DataBlk">
///
/// </seealso>
public ImgWriterPPM(System.String fname, BlkImgDataSrc imgSrc, int n1, int n2, int n3) : this(new System.IO.FileInfo(fname), imgSrc, n1, n2, n3)
{
}
/// <summary> Creates a new writer to the specified file, to write data from the
/// specified component.
///
/// <p>The three components that will be written as R, G and B must be
/// specified through the b1, b2 and b3 arguments.</p>
///
/// </summary>
/// <param name="fname">The name of the file where to write the data
///
/// </param>
/// <param name="imgSrc">The source from where to get the image data to write.
///
/// </param>
/// <param name="n1">The index of the first component from where to get the data,
/// that will be written as the red channel.
///
/// </param>
/// <param name="n2">The index of the second component from where to get the data,
/// that will be written as the green channel.
///
/// </param>
/// <param name="n3">The index of the third component from where to get the data,
/// that will be written as the green channel.
///
/// </param>
/// <seealso cref="DataBlk">
///
/// </seealso>
public ImgWriterPPM(System.String fname, BlkImgDataSrc imgSrc, int n1, int n2, int n3):this(new System.IO.FileInfo(fname), imgSrc, n1, n2, n3)
{
}
/// <summary> Ctor which creates an ICCProfile for the image and initializes
/// all data objects (input, working, and output).
///
/// </summary>
/// <param name="src">-- Source of image data
/// </param>
/// <param name="csm">-- provides colorspace info
/// </param>
protected internal ChannelDefinitionMapper(BlkImgDataSrc src, ColorSpace csMap):base(src, csMap)
{
/* end ChannelDefinitionMapper ctor */
}
/// <summary> Constructs a new ImgDataConverter object that operates on the specified
/// source of image data.
///
/// </summary>
/// <param name="imgSrc">The source from where to get the data to be transformed
///
/// </param>
/// <param name="fp">The number of fraction bits in the casted ints
///
/// </param>
/// <seealso cref="BlkImgDataSrc">
///
/// </seealso>
public ImgDataConverter(BlkImgDataSrc imgSrc, int fp)
: base(imgSrc)
{
src = imgSrc;
this.fp = fp;
}
/// <summary> Constructs a new ForwCompTransf object that operates on the specified
/// source of image data.
///
/// </summary>
/// <param name="imgSrc">The source from where to get the data to be transformed
///
/// </param>
/// <param name="encSpec">The encoder specifications
///
/// </param>
/// <seealso cref="BlkImgDataSrc">
///
/// </seealso>
public ForwCompTransf(BlkImgDataSrc imgSrc, EncoderSpecs encSpec):base(imgSrc)
{
this.cts = encSpec.cts;
this.wfs = encSpec.wfs;
src = imgSrc;
}
/// <summary> Creates a new writer to the specified file, to write data from the
/// specified component.
///
/// <P>The size of the image that is written to the file is the size of the
/// component from which to get the data, specified by b, not the size of
/// the source image (they differ if there is some sub-sampling).
///
/// </summary>
/// <param name="fname">The name of the file where to write the data
///
/// </param>
/// <param name="imgSrc">The source from where to get the image data to write.
///
/// </param>
/// <param name="c">The index of the component from where to get the data.
///
/// </param>
public ImgWriterPGM(System.String fname, BlkImgDataSrc imgSrc, int c)
: this(FileInfoFactory.New(fname), imgSrc, c)
{
}
/// <summary> Creates a new writer to the specified file, to write data from the
/// specified component.
///
/// <P>The size of the image that is written to the file is the size of the
/// component from which to get the data, specified by b, not the size of
/// the source image (they differ if there is some sub-sampling).
///
/// </summary>
/// <param name="fname">The name of the file where to write the data
///
/// </param>
/// <param name="imgSrc">The source from where to get the image data to write.
///
/// </param>
/// <param name="c">The index of the component from where to get the data.
///
/// </param>
public ImgWriterPGM(System.String fname, BlkImgDataSrc imgSrc, int c) : this(FileInfoFactory.New(fname), imgSrc, c)
{
}
/// <summary> Ctor which creates an ICCProfile for the image and initializes
/// all data objects (input, working, and output).
///
/// </summary>
/// <param name="src">-- Source of image data
/// </param>
/// <param name="csm">-- provides colorspace info
///
/// </param>
protected internal ColorSpaceMapper(BlkImgDataSrc src, ColorSpace csMap)
: base(src)
{
InitBlock();
this.src = src;
this.csMap = csMap;
initialize();
/* end ColorSpaceMapper ctor */
}
/// <summary> Creates a new writer to the specified file, to write data from the
/// specified component.
///
/// <p>The size of the image that is written to the file is the size of the
/// component from which to get the data, specified by b, not the size of
/// the source image (they differ if there is some sub-sampling).</p>
///
/// <p>All header information is given by the BlkImgDataSrc source
/// (component width, component height, bit-depth) and sign flag, which are
/// provided to the constructor. The endianness is always big-endian (MSB
/// first).
///
/// </summary>
/// <param name="fname">The name of the file where to write the data
///
/// </param>
/// <param name="imgSrc">The source from where to get the image data to write.
///
/// </param>
/// <param name="c">The index of the component from where to get the data.
///
/// </param>
/// <param name="isSigned">Whether the datas are signed or not (needed only when
/// writing header).
///
/// </param>
/// <seealso cref="DataBlk">
///
/// </seealso>
public ImgWriterPGX(System.String fname, BlkImgDataSrc imgSrc, int c, bool isSigned):this(new System.IO.FileInfo(fname), imgSrc, c, isSigned)
{
}
/// <summary> Constructs a new tiler with the specified 'BlkImgDataSrc' source,
/// image origin, tiling origin and nominal tile size.
///
/// </summary>
/// <param name="src">The 'BlkImgDataSrc' source from where to get the image
/// data. It must not be tiled and the image origin must be at '(0,0)' on
/// its canvas.
///
/// </param>
/// <param name="ax">The horizontal coordinate of the image origin in the canvas
/// system, on the reference grid (i.e. the image's top-left corner in the
/// reference grid).
///
/// </param>
/// <param name="ay">The vertical coordinate of the image origin in the canvas
/// system, on the reference grid (i.e. the image's top-left corner in the
/// reference grid).
///
/// </param>
/// <param name="px">The horizontal tiling origin, in the canvas system, on the
/// reference grid. It must satisfy 'px<=ax'.
///
/// </param>
/// <param name="py">The vertical tiling origin, in the canvas system, on the
/// reference grid. It must satisfy 'py<=ay'.
///
/// </param>
/// <param name="nw">The nominal tile width, on the reference grid. If 0 then
/// there is no tiling in that direction.
///
/// </param>
/// <param name="nh">The nominal tile height, on the reference grid. If 0 then
/// there is no tiling in that direction.
///
/// </param>
/// <exception cref="IllegalArgumentException">If src is tiled or "canvased", or
/// if the arguments do not satisfy the specified constraints.
///
/// </exception>
public Tiler(BlkImgDataSrc src, int ax, int ay, int px, int py, int nw, int nh):base(src)
{
// Initialize
this.src = src;
this.x0siz = ax;
this.y0siz = ay;
this.xt0siz = px;
this.yt0siz = py;
this.xtsiz = nw;
this.ytsiz = nh;
// Verify that input is not tiled
if (src.getNumTiles() != 1)
{
throw new System.ArgumentException("Source is tiled");
}
// Verify that source is not "canvased"
if (src.ImgULX != 0 || src.ImgULY != 0)
{
throw new System.ArgumentException("Source is \"canvased\"");
}
// Verify that arguments satisfy trivial requirements
if (x0siz < 0 || y0siz < 0 || xt0siz < 0 || yt0siz < 0 || xtsiz < 0 || ytsiz < 0 || xt0siz > x0siz || yt0siz > y0siz)
{
throw new System.ArgumentException("Invalid image origin, " + "tiling origin or nominal " + "tile size");
}
// If no tiling has been specified, creates a unique tile with maximum
// dimension.
if (xtsiz == 0)
xtsiz = x0siz + src.ImgWidth - xt0siz;
if (ytsiz == 0)
ytsiz = y0siz + src.ImgHeight - yt0siz;
// Automatically adjusts xt0siz,yt0siz so that tile (0,0) always
// overlaps with the image.
if (x0siz - xt0siz >= xtsiz)
{
xt0siz += ((x0siz - xt0siz) / xtsiz) * xtsiz;
}
if (y0siz - yt0siz >= ytsiz)
{
yt0siz += ((y0siz - yt0siz) / ytsiz) * ytsiz;
}
if (x0siz - xt0siz >= xtsiz || y0siz - yt0siz >= ytsiz)
{
FacilityManager.getMsgLogger().printmsg(CSJ2K.j2k.util.MsgLogger_Fields.INFO, "Automatically adjusted tiling " + "origin to equivalent one (" + xt0siz + "," + yt0siz + ") so that " + "first tile overlaps the image");
}
// Calculate the number of tiles
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
ntX = (int) System.Math.Ceiling((x0siz + src.ImgWidth) / (double) xtsiz);
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
ntY = (int) System.Math.Ceiling((y0siz + src.ImgHeight) / (double) ytsiz);
}
/// <summary> Creates a ForwardWT object with the specified filters, and with other
/// options specified in the parameter list 'pl'.
///
/// </summary>
/// <param name="src">The source of data to be transformed
///
/// </param>
/// <param name="pl">The parameter list (or options).
///
/// </param>
/// <param name="kers">The encoder specifications.
///
/// </param>
/// <returns> A new ForwardWT object with the specified filters and options
/// from 'pl'.
///
/// </returns>
/// <exception cref="IllegalArgumentException">If mandatory parameters are missing
/// or if invalid values are given.
///
/// </exception>
public static ForwardWT createInstance(BlkImgDataSrc src, ParameterList pl, EncoderSpecs encSpec)
{
int deflev; // defdec removed
//System.String decompstr;
//System.String wtstr;
//System.String pstr;
//SupportClass.StreamTokenizerSupport stok;
//SupportClass.Tokenizer strtok;
//int prefx, prefy; // Partitioning reference point coordinates
// Check parameters
pl.checkList(OPT_PREFIX, CSJ2K.j2k.util.ParameterList.toNameArray(pinfo));
deflev = ((System.Int32) encSpec.dls.getDefault());
// Code-block partition origin
System.String str = "";
if (pl.getParameter("Wcboff") == null)
{
throw new System.ApplicationException("You must specify an argument to the '-Wcboff' " + "option. See usage with the '-u' option");
}
SupportClass.Tokenizer stk = new SupportClass.Tokenizer(pl.getParameter("Wcboff"));
if (stk.Count != 2)
{
throw new System.ArgumentException("'-Wcboff' option needs two" + " arguments. See usage with " + "the '-u' option.");
}
int cb0x = 0;
str = stk.NextToken();
try
{
cb0x = (System.Int32.Parse(str));
}
catch (System.FormatException)
{
throw new System.ArgumentException("Bad first parameter for the " + "'-Wcboff' option: " + str);
}
if (cb0x < 0 || cb0x > 1)
{
throw new System.ArgumentException("Invalid horizontal " + "code-block partition origin.");
}
int cb0y = 0;
str = stk.NextToken();
try
{
cb0y = (System.Int32.Parse(str));
}
catch (System.FormatException)
{
throw new System.ArgumentException("Bad second parameter for the " + "'-Wcboff' option: " + str);
}
if (cb0y < 0 || cb0y > 1)
{
throw new System.ArgumentException("Invalid vertical " + "code-block partition origin.");
}
if (cb0x != 0 || cb0y != 0)
{
FacilityManager.getMsgLogger().printmsg(CSJ2K.j2k.util.MsgLogger_Fields.WARNING, "Code-blocks partition origin is " + "different from (0,0). This is defined in JPEG 2000" + " part 2 and may be not supported by all JPEG 2000 " + "decoders.");
}
return new ForwWTFull(src, encSpec, cb0x, cb0y);
}
/// <summary> Factory method for creating instances of this class.</summary>
/// <param name="src">-- source of image data
/// </param>
/// <param name="csMap">-- provides colorspace info
/// </param>
/// <returns> Resampler instance
/// </returns>
public static new BlkImgDataSrc createInstance(BlkImgDataSrc src, ColorSpace csMap)
{
return new Resampler(src, csMap);
}
/// <summary> Ctor which creates an ICCProfile for the image and initializes
/// all data objects (input, working, and output).
///
/// </summary>
/// <param name="src">-- Source of image data
/// </param>
/// <param name="csm">-- provides colorspace info
/// </param>
protected internal ChannelDefinitionMapper(BlkImgDataSrc src, ColorSpace csMap) : base(src, csMap)
{
/* end ChannelDefinitionMapper ctor */
}
/// <summary> Ctor which creates an ICCProfile for the image and initializes
/// all data objects (input, working, and output).
///
/// </summary>
/// <param name="src">-- Source of image data
/// </param>
/// <param name="csm">-- provides colorspace info
/// </param>
protected internal PalettizedColorSpaceMapper(BlkImgDataSrc src, ColorSpace csMap):base(src, csMap)
{
pbox = csMap.PaletteBox;
initialize();
}
/// <summary> Factory method for creating instances of this class.</summary>
/// <param name="src">-- source of image data
/// </param>
/// <param name="csMap">-- provides colorspace info
/// </param>
/// <returns> PalettizedColorSpaceMapper instance
/// </returns>
public static new BlkImgDataSrc createInstance(BlkImgDataSrc src, ColorSpace csMap)
{
return(new PalettizedColorSpaceMapper(src, csMap));
}
/// <summary> Constructs a new ImgDataConverter object that operates on the specified
/// source of image data.
///
/// </summary>
/// <param name="imgSrc">The source from where to get the data to be transformed
///
/// </param>
/// <seealso cref="BlkImgDataSrc">
///
/// </seealso>
public ImgDataConverter(BlkImgDataSrc imgSrc)
: base(imgSrc)
{
src = imgSrc;
fp = 0;
}
/// <summary> Factory method for creating instances of this class.</summary>
/// <param name="src">-- source of image data
/// </param>
/// <param name="csMap">-- provides colorspace info
/// </param>
/// <returns> ColorSpaceMapper instance
/// </returns>
/// <exception cref="IOException">profile access exception
/// </exception>
public static BlkImgDataSrc createInstance(BlkImgDataSrc src, ColorSpace csMap)
{
// Check parameters
csMap.pl.checkList(OPT_PREFIX, CSJ2K.j2k.util.ParameterList.toNameArray(pinfo));
// Perform ICCProfiling or ColorSpace tranfsormation.
if (csMap.Method == ColorSpace.MethodEnum.ICC_PROFILED)
{
return ICCProfiler.createInstance(src, csMap);
}
else
{
ColorSpace.CSEnum colorspace = csMap.getColorSpace();
if (colorspace == ColorSpace.CSEnum.sRGB)
{
return EnumeratedColorSpaceMapper.createInstance(src, csMap);
}
else if (colorspace == ColorSpace.CSEnum.GreyScale)
{
return EnumeratedColorSpaceMapper.createInstance(src, csMap);
}
else if (colorspace == ColorSpace.CSEnum.sYCC)
{
return SYccColorSpaceMapper.createInstance(src, csMap);
}
if (colorspace == ColorSpace.CSEnum.esRGB)
{
return EsRgbColorSpaceMapper.createInstance(src, csMap);
}
else if (colorspace == ColorSpace.CSEnum.Unknown)
{
return null;
}
else
{
throw new ColorSpaceException("Bad color space specification in image");
}
}
}
/// <summary> Creates a new writer to the specified file, to write data from the
/// specified component.
///
/// <P>The size of the image that is written to the file is the size of the
/// component from which to get the data, specified by b, not the size of
/// the source image (they differ if there is some sub-sampling).
///
/// </summary>
/// <param name="fname">The name of the file where to write the data
///
/// </param>
/// <param name="imgSrc">The source from where to get the image data to write.
///
/// </param>
/// <param name="c">The index of the component from where to get the data.
///
/// </param>
public ImgWriterPGM(System.String fname, BlkImgDataSrc imgSrc, int c) : this(new System.IO.FileInfo(fname), imgSrc, c)
{
}
/// <summary> Creates a new PrecinctSizeSpec object for the specified number of tiles
/// and components and the ParameterList instance.
///
/// </summary>
/// <param name="nt">The number of tiles
///
/// </param>
/// <param name="nc">The number of components
///
/// </param>
/// <param name="type">the type of the specification module i.e. tile specific,
/// component specific or both.
///
/// </param>
/// <param name="imgsrc">The image source (used to get the image size)
///
/// </param>
/// <param name="pl">The ParameterList instance
///
/// </param>
public PrecinctSizeSpec(int nt, int nc, byte type, BlkImgDataSrc imgsrc, IntegerSpec dls, ParameterList pl):base(nt, nc, type)
{
this.dls = dls;
// The precinct sizes are stored in a 2 elements vector array, the
// first element containing a vector for the precincts width for each
// resolution level and the second element containing a vector for the
// precincts height for each resolution level. The precincts sizes are
// specified from the highest resolution level to the lowest one
// (i.e. 0). If there are less elements than the number of
// decomposition levels, the last element is used for all remaining
// resolution levels (i.e. if the precincts sizes are specified only
// for resolutions levels 5, 4 and 3, then the precincts size for
// resolution levels 2, 1 and 0 will be the same as the size used for
// resolution level 3).
// Boolean used to know if we were previously reading a precinct's
// size or if we were reading something else.
bool wasReadingPrecinctSize = false;
System.String param = pl.getParameter(optName);
// Set precinct sizes to default i.e. 2^15 =
// Markers.PRECINCT_PARTITION_DEF_SIZE
System.Collections.ArrayList[] tmpv = new System.Collections.ArrayList[2];
tmpv[0] = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10)); // ppx
tmpv[0].Add((System.Int32) CSJ2K.j2k.codestream.Markers.PRECINCT_PARTITION_DEF_SIZE);
tmpv[1] = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10)); // ppy
tmpv[1].Add((System.Int32) CSJ2K.j2k.codestream.Markers.PRECINCT_PARTITION_DEF_SIZE);
setDefault(tmpv);
if (param == null)
{
// No precinct size specified in the command line so we do not try
// to parse it.
return ;
}
// Precinct partition is used : parse arguments
SupportClass.Tokenizer stk = new SupportClass.Tokenizer(param);
byte curSpecType = SPEC_DEF; // Specification type of the
// current parameter
bool[] tileSpec = null; // Tiles concerned by the specification
bool[] compSpec = null; // Components concerned by the specification
int ci, ti; //i, xIdx removed
bool endOfParamList = false;
System.String word = null; // current word
System.Int32 w, h;
System.String errMsg = null;
while ((stk.HasMoreTokens() || wasReadingPrecinctSize) && !endOfParamList)
{
System.Collections.ArrayList[] v = new System.Collections.ArrayList[2]; // v[0] : ppx, v[1] : ppy
// We do not read the next token if we were reading a precinct's
// size argument as we have already read the next token into word.
if (!wasReadingPrecinctSize)
{
word = stk.NextToken();
}
wasReadingPrecinctSize = false;
switch (word[0])
{
case 't': // Tiles specification
tileSpec = parseIdx(word, nTiles);
if (curSpecType == SPEC_COMP_DEF)
{
curSpecType = SPEC_TILE_COMP;
}
else
{
curSpecType = SPEC_TILE_DEF;
}
break;
case 'c': // Components specification
compSpec = parseIdx(word, nComp);
if (curSpecType == SPEC_TILE_DEF)
{
curSpecType = SPEC_TILE_COMP;
}
else
{
curSpecType = SPEC_COMP_DEF;
}
break;
default:
if (!System.Char.IsDigit(word[0]))
{
errMsg = "Bad construction for parameter: " + word;
throw new System.ArgumentException(errMsg);
}
// Initialises Vector objects
v[0] = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10)); // ppx
v[1] = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10)); // ppy
while (true)
{
// Now get the precinct dimensions
try
{
// Get precinct width
w = System.Int32.Parse(word);
// Get next word in argument list
try
{
word = stk.NextToken();
}
catch (System.ArgumentOutOfRangeException)
{
errMsg = "'" + optName + "' option : could not " + "parse the precinct's width";
throw new System.ArgumentException(errMsg);
}
// Get precinct height
h = System.Int32.Parse(word);
if (w != (1 << MathUtil.log2(w)) || h != (1 << MathUtil.log2(h)))
{
errMsg = "Precinct dimensions must be powers of 2";
throw new System.ArgumentException(errMsg);
}
}
catch (System.FormatException)
{
errMsg = "'" + optName + "' option : the argument '" + word + "' could not be parsed.";
throw new System.ArgumentException(errMsg);
}
// Store packet's dimensions in Vector arrays
v[0].Add(w);
v[1].Add(h);
// Try to get the next token
if (stk.HasMoreTokens())
{
word = stk.NextToken();
if (!System.Char.IsDigit(word[0]))
{
// The next token does not start with a digit so
// it is not a precinct's size argument. We set
// the wasReadingPrecinctSize booleen such that we
// know that we don't have to read another token
// and check for the end of the parameters list.
wasReadingPrecinctSize = true;
if (curSpecType == SPEC_DEF)
{
setDefault(v);
}
else if (curSpecType == SPEC_TILE_DEF)
{
for (ti = tileSpec.Length - 1; ti >= 0; ti--)
{
if (tileSpec[ti])
{
setTileDef(ti, v);
}
}
}
else if (curSpecType == SPEC_COMP_DEF)
{
for (ci = compSpec.Length - 1; ci >= 0; ci--)
{
if (compSpec[ci])
{
setCompDef(ci, v);
}
}
}
else
{
for (ti = tileSpec.Length - 1; ti >= 0; ti--)
{
for (ci = compSpec.Length - 1; ci >= 0; ci--)
{
if (tileSpec[ti] && compSpec[ci])
{
setTileCompVal(ti, ci, v);
}
}
}
}
// Re-initialize
curSpecType = SPEC_DEF;
tileSpec = null;
compSpec = null;
// Go back to 'normal' parsing
break;
}
else
{
// Next token starts with a digit so read it
}
}
else
{
// We have reached the end of the parameters list so
// we store the last precinct's sizes and we stop
if (curSpecType == SPEC_DEF)
{
setDefault(v);
}
else if (curSpecType == SPEC_TILE_DEF)
{
for (ti = tileSpec.Length - 1; ti >= 0; ti--)
{
if (tileSpec[ti])
{
setTileDef(ti, v);
}
}
}
else if (curSpecType == SPEC_COMP_DEF)
{
for (ci = compSpec.Length - 1; ci >= 0; ci--)
{
if (compSpec[ci])
{
setCompDef(ci, v);
}
}
}
else
{
for (ti = tileSpec.Length - 1; ti >= 0; ti--)
{
for (ci = compSpec.Length - 1; ci >= 0; ci--)
{
if (tileSpec[ti] && compSpec[ci])
{
setTileCompVal(ti, ci, v);
}
}
}
}
endOfParamList = true;
break;
}
} // while (true)
break;
} // switch
} // while
}
/// <summary> Constructs a new ImgDataConverter object that operates on the specified
/// source of image data.
///
/// </summary>
/// <param name="imgSrc">The source from where to get the data to be transformed
///
/// </param>
/// <seealso cref="BlkImgDataSrc">
///
/// </seealso>
public ImgDataConverter(BlkImgDataSrc imgSrc):base(imgSrc)
{
src = imgSrc;
fp = 0;
}
/// <summary> Initializes this object with the given source of image data and with
/// all the decompositon parameters
///
/// </summary>
/// <param name="src">From where the image data should be obtained.
///
/// </param>
/// <param name="encSpec">The encoder specifications
///
/// </param>
/// <param name="cb0x">The horizontal coordinate of the code-block partition
/// origin on the reference grid.
///
/// </param>
/// <param name="cb0y">The vertical coordinate of the code-block partition origin
/// on the reference grid.
///
/// </param>
/// <seealso cref="ForwardWT">
///
/// </seealso>
public ForwWTFull(BlkImgDataSrc src, EncoderSpecs encSpec, int cb0x, int cb0y):base(src)
{
this.src = src;
this.cb0x = cb0x;
this.cb0y = cb0y;
this.dls = encSpec.dls;
this.filters = encSpec.wfs;
this.cblks = encSpec.cblks;
this.pss = encSpec.pss;
int ncomp = src.NumComps;
int ntiles = src.getNumTiles();
currentSubband = new SubbandAn[ncomp];
decomposedComps = new DataBlk[ncomp];
subbTrees = new SubbandAn[ntiles][];
for (int i = 0; i < ntiles; i++)
{
subbTrees[i] = new SubbandAn[ncomp];
}
lastn = new int[ncomp];
lastm = new int[ncomp];
}
/// <summary> Creates a ForwardWT object with the specified filters, and with other
/// options specified in the parameter list 'pl'.
///
/// </summary>
/// <param name="src">The source of data to be transformed
///
/// </param>
/// <param name="pl">The parameter list (or options).
///
/// </param>
/// <param name="kers">The encoder specifications.
///
/// </param>
/// <returns> A new ForwardWT object with the specified filters and options
/// from 'pl'.
///
/// </returns>
/// <exception cref="IllegalArgumentException">If mandatory parameters are missing
/// or if invalid values are given.
///
/// </exception>
public static ForwardWT createInstance(BlkImgDataSrc src, ParameterList pl, EncoderSpecs encSpec)
{
int deflev; // defdec removed
//System.String decompstr;
//System.String wtstr;
//System.String pstr;
//SupportClass.StreamTokenizerSupport stok;
//SupportClass.Tokenizer strtok;
//int prefx, prefy; // Partitioning reference point coordinates
// Check parameters
pl.checkList(OPT_PREFIX, CSJ2K.j2k.util.ParameterList.toNameArray(pinfo));
deflev = ((System.Int32)encSpec.dls.getDefault());
// Code-block partition origin
System.String str = "";
if (pl.getParameter("Wcboff") == null)
{
throw new System.InvalidOperationException("You must specify an argument to the '-Wcboff' " + "option. See usage with the '-u' option");
}
SupportClass.Tokenizer stk = new SupportClass.Tokenizer(pl.getParameter("Wcboff"));
if (stk.Count != 2)
{
throw new System.ArgumentException("'-Wcboff' option needs two" + " arguments. See usage with " + "the '-u' option.");
}
int cb0x = 0;
str = stk.NextToken();
try
{
cb0x = (System.Int32.Parse(str));
}
catch (System.FormatException e)
{
throw new System.ArgumentException("Bad first parameter for the " + "'-Wcboff' option: " + str);
}
if (cb0x < 0 || cb0x > 1)
{
throw new System.ArgumentException("Invalid horizontal " + "code-block partition origin.");
}
int cb0y = 0;
str = stk.NextToken();
try
{
cb0y = (System.Int32.Parse(str));
}
catch (System.FormatException e)
{
throw new System.ArgumentException("Bad second parameter for the " + "'-Wcboff' option: " + str);
}
if (cb0y < 0 || cb0y > 1)
{
throw new System.ArgumentException("Invalid vertical " + "code-block partition origin.");
}
if (cb0x != 0 || cb0y != 0)
{
FacilityManager.getMsgLogger().printmsg(CSJ2K.j2k.util.MsgLogger_Fields.WARNING, "Code-blocks partition origin is " + "different from (0,0). This is defined in JPEG 2000" + " part 2 and may be not supported by all JPEG 2000 " + "decoders.");
}
return(new ForwWTFull(src, encSpec, cb0x, cb0y));
}
/// <summary> Constructs a new ForwCompTransf object that operates on the
/// specified source of image data.
///
/// </summary>
/// <param name="imgSrc">The source from where to get the data to be
/// transformed
///
/// </param>
/// <param name="decSpec">The decoder specifications
///
/// </param>
/// <param name="utdepth">The bit depth of the un-transformed components
///
/// </param>
/// <param name="pl">The command line optinons of the decoder
///
/// </param>
/// <seealso cref="BlkImgDataSrc">
///
/// </seealso>
public InvCompTransf(BlkImgDataSrc imgSrc, DecoderSpecs decSpec, int[] utdepth, ParameterList pl):base(imgSrc)
{
this.cts = decSpec.cts;
this.wfs = decSpec.wfs;
src = imgSrc;
this.utdepth = utdepth;
noCompTransf = !(pl.getBooleanParameter("comp_transf"));
}
/// <summary> Constructs a new ImgDataConverter object that operates on the specified
/// source of image data.
///
/// </summary>
/// <param name="imgSrc">The source from where to get the data to be transformed
///
/// </param>
/// <param name="fp">The number of fraction bits in the casted ints
///
/// </param>
/// <seealso cref="BlkImgDataSrc">
///
/// </seealso>
public ImgDataConverter(BlkImgDataSrc imgSrc, int fp):base(imgSrc)
{
src = imgSrc;
this.fp = fp;
}
/// <summary> Creates a new writer to the specified File object, to write data from
/// the specified component.
///
/// <p>The three components that will be written as R, G and B must be
/// specified through the b1, b2 and b3 arguments.</p>
///
/// </summary>
/// <param name="out">The file where to write the data
///
/// </param>
/// <param name="imgSrc">The source from where to get the image data to write.
///
/// </param>
/// <param name="n1">The index of the first component from where to get the data,
/// that will be written as the red channel.
///
/// </param>
/// <param name="n2">The index of the second component from where to get the data,
/// that will be written as the green channel.
///
/// </param>
/// <param name="n3">The index of the third component from where to get the data,
/// that will be written as the green channel.
///
/// </param>
/// <seealso cref="DataBlk">
///
/// </seealso>
public ImgWriterPPM(IFileInfo out_Renamed, BlkImgDataSrc imgSrc, int n1, int n2, int n3)
{
// Check that imgSrc is of the correct type
// Check that the component index is valid
if ((n1 < 0) || (n1 >= imgSrc.NumComps) || (n2 < 0) || (n2 >= imgSrc.NumComps) || (n3 < 0) || (n3 >= imgSrc.NumComps) || (imgSrc.getNomRangeBits(n1) > 8) || (imgSrc.getNomRangeBits(n2) > 8) || (imgSrc.getNomRangeBits(n3) > 8))
{
throw new System.ArgumentException("Invalid component indexes");
}
// Initialize
w = imgSrc.getCompImgWidth(n1);
h = imgSrc.getCompImgHeight(n1);
// Check that all components have same width and height
if (w != imgSrc.getCompImgWidth(n2) || w != imgSrc.getCompImgWidth(n3) || h != imgSrc.getCompImgHeight(n2) || h != imgSrc.getCompImgHeight(n3))
{
throw new System.ArgumentException("All components must have the" + " same dimensions and no" + " subsampling");
}
w = imgSrc.ImgWidth;
h = imgSrc.ImgHeight;
// Continue initialization
if (out_Renamed.Exists && !out_Renamed.Delete())
{
throw new System.IO.IOException("Could not reset file");
}
this.out_Renamed = SupportClass.RandomAccessFileSupport.CreateRandomAccessFile(out_Renamed, "rw");
src = imgSrc;
cps[0] = n1;
cps[1] = n2;
cps[2] = n3;
fb[0] = imgSrc.getFixedPoint(n1);
fb[1] = imgSrc.getFixedPoint(n2);
fb[2] = imgSrc.getFixedPoint(n3);
levShift[0] = 1 << (imgSrc.getNomRangeBits(n1) - 1);
levShift[1] = 1 << (imgSrc.getNomRangeBits(n2) - 1);
levShift[2] = 1 << (imgSrc.getNomRangeBits(n3) - 1);
writeHeaderInfo();
}
/// <summary> Creates a new writer to the specified File object, to write data from
/// the specified component.
///
/// <p>The size of the image that is written to the file is the size of the
/// component from which to get the data, specified by b, not the size of
/// the source image (they differ if there is some sub-sampling).</p>
///
/// <p>All the header informations are given by the BlkImgDataSrc source
/// (component width, component height, bit-depth) and sign flag, which are
/// provided to the constructor. The endianness is always big-endian (MSB
/// first).</p>
///
/// </summary>
/// <param name="out">The file where to write the data
///
/// </param>
/// <param name="imgSrc">The source from where to get the image data to write.
///
/// </param>
/// <param name="c">The index of the component from where to get the data.
///
/// </param>
/// <param name="isSigned">Whether the datas are signed or not (needed only when
/// writing header).
///
/// </param>
/// <seealso cref="DataBlk">
///
/// </seealso>
public ImgWriterPGX(System.IO.FileInfo out_Renamed, BlkImgDataSrc imgSrc, int c, bool isSigned)
{
//Initialize
this.c = c;
bool tmpBool;
if (System.IO.File.Exists(out_Renamed.FullName))
tmpBool = true;
else
tmpBool = System.IO.Directory.Exists(out_Renamed.FullName);
bool tmpBool2;
if (System.IO.File.Exists(out_Renamed.FullName))
{
System.IO.File.Delete(out_Renamed.FullName);
tmpBool2 = true;
}
else if (System.IO.Directory.Exists(out_Renamed.FullName))
{
System.IO.Directory.Delete(out_Renamed.FullName);
tmpBool2 = true;
}
else
tmpBool2 = false;
if (tmpBool && !tmpBool2)
{
throw new System.IO.IOException("Could not reset file");
}
this.out_Renamed = SupportClass.RandomAccessFileSupport.CreateRandomAccessFile(out_Renamed, "rw");
this.isSigned = isSigned;
src = imgSrc;
w = src.ImgWidth;
h = src.ImgHeight;
fb = imgSrc.getFixedPoint(c);
bitDepth = src.getNomRangeBits(this.c);
if ((bitDepth <= 0) || (bitDepth > 31))
{
throw new System.IO.IOException("PGX supports only bit-depth between " + "1 and 31");
}
if (bitDepth <= 8)
{
packBytes = 1;
}
else if (bitDepth <= 16)
{
packBytes = 2;
}
else
{
// <= 31
packBytes = 4;
}
// Writes PGX header
System.String tmpString = "PG " + "ML " + ((this.isSigned)?"- ":"+ ") + bitDepth + " " + w + " " + h + "\n"; // component height
byte[] tmpByte = System.Text.ASCIIEncoding.ASCII.GetBytes(tmpString);
for (int i = 0; i < tmpByte.Length; i++)
{
this.out_Renamed.WriteByte((byte) tmpByte[i]);
}
offset = tmpByte.Length;
maxVal = this.isSigned?((1 << (src.getNomRangeBits(c) - 1)) - 1):((1 << src.getNomRangeBits(c)) - 1);
minVal = this.isSigned?((- 1) * (1 << (src.getNomRangeBits(c) - 1))):0;
levShift = (this.isSigned)?0:1 << (src.getNomRangeBits(c) - 1);
}
public static Image FromStream(Stream stream)
{
RandomAccessIO in_stream = new ISRandomAccessIO(stream);
// Initialize default parameters
ParameterList defpl = GetDefaultParameterList(decoder_pinfo);
// Create parameter list using defaults
ParameterList pl = new ParameterList(defpl);
// **** File Format ****
// If the codestream is wrapped in the jp2 fileformat, Read the
// file format wrapper
FileFormatReader ff = new FileFormatReader(in_stream);
ff.readFileFormat();
if (ff.JP2FFUsed)
{
in_stream.seek(ff.FirstCodeStreamPos);
}
// +----------------------------+
// | Instantiate decoding chain |
// +----------------------------+
// **** Header decoder ****
// Instantiate header decoder and read main header
HeaderInfo hi = new HeaderInfo();
HeaderDecoder hd;
try
{
hd = new HeaderDecoder(in_stream, pl, hi);
}
catch (EndOfStreamException e)
{
throw new ApplicationException("Codestream too short or bad header, unable to decode.", e);
}
int nCompCod = hd.NumComps;
int nTiles = hi.sizValue.NumTiles;
DecoderSpecs decSpec = hd.DecoderSpecs;
// Get demixed bitdepths
int[] depth = new int[nCompCod];
for (int i = 0; i < nCompCod; i++)
{
depth[i] = hd.getOriginalBitDepth(i);
}
// **** Bit stream reader ****
BitstreamReaderAgent breader;
try
{
breader = BitstreamReaderAgent.
createInstance(in_stream, hd, pl, decSpec,
false, hi);
}
catch (IOException e)
{
throw new ApplicationException("Error while reading bit stream header or parsing packets.", e);
}
catch (ArgumentException e)
{
throw new ApplicationException("Cannot instantiate bit stream reader.", e);
}
// **** Entropy decoder ****
EntropyDecoder entdec;
try
{
entdec = hd.createEntropyDecoder(breader, pl);
}
catch (ArgumentException e)
{
throw new ApplicationException("Cannot instantiate entropy decoder.", e);
}
// **** ROI de-scaler ****
ROIDeScaler roids;
try
{
roids = hd.createROIDeScaler(entdec, pl, decSpec);
}
catch (ArgumentException e)
{
throw new ApplicationException("Cannot instantiate roi de-scaler.", e);
}
// **** Dequantizer ****
Dequantizer deq;
try
{
deq = hd.createDequantizer(roids, depth, decSpec);
}
catch (ArgumentException e)
{
throw new ApplicationException("Cannot instantiate dequantizer.", e);
}
// **** Inverse wavelet transform ***
InverseWT invWT;
try
{
// full page inverse wavelet transform
invWT = InverseWT.createInstance(deq, decSpec);
}
catch (ArgumentException e)
{
throw new ApplicationException("Cannot instantiate inverse wavelet transform.", e);
}
int res = breader.ImgRes;
invWT.ImgResLevel = res;
// **** Data converter **** (after inverse transform module)
ImgDataConverter converter = new ImgDataConverter(invWT, 0);
// **** Inverse component transformation ****
InvCompTransf ictransf = new InvCompTransf(converter, decSpec, depth, pl);
// **** Color space mapping ****
BlkImgDataSrc color;
if (ff.JP2FFUsed && pl.getParameter("nocolorspace").Equals("off"))
{
try
{
ColorSpace csMap = new ColorSpace(in_stream, hd, pl);
BlkImgDataSrc channels = hd.createChannelDefinitionMapper(ictransf, csMap);
BlkImgDataSrc resampled = hd.createResampler(channels, csMap);
BlkImgDataSrc palettized = hd.createPalettizedColorSpaceMapper(resampled, csMap);
color = hd.createColorSpaceMapper(palettized, csMap);
}
catch (ArgumentException e)
{
throw new ApplicationException("Could not instantiate ICC profiler.", e);
}
catch (ColorSpaceException e)
{
throw new ApplicationException("Error processing ColorSpace information.", e);
}
}
else
{ // Skip colorspace mapping
color = ictransf;
}
// This is the last image in the decoding chain and should be
// assigned by the last transformation:
BlkImgDataSrc decodedImage = color;
if (color == null)
{
decodedImage = ictransf;
}
int numComps = decodedImage.NumComps;
int bytesPerPixel = numComps; // Assuming 8-bit components
// **** Copy to Bitmap ****
PixelFormat pixelFormat;
switch (numComps)
{
case 1:
pixelFormat = PixelFormat.Format24bppRgb; break;
case 3:
pixelFormat = PixelFormat.Format24bppRgb; break;
case 4:
case 5:
pixelFormat = PixelFormat.Format32bppArgb; break;
default:
throw new ApplicationException("Unsupported PixelFormat. " + numComps + " components.");
}
Bitmap dst = new Bitmap(decodedImage.ImgWidth, decodedImage.ImgHeight, pixelFormat);
Coord numTiles = decodedImage.getNumTiles(null);
int tIdx = 0;
for (int y = 0; y < numTiles.y; y++)
{
// Loop on horizontal tiles
for (int x = 0; x < numTiles.x; x++, tIdx++)
{
decodedImage.setTile(x, y);
int height = decodedImage.getTileCompHeight(tIdx, 0);
int width = decodedImage.getTileCompWidth(tIdx, 0);
int tOffx = decodedImage.getCompULX(0) -
(int)Math.Ceiling(decodedImage.ImgULX /
(double)decodedImage.getCompSubsX(0));
int tOffy = decodedImage.getCompULY(0) -
(int)Math.Ceiling(decodedImage.ImgULY /
(double)decodedImage.getCompSubsY(0));
DataBlkInt[] db = new DataBlkInt[numComps];
int[] ls = new int[numComps];
int[] mv = new int[numComps];
int[] fb = new int[numComps];
for (int i = 0; i < numComps; i++)
{
db[i] = new DataBlkInt();
ls[i] = 1 << (decodedImage.getNomRangeBits(0) - 1);
mv[i] = (1 << decodedImage.getNomRangeBits(0)) - 1;
fb[i] = decodedImage.getFixedPoint(0);
}
for (int l = 0; l < height; l++)
{
for (int i = numComps - 1; i >= 0; i--)
{
db[i].ulx = 0;
db[i].uly = l;
db[i].w = width;
db[i].h = 1;
decodedImage.getInternCompData(db[i], i);
}
int[] k = new int[numComps];
for (int i = numComps - 1; i >= 0; i--)
{
k[i] = db[i].offset + width - 1;
}
int outputBytesPerPixel = Math.Max(3, Math.Min(4, bytesPerPixel));
byte[] rowvalues = new byte[width * outputBytesPerPixel];
for (int i = width - 1; i >= 0; i--)
{
int[] tmp = new int[numComps];
for (int j = numComps - 1; j >= 0; j--)
{
tmp[j] = (db[j].data_array[k[j]--] >> fb[j]) + ls[j];
tmp[j] = (tmp[j] < 0) ? 0 : ((tmp[j] > mv[j]) ? mv[j] : tmp[j]);
if (decodedImage.getNomRangeBits(j) != 8)
{
tmp[j] = (int)Math.Round(((double)tmp[j] / Math.Pow(2D, (double)decodedImage.getNomRangeBits(j))) * 255D);
}
}
int offset = i * outputBytesPerPixel;
switch (numComps)
{
case 1:
rowvalues[offset + 0] = (byte)tmp[0];
rowvalues[offset + 1] = (byte)tmp[0];
rowvalues[offset + 2] = (byte)tmp[0];
break;
case 3:
rowvalues[offset + 0] = (byte)tmp[2];
rowvalues[offset + 1] = (byte)tmp[1];
rowvalues[offset + 2] = (byte)tmp[0];
break;
case 4:
case 5:
rowvalues[offset + 0] = (byte)tmp[2];
rowvalues[offset + 1] = (byte)tmp[1];
rowvalues[offset + 2] = (byte)tmp[0];
rowvalues[offset + 3] = (byte)tmp[3];
break;
}
}
BitmapData dstdata = dst.LockBits(
new System.Drawing.Rectangle(tOffx, tOffy + l, width, 1),
ImageLockMode.WriteOnly, pixelFormat);
IntPtr ptr = dstdata.Scan0;
System.Runtime.InteropServices.Marshal.Copy(rowvalues, 0, ptr, rowvalues.Length);
dst.UnlockBits(dstdata);
}
}
}
return(dst);
}
/// <summary> Creates a new PrecinctSizeSpec object for the specified number of tiles
/// and components and the ParameterList instance.
///
/// </summary>
/// <param name="nt">The number of tiles
///
/// </param>
/// <param name="nc">The number of components
///
/// </param>
/// <param name="type">the type of the specification module i.e. tile specific,
/// component specific or both.
///
/// </param>
/// <param name="imgsrc">The image source (used to get the image size)
///
/// </param>
/// <param name="pl">The ParameterList instance
///
/// </param>
public PrecinctSizeSpec(int nt, int nc, byte type, BlkImgDataSrc imgsrc, IntegerSpec dls, ParameterList pl) : base(nt, nc, type)
{
this.dls = dls;
// The precinct sizes are stored in a 2 elements vector array, the
// first element containing a vector for the precincts width for each
// resolution level and the second element containing a vector for the
// precincts height for each resolution level. The precincts sizes are
// specified from the highest resolution level to the lowest one
// (i.e. 0). If there are less elements than the number of
// decomposition levels, the last element is used for all remaining
// resolution levels (i.e. if the precincts sizes are specified only
// for resolutions levels 5, 4 and 3, then the precincts size for
// resolution levels 2, 1 and 0 will be the same as the size used for
// resolution level 3).
// Boolean used to know if we were previously reading a precinct's
// size or if we were reading something else.
bool wasReadingPrecinctSize = false;
System.String param = pl.getParameter(optName);
// Set precinct sizes to default i.e. 2^15 =
// Markers.PRECINCT_PARTITION_DEF_SIZE
System.Collections.ArrayList[] tmpv = new System.Collections.ArrayList[2];
tmpv[0] = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10)); // ppx
tmpv[0].Add((System.Int32)CSJ2K.j2k.codestream.Markers.PRECINCT_PARTITION_DEF_SIZE);
tmpv[1] = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10)); // ppy
tmpv[1].Add((System.Int32)CSJ2K.j2k.codestream.Markers.PRECINCT_PARTITION_DEF_SIZE);
setDefault(tmpv);
if (param == null)
{
// No precinct size specified in the command line so we do not try
// to parse it.
return;
}
// Precinct partition is used : parse arguments
SupportClass.Tokenizer stk = new SupportClass.Tokenizer(param);
byte curSpecType = SPEC_DEF; // Specification type of the
// current parameter
bool[] tileSpec = null; // Tiles concerned by the specification
bool[] compSpec = null; // Components concerned by the specification
int ci, ti; //i, xIdx removed
bool endOfParamList = false;
System.String word = null; // current word
System.Int32 w, h;
System.String errMsg = null;
while ((stk.HasMoreTokens() || wasReadingPrecinctSize) && !endOfParamList)
{
System.Collections.ArrayList[] v = new System.Collections.ArrayList[2]; // v[0] : ppx, v[1] : ppy
// We do not read the next token if we were reading a precinct's
// size argument as we have already read the next token into word.
if (!wasReadingPrecinctSize)
{
word = stk.NextToken();
}
wasReadingPrecinctSize = false;
switch (word[0])
{
case 't': // Tiles specification
tileSpec = parseIdx(word, nTiles);
if (curSpecType == SPEC_COMP_DEF)
{
curSpecType = SPEC_TILE_COMP;
}
else
{
curSpecType = SPEC_TILE_DEF;
}
break;
case 'c': // Components specification
compSpec = parseIdx(word, nComp);
if (curSpecType == SPEC_TILE_DEF)
{
curSpecType = SPEC_TILE_COMP;
}
else
{
curSpecType = SPEC_COMP_DEF;
}
break;
default:
if (!System.Char.IsDigit(word[0]))
{
errMsg = "Bad construction for parameter: " + word;
throw new System.ArgumentException(errMsg);
}
// Initialises Vector objects
v[0] = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10)); // ppx
v[1] = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10)); // ppy
while (true)
{
// Now get the precinct dimensions
try
{
// Get precinct width
w = System.Int32.Parse(word);
// Get next word in argument list
try
{
word = stk.NextToken();
}
catch (System.ArgumentOutOfRangeException)
{
errMsg = "'" + optName + "' option : could not " + "parse the precinct's width";
throw new System.ArgumentException(errMsg);
}
// Get precinct height
h = System.Int32.Parse(word);
if (w != (1 << MathUtil.log2(w)) || h != (1 << MathUtil.log2(h)))
{
errMsg = "Precinct dimensions must be powers of 2";
throw new System.ArgumentException(errMsg);
}
}
catch (System.FormatException)
{
errMsg = "'" + optName + "' option : the argument '" + word + "' could not be parsed.";
throw new System.ArgumentException(errMsg);
}
// Store packet's dimensions in Vector arrays
v[0].Add(w);
v[1].Add(h);
// Try to get the next token
if (stk.HasMoreTokens())
{
word = stk.NextToken();
if (!System.Char.IsDigit(word[0]))
{
// The next token does not start with a digit so
// it is not a precinct's size argument. We set
// the wasReadingPrecinctSize booleen such that we
// know that we don't have to read another token
// and check for the end of the parameters list.
wasReadingPrecinctSize = true;
if (curSpecType == SPEC_DEF)
{
setDefault(v);
}
else if (curSpecType == SPEC_TILE_DEF)
{
for (ti = tileSpec.Length - 1; ti >= 0; ti--)
{
if (tileSpec[ti])
{
setTileDef(ti, v);
}
}
}
else if (curSpecType == SPEC_COMP_DEF)
{
for (ci = compSpec.Length - 1; ci >= 0; ci--)
{
if (compSpec[ci])
{
setCompDef(ci, v);
}
}
}
else
{
for (ti = tileSpec.Length - 1; ti >= 0; ti--)
{
for (ci = compSpec.Length - 1; ci >= 0; ci--)
{
if (tileSpec[ti] && compSpec[ci])
{
setTileCompVal(ti, ci, v);
}
}
}
}
// Re-initialize
curSpecType = SPEC_DEF;
tileSpec = null;
compSpec = null;
// Go back to 'normal' parsing
break;
}
else
{
// Next token starts with a digit so read it
}
}
else
{
// We have reached the end of the parameters list so
// we store the last precinct's sizes and we stop
if (curSpecType == SPEC_DEF)
{
setDefault(v);
}
else if (curSpecType == SPEC_TILE_DEF)
{
for (ti = tileSpec.Length - 1; ti >= 0; ti--)
{
if (tileSpec[ti])
{
setTileDef(ti, v);
}
}
}
else if (curSpecType == SPEC_COMP_DEF)
{
for (ci = compSpec.Length - 1; ci >= 0; ci--)
{
if (compSpec[ci])
{
setCompDef(ci, v);
}
}
}
else
{
for (ti = tileSpec.Length - 1; ti >= 0; ti--)
{
for (ci = compSpec.Length - 1; ci >= 0; ci--)
{
if (tileSpec[ti] && compSpec[ci])
{
setTileCompVal(ti, ci, v);
}
}
}
}
endOfParamList = true;
break;
}
} // while (true)
break;
} // switch
} // while
}
/// <summary> Creates a new writer to the specified file, to write data from the
/// specified component.
///
/// <p>The three components that will be written as R, G and B must be
/// specified through the b1, b2 and b3 arguments.</p>
///
/// </summary>
/// <param name="fname">The name of the file where to write the data
///
/// </param>
/// <param name="imgSrc">The source from where to get the image data to write.
///
/// </param>
/// <param name="n1">The index of the first component from where to get the data,
/// that will be written as the red channel.
///
/// </param>
/// <param name="n2">The index of the second component from where to get the data,
/// that will be written as the green channel.
///
/// </param>
/// <param name="n3">The index of the third component from where to get the data,
/// that will be written as the green channel.
///
/// </param>
/// <seealso cref="DataBlk">
///
/// </seealso>
public ImgWriterPPM(System.String fname, BlkImgDataSrc imgSrc, int n1, int n2, int n3)
: this(FileInfoFactory.New(fname), imgSrc, n1, n2, n3)
{
}
/// <summary> Creates a new writer to the specified file, to write data from the
/// specified component.
///
/// <p>The size of the image that is written to the file is the size of the
/// component from which to get the data, specified by b, not the size of
/// the source image (they differ if there is some sub-sampling).</p>
///
/// <p>All header information is given by the BlkImgDataSrc source
/// (component width, component height, bit-depth) and sign flag, which are
/// provided to the constructor. The endianness is always big-endian (MSB
/// first).
///
/// </summary>
/// <param name="fname">The name of the file where to write the data
///
/// </param>
/// <param name="imgSrc">The source from where to get the image data to write.
///
/// </param>
/// <param name="c">The index of the component from where to get the data.
///
/// </param>
/// <param name="isSigned">Whether the datas are signed or not (needed only when
/// writing header).
///
/// </param>
/// <seealso cref="DataBlk">
///
/// </seealso>
public ImgWriterPGX(System.String fname, BlkImgDataSrc imgSrc, int c, bool isSigned) : this(new System.IO.FileInfo(fname), imgSrc, c, isSigned)
{
}
/// <summary> Initialize all members with the given number of tiles and components
/// and the command-line arguments stored in a ParameterList instance
///
/// </summary>
/// <param name="nt">Number of tiles
///
/// </param>
/// <param name="nc">Number of components
///
/// </param>
/// <param name="imgsrc">The image source (used to get the image size)
///
/// </param>
/// <param name="pl">The ParameterList instance
///
/// </param>
public EncoderSpecs(int nt, int nc, BlkImgDataSrc imgsrc, ParameterList pl)
{
nTiles = nt;
nComp = nc;
// ROI
rois = new MaxShiftSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP);
// Quantization
pl.checkList(Quantizer.OPT_PREFIX, CSJ2K.j2k.util.ParameterList.toNameArray(Quantizer.ParameterInfo));
qts = new QuantTypeSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, pl);
qsss = new QuantStepSizeSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, pl);
gbs = new GuardBitsSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, pl);
// Wavelet transform
wfs = new AnWTFilterSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, qts, pl);
dls = new IntegerSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, pl, "Wlev");
// Component transformation
cts = new ForwCompTransfSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE, wfs, pl);
// Entropy coder
System.String[] strLcs = new System.String[]{"near_opt", "lazy_good", "lazy"};
lcs = new StringSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, "Clen_calc", strLcs, pl);
System.String[] strTerm = new System.String[]{"near_opt", "easy", "predict", "full"};
tts = new StringSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, "Cterm_type", strTerm, pl);
System.String[] strBoolean = new System.String[]{"on", "off"};
sss = new StringSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, "Cseg_symbol", strBoolean, pl);
css = new StringSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, "Ccausal", strBoolean, pl);
rts = new StringSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, "Cterminate", strBoolean, pl);
mqrs = new StringSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, "CresetMQ", strBoolean, pl);
bms = new StringSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, "Cbypass", strBoolean, pl);
cblks = new CBlkSizeSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, pl);
// Precinct partition
pss = new PrecinctSizeSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE_COMP, imgsrc, dls, pl);
// Codestream
sops = new StringSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE, "Psop", strBoolean, pl);
ephs = new StringSpec(nt, nc, ModuleSpec.SPEC_TYPE_TILE, "Peph", strBoolean, pl);
}
/// <summary> Creates a new writer to the specified file, to write data from the
/// specified component.
///
/// <p>The three components that will be written as R, G and B must be
/// specified through the b1, b2 and b3 arguments.</p>
///
/// </summary>
/// <param name="fname">The name of the file where to write the data
///
/// </param>
/// <param name="imgSrc">The source from where to get the image data to write.
///
/// </param>
/// <param name="n1">The index of the first component from where to get the data,
/// that will be written as the red channel.
///
/// </param>
/// <param name="n2">The index of the second component from where to get the data,
/// that will be written as the green channel.
///
/// </param>
/// <param name="n3">The index of the third component from where to get the data,
/// that will be written as the green channel.
///
/// </param>
/// <seealso cref="DataBlk">
///
/// </seealso>
public ImgWriterPPM(System.String fname, BlkImgDataSrc imgSrc, int n1, int n2, int n3) : this(FileInfoFactory.New(fname), imgSrc, n1, n2, n3)
{
}
/// <summary> Creates and returns the Resampler which converts the input
/// source to one in which all channels have the same number of
/// samples. This is required for colorspace conversions.
///
/// </summary>
/// <param name="src">The bit stream reader agent where to get code-block
/// data from.
/// </param>
/// <param name="csMap">provides color space information from the image file
///
/// </param>
/// <returns> The resampled BlkImgDataSrc
/// </returns>
/// <exception cref="IOException">image access exception
/// </exception>
/// <exception cref="ColorSpaceException">if image contains a bad colorspace box
///
/// </exception>
public virtual BlkImgDataSrc createResampler(BlkImgDataSrc src, CSJ2K.Color.ColorSpace csMap)
{
return Resampler.createInstance(src, csMap);
}
/// <summary> Factory method for creating instances of this class.</summary>
/// <param name="src">-- source of image data
/// </param>
/// <param name="csMap">-- provides colorspace info
/// </param>
/// <returns> ICCProfiler instance
/// </returns>
/// <exception cref="IOException">profile access exception
/// </exception>
/// <exception cref="ICCProfileException">profile content exception
/// </exception>
public static new BlkImgDataSrc createInstance(BlkImgDataSrc src, CSJ2K.Color.ColorSpace csMap)
{
return new ICCProfiler(src, csMap);
}
/// <summary> Ctor which creates an ICCProfile for the image and initializes
/// all data objects (input, working, output).
///
/// </summary>
/// <param name="src">-- Source of image data
/// </param>
/// <param name="csm">-- provides colorspace info
///
/// </param>
/// <exception cref="IOException">
/// </exception>
/// <exception cref="ICCProfileException">
/// </exception>
/// <exception cref="IllegalArgumentException">
/// </exception>
protected internal ICCProfiler(BlkImgDataSrc src, CSJ2K.Color.ColorSpace csMap):base(src, csMap)
{
initialize();
iccp = getICCProfile(csMap);
if (ncomps == 1)
{
xform = new MonochromeTransformTosRGB(iccp, maxValueArray[0], shiftValueArray[0]);
}
else
{
xform = new MatrixBasedTransformTosRGB(iccp, maxValueArray, shiftValueArray);
}
/* end ICCProfiler ctor */
}
/// <summary> Creates and returns the ChannelDefinitonMapper which maps the
/// input channels to the channel definition for the appropriate
/// colorspace.
///
/// </summary>
/// <param name="src">The bit stream reader agent where to get code-block
/// data from.
/// </param>
/// <param name="csMap">provides color space information from the image file
///
/// </param>
/// <returns> The channel definition mapping object
/// </returns>
/// <exception cref="IOException">image access exception
/// </exception>
/// <exception cref="ColorSpaceException">if image contains a bad colorspace box
///
/// </exception>
public virtual BlkImgDataSrc createChannelDefinitionMapper(BlkImgDataSrc src, CSJ2K.Color.ColorSpace csMap)
{
return ChannelDefinitionMapper.createInstance(src, csMap);
}
/// <summary> Creates and returns the PalettizedColorSpaceMapper which uses
/// the input samples as indicies into a sample palette to
/// construct the output.
///
/// </summary>
/// <param name="src">The bit stream reader agent where to get code-block
/// data from.
/// </param>
/// <param name="csMap">provides color space information from the image file
///
/// </param>
/// <returns> a PalettizedColorSpaceMapper instance
/// </returns>
/// <exception cref="IOException">image access exception
/// </exception>
/// <exception cref="ColorSpaceException">if image contains a bad colorspace box
///
/// </exception>
public virtual BlkImgDataSrc createPalettizedColorSpaceMapper(BlkImgDataSrc src, CSJ2K.Color.ColorSpace csMap)
{
return PalettizedColorSpaceMapper.createInstance(src, csMap);
}
