public long getSizeInBytes() { long size = 0L; java.awt.image.Raster raster = this.bufferedImage.getRaster(); if (raster != null) { java.awt.image.DataBuffer db = raster.getDataBuffer(); if (db != null) { size = sizeOfDataBuffer(db); } } return(size); }
/// <summary> /// Returns the bounding box of the transformed destination. The /// rectangle returned will be the actual bounding box of the /// transformed points. The coordinates of the upper-left corner /// of the returned rectangle might not be (0, 0). /// </summary> /// <param name="src"> The <CODE>Raster</CODE> to be transformed. /// </param> /// <returns> The <CODE>Rectangle2D</CODE> representing the destination's /// bounding box. </returns> public Rectangle2D GetBounds2D(Raster src) { int w = src.Width; int h = src.Height; // Get the bounding box of the src and transform the corners float[] pts = new float[] { 0, 0, w, 0, w, h, 0, h }; Xform.Transform(pts, 0, pts, 0, 4); // Get the min, max of the dst float fmaxX = pts[0]; float fmaxY = pts[1]; float fminX = pts[0]; float fminY = pts[1]; for (int i = 2; i < 8; i += 2) { if (pts[i] > fmaxX) { fmaxX = pts[i]; } else if (pts[i] < fminX) { fminX = pts[i]; } if (pts[i + 1] > fmaxY) { fmaxY = pts[i + 1]; } else if (pts[i + 1] < fminY) { fminY = pts[i + 1]; } } return(new Rectangle2D.Float(fminX, fminY, fmaxX - fminX, fmaxY - fminY)); }
/// <summary> /// Returns <code>true</code> if <code>raster</code> is compatible /// with this <code>ColorModel</code> and <code>false</code> if it is /// not. /// </summary> public bool isCompatibleRaster(Raster @raster) { return default(bool); }
/// <summary> /// ColorConverts the image data in the source Raster. /// If the destination Raster is null, a new Raster will be created. /// The number of bands in the source and destination Rasters must /// meet the requirements explained above. The constructor used to /// create this ColorConvertOp must have provided enough information /// to define both source and destination color spaces. See above. /// Otherwise, an exception is thrown. </summary> /// <param name="src"> the source <code>Raster</code> to be converted </param> /// <param name="dest"> the destination <code>WritableRaster</code>, /// or <code>null</code> </param> /// <returns> <code>dest</code> color converted from <code>src</code> /// or a new, converted <code>WritableRaster</code> /// if <code>dest</code> is <code>null</code> </returns> /// <exception cref="IllegalArgumentException"> if the number of source or /// destination bands is incorrect, the source or destination /// color spaces are undefined, or this op was constructed /// with one of the constructors that applies only to /// operations on BufferedImages. </exception> public WritableRaster Filter(Raster src, WritableRaster dest) { if (CSList != null) { /* non-ICC case */ return(NonICCRasterFilter(src, dest)); } int nProfiles = ProfileList.Length; if (nProfiles < 2) { throw new IllegalArgumentException("Source or Destination ColorSpace is undefined"); } if (src.NumBands != ProfileList[0].NumComponents) { throw new IllegalArgumentException("Numbers of source Raster bands and source color space " + "components do not match"); } if (dest == null) { dest = CreateCompatibleDestRaster(src); } else { if (src.Height != dest.Height || src.Width != dest.Width) { throw new IllegalArgumentException("Width or height of Rasters do not match"); } if (dest.NumBands != ProfileList[nProfiles - 1].NumComponents) { throw new IllegalArgumentException("Numbers of destination Raster bands and destination " + "color space components do not match"); } } /* make a new transform if needed */ if (ThisRasterTransform == null) { int i1, whichTrans, renderState; ColorTransform[] theTransforms; /* make the transform list */ theTransforms = new ColorTransform [nProfiles]; /* initialize transform get loop */ if (ProfileList[0].ProfileClass == ICC_Profile.CLASS_OUTPUT) { /* if first profile is a printer * render as colorimetric */ renderState = ICC_Profile.IcRelativeColorimetric; } else { renderState = ICC_Profile.IcPerceptual; /* render any other * class perceptually */ } whichTrans = ColorTransform.In; PCMM mdl = CMSManager.Module; /* get the transforms from each profile */ for (i1 = 0; i1 < nProfiles; i1++) { if (i1 == nProfiles - 1) // last profile? { whichTrans = ColorTransform.Out; // get output transform } else // check for abstract profile { if ((whichTrans == ColorTransform.Simulation) && (ProfileList[i1].ProfileClass == ICC_Profile.CLASS_ABSTRACT)) { renderState = ICC_Profile.IcPerceptual; whichTrans = ColorTransform.In; } } theTransforms[i1] = mdl.createTransform(ProfileList[i1], renderState, whichTrans); /* get this profile's rendering intent to select transform * from next profile */ renderState = GetRenderingIntent(ProfileList[i1]); /* "middle" profiles use simulation transform */ whichTrans = ColorTransform.Simulation; } /* make the net transform */ ThisRasterTransform = mdl.createTransform(theTransforms); } int srcTransferType = src.TransferType; int dstTransferType = dest.TransferType; if ((srcTransferType == DataBuffer.TYPE_FLOAT) || (srcTransferType == DataBuffer.TYPE_DOUBLE) || (dstTransferType == DataBuffer.TYPE_FLOAT) || (dstTransferType == DataBuffer.TYPE_DOUBLE)) { if (SrcMinVals == null) { GetMinMaxValsFromProfiles(ProfileList[0], ProfileList[nProfiles - 1]); } /* color convert the raster */ ThisRasterTransform.colorConvert(src, dest, SrcMinVals, SrcMaxVals, DstMinVals, DstMaxVals); } else { /* color convert the raster */ ThisRasterTransform.colorConvert(src, dest); } return(dest); }
/// <summary> /// Returns the bounding box of the filtered destination Raster. Since /// this is not a geometric operation, the bounding box does not /// change. /// </summary> public Rectangle2D GetBounds2D(Raster src) { return(src.Bounds); }
/// <summary> /// Rescales the pixel data in the source Raster. /// If the destination Raster is null, a new Raster will be created. /// The source and destination must have the same number of bands. /// Otherwise, an IllegalArgumentException is thrown. /// Note that the number of scaling factors/offsets in this object must /// meet the restrictions stated in the class comments above. /// Otherwise, an IllegalArgumentException is thrown. </summary> /// <param name="src"> the <code>Raster</code> to be filtered </param> /// <param name="dst"> the destination for the filtering operation /// or <code>null</code> </param> /// <returns> the filtered <code>WritableRaster</code>. </returns> /// <exception cref="IllegalArgumentException"> if <code>src</code> and /// <code>dst</code> do not have the same number of bands, /// or if the number of scaling factors and offsets in this /// <code>RescaleOp</code> do not meet the requirements /// stated in the class comments. </exception> public WritableRaster Filter(Raster src, WritableRaster dst) { int numBands = src.NumBands; int width = src.Width; int height = src.Height; int[] srcPix = null; int step = 0; int tidx = 0; // Create a new destination Raster, if needed if (dst == null) { dst = CreateCompatibleDestRaster(src); } else if (height != dst.Height || width != dst.Width) { throw new IllegalArgumentException("Width or height of Rasters do not " + "match"); } else if (numBands != dst.NumBands) { // Make sure that the number of bands are equal throw new IllegalArgumentException("Number of bands in src " + numBands + " does not equal number of bands in dest " + dst.NumBands); } // Make sure that the arrays match // Make sure that the low/high/constant arrays match if (Length != 1 && Length != src.NumBands) { throw new IllegalArgumentException("Number of scaling constants " + "does not equal the number of" + " of bands in the src raster"); } // // Try for a native raster rescale first // if (ImagingLib.filter(this, src, dst) != null) { return(dst); } // // Native raster rescale failed. // Try to see if a lookup operation can be used // if (CanUseLookup(src, dst)) { int srcNgray = (1 << SrcNbits); int dstNgray = (1 << DstNbits); if (dstNgray == 256) { ByteLookupTable lut = CreateByteLut(ScaleFactors, Offsets, numBands, srcNgray); LookupOp op = new LookupOp(lut, Hints); op.Filter(src, dst); } else { ShortLookupTable lut = CreateShortLut(ScaleFactors, Offsets, numBands, srcNgray); LookupOp op = new LookupOp(lut, Hints); op.Filter(src, dst); } } else { // // Fall back to the slow code // if (Length > 1) { step = 1; } int sminX = src.MinX; int sY = src.MinY; int dminX = dst.MinX; int dY = dst.MinY; int sX; int dX; // // Determine bits per band to determine maxval for clamps. // The min is assumed to be zero. // REMIND: This must change if we ever support signed data types. // int nbits; int[] dstMax = new int[numBands]; int[] dstMask = new int[numBands]; SampleModel dstSM = dst.SampleModel; for (int z = 0; z < numBands; z++) { nbits = dstSM.GetSampleSize(z); dstMax[z] = (1 << nbits) - 1; dstMask[z] = ~(dstMax[z]); } int val; for (int y = 0; y < height; y++, sY++, dY++) { dX = dminX; sX = sminX; for (int x = 0; x < width; x++, sX++, dX++) { // Get data for all bands at this x,y position srcPix = src.GetPixel(sX, sY, srcPix); tidx = 0; for (int z = 0; z < numBands; z++, tidx += step) { val = (int)(srcPix[z] * ScaleFactors[tidx] + Offsets[tidx]); // Clamp if ((val & dstMask[z]) != 0) { if (val < 0) { val = 0; } else { val = dstMax[z]; } } srcPix[z] = val; } // Put it back for all bands dst.SetPixel(dX, dY, srcPix); } } } return(dst); }
/// <summary> /// Constructs a Raster with the given SampleModel, DataBuffer, and /// parent. /// </summary> public Raster(SampleModel @sampleModel, DataBuffer @dataBuffer, Rectangle @aRegion, Point @sampleModelTranslate, Raster @parent) { }
/// <summary> /// Creates a zeroed destination image with the correct size and number of /// bands. If destCM is <code>null</code>, an appropriate /// <code>ColorModel</code> will be used. </summary> /// <param name="src"> Source image for the filter operation. </param> /// <param name="destCM"> the destination's <code>ColorModel</code>, which /// can be <code>null</code>. </param> /// <returns> a filtered destination <code>BufferedImage</code>. </returns> public virtual BufferedImage CreateCompatibleDestImage(BufferedImage src, ColorModel destCM) { BufferedImage image; int w = src.Width; int h = src.Height; int transferType = DataBuffer.TYPE_BYTE; if (destCM == null) { ColorModel cm = src.ColorModel; Raster raster = src.Raster; if (cm is ComponentColorModel) { DataBuffer db = raster.DataBuffer; bool hasAlpha = cm.HasAlpha(); bool isPre = cm.AlphaPremultiplied; int trans = cm.Transparency; int[] nbits = null; if (Ltable is ByteLookupTable) { if (db.DataType == db.TYPE_USHORT) { // Dst raster should be of type byte if (hasAlpha) { nbits = new int[2]; if (trans == cm.BITMASK) { nbits[1] = 1; } else { nbits[1] = 8; } } else { nbits = new int[1]; } nbits[0] = 8; } // For byte, no need to change the cm } else if (Ltable is ShortLookupTable) { transferType = DataBuffer.TYPE_USHORT; if (db.DataType == db.TYPE_BYTE) { if (hasAlpha) { nbits = new int[2]; if (trans == cm.BITMASK) { nbits[1] = 1; } else { nbits[1] = 16; } } else { nbits = new int[1]; } nbits[0] = 16; } } if (nbits != null) { cm = new ComponentColorModel(cm.ColorSpace, nbits, hasAlpha, isPre, trans, transferType); } } image = new BufferedImage(cm, cm.CreateCompatibleWritableRaster(w, h), cm.AlphaPremultiplied, null); } else { image = new BufferedImage(destCM, destCM.CreateCompatibleWritableRaster(w, h), destCM.AlphaPremultiplied, null); } return(image); }
/// <summary> /// Encodes and writes raster data as a 24-bit bitmap. /// </summary> /// <param name="raster"> /// the source raster data </param> private void Write24(Raster raster) { int width = raster.getWidth(); int height = raster.getHeight(); // calculate bytes per line int bytesPerLine = GetBytesPerLine24(width); // write lines for (int y = height - 1; y >= 0; y--) { // write pixel data for each line for (int x = 0; x < width; x++) { // get RGB values for pixel byte r = (byte)raster.getSample(x, y, 0); byte g = (byte)raster.getSample(x, y, 1); byte b = (byte)raster.getSample(x, y, 2); // write RGB values writer.Write(b); writer.Write(g); writer.Write(r); } // write padding bytes at end of line for (int i = width * 3; i < bytesPerLine; i++) { writer.Write((byte)0); } } }
/// <summary> /// Copies pixels from Raster srcRaster to this WritableRaster. /// </summary> public void setRect(Raster @srcRaster) { }
/// <summary> /// Encodes and writes raster data as a 4-bit bitmap. /// </summary> /// <param name="raster"> /// the source raster data </param> private void Write4(Raster raster) { int width = raster.getWidth(); int height = raster.getHeight(); // calculate bytes per line int bytesPerLine = GetBytesPerLine4(width); // line buffer byte[] line = new byte[bytesPerLine]; // encode and write lines for (int y = height - 1; y >= 0; y--) { // clear line buffer for (int i = 0; i < bytesPerLine; i++) { line[i] = 0; } // encode raster data for line for (int x = 0; x < width; x++) { // calculate buffer index int bi = x / 2; // calculate nibble index (high order or low order) int i = x % 2; // get color index int index = raster.getSample(x, y, 0); // set color index in buffer line[bi] = SetNibble(line[bi], i, index); } // write line data (padding bytes included) writer.Write(line); } }
/// <summary> /// Encodes and writes raster data as an 8-bit bitmap. /// </summary> /// <param name="raster"> /// the source raster data </param> private void Write8(Raster raster) { int width = raster.getWidth(); int height = raster.getHeight(); // calculate bytes per line int bytesPerLine = GetBytesPerLine8(width); // write lines for (int y = height - 1; y >= 0; y--) { // write raster data for each line for (int x = 0; x < width; x++) { // get color index for pixel byte index = (byte)raster.getSample(x, y, 0); // write color index writer.Write(index); } // write padding bytes at end of line for (int i = width; i < bytesPerLine; i++) { writer.Write((byte)0); } } }
/// <summary> /// Encodes and writes raster data as a 1-bit bitmap. /// </summary> /// <param name="raster"> /// the source raster data </param> private void Write1(Raster raster) { int bytesPerLine = GetBytesPerLine1(raster.getWidth()); byte[] line = new byte[bytesPerLine]; for (int y = raster.getHeight() - 1; y >= 0; y--) { for (int i = 0; i < bytesPerLine; i++) { line[i] = 0; } for (int x = 0; x < raster.getWidth(); x++) { int bi = x / 8; int i = x % 8; int index = raster.getSample(x, y, 0); line[bi] = SetBit(line[bi], i, index); } writer.Write(line); } }
/// <summary> /// Sets a rectangular region of the image to the contents of the /// specified <code>Raster</code> <code>r</code>, which is /// assumed to be in the same coordinate space as the /// <code>BufferedImage</code>. /// </summary> public void setData(Raster @r) { }
/// <summary> /// Creates a zeroed-destination <code>Raster</code> with the correct /// size and number of bands, given this source. </summary> /// <param name="src"> the source <code>Raster</code> </param> /// <returns> the zeroed-destination <code>Raster</code>. </returns> public virtual WritableRaster CreateCompatibleDestRaster(Raster src) { return(src.CreateCompatibleWritableRaster(src.Width, src.Height)); }
private BufferedImage NonICCBIFilter(BufferedImage src, ColorSpace srcColorSpace, BufferedImage dst, ColorSpace dstColorSpace) { int w = src.Width; int h = src.Height; ICC_ColorSpace ciespace = (ICC_ColorSpace)ColorSpace.GetInstance(ColorSpace.CS_CIEXYZ); if (dst == null) { dst = CreateCompatibleDestImage(src, null); dstColorSpace = dst.ColorModel.ColorSpace; } else { if ((h != dst.Height) || (w != dst.Width)) { throw new IllegalArgumentException("Width or height of BufferedImages do not match"); } } Raster srcRas = src.Raster; WritableRaster dstRas = dst.Raster; ColorModel srcCM = src.ColorModel; ColorModel dstCM = dst.ColorModel; int srcNumComp = srcCM.NumColorComponents; int dstNumComp = dstCM.NumColorComponents; bool dstHasAlpha = dstCM.HasAlpha(); bool needSrcAlpha = srcCM.HasAlpha() && dstHasAlpha; ColorSpace[] list; if ((CSList == null) && (ProfileList.Length != 0)) { /* possible non-ICC src, some profiles, possible non-ICC dst */ bool nonICCSrc, nonICCDst; ICC_Profile srcProfile, dstProfile; if (!(srcColorSpace is ICC_ColorSpace)) { nonICCSrc = true; srcProfile = ciespace.Profile; } else { nonICCSrc = false; srcProfile = ((ICC_ColorSpace)srcColorSpace).Profile; } if (!(dstColorSpace is ICC_ColorSpace)) { nonICCDst = true; dstProfile = ciespace.Profile; } else { nonICCDst = false; dstProfile = ((ICC_ColorSpace)dstColorSpace).Profile; } /* make a new transform if needed */ if ((ThisTransform == null) || (ThisSrcProfile != srcProfile) || (ThisDestProfile != dstProfile)) { UpdateBITransform(srcProfile, dstProfile); } // process per scanline float maxNum = 65535.0f; // use 16-bit precision in CMM ColorSpace cs; int iccSrcNumComp; if (nonICCSrc) { cs = ciespace; iccSrcNumComp = 3; } else { cs = srcColorSpace; iccSrcNumComp = srcNumComp; } float[] srcMinVal = new float[iccSrcNumComp]; float[] srcInvDiffMinMax = new float[iccSrcNumComp]; for (int i = 0; i < srcNumComp; i++) { srcMinVal[i] = cs.GetMinValue(i); srcInvDiffMinMax[i] = maxNum / (cs.GetMaxValue(i) - srcMinVal[i]); } int iccDstNumComp; if (nonICCDst) { cs = ciespace; iccDstNumComp = 3; } else { cs = dstColorSpace; iccDstNumComp = dstNumComp; } float[] dstMinVal = new float[iccDstNumComp]; float[] dstDiffMinMax = new float[iccDstNumComp]; for (int i = 0; i < dstNumComp; i++) { dstMinVal[i] = cs.GetMinValue(i); dstDiffMinMax[i] = (cs.GetMaxValue(i) - dstMinVal[i]) / maxNum; } float[] dstColor; if (dstHasAlpha) { int size = ((dstNumComp + 1) > 3) ? (dstNumComp + 1) : 3; dstColor = new float[size]; } else { int size = (dstNumComp > 3) ? dstNumComp : 3; dstColor = new float[size]; } short[] srcLine = new short[w * iccSrcNumComp]; short[] dstLine = new short[w * iccDstNumComp]; Object pixel; float[] color; float[] alpha = null; if (needSrcAlpha) { alpha = new float[w]; } int idx; // process each scanline for (int y = 0; y < h; y++) { // convert src scanline pixel = null; color = null; idx = 0; for (int x = 0; x < w; x++) { pixel = srcRas.GetDataElements(x, y, pixel); color = srcCM.GetNormalizedComponents(pixel, color, 0); if (needSrcAlpha) { alpha[x] = color[srcNumComp]; } if (nonICCSrc) { color = srcColorSpace.ToCIEXYZ(color); } for (int i = 0; i < iccSrcNumComp; i++) { srcLine[idx++] = (short)((color[i] - srcMinVal[i]) * srcInvDiffMinMax[i] + 0.5f); } } // color convert srcLine to dstLine ThisTransform.colorConvert(srcLine, dstLine); // convert dst scanline pixel = null; idx = 0; for (int x = 0; x < w; x++) { for (int i = 0; i < iccDstNumComp; i++) { dstColor[i] = ((float)(dstLine[idx++] & 0xffff)) * dstDiffMinMax[i] + dstMinVal[i]; } if (nonICCDst) { color = srcColorSpace.FromCIEXYZ(dstColor); for (int i = 0; i < dstNumComp; i++) { dstColor[i] = color[i]; } } if (needSrcAlpha) { dstColor[dstNumComp] = alpha[x]; } else if (dstHasAlpha) { dstColor[dstNumComp] = 1.0f; } pixel = dstCM.GetDataElements(dstColor, 0, pixel); dstRas.SetDataElements(x, y, pixel); } } } else { /* possible non-ICC src, possible CSList, possible non-ICC dst */ // process per pixel int numCS; if (CSList == null) { numCS = 0; } else { numCS = CSList.Length; } float[] dstColor; if (dstHasAlpha) { dstColor = new float[dstNumComp + 1]; } else { dstColor = new float[dstNumComp]; } Object spixel = null; Object dpixel = null; float[] color = null; float[] tmpColor; // process each pixel for (int y = 0; y < h; y++) { for (int x = 0; x < w; x++) { spixel = srcRas.GetDataElements(x, y, spixel); color = srcCM.GetNormalizedComponents(spixel, color, 0); tmpColor = srcColorSpace.ToCIEXYZ(color); for (int i = 0; i < numCS; i++) { tmpColor = CSList[i].FromCIEXYZ(tmpColor); tmpColor = CSList[i].ToCIEXYZ(tmpColor); } tmpColor = dstColorSpace.FromCIEXYZ(tmpColor); for (int i = 0; i < dstNumComp; i++) { dstColor[i] = tmpColor[i]; } if (needSrcAlpha) { dstColor[dstNumComp] = color[srcNumComp]; } else if (dstHasAlpha) { dstColor[dstNumComp] = 1.0f; } dpixel = dstCM.GetDataElements(dstColor, 0, dpixel); dstRas.SetDataElements(x, y, dpixel); } } } return(dst); }
/// <summary> /// Encodes and writes raster data, together with alpha (transparency) data, /// as a 32-bit bitmap. /// </summary> /// <param name="raster"> /// the source raster data </param> /// <param name="alpha"> /// the source alpha data </param> private void Write32(Raster raster, Raster alpha) { int width = raster.getWidth(); int height = raster.getHeight(); // write lines for (int y = height - 1; y >= 0; y--) { // write pixel data for each line for (int x = 0; x < width; x++) { // get RGBA values byte r = (byte)raster.getSample(x, y, 0); byte g = (byte)raster.getSample(x, y, 1); byte b = (byte)raster.getSample(x, y, 2); byte a = (byte)alpha.getSample(x, y, 0); // write RGBA values writer.Write(b); writer.Write(g); writer.Write(r); writer.Write(a); } } }
/// <summary> /// Copies pixels from Raster srcRaster to this WritableRaster. /// </summary> public void setRect(int @dx, int @dy, Raster @srcRaster) { }
/// <summary> /// Transforms the <CODE>Raster</CODE> using the matrix specified in the /// constructor. An <CODE>IllegalArgumentException</CODE> may be thrown if /// the number of bands in the source or destination is incompatible with /// the matrix. See the class comments for more details. /// <para> /// If the destination is null, it will be created with a number of bands /// equalling the number of rows in the matrix. No exception is thrown /// if the operation causes a data overflow. /// /// </para> /// </summary> /// <param name="src"> The <CODE>Raster</CODE> to be filtered. </param> /// <param name="dst"> The <CODE>Raster</CODE> in which to store the results /// of the filter operation. /// </param> /// <returns> The filtered <CODE>Raster</CODE>. /// </returns> /// <exception cref="IllegalArgumentException"> If the number of bands in the /// source or destination is incompatible with the matrix. </exception> public virtual WritableRaster Filter(Raster src, WritableRaster dst) { int nBands = src.NumBands; if (Ncols != nBands && Ncols != (nBands + 1)) { throw new IllegalArgumentException("Number of columns in the " + "matrix (" + Ncols + ") must be equal to the number" + " of bands ([+1]) in src (" + nBands + ")."); } if (dst == null) { dst = CreateCompatibleDestRaster(src); } else if (Nrows != dst.NumBands) { throw new IllegalArgumentException("Number of rows in the " + "matrix (" + Nrows + ") must be equal to the number" + " of bands ([+1]) in dst (" + nBands + ")."); } if (ImagingLib.filter(this, src, dst) != null) { return(dst); } int[] pixel = null; int[] dstPixel = new int[dst.NumBands]; float accum; int sminX = src.MinX; int sY = src.MinY; int dminX = dst.MinX; int dY = dst.MinY; int sX; int dX; if (Ncols == nBands) { for (int y = 0; y < src.Height; y++, sY++, dY++) { dX = dminX; sX = sminX; for (int x = 0; x < src.Width; x++, sX++, dX++) { pixel = src.GetPixel(sX, sY, pixel); for (int r = 0; r < Nrows; r++) { accum = 0.0f; for (int c = 0; c < Ncols; c++) { accum += Matrix_Renamed[r][c] * pixel[c]; } dstPixel[r] = (int)accum; } dst.SetPixel(dX, dY, dstPixel); } } } else { // Need to add constant for (int y = 0; y < src.Height; y++, sY++, dY++) { dX = dminX; sX = sminX; for (int x = 0; x < src.Width; x++, sX++, dX++) { pixel = src.GetPixel(sX, sY, pixel); for (int r = 0; r < Nrows; r++) { accum = 0.0f; for (int c = 0; c < nBands; c++) { accum += Matrix_Renamed[r][c] * pixel[c]; } dstPixel[r] = (int)(accum + Matrix_Renamed[r][nBands]); } dst.SetPixel(dX, dY, dstPixel); } } } return(dst); }
/// <summary> /// Sets the data for a rectangle of pixels from an input Raster. /// </summary> public void setDataElements(int @x, int @y, Raster @inRaster) { }
/// <summary> /// Performs a lookup operation on a <code>Raster</code>. /// If the destination <code>Raster</code> is <code>null</code>, /// a new <code>Raster</code> will be created. /// The <code>IllegalArgumentException</code> might be thrown /// if the source <code>Raster</code> and the destination /// <code>Raster</code> do not have the same /// number of bands or if the number of arrays in the /// <code>LookupTable</code> does not meet the /// restrictions stated in the class comment above. </summary> /// <param name="src"> the source <code>Raster</code> to filter </param> /// <param name="dst"> the destination <code>WritableRaster</code> for the /// filtered <code>src</code> </param> /// <returns> the filtered <code>WritableRaster</code>. </returns> /// <exception cref="IllegalArgumentException"> if the source and destinations /// rasters do not have the same number of bands, or the /// number of arrays in the <code>LookupTable</code> does /// not meet the restrictions described in the class comments. /// </exception> public WritableRaster Filter(Raster src, WritableRaster dst) { int numBands = src.NumBands; int dstLength = dst.NumBands; int height = src.Height; int width = src.Width; int[] srcPix = new int[numBands]; // Create a new destination Raster, if needed if (dst == null) { dst = CreateCompatibleDestRaster(src); } else if (height != dst.Height || width != dst.Width) { throw new IllegalArgumentException("Width or height of Rasters do not " + "match"); } dstLength = dst.NumBands; if (numBands != dstLength) { throw new IllegalArgumentException("Number of channels in the src (" + numBands + ") does not match number of channels" + " in the destination (" + dstLength + ")"); } int numComponents = Ltable.NumComponents; if (numComponents != 1 && numComponents != src.NumBands) { throw new IllegalArgumentException("Number of arrays in the " + " lookup table (" + numComponents + " is not compatible with the " + " src Raster: " + src); } if (ImagingLib.filter(this, src, dst) != null) { return(dst); } // Optimize for cases we know about if (Ltable is ByteLookupTable) { ByteFilter((ByteLookupTable)Ltable, src, dst, width, height, numBands); } else if (Ltable is ShortLookupTable) { ShortFilter((ShortLookupTable)Ltable, src, dst, width, height, numBands); } else { // Not one we recognize so do it slowly int sminX = src.MinX; int sY = src.MinY; int dminX = dst.MinX; int dY = dst.MinY; for (int y = 0; y < height; y++, sY++, dY++) { int sX = sminX; int dX = dminX; for (int x = 0; x < width; x++, sX++, dX++) { // Find data for all bands at this x,y position src.GetPixel(sX, sY, srcPix); // Lookup the data for all bands at this x,y position Ltable.LookupPixel(srcPix, srcPix); // Put it back for all bands dst.SetPixel(dX, dY, srcPix); } } } return(dst); }
/// <summary> /// Returns a new <code>BufferedImage</code> of TYPE_INT_ARGB or /// TYPE_INT_RGB that has a <code>Raster</code> with pixel data /// computed by expanding the indices in the source <code>Raster</code> /// using the color/alpha component arrays of this <code>ColorModel</code>. /// </summary> public BufferedImage convertToIntDiscrete(Raster @raster, bool @forceARGB) { return(default(BufferedImage)); }
/// <summary> /// Creates a zeroed destination Raster with the correct size and number /// of bands, given this source. /// </summary> public virtual WritableRaster CreateCompatibleDestRaster(Raster src) { return(src.CreateCompatibleWritableRaster()); }
/// <summary> /// Returns <code>true</code> if <code>raster</code> is compatible /// with this <code>ColorModel</code> or <code>false</code> if it /// is not compatible with this <code>ColorModel</code>. /// </summary> public bool isCompatibleRaster(Raster @raster) { return(default(bool)); }
/// <summary> /// Creates a zeroed destination <CODE>Raster</CODE> with the correct size /// and number of bands. A <CODE>RasterFormatException</CODE> may be thrown /// if the transformed width or height is equal to 0. /// </summary> /// <param name="src"> The <CODE>Raster</CODE> to be transformed. /// </param> /// <returns> The zeroed destination <CODE>Raster</CODE>. </returns> public virtual WritableRaster CreateCompatibleDestRaster(Raster src) { Rectangle2D r = GetBounds2D(src); return(src.CreateCompatibleWritableRaster((int)r.X, (int)r.Y, (int)r.Width, (int)r.Height)); }
/* color convert a Raster - handles byte, ushort, int, short, float, * or double transferTypes */ private WritableRaster NonICCRasterFilter(Raster src, WritableRaster dst) { if (CSList.Length != 2) { throw new IllegalArgumentException("Destination ColorSpace is undefined"); } if (src.NumBands != CSList[0].NumComponents) { throw new IllegalArgumentException("Numbers of source Raster bands and source color space " + "components do not match"); } if (dst == null) { dst = CreateCompatibleDestRaster(src); } else { if (src.Height != dst.Height || src.Width != dst.Width) { throw new IllegalArgumentException("Width or height of Rasters do not match"); } if (dst.NumBands != CSList[1].NumComponents) { throw new IllegalArgumentException("Numbers of destination Raster bands and destination " + "color space components do not match"); } } if (SrcMinVals == null) { GetMinMaxValsFromColorSpaces(CSList[0], CSList[1]); } SampleModel srcSM = src.SampleModel; SampleModel dstSM = dst.SampleModel; bool srcIsFloat, dstIsFloat; int srcTransferType = src.TransferType; int dstTransferType = dst.TransferType; if ((srcTransferType == DataBuffer.TYPE_FLOAT) || (srcTransferType == DataBuffer.TYPE_DOUBLE)) { srcIsFloat = true; } else { srcIsFloat = false; } if ((dstTransferType == DataBuffer.TYPE_FLOAT) || (dstTransferType == DataBuffer.TYPE_DOUBLE)) { dstIsFloat = true; } else { dstIsFloat = false; } int w = src.Width; int h = src.Height; int srcNumBands = src.NumBands; int dstNumBands = dst.NumBands; float[] srcScaleFactor = null; float[] dstScaleFactor = null; if (!srcIsFloat) { srcScaleFactor = new float[srcNumBands]; for (int i = 0; i < srcNumBands; i++) { if (srcTransferType == DataBuffer.TYPE_SHORT) { srcScaleFactor[i] = (SrcMaxVals[i] - SrcMinVals[i]) / 32767.0f; } else { srcScaleFactor[i] = (SrcMaxVals[i] - SrcMinVals[i]) / ((float)((1 << srcSM.GetSampleSize(i)) - 1)); } } } if (!dstIsFloat) { dstScaleFactor = new float[dstNumBands]; for (int i = 0; i < dstNumBands; i++) { if (dstTransferType == DataBuffer.TYPE_SHORT) { dstScaleFactor[i] = 32767.0f / (DstMaxVals[i] - DstMinVals[i]); } else { dstScaleFactor[i] = ((float)((1 << dstSM.GetSampleSize(i)) - 1)) / (DstMaxVals[i] - DstMinVals[i]); } } } int ys = src.MinY; int yd = dst.MinY; int xs, xd; float sample; float[] color = new float[srcNumBands]; float[] tmpColor; ColorSpace srcColorSpace = CSList[0]; ColorSpace dstColorSpace = CSList[1]; // process each pixel for (int y = 0; y < h; y++, ys++, yd++) { // get src scanline xs = src.MinX; xd = dst.MinX; for (int x = 0; x < w; x++, xs++, xd++) { for (int i = 0; i < srcNumBands; i++) { sample = src.GetSampleFloat(xs, ys, i); if (!srcIsFloat) { sample = sample * srcScaleFactor[i] + SrcMinVals[i]; } color[i] = sample; } tmpColor = srcColorSpace.ToCIEXYZ(color); tmpColor = dstColorSpace.FromCIEXYZ(tmpColor); for (int i = 0; i < dstNumBands; i++) { sample = tmpColor[i]; if (!dstIsFloat) { sample = (sample - DstMinVals[i]) * dstScaleFactor[i]; } dst.SetSample(xd, yd, i, sample); } } } return(dst); }