List of usage examples for java.awt.image SinglePixelPackedSampleModel getScanlineStride
public int getScanlineStride()
From source file:GraphicsUtil.java
protected static void mult_INT_PACK_Data(WritableRaster wr) { // System.out.println("Multiply Int: " + wr); SinglePixelPackedSampleModel sppsm; sppsm = (SinglePixelPackedSampleModel) wr.getSampleModel(); final int width = wr.getWidth(); final int scanStride = sppsm.getScanlineStride(); DataBufferInt db = (DataBufferInt) wr.getDataBuffer(); final int base = (db.getOffset() + sppsm.getOffset(wr.getMinX() - wr.getSampleModelTranslateX(), wr.getMinY() - wr.getSampleModelTranslateY())); // Access the pixel data array final int pixels[] = db.getBankData()[0]; for (int y = 0; y < wr.getHeight(); y++) { int sp = base + y * scanStride; final int end = sp + width; while (sp < end) { int pixel = pixels[sp]; int a = pixel >>> 24; if ((a >= 0) && (a < 255)) { pixels[sp] = ((a << 24) | ((((pixel & 0xFF0000) * a) >> 8) & 0xFF0000) | ((((pixel & 0x00FF00) * a) >> 8) & 0x00FF00) | ((((pixel & 0x0000FF) * a) >> 8) & 0x0000FF)); }// w ww.j a va 2s.com sp++; } } }
From source file:GraphicsUtil.java
protected static void divide_INT_PACK_Data(WritableRaster wr) { // System.out.println("Divide Int"); SinglePixelPackedSampleModel sppsm; sppsm = (SinglePixelPackedSampleModel) wr.getSampleModel(); final int width = wr.getWidth(); final int scanStride = sppsm.getScanlineStride(); DataBufferInt db = (DataBufferInt) wr.getDataBuffer(); final int base = (db.getOffset() + sppsm.getOffset(wr.getMinX() - wr.getSampleModelTranslateX(), wr.getMinY() - wr.getSampleModelTranslateY())); int pixel, a, aFP; // Access the pixel data array final int pixels[] = db.getBankData()[0]; for (int y = 0; y < wr.getHeight(); y++) { int sp = base + y * scanStride; final int end = sp + width; while (sp < end) { pixel = pixels[sp];//from w w w . jav a 2 s. c om a = pixel >>> 24; if (a <= 0) { pixels[sp] = 0x00FFFFFF; } else if (a < 255) { aFP = (0x00FF0000 / a); pixels[sp] = ((a << 24) | (((((pixel & 0xFF0000) >> 16) * aFP) & 0xFF0000)) | (((((pixel & 0x00FF00) >> 8) * aFP) & 0xFF0000) >> 8) | (((((pixel & 0x0000FF)) * aFP) & 0xFF0000) >> 16)); } sp++; } } }
From source file:GraphicsUtil.java
protected static void mult_INT_PACK_Data(WritableRaster wr) { // System.out.println("Multiply Int: " + wr); SinglePixelPackedSampleModel sppsm; sppsm = (SinglePixelPackedSampleModel) wr.getSampleModel(); final int width = wr.getWidth(); final int scanStride = sppsm.getScanlineStride(); DataBufferInt db = (DataBufferInt) wr.getDataBuffer(); final int base = (db.getOffset() + sppsm.getOffset(wr.getMinX() - wr.getSampleModelTranslateX(), wr.getMinY() - wr.getSampleModelTranslateY())); // Access the pixel data array final int[] pixels = db.getBankData()[0]; for (int y = 0; y < wr.getHeight(); y++) { int sp = base + y * scanStride; final int end = sp + width; while (sp < end) { int pixel = pixels[sp]; int a = pixel >>> 24; if ((a >= 0) && (a < 255)) { // this does NOT include a == 255 (0xff) ! pixels[sp] = ((a << 24) | ((((pixel & 0xFF0000) * a) >> 8) & 0xFF0000) | ((((pixel & 0x00FF00) * a) >> 8) & 0x00FF00) | ((((pixel & 0x0000FF) * a) >> 8) & 0x0000FF)); }/*from w w w . j a v a 2 s . c o m*/ sp++; } } }
From source file:GraphicsUtil.java
protected static void divide_INT_PACK_Data(WritableRaster wr) { // System.out.println("Divide Int"); SinglePixelPackedSampleModel sppsm; sppsm = (SinglePixelPackedSampleModel) wr.getSampleModel(); final int width = wr.getWidth(); final int scanStride = sppsm.getScanlineStride(); DataBufferInt db = (DataBufferInt) wr.getDataBuffer(); final int base = (db.getOffset() + sppsm.getOffset(wr.getMinX() - wr.getSampleModelTranslateX(), wr.getMinY() - wr.getSampleModelTranslateY())); // Access the pixel data array final int[] pixels = db.getBankData()[0]; for (int y = 0; y < wr.getHeight(); y++) { int sp = base + y * scanStride; final int end = sp + width; while (sp < end) { int pixel = pixels[sp]; int a = pixel >>> 24; if (a <= 0) { pixels[sp] = 0x00FFFFFF; } else if (a < 255) { int aFP = (0x00FF0000 / a); pixels[sp] = ((a << 24) | (((((pixel & 0xFF0000) >> 16) * aFP) & 0xFF0000)) | (((((pixel & 0x00FF00) >> 8) * aFP) & 0xFF0000) >> 8) | (((((pixel & 0x0000FF)) * aFP) & 0xFF0000) >> 16)); }/*from w w w . jav a 2 s . c o m*/ sp++; } } }
From source file:GraphicsUtil.java
/** * An internal optimized version of copyData designed to work on * Integer packed data with a SinglePixelPackedSampleModel. Only * the region of overlap between src and dst is copied. * * Calls to this should be preflighted with is_INT_PACK_Data * on both src and dest (requireAlpha can be false). * * @param src The source of the data//from ww w .jav a2 s . c om * @param dst The destination for the data. */ public static void copyData_INT_PACK(Raster src, WritableRaster dst) { // System.out.println("Fast copyData"); int x0 = dst.getMinX(); if (x0 < src.getMinX()) x0 = src.getMinX(); int y0 = dst.getMinY(); if (y0 < src.getMinY()) y0 = src.getMinY(); int x1 = dst.getMinX() + dst.getWidth() - 1; if (x1 > src.getMinX() + src.getWidth() - 1) x1 = src.getMinX() + src.getWidth() - 1; int y1 = dst.getMinY() + dst.getHeight() - 1; if (y1 > src.getMinY() + src.getHeight() - 1) y1 = src.getMinY() + src.getHeight() - 1; int width = x1 - x0 + 1; int height = y1 - y0 + 1; SinglePixelPackedSampleModel srcSPPSM; srcSPPSM = (SinglePixelPackedSampleModel) src.getSampleModel(); final int srcScanStride = srcSPPSM.getScanlineStride(); DataBufferInt srcDB = (DataBufferInt) src.getDataBuffer(); final int[] srcPixels = srcDB.getBankData()[0]; final int srcBase = (srcDB.getOffset() + srcSPPSM.getOffset(x0 - src.getSampleModelTranslateX(), y0 - src.getSampleModelTranslateY())); SinglePixelPackedSampleModel dstSPPSM; dstSPPSM = (SinglePixelPackedSampleModel) dst.getSampleModel(); final int dstScanStride = dstSPPSM.getScanlineStride(); DataBufferInt dstDB = (DataBufferInt) dst.getDataBuffer(); final int[] dstPixels = dstDB.getBankData()[0]; final int dstBase = (dstDB.getOffset() + dstSPPSM.getOffset(x0 - dst.getSampleModelTranslateX(), y0 - dst.getSampleModelTranslateY())); if ((srcScanStride == dstScanStride) && (srcScanStride == width)) { // System.out.println("VERY Fast copyData"); System.arraycopy(srcPixels, srcBase, dstPixels, dstBase, width * height); } else if (width > 128) { int srcSP = srcBase; int dstSP = dstBase; for (int y = 0; y < height; y++) { System.arraycopy(srcPixels, srcSP, dstPixels, dstSP, width); srcSP += srcScanStride; dstSP += dstScanStride; } } else { for (int y = 0; y < height; y++) { int srcSP = srcBase + y * srcScanStride; int dstSP = dstBase + y * dstScanStride; for (int x = 0; x < width; x++) dstPixels[dstSP++] = srcPixels[srcSP++]; } } }
From source file:org.geoserver.jai.ConcurrentTileFactory.java
/** * Builds a new tile, eventually recycling the data array backing it *//*from w w w . ja v a2 s. c o m*/ public WritableRaster createTile(SampleModel sampleModel, Point location) { // sanity checks if (sampleModel == null) { throw new NullPointerException("sampleModel cannot be null"); } if (location == null) { location = new Point(0, 0); } DataBuffer db = null; // get the three elements making the key into the recycled array map int type = sampleModel.getTransferType(); long numBanks = 0; long size = 0; if (sampleModel instanceof ComponentSampleModel) { ComponentSampleModel csm = (ComponentSampleModel) sampleModel; numBanks = getNumBanksCSM(csm); size = getBufferSizeCSM(csm); } else if (sampleModel instanceof MultiPixelPackedSampleModel) { MultiPixelPackedSampleModel mppsm = (MultiPixelPackedSampleModel) sampleModel; numBanks = 1; int dataTypeSize = DataBuffer.getDataTypeSize(type); size = mppsm.getScanlineStride() * mppsm.getHeight() + (mppsm.getDataBitOffset() + dataTypeSize - 1) / dataTypeSize; } else if (sampleModel instanceof SinglePixelPackedSampleModel) { SinglePixelPackedSampleModel sppsm = (SinglePixelPackedSampleModel) sampleModel; numBanks = 1; size = sppsm.getScanlineStride() * (sppsm.getHeight() - 1) + sppsm.getWidth(); } if (size > 0) { // try to build a new data buffer starting from Object array = recycledArrays.getRecycledArray(type, numBanks, size); if (array != null) { switch (type) { case DataBuffer.TYPE_BYTE: { byte[][] bankData = (byte[][]) array; for (int i = 0; i < numBanks; i++) { Arrays.fill(bankData[i], (byte) 0); } db = new DataBufferByte(bankData, (int) size); } break; case DataBuffer.TYPE_USHORT: { short[][] bankData = (short[][]) array; for (int i = 0; i < numBanks; i++) { Arrays.fill(bankData[i], (short) 0); } db = new DataBufferUShort(bankData, (int) size); } break; case DataBuffer.TYPE_SHORT: { short[][] bankData = (short[][]) array; for (int i = 0; i < numBanks; i++) { Arrays.fill(bankData[i], (short) 0); } db = new DataBufferShort(bankData, (int) size); } break; case DataBuffer.TYPE_INT: { int[][] bankData = (int[][]) array; for (int i = 0; i < numBanks; i++) { Arrays.fill(bankData[i], 0); } db = new DataBufferInt(bankData, (int) size); } break; case DataBuffer.TYPE_FLOAT: { float[][] bankData = (float[][]) array; for (int i = 0; i < numBanks; i++) { Arrays.fill(bankData[i], 0.0F); } db = DataBufferUtils.createDataBufferFloat(bankData, (int) size); } break; case DataBuffer.TYPE_DOUBLE: { double[][] bankData = (double[][]) array; for (int i = 0; i < numBanks; i++) { Arrays.fill(bankData[i], 0.0); } db = DataBufferUtils.createDataBufferDouble(bankData, (int) size); } break; default: throw new IllegalArgumentException("Unknown array type"); } } } if (db == null) { db = sampleModel.createDataBuffer(); } return Raster.createWritableRaster(sampleModel, db, location); }