public static int getElementSize(SampleModel sm) { int elementSize = DataBuffer.getDataTypeSize(sm.getDataType()); if (sm instanceof MultiPixelPackedSampleModel) { MultiPixelPackedSampleModel mppsm = (MultiPixelPackedSampleModel)sm; return mppsm.getSampleSize(0) * mppsm.getNumBands(); } else if (sm instanceof ComponentSampleModel) { return sm.getNumBands() * elementSize; } else if (sm instanceof SinglePixelPackedSampleModel) { return elementSize; } return elementSize * sm.getNumBands(); }
public static long getBandSize(SampleModel sm) { int elementSize = DataBuffer.getDataTypeSize(sm.getDataType()); if (sm instanceof ComponentSampleModel) { ComponentSampleModel csm = (ComponentSampleModel)sm; int pixelStride = csm.getPixelStride(); int scanlineStride = csm.getScanlineStride(); long size = Math.min(pixelStride, scanlineStride); if (pixelStride > 0) size += pixelStride * (sm.getWidth() - 1); if (scanlineStride > 0) size += scanlineStride * (sm.getHeight() - 1); return size * ((elementSize + 7) / 8); } else return getTileSize(sm); }
public static void main(String[] args) { SampleModel sm = new ComponentSampleModel(dataType, width, height, 4, width * 4, new int[] { 0, 1, 2, 3 } ); DataBuffer db = sm.createDataBuffer(); Object o = null; boolean testPassed = false; try { o = sm.getDataElements(Integer.MAX_VALUE, 0, 1, 1, o, db); } catch (ArrayIndexOutOfBoundsException e) { System.out.println(e.getMessage()); testPassed = true; } if (!testPassed) { throw new RuntimeException("Excpected excprion was not thrown."); } }
@Override public BufferedImage getSnapshot() { // TODO: Support non-24-bit resolutions. int w = pixmap.width; int h = pixmap.height; ZPixmap zpixmap = (ZPixmap) pixmap.image(0, 0, w, h, 0xffffffff, Image.Format.ZPIXMAP); DataBuffer buffer = new ZPixmapDataBuffer(zpixmap); SampleModel sm = new ComponentSampleModel(DataBuffer.TYPE_BYTE, w, h, 4, w * 4, new int[]{0, 1, 2, 3 }); ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_LINEAR_RGB); ColorModel cm = new ComponentColorModel(cs, true, false, Transparency.OPAQUE, DataBuffer.TYPE_BYTE); WritableRaster raster = Raster.createWritableRaster(sm, buffer, new Point(0, 0)); return new BufferedImage(cm, raster, false, null); }
private TiledImage ceateImageContent(float[] data, int columns, int rows) { SampleModel sm = new ComponentSampleModel(DataBuffer.TYPE_DOUBLE, TILE_SIZE, TILE_SIZE, 1, TILE_SIZE, new int[]{0}); ColorModel cm = TiledImage.createColorModel(sm); TiledImage img = new TiledImage(0, 0, columns, rows, 0, 0, sm, cm); int i = 0; int halfColumns = (int) ((double) columns / 2.0); for (int y = 0; y < rows; y++) { for (int x = 0; x < columns; x++) { if (x >= halfColumns) { img.setSample(x - halfColumns, y, 0, data[i]); } else { img.setSample(x + halfColumns, y, 0, data[i]); } i++; } } return img; }
public RectIterCSM(RenderedImage im, Rectangle bounds) { super(im, bounds); ComponentSampleModel csm = (ComponentSampleModel)sampleModel; this.scanlineStride = csm.getScanlineStride(); this.pixelStride = csm.getPixelStride(); this.bankIndices = csm.getBankIndices(); int[] bo = csm.getBandOffsets(); this.bandOffsets = new int[numBands + 1]; for (int i = 0; i < numBands; i++) { bandOffsets[i] = bo[i]; } bandOffsets[numBands] = 0; this.DBOffsets = new int[numBands]; this.offset = (y - sampleModelTranslateY)*scanlineStride + (x - sampleModelTranslateX)*pixelStride; this.bandOffset = bandOffsets[0]; }
private static long getBufferSizeCSM(ComponentSampleModel csm) { int[] bandOffsets = csm.getBandOffsets(); int maxBandOff=bandOffsets[0]; for (int i=1; i<bandOffsets.length; i++) maxBandOff = Math.max(maxBandOff,bandOffsets[i]); long size = 0; if (maxBandOff >= 0) size += maxBandOff+1; int pixelStride = csm.getPixelStride(); if (pixelStride > 0) size += pixelStride * (csm.getWidth()-1); int scanlineStride = csm.getScanlineStride(); if (scanlineStride > 0) size += scanlineStride*(csm.getHeight()-1); return size; }
public static BufferedImage getImage(UVCController.UVCFrame frame) { ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB); // raster in "BGR" order like OpenCV.. int[] offsets = new int[]{2, 1, 0}; ColorModel cm = new ComponentColorModel(cs, false, false, Transparency.OPAQUE, DataBuffer.TYPE_BYTE); ComponentSampleModel csm = new ComponentSampleModel(DataBuffer.TYPE_BYTE, frame.width(), frame.height(), 3, frame.width() * 3, offsets); WritableRaster wr = Raster.createWritableRaster(csm, null); BufferedImage bImage = new BufferedImage(cm, wr, false, null); DataBufferByte out = (DataBufferByte) bImage.getRaster().getDataBuffer(); ByteBuffer buff = frame.data().capacity(frame.data_bytes()).asByteBuffer(); copyByteBuffer(buff, frame.width() * 3, ByteBuffer.wrap(out.getData()), frame.width() * 3); return bImage; }
static boolean copyGlyphToBufferedImageGray(FT2Library.FT_Bitmap bitmap, BufferedImage img, int x, int y) { if (x + bitmap.width > img.getWidth()) { return false; } if (y + bitmap.rows > img.getHeight()) { return false; } final DataBufferByte dataBuffer = (DataBufferByte) img.getRaster().getDataBuffer(); final byte[] data = dataBuffer.getData(); final int stride = ((ComponentSampleModel) img.getSampleModel()).getScanlineStride(); ByteBuffer bb = bitmap.buffer.getByteBuffer(0, Math.abs(bitmap.pitch) * bitmap.rows); int bbOff = (bitmap.pitch < 0) ? (-bitmap.pitch * (bitmap.rows - 1)) : 0; int dataOff = dataBuffer.getOffset() + y * stride + x; for (int r = 0; r < bitmap.rows; r++, bbOff += bitmap.pitch, dataOff += stride) { for (int c = 0; c < bitmap.width; c++) { data[dataOff + c] = (byte) (bb.get(bbOff + c) ^ 0xff); } } return true; }
public final void test_from_BuffImg_to_FloatDataBuffer(){ src = createImage(BufferedImage.TYPE_INT_RGB); DataBufferFloat dbf = new DataBufferFloat(w * h * 3); int offsets[] = new int[]{0,1,2}; ComponentSampleModel csm = new ComponentSampleModel(DataBuffer.TYPE_FLOAT, w, h, 3, 3 * w, offsets); WritableRaster wr = new OrdinaryWritableRaster(csm, dbf, new Point(0, 0)); ColorModel cm = new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), false, false, Transparency.OPAQUE, DataBuffer.TYPE_FLOAT); BufferedImage dst = new BufferedImage(cm, wr, cm.isAlphaPremultiplied(), null); Graphics2D g2d = dst.createGraphics(); g2d.drawImage(src, 0, 0, null); for(int y = 0; y < h; y++){ for(int x = 0; x < w; x++){ assertEquals(src.getRGB(x, y), dst.getRGB(x, y)); } } }
