Examples of java.awt.image.DataBufferByte

java.awt.image.DataBufferByte
This class extends DataBuffer and stores data internally as bytes. Values stored in the byte array(s) of this DataBuffer are treated as unsigned values.

        }
        int size = (int)lsize;


        switch(dataType) {
        case DataBuffer.TYPE_BYTE:
            d = new DataBufferByte(size, banks);
            break;


        case DataBuffer.TYPE_USHORT:
            d = new DataBufferUShort(size, banks);
            break;

View Full Code Here


        DataBuffer dataBuffer;
        WritableRaster ras = null;
        Point origin = new Point(0, 0);
        if ((bitDepth < 8) && (bands == 1)) {
            dataBuffer = new DataBufferByte(height*scanlineStride);
            ras = Raster.createPackedRaster(dataBuffer,
                                            width, height,
                                            bitDepth,
                                            origin);
        } else if (bitDepth <= 8) {
            dataBuffer = new DataBufferByte(height*scanlineStride);
           ras = Raster.createInterleavedRaster(dataBuffer,
                                                 width, height,
                                                 scanlineStride,
                                                 bands,
                                                 bandOffsets[bands],

View Full Code Here

        int banks = srcDB.getNumBanks();
        int [] offsets = srcDB.getOffsets();
        for (int b=0; b< banks; b++) {
            switch (srcDB.getDataType()) {
            case DataBuffer.TYPE_BYTE: {
                DataBufferByte srcDBT = (DataBufferByte)srcDB;
                DataBufferByte retDBT = (DataBufferByte)retDB;
                System.arraycopy(srcDBT.getData(b), offsets[b],
                                 retDBT.getData(b), offsets[b], len);
            }
            case DataBuffer.TYPE_INT: {
                DataBufferInt srcDBT = (DataBufferInt)srcDB;
                DataBufferInt retDBT = (DataBufferInt)retDB;
                System.arraycopy(srcDBT.getData(b), offsets[b],
                                 retDBT.getData(b), offsets[b], len);
            }
            case DataBuffer.TYPE_SHORT: {
                DataBufferShort srcDBT = (DataBufferShort)srcDB;
                DataBufferShort retDBT = (DataBufferShort)retDB;
                System.arraycopy(srcDBT.getData(b), offsets[b],
                                 retDBT.getData(b), offsets[b], len);
            }
            case DataBuffer.TYPE_USHORT: {
                DataBufferUShort srcDBT = (DataBufferUShort)srcDB;
                DataBufferUShort retDBT = (DataBufferUShort)retDB;
                System.arraycopy(srcDBT.getData(b), offsets[b],
                                 retDBT.getData(b), offsets[b], len);
            }
            }
        }


        return ret;

View Full Code Here


        Raster srcRas = srcRed.getData(wr.getBounds());
        PixelInterleavedSampleModel srcSM;
        srcSM = (PixelInterleavedSampleModel)srcRas.getSampleModel();


        DataBufferByte srcDB = (DataBufferByte)srcRas.getDataBuffer();
        byte []        src   = srcDB.getData();
        
        PixelInterleavedSampleModel dstSM;
        dstSM = (PixelInterleavedSampleModel)wr.getSampleModel();


        DataBufferByte dstDB = (DataBufferByte)wr.getDataBuffer();
        byte []        dst   = dstDB.getData();


        int srcX0 = srcRas.getMinX()-srcRas.getSampleModelTranslateX();
        int srcY0 = srcRas.getMinY()-srcRas.getSampleModelTranslateY();


        int dstX0 = wr.getMinX()-wr.getSampleModelTranslateX();
        int dstX1 = dstX0+wr.getWidth()-1;
        int dstY0 = wr.getMinY()-wr.getSampleModelTranslateY();


        int    srcStep = srcSM.getPixelStride();
        int [] offsets = srcSM.getBandOffsets();
        int    srcLOff = offsets[0];
        int    srcAOff = offsets[1];


        if (srcRed.getColorModel().isAlphaPremultiplied()) {
            // Lum is already multiplied by alpha so we just copy lum channel.
            for (int y=0; y<srcRas.getHeight(); y++) {
                int srcI  = srcDB.getOffset() + srcSM.getOffset(srcX0,  srcY0);
                int dstI  = dstDB.getOffset() + dstSM.getOffset(dstX0,  dstY0);
                int dstE  = dstDB.getOffset() + dstSM.getOffset(dstX1+1,dstY0);


                srcI += srcLOff; // Go to Lum Channel (already mult by alpha).


                while (dstI < dstE) {
                    dst[dstI++] = src[srcI];
                        srcI += srcStep; // Go to next pixel
                }
                srcY0++;
                dstY0++;
            }
        }
        else {
            // This allows me to pre-adjust my index by srcLOff
            // Then only add the offset for srcAOff
            srcAOff = srcAOff-srcLOff;


            for (int y=0; y<srcRas.getHeight(); y++) {
                int srcI  = srcDB.getOffset() + srcSM.getOffset(srcX0,  srcY0);
                int dstI  = dstDB.getOffset() + dstSM.getOffset(dstX0,  dstY0);
                int dstE  = dstDB.getOffset() + dstSM.getOffset(dstX1+1,dstY0);


                srcI += srcLOff;


                while (dstI < dstE) {
                    int sl = (src[srcI])&0xFF; // LOff already included

View Full Code Here


        final int scanStride = csm.getScanlineStride();
        final int pixStride  = csm.getPixelStride();
        final int [] bandOff = csm.getBandOffsets();


        DataBufferByte db = (DataBufferByte)wr.getDataBuffer();
        final int base
            = (db.getOffset() +
               csm.getOffset(wr.getMinX()-wr.getSampleModelTranslateX(),
                             wr.getMinY()-wr.getSampleModelTranslateY()));




        int a=0;
        int aOff = bandOff[bandOff.length-1];
        int bands = bandOff.length-1;
        int b, i;
        // Access the pixel data array
        final byte pixels[] = db.getBankData()[0];
        for (int y=0; y<wr.getHeight(); y++) {
            int sp = base + y*scanStride;
            final int end = sp + width*pixStride;
            while (sp < end) {
              a = pixels[sp+aOff]&0xFF;

View Full Code Here


        final int scanStride = csm.getScanlineStride();
        final int pixStride  = csm.getPixelStride();
        final int [] bandOff = csm.getBandOffsets();


        DataBufferByte db = (DataBufferByte)wr.getDataBuffer();
        final int base
            = (db.getOffset() +
               csm.getOffset(wr.getMinX()-wr.getSampleModelTranslateX(),
                             wr.getMinY()-wr.getSampleModelTranslateY()));




        int a=0;
        int aOff = bandOff[bandOff.length-1];
        int bands = bandOff.length-1;
        int b, i;


        // Access the pixel data array
        final byte pixels[] = db.getBankData()[0];
        for (int y=0; y<wr.getHeight(); y++) {
            int sp = base + y*scanStride;
            final int end = sp + width*pixStride;
            while (sp < end) {
              a = pixels[sp+aOff]&0xFF;

View Full Code Here


        DataBuffer dataBuffer;
        WritableRaster ras = null;
        Point origin = new Point(0, 0);
        if ((bitDepth < 8) && (bands == 1)) {
            dataBuffer = new DataBufferByte(height*scanlineStride);
            ras = Raster.createPackedRaster(dataBuffer,
                                            width, height,
                                            bitDepth,
                                            origin);
        } else if (bitDepth <= 8) {
            dataBuffer = new DataBufferByte(height*scanlineStride);
           ras = Raster.createInterleavedRaster(dataBuffer,
                                                 width, height,
                                                 scanlineStride,
                                                 bands,
                                                 bandOffsets[bands],

View Full Code Here


        DataBuffer dataBuffer;
        WritableRaster ras = null;
        Point origin = new Point(0, 0);
        if ((bitDepth < 8) && (bands == 1)) {
            dataBuffer = new DataBufferByte(height*scanlineStride);
            ras = Raster.createPackedRaster(dataBuffer,
                                            width, height,
                                            bitDepth,
                                            origin);
        } else if (bitDepth <= 8) {
            dataBuffer = new DataBufferByte(height*scanlineStride);
           ras = Raster.createInterleavedRaster(dataBuffer,
                                                 width, height,
                                                 scanlineStride,
                                                 bands,
                                                 bandOffsets[bands],

View Full Code Here

                    new int[] {8, 8, 8},
                    false, false,
                    ColorModel.OPAQUE, DataBuffer.TYPE_BYTE);
            SampleModel sampleModel = new PixelInterleavedSampleModel(
                    DataBuffer.TYPE_BYTE, w, h, 3, w * 3, new int[] {0, 1, 2});
            DataBuffer dbuf = new DataBufferByte(raw, w * h * 3);


            WritableRaster raster = Raster.createWritableRaster(sampleModel,
                    dbuf, null);


            java.awt.Image awtImage;

View Full Code Here

                    ColorModel.OPAQUE, DataBuffer.TYPE_BYTE);
            int imgw = fopimage.getWidth();
            int imgh = fopimage.getHeight();
            SampleModel sampleModel = new PixelInterleavedSampleModel(
                    DataBuffer.TYPE_BYTE, imgw, imgh, 3, imgw * 3, new int[] {0, 1, 2});
            DataBuffer dbuf = new DataBufferByte(imgmap, imgw * imgh * 3);


            WritableRaster raster = Raster.createWritableRaster(sampleModel,
                    dbuf, null);


            // Combine the color model and raster into a buffered image

View Full Code Here

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