Esempio n. 1
0
        public override bool Equals(Object o)
        {
            if ((o == null) || !(o is ComponentSampleModel))
            {
                return(false);
            }
            ComponentSampleModel model = (ComponentSampleModel)o;

            return(this.width == model.width && this.height == model.height &&
                   this.numBands == model.numBands &&
                   this.dataType == model.dataType &&
                   java.util.Arrays <Object> .equals(this.bandOffsets, model.bandOffsets) &&
                   java.util.Arrays <Object> .equals(this.bankIndices, model.bankIndices) &&
                   this.numBands == model.numBands &&
                   this.numBanks == model.numBanks &&
                   this.scanlineStride == model.scanlineStride &&
                   this.pixelStride == model.pixelStride);
        }
Esempio n. 2
0
        private static void validateDataBuffer(DataBuffer dataBuffer, int w,
                                               int h, SampleModel sampleModel)
        {
            int size = 0;

            if (sampleModel is ComponentSampleModel)
            {
                ComponentSampleModel csm = (ComponentSampleModel)sampleModel;
                int [] offsets           = csm.getBandOffsets();
                int    maxOffset         = offsets[0];
                for (int i = 1; i < offsets.Length; i++)
                {
                    if (offsets[i] > maxOffset)
                    {
                        maxOffset = offsets[i];
                    }
                }
                int scanlineStride = csm.getScanlineStride();
                int pixelStride    = csm.getPixelStride();

                size = (h - 1) * scanlineStride +
                       (w - 1) * pixelStride + maxOffset + 1;
            }
            else if (sampleModel is MultiPixelPackedSampleModel)
            {
                MultiPixelPackedSampleModel mppsm =
                    (MultiPixelPackedSampleModel)sampleModel;

                int scanlineStride = mppsm.getScanlineStride();
                int dataBitOffset  = mppsm.getDataBitOffset();
                int dataType       = dataBuffer.getDataType();

                size = scanlineStride * h;

                switch (dataType)
                {
                case DataBuffer.TYPE_BYTE:
                    size += (dataBitOffset + 7) / 8;
                    break;

                case DataBuffer.TYPE_USHORT:
                    size += (dataBitOffset + 15) / 16;
                    break;

                case DataBuffer.TYPE_INT:
                    size += (dataBitOffset + 31) / 32;
                    break;
                }
            }
            else if (sampleModel is SinglePixelPackedSampleModel)
            {
                SinglePixelPackedSampleModel sppsm =
                    (SinglePixelPackedSampleModel)sampleModel;

                int scanlineStride = sppsm.getScanlineStride();
                size = (h - 1) * scanlineStride + w;
            }
            if (dataBuffer.getSize() < size)
            {
                // awt.298=dataBuffer is too small
                throw new RasterFormatException("dataBuffer is too small"); //$NON-NLS-1$
            }
        }