VStripSize() public method

Computes the number of bytes in a row-aligned strip with specified number of rows.
public VStripSize ( int rowCount ) : int
rowCount int The number of rows in a strip.
return int
Example #1
0
        static bool writeBufferToSeparateStrips(Tiff outImage, byte[] buf, int imagelength, int imagewidth, short spp)
        {
            byte[] obuf = new byte[outImage.StripSize()];

            FieldValue[] result = outImage.GetFieldDefaulted(TiffTag.ROWSPERSTRIP);
            int rowsperstrip = result[0].ToInt();

            int rowsize = imagewidth * spp;
            int strip = 0;

            for (short s = 0; s < spp; s++)
            {
                for (int row = 0; row < imagelength; row += rowsperstrip)
                {
                    int nrows = (row + rowsperstrip > imagelength) ? imagelength - row : rowsperstrip;
                    int stripsize = outImage.VStripSize(nrows);

                    cpContigBufToSeparateBuf(obuf, buf, row * rowsize + s, nrows, imagewidth, 0, 0, spp, 1);
                    if (outImage.WriteEncodedStrip(strip++, obuf, stripsize) < 0)
                    {
                        Tiff.Error(outImage.FileName(), "Error, can't write strip {0}", strip - 1);
                        return false;
                    }
                }
            }

            return true;
        }
Example #2
0
        /*
         * Strip -> strip for change in encoding.
         */
        bool cpDecodedStrips(Tiff inImage, Tiff outImage, int imagelength, int imagewidth, short spp)
        {
            int stripsize = inImage.StripSize();
            byte[] buf = new byte[stripsize];
            int ns = inImage.NumberOfStrips();
            int row = 0;
            for (int s = 0; s < ns; s++)
            {
                int cc = (row + m_rowsperstrip > imagelength) ? inImage.VStripSize(imagelength - row) : stripsize;
                if (inImage.ReadEncodedStrip(s, buf, 0, cc) < 0 && !m_ignore)
                {
                    Tiff.Error(inImage.FileName(), "Error, can't read strip {0}", s);
                    return false;
                }

                if (outImage.WriteEncodedStrip(s, buf, cc) < 0)
                {
                    Tiff.Error(outImage.FileName(), "Error, can't write strip {0}", s);
                    return false;
                }

                row += m_rowsperstrip;
            }

            return true;
        }
Example #3
0
        static bool writeBufferToContigStrips(Tiff outImage, byte[] buffer, int imagelength, int imagewidth, short spp)
        {
            FieldValue[] result = outImage.GetFieldDefaulted(TiffTag.ROWSPERSTRIP);
            int rowsperstrip = result[0].ToInt();

            int strip = 0;
            int offset = 0;
            for (int row = 0; row < imagelength; row += rowsperstrip)
            {
                int nrows = (row + rowsperstrip > imagelength) ? imagelength - row : rowsperstrip;
                int stripsize = outImage.VStripSize(nrows);

                if (outImage.WriteEncodedStrip(strip++, buffer, offset, stripsize) < 0)
                {
                    Tiff.Error(outImage.FileName(), "Error, can't write strip {0}", strip - 1);
                    return false;
                }

                offset += stripsize;
            }

            return true;
        }