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Diffstat (limited to 'src/TIFFOutputImage.cxx')
-rw-r--r-- | src/TIFFOutputImage.cxx | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/TIFFOutputImage.cxx b/src/TIFFOutputImage.cxx new file mode 100644 index 0000000..b8433ca --- /dev/null +++ b/src/TIFFOutputImage.cxx @@ -0,0 +1,110 @@ +// +// Copyright 2006 by Johannes Hofmann +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Library General Public +// License as published by the Free Software Foundation; either +// version 2 of the License, or (at your option) any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Library General Public License for more details. +// +// You should have received a copy of the GNU Library General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 +// USA. +// + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> + +#include "TIFFOutputImage.H" + +TIFFOutputImage::TIFFOutputImage(const char *f) { + file = strdup(f); + tiff = NULL; + row = NULL; +} + +TIFFOutputImage::~TIFFOutputImage() { + if (row) { + free(row); + } + if (file) { + free(file); + } +} + +int +TIFFOutputImage::init_internal(int w1, int h1) { + if (row) { + free(row); + row = NULL; + } + + row = (unsigned char*) malloc(sizeof(char) * 4 * w1); + if (!row) { + perror("malloc"); + return 1; + } + memset(row, 0, sizeof(char) * 4 * w1); + + if (tiff) { + TIFFClose(tiff); + } + + if((tiff = TIFFOpen(file, "w")) == NULL){ + fprintf(stderr, "can't open %s\n", file); + return 1; + } + + TIFFSetField(tiff, TIFFTAG_IMAGEWIDTH, w1); + TIFFSetField(tiff, TIFFTAG_IMAGELENGTH, h1); + TIFFSetField(tiff, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE); + TIFFSetField(tiff, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG); + TIFFSetField(tiff, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB); + TIFFSetField(tiff, TIFFTAG_ROWSPERSTRIP, 1); + TIFFSetField(tiff, TIFFTAG_BITSPERSAMPLE, 8); + TIFFSetField(tiff, TIFFTAG_SAMPLESPERPIXEL, 4); + + return 0; +} + +int +TIFFOutputImage::set_pixel_internal(int x, char r, char g, char b) { + row[x*4+0] = r; + row[x*4+1] = g; + row[x*4+2] = b; + row[x*4+3] = 255; + + return 0; +} + +int +TIFFOutputImage::next_line_internal() { + int ret; + + TIFFWriteEncodedStrip(tiff, line -1 , row, W * 4); + + memset(row, 0, sizeof(char) * 4 * W); + return 0; +} + +int +TIFFOutputImage::done_internal() { + if (tiff) { + TIFFClose(tiff); + tiff = NULL; + } + + if (row) { + free(row); + row = NULL; + } + + return 0; +} + |