--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spandsp-0.0.3/spandsp-0.0.3/itutests/fax/generate_sized_pages.c	Fri Jun 25 16:00:21 2010 +0200
@@ -0,0 +1,282 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * generate_sized_pages.c - Create a series of TIFF files in the various page sizes
+ *                        and resolutions.
+ *
+ * Written by Steve Underwood <steveu@coppice.org>
+ *
+ * Copyright (C) 2006 Steve Underwood
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Id: generate_sized_pages.c,v 1.4 2006/11/20 00:00:27 steveu Exp $
+ */
+
+/*! \file */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <inttypes.h>
+#include <limits.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <time.h>
+#include <memory.h>
+#include <string.h>
+#if defined(HAVE_TGMATH_H)
+#include <tgmath.h>
+#endif
+#if defined(HAVE_MATH_H)
+#include <math.h>
+#endif
+#include <tiffio.h>
+
+#define T4_X_RESOLUTION_R4          4019
+#define T4_X_RESOLUTION_R8          8037
+#define T4_X_RESOLUTION_R16         16074
+
+#define T4_Y_RESOLUTION_STANDARD    3850
+#define T4_Y_RESOLUTION_FINE        7700
+#define T4_Y_RESOLUTION_SUPERFINE   15400
+
+struct
+{
+    const char *name;
+    int x_res;
+    int y_res;
+    int width;
+    int length;
+} sequence[] =
+{
+    {
+        "R8_385_A4.tif",
+        T4_X_RESOLUTION_R8,
+        T4_Y_RESOLUTION_STANDARD,
+        1728,
+        1100
+    },
+    {
+        "R16_385_A4.tif",
+        T4_X_RESOLUTION_R16,
+        T4_Y_RESOLUTION_STANDARD,
+        3456,
+        1100
+    },
+    {
+        "R8_77_A4.tif",
+        T4_X_RESOLUTION_R8,
+        T4_Y_RESOLUTION_FINE,
+        1728,
+        2200
+    },
+    {
+        "R16_77_A4.tif",
+        T4_X_RESOLUTION_R16,
+        T4_Y_RESOLUTION_FINE,
+        3456,
+        2200
+    },
+    {
+        "R8_154_A4.tif",
+        T4_X_RESOLUTION_R8,
+        T4_Y_RESOLUTION_SUPERFINE,
+        1728,
+        4400
+    },
+    {
+        "R16_154_A4.tif",
+        T4_X_RESOLUTION_R16,
+        T4_Y_RESOLUTION_SUPERFINE,
+        3456,
+        4400
+    },
+    {
+        "R8_385_B4.tif",
+        T4_X_RESOLUTION_R8,
+        T4_Y_RESOLUTION_STANDARD,
+        2048,
+        1200
+    },
+    {
+        "R16_385_B4.tif",
+        T4_X_RESOLUTION_R16,
+        T4_Y_RESOLUTION_STANDARD,
+        4096,
+        1200
+    },
+    {
+        "R8_77_B4.tif",
+        T4_X_RESOLUTION_R8,
+        T4_Y_RESOLUTION_FINE,
+        2048,
+        2400
+    },
+    {
+        "R16_77_B4.tif",
+        T4_X_RESOLUTION_R16,
+        T4_Y_RESOLUTION_FINE,
+        4096,
+        2400
+    },
+    {
+        "R8_154_B4.tif",
+        T4_X_RESOLUTION_R8,
+        T4_Y_RESOLUTION_SUPERFINE,
+        2048,
+        4800
+    },
+    {
+        "R16_154_B4.tif",
+        T4_X_RESOLUTION_R16,
+        T4_Y_RESOLUTION_SUPERFINE,
+        4096,
+        4800
+    },
+    {
+        "R8_385_A3.tif",
+        T4_X_RESOLUTION_R8,
+        T4_Y_RESOLUTION_STANDARD,
+        2432,
+        1556
+    },
+    {
+        "R16_385_A3.tif",
+        T4_X_RESOLUTION_R16,
+        T4_Y_RESOLUTION_STANDARD,
+        4864,
+        1556
+    },
+    {
+        "R8_77_A3.tif",
+        T4_X_RESOLUTION_R8,
+        T4_Y_RESOLUTION_FINE,
+        2432,
+        3111
+    },
+    {
+        "R16_77_A3.tif",
+        T4_X_RESOLUTION_R16,
+        T4_Y_RESOLUTION_FINE,
+        4864,
+        3111
+    },
+    {
+        "R8_154_A3.tif",
+        T4_X_RESOLUTION_R8,
+        T4_Y_RESOLUTION_SUPERFINE,
+        2432,
+        6222
+    },
+    {
+        "R16_154_A3.tif",
+        T4_X_RESOLUTION_R16,
+        T4_Y_RESOLUTION_SUPERFINE,
+        4864,
+        6222
+    },
+    {
+        NULL,
+        0,
+        0,
+        0,
+        0
+    },
+};
+
+int main(int argc, char *argv[])
+{
+    int row;
+    uint8_t image_buffer[1024];
+    TIFF *tiff_file;
+    struct tm *tm;
+    time_t now;
+    char buf[133];
+    float x_resolution;
+    float y_resolution;
+    int i;
+
+    for (i = 0;  sequence[i].name;  i++)
+    {
+        if ((tiff_file = TIFFOpen(sequence[i].name, "w")) == NULL)
+            exit(2);
+
+        /* Prepare the directory entry fully before writing the image, or libtiff complains */
+        TIFFSetField(tiff_file, TIFFTAG_COMPRESSION, COMPRESSION_CCITT_T6);
+        TIFFSetField(tiff_file, TIFFTAG_IMAGEWIDTH, sequence[i].width);
+        TIFFSetField(tiff_file, TIFFTAG_BITSPERSAMPLE, 1);
+        TIFFSetField(tiff_file, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
+        TIFFSetField(tiff_file, TIFFTAG_SAMPLESPERPIXEL, 1);
+        TIFFSetField(tiff_file, TIFFTAG_ROWSPERSTRIP, -1L);
+        TIFFSetField(tiff_file, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
+        TIFFSetField(tiff_file, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISWHITE);
+        TIFFSetField(tiff_file, TIFFTAG_FILLORDER, FILLORDER_LSB2MSB);
+    
+        x_resolution = sequence[i].x_res/100.0f;
+        y_resolution = sequence[i].y_res/100.0f;
+        TIFFSetField(tiff_file, TIFFTAG_XRESOLUTION, floorf(x_resolution*2.54f + 0.5f));
+        TIFFSetField(tiff_file, TIFFTAG_YRESOLUTION, floorf(y_resolution*2.54f + 0.5f));
+        TIFFSetField(tiff_file, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH);
+    
+        TIFFSetField(tiff_file, TIFFTAG_SOFTWARE, "spandsp");
+        if (gethostname(buf, sizeof(buf)) == 0)
+            TIFFSetField(tiff_file, TIFFTAG_HOSTCOMPUTER, buf);
+    
+        TIFFSetField(tiff_file, TIFFTAG_IMAGEDESCRIPTION, "Blank test image");
+        TIFFSetField(tiff_file, TIFFTAG_MAKE, "soft-switch.org");
+        TIFFSetField(tiff_file, TIFFTAG_MODEL, "test data");
+
+        time(&now);
+        tm = localtime(&now);
+        sprintf(buf,
+    	        "%4d/%02d/%02d %02d:%02d:%02d",
+                tm->tm_year + 1900,
+                tm->tm_mon + 1,
+                tm->tm_mday,
+                tm->tm_hour,
+                tm->tm_min,
+                tm->tm_sec);
+        TIFFSetField(tiff_file, TIFFTAG_DATETIME, buf);
+    
+        TIFFSetField(tiff_file, TIFFTAG_IMAGELENGTH, sequence[i].length);
+        TIFFSetField(tiff_file, TIFFTAG_PAGENUMBER, 0, 1);
+        TIFFSetField(tiff_file, TIFFTAG_CLEANFAXDATA, CLEANFAXDATA_CLEAN);
+        TIFFSetField(tiff_file, TIFFTAG_IMAGEWIDTH, sequence[i].width);
+
+        /* Write the image first.... */
+        for (row = 0;  row < sequence[i].length;  row++)
+        {
+            memset(image_buffer, 0, sequence[i].width/8 + 1);
+            if (TIFFWriteScanline(tiff_file, image_buffer, row, 0) < 0)
+            {
+                printf("Write error at row %d.\n", row);
+                exit(2);
+            }
+        }
+        /* ....then the directory entry, and libtiff is happy. */
+        TIFFWriteDirectory(tiff_file);
+        TIFFClose(tiff_file);
+    }
+    return 0;
+}
+/*- End of function --------------------------------------------------------*/
+/*- End of file ------------------------------------------------------------*/