2011.12.21 14:52 "[Tiff] Proposed patch for ppm2tiff", by
Jürgen_Buchmüller
Thread
2011.12.21 17:55 "Re: [Tiff] Proposed patch for ppm2tiff", by Jürgen_Buchmüller
On Wed, 21 Dec 2011 10:08:36 -0600 (CST) Bob Friesenhahn <bfriesen@simple.dallas.tx.us> wrote:
> Since there is only one useful mode option, I suggest that the '-m a' > option be changed to a simple flag like '-a' for append. Can you
> incorporate that in your patch?
Sure. There are more - possibly useful - mode options, though. The list of options given in TIFFOpen(3TIFF) like l,b to change the byte order, m to disable memory mapped files, perhaps h to skip some parsing overhead (untested).
Juergen
--
Jürgen Buchmüller <pullmoll@t-online.de>
--- tiff_3_9_1.old/tools/ppm2tiff.c 2006-04-20 14:36:23.000000000 +0200
+++ tiff_3_9_1/tools/ppm2tiff.c 2011-12-21 17:32:15.253265669 +0100
@@ -75,6 +75,7 @@
uint32 rowsperstrip = (uint32) -1;
double resolution = -1;
unsigned char *buf = NULL;
+ uint32 tiff_append = 0;
tsize_t linebytes = 0;
uint16 spp = 1;
uint16 bpp = 8;
@@ -90,8 +91,11 @@
fprintf(stderr, "%s: Too few arguments\n", argv[0]);
usage();
}- while ((c = getopt(argc, argv, "c:r:R:")) != -1)
+ while ((c = getopt(argc, argv, "ac:r:R:")) != -1)
switch (c) {
+ case 'a':
+ tiff_append = 1;
+ break;
case 'c': /* compression scheme */
if (!processCompressOptions(optarg))
usage();
@@ -190,7 +194,7 @@
BadPPM(infile);
break;
}- out = TIFFOpen(argv[optind], "w");
+ out = TIFFOpen(argv[optind], tiff_append ? "a" : "w");
if (out == NULL)
return (-4);
TIFFSetField(out, TIFFTAG_IMAGEWIDTH, (uint32) w);
@@ -319,6 +323,7 @@
char* stuff[] = {
"usage: ppm2tiff [options] input.ppm output.tif",
"where options are:",
+" -a open the output.tif in append mode",
" -r # make each strip have no more than # rows",
" -R # set x&y resolution (dpi)","",