diff options
Diffstat (limited to 'util.c')
| -rw-r--r-- | util.c | 242 |
1 files changed, 242 insertions, 0 deletions
@@ -0,0 +1,242 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> + +#include "iis.h" +#include "xim.h" + +/* Definitions for the supported ISM Modules. */ +int ism_nmodules = 0; + +ismModule ism_modules[] = { + {"wcspix", "", NULL, NULL, NULL, 0}, +}; + +/* BSWAP2 - Move bytes from array "a" to array "b", swapping successive + * pairs of bytes. The two arrays may be the same but may not be offset + * and overlapping. + */ +void bswap2 (char* a, char* b, int nbytes) +{ + register char *ip=a, *op=b, *otop; + register unsigned temp; + + /* Swap successive pairs of bytes. + */ + for (otop = op + (nbytes & ~1); op < otop; ) { + temp = *ip++; + *op++ = *ip++; + *op++ = temp; + } + + /* If there is an odd byte left, move it to the output array. + */ + if (nbytes & 1) + *op = *ip; +} + +/* GET_FBCONFIG -- Read the XIMTOOL startup file to get the set of possible + * frame buffer sizes. + * + * File format: configno nframes width height [extra fields] + * e.g., 1 2 512 512 + * 2 2 800 800 + * 3 1 1024 1024 # comment + */ +void get_fbconfig (register XimDataPtr xim) +{ + register char *ip; + register FILE *fp = NULL; + int config, nframes, width, height, i; + char lbuf[SZ_LINE+1], *fname; + static char *fb_paths[] = { + "/usr/local/lib/imtoolrc", + "/opt/local/lib/imtoolrc", + "/iraf/iraf/dev/imtoolrc", + "/local/lib/imtoolrc", + "/usr/iraf/dev/imtoolrc", + "/usr/local/iraf/dev/imtoolrc", + NULL}; + + /* Initialize the config table. */ + xim->fb_configno = 1; + for (i=0; i < MAX_FBCONFIG; i++) { + xim->fb_config[i].nframes = 1; + xim->fb_config[i].width = DEF_FRAME_WIDTH; + xim->fb_config[i].height = DEF_FRAME_HEIGHT; + } + + /* Now add in some defaults for commonly used sizes based on the + * standard IRAF imtoolrc file, we'll avoid any instrument specific + * configurations. + */ + xim->fb_config[0].width = xim->fb_config[0].height = 512; + xim->fb_config[1].width = xim->fb_config[1].height = 800; + xim->fb_config[2].width = xim->fb_config[2].height = 1024; + xim->fb_config[3].width = xim->fb_config[3].height = 1600; + xim->fb_config[4].width = xim->fb_config[4].height = 2048; + xim->fb_config[5].width = xim->fb_config[5].height = 4096; + + /* Attempt to open the config file. */ + if ((fname=getenv(FBCONFIG_ENV1)) || (fname=getenv(FBCONFIG_ENV2))) + fp = fopen (fname, "r"); + if (!fp && (fname = getenv ("HOME"))) { + sprintf (lbuf, "%s/%s", fname, FBCONFIG_1); + fp = fopen (fname = lbuf, "r"); + if (fp) { + if (xim->imtoolrc) + free(xim->imtoolrc); + xim->imtoolrc = (char *) calloc (SZ_LINE, sizeof(char)); + strncpy (xim->imtoolrc, fname, strlen(fname)); + } + } + if (!fp) + fp = fopen (fname = xim->imtoolrc, "r"); + for (i=0; !fp && fb_paths[i]; i++) { + if ((fp = fopen (fname = fb_paths[i], "r"))) { + if (xim->imtoolrc) + free(xim->imtoolrc); + + xim->imtoolrc = calloc(strlen(fb_paths[i])+1,sizeof(char)); + strncpy (xim->imtoolrc, fb_paths[i],strlen(fb_paths[i])); + break; + } + } + if (!fp) { + default_imtoolrc(xim); + return; + } + + /* Scan the frame buffer configuration file. + */ + while (fgets (lbuf, SZ_LINE, fp) != NULL) { + /* Skip comment lines and blank lines. */ + for (ip=lbuf; *ip == ' ' || *ip == '\t'; ip++) + ; + if (*ip == '\n' || *ip == '#') + continue; + if (!isdigit (*ip)) + continue; + switch (sscanf (ip, "%d%d%d%d", &config,&nframes,&width,&height)) { + case 4: + break; /* normal case */ + case 3: + height = width; /* default to square format */ + break; + default: + fprintf (stderr, "ximtool: bad config `%s'\n", ip); + continue; + } + + nframes = max (1, nframes); + width = max (1, width); + height = max (1, height); + + /* Since the frame buffer is stored in a memory pixrect + * (effectively), the line length should be an integral number + * of 16 bit words. + */ + if (width & 1) { + fprintf (stderr, "imtool warning: fb config %d [%d-%dx%d] - ", + config, nframes, width, height); + fprintf (stderr, "frame width should be even, reset to %d\n", + --width); + } + + config = max(1, min(MAX_FBCONFIG, config)) - 1; + xim->fb_config[config].nframes = nframes; + xim->fb_config[config].width = width; + xim->fb_config[config].height = height; + } + + if (fp) fclose (fp); +} + +/* + * Default imtoolrc file-- if a valid imtoolrc file can not be found, + * then fill out a default fb_config + */ + +void default_imtoolrc(XimDataPtr xim) +{ + /* 1 2 512 512 # imt1|imt512 */ + xim->fb_config[0].nframes = 2; + xim->fb_config[0].width = 512; + xim->fb_config[0].height = 512; + /* 2 2 800 800 # imt2|imt800 */ + xim->fb_config[1].nframes = 2; + xim->fb_config[1].width = 800; + xim->fb_config[1].height = 800; + /* 3 2 1024 1024 # imt3|imt1024 */ + xim->fb_config[2].nframes = 2; + xim->fb_config[2].width = 1024; + xim->fb_config[2].height = 1024; + /* 4 1 1600 1600 # imt4|imt1600 */ + xim->fb_config[3].nframes = 1; + xim->fb_config[3].width = 1600; + xim->fb_config[3].height = 1600; + /* 5 1 2048 2048 # imt5|imt2048 */ + xim->fb_config[4].nframes = 1; + xim->fb_config[4].width = 2048; + xim->fb_config[4].height = 2048; + /* 6 1 4096 4096 # imt6|imt4096 */ + xim->fb_config[5].nframes = 1; + xim->fb_config[5].width = 4096; + xim->fb_config[5].height = 4096; + /* 7 1 8192 8192 # imt7|imt8192 */ + xim->fb_config[6].nframes = 1; + xim->fb_config[6].width = 8192; + xim->fb_config[6].height = 8192; + /* 8 1 1024 4096 # imt8|imt1x4 */ + xim->fb_config[7].nframes = 1; + xim->fb_config[7].width = 1024; + xim->fb_config[7].height = 4096; + /* 9 2 1144 880 # imt9|imtfs full screen (1152x900 minus frame) */ + xim->fb_config[8].nframes = 2; + xim->fb_config[8].width = 1144; + xim->fb_config[8].height = 880; + /* 10 2 1144 764 # imt10|imtfs35 full screen at 35mm film aspect */ + xim->fb_config[9].nframes = 2; + xim->fb_config[9].width = 1144; + xim->fb_config[9].height = 764; + /* 11 2 128 128 # imt11|imt128 */ + xim->fb_config[10].nframes = 2; + xim->fb_config[10].width = 128; + xim->fb_config[10].height = 128; + /* 12 2 256 256 # imt12|imt256 */ + xim->fb_config[11].nframes = 2; + xim->fb_config[11].width = 256; + xim->fb_config[11].height = 256; + /* 13 2 128 1056 # imt13|imttall128 tall & narrow for spectro. */ + xim->fb_config[12].nframes = 2; + xim->fb_config[12].width = 128; + xim->fb_config[12].height = 1056; + /* 14 2 256 1056 # imt14|imttall256 tall & wider for spectro. */ + xim->fb_config[13].nframes = 2; + xim->fb_config[13].width = 256; + xim->fb_config[13].height = 1056; + /* 15 2 1056 128 # imt15|imtwide128 wide & thin for spectro. */ + xim->fb_config[14].nframes = 2; + xim->fb_config[14].width = 1056; + xim->fb_config[14].height = 128; + /* 16 2 1056 256 # imt16|imtwide256 wide & fatter for spectro. */ + xim->fb_config[15].nframes = 2; + xim->fb_config[15].width = 1056; + xim->fb_config[15].height = 256; + /* 17 2 1008 648 # imt17|imtssy Solitaire fmt w/ imtool border */ + xim->fb_config[16].nframes = 2; + xim->fb_config[16].width = 1008; + xim->fb_config[16].height = 648; + /* 18 2 1024 680 # imt18|imtssn Solitaire fmt w/out imtool border */ + xim->fb_config[17].nframes = 2; + xim->fb_config[17].width = 1024; + xim->fb_config[17].height = 680; + /* 19 1 4096 1024 # imt19|imt4x1 */ + xim->fb_config[18].nframes = 1; + xim->fb_config[18].width = 4096; + xim->fb_config[18].height = 1024; +} + +void wcspix_message (XimDataPtr xim, char* message) {} +void ism_message (XimDataPtr xim, char* object, char* command) {} |