X-Git-Url: http://git.ieval.ro/?p=xfishtank.git;a=blobdiff_plain;f=ppmtofish%2Fppmtofish.c;fp=ppmtofish%2Fppmtofish.c;h=0000000000000000000000000000000000000000;hp=b25374431eec750754bfd4a6f8bc058001ec8972;hb=4c1bd65b5f48075ff80be1e401beb5ff21b4b89e;hpb=4deccbc95c1e3e86669d84c2f6922ee6a5f5180a

diff --git a/ppmtofish/ppmtofish.c b/ppmtofish/ppmtofish.c
deleted file mode 100644
index b253744..0000000
--- a/ppmtofish/ppmtofish.c
+++ /dev/null
@@ -1,509 +0,0 @@
-#include <stdio.h>
-
-#define MAXCOLORS 256
-#define COLS_PER_LINE	7
-#define NUMS_PER_LINE	16
-
-extern unsigned char *ReadGifBitmap();
-
-struct ebmhdr {
-    char magic[12];
-    unsigned int width, height;
-    int num_colors;
-};
-struct rgb_color {
-    unsigned int red, green, blue;
-    int pix_len;
-};
-
-
-
-/*
- * dscan is a quick replacement for:
- *
- *    fscanf (fp, "%d", &ip);
- */
-dscan(fp, ip)
-FILE *fp;
-int *ip;
-{
-
-    register int v = 0;
-    register int n = 0;
-    int done = 0;
-    static int nerrors;
-
-    while (!done) {
-	register int i;
-	i = getc(fp);
-	if (i < 0) {
-	    *ip = v;
-	    fprintf(stderr, "dscanf: EOF");
-	    if (nerrors++ > 2)
-		return (-1);
-	    else if (nerrors++ > 4)
-		exit(-1);
-	    return (n);
-	}
-	i &= 0xFF;
-	switch (i) {
-	case '0':
-	case '1':
-	case '2':
-	case '3':
-	case '4':
-	case '5':
-	case '6':
-	case '7':
-	case '8':
-	case '9':
-	    v = i - '0' + (v * 10);
-	    n++;
-	    break;
-	case '\n':
-	case '\r':
-	case ' ':
-	case '\t':
-	    if (n) {
-		*ip = v;
-		done = 1;
-	    }
-	    break;
-	default:
-	    fprintf(stderr, "dscanf: non numeric character (0x%x) '%c'\n", i, i);
-	    if (nerrors++ > 4)
-		exit(-1);
-	    return (-1);
-
-	}
-    }
-    return (n);
-}
-
-
-
-unsigned char *
-ReadEbmBitmap(fp, w, h, colrs)
-FILE *fp;
-int *w, *h;
-struct rgb_color *colrs;
-{
-    int i, temp, scale;
-    unsigned int bmap_size;
-    int *ptr[3];
-    int red, green, blue;
-    char line[1024];
-    unsigned char *bit_data;
-    unsigned char *bitp;
-
-    bit_data = NULL;
-    *w = 0;
-    *h = 0;
-
-    if ((fscanf(fp, "%12s %d %d %d\n", line, w, h, &scale) == 4) &&
-	(strcmp(line, "xstitch_data") == 0)) {
-	for (i = 0; i < 3; i++) {
-	    fscanf(fp, "%s", line);
-	    if (strcmp(line, "red") == 0) {
-		ptr[i] = &red;
-	    } else if (strcmp(line, "green") == 0) {
-		ptr[i] = &green;
-	    } else if (strcmp(line, "blue") == 0) {
-		ptr[i] = &blue;
-	    } else {
-		fprintf(stderr, "File has improper format\n");
-		return ((unsigned char *) NULL);
-	    }
-	}
-	fscanf(fp, "[^\n]\n");
-	for (i = 0; i < scale; i++) {
-	    line[0] = '\0';
-	    if (fscanf(fp, "%d %d %d%[^\n]\n", ptr[0], ptr[1], ptr[2], line) < 3) {
-		fprintf(stderr, "Bad color data #%d\n", i);
-	    }
-	    colrs[i].red = red;
-	    colrs[i].green = green;
-	    colrs[i].blue = blue;
-	}
-
-	bmap_size = (*w) * (*h);
-	bit_data = (unsigned char *) malloc(bmap_size);
-	if (bit_data == NULL) {
-	    fprintf(stderr, "Cannot allocate space for bitmap\n");
-	}
-	bitp = bit_data;
-	for (i = 0; i < bmap_size; i++) {
-	    if (dscan(fp, &temp) == -1)
-		break;
-	    if (temp > (scale - 1))
-		temp = 0;
-	    *bitp = (unsigned char) temp;
-	    bitp++;
-	}
-    } else {
-	return ((unsigned char *) NULL);
-    }
-    return (bit_data);
-}
-
-
-
-int
-swapint(in)
-int in;
-{
-    int out;
-
-    out = 0;
-    out = out | ((in >> 24) & 0xff);
-    out = out | ((in >> 8) & 0xff00);
-    out = out | ((in << 8) & 0xff0000);
-    out = out | ((in << 24) & 0xff000000);
-    return (out);
-}
-
-
-
-unsigned char *
-ReadCompactEbmBitmap(fp, w, h, colrs)
-FILE *fp;
-int *w, *h;
-struct rgb_color *colrs;
-{
-    int i, scale;
-    unsigned int bmap_size;
-    char pix_file[1024];
-    unsigned char *bit_data;
-    unsigned char *bitp;
-    struct ebmhdr Hdr;
-    struct rgb_color color_data;
-    int doswap;
-
-    doswap = 0;
-    bit_data = NULL;
-    *w = 0;
-    *h = 0;
-
-    fread(&Hdr, sizeof(struct ebmhdr), 1, fp);
-    if (strcmp(Hdr.magic, "xstitch") == 0) {
-	/*
-	 * a horrible hack to deal with different byte ordering on
-	 * different machines.  Is based on assumption of only 2
-	 * possible byte orderings, and never more than 256 colors.
-	 */
-	if (Hdr.num_colors > 256) {
-	    doswap = 1;
-	    Hdr.width = swapint(Hdr.width);
-	    Hdr.height = swapint(Hdr.height);
-	    Hdr.num_colors = swapint(Hdr.num_colors);
-	}
-	*w = Hdr.width;
-	*h = Hdr.height;
-	scale = Hdr.num_colors;
-	for (i = 0; i < Hdr.num_colors; i++) {
-	    fread(&colrs[i], sizeof(struct rgb_color), 1, fp);
-	    if (doswap) {
-		colrs[i].red = swapint(colrs[i].red);
-		colrs[i].green = swapint(colrs[i].green);
-		colrs[i].blue = swapint(colrs[i].blue);
-		colrs[i].pix_len = swapint(colrs[i].pix_len);
-	    }
-	    if (colrs[i].pix_len != 0) {
-		if (colrs[i].pix_len > 1023) {
-		    fprintf(stderr, "bad pattern\n");
-		    return ((unsigned char *) NULL);
-		}
-		fread(pix_file, sizeof(char), colrs[i].pix_len, fp);
-	    }
-	}
-
-	bmap_size = (*w) * (*h);
-	bit_data = (unsigned char *) malloc(bmap_size);
-	if (bit_data == NULL) {
-	    fprintf(stderr, "Cannot allocate space for bitmap\n");
-	}
-	fread(bit_data, sizeof(unsigned char), ((*w) * (*h)), fp);
-
-	bitp = bit_data;
-	for (i = 0; i < bmap_size; i++) {
-	    if ((int) *bitp > (scale - 1))
-		*bitp = (unsigned char) 0;
-	    bitp++;
-	}
-    } else {
-	return ((unsigned char *) NULL);
-    }
-    return (bit_data);
-}
-
-
-struct rgb_color
- *
-MapColors(data1, colrs1, data2, colrs2, width, height, Cnt)
-unsigned char *data1;
-struct rgb_color *colrs1;
-unsigned char *data2;
-struct rgb_color *colrs2;
-int width, height;
-int *Cnt;
-{
-    int i, j;
-    int fcnt, indx;
-    int Mapping[MAXCOLORS];
-    unsigned char *ptr;
-    struct rgb_color *fcolrs;
-
-    fcolrs = (struct rgb_color *) malloc((MAXCOLORS + 1) * sizeof(struct rgb_color));
-
-    fcnt = 0;
-    ptr = data1;
-    for (i = 0; i < (width * height); i++) {
-	indx = (int) *ptr;
-	for (j = 0; j < fcnt; j++) {
-	    if ((fcolrs[j].red == colrs1[indx].red) &&
-		(fcolrs[j].green == colrs1[indx].green) &&
-		(fcolrs[j].blue == colrs1[indx].blue)) {
-		break;
-	    }
-	}
-	if (j == fcnt) {
-	    fcolrs[j].red = colrs1[indx].red;
-	    fcolrs[j].green = colrs1[indx].green;
-	    fcolrs[j].blue = colrs1[indx].blue;
-	    Mapping[indx] = j;
-	    fcnt++;
-	    if (fcnt > MAXCOLORS) {
-		fprintf(stderr, "Error: cannot use more than %d colors in your fish\n",
-			MAXCOLORS);
-		exit(1);
-	    }
-	}
-	ptr++;
-    }
-    ptr = data1;
-    for (i = 0; i < (width * height); i++) {
-	indx = (int) *ptr;
-	*ptr = (unsigned char) (Mapping[indx]);
-	ptr++;
-    }
-
-    ptr = data2;
-    for (i = 0; i < (width * height); i++) {
-	indx = (int) *ptr;
-	for (j = 0; j < fcnt; j++) {
-	    if ((fcolrs[j].red == colrs2[indx].red) &&
-		(fcolrs[j].green == colrs2[indx].green) &&
-		(fcolrs[j].blue == colrs2[indx].blue)) {
-		break;
-	    }
-	}
-	if (j == fcnt) {
-	    fcolrs[j].red = colrs2[indx].red;
-	    fcolrs[j].green = colrs2[indx].green;
-	    fcolrs[j].blue = colrs2[indx].blue;
-	    Mapping[indx] = j;
-	    fcnt++;
-	    if (fcnt > MAXCOLORS) {
-		fprintf(stderr, "Error: cannot use more than %d colors in your fish\n",
-			MAXCOLORS);
-		exit(1);
-	    }
-	}
-	ptr++;
-    }
-    ptr = data2;
-    for (i = 0; i < (width * height); i++) {
-	indx = (int) *ptr;
-	*ptr = (unsigned char) (Mapping[indx]);
-	ptr++;
-    }
-
-    for (i = 0; i < fcnt; i++) {
-	fcolrs[i].red = fcolrs[i].red * 256;
-	fcolrs[i].green = fcolrs[i].green * 256;
-	fcolrs[i].blue = fcolrs[i].blue * 256;
-    }
-    for (i = fcnt; i < 16; i++) {
-	fcolrs[i].red = 0;
-	fcolrs[i].green = 0;
-	fcolrs[i].blue = 0;
-    }
-
-    if (fcnt < 16) {
-	fcnt = 16;
-    }
-    *Cnt = fcnt;
-    return (fcolrs);
-}
-
-
-
-main(argc, argv)
-int argc;
-char *argv[];
-{
-    FILE *ifd;
-    FILE *ofd;
-    int i, cnt, fcnt;
-    struct rgb_color colrs1[MAXCOLORS];
-    struct rgb_color colrs2[MAXCOLORS];
-    struct rgb_color *fcolrs;
-    unsigned char *data1, *data2;
-    int width1, height1, width2, height2;
-    char outfile[256];
-    char *outname;
-    int num_cnt;
-
-    if (argc < 3) {
-	fprintf(stderr, "Usage:  %s <fish1> <fish2> [<outprefix>]\n", argv[0]);
-	exit(1);
-    }
-
-    ifd = fopen(argv[1], "r");
-    if (ifd == NULL) {
-	fprintf(stderr, "Error:  cannot open (%s) for read\n", argv[1]);
-	exit(1);
-    }
-
-    data1 = ReadCompactEbmBitmap(ifd, &width1, &height1, colrs1);
-    if (data1 == NULL) {
-	rewind(ifd);
-	data1 = ReadEbmBitmap(ifd, &width1, &height1, colrs1);
-    }
-    if (data1 == NULL) {
-	rewind(ifd);
-	data1 = ReadGifBitmap(ifd, &width1, &height1, colrs1);
-    }
-    fclose(ifd);
-
-    if (data1 == NULL) {
-	fprintf(stderr, "Error:  (%s) has unknown format\n", argv[1]);
-	exit(1);
-    }
-
-    ifd = fopen(argv[2], "r");
-    if (ifd == NULL) {
-	fprintf(stderr, "Error:  cannot open (%s) for read\n", argv[2]);
-	exit(1);
-    }
-
-    data2 = ReadCompactEbmBitmap(ifd, &width2, &height2, colrs2);
-    if (data2 == NULL) {
-	rewind(ifd);
-	data2 = ReadEbmBitmap(ifd, &width2, &height2, colrs2);
-    }
-    if (data2 == NULL) {
-	rewind(ifd);
-	data2 = ReadGifBitmap(ifd, &width2, &height2, colrs2);
-    }
-    fclose(ifd);
-
-    if (data2 == NULL) {
-	fprintf(stderr, "Error:  (%s) has unknown format\n", argv[2]);
-	exit(1);
-    }
-
-
-    if ((width1 != width2) || (height1 != height2)) {
-	fprintf(stderr, "Error:  fish must have same dimensions\n");
-	exit(1);
-    }
-
-    fcolrs = MapColors(data1, colrs1, data2, colrs2, width1, height1, &fcnt);
-
-    if (data1[0] != data2[0]) {
-	fprintf(stderr, "Error:  fish must have same backgrounds\n");
-	exit(1);
-    }
-
-    if (argc >= 4) {
-	outname = argv[3];
-    } else {
-	cnt = 0;
-	while ((argv[1][cnt] == argv[2][cnt]) && (argv[1][cnt] != '.') && (argv[2][cnt] != '.')) {
-	    cnt++;
-	}
-	if (cnt == 0) {
-	    fprintf(stderr, "Error:  files need common prefix\n");
-	    exit(1);
-	}
-	outname = (char *) malloc(cnt + 1);
-	strncpy(outname, argv[1], cnt);
-	outname[cnt] = '\0';
-    }
-    sprintf(outfile, "%s.h", outname);
-
-    ofd = fopen(outfile, "w");
-    if (ofd == NULL) {
-	fprintf(stderr, "Error:  cannot open (%s) for writing\n", outfile);
-	exit(1);
-    }
-
-    fprintf(ofd, "#define %s_width\t\t%d\n", outname, width1);
-    fprintf(ofd, "#define %s_height\t\t%d\n", outname, height1);
-    fprintf(ofd, "#define %s_colors\t\t%d\n", outname, fcnt);
-    fprintf(ofd, "#define %s_back\t\t%d\n", outname, (int) data1[0]);
-    fprintf(ofd, "int\t%s_reds[] = {", outname);
-    num_cnt = 0;
-    for (i = 0; i < fcnt; i++) {
-	if (i == (fcnt - 1)) {
-	    fprintf(ofd, "%d};\n", fcolrs[i].red);
-	} else {
-	    fprintf(ofd, "%d, ", fcolrs[i].red);
-	    if (++num_cnt >= COLS_PER_LINE) {
-		fprintf(ofd, "\n");
-		num_cnt = 0;
-	    }
-	}
-    }
-    fprintf(ofd, "int\t%s_greens[] = {", outname);
-    num_cnt = 0;
-    for (i = 0; i < fcnt; i++) {
-	if (i == (fcnt - 1)) {
-	    fprintf(ofd, "%d};\n", fcolrs[i].green);
-	} else {
-	    fprintf(ofd, "%d, ", fcolrs[i].green);
-	    if (++num_cnt >= COLS_PER_LINE) {
-		fprintf(ofd, "\n");
-		num_cnt = 0;
-	    }
-	}
-    }
-    fprintf(ofd, "int\t%s_blues[] = {", outname);
-    num_cnt = 0;
-    for (i = 0; i < fcnt; i++) {
-	if (i == (fcnt - 1)) {
-	    fprintf(ofd, "%d};\n", fcolrs[i].blue);
-	} else {
-	    fprintf(ofd, "%d, ", fcolrs[i].blue);
-	    if (++num_cnt >= COLS_PER_LINE) {
-		fprintf(ofd, "\n");
-		num_cnt = 0;
-	    }
-	}
-    }
-    fprintf(ofd, "unsigned char\t%s_rasterA[] = {\n", outname);
-    num_cnt = 0;
-    for (i = 0; i < (width1 * height1); i++) {
-	fprintf(ofd, "0x%02x,", data1[i]);
-	if (++num_cnt >= NUMS_PER_LINE) {
-	    fprintf(ofd, "\n");
-	    num_cnt = 0;
-	}
-    }
-    fprintf(ofd, "};\n");
-    fprintf(ofd, "unsigned char\t%s_rasterB[] = {\n", outname);
-    num_cnt = 0;
-    for (i = 0; i < (width1 * height1); i++) {
-	fprintf(ofd, "0x%02x,", data2[i]);
-	if (++num_cnt >= NUMS_PER_LINE) {
-	    fprintf(ofd, "\n");
-	    num_cnt = 0;
-	}
-    }
-    fprintf(ofd, "};\n");
-
-    fclose(ofd);
-
-    exit(0);
-}