void rle_addhist(char * argv[], rle_hdr * const in_hdr, rle_hdr * const out_hdr) { const char * const histoire = "HISTORY"; const char * const padding = "\t"; int length; int i; time_t temp; /* padding must give number of characters in histoire */ /* plus one for "=" */ char * timedate; const char * old; static char * newc; if (getenv("NO_ADD_RLE_HISTORY")) return; length = 0; for (i = 0; argv[i]; ++i) length += strlen(argv[i]) +1; /* length of each arg plus space. */ time(&temp); timedate = ctime(&temp); length += strlen(timedate); /* length of date and time in ASCII. */ length += strlen(padding) + 3 + strlen(histoire) + 1; /* length of padding, "on " and length of history name plus "="*/ if (in_hdr) /* if we are interested in the old comments... */ old = rle_getcom(histoire, in_hdr); /* get old comment. */ else old = NULL; if (old && *old) length += strlen(old); /* add length if there. */ ++length; /*Cater for the null. */ MALLOCARRAY(newc, length); if (newc == NULL) return; strcpy(newc,histoire);(void)strcat(newc,"="); if (old && *old) strcat(newc, old); /* add old string if there. */ for (i=0;argv[i];i++) { strcat(newc, argv[i]); strcat(newc, " "); } strcat(newc,"on "); strcat(newc,timedate); /* \n supplied by time. */ strcat(newc,padding); /* to line up multiple histories.*/ rle_putcom(newc, out_hdr); }
/****************************************************************************** * The real dumping routine. * ******************************************************************************/ static void DumpScreen2Rle(GifRowType *ScreenBuffer, int ScreenWidth, int ScreenHeight) { int i, j; char Comment[80]; rle_pixel *rows[4]; GifRowType GifRow; static GifColorType *ColorMapEntry; if (AlphaFlag) RLE_SET_BIT(rle_dflt_hdr, RLE_ALPHA); rle_dflt_hdr.alpha = AlphaFlag != 0; rle_dflt_hdr.rle_file = stdout; rle_dflt_hdr.xmin = 0; rle_dflt_hdr.ymin = 0; rle_dflt_hdr.xmax = ScreenWidth - 1; rle_dflt_hdr.ymax = ScreenHeight - 1; sprintf(Comment, "origin=GIF format, %d colors.", ColorMapSize); rle_putcom(Comment, &rle_dflt_hdr); rle_put_setup(&rle_dflt_hdr); for (i = 0; i < 4; i++) if ((rows[i] = (rle_pixel *) malloc(sizeof(rle_pixel) * ScreenWidth)) == NULL) GIF_EXIT("Failed to allocated memory required, aborted."); if (AlphaFlag) { /* Initial the alpha channel to full coverage: */ for (i = 0; i < ScreenWidth; i++) rows[0][i] = 255; } for (i = 0; i < ScreenHeight; i++) { /* Flip the image vertically as rle files start at the bollom... */ GifRow = ScreenBuffer[ScreenHeight - i - 1]; GifQprintf("\b\b\b\b%-4d", ScreenHeight - i); for (j = 0; j < ScreenWidth; j++) { ColorMapEntry = &ColorMap[GifRow[j]]; rows[1][j] = ColorMapEntry->Red; rows[2][j] = ColorMapEntry->Green; rows[3][j] = ColorMapEntry->Blue; } rle_putrow( &rows[1], ScreenWidth, &rle_dflt_hdr ); } rle_puteof( &rle_dflt_hdr ); }
finish_output_rle (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo) { rle_dest_ptr dest = (rle_dest_ptr) dinfo; rle_hdr header; /* Output file information */ rle_pixel **rle_row, *red, *green, *blue; JSAMPROW output_row; char cmapcomment[80]; int row, col; int ci; #ifdef PROGRESS_REPORT cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress; #endif /* Initialize the header info */ header = *rle_hdr_init(NULL); header.rle_file = dest->pub.output_file; header.xmin = 0; header.xmax = cinfo->output_width - 1; header.ymin = 0; header.ymax = cinfo->output_height - 1; header.alpha = 0; header.ncolors = cinfo->output_components; for (ci = 0; ci < cinfo->output_components; ci++) { RLE_SET_BIT(header, ci); } if (cinfo->quantize_colors) { header.ncmap = cinfo->out_color_components; header.cmaplen = CMAPBITS; header.cmap = dest->colormap; /* Add a comment to the output image with the true colormap length. */ sprintf(cmapcomment, "color_map_length=%d", cinfo->actual_number_of_colors); rle_putcom(cmapcomment, &header); } /* Emit the RLE header and color map (if any) */ rle_put_setup(&header); /* Now output the RLE data from our virtual array. * We assume here that rle_pixel is represented the same as JSAMPLE. */ #ifdef PROGRESS_REPORT if (progress != NULL) { progress->pub.pass_limit = cinfo->output_height; progress->pub.pass_counter = 0; (*progress->pub.progress_monitor) ((j_common_ptr) cinfo); } #endif if (cinfo->output_components == 1) { for (row = cinfo->output_height-1; row >= 0; row--) { rle_row = (rle_pixel **) (*cinfo->mem->access_virt_sarray) ((j_common_ptr) cinfo, dest->image, (JDIMENSION) row, (JDIMENSION) 1, FALSE); rle_putrow(rle_row, (int) cinfo->output_width, &header); #ifdef PROGRESS_REPORT if (progress != NULL) { progress->pub.pass_counter++; (*progress->pub.progress_monitor) ((j_common_ptr) cinfo); } #endif } } else { for (row = cinfo->output_height-1; row >= 0; row--) { rle_row = (rle_pixel **) dest->rle_row; output_row = * (*cinfo->mem->access_virt_sarray) ((j_common_ptr) cinfo, dest->image, (JDIMENSION) row, (JDIMENSION) 1, FALSE); red = rle_row[0]; green = rle_row[1]; blue = rle_row[2]; for (col = cinfo->output_width; col > 0; col--) { *red++ = GETJSAMPLE(*output_row++); *green++ = GETJSAMPLE(*output_row++); *blue++ = GETJSAMPLE(*output_row++); } rle_putrow(rle_row, (int) cinfo->output_width, &header); #ifdef PROGRESS_REPORT if (progress != NULL) { progress->pub.pass_counter++; (*progress->pub.progress_monitor) ((j_common_ptr) cinfo); } #endif } } #ifdef PROGRESS_REPORT if (progress != NULL) progress->completed_extra_passes++; #endif /* Emit file trailer */ rle_puteof(&header); fflush(dest->pub.output_file); if (ferror(dest->pub.output_file)) ERREXIT(cinfo, JERR_FILE_WRITE); }
and the .rle file is written to stdout\n"; int main(int argc, char **argv) { unsigned char *scan_buf; size_t y; infp = stdin; outrle.rle_file = stdout; if (!get_args(argc, argv, &outrle, &infp, &infile, (int **)&background, &file_width, &file_height)) { (void)fputs(usage, stderr); bu_exit (1, NULL); } scan_buf = (unsigned char *)malloc(sizeof(unsigned char) * file_width); outrle.ncolors = 1; RLE_SET_BIT(outrle, RLE_RED); outrle.background = 2; /* use background */ outrle.bg_color = background; outrle.alpha = 0; /* no alpha channel */ outrle.ncmap = 0; /* no color map */ outrle.cmaplen = 0; outrle.cmap = (rle_map *)0; outrle.xmin = outrle.ymin = 0; outrle.xmax = file_width-1; outrle.ymax = file_height-1; outrle.comments = (const char **)0; /* Add comments to the header file, since we have one */ snprintf(comment, 128, "converted_from=%s", infile); rle_putcom(strdup(comment), &outrle); now = time(0); sprintf(comment, "converted_date=%24.24s", ctime(&now)); rle_putcom(strdup(comment), &outrle); if ((who = getenv("USER")) != (char *)0) { snprintf(comment, 128, "converted_by=%s", who); rle_putcom(strdup(comment), &outrle); } else { if ((who = getenv("LOGNAME")) != (char *)0) { snprintf(comment, 128, "converted_by=%s", who); rle_putcom(strdup(comment), &outrle); } } #if HAVE_GETHOSTNAME gethostname(host, sizeof(host)); snprintf(comment, 128, "converted_host=%s", host); rle_putcom(strdup(comment), &outrle); #endif rle_put_setup(&outrle); rle_row_alloc(&outrle, &rows); /* Read image a scanline at a time, and encode it */ for (y = 0; y < file_height; y++) { if (fread((char *)scan_buf, sizeof(unsigned char), (size_t)file_width, infp) != file_width) { (void) fprintf(stderr, "bw-rle: read of %lu pixels on line %lu failed!\n", (unsigned long)file_width, (unsigned long)y); bu_exit (1, NULL); } /* Grumble, convert to Utah layout */ { unsigned char *pp = scan_buf; rle_pixel *rp = rows[0]; size_t i; for (i=0; i<file_width; i++) { *rp++ = *pp++; } } rle_putrow(rows, file_width, &outrle); } rle_puteof(&outrle); fclose(infp); fclose(outrle.rle_file); return 0; }
int main(int argc, char **argv) { FBIO *fbp; unsigned char *scan_buf; int y; int cm_save_needed; outrle.rle_file = stdout; if (!get_args(argc, argv)) { (void)fputs(usage, stderr); bu_exit(1, NULL); } /* If screen size = default & file size is given, track file size */ if (screen_width == 0 && file_width > 0) screen_width = file_width; if (screen_height == 0 && file_height > 0) screen_height = file_height; if ((fbp = fb_open(framebuffer, screen_width, screen_height)) == FBIO_NULL) bu_exit(12, NULL); /* Honor original screen size desires, if set, unless they shrank */ if (screen_width == 0 || fb_getwidth(fbp) < screen_width) screen_width = fb_getwidth(fbp); if (screen_height == 0 || fb_getheight(fbp) < screen_height) screen_height = fb_getheight(fbp); /* If not specified, output file size tracks screen size */ if (file_width == 0) file_width = screen_width; if (file_height == 0) file_height = screen_height; /* Clip below and to left of (0, 0) */ if (screen_xoff < 0) { file_width += screen_xoff; screen_xoff = 0; } if (screen_yoff < 0) { file_height += screen_yoff; screen_yoff = 0; } /* Clip up and to the right */ if (screen_xoff + file_width > screen_width) file_width = screen_width - screen_xoff; if (screen_yoff + file_height > screen_height) file_height = screen_height - screen_yoff; if (file_width <= 0 || file_height <= 0) { fprintf(stderr, "fb-rle: Error: image rectangle entirely off screen\n"); bu_exit(1, NULL); } /* Read color map, see if it is linear */ cm_save_needed = 1; if (fb_rmap(fbp, &cmap) == -1) cm_save_needed = 0; if (cm_save_needed && fb_is_linear_cmap(&cmap)) cm_save_needed = 0; if (crunch && (cm_save_needed == 0)) crunch = 0; /* Convert to Utah format */ if (cm_save_needed) for (y=0; y<256; y++) { rlemap[y+0*256] = cmap.cm_red[y]; rlemap[y+1*256] = cmap.cm_green[y]; rlemap[y+2*256] = cmap.cm_blue[y]; } scan_buf = (unsigned char *)malloc(sizeof(RGBpixel) * screen_width); /* Build RLE header */ outrle.ncolors = 3; RLE_SET_BIT(outrle, RLE_RED); RLE_SET_BIT(outrle, RLE_GREEN); RLE_SET_BIT(outrle, RLE_BLUE); outrle.background = 2; /* use background */ outrle.bg_color = background; outrle.alpha = 0; /* no alpha channel */ if (cm_save_needed && !crunch) { outrle.ncmap = 3; outrle.cmaplen = 8; /* 1<<8 = 256 */ outrle.cmap = rlemap; } else { outrle.ncmap = 0; /* no color map */ outrle.cmaplen = 0; outrle.cmap = (rle_map *)0; } outrle.xmin = screen_xoff; outrle.ymin = screen_yoff; outrle.xmax = screen_xoff + file_width - 1; outrle.ymax = screen_yoff + file_height - 1; outrle.comments = (const char **)0; /* Add comments to the header file, since we have one */ if (framebuffer == (char *)0) framebuffer = fbp->if_name; snprintf(comment, COMMENT_SIZE, "encoded_from=%s", framebuffer); rle_putcom(bu_strdup(comment), &outrle); now = time(0); snprintf(comment, COMMENT_SIZE, "encoded_date=%24.24s", ctime(&now)); rle_putcom(bu_strdup(comment), &outrle); if ((who = getenv("USER")) != (char *)0) { snprintf(comment, COMMENT_SIZE, "encoded_by=%s", who); rle_putcom(bu_strdup(comment), &outrle); } # if HAVE_GETHOSTNAME gethostname(host, sizeof(host)); snprintf(comment, COMMENT_SIZE, "encoded_host=%s", host); rle_putcom(bu_strdup(comment), &outrle); # endif rle_put_setup(&outrle); rle_row_alloc(&outrle, &rows); /* Read the image a scanline at a time, and encode it */ for (y = 0; y < file_height; y++) { if (fb_read(fbp, screen_xoff, y+screen_yoff, scan_buf, file_width) == -1) { (void) fprintf(stderr, "fb-rle: read of %d pixels on line %d failed!\n", file_width, y+screen_yoff); bu_exit(1, NULL); } if (crunch) cmap_crunch((RGBpixel *)scan_buf, file_width, &cmap); /* Grumble, convert to Utah layout */ { unsigned char *pp = (unsigned char *)scan_buf; rle_pixel *rp = rows[0]; rle_pixel *gp = rows[1]; rle_pixel *bp = rows[2]; int i; for (i=0; i<file_width; i++) { *rp++ = *pp++; *gp++ = *pp++; *bp++ = *pp++; } } rle_putrow(rows, file_width, &outrle); } rle_puteof(&outrle); fb_close(fbp); fclose(outrle.rle_file); return 0; }