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Diffstat (limited to 'engines/sci/tools/bdftofont.cpp')
| -rw-r--r-- | engines/sci/tools/bdftofont.cpp | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/engines/sci/tools/bdftofont.cpp b/engines/sci/tools/bdftofont.cpp new file mode 100644 index 0000000000..4e7d9ddb65 --- /dev/null +++ b/engines/sci/tools/bdftofont.cpp @@ -0,0 +1,181 @@ +/*************************************************************************** + bdftofont.c Copyright (C) 2003 Christoph Reichenbach + + + This program may be modified and copied freely according to the terms of + the GNU general public license (GPL), as long as the above copyright + notice and the licensing information contained herein are preserved. + + Please refer to www.gnu.org for licensing details. + + This work is provided AS IS, without warranty of any kind, expressed or + implied, including but not limited to the warranties of merchantibility, + noninfringement, and fitness for a specific purpose. The author will not + be held liable for any damage caused by this work or derivatives of it. + + By using this source code, you agree to the licensing terms as stated + above. + + + Please contact the maintainer for bug reports or inquiries. + + Current Maintainer: + + Christoph Reichenbach (CR) <jameson@linuxgames.com> + +***************************************************************************/ + +#include <bdf.h> +#include <config.h> +#include <stdlib.h> +#include <stdio.h> + + +bdf_options_t bdf_opts = { + 0, /* ttf_hint */ + 0, /* correct_metrics */ + 0, /* keep_unencoded */ + 0, /* keep_comments */ + 0, /* pad_cells */ + 0, /* font_spacing */ + 0, /* point_size */ + 0, /* resolution_x */ + 0, /* resolution_y */ + 0, /* bits_per_pixel */ + BDF_UNIX_EOL /* eol */ +}; + + +#define GLYPH(n) glyphs[(((n) > 31)? ((n) - 31) : 0)] + +void +convert_font(FILE *in_file, FILE *out_file) +{ + bdf_font_t *font = + bdf_load_font(in_file, + &bdf_opts, + NULL, NULL); + + int chars_nr = font->glyphs_used; + int width = font->monowidth; + int bytes_per_row = (width + 7) >> 3; + int line_height; + int char_height = 0; + int char_byte_size; + int i; + bdf_glyph_t *glyphs = font->glyphs; + + fclose(in_file); + + if (!font) { + fprintf(stderr, "Not a BDF file? Aborting!\n"); + exit(1); + } + + printf("Res = %d/%d; pointsize = %d, spacing = %d, width=%d, asc=%ld, desc=%ld, glyphs=%ld\n", + font->resolution_x, + font->resolution_y, + font->point_size, + font->spacing, + font->monowidth, + font->font_ascent, + font->font_descent, + chars_nr); + + if (chars_nr > 256) + chars_nr = 256; + + for (i = 0; i < chars_nr; i++) { + int rh = GLYPH(i).bbx.height; + + if (rh > char_height) + char_height = rh; + } + + + + line_height = char_height + 1; + char_byte_size = bytes_per_row * char_height; + + fprintf(out_file, "# %d %d\n", chars_nr, char_height + 1); + + for (i = 0; i < chars_nr; i++) { + int rh = GLYPH(i).bbx.height; + int rw = GLYPH(i).bbx.width; + int xoff = 0; /* GLYPH(i).bbx.x_offset; */ + int yoff = 0; /* GLYPH(i).bbx.y_offset; */ + int j, k; + int top_pad = yoff; + int bot_pad = (char_height - rh) - top_pad; + int bytes_to_read = (GLYPH(i).bytes) / rh; + unsigned char *data = GLYPH(i).bitmap; + + if (bytes_to_read <= 0) { + fprintf(stderr, "No bytes per row: bytes=%d, w=%d, h=%d\n", + GLYPH(i).bytes, rw, rh); + exit(1); + } + + if (bot_pad < 0) { + fprintf(stderr, "Bottom padding <0: height=%d/%d, top_pad=%d\n", + rh, char_height, yoff); + exit(1); + } + + /* First, pad everything */ + for (j = 0; j < top_pad; j++) { + for (k = 0; k < rw; k++) + fprintf(out_file, "."); + fprintf(out_file, "\n"); + } + + /* Write char data */ + for (j = 0; j < rh; j++) { + unsigned int b = 0; + unsigned int oldb; + for (k = 0; k < bytes_to_read; k++) { + int shift_offset = 8 * (bytes_to_read - 1 - k); + b |= (*data++ << shift_offset); + } + + oldb = b; + + for (k = 0; k < rw; k++) + fprintf(out_file, (oldb & (1 << ((bytes_per_row * 8) - 1 - k)))? "#":"."); + + fprintf(out_file, "\n"); + } + + /* Pad bottom */ + for (j = 0; j < bot_pad; j++) { + for (k = 0; k < rw; k++) + fprintf(out_file, "."); + fprintf(out_file, "\n"); + } + fprintf(out_file,"----\t 0x%02x ('%c') */\n", i, ((i>31)&&(i<0x7f))?i:'.'); + } + fprintf(out_file, "\n\n"); + + fclose(out_file); +} + + +int +main(int argc, char **argv) +{ + FILE *f = NULL; + bdf_setup(); + + if (argc < 3) { + fprintf(stderr, "Usage: %s <font.bdf> <outfile.font>\n ", argv[0]); + exit(1); + } + + f = fopen(argv[1], "r"); + if (f) + convert_font(f, fopen(argv[2], "w")); + else + perror(argv[1]); + + bdf_cleanup(); +} |