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Diffstat (limited to 'tools/crtfont/crtfont.c')
| -rw-r--r-- | tools/crtfont/crtfont.c | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/tools/crtfont/crtfont.c b/tools/crtfont/crtfont.c new file mode 100644 index 0000000..97e57fe --- /dev/null +++ b/tools/crtfont/crtfont.c @@ -0,0 +1,305 @@ +/* + * GraphLCD tool crtfont + * + * crtfont.c - a tool to create *.fnt files for use with the GraphLCD + * graphics library + * + * based on graphlcd plugin 0.1.1 for the Video Disc Recorder + * (c) 2001-2004 Carsten Siebholz <c.siebholz AT t-online.de> + * + * This file is released under the GNU General Public License. Refer + * to the COPYING file distributed with this package. + * + * (c) 2004 Andreas Regel <andreas.regel AT powarman.de> + */ + +#include <getopt.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <glcdgraphics/bitmap.h> +#include <glcdgraphics/font.h> + +static const char *prgname = "crtfont"; +static const char *version = "0.1.6"; + +const int kMaxLineLength = 1024; + +enum ePicFormat +{ + undefined, + PBM +}; + + +void usage(void); + +char * trimleft(char * str) +{ + char * s = str; + while (*s == ' ' || *s == '\t') + s++; + strcpy(str, s); + return str; +} + +char * trimright(char * str) +{ + char * s = str + strlen(str) - 1; + while (s >= str && (*s == ' ' || *s == '\t' || *s == '\n' || *s == '\r')) + *s-- = 0; + return str; +} + +char * trim(char * str) +{ + return trimleft(trimright(str)); +} + + +int main(int argc, char *argv[]) +{ + ePicFormat picFormat = undefined; + GLCD::cFont font; + char * picName = NULL; + char * descName = NULL; + char * fontName = NULL; + FILE * descFile; + bool error = false; + GLCD::cBitmap * bitmap = NULL; + GLCD::cBitmap * tmpBitmap = NULL; + GLCD::cBitmap * charBitmap = NULL; + char line[kMaxLineLength]; + int l = 0; + char * token; + int startOffset, endOffset; + int spaceWidth; + int version; + char * ptr; + + static struct option long_options[] = + { + { "format", required_argument, NULL, 'f'}, + { "bmpfile", required_argument, NULL, 'b'}, + { "descfile", required_argument, NULL, 'd'}, + { "outfile", required_argument, NULL, 'o'}, + { NULL} + }; + + int c, option_index = 0; + while ((c = getopt_long(argc, argv, "f:b:d:o:", long_options, &option_index)) != -1) + { + switch (c) + { + case 'f': + if (strcasecmp(optarg, "PBM") == 0) + picFormat = PBM; + break; + + case 'b': + picName = strdup(optarg); + break; + + case 'd': + descName = strdup(optarg); + break; + + case 'o': + fontName = strdup(optarg); + break; + + default: + return 1; + } + } + + if (picFormat == undefined) + { + fprintf(stderr, "ERROR: You have to specify the format (-f <format>)\n"); + error = true; + } + if (!picName) + { + fprintf(stderr, "ERROR: You have to specify the bmpfile (-b bmpfile)\n"); + error = true; + } + if (!descName) + { + fprintf(stderr, "ERROR: You have to specify the descfile (-d descfile)\n"); + error = true; + } + if (!fontName) + { + fprintf(stderr, "ERROR: You have to specify the outfile (-o outfile)\n"); + error = true; + } + + if (error) + { + usage(); + return 1; + } + + descFile = fopen(descName,"r"); + if (!descFile) + { + fprintf(stderr, "Cannot open file: %s\n",descName); + return 2; + } + + // Load Picture + switch (picFormat) + { + case PBM: + bitmap = new GLCD::cBitmap(0, 0); + bitmap->LoadPBM(picName); + if (!bitmap) + { + fprintf(stderr, "Cannot open file: %s\n",picName); + return 2; + } + break; + + default: + return 2; + } + + if (!bitmap) + return 3; + + spaceWidth = 0; + + version = 0; + fgets(line, sizeof(line), descFile); + trim(line); + if (strstr(line, "version") != NULL) + { + ptr = strstr(line, ":"); + version = atoi(ptr + 1); + } + if (version != 1) + { + fprintf(stderr, "Wrong description file format version (found %d, expected 1)!\n", version); + return 2; + } + while (!feof(descFile)) + { + fgets(line, sizeof(line), descFile); + trim(line); + if (strstr(line, "fontheight") != NULL) + { + ptr = strstr(line, ":"); + font.SetTotalHeight(atoi(ptr + 1)); + } + else if (strstr(line, "fontascent") != NULL) + { + ptr = strstr(line, ":"); + font.SetTotalAscent(atoi(ptr + 1)); + } + else if (strstr(line, "lineheight") != NULL) + { + ptr = strstr(line, ":"); + font.SetLineHeight(atoi(ptr + 1)); + } + else if (strstr(line, "spacebetween") != NULL) + { + ptr = strstr(line, ":"); + font.SetSpaceBetween(atoi(ptr + 1)); + } + else if (strstr(line, "spacewidth") != NULL) + { + ptr = strstr(line, ":"); + spaceWidth = atoi(ptr + 1); + } + else + { + token = strtok(line, " "); + if (token) + { + startOffset = atoi(token); + + // get character + token = strtok(NULL, " "); + while (token) + { + uint16_t character; + if (strlen(token) == 1) + character = (uint8_t) token[0]; + else + character = atoi(token); + + // get EndOffset + token = strtok(NULL, " "); + endOffset = atoi(token); + tmpBitmap = bitmap->SubBitmap(startOffset, l * font.TotalHeight(), endOffset - 1, (l + 1) * font.TotalHeight() - 1); + if (spaceWidth > 0) + { + // calculate width of this character + int x; + int y; + int left = 255; + int right = 0; + for (y = 0; y < tmpBitmap->Height(); y++) + { + for (x = 0; x < tmpBitmap->Width(); x++) + { + if (tmpBitmap->GetPixel(x, y)) + break; + } + if (x < tmpBitmap->Width() && x < left) + left = x; + for (x = tmpBitmap->Width() - 1; x >= 0; x--) + { + if (tmpBitmap->GetPixel(x, y)) + break; + } + if (x >= 0 && x > right) + right = x; + } + if (left > right) + { + left = 0; + right = spaceWidth - 1; + } + charBitmap = tmpBitmap->SubBitmap(left, 0, right, font.TotalHeight() - 1); + font.SetCharacter(character, charBitmap); + delete tmpBitmap; + } + else + { + font.SetCharacter(character, tmpBitmap); + } + startOffset = endOffset; + + // get next character + token = strtok(NULL, " "); + } + } + l++; + } + } + fclose(descFile); + delete bitmap; + + if (font.SaveFNT(fontName)) + fprintf(stdout,"Font '%s' created successfully\n", fontName); + + return 0; +} + +void usage(void) +{ + fprintf(stdout, "\n"); + fprintf(stdout, "%s v%s\n", prgname, version); + fprintf(stdout, "%s is a tool to create *.fnt files that are used by the\n", prgname); + fprintf(stdout, " graphlcd plugin for VDR.\n\n"); + fprintf(stdout, " Usage: %s -f <format> -b bmpfile -d descfile -o outfile\n\n", prgname); + fprintf(stdout, " -f --format specifies the format of the bitmap. Possible values are:\n"); + fprintf(stdout, " PBM : file is an binary PBM file\n" ); + fprintf(stdout, " -b --bmpfile specifies the name of the bitmap file (*.pbm)\n"); + fprintf(stdout, " -d --descfile specifies the name of the description file (*.desc)\n"); + fprintf(stdout, " -o --outfile specifies the name of the output file (*.fnt)\n"); + fprintf(stdout, "\n" ); + fprintf(stdout, " example: %s -f PBM -b f12.pbm -d f12.desc -o f12.fnt\n", prgname); +} |