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/* ttf2font.c - Copyright (C) 2001-2002 Jacob Kroon, see COPYING for details */
#include <stdlib.h>
#include <stdio.h>
#include <ft2build.h>
#include FT_FREETYPE_H
/* defines */
#define START_CHAR ' '
#define END_CHAR 'z'
void errorc(char *msg)
{
fprintf(stderr, "%s\n", msg);
exit(1);
}
void errorcc(char *msg1, char *msg2)
{
fprintf(stderr, "%s%s\n", msg1, msg2);
exit(1);
}
void write_glyph(FILE * file, FT_GlyphSlot glyph)
{
short int x, y;
short int xsize, ysize;
short int xpos, ypos, advance;
FT_Bitmap bitmap = glyph->bitmap;
xsize = bitmap.width;
ysize = bitmap.rows;
xpos = glyph->bitmap_left;
ypos = glyph->bitmap_top;
advance = glyph->advance.x >> 6;
fwrite(&xsize, sizeof(xsize), 1, file);
fwrite(&ysize, sizeof(ysize), 1, file);
fwrite(&xpos, sizeof(xpos), 1, file);
fwrite(&ypos, sizeof(ypos), 1, file);
fwrite(&advance, sizeof(advance), 1, file);
for (y = 0; y < bitmap.rows; y++)
for (x = 0; x < bitmap.width; x++)
fwrite(&bitmap.buffer[y * bitmap.pitch + x], 1, 1, file);
}
int main(int argc, char **argv)
{
FT_Library ftl;
FT_Face face;
FT_UInt xsize = 0;
FT_UInt ysize = 0;
unsigned char ch;
FILE *out = NULL;
if (argc != 5)
errorc("Usage: ttf2font <in> <out> <x-size> <y_size>");
if (sscanf(argv[3], "%d", &xsize) != 1
|| sscanf(argv[4], "%d", &ysize) != 1)
errorc("Wrong format of font size");
if (FT_Init_FreeType(&ftl))
errorc("Could't initialize FreeType2 library");
if (FT_New_Face(ftl, argv[1], 0, &face))
errorcc("Couldn't open font ", argv[1]);
if (FT_Set_Charmap(face, face->charmaps[0]))
errorc("Error setting first charmap");
if (FT_Set_Pixel_Sizes(face, xsize, ysize))
errorc("Error setting font size");
out = fopen(argv[2], "wb");
for (ch = START_CHAR; ch <= END_CHAR; ch++) {
if (FT_Load_Char(face, ch, FT_LOAD_RENDER))
errorc("Error rendering glyph");
fwrite(&ch, 1, 1, out);
write_glyph(out, face->glyph);
}
fclose(out);
return 0;
}
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