freetype/cmd/print-glyph-points/main.c

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/*
gcc main.c -I/usr/include/freetype2 -lfreetype && ./a.out
*/
#include <stdio.h>
#include <ft2build.h>
#include FT_FREETYPE_H
static int font_size = 12;
static int no_hinting = 0;
int main(int argc, char** argv) {
FT_Error error;
FT_Library library;
FT_Face face;
FT_Outline* o;
int i, j;
error = FT_Init_FreeType(&library);
if (error) {
printf("FT_Init_FreeType: error #%d\n", error);
return 1;
}
error = FT_New_Face(library, "../../luxi-fonts/luxisr.ttf", 0, &face);
if (error) {
printf("FT_New_Face: error #%d\n", error);
return 1;
}
error = FT_Set_Char_Size(face, 0, font_size*64, 0, 0);
if (error) {
printf("FT_Set_Char_Size: error #%d\n", error);
return 1;
}
for (i = 0; i < face->num_glyphs; i++) {
error = FT_Load_Glyph(face, i, no_hinting ? FT_LOAD_NO_HINTING : FT_LOAD_DEFAULT);
if (error) {
printf("FT_Load_Glyph: glyph %d: error #%d\n", i, error);
return 1;
}
if (face->glyph->format != FT_GLYPH_FORMAT_OUTLINE) {
printf("glyph format for glyph %d is not FT_GLYPH_FORMAT_OUTLINE\n", i);
return 1;
}
o = &face->glyph->outline;
for (j = 0; j < o->n_points; j++) {
if (j != 0) {
printf(", ");
}
printf("%ld %ld %d", o->points[j].x, o->points[j].y, o->tags[j] & 0x01);
}
printf("\n");
}
}