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#include "bitmap.h"
int main(int argc, char const * argv[])
{
FT_Library library;
FT_Face face;
FT_GlyphSlot slot;
FT_Bitmap * bitmap;
FT_UInt32 size;
const char * filename;
int i, j;
char mmhash[40];
unsigned int lines;
int line_len = 40;
char ** hashes;
char fname[20];
FILE * fp = fopen("old-hashes.txt", "r");
filename = argv[1];
size = atoi(argv[2]);
if (FT_Init_FreeType(&library))
{
printf("Error: library init.\n");
}
if (FT_New_Face(library, filename, 0, &face))
{
printf("Error: loading face.\n");
}
lines = face->num_glyphs;
hashes = (char **)malloc(sizeof(char*)*lines);
for (i = 0; i < lines; i++)
{
hashes[i] = malloc(line_len);
if (hashes[i]==NULL)
{
fprintf(stderr,"Out of memory (3).\n");
exit(4);
}
if (fgets(hashes[i],line_len-1,fp)==NULL)
break;
/* Get rid of CR or LF at end of line */
for (j=strlen(hashes[i])-1;j>=0 && (hashes[i][j]=='\n' || hashes[i][j]=='\r');j--)
;
hashes[i][j+1]='\0';
}
fclose(fp);
if (FT_Set_Char_Size(face, size * 64, 0, 96, 0))
{
printf("Error: setting char size.\n");
}
slot = face->glyph;
for (i = 0; i < face->num_glyphs; ++i)
{
if (FT_Load_Glyph(face, i, FT_LOAD_DEFAULT))
{
printf("Error: loading glyph.\n");
}
if (FT_Render_Glyph(slot, FT_RENDER_MODE_NORMAL))
{
printf("Error: rendering glyph.\n");
}
bitmap = &slot->bitmap;
HASH_128 * murmur = (HASH_128 *)malloc(sizeof(HASH_128));
murmur = Generate_Hash_x64_128(bitmap,murmur);
sprintf(mmhash, "%08x%08x%08x%08x", murmur->hash[0], murmur->hash[1], murmur->hash[2], murmur->hash[3]);
printf("%s\n", hashes[i]);
printf("%s\n", mmhash);
if (strcmp(mmhash, hashes[i]) == 0)
{
if (bitmap->width != 0 && bitmap->rows !=0)
{
printf("Glyph %d differs.\n", i);
sprintf(fname, "%d-new.bmp", i);
Write_Bitmap_Header(bitmap, fname);
Write_Bitmap_Data_GRAY(bitmap, fname);
}
}
}
FT_Done_Face(face);
FT_Done_FreeType(library);
return 0;
}
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