1 files changed, 103 insertions, 0 deletions

diff --git a/glyphtest/compare-new-to-old.c b/glyphtest/compare-new-to-old.c
new file mode 100644
index 000000000..52942a7f4
--- /dev/null
+++ b/glyphtest/compare-new-to-old.c
@@ -0,0 +1,103 @@
+#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;
+
+}
\ No newline at end of file