1 files changed, 64 insertions, 0 deletions
diff --git a/fontembed/sfnt.h b/fontembed/sfnt.h
new file mode 100644
index 000000000..1783098d2
--- /dev/null
+++ b/fontembed/sfnt.h
@@ -0,0 +1,64 @@
+#ifndef _SFNT_H
+#define _SFNT_H
+
+#include <stdio.h>
+
+typedef struct {
+  unsigned int tag;
+  unsigned int checkSum;
+  unsigned int offset;
+  unsigned int length;
+} OTF_DIRENT;
+
+typedef struct {
+  FILE *f;
+  unsigned int numTTC,useTTC;
+  unsigned int version;
+
+  unsigned short numTables;
+  OTF_DIRENT *tables;
+
+  int flags;
+  unsigned short unitsPerEm;
+  unsigned short indexToLocFormat; // 0=short, 1=long
+  unsigned short numGlyphs;
+
+  // optionally loaded data
+  unsigned int *glyphOffsets;
+  unsigned short numberOfHMetrics;
+  char *hmtx,*name,*cmap;
+  const char *unimap; // ptr to (3,1) or (3,0) cmap start
+
+  // single glyf buffer, allocated large enough by otf_load_more()
+  char *gly;
+  OTF_DIRENT *glyfTable;
+
+} OTF_FILE;
+#define OTF_F_FMT_CFF      0x10000
+#define OTF_F_DO_CHECKSUM  0x40000
+
+// to load TTC collections: append e.g. "/3" for the third font in the file.
+OTF_FILE *otf_load(const char *file);
+void otf_close(OTF_FILE *otf);
+
+#define OTF_TAG(a,b,c,d)  (unsigned int)( ((a)<<24)|((b)<<16)|((c)<<8)|(d) )
+#define OTF_UNTAG(a)  (((unsigned int)(a)>>24)&0xff),(((unsigned int)(a)>>16)&0xff),\
+                      (((unsigned int)(a)>>8)&0xff),(((unsigned int)(a))&0xff)
+
+char *otf_get_table(OTF_FILE *otf,unsigned int tag,int *ret_len);
+
+int otf_get_width(OTF_FILE *otf,unsigned short gid);
+const char *otf_get_name(OTF_FILE *otf,int platformID,int encodingID,int languageID,int nameID,int *ret_len);
+int otf_get_glyph(OTF_FILE *otf,unsigned short gid);
+unsigned short otf_from_unicode(OTF_FILE *otf,int unicode);
+
+#include "bitset.h"
+#include "iofn.h"
+
+// TODO?! allow glyphs==NULL for non-subsetting table reduction?
+int otf_subset(OTF_FILE *otf,BITSET glyphs,OUTPUT_FN output,void *context);
+int otf_ttc_extract(OTF_FILE *otf,OUTPUT_FN output,void *context);
+int otf_subset_cff(OTF_FILE *otf,BITSET glyphs,OUTPUT_FN output,void *context);
+int otf_cff_extract(OTF_FILE *otf,OUTPUT_FN output,void *context);
+
+#endif