Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 123 insertions, 0 deletions

diff --git a/modules/freetype2/src/pfr/pfrload.h b/modules/freetype2/src/pfr/pfrload.h
new file mode 100644
index 0000000000..d7b20a4572
--- /dev/null
+++ b/modules/freetype2/src/pfr/pfrload.h
@@ -0,0 +1,123 @@
+/****************************************************************************
+ *
+ * pfrload.h
+ *
+ *   FreeType PFR loader (specification).
+ *
+ * Copyright (C) 2002-2023 by
+ * David Turner, Robert Wilhelm, and Werner Lemberg.
+ *
+ * This file is part of the FreeType project, and may only be used,
+ * modified, and distributed under the terms of the FreeType project
+ * license, LICENSE.TXT.  By continuing to use, modify, or distribute
+ * this file you indicate that you have read the license and
+ * understand and accept it fully.
+ *
+ */
+
+
+#ifndef PFRLOAD_H_
+#define PFRLOAD_H_
+
+#include "pfrobjs.h"
+#include <freetype/internal/ftstream.h>
+
+
+FT_BEGIN_HEADER
+
+  /* some size checks should be always done (mainly to prevent */
+  /* excessive allocation for malformed data), ...             */
+#define PFR_CHECK_SIZE( x )  do                       \
+                             {                        \
+                               if ( p + (x) > limit ) \
+                                 goto Too_Short;      \
+                             } while ( 0 )
+
+  /* ... and some only if intensive checking is explicitly requested */
+#ifdef PFR_CONFIG_NO_CHECKS
+#define PFR_CHECK( x )  do { } while ( 0 )
+#else
+#define PFR_CHECK  PFR_CHECK_SIZE
+#endif
+
+#define PFR_NEXT_BYTE( p )    FT_NEXT_BYTE( p )
+#define PFR_NEXT_INT8( p )    FT_NEXT_CHAR( p )
+#define PFR_NEXT_SHORT( p )   FT_NEXT_SHORT( p )
+#define PFR_NEXT_USHORT( p )  FT_NEXT_USHORT( p )
+#define PFR_NEXT_LONG( p )    FT_NEXT_OFF3( p )
+#define PFR_NEXT_ULONG( p )   FT_NEXT_UOFF3( p )
+
+
+ /* handling extra items */
+
+  typedef FT_Error
+  (*PFR_ExtraItem_ParseFunc)( FT_Byte*    p,
+                              FT_Byte*    limit,
+                              FT_Pointer  data );
+
+  typedef struct  PFR_ExtraItemRec_
+  {
+    FT_UInt                  type;
+    PFR_ExtraItem_ParseFunc  parser;
+
+  } PFR_ExtraItemRec;
+
+  typedef const struct PFR_ExtraItemRec_*  PFR_ExtraItem;
+
+
+  FT_LOCAL( FT_Error )
+  pfr_extra_items_skip( FT_Byte*  *pp,
+                        FT_Byte*  limit );
+
+  FT_LOCAL( FT_Error )
+  pfr_extra_items_parse( FT_Byte*      *pp,
+                         FT_Byte*       limit,
+                         PFR_ExtraItem  item_list,
+                         FT_Pointer     item_data );
+
+
+  /* load a PFR header */
+  FT_LOCAL( FT_Error )
+  pfr_header_load( PFR_Header  header,
+                   FT_Stream   stream );
+
+  /* check a PFR header */
+  FT_LOCAL( FT_Bool )
+  pfr_header_check( PFR_Header  header );
+
+
+  /* return number of logical fonts in this file */
+  FT_LOCAL( FT_Error )
+  pfr_log_font_count( FT_Stream   stream,
+                      FT_UInt32   log_section_offset,
+                      FT_Long    *acount );
+
+  /* load a pfr logical font entry */
+  FT_LOCAL( FT_Error )
+  pfr_log_font_load( PFR_LogFont  log_font,
+                     FT_Stream    stream,
+                     FT_UInt      face_index,
+                     FT_UInt32    section_offset,
+                     FT_Bool      size_increment );
+
+
+  /* load a physical font entry */
+  FT_LOCAL( FT_Error )
+  pfr_phy_font_load( PFR_PhyFont  phy_font,
+                     FT_Stream    stream,
+                     FT_UInt32    offset,
+                     FT_UInt32    size );
+
+  /* finalize a physical font */
+  FT_LOCAL( void )
+  pfr_phy_font_done( PFR_PhyFont  phy_font,
+                     FT_Memory    memory );
+
+  /* */
+
+FT_END_HEADER
+
+#endif /* PFRLOAD_H_ */
+
+
+/* END */