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-rw-r--r--fontconfig/src/ftglue.c522
1 files changed, 261 insertions, 261 deletions
diff --git a/fontconfig/src/ftglue.c b/fontconfig/src/ftglue.c
index d5af810b4..91cb532b9 100644
--- a/fontconfig/src/ftglue.c
+++ b/fontconfig/src/ftglue.c
@@ -1,261 +1,261 @@
-/* ftglue.c: Glue code for compiling the OpenType code from
- * FreeType 1 using only the public API of FreeType 2
- *
- * By David Turner, The FreeType Project (www.freetype.org)
- *
- * This code is explicitely put in the public domain
- *
- * See ftglue.h for more information.
- */
-
-#include "ftglue.h"
-
-#if 0
-#include <stdio.h>
-#define LOG(x) ftglue_log x
-
-static void
-ftglue_log( const char* format, ... )
-{
- va_list ap;
-
- va_start( ap, format );
- vfprintf( stderr, format, ap );
- va_end( ap );
-}
-
-#else
-#define LOG(x) do {} while (0)
-#endif
-
-/* only used internally */
-static FT_Pointer
-ftglue_qalloc( FT_Memory memory,
- FT_ULong size,
- FT_Error *perror )
-{
- FT_Error error = 0;
- FT_Pointer block = NULL;
-
- if ( size > 0 )
- {
- block = memory->alloc( memory, size );
- if ( !block )
- error = FT_Err_Out_Of_Memory;
- }
-
- *perror = error;
- return block;
-}
-
-#undef QALLOC /* just in case */
-#define QALLOC(ptr,size) ( (ptr) = ftglue_qalloc( memory, (size), &error ), error != 0 )
-#define FREE(_ptr) \
- do { \
- if ( (_ptr) ) \
- { \
- ftglue_free( memory, _ptr ); \
- _ptr = NULL; \
- } \
- } while (0)
-
-
-static void
-ftglue_free( FT_Memory memory,
- FT_Pointer block )
-{
- if ( block )
- memory->free( memory, block );
-}
-
-FTGLUE_APIDEF( FT_Long )
-ftglue_stream_pos( FT_Stream stream )
-{
- LOG(( "ftglue:stream:pos() -> %ld\n", stream->pos ));
- return stream->pos;
-}
-
-
-FTGLUE_APIDEF( FT_Error )
-ftglue_stream_seek( FT_Stream stream,
- FT_Long pos )
-{
- FT_Error error = 0;
-
- stream->pos = pos;
- if ( stream->read )
- {
- if ( stream->read( stream, pos, 0, 0 ) )
- error = FT_Err_Invalid_Stream_Operation;
- }
- else if ( pos > stream->size )
- error = FT_Err_Invalid_Stream_Operation;
-
- LOG(( "ftglue:stream:seek(%ld) -> %d\n", pos, error ));
- return error;
-}
-
-
-FTGLUE_APIDEF( FT_Error )
-ftglue_stream_frame_enter( FT_Stream stream,
- FT_ULong count )
-{
- FT_Error error = FT_Err_Ok;
- FT_ULong read_bytes;
-
- if ( stream->read )
- {
- /* allocate the frame in memory */
- FT_Memory memory = stream->memory;
-
-
- if ( QALLOC( stream->base, count ) )
- goto Exit;
-
- /* read it */
- read_bytes = stream->read( stream, stream->pos,
- stream->base, count );
- if ( read_bytes < count )
- {
- FREE( stream->base );
- error = FT_Err_Invalid_Stream_Operation;
- }
- stream->cursor = stream->base;
- stream->limit = stream->cursor + count;
- stream->pos += read_bytes;
- }
- else
- {
- /* check current and new position */
- if ( stream->pos >= stream->size ||
- stream->pos + count > stream->size )
- {
- error = FT_Err_Invalid_Stream_Operation;
- goto Exit;
- }
-
- /* set cursor */
- stream->cursor = stream->base + stream->pos;
- stream->limit = stream->cursor + count;
- stream->pos += count;
- }
-
-Exit:
- LOG(( "ftglue:stream:frame_enter(%ld) -> %d\n", count, error ));
- return error;
-}
-
-
-FTGLUE_APIDEF( void )
-ftglue_stream_frame_exit( FT_Stream stream )
-{
- if ( stream->read )
- {
- FT_Memory memory = stream->memory;
-
- FREE( stream->base );
- }
- stream->cursor = 0;
- stream->limit = 0;
-
- LOG(( "ftglue:stream:frame_exit()\n" ));
-}
-
-
-FTGLUE_APIDEF( FT_Error )
-ftglue_face_goto_table( FT_Face face,
- FT_ULong the_tag,
- FT_Stream stream )
-{
- FT_Error error;
-
- LOG(( "ftglue_face_goto_table( %p, %c%c%c%c, %p )\n",
- face,
- (int)((the_tag >> 24) & 0xFF),
- (int)((the_tag >> 16) & 0xFF),
- (int)((the_tag >> 8) & 0xFF),
- (int)(the_tag & 0xFF),
- stream ));
-
- if ( !FT_IS_SFNT(face) )
- {
- LOG(( "not a SFNT face !!\n" ));
- error = FT_Err_Invalid_Face_Handle;
- }
- else
- {
- /* parse the directory table directly, without using
- * FreeType's built-in data structures
- */
- FT_ULong offset = 0, sig;
- FT_UInt count, nn;
-
- if ( FILE_Seek( 0 ) || ACCESS_Frame( 4 ) )
- goto Exit;
-
- sig = GET_Tag4();
-
- FORGET_Frame();
-
- if ( sig == FT_MAKE_TAG( 't', 't', 'c', 'f' ) )
- {
- /* deal with TrueType collections */
-
- LOG(( ">> This is a TrueType Collection\n" ));
-
- if ( FILE_Seek( 12 + face->face_index*4 ) ||
- ACCESS_Frame( 4 ) )
- goto Exit;
-
- offset = GET_ULong();
-
- FORGET_Frame();
- }
-
- LOG(( "TrueType offset = %ld\n", offset ));
-
- if ( FILE_Seek( offset+4 ) ||
- ACCESS_Frame( 2 ) )
- goto Exit;
-
- count = GET_UShort();
-
- FORGET_Frame();
-
- if ( FILE_Seek( offset+12 ) ||
- ACCESS_Frame( count*16 ) )
- goto Exit;
-
- for ( nn = 0; nn < count; nn++ )
- {
- FT_ULong tag = GET_ULong();
- FT_ULong checksum = GET_ULong();
- FT_ULong start = GET_ULong();
- FT_ULong size = GET_ULong();
-
- FT_UNUSED(checksum);
- FT_UNUSED(size);
-
- if ( tag == the_tag )
- {
- LOG(( "TrueType table (start: %ld) (size: %ld)\n", start, size ));
- error = ftglue_stream_seek( stream, start );
- goto FoundIt;
- }
- }
- error = FT_Err_Table_Missing;
-
- FoundIt:
- FORGET_Frame();
- }
-
-Exit:
- LOG(( "TrueType error=%d\n", error ));
-
- return error;
-}
-
-#undef QALLOC
-#define __ftglue__
-#include "fcaliastail.h"
-#undef __ftglue__
+/* ftglue.c: Glue code for compiling the OpenType code from
+ * FreeType 1 using only the public API of FreeType 2
+ *
+ * By David Turner, The FreeType Project (www.freetype.org)
+ *
+ * This code is explicitely put in the public domain
+ *
+ * See ftglue.h for more information.
+ */
+
+#include "ftglue.h"
+
+#if 0
+#include <stdio.h>
+#define LOG(x) ftglue_log x
+
+static void
+ftglue_log( const char* format, ... )
+{
+ va_list ap;
+
+ va_start( ap, format );
+ vfprintf( stderr, format, ap );
+ va_end( ap );
+}
+
+#else
+#define LOG(x) do {} while (0)
+#endif
+
+/* only used internally */
+static FT_Pointer
+ftglue_qalloc( FT_Memory memory,
+ FT_ULong size,
+ FT_Error *perror )
+{
+ FT_Error error = 0;
+ FT_Pointer block = NULL;
+
+ if ( size > 0 )
+ {
+ block = memory->alloc( memory, size );
+ if ( !block )
+ error = FT_Err_Out_Of_Memory;
+ }
+
+ *perror = error;
+ return block;
+}
+
+#undef QALLOC /* just in case */
+#define QALLOC(ptr,size) ( (ptr) = ftglue_qalloc( memory, (size), &error ), error != 0 )
+#define FREE(_ptr) \
+ do { \
+ if ( (_ptr) ) \
+ { \
+ ftglue_free( memory, _ptr ); \
+ _ptr = NULL; \
+ } \
+ } while (0)
+
+
+static void
+ftglue_free( FT_Memory memory,
+ FT_Pointer block )
+{
+ if ( block )
+ memory->free( memory, block );
+}
+
+FTGLUE_APIDEF( FT_Long )
+ftglue_stream_pos( FT_Stream stream )
+{
+ LOG(( "ftglue:stream:pos() -> %ld\n", stream->pos ));
+ return stream->pos;
+}
+
+
+FTGLUE_APIDEF( FT_Error )
+ftglue_stream_seek( FT_Stream stream,
+ FT_Long pos )
+{
+ FT_Error error = 0;
+
+ stream->pos = pos;
+ if ( stream->read )
+ {
+ if ( stream->read( stream, pos, 0, 0 ) )
+ error = FT_Err_Invalid_Stream_Operation;
+ }
+ else if ( pos > stream->size )
+ error = FT_Err_Invalid_Stream_Operation;
+
+ LOG(( "ftglue:stream:seek(%ld) -> %d\n", pos, error ));
+ return error;
+}
+
+
+FTGLUE_APIDEF( FT_Error )
+ftglue_stream_frame_enter( FT_Stream stream,
+ FT_ULong count )
+{
+ FT_Error error = FT_Err_Ok;
+ FT_ULong read_bytes;
+
+ if ( stream->read )
+ {
+ /* allocate the frame in memory */
+ FT_Memory memory = stream->memory;
+
+
+ if ( QALLOC( stream->base, count ) )
+ goto Exit;
+
+ /* read it */
+ read_bytes = stream->read( stream, stream->pos,
+ stream->base, count );
+ if ( read_bytes < count )
+ {
+ FREE( stream->base );
+ error = FT_Err_Invalid_Stream_Operation;
+ }
+ stream->cursor = stream->base;
+ stream->limit = stream->cursor + count;
+ stream->pos += read_bytes;
+ }
+ else
+ {
+ /* check current and new position */
+ if ( stream->pos >= stream->size ||
+ stream->pos + count > stream->size )
+ {
+ error = FT_Err_Invalid_Stream_Operation;
+ goto Exit;
+ }
+
+ /* set cursor */
+ stream->cursor = stream->base + stream->pos;
+ stream->limit = stream->cursor + count;
+ stream->pos += count;
+ }
+
+Exit:
+ LOG(( "ftglue:stream:frame_enter(%ld) -> %d\n", count, error ));
+ return error;
+}
+
+
+FTGLUE_APIDEF( void )
+ftglue_stream_frame_exit( FT_Stream stream )
+{
+ if ( stream->read )
+ {
+ FT_Memory memory = stream->memory;
+
+ FREE( stream->base );
+ }
+ stream->cursor = 0;
+ stream->limit = 0;
+
+ LOG(( "ftglue:stream:frame_exit()\n" ));
+}
+
+
+FTGLUE_APIDEF( FT_Error )
+ftglue_face_goto_table( FT_Face face,
+ FT_ULong the_tag,
+ FT_Stream stream )
+{
+ FT_Error error;
+
+ LOG(( "ftglue_face_goto_table( %p, %c%c%c%c, %p )\n",
+ face,
+ (int)((the_tag >> 24) & 0xFF),
+ (int)((the_tag >> 16) & 0xFF),
+ (int)((the_tag >> 8) & 0xFF),
+ (int)(the_tag & 0xFF),
+ stream ));
+
+ if ( !FT_IS_SFNT(face) )
+ {
+ LOG(( "not a SFNT face !!\n" ));
+ error = FT_Err_Invalid_Face_Handle;
+ }
+ else
+ {
+ /* parse the directory table directly, without using
+ * FreeType's built-in data structures
+ */
+ FT_ULong offset = 0, sig;
+ FT_UInt count, nn;
+
+ if ( FILE_Seek( 0 ) || ACCESS_Frame( 4 ) )
+ goto Exit;
+
+ sig = GET_Tag4();
+
+ FORGET_Frame();
+
+ if ( sig == FT_MAKE_TAG( 't', 't', 'c', 'f' ) )
+ {
+ /* deal with TrueType collections */
+
+ LOG(( ">> This is a TrueType Collection\n" ));
+
+ if ( FILE_Seek( 12 + face->face_index*4 ) ||
+ ACCESS_Frame( 4 ) )
+ goto Exit;
+
+ offset = GET_ULong();
+
+ FORGET_Frame();
+ }
+
+ LOG(( "TrueType offset = %ld\n", offset ));
+
+ if ( FILE_Seek( offset+4 ) ||
+ ACCESS_Frame( 2 ) )
+ goto Exit;
+
+ count = GET_UShort();
+
+ FORGET_Frame();
+
+ if ( FILE_Seek( offset+12 ) ||
+ ACCESS_Frame( count*16 ) )
+ goto Exit;
+
+ for ( nn = 0; nn < count; nn++ )
+ {
+ FT_ULong tag = GET_ULong();
+ FT_ULong checksum = GET_ULong();
+ FT_ULong start = GET_ULong();
+ FT_ULong size = GET_ULong();
+
+ FT_UNUSED(checksum);
+ FT_UNUSED(size);
+
+ if ( tag == the_tag )
+ {
+ LOG(( "TrueType table (start: %ld) (size: %ld)\n", start, size ));
+ error = ftglue_stream_seek( stream, start );
+ goto FoundIt;
+ }
+ }
+ error = FT_Err_Table_Missing;
+
+ FoundIt:
+ FORGET_Frame();
+ }
+
+Exit:
+ LOG(( "TrueType error=%d\n", error ));
+
+ return error;
+}
+
+#undef QALLOC
+#define __ftglue__
+#include "fcaliastail.h"
+#undef __ftglue__
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