diff options
Diffstat (limited to 'tqtinterface/qt4/src/3rdparty/opentype/ftglue.c')
| -rw-r--r-- | tqtinterface/qt4/src/3rdparty/opentype/ftglue.c | 349 |
1 files changed, 0 insertions, 349 deletions
diff --git a/tqtinterface/qt4/src/3rdparty/opentype/ftglue.c b/tqtinterface/qt4/src/3rdparty/opentype/ftglue.c deleted file mode 100644 index c9efb62..0000000 --- a/tqtinterface/qt4/src/3rdparty/opentype/ftglue.c +++ /dev/null @@ -1,349 +0,0 @@ -/* 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 TQALLOC /* just in case */ -#define TQALLOC(ptr,size) ( (ptr) = ftglue_qalloc( memory, (size), &error ), error != 0 ) - - -FTGLUE_APIDEF( FT_Pointer ) -ftglue_alloc( 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; - else - memset( (char*)block, 0, (size_t)size ); - } - - *perror = error; - return block; -} - - -FTGLUE_APIDEF( FT_Pointer ) -ftglue_realloc( FT_Memory memory, - FT_Pointer block, - FT_ULong old_size, - FT_ULong new_size, - FT_Error *perror ) -{ - FT_Pointer block2 = NULL; - FT_Error error = 0; - - if ( old_size == 0 || block == NULL ) - { - block2 = ftglue_alloc( memory, new_size, &error ); - } - else if ( new_size == 0 ) - { - ftglue_free( memory, block ); - } - else - { - block2 = memory->realloc( memory, old_size, new_size, block ); - if ( block2 == NULL ) - error = FT_Err_Out_Of_Memory; - else if ( new_size > old_size ) - memset( (char*)block2 + old_size, 0, (size_t)(new_size - old_size) ); - } - - if ( !error ) - block = block2; - - *perror = error; - return block; -} - - -FTGLUE_APIDEF( 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 > (FT_Long)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 ( TQALLOC( 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_Byte ) -ftglue_stream_get_byte( FT_Stream stream ) -{ - FT_Byte result = 0; - - if ( stream->cursor < stream->limit ) - result = *stream->cursor++; - - return result; -} - - -FTGLUE_APIDEF( FT_Short ) -ftglue_stream_get_short( FT_Stream stream ) -{ - FT_Byte* p; - FT_Short result = 0; - - p = stream->cursor; - if ( p + 2 <= stream->limit ) - { - result = (FT_Short)((p[0] << 8) | p[1]); - stream->cursor = p+2; - } - return result; -} - - -FTGLUE_APIDEF( FT_Long ) -ftglue_stream_get_long( FT_Stream stream ) -{ - FT_Byte* p; - FT_Long result = 0; - - p = stream->cursor; - if ( p + 4 <= stream->limit ) - { - result = (FT_Long)(((FT_Long)p[0] << 24) | - ((FT_Long)p[1] << 16) | - ((FT_Long)p[2] << 8) | - p[3] ); - stream->cursor = p+4; - } - return result; -} - - -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; - FT_UInt count, nn; - - if ( face->num_faces > 1 ) - { - /* deal with TrueType collections */ - FT_ULong offset; - - 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, offset+start ); - goto FoundIt; - } - } - error = TT_Err_Table_Missing; - - FoundIt: - FORGET_Frame(); - } - -Exit: - LOG(( "TrueType error=%d\n", error )); - - return error; -} - -#undef TQALLOC |