C++ FT_Stream类代码示例

本文整理汇总了C++中FT_Stream类的典型用法代码示例。如果您正苦于以下问题：C++ FT_Stream类的具体用法？C++ FT_Stream怎么用？C++ FT_Stream使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了FT_Stream类的13个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: FT_Stream_TryRead

  FT_Stream_TryRead( FT_Stream  stream,
                     FT_Byte*   buffer,
                     FT_ULong   count )
  {
    FT_ULong  read_bytes = 0;


    if ( stream->pos >= stream->size )
      goto Exit;

    if ( stream->read )
      read_bytes = stream->read( stream, stream->pos, buffer, count );
    else
    {
      read_bytes = stream->size - stream->pos;
      if ( read_bytes > count )
        read_bytes = count;

      FT_MEM_COPY( buffer, stream->base + stream->pos, read_bytes );
    }

    stream->pos += read_bytes;

  Exit:
    return read_bytes;
  }

开发者ID:hamfirst，项目名称:StormBrewerEngine，代码行数:26，代码来源:ftstream.c

示例2: FT_Stream_ReadChar

  FT_Stream_ReadChar( FT_Stream  stream,
                      FT_Error*  error )
  {
    FT_Byte  result = 0;


    FT_ASSERT( stream );

    *error = FT_Err_Ok;

    if ( stream->read )
    {
      if ( stream->read( stream, stream->pos, &result, 1L ) != 1L )
        goto Fail;
    }
    else
    {
      if ( stream->pos < stream->size )
        result = stream->base[stream->pos];
      else
        goto Fail;
    }
    stream->pos++;

    return result;

  Fail:
    *error = FT_THROW( Invalid_Stream_Operation );
    FT_ERROR(( "FT_Stream_ReadChar:"
               " invalid i/o; pos = 0x%lx, size = 0x%lx\n",
               stream->pos, stream->size ));

    return 0;
  }

开发者ID:OpenTechEngine，项目名称:OpenTechBFG，代码行数:34，代码来源:ftstream.c

示例3: FT_Stream_Seek

  FT_Stream_Seek( FT_Stream  stream,
                  FT_ULong   pos )
  {
    FT_Error  error = FT_Err_Ok;


    if ( stream->read )
    {
      if ( stream->read( stream, pos, 0, 0 ) )
      {
        FT_ERROR(( "FT_Stream_Seek:"
                   " invalid i/o; pos = 0x%lx, size = 0x%lx\n",
                   pos, stream->size ));

        error = FT_THROW( Invalid_Stream_Operation );
      }
    }
    /* note that seeking to the first position after the file is valid */
    else if ( pos > stream->size )
    {
      FT_ERROR(( "FT_Stream_Seek:"
                 " invalid i/o; pos = 0x%lx, size = 0x%lx\n",
                 pos, stream->size ));

      error = FT_THROW( Invalid_Stream_Operation );
    }

    if ( !error )
      stream->pos = pos;

    return error;
  }

开发者ID:OpenTechEngine，项目名称:OpenTechBFG，代码行数:32，代码来源:ftstream.c

示例4: FT_Stream_Close

 FT_Stream_Close( FT_Stream  stream )
 {
   if ( stream && stream->close )
   {
     stream->close( stream );
     stream->close = NULL;
   }
 }

开发者ID:Miguel-J，项目名称:eneboo-core，代码行数:8，代码来源:ftstream.c

示例5: FT_Stream_EnterFrame

  FT_Stream_EnterFrame( FT_Stream  stream,
                        FT_ULong   count )
  {
    FT_Error  error = FT_Err_Ok;
    FT_ULong  read_bytes;


    /* check for nested frame access */
    FT_ASSERT( stream && stream->cursor == 0 );

    if ( stream->read )
    {
      /* allocate the frame in memory */
      FT_Memory  memory = stream->memory;


      if ( FT_QALLOC( stream->base, count ) )
        goto Exit;

      /* read it */
      read_bytes = stream->read( stream, stream->pos,
                                 stream->base, count );
      if ( read_bytes < count )
      {
        FT_ERROR(( "FT_Stream_EnterFrame:" ));
        FT_ERROR(( " invalid read; expected %lu bytes, got %lu\n",
                   count, read_bytes ));

        FT_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 )
      {
        FT_ERROR(( "FT_Stream_EnterFrame:" ));
        FT_ERROR(( " invalid i/o; pos = 0x%lx, count = %lu, size = 0x%lx\n",
                   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:
    return error;
  }

开发者ID:Miguel-J，项目名称:eneboo-core，代码行数:58，代码来源:ftstream.c

示例6: FT_New_Face_From_URI

/* load a typeface from a URI */
FT_Error
FT_New_Face_From_URI (FT_Library library,
		      const gchar* uri,
		      FT_Long face_index,
		      FT_Face *aface)
{
    FT_Open_Args args;
    FT_Stream stream;
    FT_Error error;

    stream = calloc (1, sizeof (*stream));

    if (stream == NULL)
	return FT_Err_Out_Of_Memory;

    error = vfs_stream_open (stream, uri);

    if (error != FT_Err_Ok) {
	free (stream);
	return error;
    }

    args.flags = FT_OPEN_STREAM;
    args.stream = stream;

    error = FT_Open_Face (library, &args, face_index, aface);

    if (error != FT_Err_Ok) {
	if (stream->close != NULL)
	    stream->close(stream);

	free (stream);
	return error;
    }

    /* so that freetype will free the stream */
    (*aface)->face_flags &= ~FT_FACE_FLAG_EXTERNAL_STREAM;

    return error;
}

开发者ID:kissthink，项目名称:deepin-utils，代码行数:41，代码来源:deepin_font_icon.c

示例7: ft_bzip2_file_fill_input

  static FT_Error
  ft_bzip2_file_fill_input( FT_BZip2File  zip )
  {
    bz_stream*  bzstream = &zip->bzstream;
    FT_Stream   stream    = zip->source;
    FT_ULong    size;


    if ( stream->read )
    {
      size = stream->read( stream, stream->pos, zip->input,
                           FT_BZIP2_BUFFER_SIZE );
      if ( size == 0 )
      {
        zip->limit = zip->cursor;
        return FT_THROW( Invalid_Stream_Operation );
      }
    }
    else
    {
      size = stream->size - stream->pos;
      if ( size > FT_BZIP2_BUFFER_SIZE )
        size = FT_BZIP2_BUFFER_SIZE;

      if ( size == 0 )
      {
        zip->limit = zip->cursor;
        return FT_THROW( Invalid_Stream_Operation );
      }

      FT_MEM_COPY( zip->input, stream->base + stream->pos, size );
    }
    stream->pos += size;

    bzstream->next_in  = (char*)zip->input;
    bzstream->avail_in = size;

    return FT_Err_Ok;
  }

开发者ID:RSATom，项目名称:Qt，代码行数:39，代码来源:ftbzip2.c

示例8: BASE_FUNC

BASE_FUNC(FT_Long)  FT_Read_LongLE(FT_Stream stream,
                                   FT_Error   *error)
{
    FT_Byte reads[4];
    FT_Byte  *p = 0;
    FT_Long result = 0;


    FT_Assert(stream);

    *error = FT_Err_Ok;

    if(stream->pos + 3 < stream->size)
    {
        if(stream->read)
        {
            if(stream->read(stream, stream->pos, reads, 4L) != 4L)
            {
                goto Fail;
            }

            p = reads;
        }
        else
        {
            p = stream->base + stream->pos;
        }

        if(p)
        {
            result = NEXT_LongLE(p);
        }
    }
    else
    {
        goto Fail;
    }

    stream->pos += 4;

    return result;

Fail:
    FT_ERROR(("FT_Read_Long:"));
    FT_ERROR((" invalid i/o; pos = 0x%lx, size = 0x%lx\n",
              stream->pos, stream->size));
    *error = FT_Err_Invalid_Stream_Operation;

    return 0;
}

开发者ID:Justasic，项目名称:RTCW-SP，代码行数:50，代码来源:ftstream.c

示例9: FT_Stream_ReadOffset

  FT_Stream_ReadOffset( FT_Stream  stream,
                        FT_Error*  error )
  {
    FT_Byte   reads[3];
    FT_Byte*  p = 0;
    FT_Long   result = 0;


    FT_ASSERT( stream );

    *error = FT_Err_Ok;

    if ( stream->pos + 2 < stream->size )
    {
      if ( stream->read )
      {
        if (stream->read( stream, stream->pos, reads, 3L ) != 3L )
          goto Fail;

        p = reads;
      }
      else
      {
        p = stream->base + stream->pos;
      }

      if ( p )
        result = FT_NEXT_OFF3( p );
    }
    else
      goto Fail;

    stream->pos += 3;

    return result;

  Fail:
    *error = FT_Err_Invalid_Stream_Operation;
    FT_ERROR(( "FT_Stream_ReadOffset:" ));
    FT_ERROR(( " invalid i/o; pos = 0x%lx, size = 0x%lx\n",
               stream->pos, stream->size ));

    return 0;
  }

开发者ID:cdaffara，项目名称:symbiandump-os2，代码行数:44，代码来源:ftstream.c

示例10: FT_Stream_ReadLongLE

  FT_Stream_ReadLongLE( FT_Stream  stream,
                        FT_Error*  error )
  {
    FT_Byte   reads[4];
    FT_Byte*  p = 0;
    FT_Long   result = 0;


    FT_ASSERT( stream );

    *error = FT_Err_Ok;

    if ( stream->pos + 3 < stream->size )
    {
      if ( stream->read )
      {
        if ( stream->read( stream, stream->pos, reads, 4L ) != 4L )
          goto Fail;

        p = reads;
      }
      else
      {
        p = stream->base + stream->pos;
      }

      if ( p )
        result = FT_NEXT_LONG_LE( p );
    }
    else
      goto Fail;

    stream->pos += 4;

    return result;

  Fail:
    FT_ERROR(( "FT_Stream_ReadLongLE:" ));
    FT_ERROR(( " invalid i/o; pos = 0x%lx, size = 0x%lx\n",
               stream->pos, stream->size ));
    *error = FT_Err_Invalid_Stream_Operation;

    return 0;
  }

开发者ID:cdaffara，项目名称:symbiandump-os2，代码行数:44，代码来源:ftstream.c

示例11: FT_Stream_ReadShortLE

  FT_Stream_ReadShortLE( FT_Stream  stream,
                         FT_Error*  error )
  {
    FT_Byte   reads[2];
    FT_Byte*  p = 0;
    FT_Short  result = 0;


    FT_ASSERT( stream );

    *error = FT_Err_Ok;

    if ( stream->pos + 1 < stream->size )
    {
      if ( stream->read )
      {
        if ( stream->read( stream, stream->pos, reads, 2L ) != 2L )
          goto Fail;

        p = reads;
      }
      else
      {
        p = stream->base + stream->pos;
      }

      if ( p )
        result = FT_NEXT_SHORT_LE( p );
    }
    else
      goto Fail;

    stream->pos += 2;

    return result;

  Fail:
    *error = FT_Err_Invalid_Stream_Operation;
    FT_ERROR(( "FT_Stream_ReadShortLE:" ));
    FT_ERROR(( " invalid i/o; pos = 0x%lx, size = 0x%lx\n",
               stream->pos, stream->size ));

    return 0;
  }

开发者ID:cdaffara，项目名称:symbiandump-os2，代码行数:44，代码来源:ftstream.c

示例12: FT_Stream_Close

 FT_Stream_Close( FT_Stream  stream )
 {
   if ( stream && stream->close )
     stream->close( stream );
 }

开发者ID:cdaffara，项目名称:symbiandump-os2，代码行数:5，代码来源:ftstream.c

示例13: FT_Stream_EnterFrame

  FT_Stream_EnterFrame( FT_Stream  stream,
                        FT_ULong   count )
  {
    FT_Error  error = FT_Err_Ok;
    FT_ULong  read_bytes;


    /* check for nested frame access */
    FT_ASSERT( stream && stream->cursor == 0 );

    if ( stream->read )
    {
      /* allocate the frame in memory */
      FT_Memory  memory = stream->memory;

#ifdef FT_DEBUG_MEMORY
      /* assume _ft_debug_file and _ft_debug_lineno are already set */
      stream->base = (unsigned char*)ft_mem_qalloc( memory, count, &error );
      if ( error )
        goto Exit;
#else
      if ( FT_QALLOC( stream->base, count ) )
        goto Exit;
#endif
      /* read it */
      read_bytes = stream->read( stream, stream->pos,
                                 stream->base, count );
      if ( read_bytes < count )
      {
        FT_ERROR(( "FT_Stream_EnterFrame:" ));
        FT_ERROR(( " invalid read; expected %lu bytes, got %lu\n",
                   count, read_bytes ));

        FT_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 )
      {
        FT_ERROR(( "FT_Stream_EnterFrame:" ));
        FT_ERROR(( " invalid i/o; pos = 0x%lx, count = %lu, size = 0x%lx\n",
                   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:
    return error;
  }

开发者ID:cdaffara，项目名称:symbiandump-os2，代码行数:63，代码来源:ftstream.c

注：本文中的FT_Stream类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。