6fb226616a
2003-01-09 James Henstridge <james@daa.com.au>
* NEWS: add news items.
* src/fontilus.mime: ttc files are True Types.
* src/*.c: update copyright messages.
143 lines
3.8 KiB
C
143 lines
3.8 KiB
C
/* -*- mode: C; c-basic-offset: 4 -*-
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* fontilus - a collection of font utilities for GNOME
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* Copyright (C) 2002-2003 James Henstridge <james@daa.com.au>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdlib.h>
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#include <ft2build.h>
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#include FT_FREETYPE_H
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#include <libgnomevfs/gnome-vfs.h>
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static unsigned long
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vfs_stream_read(FT_Stream stream,
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unsigned long offset,
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unsigned char *buffer,
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unsigned long count)
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{
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GnomeVFSHandle *handle = (GnomeVFSHandle *)stream->descriptor.pointer;
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GnomeVFSFileSize bytes_read = 0;
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if (gnome_vfs_seek(handle, GNOME_VFS_SEEK_START, offset) != GNOME_VFS_OK)
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return 0;
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if (count > 0) {
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if (gnome_vfs_read(handle, buffer, count, &bytes_read) != GNOME_VFS_OK)
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return 0;
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}
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return bytes_read;
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}
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static void
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vfs_stream_close(FT_Stream stream)
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{
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GnomeVFSHandle *handle = (GnomeVFSHandle *)stream->descriptor.pointer;
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if (!handle)
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return;
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gnome_vfs_close(handle);
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stream->descriptor.pointer = NULL;
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stream->size = 0;
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stream->base = 0;
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}
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static FT_Error
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vfs_stream_open(FT_Stream stream,
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const char *uri)
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{
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GnomeVFSHandle *handle;
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GnomeVFSFileInfo *finfo;
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if (!stream)
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return FT_Err_Invalid_Stream_Handle;
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if (gnome_vfs_open(&handle, uri,
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GNOME_VFS_OPEN_READ | GNOME_VFS_OPEN_RANDOM) != GNOME_VFS_OK) {
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g_message("could not open URI");
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return FT_Err_Cannot_Open_Resource;
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}
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finfo = gnome_vfs_file_info_new();
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if (gnome_vfs_get_file_info_from_handle(handle, finfo,0) != GNOME_VFS_OK) {
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g_warning("could not get file info");
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gnome_vfs_file_info_unref(finfo);
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gnome_vfs_close(handle);
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return FT_Err_Cannot_Open_Resource;
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}
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if ((finfo->valid_fields & GNOME_VFS_FILE_INFO_FIELDS_SIZE) == 0) {
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g_warning("file info did not include file size");
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gnome_vfs_file_info_unref(finfo);
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gnome_vfs_close(handle);
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return FT_Err_Cannot_Open_Resource;
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}
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stream->size = finfo->size;
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gnome_vfs_file_info_unref(finfo);
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stream->descriptor.pointer = handle;
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stream->pathname.pointer = NULL;
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stream->pos = 0;
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stream->read = vfs_stream_read;
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stream->close = vfs_stream_close;
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return FT_Err_Ok;
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}
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/* load a typeface from a URI */
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FT_Error
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FT_New_Face_From_URI(FT_Library library,
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const gchar* uri,
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FT_Long face_index,
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FT_Face *aface)
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{
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FT_Open_Args args;
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FT_Stream stream;
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FT_Error error;
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if ((stream = calloc(1, sizeof(*stream))) == NULL)
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return FT_Err_Out_Of_Memory;
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error = vfs_stream_open(stream, uri);
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if (error != FT_Err_Ok) {
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free(stream);
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return error;
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}
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/* freetype-2.1.3 accidentally broke compatibility. */
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#if defined(FT_OPEN_STREAM) && !defined(ft_open_stream)
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# define ft_open_stream FT_OPEN_STREAM
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#endif
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args.flags = ft_open_stream;
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args.stream = stream;
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error = FT_Open_Face(library, &args, face_index, aface);
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if (error != FT_Err_Ok) {
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if (stream->close) stream->close(stream);
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free(stream);
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return error;
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}
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/* so that freetype will free the stream */
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(*aface)->face_flags &= ~FT_FACE_FLAG_EXTERNAL_STREAM;
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return error;
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}
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