ltabb 8ed5afe62c Free the lizard
git-svn-id: svn://10.0.0.236/trunk@10 18797224-902f-48f8-a5cc-f745e15eee43
1998-03-28 02:44:41 +00:00

121 lines
4.0 KiB
Java

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
/*
nffp.java (FontDisplayer.java)
Interface definition of FontDisplayer
dp <dp@netscape.com>
*/
// ----------------------------------------------------------------------
// The Object that serves Fonts.
// The FontDisplayer will only be used by the FontBroker. There would exist
// multiple FontDisplayers that server different types of fonts.
//
// Notes:
// - The FontDisplayer need not do reference counting of Font objects.
// The FontBroker does this for the FontDisplayer.
// ----------------------------------------------------------------------
package netscape.fonts;
import netscape.jmc.*;
public interface nffp {
//
// The Following methods reflect their equivalents in FontBroker
//
public Object LookupFont(nfrc rc, nffmi matchInfo, ConstCString accessor);
// Creates a fonthandle from a fontfile. This is a synchronous call.
public Object CreateFontFromFile(nfrc rc, ConstCString mimetype,
ConstCString fontFile, ConstCString urlOfPage);
//
// The stream created is passed the font data as it is downloaded.
//
public nfstrm CreateFontStreamHandler(nfrc rc, ConstCString urlOfPage);
//
// NOTE: This allocates memory for the return list. Caller needs to
// free this memory using nffbu::free()
//
public double[] EnumerateSizes(nfrc rc, Object fh);
// A release mechanism for the object returned by LookupFont and DefineFont
public int ReleaseFontHandle(Object fh);
// The fmi that corrsponding to the font handle
public nffmi GetMatchInfo(Object fh);
//
// RenderableFont is the result of applying transformations
// on this BaseFontHandle. If BaseFontHandle is NULL, then
// fontname is used instead. Currently supported transformations
// are sizing
//
public nfrf GetRenderableFont(nfrc rc, Object fh, double pointsize);
//
// Catalogue Routines
//
// NOTE: This DOES NOT allocate memory for the return strings. Caller
// SHOULD NOT free it and should take a private copy for storing
// or modification of the returned strings.
//
public String Name();
public String Description();
//
// The returned string is of the format
// mime/type:suffix[,suffix]...:Description
// [;mime/type:suffix[,suffix]...:Description]...
//
// NOTE: This DOES NOT allocate memory for the return strings. Caller
// SHOULD NOT free it and should take a private copy for storing
// or modification of the returned strings.
//
public String EnumerateMimeTypes();
//
// Returns a list of fonts that match the input FontMatchInfo.
// The list is an array of objects that implement the FontMatchInfo
// interfaces. These correspond to the FontDisplayerCatalogue interface.
//
// NOTE: This allocates memory for the list of returned FMI array.
// Caller needs to free the list by calling nffbu::free()
// apart from releasing each of the fmi objects.
//
public nffmi[] ListFonts(nfrc rc, nffmi fmi);
//
// NOTE: This allocates memory for the return list. Caller needs to
// free this memory using nffbu::free()
//
public int[] ListSizes(nfrc rc, nffmi fmi);
// If this returns a non-zero value, then the FontBroker will cache the
// output of any Enumerate*() request and use that during the next
// invocation instead of loading this dll/dso every time at startup
// for getting this information.
public int CacheFontInfo();
}