125 lines
4.1 KiB
Java
125 lines
4.1 KiB
Java
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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/*
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nffp.java (FontDisplayer.java)
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Interface definition of FontDisplayer
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dp <dp@netscape.com>
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*/
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// ----------------------------------------------------------------------
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// The Object that serves Fonts.
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// The FontDisplayer will only be used by the FontBroker. There would exist
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// multiple FontDisplayers that server different types of fonts.
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//
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// Notes:
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// - The FontDisplayer need not do reference counting of Font objects.
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// The FontBroker does this for the FontDisplayer.
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// ----------------------------------------------------------------------
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package netscape.fonts;
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import netscape.jmc.*;
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public interface nffp {
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//
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// The Following methods reflect their equivalents in FontBroker
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//
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public Object LookupFont(nfrc rc, nffmi matchInfo, ConstCString accessor);
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// Creates a fonthandle from a fontfile. This is a synchronous call.
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public Object CreateFontFromFile(nfrc rc, ConstCString mimetype,
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ConstCString fontFile, ConstCString urlOfPage);
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//
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// The stream created is passed the font data as it is downloaded.
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//
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public nfstrm CreateFontStreamHandler(nfrc rc, ConstCString urlOfPage);
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//
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// NOTE: This allocates memory for the return list. Caller needs to
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// free this memory using nffbu::free()
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//
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public double[] EnumerateSizes(nfrc rc, Object fh);
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// A release mechanism for the object returned by LookupFont and DefineFont
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public int ReleaseFontHandle(Object fh);
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// The fmi that corrsponding to the font handle
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public nffmi GetMatchInfo(Object fh);
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//
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// RenderableFont is the result of applying transformations
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// on this BaseFontHandle. If BaseFontHandle is NULL, then
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// fontname is used instead. Currently supported transformations
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// are sizing
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//
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public nfrf GetRenderableFont(nfrc rc, Object fh, double pointsize);
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//
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// Catalogue Routines
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//
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// NOTE: This DOES NOT allocate memory for the return strings. Caller
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// SHOULD NOT free it and should take a private copy for storing
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// or modification of the returned strings.
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//
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public String Name();
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public String Description();
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//
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// The returned string is of the format
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// mime/type:suffix[,suffix]...:Description
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// [;mime/type:suffix[,suffix]...:Description]...
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//
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// NOTE: This DOES NOT allocate memory for the return strings. Caller
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// SHOULD NOT free it and should take a private copy for storing
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// or modification of the returned strings.
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//
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public String EnumerateMimeTypes();
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//
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// Returns a list of fonts that match the input FontMatchInfo.
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// The list is an array of objects that implement the FontMatchInfo
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// interfaces. These correspond to the FontDisplayerCatalogue interface.
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//
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// NOTE: This allocates memory for the list of returned FMI array.
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// Caller needs to free the list by calling nffbu::free()
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// apart from releasing each of the fmi objects.
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//
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public nffmi[] ListFonts(nfrc rc, nffmi fmi);
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//
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// NOTE: This allocates memory for the return list. Caller needs to
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// free this memory using nffbu::free()
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//
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public int[] ListSizes(nfrc rc, nffmi fmi);
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// If this returns a non-zero value, then the FontBroker will cache the
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// output of any Enumerate*() request and use that during the next
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// invocation instead of loading this dll/dso every time at startup
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// for getting this information.
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public int CacheFontInfo();
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}
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