gecko/gfx/thebes/gfxFontMissingGlyphs.h

68 lines
2.6 KiB
C
Raw Normal View History

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Corporation code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Robert O'Callahan <robert@ocallahan.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef GFX_FONTMISSINGGLYPHS_H
#define GFX_FONTMISSINGGLYPHS_H
#include "prtypes.h"
#include "gfxTypes.h"
#include "gfxContext.h"
#include "gfxRect.h"
/**
* This class should not be instantiated. It's just a container
* for some helper functions.
*/
class THEBES_API gfxFontMissingGlyphs {
public:
/**
* Draw hexboxes for a missing glyph.
* @param aContext the context to draw to
* @param aRect the glyph-box for the glyph that is missing
* @param aChar the UTF16 codepoint for the character
*/
static void DrawMissingGlyph(gfxContext *aContext, const gfxRect& aRect,
PRUint32 aChar);
/**
* @return the desired minimum width for a glyph-box that will allow
* the hexboxes to be drawn reasonably.
*/
static gfxFloat GetDesiredMinWidth(PRUint32 aChar);
};
#endif