mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-05 08:35:26 +00:00
102 lines
4.0 KiB
C++
102 lines
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* ***** 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 Novell code.
|
|
*
|
|
* The Initial Developer of the Original Code is Novell Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2006
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* 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 NSTEXTRUNTRANSFORMATIONS_H_
|
|
#define NSTEXTRUNTRANSFORMATIONS_H_
|
|
|
|
#include "gfxFont.h"
|
|
|
|
class nsTransformedTextRun;
|
|
class nsStyleContext;
|
|
|
|
class nsTransformingTextRunFactory {
|
|
public:
|
|
virtual ~nsTransformingTextRunFactory() {}
|
|
|
|
// Default 8-bit path just transforms to Unicode and takes that path
|
|
gfxTextRun* MakeTextRun(const PRUint8* aString, PRUint32 aLength,
|
|
gfxFontGroup::Parameters* aParams, nsStyleContext** aStyles);
|
|
gfxTextRun* MakeTextRun(const PRUnichar* aString, PRUint32 aLength,
|
|
gfxFontGroup::Parameters* aParams, nsStyleContext** aStyles);
|
|
|
|
virtual void RebuildTextRun(nsTransformedTextRun* aTextRun) = 0;
|
|
};
|
|
|
|
/**
|
|
* Builds textruns that render their text using a font-variant (i.e.,
|
|
* smallcaps).
|
|
*/
|
|
class nsFontVariantTextRunFactory : public nsTransformingTextRunFactory {
|
|
public:
|
|
nsFontVariantTextRunFactory(gfxFontGroup* aFontGroup)
|
|
: mFontGroup(aFontGroup) {}
|
|
|
|
virtual void RebuildTextRun(nsTransformedTextRun* aTextRun);
|
|
|
|
protected:
|
|
nsRefPtr<gfxFontGroup> mFontGroup;
|
|
};
|
|
|
|
/**
|
|
* Builds textruns that transform the text in some way (e.g., capitalize)
|
|
* and then render the text using some other textrun implementation.
|
|
*/
|
|
class nsCaseTransformTextRunFactory : public nsTransformingTextRunFactory {
|
|
public:
|
|
// We could add an optimization here so that when there is no inner
|
|
// factory, no title-case conversion, and no upper-casing of SZLIG, we override
|
|
// MakeTextRun (after making it virtual in the superclass) and have it
|
|
// just convert the string to uppercase or lowercase and create the textrun
|
|
// via the fontgroup.
|
|
|
|
nsCaseTransformTextRunFactory(gfxFontGroup* aFontGroup,
|
|
nsTransformingTextRunFactory* aInnerTransformingTextRunFactory,
|
|
PRBool aAllUppercase = PR_FALSE)
|
|
: mFontGroup(aFontGroup),
|
|
mInnerTransformingTextRunFactory(aInnerTransformingTextRunFactory),
|
|
mAllUppercase(aAllUppercase) {}
|
|
|
|
virtual void RebuildTextRun(nsTransformedTextRun* aTextRun);
|
|
|
|
protected:
|
|
nsRefPtr<gfxFontGroup> mFontGroup;
|
|
nsAutoPtr<nsTransformingTextRunFactory> mInnerTransformingTextRunFactory;
|
|
PRPackedBool mAllUppercase;
|
|
};
|
|
|
|
#endif /*NSTEXTRUNTRANSFORMATIONS_H_*/
|