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118 lines
5.1 KiB
C++
118 lines
5.1 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Oracle Corporation code.
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*
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* The Initial Developer of the Original Code is Oracle Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Stuart Parmenter <pavlov@pavlov.net>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef GFX_TYPES_H
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#define GFX_TYPES_H
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#include "prtypes.h"
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#include "nsAtomicRefcnt.h"
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/**
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* Currently needs to be 'double' for Cairo compatibility. Could
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* become 'float', perhaps, in some configurations.
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*/
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typedef double gfxFloat;
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#if defined(MOZ_STATIC_BUILD)
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# define THEBES_API
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#elif defined(IMPL_THEBES)
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# define THEBES_API NS_EXPORT
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#else
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# define THEBES_API NS_IMPORT
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#endif
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/**
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* gfx errors
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*/
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/* nsIDeviceContext.h defines a set of printer errors */
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#define NS_ERROR_GFX_GENERAL_BASE (50)
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/* Font cmap is strangely structured - avoid this font! */
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#define NS_ERROR_GFX_CMAP_MALFORMED \
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NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_GFX,NS_ERROR_GFX_GENERAL_BASE+1)
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/**
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* Priority of a line break opportunity.
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*
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* eNoBreak The line has no break opportunities
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* eWordWrapBreak The line has a break opportunity only within a word. With
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* word-wrap: break-word we will break at this point only if
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* there are no other break opportunities in the line.
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* eNormalBreak The line has a break opportunity determined by the standard
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* line-breaking algorithm.
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*
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* Future expansion: split eNormalBreak into multiple priorities, e.g.
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* punctuation break and whitespace break (bug 389710).
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* As and when we implement it, text-wrap: unrestricted will
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* mean that priorities are ignored and all line-break
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* opportunities are equal.
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*
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* @see gfxTextRun::BreakAndMeasureText
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* @see nsLineLayout::NotifyOptionalBreakPosition
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*/
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enum gfxBreakPriority {
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eNoBreak = 0,
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eWordWrapBreak,
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eNormalBreak
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};
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#define THEBES_INLINE_DECL_THREADSAFE_REFCOUNTING(_class) \
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public: \
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nsrefcnt AddRef(void) { \
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NS_PRECONDITION(PRInt32(mRefCnt) >= 0, "illegal refcnt"); \
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nsrefcnt count = NS_AtomicIncrementRefcnt(mRefCnt); \
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NS_LOG_ADDREF(this, count, #_class, sizeof(*this)); \
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return count; \
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} \
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nsrefcnt Release(void) { \
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NS_PRECONDITION(0 != mRefCnt, "dup release"); \
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nsrefcnt count = NS_AtomicDecrementRefcnt(mRefCnt); \
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NS_LOG_RELEASE(this, count, #_class); \
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if (count == 0) { \
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mRefCnt = 1; /* stabilize */ \
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delete this; \
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return 0; \
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} \
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return count; \
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} \
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protected: \
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nsAutoRefCnt mRefCnt; \
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public:
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#endif /* GFX_TYPES_H */
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