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150 lines
4.0 KiB
C++
150 lines
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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 Mozilla Corporation code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Bas Schouten <bschouten@mozilla.com>
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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 MOZILLA_GFX_LOGGING_H_
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#define MOZILLA_GFX_LOGGING_H_
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#include <string>
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#include <sstream>
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#include <stdio.h>
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#include "Point.h"
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#include "Matrix.h"
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#ifdef WIN32
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#include <windows.h>
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#endif
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#ifdef PR_LOGGING
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#include <prlog.h>
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extern PRLogModuleInfo *sGFX2DLog;
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#endif
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namespace mozilla {
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namespace gfx {
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const int LOG_DEBUG = 1;
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const int LOG_WARNING = 2;
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#ifdef PR_LOGGING
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inline PRLogModuleLevel PRLogLevelForLevel(int aLevel) {
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switch (aLevel) {
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case LOG_DEBUG:
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return PR_LOG_DEBUG;
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case LOG_WARNING:
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return PR_LOG_WARNING;
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}
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return PR_LOG_DEBUG;
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}
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#endif
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extern int sGfxLogLevel;
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static void OutputMessage(const std::string &aString, int aLevel) {
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#if defined(WIN32) && !defined(PR_LOGGING)
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if (aLevel >= sGfxLogLevel) {
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::OutputDebugStringA(aString.c_str());
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}
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#elif defined(PR_LOGGING)
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if (PR_LOG_TEST(sGFX2DLog, PRLogLevelForLevel(aLevel))) {
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PR_LogPrint(aString.c_str());
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}
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#else
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if (aLevel >= sGfxLogLevel) {
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printf("%s", aString.c_str());
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}
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#endif
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}
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class NoLog
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{
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public:
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NoLog() {}
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~NoLog() {}
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template<typename T>
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NoLog &operator <<(const T &aLogText) { return *this; }
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};
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template<int L>
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class Log
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{
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public:
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Log() {}
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~Log() { mMessage << '\n'; WriteLog(mMessage.str()); }
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Log &operator <<(const std::string &aLogText) { mMessage << aLogText; return *this; }
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Log &operator <<(unsigned int aInt) { mMessage << aInt; return *this; }
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Log &operator <<(const Size &aSize)
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{ mMessage << "(" << aSize.width << "x" << aSize.height << ")"; return *this; }
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Log &operator <<(const IntSize &aSize)
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{ mMessage << "(" << aSize.width << "x" << aSize.height << ")"; return *this; }
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Log &operator<<(const Matrix& aMatrix)
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{ mMessage << "[ " << aMatrix._11 << " " << aMatrix._12 << " ; " << aMatrix._21 << " " << aMatrix._22 << " ; " << aMatrix._31 << " " << aMatrix._32 << " ]"; return *this; }
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private:
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void WriteLog(const std::string &aString) {
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OutputMessage(aString, L);
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}
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std::stringstream mMessage;
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};
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typedef Log<LOG_DEBUG> DebugLog;
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typedef Log<LOG_WARNING> WarningLog;
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#ifdef GFX_LOG_DEBUG
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#define gfxDebug DebugLog
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#else
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#define gfxDebug if (1) ; else NoLog
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#endif
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#ifdef GFX_LOG_WARNING
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#define gfxWarning WarningLog
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#else
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#define gfxWarning if (1) ; else NoLog
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#endif
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}
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}
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#endif /* MOZILLA_GFX_LOGGING_H_ */
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