mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 20; 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 Mozilla Corporation code.
|
|
*
|
|
* The Initial Developer of the Original Code is Mozilla Foundation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2011
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Bas Schouten <bschouten@mozilla.com>
|
|
*
|
|
* 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 MOZILLA_GFX_TOOLS_H_
|
|
#define MOZILLA_GFX_TOOLS_H_
|
|
|
|
#include "Types.h"
|
|
#if defined(_MSC_VER) && (_MSC_VER < 1600)
|
|
#define hypotf _hypotf
|
|
#endif
|
|
|
|
namespace mozilla {
|
|
namespace gfx {
|
|
|
|
static inline bool
|
|
IsOperatorBoundByMask(CompositionOp aOp) {
|
|
switch (aOp) {
|
|
case OP_IN:
|
|
case OP_OUT:
|
|
case OP_DEST_IN:
|
|
case OP_DEST_ATOP:
|
|
case OP_SOURCE:
|
|
return false;
|
|
default:
|
|
return true;
|
|
}
|
|
}
|
|
|
|
template <class T>
|
|
struct ClassStorage
|
|
{
|
|
char bytes[sizeof(T)];
|
|
|
|
const T *addr() const { return (const T *)bytes; }
|
|
T *addr() { return (T *)(void *)bytes; }
|
|
};
|
|
|
|
static inline bool
|
|
FuzzyEqual(Float aA, Float aB, Float aErr)
|
|
{
|
|
if ((aA + aErr > aB) && (aA - aErr < aB)) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static inline Float
|
|
Distance(Point aA, Point aB)
|
|
{
|
|
return hypotf(aB.x - aA.x, aB.y - aA.y);
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
#endif /* MOZILLA_GFX_TOOLS_H_ */
|