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Trival V3 llmath merge.

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Shyotl
2012-05-21 20:23:42 -05:00
parent 9eda9ad462
commit ae0804beea
16 changed files with 158 additions and 139 deletions
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155
indra/llmath/llcoord.h
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@@ -1,111 +1,112 @@
/**
* @file llcoord.h
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2009, Linden Research, Inc.
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
* Copyright (C) 2010, Linden Research, Inc.
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLCOORD_H
#define LL_LLCOORD_H
template<typename> class LLCoord;
struct LL_COORD_TYPE_GL;
struct LL_COORD_TYPE_WINDOW;
struct LL_COORD_TYPE_SCREEN;
typedef LLCoord<LL_COORD_TYPE_GL> LLCoordGL;
typedef LLCoord<LL_COORD_TYPE_WINDOW> LLCoordWindow;
typedef LLCoord<LL_COORD_TYPE_SCREEN> LLCoordScreen;
struct LLCoordCommon
{
LLCoordCommon(S32 x, S32 y) : mX(x), mY(y) {}
LLCoordCommon() : mX(0), mY(0) {}
S32 mX;
S32 mY;
};
// A two-dimensional pixel value
class LLCoord
template<typename COORD_FRAME>
class LLCoord : protected COORD_FRAME
{
public:
S32 mX;
S32 mY;
typedef LLCoord<COORD_FRAME> self_t;
typename COORD_FRAME::value_t mX;
typename COORD_FRAME::value_t mY;
LLCoord(): mX(0), mY(0)
{}
LLCoord(S32 x, S32 y): mX(x), mY(y)
{}
virtual ~LLCoord()
LLCoord(typename COORD_FRAME::value_t x, typename COORD_FRAME::value_t y): mX(x), mY(y)
{}
virtual void set(S32 x, S32 y) { mX = x; mY = y; }
LLCoord(const LLCoordCommon& other)
{
COORD_FRAME::convertFromCommon(other);
}
LLCoordCommon convert() const
{
return COORD_FRAME::convertToCommon();
}
void set(typename COORD_FRAME::value_t x, typename COORD_FRAME::value_t y) { mX = x; mY = y;}
bool operator==(const self_t& other) const { return mX == other.mX && mY == other.mY; }
bool operator!=(const self_t& other) const { return !(*this == other); }
static const self_t& getTypedCoords(const COORD_FRAME& self) { return static_cast<const self_t&>(self); }
static self_t& getTypedCoords(COORD_FRAME& self) { return static_cast<self_t&>(self); }
};
// GL coordinates start in the client region of a window,
// with left, bottom = 0, 0
class LLCoordGL : public LLCoord
struct LL_COORD_TYPE_GL
{
public:
LLCoordGL() : LLCoord()
{}
LLCoordGL(S32 x, S32 y) : LLCoord(x, y)
{}
bool operator==(const LLCoordGL& other) const { return mX == other.mX && mY == other.mY; }
bool operator!=(const LLCoordGL& other) const { return !(*this == other); }
typedef S32 value_t;
LLCoordCommon convertToCommon() const
{
const LLCoordGL& self = LLCoordGL::getTypedCoords(*this);
return LLCoordCommon(self.mX, self.mY);
}
void convertFromCommon(const LLCoordCommon& from)
{
LLCoordGL& self = LLCoordGL::getTypedCoords(*this);
self.mX = from.mX;
self.mY = from.mY;
}
};
//bool operator ==(const LLCoordGL& a, const LLCoordGL& b);
// Window coords include things like window borders,
// menu regions, etc.
class LLCoordWindow : public LLCoord
struct LL_COORD_TYPE_WINDOW
{
public:
LLCoordWindow() : LLCoord()
{}
LLCoordWindow(S32 x, S32 y) : LLCoord(x, y)
{}
bool operator==(const LLCoordWindow& other) const { return mX == other.mX && mY == other.mY; }
bool operator!=(const LLCoordWindow& other) const { return !(*this == other); }
typedef S32 value_t;
LLCoordCommon convertToCommon() const;
void convertFromCommon(const LLCoordCommon& from);
};
// Screen coords start at left, top = 0, 0
class LLCoordScreen : public LLCoord
struct LL_COORD_TYPE_SCREEN
{
public:
LLCoordScreen() : LLCoord()
{}
LLCoordScreen(S32 x, S32 y) : LLCoord(x, y)
{}
bool operator==(const LLCoordScreen& other) const { return mX == other.mX && mY == other.mY; }
bool operator!=(const LLCoordScreen& other) const { return !(*this == other); }
};
typedef S32 value_t;
class LLCoordFont : public LLCoord
{
public:
F32 mZ;
LLCoordFont() : LLCoord(), mZ(0.f)
{}
LLCoordFont(S32 x, S32 y, F32 z = 0) : LLCoord(x,y), mZ(z)
{}
void set(S32 x, S32 y) { LLCoord::set(x,y); mZ = 0.f; }
void set(S32 x, S32 y, F32 z) { mX = x; mY = y; mZ = z; }
bool operator==(const LLCoordFont& other) const { return mX == other.mX && mY == other.mY; }
bool operator!=(const LLCoordFont& other) const { return !(*this == other); }
LLCoordCommon convertToCommon() const;
void convertFromCommon(const LLCoordCommon& from);
};
#endif