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Diffstat (limited to 'indra/llmath/llcoord.h')
| -rwxr-xr-x[-rw-r--r--] | indra/llmath/llcoord.h | 153 |
1 files changed, 77 insertions, 76 deletions
diff --git a/indra/llmath/llcoord.h b/indra/llmath/llcoord.h index 9e38fddbd7..9b76268afd 100644..100755 --- a/indra/llmath/llcoord.h +++ b/indra/llmath/llcoord.h @@ -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(); + } -// GL coordinates start in the client region of a window, -// with left, bottom = 0, 0 -class LLCoordGL : public LLCoord -{ -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); } -}; + 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); } -//bool operator ==(const LLCoordGL& a, const LLCoordGL& b); + 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); } +}; -// Window coords include things like window borders, -// menu regions, etc. -class LLCoordWindow : public LLCoord +struct LL_COORD_TYPE_GL { -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 + { + 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; + } +}; -// Screen coords start at left, top = 0, 0 -class LLCoordScreen : public LLCoord +struct LL_COORD_TYPE_WINDOW { -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; + + LLCoordCommon convertToCommon() const; + void convertFromCommon(const LLCoordCommon& from); }; -class LLCoordFont : public LLCoord +struct LL_COORD_TYPE_SCREEN { -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); } + typedef S32 value_t; + + LLCoordCommon convertToCommon() const; + void convertFromCommon(const LLCoordCommon& from); }; - #endif |