godot/thirdparty/thorvg/src/renderer/sw_engine/tvgSwMath.cpp

/*
 * Copyright (c) 2020 - 2024 the ThorVG project. All rights reserved.

 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:

 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include "tvgMath.h"
#include "tvgSwCommon.h"


/************************************************************************/
/* Internal Class Implementation                                        */
/************************************************************************/

static float TO_RADIAN(SwFixed angle)
{ … }


/************************************************************************/
/* External Class Implementation                                        */
/************************************************************************/

SwFixed mathMean(SwFixed angle1, SwFixed angle2)
{ … }


bool mathSmallCubic(const SwPoint* base)
{ … }


bool mathFlatCubic(const SwPoint* base, SwFixed& angleIn, SwFixed& angleMid, SwFixed& angleOut)
{ … }


int64_t mathMultiply(int64_t a, int64_t b)
{ … }


int64_t mathDivide(int64_t a, int64_t b)
{ … }


int64_t mathMulDiv(int64_t a, int64_t b, int64_t c)
{ … }


void mathRotate(SwPoint& pt, SwFixed angle)
{ … }


SwFixed mathTan(SwFixed angle)
{ … }


SwFixed mathAtan(const SwPoint& pt)
{ … }


SwFixed mathSin(SwFixed angle)
{ … }


SwFixed mathCos(SwFixed angle)
{ … }


SwFixed mathLength(const SwPoint& pt)
{ … }


void mathSplitCubic(SwPoint* base)
{ … }


SwFixed mathDiff(SwFixed angle1, SwFixed angle2)
{ … }


SwPoint mathTransform(const Point* to, const Matrix& transform)
{ … }


bool mathClipBBox(const SwBBox& clipper, SwBBox& clipee)
{ … }


bool mathUpdateOutlineBBox(const SwOutline* outline, const SwBBox& clipRegion, SwBBox& renderRegion, bool fastTrack)
{ … }