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// Gmsh - Copyright (C) 1997-2021 C. Geuzaine, J.-F. Remacle
//
// See the LICENSE.txt file for license information. Please report all
// issues on https://gitlab.onelab.info/gmsh/gmsh/issues.
#include <stdlib.h>
#include <string.h>
#include "GmshConfig.h"
#include "Context.h"
#include "OS.h"
#include "GamePad.h"
#if defined(HAVE_FLTK)
#include <FL/Fl.H>
#endif
CTX::CTX()
{
// Warning: this does not initialize all the variables; for all the options
// that have default values that job is left to InitOptions() - which calls
// init()
init();
}
CTX::~CTX()
{
if(gamepad) delete gamepad;
}
void CTX::init()
{
// initialize everything that has no default value in DefaultOptions.h
debugSurface = -1;
short int word = 0x0001;
char *byte = (char*)&word;
bigEndian = (byte[0] ? 0 : 1);
if(homeDir.empty()) homeDir = GetEnvironmentVar("GMSH_HOME");
#if defined(WIN32)
if(homeDir.empty()) homeDir = GetEnvironmentVar("APPDATA");
#else
if(homeDir.empty()) homeDir = GetEnvironmentVar("HOME");
#endif
if(homeDir.empty()) homeDir = GetEnvironmentVar("TMP");
if(homeDir.empty()) homeDir = GetEnvironmentVar("TEMP");
int len = homeDir.size();
if(len && homeDir[len - 1] != '/') homeDir += "/";
batch = batchAfterMesh = 0;
batchSomeValue = 0;
outputFileName = "";
bgmFileName = "";
createAppendMeshStatReport = 0;
launchSolverAtStartup = -1;
lc = 1.;
min[0] = min[1] = min[2] = max[2] = 0.;
max[0] = max[1] = 1.; // for nice view when adding point in new model
cg[0] = cg[1] = cg[2] = 0.;
polygonOffset = 0;
printing = 0;
meshTimer[0] = meshTimer[1] = meshTimer[2] = 0.;
drawRotationCenter = 0;
pickElements = 0;
geom.draw = 1;
mesh.draw = 1;
post.draw = 1;
post.combineTime = 0; // try to combineTime views at startup
lock = 0; // very primitive locking
fileread = false;
#if defined(HAVE_FLTK)
glFontEnum = FL_HELVETICA;
#else
glFontEnum = -1;
#endif
forcedBBox = 0;
hideUnselected = 0;
numWindows = numTiles = 1;
deltaFontSize = 0;
recentFiles.resize(10);
gamepad = nullptr;
mesh.switchElementTags = 0;
terminal = 0;
// need to initialize these too, since the corresponding opt_XXX routines use
// the current value to detect changes
mesh.changed = 0;
mesh.qualityInf = mesh.qualitySup = mesh.qualityType = 0;
mesh.radiusInf = mesh.radiusSup = 0;
mesh.lines = mesh.triangles = mesh.tetrahedra = mesh.quadrangles = 0;
mesh.prisms = mesh.pyramids = mesh.hexahedra = mesh.trihedra = 0;
mesh.volumeEdges = mesh.volumeFaces = mesh.surfaceEdges = mesh.surfaceFaces = 0;
mesh.hoOptimize = mesh.smoothNormals = 0;
mesh.explode = mesh.angleSmoothNormals = 0.;
mesh.numSubEdges = 0;
mesh.colorCarousel = 0;
mesh.saveTri = 0;
color.mesh.tangents = color.mesh.tetrahedron = color.mesh.triangle = 0;
color.mesh.prism = color.mesh.pyramid = color.mesh.hexahedron = color.mesh.trihedron = 0;
color.mesh.tangents = color.mesh.line = color.mesh.quadrangle = 0;
for (int i = 0; i < 20; i++)
color.mesh.carousel[i] = 0;
mesh.optimize = mesh.optimizeNetgen = 0;
mesh.refineSteps = mesh.scalingFactor = mesh.lcFactor = mesh.lcMin = mesh.lcMax = 0;
mesh.toleranceEdgeLength = mesh.toleranceInitialDelaunay = 0;
mesh.lcFromCurvature = mesh.lcFromPoints = mesh.lcExtendFromBoundary = 0;
mesh.lcFromParametricPoints = 0;
mesh.lcIntegrationPrecision = mesh.randFactor = 0;
mesh.algo2d = mesh.algo3d = mesh.algoRecombine = mesh.recombineAll = 0;
mesh.recombine3DAll = mesh.algoSubdivide = mesh.meshOnlyVisible = 0;
mesh.minCircleNodes = mesh.order = 0;
mesh.secondOrderLinear = mesh.secondOrderIncomplete = 0;
mesh.lightLines = 2;
mesh.lcCallback = nullptr;
}
CTX *CTX::_instance = nullptr;
CTX *CTX::instance()
{
if(!_instance) _instance = new CTX();
return _instance;
}
unsigned int CTX::packColor(int R, int G, int B, int A)
{
if(bigEndian)
return ( (unsigned int)((R)<<24 | (G)<<16 | (B)<<8 | (A)) );
else
return ( (unsigned int)((A)<<24 | (B)<<16 | (G)<<8 | (R)) );
}
int CTX::unpackRed(unsigned int X)
{
if(bigEndian)
return ( ( (X) >> 24 ) & 0xff );
else
return ( (X) & 0xff );
}
int CTX::unpackGreen(unsigned int X)
{
if(bigEndian)
return ( ( (X) >> 16 ) & 0xff );
else
return ( ( (X) >> 8 ) & 0xff );
}
int CTX::unpackBlue(unsigned int X)
{
if(bigEndian)
return ( ( (X) >> 8 ) & 0xff );
else
return ( ( (X) >> 16 ) & 0xff );
}
int CTX::unpackAlpha(unsigned int X)
{
if(bigEndian)
return ( (X) & 0xff );
else
return ( ( (X) >> 24 ) & 0xff );
}
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