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solvespace/src/solvespace.cpp

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//-----------------------------------------------------------------------------
// Entry point in to the program, our registry-stored settings and top-level
// housekeeping when we open, save, and create new files.
//
// Copyright 2008-2013 Jonathan Westhues.
//-----------------------------------------------------------------------------
#include "solvespace.h"
#include "config.h"
SolveSpaceUI SolveSpace::SS = {};
Sketch SolveSpace::SK = {};
void SolveSpaceUI::Init() {
#if !defined(HEADLESS)
// Check that the resource system works.
dbp("%s", LoadString("banner.txt").data());
#endif
Platform::SettingsRef settings = Platform::GetSettings();
SS.tangentArcRadius = 10.0;
// Then, load the registry settings.
// Default list of colors for the model material
modelColor[0] = settings->ThawColor("ModelColor_0", RGBi(150, 150, 150));
modelColor[1] = settings->ThawColor("ModelColor_1", RGBi(100, 100, 100));
modelColor[2] = settings->ThawColor("ModelColor_2", RGBi( 30, 30, 30));
modelColor[3] = settings->ThawColor("ModelColor_3", RGBi(150, 0, 0));
modelColor[4] = settings->ThawColor("ModelColor_4", RGBi( 0, 100, 0));
modelColor[5] = settings->ThawColor("ModelColor_5", RGBi( 0, 80, 80));
modelColor[6] = settings->ThawColor("ModelColor_6", RGBi( 0, 0, 130));
modelColor[7] = settings->ThawColor("ModelColor_7", RGBi( 80, 0, 80));
// Light intensities
lightIntensity[0] = settings->ThawFloat("LightIntensity_0", 1.0);
lightIntensity[1] = settings->ThawFloat("LightIntensity_1", 0.5);
ambientIntensity = 0.3; // no setting for that yet
// Light positions
lightDir[0].x = settings->ThawFloat("LightDir_0_Right", -1.0);
lightDir[0].y = settings->ThawFloat("LightDir_0_Up", 1.0);
lightDir[0].z = settings->ThawFloat("LightDir_0_Forward", 0.0);
lightDir[1].x = settings->ThawFloat("LightDir_1_Right", 1.0);
lightDir[1].y = settings->ThawFloat("LightDir_1_Up", 0.0);
lightDir[1].z = settings->ThawFloat("LightDir_1_Forward", 0.0);
exportMode = false;
// Chord tolerance
chordTol = settings->ThawFloat("ChordTolerancePct", 0.5);
// Max pwl segments to generate
maxSegments = settings->ThawInt("MaxSegments", 10);
// Chord tolerance
exportChordTol = settings->ThawFloat("ExportChordTolerance", 0.1);
// Max pwl segments to generate
exportMaxSegments = settings->ThawInt("ExportMaxSegments", 64);
// View units
viewUnits = (Unit)settings->ThawInt("ViewUnits", (uint32_t)Unit::MM);
// Number of digits after the decimal point
afterDecimalMm = settings->ThawInt("AfterDecimalMm", 2);
afterDecimalInch = settings->ThawInt("AfterDecimalInch", 3);
// Camera tangent (determines perspective)
cameraTangent = settings->ThawFloat("CameraTangent", 0.3f/1e3);
// Grid spacing
gridSpacing = settings->ThawFloat("GridSpacing", 5.0);
// Export scale factor
exportScale = settings->ThawFloat("ExportScale", 1.0);
// Export offset (cutter radius comp)
exportOffset = settings->ThawFloat("ExportOffset", 0.0);
// Rewrite exported colors close to white into black (assuming white bg)
fixExportColors = settings->ThawBool("FixExportColors", true);
// Draw back faces of triangles (when mesh is leaky/self-intersecting)
drawBackFaces = settings->ThawBool("DrawBackFaces", true);
// Check that contours are closed and not self-intersecting
checkClosedContour = settings->ThawBool("CheckClosedContour", true);
// Draw closed polygons areas
showContourAreas = settings->ThawBool("ShowContourAreas", false);
// Export shaded triangles in a 2d view
exportShadedTriangles = settings->ThawBool("ExportShadedTriangles", true);
// Export pwl curves (instead of exact) always
exportPwlCurves = settings->ThawBool("ExportPwlCurves", false);
// Background color on-screen
backgroundColor = settings->ThawColor("BackgroundColor", RGBi(0, 0, 0));
// Whether export canvas size is fixed or derived from bbox
exportCanvasSizeAuto = settings->ThawBool("ExportCanvasSizeAuto", true);
// Margins for automatic canvas size
exportMargin.left = settings->ThawFloat("ExportMargin_Left", 5.0);
exportMargin.right = settings->ThawFloat("ExportMargin_Right", 5.0);
exportMargin.bottom = settings->ThawFloat("ExportMargin_Bottom", 5.0);
exportMargin.top = settings->ThawFloat("ExportMargin_Top", 5.0);
// Dimensions for fixed canvas size
exportCanvas.width = settings->ThawFloat("ExportCanvas_Width", 100.0);
exportCanvas.height = settings->ThawFloat("ExportCanvas_Height", 100.0);
exportCanvas.dx = settings->ThawFloat("ExportCanvas_Dx", 5.0);
exportCanvas.dy = settings->ThawFloat("ExportCanvas_Dy", 5.0);
// Extra parameters when exporting G code
gCode.depth = settings->ThawFloat("GCode_Depth", 10.0);
gCode.passes = settings->ThawInt("GCode_Passes", 1);
gCode.feed = settings->ThawFloat("GCode_Feed", 10.0);
gCode.plungeFeed = settings->ThawFloat("GCode_PlungeFeed", 10.0);
// Show toolbar in the graphics window
showToolbar = settings->ThawBool("ShowToolbar", true);
// Recent files menus
for(size_t i = 0; i < MAX_RECENT; i++) {
std::string rawPath = settings->ThawString("RecentFile_" + std::to_string(i), "");
if(rawPath.empty()) continue;
recentFiles.push_back(Platform::Path::From(rawPath));
}
// Autosave timer
autosaveInterval = settings->ThawInt("AutosaveInterval", 5);
// Locale
std::string locale = settings->ThawString("Locale", "");
if(!locale.empty()) {
SetLocale(locale);
}
timerGenerateAll = Platform::CreateTimer();
timerGenerateAll->onTimeout = std::bind(&SolveSpaceUI::GenerateAll, &SS, Generate::DIRTY,
/*andFindFree=*/false, /*genForBBox=*/false);
timerShowTW = Platform::CreateTimer();
timerShowTW->onTimeout = std::bind(&TextWindow::Show, &TW);
timerAutosave = Platform::CreateTimer();
timerAutosave->onTimeout = std::bind(&SolveSpaceUI::Autosave, &SS);
// The default styles (colors, line widths, etc.) are also stored in the
// configuration file, but we will automatically load those as we need
// them.
ScheduleAutosave();
NewFile();
AfterNewFile();
if(TW.window && GW.window) {
TW.window->ThawPosition(settings, "TextWindow");
GW.window->ThawPosition(settings, "GraphicsWindow");
TW.window->SetVisible(true);
GW.window->SetVisible(true);
GW.window->Focus();
// Do this once the window is created.
Request3DConnexionEventsForWindow(GW.window);
}
}
bool SolveSpaceUI::LoadAutosaveFor(const Platform::Path &filename) {
Platform::Path autosaveFile = filename.WithExtension(AUTOSAVE_EXT);
FILE *f = OpenFile(autosaveFile, "rb");
if(!f)
return false;
fclose(f);
Platform::MessageDialogRef dialog = CreateMessageDialog(GW.window);
using Platform::MessageDialog;
dialog->SetType(MessageDialog::Type::QUESTION);
dialog->SetTitle(C_("title", "Autosave Available"));
dialog->SetMessage(C_("dialog", "An autosave file is available for this sketch."));
dialog->SetDescription(C_("dialog", "Do you want to load the autosave file instead?"));
dialog->AddButton(C_("button", "&Load autosave"), MessageDialog::Response::YES,
/*isDefault=*/true);
dialog->AddButton(C_("button", "Do&n't Load"), MessageDialog::Response::NO);
if(dialog->RunModal() == MessageDialog::Response::YES) {
unsaved = true;
return LoadFromFile(autosaveFile, /*canCancel=*/true);
}
return false;
}
bool SolveSpaceUI::Load(const Platform::Path &filename) {
bool autosaveLoaded = LoadAutosaveFor(filename);
bool fileLoaded = autosaveLoaded || LoadFromFile(filename, /*canCancel=*/true);
if(fileLoaded) {
saveFile = filename;
AddToRecentList(filename);
} else {
saveFile.Clear();
NewFile();
}
AfterNewFile();
unsaved = autosaveLoaded;
return fileLoaded;
}
void SolveSpaceUI::Exit() {
Platform::SettingsRef settings = Platform::GetSettings();
GW.window->FreezePosition(settings, "GraphicsWindow");
TW.window->FreezePosition(settings, "TextWindow");
// Recent files
for(size_t i = 0; i < MAX_RECENT; i++) {
std::string rawPath;
if(recentFiles.size() > i) {
rawPath = recentFiles[i].raw;
}
settings->FreezeString("RecentFile_" + std::to_string(i), rawPath);
}
// Model colors
for(size_t i = 0; i < MODEL_COLORS; i++)
settings->FreezeColor("ModelColor_" + std::to_string(i), modelColor[i]);
// Light intensities
settings->FreezeFloat("LightIntensity_0", (float)lightIntensity[0]);
settings->FreezeFloat("LightIntensity_1", (float)lightIntensity[1]);
// Light directions
settings->FreezeFloat("LightDir_0_Right", (float)lightDir[0].x);
settings->FreezeFloat("LightDir_0_Up", (float)lightDir[0].y);
settings->FreezeFloat("LightDir_0_Forward", (float)lightDir[0].z);
settings->FreezeFloat("LightDir_1_Right", (float)lightDir[1].x);
settings->FreezeFloat("LightDir_1_Up", (float)lightDir[1].y);
settings->FreezeFloat("LightDir_1_Forward", (float)lightDir[1].z);
// Chord tolerance
settings->FreezeFloat("ChordTolerancePct", (float)chordTol);
// Max pwl segments to generate
settings->FreezeInt("MaxSegments", (uint32_t)maxSegments);
// Export Chord tolerance
settings->FreezeFloat("ExportChordTolerance", (float)exportChordTol);
// Export Max pwl segments to generate
settings->FreezeInt("ExportMaxSegments", (uint32_t)exportMaxSegments);
// View units
settings->FreezeInt("ViewUnits", (uint32_t)viewUnits);
// Number of digits after the decimal point
settings->FreezeInt("AfterDecimalMm", (uint32_t)afterDecimalMm);
settings->FreezeInt("AfterDecimalInch", (uint32_t)afterDecimalInch);
// Camera tangent (determines perspective)
settings->FreezeFloat("CameraTangent", (float)cameraTangent);
// Grid spacing
settings->FreezeFloat("GridSpacing", gridSpacing);
// Export scale
settings->FreezeFloat("ExportScale", exportScale);
// Export offset (cutter radius comp)
settings->FreezeFloat("ExportOffset", exportOffset);
// Rewrite exported colors close to white into black (assuming white bg)
settings->FreezeBool("FixExportColors", fixExportColors);
// Draw back faces of triangles (when mesh is leaky/self-intersecting)
settings->FreezeBool("DrawBackFaces", drawBackFaces);
// Draw closed polygons areas
settings->FreezeBool("ShowContourAreas", showContourAreas);
// Check that contours are closed and not self-intersecting
settings->FreezeBool("CheckClosedContour", checkClosedContour);
// Export shaded triangles in a 2d view
settings->FreezeBool("ExportShadedTriangles", exportShadedTriangles);
// Export pwl curves (instead of exact) always
settings->FreezeBool("ExportPwlCurves", exportPwlCurves);
// Background color on-screen
settings->FreezeColor("BackgroundColor", backgroundColor);
// Whether export canvas size is fixed or derived from bbox
settings->FreezeBool("ExportCanvasSizeAuto", exportCanvasSizeAuto);
// Margins for automatic canvas size
settings->FreezeFloat("ExportMargin_Left", exportMargin.left);
settings->FreezeFloat("ExportMargin_Right", exportMargin.right);
settings->FreezeFloat("ExportMargin_Bottom", exportMargin.bottom);
settings->FreezeFloat("ExportMargin_Top", exportMargin.top);
// Dimensions for fixed canvas size
settings->FreezeFloat("ExportCanvas_Width", exportCanvas.width);
settings->FreezeFloat("ExportCanvas_Height", exportCanvas.height);
settings->FreezeFloat("ExportCanvas_Dx", exportCanvas.dx);
settings->FreezeFloat("ExportCanvas_Dy", exportCanvas.dy);
// Extra parameters when exporting G code
settings->FreezeFloat("GCode_Depth", gCode.depth);
settings->FreezeInt("GCode_Passes", gCode.passes);
settings->FreezeFloat("GCode_Feed", gCode.feed);
settings->FreezeFloat("GCode_PlungeFeed", gCode.plungeFeed);
// Show toolbar in the graphics window
settings->FreezeBool("ShowToolbar", showToolbar);
// Autosave timer
settings->FreezeInt("AutosaveInterval", autosaveInterval);
// And the default styles, colors and line widths and such.
Style::FreezeDefaultStyles(settings);
Platform::ExitGui();
}
void SolveSpaceUI::ScheduleGenerateAll() {
timerGenerateAll->WindUp(0);
}
void SolveSpaceUI::ScheduleShowTW() {
timerShowTW->WindUp(0);
}
void SolveSpaceUI::ScheduleAutosave() {
timerAutosave->WindUp(autosaveInterval * 60 * 1000);
}
double SolveSpaceUI::MmPerUnit() {
switch(viewUnits) {
case Unit::INCHES: return 25.4;
case Unit::METERS: return 1000.0;
case Unit::MM: return 1.0;
}
return 1.0;
}
const char *SolveSpaceUI::UnitName() {
switch(viewUnits) {
case Unit::INCHES: return "inch";
case Unit::METERS: return "m";
case Unit::MM: return "mm";
}
return "";
}
std::string SolveSpaceUI::MmToString(double v) {
switch(viewUnits) {
case Unit::INCHES: return ssprintf("%.*f", afterDecimalInch, v / 25.4);
case Unit::METERS: return ssprintf("%.*f", afterDecimalMm, v / 1000.0);
case Unit::MM: return ssprintf("%.*f", afterDecimalMm, v);
}
return "";
}
double SolveSpaceUI::ExprToMm(Expr *e) {
return (e->Eval()) * MmPerUnit();
}
double SolveSpaceUI::StringToMm(const std::string &str) {
return std::stod(str) * MmPerUnit();
}
double SolveSpaceUI::ChordTolMm() {
if(exportMode) return ExportChordTolMm();
return chordTolCalculated;
}
double SolveSpaceUI::ExportChordTolMm() {
return exportChordTol / exportScale;
}
int SolveSpaceUI::GetMaxSegments() {
if(exportMode) return exportMaxSegments;
return maxSegments;
}
int SolveSpaceUI::UnitDigitsAfterDecimal() {
return (viewUnits == Unit::INCHES) ? afterDecimalInch : afterDecimalMm;
}
void SolveSpaceUI::SetUnitDigitsAfterDecimal(int v) {
if(viewUnits == Unit::INCHES) {
afterDecimalInch = v;
} else {
afterDecimalMm = v;
}
}
double SolveSpaceUI::CameraTangent() {
if(!usePerspectiveProj) {
return 0;
} else {
return cameraTangent;
}
}
void SolveSpaceUI::AfterNewFile() {
// Clear out the traced point, which is no longer valid
traced.point = Entity::NO_ENTITY;
traced.path.l.Clear();
// and the naked edges
nakedEdges.Clear();
// Quit export mode
justExportedInfo.draw = false;
centerOfMass.draw = false;
exportMode = false;
// GenerateAll() expects the view to be valid, because it uses that to
// fill in default values for extrusion depths etc. (which won't matter
// here, but just don't let it work on garbage)
SS.GW.offset = Vector::From(0, 0, 0);
SS.GW.projRight = Vector::From(1, 0, 0);
SS.GW.projUp = Vector::From(0, 1, 0);
GenerateAll(Generate::ALL);
GW.Init();
TW.Init();
unsaved = false;
GW.ZoomToFit();
// Create all the default styles; they'll get created on the fly anyways,
// but can't hurt to do it now.
Style::CreateAllDefaultStyles();
UpdateWindowTitles();
}
void SolveSpaceUI::AddToRecentList(const Platform::Path &filename) {
auto it = std::find_if(recentFiles.begin(), recentFiles.end(),
[&](const Platform::Path &p) { return p.Equals(filename); });
if(it != recentFiles.end()) {
recentFiles.erase(it);
}
if(recentFiles.size() > MAX_RECENT) {
recentFiles.erase(recentFiles.begin() + MAX_RECENT);
}
recentFiles.insert(recentFiles.begin(), filename);
GW.PopulateRecentFiles();
}
bool SolveSpaceUI::GetFilenameAndSave(bool saveAs) {
Platform::SettingsRef settings = Platform::GetSettings();
Platform::Path newSaveFile = saveFile;
if(saveAs || saveFile.IsEmpty()) {
Platform::FileDialogRef dialog = Platform::CreateSaveFileDialog(GW.window);
dialog->AddFilter(C_("file-type", "SolveSpace models"), { "slvs" });
dialog->ThawChoices(settings, "Sketch");
if(!newSaveFile.IsEmpty()) {
dialog->SetFilename(newSaveFile);
}
if(dialog->RunModal()) {
dialog->FreezeChoices(settings, "Sketch");
newSaveFile = dialog->GetFilename();
} else {
return false;
}
}
if(SaveToFile(newSaveFile)) {
AddToRecentList(newSaveFile);
RemoveAutosave();
saveFile = newSaveFile;
unsaved = false;
return true;
} else {
return false;
}
}
void SolveSpaceUI::Autosave()
{
ScheduleAutosave();
if(!saveFile.IsEmpty() && unsaved) {
SaveToFile(saveFile.WithExtension(AUTOSAVE_EXT));
}
}
void SolveSpaceUI::RemoveAutosave()
{
Platform::Path autosaveFile = saveFile.WithExtension(AUTOSAVE_EXT);
RemoveFile(autosaveFile);
}
bool SolveSpaceUI::OkayToStartNewFile() {
if(!unsaved) return true;
Platform::MessageDialogRef dialog = CreateMessageDialog(GW.window);
using Platform::MessageDialog;
dialog->SetType(MessageDialog::Type::QUESTION);
dialog->SetTitle(C_("title", "Modified File"));
if(!SolveSpace::SS.saveFile.IsEmpty()) {
dialog->SetMessage(ssprintf(C_("dialog", "Do you want to save the changes you made to "
"the sketch “%s”?"), saveFile.raw.c_str()));
} else {
dialog->SetMessage(C_("dialog", "Do you want to save the changes you made to "
"the new sketch?"));
}
dialog->SetDescription(C_("dialog", "Your changes will be lost if you don't save them."));
dialog->AddButton(C_("button", "&Save"), MessageDialog::Response::YES,
/*isDefault=*/true);
dialog->AddButton(C_("button", "Do&n't Save"), MessageDialog::Response::NO);
dialog->AddButton(C_("button", "&Cancel"), MessageDialog::Response::CANCEL);
switch(dialog->RunModal()) {
case MessageDialog::Response::YES:
return GetFilenameAndSave(/*saveAs=*/false);
case MessageDialog::Response::NO:
RemoveAutosave();
return true;
default:
return false;
}
}
void SolveSpaceUI::UpdateWindowTitles() {
if(!GW.window || !TW.window) return;
if(saveFile.IsEmpty()) {
GW.window->SetTitle(C_("title", "(new sketch)"));
} else {
if(!GW.window->SetTitleForFilename(saveFile)) {
GW.window->SetTitle(saveFile.raw);
}
}
TW.window->SetTitle(C_("title", "Property Browser"));
}
void SolveSpaceUI::MenuFile(Command id) {
Platform::SettingsRef settings = Platform::GetSettings();
switch(id) {
case Command::NEW:
if(!SS.OkayToStartNewFile()) break;
SS.saveFile.Clear();
SS.NewFile();
SS.AfterNewFile();
break;
case Command::OPEN: {
if(!SS.OkayToStartNewFile()) break;
Platform::FileDialogRef dialog = Platform::CreateOpenFileDialog(SS.GW.window);
dialog->AddFilters(Platform::SolveSpaceModelFileFilters);
dialog->ThawChoices(settings, "Sketch");
if(dialog->RunModal()) {
dialog->FreezeChoices(settings, "Sketch");
SS.Load(dialog->GetFilename());
}
break;
}
case Command::SAVE:
SS.GetFilenameAndSave(/*saveAs=*/false);
break;
case Command::SAVE_AS:
SS.GetFilenameAndSave(/*saveAs=*/true);
break;
case Command::EXPORT_IMAGE: {
Platform::FileDialogRef dialog = Platform::CreateSaveFileDialog(SS.GW.window);
dialog->AddFilters(Platform::RasterFileFilters);
dialog->ThawChoices(settings, "ExportImage");
if(dialog->RunModal()) {
dialog->FreezeChoices(settings, "ExportImage");
SS.ExportAsPngTo(dialog->GetFilename());
}
break;
}
case Command::EXPORT_VIEW: {
Platform::FileDialogRef dialog = Platform::CreateSaveFileDialog(SS.GW.window);
dialog->AddFilters(Platform::VectorFileFilters);
dialog->ThawChoices(settings, "ExportView");
if(!dialog->RunModal()) break;
dialog->FreezeChoices(settings, "ExportView");
// If the user is exporting something where it would be
// inappropriate to include the constraints, then warn.
if(SS.GW.showConstraints &&
(dialog->GetFilename().HasExtension("txt") ||
fabs(SS.exportOffset) > LENGTH_EPS))
{
Message(_("Constraints are currently shown, and will be exported "
"in the toolpath. This is probably not what you want; "
"hide them by clicking the link at the top of the "
"text window."));
}
SS.ExportViewOrWireframeTo(dialog->GetFilename(), /*exportWireframe=*/false);
break;
}
case Command::EXPORT_WIREFRAME: {
Platform::FileDialogRef dialog = Platform::CreateSaveFileDialog(SS.GW.window);
dialog->AddFilters(Platform::Vector3dFileFilters);
dialog->ThawChoices(settings, "ExportWireframe");
if(!dialog->RunModal()) break;
dialog->FreezeChoices(settings, "ExportWireframe");
SS.ExportViewOrWireframeTo(dialog->GetFilename(), /*exportWireframe*/true);
break;
}
case Command::EXPORT_SECTION: {
Platform::FileDialogRef dialog = Platform::CreateSaveFileDialog(SS.GW.window);
dialog->AddFilters(Platform::VectorFileFilters);
dialog->ThawChoices(settings, "ExportSection");
if(!dialog->RunModal()) break;
dialog->FreezeChoices(settings, "ExportSection");
SS.ExportSectionTo(dialog->GetFilename());
break;
}
case Command::EXPORT_MESH: {
Platform::FileDialogRef dialog = Platform::CreateSaveFileDialog(SS.GW.window);
dialog->AddFilters(Platform::MeshFileFilters);
dialog->ThawChoices(settings, "ExportMesh");
if(!dialog->RunModal()) break;
dialog->FreezeChoices(settings, "ExportMesh");
SS.ExportMeshTo(dialog->GetFilename());
break;
}
case Command::EXPORT_SURFACES: {
Platform::FileDialogRef dialog = Platform::CreateSaveFileDialog(SS.GW.window);
dialog->AddFilters(Platform::SurfaceFileFilters);
dialog->ThawChoices(settings, "ExportSurfaces");
if(!dialog->RunModal()) break;
dialog->FreezeChoices(settings, "ExportSurfaces");
StepFileWriter sfw = {};
sfw.ExportSurfacesTo(dialog->GetFilename());
break;
}
case Command::IMPORT: {
Platform::FileDialogRef dialog = Platform::CreateOpenFileDialog(SS.GW.window);
dialog->AddFilters(Platform::ImportFileFilters);
dialog->ThawChoices(settings, "Import");
if(!dialog->RunModal()) break;
dialog->FreezeChoices(settings, "Import");
Platform::Path importFile = dialog->GetFilename();
if(importFile.HasExtension("dxf")) {
ImportDxf(importFile);
} else if(importFile.HasExtension("dwg")) {
ImportDwg(importFile);
} else {
Error("Can't identify file type from file extension of "
"filename '%s'; try .dxf or .dwg.", importFile.raw.c_str());
}
SS.GenerateAll(SolveSpaceUI::Generate::UNTIL_ACTIVE);
SS.ScheduleShowTW();
break;
}
case Command::EXIT:
if(!SS.OkayToStartNewFile()) break;
SS.Exit();
break;
default: ssassert(false, "Unexpected menu ID");
}
SS.UpdateWindowTitles();
}
void SolveSpaceUI::MenuAnalyze(Command id) {
Platform::SettingsRef settings = Platform::GetSettings();
SS.GW.GroupSelection();
auto const &gs = SS.GW.gs;
switch(id) {
case Command::STEP_DIM:
if(gs.constraints == 1 && gs.n == 0) {
Constraint *c = SK.GetConstraint(gs.constraint[0]);
if(c->HasLabel() && !c->reference) {
SS.TW.shown.dimFinish = c->valA;
SS.TW.shown.dimSteps = 10;
SS.TW.shown.dimIsDistance =
(c->type != Constraint::Type::ANGLE) &&
(c->type != Constraint::Type::LENGTH_RATIO) &&
(c->type != Constraint::Type::LENGTH_DIFFERENCE);
SS.TW.shown.constraint = c->h;
SS.TW.shown.screen = TextWindow::Screen::STEP_DIMENSION;
// The step params are specified in the text window,
// so force that to be shown.
SS.GW.ForceTextWindowShown();
SS.ScheduleShowTW();
SS.GW.ClearSelection();
} else {
Error(_("Constraint must have a label, and must not be "
"a reference dimension."));
}
} else {
Error(_("Bad selection for step dimension; select a constraint."));
}
break;
case Command::NAKED_EDGES: {
ShowNakedEdges(/*reportOnlyWhenNotOkay=*/false);
break;
}
case Command::INTERFERENCE: {
SS.nakedEdges.Clear();
SMesh *m = &(SK.GetGroup(SS.GW.activeGroup)->displayMesh);
SKdNode *root = SKdNode::From(m);
bool inters, leaks;
root->MakeCertainEdgesInto(&(SS.nakedEdges),
EdgeKind::SELF_INTER, /*coplanarIsInter=*/false, &inters, &leaks);
SS.GW.Invalidate();
if(inters) {
Error("%d edges interfere with other triangles, bad.",
SS.nakedEdges.l.n);
} else {
Message(_("The assembly does not interfere, good."));
}
break;
}
case Command::CENTER_OF_MASS: {
SS.UpdateCenterOfMass();
SS.centerOfMass.draw = true;
SS.GW.Invalidate();
break;
}
case Command::VOLUME: {
SMesh *m = &(SK.GetGroup(SS.GW.activeGroup)->displayMesh);
double vol = 0;
int i;
for(i = 0; i < m->l.n; i++) {
STriangle tr = m->l.elem[i];
// Translate to place vertex A at (x, y, 0)
Vector trans = Vector::From(tr.a.x, tr.a.y, 0);
tr.a = (tr.a).Minus(trans);
tr.b = (tr.b).Minus(trans);
tr.c = (tr.c).Minus(trans);
// Rotate to place vertex B on the y-axis. Depending on
// whether the triangle is CW or CCW, C is either to the
// right or to the left of the y-axis. This handles the
// sign of our normal.
Vector u = Vector::From(-tr.b.y, tr.b.x, 0);
u = u.WithMagnitude(1);
Vector v = Vector::From(tr.b.x, tr.b.y, 0);
v = v.WithMagnitude(1);
Vector n = Vector::From(0, 0, 1);
tr.a = (tr.a).DotInToCsys(u, v, n);
tr.b = (tr.b).DotInToCsys(u, v, n);
tr.c = (tr.c).DotInToCsys(u, v, n);
n = tr.Normal().WithMagnitude(1);
// Triangles on edge don't contribute
if(fabs(n.z) < LENGTH_EPS) continue;
// The plane has equation p dot n = a dot n
double d = (tr.a).Dot(n);
// nx*x + ny*y + nz*z = d
// nz*z = d - nx*x - ny*y
double A = -n.x/n.z, B = -n.y/n.z, C = d/n.z;
double mac = tr.c.y/tr.c.x, mbc = (tr.c.y - tr.b.y)/tr.c.x;
double xc = tr.c.x, yb = tr.b.y;
// I asked Maple for
// int(int(A*x + B*y +C, y=mac*x..(mbc*x + yb)), x=0..xc);
double integral =
(1.0/3)*(
A*(mbc-mac)+
(1.0/2)*B*(mbc*mbc-mac*mac)
)*(xc*xc*xc)+
(1.0/2)*(A*yb+B*yb*mbc+C*(mbc-mac))*xc*xc+
C*yb*xc+
(1.0/2)*B*yb*yb*xc;
vol += integral;
}
std::string msg = ssprintf("The volume of the solid model is:\n\n"" %.3f %s^3",
vol / pow(SS.MmPerUnit(), 3),
SS.UnitName());
if(SS.viewUnits == Unit::MM) {
msg += ssprintf("\n %.2f mL", vol/(10*10*10));
}
msg += "\n\nCurved surfaces have been approximated as triangles.\n"
"This introduces error, typically of around 1%.";
Message("%s", msg.c_str());
break;
}
case Command::AREA: {
Group *g = SK.GetGroup(SS.GW.activeGroup);
if(g->polyError.how != PolyError::GOOD) {
Error(_("This group does not contain a correctly-formed "
"2d closed area. It is open, not coplanar, or self-"
"intersecting."));
break;
}
SEdgeList sel = {};
g->polyLoops.MakeEdgesInto(&sel);
SPolygon sp = {};
sel.AssemblePolygon(&sp, NULL, /*keepDir=*/true);
sp.normal = sp.ComputeNormal();
sp.FixContourDirections();
double area = sp.SignedArea();
double scale = SS.MmPerUnit();
Message("The area of the region sketched in this group is:\n\n"
" %.3f %s^2\n\n"
"Curves have been approximated as piecewise linear.\n"
"This introduces error, typically of around 1%%.",
area / (scale*scale),
SS.UnitName());
sel.Clear();
sp.Clear();
break;
}
case Command::PERIMETER: {
if(gs.n > 0 && gs.n == gs.entities) {
double perimeter = 0.0;
for(int i = 0; i < gs.entities; i++) {
Entity *e = SK.entity.FindById(gs.entity[i]);
SEdgeList *el = e->GetOrGenerateEdges();
for(const SEdge &e : el->l) {
perimeter += e.b.Minus(e.a).Magnitude();
}
}
double scale = SS.MmPerUnit();
Message("The total length of the selected entities is:\n\n"
" %.3f %s\n\n"
"Curves have been approximated as piecewise linear.\n"
"This introduces error, typically of around 1%%.",
perimeter / scale,
SS.UnitName());
} else {
Error(_("Bad selection for perimeter; select line segments, arcs, and curves."));
}
break;
}
case Command::SHOW_DOF:
// This works like a normal solve, except that it calculates
// which variables are free/bound at the same time.
SS.GenerateAll(SolveSpaceUI::Generate::ALL, /*andFindFree=*/true);
break;
case Command::TRACE_PT:
if(gs.points == 1 && gs.n == 1) {
SS.traced.point = gs.point[0];
SS.GW.ClearSelection();
} else {
Error(_("Bad selection for trace; select a single point."));
}
break;
case Command::STOP_TRACING: {
Platform::FileDialogRef dialog = Platform::CreateSaveFileDialog(SS.GW.window);
dialog->AddFilters(Platform::CsvFileFilters);
dialog->ThawChoices(settings, "Trace");
if(dialog->RunModal()) {
dialog->FreezeChoices(settings, "Trace");
FILE *f = OpenFile(dialog->GetFilename(), "wb");
if(f) {
int i;
SContour *sc = &(SS.traced.path);
for(i = 0; i < sc->l.n; i++) {
Vector p = sc->l.elem[i].p;
double s = SS.exportScale;
fprintf(f, "%.10f, %.10f, %.10f\r\n",
p.x/s, p.y/s, p.z/s);
}
fclose(f);
} else {
Error("Couldn't write to '%s'", dialog->GetFilename().raw.c_str());
}
}
// Clear the trace, and stop tracing
SS.traced.point = Entity::NO_ENTITY;
SS.traced.path.l.Clear();
SS.GW.Invalidate();
break;
}
default: ssassert(false, "Unexpected menu ID");
}
}
void SolveSpaceUI::ShowNakedEdges(bool reportOnlyWhenNotOkay) {
SS.nakedEdges.Clear();
Group *g = SK.GetGroup(SS.GW.activeGroup);
SMesh *m = &(g->displayMesh);
SKdNode *root = SKdNode::From(m);
bool inters, leaks;
root->MakeCertainEdgesInto(&(SS.nakedEdges),
EdgeKind::NAKED_OR_SELF_INTER, /*coplanarIsInter=*/true, &inters, &leaks);
if(reportOnlyWhenNotOkay && !inters && !leaks && SS.nakedEdges.l.n == 0) {
return;
}
SS.GW.Invalidate();
const char *intersMsg = inters ?
"The mesh is self-intersecting (NOT okay, invalid)." :
"The mesh is not self-intersecting (okay, valid).";
const char *leaksMsg = leaks ?
"The mesh has naked edges (NOT okay, invalid)." :
"The mesh is watertight (okay, valid).";
std::string cntMsg = ssprintf("\n\nThe model contains %d triangles, from "
"%d surfaces.", g->displayMesh.l.n, g->runningShell.surface.n);
if(SS.nakedEdges.l.n == 0) {
Message("%s\n\n%s\n\nZero problematic edges, good.%s",
intersMsg, leaksMsg, cntMsg.c_str());
} else {
Error("%s\n\n%s\n\n%d problematic edges, bad.%s",
intersMsg, leaksMsg, SS.nakedEdges.l.n, cntMsg.c_str());
}
}
void SolveSpaceUI::MenuHelp(Command id) {
switch(id) {
case Command::WEBSITE:
Platform::OpenInBrowser("http://solvespace.com/helpmenu");
break;
case Command::ABOUT:
Message(
"This is SolveSpace version " PACKAGE_VERSION ".\n"
"\n"
"For more information, see http://solvespace.com/\n"
"\n"
"SolveSpace is free software: you are free to modify\n"
"and/or redistribute it under the terms of the GNU\n"
"General Public License (GPL) version 3 or later.\n"
"\n"
"There is NO WARRANTY, to the extent permitted by\n"
"law. For details, visit http://gnu.org/licenses/\n"
"\n"
"© 2008-2016 Jonathan Westhues and other authors.\n"
);
break;
default: ssassert(false, "Unexpected menu ID");
}
}
void SolveSpaceUI::Clear() {
sys.Clear();
for(int i = 0; i < MAX_UNDO; i++) {
if(i < undo.cnt) undo.d[i].Clear();
if(i < redo.cnt) redo.d[i].Clear();
}
TW.window = NULL;
GW.openRecentMenu = NULL;
GW.linkRecentMenu = NULL;
GW.showGridMenuItem = NULL;
GW.perspectiveProjMenuItem = NULL;
GW.showToolbarMenuItem = NULL;
GW.showTextWndMenuItem = NULL;
GW.fullScreenMenuItem = NULL;
GW.unitsMmMenuItem = NULL;
GW.unitsMetersMenuItem = NULL;
GW.unitsInchesMenuItem = NULL;
GW.inWorkplaneMenuItem = NULL;
GW.in3dMenuItem = NULL;
GW.undoMenuItem = NULL;
GW.redoMenuItem = NULL;
GW.window = NULL;
}
void Sketch::Clear() {
group.Clear();
groupOrder.Clear();
constraint.Clear();
request.Clear();
style.Clear();
entity.Clear();
param.Clear();
}
BBox Sketch::CalculateEntityBBox(bool includingInvisible) {
BBox box = {};
bool first = true;
auto includePoint = [&](const Vector &point) {
if(first) {
box.minp = point;
box.maxp = point;
first = false;
} else {
box.Include(point);
}
};
for(const Entity &e : entity) {
if(e.construction) continue;
if(!(includingInvisible || e.IsVisible())) continue;
if(e.IsPoint()) {
includePoint(e.PointGetNum());
continue;
}
switch(e.type) {
// Circles and arcs are special cases. We calculate their bounds
// based on Bezier curve bounds. This is not exact for arcs,
// but the implementation is rather simple.
case Entity::Type::CIRCLE:
case Entity::Type::ARC_OF_CIRCLE: {
SBezierList sbl = {};
e.GenerateBezierCurves(&sbl);
for(const SBezier &sb : sbl.l) {
for(int j = 0; j <= sb.deg; j++) {
includePoint(sb.ctrl[j]);
}
}
sbl.Clear();
continue;
}
default:
continue;
}
}
return box;
}
Group *Sketch::GetRunningMeshGroupFor(hGroup h) {
Group *g = GetGroup(h);
while(g != NULL) {
if(g->IsMeshGroup()) {
return g;
}
g = g->PreviousGroup();
}
return NULL;
}
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