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view.cpp
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174 lines (150 loc) · 6.04 KB
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//-----------------------------------------------------------------------------
// The View menu, stuff to snap to certain special views of the model, and to
// display our current view of the model to the user.
//
// Copyright 2008-2013 Jonathan Westhues.
//-----------------------------------------------------------------------------
#include "solvespace.h"
namespace SolveSpace {
void TextWindow::ShowEditView() {
Printf(true, "%Ft3D VIEW PARAMETERS%E");
Printf(true, "%Bd %Ftoverall scale factor%E");
Printf(false, "%Ba %# px/%s %Fl%Ll%f[edit]%E",
SS.GW.scale * SS.MmPerUnit(),
SS.UnitName(),
&ScreenChangeViewScale);
Printf(false, "%Bd %Fl%Ll%fset to full scale%E",
&ScreenChangeViewToFullScale);
Printf(false, "");
Printf(false, "%Bd %Ftorigin (maps to center of screen)%E");
Printf(false, "%Ba (%s, %s, %s) %Fl%Ll%f[edit]%E",
SS.MmToString(-SS.GW.offset.x).c_str(),
SS.MmToString(-SS.GW.offset.y).c_str(),
SS.MmToString(-SS.GW.offset.z).c_str(),
&ScreenChangeViewOrigin);
Printf(false, "");
Vector n = (SS.GW.projRight).Cross(SS.GW.projUp);
Printf(false, "%Bd %Ftprojection onto screen%E");
Printf(false, "%Ba %Ftright%E (%3, %3, %3) %Fl%Ll%f[edit]%E",
CO(SS.GW.projRight),
&ScreenChangeViewProjection);
Printf(false, "%Bd %Ftup%E (%3, %3, %3)", CO(SS.GW.projUp));
Printf(false, "%Ba %Ftout%E (%3, %3, %3)", CO(n));
Printf(false, "");
Printf(false, "%Ft perspective factor (0 for parallel)%E");
Printf(false, "%Ba %# %Fl%Ll%f%D[change]%E",
SS.cameraTangent*1000,
&ScreenChangeCameraTangent, 0);
Printf(false, "");
Printf(false, "%Ft light direction intensity");
for(int i = 0; i < 2; i++) {
Printf(false, "%Bp #%d (%2,%2,%2)%Fl%D%f%Ll[c]%E "
"%2 %Fl%D%f%Ll[c]%E",
(i & 1) ? 'd' : 'a', i,
CO(SS.lightDir[i]), i, &ScreenChangeLightDirection,
SS.lightIntensity[i], i, &ScreenChangeLightIntensity);
}
Printf(false, "%Ba
A637
ambient lighting %2 %Fl%f%Ll[c]%E",
SS.ambientIntensity, &ScreenChangeLightAmbient);
Printf(false, "");
Printf(false, "%Ft explode distance%E");
Printf(false, "%Ba %s %Fl%Ll%f%D[change]%E",
SS.MmToString(SS.explodeDistance).c_str(),
&ScreenChangeExplodeDistance, 0);
}
void TextWindow::ScreenChangeViewScale(int link, uint32_t v) {
SS.TW.edit.meaning = Edit::VIEW_SCALE;
SS.TW.ShowEditControl(3, ssprintf("%.3f", SS.GW.scale * SS.MmPerUnit()));
}
void TextWindow::ScreenChangeViewToFullScale(int link, uint32_t v) {
SS.GW.scale = SS.GW.window->GetPixelDensity() / 25.4;
}
void TextWindow::ScreenChangeViewOrigin(int link, uint32_t v) {
std::string edit_value =
ssprintf("%s, %s, %s",
SS.MmToString(-SS.GW.offset.x, true).c_str(),
SS.MmToString(-SS.GW.offset.y, true).c_str(),
SS.MmToString(-SS.GW.offset.z, true).c_str());
SS.TW.edit.meaning = Edit::VIEW_ORIGIN;
SS.TW.ShowEditControl(3, edit_value);
}
void TextWindow::ScreenChangeViewProjection(int link, uint32_t v) {
std::string edit_value =
ssprintf("%.3f, %.3f, %.3f", CO(SS.GW.projRight));
SS.TW.edit.meaning = Edit::VIEW_PROJ_RIGHT;
SS.TW.ShowEditControl(10, edit_value);
}
void TextWindow::ScreenChangeLightDirection(int link, uint32_t v) {
SS.TW.ShowEditControl(8, ssprintf("%.2f, %.2f, %.2f", CO(SS.lightDir[v])));
SS.TW.edit.meaning = Edit::LIGHT_DIRECTION;
SS.TW.edit.i = v;
}
void TextWindow::ScreenChangeLightIntensity(int link, uint32_t v) {
SS.TW.ShowEditControl(31, ssprintf("%.2f", SS.lightIntensity[v]));
SS.TW.edit.meaning = Edit::LIGHT_INTENSITY;
SS.TW.edit.i = v;
}
void TextWindow::ScreenChangeLightAmbient(int link, uint32_t v) {
SS.TW.ShowEditControl(31, ssprintf("%.2f", SS.ambientIntensity));
SS.TW.edit.meaning = Edit::LIGHT_AMBIENT;
SS.TW.edit.i = 0;
}
void TextWindow::ScreenChangeCameraTangent(int link, uint32_t v) {
SS.TW.ShowEditControl(3, ssprintf("%.3f", 1000*SS.cameraTangent));
SS.TW.edit.meaning = Edit::CAMERA_TANGENT;
}
void TextWindow::ScreenChangeExplodeDistance(int link, uint32_t v) {
SS.TW.ShowEditControl(3, SS.MmToString(SS.explodeDistance, true));
SS.TW.edit.meaning = Edit::EXPLODE_DISTANCE;
}
bool TextWindow::EditControlDoneForView(const std::string &s) {
switch(edit.meaning) {
case Edit::VIEW_SCALE: {
Expr *e = Expr::From(s, /*popUpError=*/true);
if(e) {
double v = e->Eval() / SS.MmPerUnit();
if(v > LENGTH_EPS) {
SS.GW.scale = v;
} else {
Error(_("Scale cannot be zero or negative."));
}
}
break;
}
case Edit::VIEW_ORIGIN: {
Vector pt;
if(sscanf(s.c_str(), "%lf, %lf, %lf", &pt.x, &pt.y, &pt.z) == 3) {
pt = pt.ScaledBy(SS.MmPerUnit());
SS.GW.offset = pt.ScaledBy(-1);
} else {
Error(_("Bad format: specify x, y, z"));
}
break;
}
case Edit::VIEW_PROJ_RIGHT:
case Edit::VIEW_PROJ_UP: {
Vector pt;
if(sscanf(s.c_str(), "%lf, %lf, %lf", &pt.x, &pt.y, &pt.z) != 3) {
Error(_("Bad format: specify x, y, z"));
break;
}
if(edit.meaning == Edit::VIEW_PROJ_RIGHT) {
SS.GW.projRight = pt;
SS.GW.NormalizeProjectionVectors();
edit.meaning = Edit::VIEW_PROJ_UP;
HideEditControl();
ShowEditControl(10, ssprintf("%.3f, %.3f, %.3f", CO(SS.GW.projUp)),
editControl.halfRow + 2);
edit.showAgain = true;
} else {
SS.GW.projUp = pt;
SS.GW.NormalizeProjectionVectors();
}
break;
}
default:
return false;
}
return true;
}
} // namespace SolveSpace