123 lines
4.2 KiB
C++
123 lines
4.2 KiB
C++
//-----------------------------------------------------------------------------
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// The View menu, stuff to snap to certain special vews of the model, and to
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// display our current view of the model to the user.
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//
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// Copyright 2008-2013 Jonathan Westhues.
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//-----------------------------------------------------------------------------
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#include "solvespace.h"
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void TextWindow::ShowEditView() {
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Printf(true, "%Ft3D VIEW PARAMETERS%E");
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Printf(true, "%Bd %Ftoverall scale factor%E");
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Printf(false, "%Ba %# px/%s %Fl%Ll%f[edit]%E",
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SS.GW.scale * SS.MmPerUnit(),
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SS.UnitName(),
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&ScreenChangeViewScale);
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Printf(false, "%Bd %Fl%Ll%fset to full scale%E",
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&ScreenChangeViewToFullScale);
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Printf(false, "");
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Printf(false, "%Bd %Ftorigin (maps to center of screen)%E");
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Printf(false, "%Ba (%s, %s, %s) %Fl%Ll%f[edit]%E",
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SS.MmToString(-SS.GW.offset.x).c_str(),
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SS.MmToString(-SS.GW.offset.y).c_str(),
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SS.MmToString(-SS.GW.offset.z).c_str(),
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&ScreenChangeViewOrigin);
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Printf(false, "");
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Vector n = (SS.GW.projRight).Cross(SS.GW.projUp);
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Printf(false, "%Bd %Ftprojection onto screen%E");
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Printf(false, "%Ba %Ftright%E (%3, %3, %3) %Fl%Ll%f[edit]%E",
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CO(SS.GW.projRight),
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&ScreenChangeViewProjection);
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Printf(false, "%Bd %Ftup%E (%3, %3, %3)", CO(SS.GW.projUp));
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Printf(false, "%Ba %Ftout%E (%3, %3, %3)", CO(n));
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Printf(false, "");
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Printf(false, "The perspective may be changed in the");
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Printf(false, "configuration screen.");
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}
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void TextWindow::ScreenChangeViewScale(int link, uint32_t v) {
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SS.TW.edit.meaning = Edit::VIEW_SCALE;
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SS.TW.ShowEditControl(3, ssprintf("%.3f", SS.GW.scale * SS.MmPerUnit()));
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}
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void TextWindow::ScreenChangeViewToFullScale(int link, uint32_t v) {
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SS.GW.scale = SS.GW.window->GetPixelDensity() / 25.4;
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}
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void TextWindow::ScreenChangeViewOrigin(int link, uint32_t v) {
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std::string edit_value =
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ssprintf("%s, %s, %s",
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SS.MmToString(-SS.GW.offset.x).c_str(),
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SS.MmToString(-SS.GW.offset.y).c_str(),
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SS.MmToString(-SS.GW.offset.z).c_str());
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SS.TW.edit.meaning = Edit::VIEW_ORIGIN;
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SS.TW.ShowEditControl(3, edit_value);
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}
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void TextWindow::ScreenChangeViewProjection(int link, uint32_t v) {
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std::string edit_value =
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ssprintf("%.3f, %.3f, %.3f", CO(SS.GW.projRight));
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SS.TW.edit.meaning = Edit::VIEW_PROJ_RIGHT;
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SS.TW.ShowEditControl(10, edit_value);
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}
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bool TextWindow::EditControlDoneForView(const std::string &s) {
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switch(edit.meaning) {
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case Edit::VIEW_SCALE: {
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Expr *e = Expr::From(s, /*popUpError=*/true);
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if(e) {
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double v = e->Eval() / SS.MmPerUnit();
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if(v > LENGTH_EPS) {
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SS.GW.scale = v;
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} else {
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Error(_("Scale cannot be zero or negative."));
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}
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}
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break;
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}
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case Edit::VIEW_ORIGIN: {
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Vector pt;
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if(sscanf(s.c_str(), "%lf, %lf, %lf", &pt.x, &pt.y, &pt.z) == 3) {
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pt = pt.ScaledBy(SS.MmPerUnit());
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SS.GW.offset = pt.ScaledBy(-1);
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} else {
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Error(_("Bad format: specify x, y, z"));
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}
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break;
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}
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case Edit::VIEW_PROJ_RIGHT:
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case Edit::VIEW_PROJ_UP: {
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Vector pt;
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if(sscanf(s.c_str(), "%lf, %lf, %lf", &pt.x, &pt.y, &pt.z) != 3) {
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Error(_("Bad format: specify x, y, z"));
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break;
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}
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if(edit.meaning == Edit::VIEW_PROJ_RIGHT) {
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SS.GW.projRight = pt;
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SS.GW.NormalizeProjectionVectors();
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edit.meaning = Edit::VIEW_PROJ_UP;
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HideEditControl();
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ShowEditControl(10, ssprintf("%.3f, %.3f, %.3f", CO(SS.GW.projUp)),
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editControl.halfRow + 2);
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edit.showAgain = true;
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} else {
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SS.GW.projUp = pt;
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SS.GW.NormalizeProjectionVectors();
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}
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break;
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}
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default:
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return false;
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}
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return true;
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}
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