273339d5c4
version of the code from SketchFlat, with all arbitrary limits removed. The TTF text is its own entity, and that entity includes the font file basename and the text. That's an extra 128 bytes in the entity, which is around a 50% increase, kind of a shame. It was simple, though. [git-p4: depot-paths = "//depot/solvespace/": change = 1814]
561 lines
21 KiB
C++
561 lines
21 KiB
C++
#include "solvespace.h"
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#define mView (&GraphicsWindow::MenuView)
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#define mEdit (&GraphicsWindow::MenuEdit)
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#define mReq (&GraphicsWindow::MenuRequest)
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#define mCon (&Constraint::MenuConstrain)
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#define mFile (&SolveSpace::MenuFile)
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#define mGrp (&Group::MenuGroup)
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#define S 0x100
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#define C 0x200
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const GraphicsWindow::MenuEntry GraphicsWindow::menu[] = {
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{ 0, "&File", 0, NULL },
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{ 1, "&New\tCtrl+N", MNU_NEW, 'N'|C, mFile },
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{ 1, "&Open...\tCtrl+O", MNU_OPEN, 'O'|C, mFile },
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{10, "&Open Recent", MNU_OPEN_RECENT, 0, mFile },
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{ 1, "&Save\tCtrl+S", MNU_SAVE, 'S'|C, mFile },
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{ 1, "Save &As...", MNU_SAVE_AS, 0, mFile },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "&Export Image...", MNU_EXPORT_PNG, 0, mFile },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "E&xit", MNU_EXIT, 0, mFile },
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{ 0, "&Edit", 0, NULL },
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{ 1, "&Undo\tCtrl+Z", MNU_UNDO, 'Z'|C, mEdit },
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{ 1, "&Redo\tCtrl+Y", MNU_REDO, 'Y'|C, mEdit },
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{ 1, NULL, 0, NULL },
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{ 1, "&Delete\tDel", MNU_DELETE, 127, mEdit },
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{ 1, NULL, 0, NULL },
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{ 1, "&Unselect All\tEsc", MNU_UNSELECT_ALL, 27, mEdit },
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{ 0, "&View", 0, NULL },
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{ 1, "Zoom &In\t+", MNU_ZOOM_IN, '+', mView },
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{ 1, "Zoom &Out\t-", MNU_ZOOM_OUT, '-', mView },
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{ 1, "Zoom To &Fit\tF", MNU_ZOOM_TO_FIT, 'F', mView },
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{ 1, NULL, 0, NULL },
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{ 1, "Show Text &Window\tTab", MNU_SHOW_TEXT_WND, '\t', mView },
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{ 1, NULL, 0, NULL },
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{ 1, "Dimensions in &Inches", MNU_UNITS_INCHES, 0, mView },
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{ 1, "Dimensions in &Millimeters", MNU_UNITS_MM, 0, mView },
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{ 0, "&New Group", 0, 0, NULL },
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{ 1, "&Drawing in 3d\tShift+Ctrl+D", MNU_GROUP_3D, 'D'|S|C,mGrp },
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{ 1, "Drawing in Workplane\tShift+Ctrl+W", MNU_GROUP_WRKPL, 'W'|S|C,mGrp },
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{ 1, NULL, 0, NULL },
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{ 1, "Step &Translating\tShift+Ctrl+R", MNU_GROUP_TRANS, 'T'|S|C,mGrp },
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{ 1, "Step &Rotating\tShift+Ctrl+T", MNU_GROUP_ROT, 'R'|S|C,mGrp },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "E&xtrude\tShift+Ctrl+X", MNU_GROUP_EXTRUDE, 'X'|S|C,mGrp },
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{ 1, "&Lathe\tShift+Ctrl+L", MNU_GROUP_LATHE, 'L'|S|C,mGrp },
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{ 1, "&Sweep\tShift+Ctrl+S", MNU_GROUP_SWEEP, 'S'|S|C,mGrp },
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{ 1, "&Helical Sweep\tShift+Ctrl+H", MNU_GROUP_HELICAL, 'H'|S|C,mGrp },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "Import / Assemble...\tShift+Ctrl+I", MNU_GROUP_IMPORT, 'I'|S|C,mGrp },
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{11, "Import Recent", MNU_GROUP_RECENT, 0, mGrp },
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{ 0, "&Request", 0, NULL },
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{ 1, "Draw in &Workplane\tW", MNU_SEL_WORKPLANE, 'W', mReq },
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{ 1, "Draw Anywhere in 3d\tQ", MNU_FREE_IN_3D, 'Q', mReq },
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{ 1, NULL, 0, NULL },
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{ 1, "Datum &Point\tP", MNU_DATUM_POINT, 'P', mReq },
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{ 1, "&Workplane (Coordinate S&ystem)\tY", MNU_WORKPLANE, 'Y', mReq },
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{ 1, NULL, 0, NULL },
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{ 1, "Line &Segment\tS", MNU_LINE_SEGMENT, 'S', mReq },
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{ 1, "&Rectangle\tR", MNU_RECTANGLE, 'R', mReq },
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{ 1, "&Circle\tC", MNU_CIRCLE, 'C', mReq },
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{ 1, "&Arc of a Circle\tA", MNU_ARC, 'A', mReq },
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{ 1, "&Cubic Segment\t3", MNU_CUBIC, '3', mReq },
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{ 1, NULL, 0, NULL },
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{ 1, "&Text in TrueType Font\tT", MNU_TTF_TEXT, 'T', mReq },
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{ 1, NULL, 0, NULL },
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{ 1, "To&ggle Construction\tG", MNU_CONSTRUCTION, 'G', mReq },
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{ 0, "&Constrain", 0, NULL },
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{ 1, "&Distance / Diameter\tShift+D", MNU_DISTANCE_DIA, 'D'|S, mCon },
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{ 1, "A&ngle\tShift+N", MNU_ANGLE, 'N'|S, mCon },
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{ 1, "Other S&upplementary Angle\tShift+U", MNU_OTHER_ANGLE, 'U'|S, mCon },
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{ 1, "Toggle &Reference Dim\tShift+R", MNU_REFERENCE, 'R'|S, mCon },
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{ 1, NULL, 0, NULL },
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{ 1, "&Horizontal\tShift+H", MNU_HORIZONTAL, 'H'|S, mCon },
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{ 1, "&Vertical\tShift+V", MNU_VERTICAL, 'V'|S, mCon },
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{ 1, NULL, 0, NULL },
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{ 1, "&On Point / Curve / Plane\tShift+O", MNU_ON_ENTITY, 'O'|S, mCon },
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{ 1, "E&qual Length / Radius\tShift+Q", MNU_EQUAL, 'Q'|S, mCon },
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{ 1, "Length Ra&tio\tShift+T", MNU_RATIO, 'T'|S, mCon },
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{ 1, "At &Midpoint\tShift+M", MNU_AT_MIDPOINT, 'M'|S, mCon },
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{ 1, "S&ymmetric\tShift+Y", MNU_SYMMETRIC, 'Y'|S, mCon },
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{ 1, "Para&llel\tShift+L", MNU_PARALLEL, 'L'|S, mCon },
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{ 1, "Same Orient&ation\tShift+A", MNU_ORIENTED_SAME, 'A'|S, mCon },
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{ 1, NULL, 0, NULL },
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{ 1, "Comment\tShift+C", MNU_COMMENT, 'C'|S, mCon },
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{ 1, NULL, 0, NULL },
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{ 1, "Solve Once Now\tSpace", MNU_SOLVE_NOW, ' ', mCon },
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{ 0, "&Help", 0, NULL },
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{ 1, "&About\t", 0, NULL },
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{ -1 },
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};
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void GraphicsWindow::Init(void) {
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memset(this, 0, sizeof(*this));
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scale = 5;
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offset = Vector::From(0, 0, 0);
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projRight = Vector::From(1, 0, 0);
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projUp = Vector::From(0, 1, 0);
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// And with the last group active
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activeGroup = SS.group.elem[SS.group.n-1].h;
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SS.GetGroup(activeGroup)->Activate();
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showWorkplanes = false;
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showNormals = true;
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showPoints = true;
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showConstraints = true;
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showHdnLines = false;
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showShaded = true;
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showMesh = false;
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showTextWindow = true;
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ShowTextWindow(showTextWindow);
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// Do this last, so that all the menus get updated correctly.
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EnsureValidActives();
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}
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void GraphicsWindow::NormalizeProjectionVectors(void) {
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Vector norm = projRight.Cross(projUp);
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projUp = norm.Cross(projRight);
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projUp = projUp.ScaledBy(1/projUp.Magnitude());
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projRight = projRight.ScaledBy(1/projRight.Magnitude());
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}
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//-----------------------------------------------------------------------------
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// Project a point in model space to screen space, exactly as gl would; return
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// units are pixels.
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//-----------------------------------------------------------------------------
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Point2d GraphicsWindow::ProjectPoint(Vector p) {
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Vector p3 = ProjectPoint3(p);
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Point2d p2 = { p3.x, p3.y };
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return p2;
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}
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//-----------------------------------------------------------------------------
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// Project a point in model space to screen space, exactly as gl would; return
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// units are pixels. The z coordinate is also returned, also in pixels.
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//-----------------------------------------------------------------------------
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Vector GraphicsWindow::ProjectPoint3(Vector p) {
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double w;
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Vector r = ProjectPoint4(p, &w);
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return r.ScaledBy(scale/w);
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}
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//-----------------------------------------------------------------------------
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// Project a point in model space halfway into screen space. The scale is
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// not applied, and the perspective divide isn't applied; instead the w
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// coordinate is returned separately.
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//-----------------------------------------------------------------------------
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Vector GraphicsWindow::ProjectPoint4(Vector p, double *w) {
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p = p.Plus(offset);
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Vector r;
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r.x = p.Dot(projRight);
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r.y = p.Dot(projUp);
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r.z = p.Dot(projUp.Cross(projRight));
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*w = 1 + r.z*SS.cameraTangent*scale;
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return r;
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}
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void GraphicsWindow::AnimateOntoWorkplane(void) {
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if(!LockedInWorkplane()) return;
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Entity *w = SS.GetEntity(ActiveWorkplane());
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Quaternion quatf = w->Normal()->NormalGetNum();
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Vector offsetf = (SS.GetEntity(w->point[0])->PointGetNum()).ScaledBy(-1);
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// Get our initial orientation and translation.
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Quaternion quat0 = Quaternion::From(projRight, projUp);
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Vector offset0 = offset;
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// Make sure we take the shorter of the two possible paths.
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double mp = (quatf.Minus(quat0)).Magnitude();
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double mm = (quatf.Plus(quat0)).Magnitude();
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if(mp > mm) {
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quatf = quatf.ScaledBy(-1);
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mp = mm;
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}
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double mo = (offset0.Minus(offsetf)).Magnitude()*scale;
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// Animate transition, unless it's a tiny move.
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SDWORD dt = (mp < 0.01 && mo < 10) ? (-20) :
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(SDWORD)(100 + 1000*mp + 0.4*mo);
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SDWORD tn, t0 = GetMilliseconds();
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double s = 0;
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Quaternion dq = quatf.Times(quat0.Inverse());
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do {
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offset = (offset0.ScaledBy(1 - s)).Plus(offsetf.ScaledBy(s));
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Quaternion quat = (dq.ToThe(s)).Times(quat0);
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quat = quat.WithMagnitude(1);
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projRight = quat.RotationU();
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projUp = quat.RotationV();
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PaintGraphics();
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tn = GetMilliseconds();
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s = (tn - t0)/((double)dt);
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} while((tn - t0) < dt);
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projRight = quatf.RotationU();
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projUp = quatf.RotationV();
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offset = offsetf;
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InvalidateGraphics();
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}
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void GraphicsWindow::HandlePointForZoomToFit(Vector p,
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Point2d *pmax, Point2d *pmin, double *wmin, bool div)
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{
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double w;
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Vector pp = ProjectPoint4(p, &w);
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if(div) {
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pp = pp.ScaledBy(1.0/w);
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}
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pmax->x = max(pmax->x, pp.x);
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pmax->y = max(pmax->y, pp.y);
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pmin->x = min(pmin->x, pp.x);
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pmin->y = min(pmin->y, pp.y);
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*wmin = min(*wmin, w);
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}
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void GraphicsWindow::LoopOverPoints(
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Point2d *pmax, Point2d *pmin, double *wmin, bool div)
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{
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HandlePointForZoomToFit(Vector::From(0, 0, 0), pmax, pmin, wmin, div);
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int i, j;
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for(i = 0; i < SS.entity.n; i++) {
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Entity *e = &(SS.entity.elem[i]);
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if(!e->IsPoint()) continue;
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if(!e->IsVisible()) continue;
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HandlePointForZoomToFit(e->PointGetNum(), pmax, pmin, wmin, div);
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}
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Group *g = SS.GetGroup(activeGroup);
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for(i = 0; i < g->runningMesh.l.n; i++) {
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STriangle *tr = &(g->runningMesh.l.elem[i]);
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HandlePointForZoomToFit(tr->a, pmax, pmin, wmin, div);
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HandlePointForZoomToFit(tr->b, pmax, pmin, wmin, div);
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HandlePointForZoomToFit(tr->c, pmax, pmin, wmin, div);
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}
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for(i = 0; i < g->poly.l.n; i++) {
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SContour *sc = &(g->poly.l.elem[i]);
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for(j = 0; j < sc->l.n; j++) {
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HandlePointForZoomToFit(sc->l.elem[j].p, pmax, pmin, wmin, div);
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}
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}
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}
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void GraphicsWindow::ZoomToFit(void) {
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// On the first run, ignore perspective.
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Point2d pmax = { -1e12, -1e12 }, pmin = { 1e12, 1e12 };
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double wmin = 1;
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LoopOverPoints(&pmax, &pmin, &wmin, false);
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double xm = (pmax.x + pmin.x)/2, ym = (pmax.y + pmin.y)/2;
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double dx = pmax.x - pmin.x, dy = pmax.y - pmin.y;
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offset = offset.Plus(projRight.ScaledBy(-xm)).Plus(
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projUp. ScaledBy(-ym));
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// And based on this, we calculate the scale and offset
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if(dx == 0 && dy == 0) {
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scale = 5;
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} else {
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double scalex = 1e12, scaley = 1e12;
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if(dx != 0) scalex = 0.9*width /dx;
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if(dy != 0) scaley = 0.9*height/dy;
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scale = min(scalex, scaley);
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scale = min(100, scale);
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scale = max(0.001, scale);
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}
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// Then do another run, considering the perspective.
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pmax.x = -1e12; pmax.y = -1e12;
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pmin.x = 1e12; pmin.y = 1e12;
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wmin = 1;
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LoopOverPoints(&pmax, &pmin, &wmin, true);
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// Adjust the scale so that no points are behind the camera
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if(wmin < 0.1) {
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double k = SS.cameraTangent;
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// w = 1+k*scale*z
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double zmin = (wmin - 1)/(k*scale);
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// 0.1 = 1 + k*scale*zmin
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// (0.1 - 1)/(k*zmin) = scale
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scale = min(scale, (0.1 - 1)/(k*zmin));
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}
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}
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void GraphicsWindow::MenuView(int id) {
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switch(id) {
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case MNU_ZOOM_IN:
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SS.GW.scale *= 1.2;
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break;
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case MNU_ZOOM_OUT:
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SS.GW.scale /= 1.2;
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break;
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case MNU_ZOOM_TO_FIT:
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SS.GW.ZoomToFit();
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break;
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case MNU_SHOW_TEXT_WND:
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SS.GW.showTextWindow = !SS.GW.showTextWindow;
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SS.GW.EnsureValidActives();
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break;
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case MNU_UNITS_MM:
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SS.viewUnits = SolveSpace::UNIT_MM;
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SS.later.showTW = true;
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SS.GW.EnsureValidActives();
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break;
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case MNU_UNITS_INCHES:
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SS.viewUnits = SolveSpace::UNIT_INCHES;
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SS.later.showTW = true;
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SS.GW.EnsureValidActives();
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break;
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default: oops();
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}
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InvalidateGraphics();
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}
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void GraphicsWindow::EnsureValidActives(void) {
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bool change = false;
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// The active group must exist, and not be the references.
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Group *g = SS.group.FindByIdNoOops(activeGroup);
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if((!g) || (g->h.v == Group::HGROUP_REFERENCES.v)) {
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int i;
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for(i = 0; i < SS.group.n; i++) {
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if(SS.group.elem[i].h.v != Group::HGROUP_REFERENCES.v) {
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break;
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}
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}
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if(i >= SS.group.n) {
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// This can happen if the user deletes all the groups in the
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// sketch. It's difficult to prevent that, because the last
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// group might have been deleted automatically, because it failed
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// a dependency. There needs to be something, so create a plane
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// drawing group and activate that. They should never be able
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// to delete the references, though.
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activeGroup = SS.CreateDefaultDrawingGroup();
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} else {
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activeGroup = SS.group.elem[i].h;
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}
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SS.GetGroup(activeGroup)->Activate();
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change = true;
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}
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// The active coordinate system must also exist.
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if(LockedInWorkplane()) {
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Entity *e = SS.entity.FindByIdNoOops(ActiveWorkplane());
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if(e) {
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hGroup hgw = e->group;
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if(hgw.v != activeGroup.v && SS.GroupsInOrder(activeGroup, hgw)) {
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// The active workplane is in a group that comes after the
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// active group; so any request or constraint will fail.
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SetWorkplaneFreeIn3d();
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change = true;
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}
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} else {
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SetWorkplaneFreeIn3d();
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change = true;
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}
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}
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// And update the checked state for various menus
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bool locked = LockedInWorkplane();
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CheckMenuById(MNU_FREE_IN_3D, !locked);
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CheckMenuById(MNU_SEL_WORKPLANE, locked);
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SS.UndoEnableMenus();
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switch(SS.viewUnits) {
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case SolveSpace::UNIT_MM:
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case SolveSpace::UNIT_INCHES:
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break;
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default:
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SS.viewUnits = SolveSpace::UNIT_MM;
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}
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CheckMenuById(MNU_UNITS_MM, SS.viewUnits == SolveSpace::UNIT_MM);
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CheckMenuById(MNU_UNITS_INCHES, SS.viewUnits == SolveSpace::UNIT_INCHES);
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ShowTextWindow(SS.GW.showTextWindow);
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CheckMenuById(MNU_SHOW_TEXT_WND, SS.GW.showTextWindow);
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if(change) SS.later.showTW = true;
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}
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void GraphicsWindow::SetWorkplaneFreeIn3d(void) {
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SS.GetGroup(activeGroup)->activeWorkplane = Entity::FREE_IN_3D;
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}
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hEntity GraphicsWindow::ActiveWorkplane(void) {
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Group *g = SS.group.FindByIdNoOops(activeGroup);
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if(g) {
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return g->activeWorkplane;
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} else {
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return Entity::FREE_IN_3D;
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}
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}
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bool GraphicsWindow::LockedInWorkplane(void) {
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return (SS.GW.ActiveWorkplane().v != Entity::FREE_IN_3D.v);
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}
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void GraphicsWindow::MenuEdit(int id) {
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switch(id) {
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case MNU_UNSELECT_ALL:
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SS.GW.GroupSelection();
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if(SS.GW.gs.n == 0 && SS.GW.pending.operation == 0) {
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if(!TextEditControlIsVisible()) {
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SS.TW.ClearSuper();
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}
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}
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SS.GW.ClearSuper();
|
|
HideTextEditControl();
|
|
break;
|
|
|
|
case MNU_DELETE: {
|
|
SS.UndoRemember();
|
|
|
|
int i;
|
|
SS.request.ClearTags();
|
|
SS.constraint.ClearTags();
|
|
for(i = 0; i < MAX_SELECTED; i++) {
|
|
Selection *s = &(SS.GW.selection[i]);
|
|
hRequest r; r.v = 0;
|
|
if(s->entity.v && s->entity.isFromRequest()) {
|
|
r = s->entity.request();
|
|
}
|
|
if(r.v && !r.IsFromReferences()) {
|
|
SS.request.Tag(r, 1);
|
|
}
|
|
if(s->constraint.v) {
|
|
SS.constraint.Tag(s->constraint, 1);
|
|
}
|
|
}
|
|
SS.request.RemoveTagged();
|
|
SS.constraint.RemoveTagged();
|
|
|
|
// An edit might be in progress for the just-deleted item. So
|
|
// now it's not.
|
|
HideGraphicsEditControl();
|
|
HideTextEditControl();
|
|
// And clear out the selection, which could contain that item.
|
|
SS.GW.ClearSuper();
|
|
// And regenerate to get rid of what it generates, plus anything
|
|
// that references it (since the regen code checks for that).
|
|
SS.GenerateAll(0, INT_MAX);
|
|
SS.GW.EnsureValidActives();
|
|
SS.later.showTW = true;
|
|
break;
|
|
}
|
|
|
|
case MNU_UNDO:
|
|
SS.UndoUndo();
|
|
break;
|
|
|
|
case MNU_REDO:
|
|
SS.UndoRedo();
|
|
break;
|
|
|
|
default: oops();
|
|
}
|
|
}
|
|
|
|
void GraphicsWindow::MenuRequest(int id) {
|
|
char *s;
|
|
switch(id) {
|
|
case MNU_SEL_WORKPLANE: {
|
|
SS.GW.GroupSelection();
|
|
Group *g = SS.GetGroup(SS.GW.activeGroup);
|
|
|
|
if(SS.GW.gs.n == 1 && SS.GW.gs.workplanes == 1) {
|
|
// A user-selected workplane
|
|
g->activeWorkplane = SS.GW.gs.entity[0];
|
|
} else if(g->type == Group::DRAWING_WORKPLANE) {
|
|
// The group's default workplane
|
|
g->activeWorkplane = g->h.entity(0);
|
|
}
|
|
|
|
if(!SS.GW.LockedInWorkplane()) {
|
|
Error("Select workplane (e.g., the XY plane) "
|
|
"before locking on.");
|
|
break;
|
|
}
|
|
// Align the view with the selected workplane
|
|
SS.GW.AnimateOntoWorkplane();
|
|
SS.GW.ClearSuper();
|
|
SS.later.showTW = true;
|
|
break;
|
|
}
|
|
case MNU_FREE_IN_3D:
|
|
SS.GW.SetWorkplaneFreeIn3d();
|
|
SS.GW.EnsureValidActives();
|
|
SS.later.showTW = true;
|
|
break;
|
|
|
|
case MNU_DATUM_POINT: s = "click to place datum point"; goto c;
|
|
case MNU_LINE_SEGMENT: s = "click first point of line segment"; goto c;
|
|
case MNU_CUBIC: s = "click first point of cubic segment"; goto c;
|
|
case MNU_CIRCLE: s = "click center of circle"; goto c;
|
|
case MNU_ARC: s = "click point on arc (draws anti-clockwise)"; goto c;
|
|
case MNU_WORKPLANE: s = "click origin of workplane"; goto c;
|
|
case MNU_RECTANGLE: s = "click one corner of rectangular"; goto c;
|
|
case MNU_TTF_TEXT: s = "click top left of text"; goto c;
|
|
c:
|
|
SS.GW.pending.operation = id;
|
|
SS.GW.pending.description = s;
|
|
SS.later.showTW = true;
|
|
break;
|
|
|
|
case MNU_CONSTRUCTION: {
|
|
SS.GW.GroupSelection();
|
|
int i;
|
|
for(i = 0; i < SS.GW.gs.entities; i++) {
|
|
hEntity he = SS.GW.gs.entity[i];
|
|
if(!he.isFromRequest()) continue;
|
|
Request *r = SS.GetRequest(he.request());
|
|
r->construction = !(r->construction);
|
|
SS.MarkGroupDirty(r->group);
|
|
}
|
|
SS.GW.ClearSelection();
|
|
SS.GenerateAll();
|
|
break;
|
|
}
|
|
|
|
default: oops();
|
|
}
|
|
}
|
|
|
|
void GraphicsWindow::ClearSuper(void) {
|
|
HideGraphicsEditControl();
|
|
ClearPending();
|
|
ClearSelection();
|
|
hover.Clear();
|
|
EnsureValidActives();
|
|
}
|
|
|
|
void GraphicsWindow::ToggleBool(int link, DWORD v) {
|
|
bool *vb = (bool *)v;
|
|
*vb = !*vb;
|
|
|
|
// The faces are shown as special stippling on the shaded triangle mesh,
|
|
// so not meaningful to show them and hide the shaded.
|
|
if(!SS.GW.showShaded) SS.GW.showFaces = false;
|
|
|
|
SS.GenerateAll();
|
|
InvalidateGraphics();
|
|
SS.later.showTW = true;
|
|
}
|
|
|