726 lines
28 KiB
C++
726 lines
28 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 mAna (&SolveSpace::MenuAnalyze)
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#define mHelp (&SolveSpace::MenuHelp)
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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, "Export &DXF...", MNU_EXPORT_DXF, 0, mFile },
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{ 1, "Export &Mesh...", MNU_EXPORT_MESH, 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, "Re&generate All\tSpace", MNU_REGEN_ALL, ' ', 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, "Sketch In &3d\tShift+3", MNU_GROUP_3D, '3'|S, mGrp },
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{ 1, "Sketch In New &Workplane\tShift+W", MNU_GROUP_WRKPL, 'W'|S, mGrp },
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{ 1, NULL, 0, NULL },
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{ 1, "Step &Translating\tShift+T", MNU_GROUP_TRANS, 'T'|S, mGrp },
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{ 1, "Step &Rotating\tShift+R", MNU_GROUP_ROT, 'R'|S, mGrp },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "E&xtrude\tShift+X", MNU_GROUP_EXTRUDE, 'X'|S, mGrp },
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{ 1, "&Lathe\tShift+L", MNU_GROUP_LATHE, 'L'|S, mGrp },
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//{ 1, "&Sweep\tShift+S", MNU_GROUP_SWEEP, 'S'|S, mGrp },
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//{ 1, "&Helical Sweep\tShift+H", MNU_GROUP_HELICAL, 'H'|S, mGrp },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "Import / Assemble...\tShift+I", MNU_GROUP_IMPORT, 'I'|S, mGrp },
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{11, "Import Recent", MNU_GROUP_RECENT, 0, mGrp },
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{ 0, "&Sketch", 0, NULL },
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{ 1, "In &Workplane\tW", MNU_SEL_WORKPLANE, 'W', mReq },
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{ 1, "Anywhere In &3d\t3", MNU_FREE_IN_3D, '3', 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", MNU_WORKPLANE, 0, 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, "&Bezier Cubic Segment\tB", MNU_CUBIC, 'B', 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\tD", MNU_DISTANCE_DIA, 'D', mCon },
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{ 1, "A&ngle\tN", MNU_ANGLE, 'N', mCon },
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{ 1, "Other S&upplementary Angle\tU", MNU_OTHER_ANGLE, 'U', mCon },
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{ 1, "Toggle R&eference Dim\tE", MNU_REFERENCE, 'E', mCon },
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{ 1, NULL, 0, NULL },
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{ 1, "&Horizontal\tH", MNU_HORIZONTAL, 'H', mCon },
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{ 1, "&Vertical\tV", MNU_VERTICAL, 'V', mCon },
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{ 1, NULL, 0, NULL },
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{ 1, "&On Point / Curve / Plane\tO", MNU_ON_ENTITY, 'O', mCon },
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{ 1, "E&qual Length / Radius\tQ", MNU_EQUAL, 'Q', mCon },
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{ 1, "Length Ra&tio\tZ", MNU_RATIO, 'Z', mCon },
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{ 1, "At &Midpoint\tM", MNU_AT_MIDPOINT, 'M', mCon },
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{ 1, "S&ymmetric\tY", MNU_SYMMETRIC, 'Y', mCon },
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{ 1, "Para&llel / Tangent\tL", MNU_PARALLEL, 'L', mCon },
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{ 1, "&Perpendicular\t[", MNU_PERPENDICULAR, '[', mCon },
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{ 1, "Same Orient&ation\tX", MNU_ORIENTED_SAME, 'X', mCon },
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{ 1, NULL, 0, NULL },
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{ 1, "Comment\t;", MNU_COMMENT, ';', mCon },
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{ 0, "&Analyze", 0, NULL },
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{ 1, "Measure &Volume", MNU_VOLUME, 0, mAna },
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{ 1, NULL, 0, NULL },
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{ 1, "&Trace Point\tCtrl+Shift+T", MNU_TRACE_PT, 'T'|S|C,mAna },
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{ 1, "&Stop Tracing...\tCtrl+Shift+S", MNU_STOP_TRACING, 'S'|S|C,mAna },
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{ 1, "Step &Dimension...\tCtrl+Shift+D", MNU_STEP_DIM, 'D'|S|C,mAna },
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{ 0, "&Help", 0, 0, NULL },
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{ 1, "&Load License...", MNU_LICENSE, 0, mHelp },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "&Website / Manual", MNU_WEBSITE, 0, mHelp },
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{ 1, "&About", MNU_ABOUT, 0, mHelp },
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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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// Make sure those are valid; could get a mouse move without a mouse
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// down if someone depresses the button, then drags into our window.
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orig.projRight = projRight;
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orig.projUp = projUp;
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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) {
|
|
return g->activeWorkplane;
|
|
} else {
|
|
return Entity::FREE_IN_3D;
|
|
}
|
|
}
|
|
bool GraphicsWindow::LockedInWorkplane(void) {
|
|
return (SS.GW.ActiveWorkplane().v != Entity::FREE_IN_3D.v);
|
|
}
|
|
|
|
void GraphicsWindow::MenuEdit(int id) {
|
|
switch(id) {
|
|
case MNU_UNSELECT_ALL:
|
|
SS.GW.GroupSelection();
|
|
if(SS.GW.gs.n == 0 && SS.GW.pending.operation == 0) {
|
|
if(!TextEditControlIsVisible()) {
|
|
SS.TW.ClearSuper();
|
|
}
|
|
}
|
|
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;
|
|
|
|
case MNU_REGEN_ALL:
|
|
SS.ReloadAllImported();
|
|
SS.GenerateAll(0, INT_MAX);
|
|
SS.later.showTW = true;
|
|
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_ARC: {
|
|
SS.GW.GroupSelection();
|
|
if(SS.GW.gs.n == 1 && SS.GW.gs.points == 1) {
|
|
if(!SS.GW.LockedInWorkplane()) {
|
|
Error("Must be sketching in workplane to create tangent "
|
|
"arc.");
|
|
break;
|
|
}
|
|
|
|
// Find two line segments that join at the specified point,
|
|
// and blend them with a tangent arc. First, find the
|
|
// requests that generate the line segments.
|
|
Vector pshared = SS.GetEntity(SS.GW.gs.point[0])->PointGetNum();
|
|
SS.GW.ClearSelection();
|
|
|
|
int i, c = 0;
|
|
Entity *line[2];
|
|
Request *lineReq[2];
|
|
bool point1[2];
|
|
for(i = 0; i < SS.request.n; i++) {
|
|
Request *r = &(SS.request.elem[i]);
|
|
if(r->group.v != SS.GW.activeGroup.v) continue;
|
|
if(r->type != Request::LINE_SEGMENT) continue;
|
|
if(r->construction) continue;
|
|
|
|
Entity *e = SS.GetEntity(r->h.entity(0));
|
|
Vector p0 = SS.GetEntity(e->point[0])->PointGetNum(),
|
|
p1 = SS.GetEntity(e->point[1])->PointGetNum();
|
|
|
|
if(p0.Equals(pshared) || p1.Equals(pshared)) {
|
|
if(c < 2) {
|
|
line[c] = e;
|
|
lineReq[c] = r;
|
|
point1[c] = (p1.Equals(pshared));
|
|
}
|
|
c++;
|
|
}
|
|
}
|
|
if(c != 2) {
|
|
Error("To create a tangent arc, select a point where "
|
|
"two non-construction line segments join.");
|
|
break;
|
|
}
|
|
|
|
SS.UndoRemember();
|
|
|
|
Entity *wrkpl = SS.GetEntity(SS.GW.ActiveWorkplane());
|
|
Vector wn = wrkpl->Normal()->NormalN();
|
|
|
|
hEntity hshared = (line[0])->point[point1[0] ? 1 : 0],
|
|
hother0 = (line[0])->point[point1[0] ? 0 : 1],
|
|
hother1 = (line[1])->point[point1[1] ? 0 : 1];
|
|
|
|
Vector pother0 = SS.GetEntity(hother0)->PointGetNum(),
|
|
pother1 = SS.GetEntity(hother1)->PointGetNum();
|
|
|
|
Vector v0shared = pshared.Minus(pother0),
|
|
v1shared = pshared.Minus(pother1);
|
|
|
|
hEntity srcline0 = (line[0])->h,
|
|
srcline1 = (line[1])->h;
|
|
|
|
(lineReq[0])->construction = true;
|
|
(lineReq[1])->construction = true;
|
|
|
|
// And thereafter we mustn't touch the entity or req ptrs,
|
|
// because the new requests/entities we add might force a
|
|
// realloc.
|
|
memset(line, 0, sizeof(line));
|
|
memset(lineReq, 0, sizeof(lineReq));
|
|
|
|
// The sign of vv determines whether shortest distance is
|
|
// clockwise or anti-clockwise.
|
|
Vector v = (wn.Cross(v0shared)).WithMagnitude(1);
|
|
double vv = v1shared.Dot(v);
|
|
|
|
double dot = (v0shared.WithMagnitude(1)).Dot(
|
|
v1shared.WithMagnitude(1));
|
|
double theta = acos(dot);
|
|
double r = 200/SS.GW.scale;
|
|
// Set the radius so that no more than one third of the
|
|
// line segment disappears.
|
|
r = min(r, v0shared.Magnitude()*tan(theta/2)/3);
|
|
r = min(r, v1shared.Magnitude()*tan(theta/2)/3);
|
|
double el = r/tan(theta/2);
|
|
|
|
hRequest rln0 = SS.GW.AddRequest(Request::LINE_SEGMENT, false),
|
|
rln1 = SS.GW.AddRequest(Request::LINE_SEGMENT, false);
|
|
hRequest rarc = SS.GW.AddRequest(Request::ARC_OF_CIRCLE, false);
|
|
|
|
Entity *ln0 = SS.GetEntity(rln0.entity(0)),
|
|
*ln1 = SS.GetEntity(rln1.entity(0));
|
|
Entity *arc = SS.GetEntity(rarc.entity(0));
|
|
|
|
SS.GetEntity(ln0->point[0])->PointForceTo(pother0);
|
|
Constraint::ConstrainCoincident(ln0->point[0], hother0);
|
|
SS.GetEntity(ln1->point[0])->PointForceTo(pother1);
|
|
Constraint::ConstrainCoincident(ln1->point[0], hother1);
|
|
|
|
Vector arc0 = pshared.Minus(v0shared.WithMagnitude(el));
|
|
Vector arc1 = pshared.Minus(v1shared.WithMagnitude(el));
|
|
|
|
SS.GetEntity(ln0->point[1])->PointForceTo(arc0);
|
|
SS.GetEntity(ln1->point[1])->PointForceTo(arc1);
|
|
|
|
Constraint::Constrain(Constraint::PT_ON_LINE,
|
|
ln0->point[1], Entity::NO_ENTITY, srcline0);
|
|
Constraint::Constrain(Constraint::PT_ON_LINE,
|
|
ln1->point[1], Entity::NO_ENTITY, srcline1);
|
|
|
|
Vector center = arc0;
|
|
int a, b;
|
|
if(vv < 0) {
|
|
a = 1; b = 2;
|
|
center = center.Minus(v0shared.Cross(wn).WithMagnitude(r));
|
|
} else {
|
|
a = 2; b = 1;
|
|
center = center.Plus(v0shared.Cross(wn).WithMagnitude(r));
|
|
}
|
|
|
|
SS.GetEntity(arc->point[0])->PointForceTo(center);
|
|
SS.GetEntity(arc->point[a])->PointForceTo(arc0);
|
|
SS.GetEntity(arc->point[b])->PointForceTo(arc1);
|
|
|
|
Constraint::ConstrainCoincident(arc->point[a], ln0->point[1]);
|
|
Constraint::ConstrainCoincident(arc->point[b], ln1->point[1]);
|
|
|
|
Constraint::Constrain(Constraint::ARC_LINE_TANGENT,
|
|
Entity::NO_ENTITY, Entity::NO_ENTITY,
|
|
arc->h, ln0->h, (a==2));
|
|
Constraint::Constrain(Constraint::ARC_LINE_TANGENT,
|
|
Entity::NO_ENTITY, Entity::NO_ENTITY,
|
|
arc->h, ln1->h, (b==2));
|
|
|
|
SS.later.generateAll = true;
|
|
} else {
|
|
s = "click point on arc (draws anti-clockwise)";
|
|
goto c;
|
|
}
|
|
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_WORKPLANE: s = "click origin of workplane"; goto c;
|
|
case MNU_RECTANGLE: s = "click one corner of rectangle"; 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;
|
|
}
|
|
|