2e4ec6dd04
the same precedence as sqrt. Add the code to find naked edges, and draw them highlighted on the model. And make the direction of trim curves consistent, always ccw with normal toward viewer; so there's no need to fix the directions before triangulating. [git-p4: depot-paths = "//depot/solvespace/": change = 1903]
1052 lines
34 KiB
C++
1052 lines
34 KiB
C++
#include "solvespace.h"
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void GraphicsWindow::UpdateDraggedPoint(hEntity hp, double mx, double my) {
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Entity *p = SS.GetEntity(hp);
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Vector pos = p->PointGetNum();
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UpdateDraggedNum(&pos, mx, my);
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p->PointForceTo(pos);
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}
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void GraphicsWindow::UpdateDraggedNum(Vector *pos, double mx, double my) {
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*pos = pos->Plus(projRight.ScaledBy((mx - orig.mouse.x)/scale));
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*pos = pos->Plus(projUp.ScaledBy((my - orig.mouse.y)/scale));
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orig.mouse.x = mx;
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orig.mouse.y = my;
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InvalidateGraphics();
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}
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void GraphicsWindow::MouseMoved(double x, double y, bool leftDown,
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bool middleDown, bool rightDown, bool shiftDown, bool ctrlDown)
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{
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if(GraphicsEditControlIsVisible()) return;
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if(rightDown) {
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middleDown = true;
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shiftDown = !shiftDown;
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}
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if(SS.showToolbar) {
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if(ToolbarMouseMoved((int)x, (int)y)) {
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hover.Clear();
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return;
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}
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}
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Point2d mp = { x, y };
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// If the middle button is down, then mouse movement is used to pan and
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// rotate our view. This wins over everything else.
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if(middleDown) {
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hover.Clear();
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double dx = (x - orig.mouse.x) / scale;
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double dy = (y - orig.mouse.y) / scale;
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// When the view is locked, permit only translation (pan).
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if(!(shiftDown || ctrlDown)) {
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double s = 0.3*(PI/180)*scale; // degrees per pixel
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projRight = orig.projRight.RotatedAbout(orig.projUp, -s*dx);
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projUp = orig.projUp.RotatedAbout(orig.projRight, s*dy);
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NormalizeProjectionVectors();
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} else if(ctrlDown) {
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double theta = atan2(orig.mouse.y, orig.mouse.x);
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theta -= atan2(y, x);
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Vector normal = orig.projRight.Cross(orig.projUp);
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projRight = orig.projRight.RotatedAbout(normal, theta);
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projUp = orig.projUp.RotatedAbout(normal, theta);
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NormalizeProjectionVectors();
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} else {
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offset.x = orig.offset.x + dx*projRight.x + dy*projUp.x;
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offset.y = orig.offset.y + dx*projRight.y + dy*projUp.y;
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offset.z = orig.offset.z + dx*projRight.z + dy*projUp.z;
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}
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orig.projRight = projRight;
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orig.projUp = projUp;
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orig.offset = offset;
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orig.mouse.x = x;
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orig.mouse.y = y;
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InvalidateGraphics();
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return;
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}
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if(pending.operation == 0) {
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double dm = orig.mouse.DistanceTo(mp);
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// If we're currently not doing anything, then see if we should
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// start dragging something.
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if(leftDown && dm > 3) {
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if(hover.entity.v) {
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Entity *e = SS.GetEntity(hover.entity);
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if(e->IsPoint()) {
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// Start dragging this point.
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ClearSelection();
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pending.point = hover.entity;
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pending.operation = DRAGGING_POINT;
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} else if(e->type == Entity::CIRCLE) {
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// Drag the radius.
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ClearSelection();
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pending.circle = hover.entity;
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pending.operation = DRAGGING_RADIUS;
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} else if(e->IsNormal()) {
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ClearSelection();
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pending.normal = hover.entity;
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pending.operation = DRAGGING_NORMAL;
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}
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} else if(hover.constraint.v &&
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SS.GetConstraint(hover.constraint)->HasLabel())
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{
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ClearSelection();
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pending.constraint = hover.constraint;
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pending.operation = DRAGGING_CONSTRAINT;
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}
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if(pending.operation != 0) {
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// We just started a drag, so remember for the undo before
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// the drag changes anything.
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SS.UndoRemember();
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}
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} else {
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// Otherwise, just hit test and give up; but don't hit test
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// if the mouse is down, because then the user could hover
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// a point, mouse down (thus selecting it), and drag, in an
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// effort to drag the point, but instead hover a different
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// entity before we move far enough to start the drag.
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if(!leftDown) HitTestMakeSelection(mp);
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}
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return;
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}
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// If the user has started an operation from the menu, but not
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// completed it, then just do the selection.
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if(pending.operation < FIRST_PENDING) {
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HitTestMakeSelection(mp);
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return;
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}
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// We're currently dragging something; so do that. But if we haven't
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// painted since the last time we solved, do nothing, because there's
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// no sense solving a frame and not displaying it.
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if(!havePainted) return;
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switch(pending.operation) {
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case DRAGGING_CONSTRAINT: {
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Constraint *c = SS.constraint.FindById(pending.constraint);
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UpdateDraggedNum(&(c->disp.offset), x, y);
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break;
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}
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case DRAGGING_NEW_LINE_POINT:
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HitTestMakeSelection(mp);
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// and fall through
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case DRAGGING_NEW_POINT:
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case DRAGGING_POINT: {
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Entity *p = SS.GetEntity(pending.point);
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if((p->type == Entity::POINT_N_ROT_TRANS) &&
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(shiftDown || ctrlDown))
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{
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// These points also come with a rotation, which the user can
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// edit by pressing shift or control.
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Quaternion q = p->PointGetQuaternion();
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Vector p3 = p->PointGetNum();
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Point2d p2 = ProjectPoint(p3);
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Vector u = q.RotationU(), v = q.RotationV();
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if(ctrlDown) {
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double d = mp.DistanceTo(p2);
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if(d < 25) {
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// Don't start dragging the position about the normal
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// until we're a little ways out, to get a reasonable
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// reference pos
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orig.mouse = mp;
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break;
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}
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double theta = atan2(orig.mouse.y-p2.y, orig.mouse.x-p2.x);
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theta -= atan2(y-p2.y, x-p2.x);
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Vector gn = projRight.Cross(projUp);
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u = u.RotatedAbout(gn, -theta);
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v = v.RotatedAbout(gn, -theta);
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} else {
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double dx = -(x - orig.mouse.x);
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double dy = -(y - orig.mouse.y);
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double s = 0.3*(PI/180); // degrees per pixel
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u = u.RotatedAbout(projUp, -s*dx);
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u = u.RotatedAbout(projRight, s*dy);
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v = v.RotatedAbout(projUp, -s*dx);
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v = v.RotatedAbout(projRight, s*dy);
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}
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q = Quaternion::From(u, v);
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p->PointForceQuaternionTo(q);
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// Let's rotate about the selected point; so fix up the
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// translation so that that point didn't move.
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p->PointForceTo(p3);
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orig.mouse = mp;
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} else {
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UpdateDraggedPoint(pending.point, x, y);
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HitTestMakeSelection(mp);
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}
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SS.MarkGroupDirtyByEntity(pending.point);
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break;
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}
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case DRAGGING_NEW_CUBIC_POINT: {
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UpdateDraggedPoint(pending.point, x, y);
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HitTestMakeSelection(mp);
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hRequest hr = pending.point.request();
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Vector p0 = SS.GetEntity(hr.entity(1))->PointGetNum();
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Vector p3 = SS.GetEntity(hr.entity(4))->PointGetNum();
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Vector p1 = p0.ScaledBy(2.0/3).Plus(p3.ScaledBy(1.0/3));
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SS.GetEntity(hr.entity(2))->PointForceTo(p1);
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Vector p2 = p0.ScaledBy(1.0/3).Plus(p3.ScaledBy(2.0/3));
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SS.GetEntity(hr.entity(3))->PointForceTo(p2);
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SS.MarkGroupDirtyByEntity(pending.point);
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break;
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}
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case DRAGGING_NEW_ARC_POINT: {
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UpdateDraggedPoint(pending.point, x, y);
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HitTestMakeSelection(mp);
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hRequest hr = pending.point.request();
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Vector ona = SS.GetEntity(hr.entity(2))->PointGetNum();
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Vector onb = SS.GetEntity(hr.entity(3))->PointGetNum();
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Vector center = (ona.Plus(onb)).ScaledBy(0.5);
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SS.GetEntity(hr.entity(1))->PointForceTo(center);
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SS.MarkGroupDirtyByEntity(pending.point);
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break;
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}
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case DRAGGING_NEW_RADIUS:
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case DRAGGING_RADIUS: {
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Entity *circle = SS.GetEntity(pending.circle);
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Vector center = SS.GetEntity(circle->point[0])->PointGetNum();
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Point2d c2 = ProjectPoint(center);
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double r = c2.DistanceTo(mp)/scale;
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SS.GetEntity(circle->distance)->DistanceForceTo(r);
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SS.MarkGroupDirtyByEntity(pending.circle);
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break;
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}
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case DRAGGING_NORMAL: {
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Entity *normal = SS.GetEntity(pending.normal);
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Vector p = SS.GetEntity(normal->point[0])->PointGetNum();
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Point2d p2 = ProjectPoint(p);
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Quaternion q = normal->NormalGetNum();
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Vector u = q.RotationU(), v = q.RotationV();
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if(ctrlDown) {
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double theta = atan2(orig.mouse.y-p2.y, orig.mouse.x-p2.x);
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theta -= atan2(y-p2.y, x-p2.x);
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Vector normal = projRight.Cross(projUp);
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u = u.RotatedAbout(normal, -theta);
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v = v.RotatedAbout(normal, -theta);
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} else {
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double dx = -(x - orig.mouse.x);
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double dy = -(y - orig.mouse.y);
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double s = 0.3*(PI/180); // degrees per pixel
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u = u.RotatedAbout(projUp, -s*dx);
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u = u.RotatedAbout(projRight, s*dy);
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v = v.RotatedAbout(projUp, -s*dx);
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v = v.RotatedAbout(projRight, s*dy);
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}
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orig.mouse = mp;
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normal->NormalForceTo(Quaternion::From(u, v));
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SS.MarkGroupDirtyByEntity(pending.normal);
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break;
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}
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default: oops();
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}
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if(pending.operation != 0 && pending.operation != DRAGGING_CONSTRAINT) {
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SS.GenerateAll();
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}
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havePainted = false;
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}
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void GraphicsWindow::ClearPending(void) {
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memset(&pending, 0, sizeof(pending));
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}
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void GraphicsWindow::MouseMiddleOrRightDown(double x, double y) {
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if(GraphicsEditControlIsVisible()) return;
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if(pending.operation == DRAGGING_NEW_LINE_POINT) {
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// Special case; use a middle or right click to stop drawing lines,
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// since a left click would draw another one. This is quicker and
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// more intuitive than hitting escape.
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ClearPending();
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}
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orig.offset = offset;
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orig.projUp = projUp;
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orig.projRight = projRight;
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orig.mouse.x = x;
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orig.mouse.y = y;
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}
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hRequest GraphicsWindow::AddRequest(int type) {
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return AddRequest(type, true);
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}
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hRequest GraphicsWindow::AddRequest(int type, bool rememberForUndo) {
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if(rememberForUndo) SS.UndoRemember();
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Request r;
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memset(&r, 0, sizeof(r));
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r.group = activeGroup;
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Group *g = SS.GetGroup(activeGroup);
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if(g->type == Group::DRAWING_3D || g->type == Group::DRAWING_WORKPLANE) {
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r.construction = false;
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} else {
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r.construction = true;
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}
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r.workplane = ActiveWorkplane();
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r.type = type;
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SS.request.AddAndAssignId(&r);
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// We must regenerate the parameters, so that the code that tries to
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// place this request's entities where the mouse is can do so. But
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// we mustn't try to solve until reasonable values have been supplied
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// for these new parameters, or else we'll get a numerical blowup.
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SS.GenerateAll(-1, -1);
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SS.MarkGroupDirty(r.group);
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return r.h;
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}
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bool GraphicsWindow::ConstrainPointByHovered(hEntity pt) {
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if(!hover.entity.v) return false;
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Entity *e = SS.GetEntity(hover.entity);
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if(e->IsPoint()) {
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Constraint::ConstrainCoincident(e->h, pt);
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return true;
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}
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if(e->IsCircle()) {
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Constraint::Constrain(Constraint::PT_ON_CIRCLE,
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pt, Entity::NO_ENTITY, e->h);
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return true;
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}
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if(e->type == Entity::LINE_SEGMENT) {
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Constraint::Constrain(Constraint::PT_ON_LINE,
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pt, Entity::NO_ENTITY, e->h);
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return true;
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}
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return false;
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}
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void GraphicsWindow::MouseLeftDown(double mx, double my) {
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if(GraphicsEditControlIsVisible()) return;
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HideTextEditControl();
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if(SS.showToolbar) {
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if(ToolbarMouseDown((int)mx, (int)my)) return;
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}
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// Make sure the hover is up to date.
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MouseMoved(mx, my, false, false, false, false, false);
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orig.mouse.x = mx;
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orig.mouse.y = my;
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// The current mouse location
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Vector v = offset.ScaledBy(-1);
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v = v.Plus(projRight.ScaledBy(mx/scale));
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v = v.Plus(projUp.ScaledBy(my/scale));
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hRequest hr;
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switch(pending.operation) {
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case MNU_DATUM_POINT:
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hr = AddRequest(Request::DATUM_POINT);
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SS.GetEntity(hr.entity(0))->PointForceTo(v);
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ConstrainPointByHovered(hr.entity(0));
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ClearSuper();
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pending.operation = 0;
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break;
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case MNU_LINE_SEGMENT:
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hr = AddRequest(Request::LINE_SEGMENT);
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SS.GetEntity(hr.entity(1))->PointForceTo(v);
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ConstrainPointByHovered(hr.entity(1));
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ClearSuper();
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pending.operation = DRAGGING_NEW_LINE_POINT;
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pending.point = hr.entity(2);
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pending.description = "click to place next point of line";
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SS.GetEntity(pending.point)->PointForceTo(v);
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break;
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case MNU_RECTANGLE: {
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if(!SS.GW.LockedInWorkplane()) {
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Error("Can't draw rectangle in 3d; select a workplane first.");
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ClearSuper();
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break;
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}
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hRequest lns[4];
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int i;
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SS.UndoRemember();
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for(i = 0; i < 4; i++) {
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lns[i] = AddRequest(Request::LINE_SEGMENT, false);
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}
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for(i = 0; i < 4; i++) {
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Constraint::ConstrainCoincident(
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lns[i].entity(1), lns[(i+1)%4].entity(2));
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SS.GetEntity(lns[i].entity(1))->PointForceTo(v);
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SS.GetEntity(lns[i].entity(2))->PointForceTo(v);
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}
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for(i = 0; i < 4; i++) {
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Constraint::Constrain(
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(i % 2) ? Constraint::HORIZONTAL : Constraint::VERTICAL,
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Entity::NO_ENTITY, Entity::NO_ENTITY,
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lns[i].entity(0));
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}
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ConstrainPointByHovered(lns[2].entity(1));
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pending.operation = DRAGGING_NEW_POINT;
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pending.point = lns[1].entity(2);
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pending.description = "click to place other corner of rectangle";
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break;
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}
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case MNU_CIRCLE:
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hr = AddRequest(Request::CIRCLE);
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SS.GetEntity(hr.entity(1))->PointForceTo(v);
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SS.GetEntity(hr.entity(32))->NormalForceTo(
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Quaternion::From(SS.GW.projRight, SS.GW.projUp));
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ConstrainPointByHovered(hr.entity(1));
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|
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ClearSuper();
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pending.operation = DRAGGING_NEW_RADIUS;
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pending.circle = hr.entity(0);
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pending.description = "click to set radius";
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SS.GetParam(hr.param(0))->val = 0;
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break;
|
|
|
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case MNU_ARC: {
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if(!SS.GW.LockedInWorkplane()) {
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Error("Can't draw arc in 3d; select a workplane first.");
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ClearPending();
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break;
|
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}
|
|
hr = AddRequest(Request::ARC_OF_CIRCLE);
|
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// This fudge factor stops us from immediately failing to solve
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// because of the arc's implicit (equal radius) tangent.
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Vector adj = SS.GW.projRight.WithMagnitude(2/SS.GW.scale);
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SS.GetEntity(hr.entity(1))->PointForceTo(v.Minus(adj));
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SS.GetEntity(hr.entity(2))->PointForceTo(v);
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SS.GetEntity(hr.entity(3))->PointForceTo(v);
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ConstrainPointByHovered(hr.entity(2));
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|
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ClearSuper();
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|
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pending.operation = DRAGGING_NEW_ARC_POINT;
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pending.point = hr.entity(3);
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pending.description = "click to place point";
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break;
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}
|
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case MNU_CUBIC:
|
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hr = AddRequest(Request::CUBIC);
|
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SS.GetEntity(hr.entity(1))->PointForceTo(v);
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SS.GetEntity(hr.entity(2))->PointForceTo(v);
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SS.GetEntity(hr.entity(3))->PointForceTo(v);
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SS.GetEntity(hr.entity(4))->PointForceTo(v);
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ConstrainPointByHovered(hr.entity(1));
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|
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ClearSuper();
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pending.operation = DRAGGING_NEW_CUBIC_POINT;
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pending.point = hr.entity(4);
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pending.description = "click to place next point of cubic";
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break;
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|
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case MNU_WORKPLANE:
|
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if(LockedInWorkplane()) {
|
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Error("Sketching in a workplane already; sketch in 3d before "
|
|
"creating new workplane.");
|
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ClearSuper();
|
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break;
|
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}
|
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hr = AddRequest(Request::WORKPLANE);
|
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SS.GetEntity(hr.entity(1))->PointForceTo(v);
|
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SS.GetEntity(hr.entity(32))->NormalForceTo(
|
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Quaternion::From(SS.GW.projRight, SS.GW.projUp));
|
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ConstrainPointByHovered(hr.entity(1));
|
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|
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ClearSuper();
|
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break;
|
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|
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case MNU_TTF_TEXT: {
|
|
if(!SS.GW.LockedInWorkplane()) {
|
|
Error("Can't draw text in 3d; select a workplane first.");
|
|
ClearSuper();
|
|
break;
|
|
}
|
|
hr = AddRequest(Request::TTF_TEXT);
|
|
Request *r = SS.GetRequest(hr);
|
|
r->str.strcpy("Abc");
|
|
r->font.strcpy("arial.ttf");
|
|
|
|
SS.GetEntity(hr.entity(1))->PointForceTo(v);
|
|
SS.GetEntity(hr.entity(2))->PointForceTo(v);
|
|
|
|
pending.operation = DRAGGING_NEW_POINT;
|
|
pending.point = hr.entity(2);
|
|
pending.description = "click to place bottom left of text";
|
|
break;
|
|
}
|
|
|
|
case DRAGGING_RADIUS:
|
|
case DRAGGING_NEW_POINT:
|
|
// The MouseMoved event has already dragged it as desired.
|
|
ClearPending();
|
|
break;
|
|
|
|
case DRAGGING_NEW_ARC_POINT:
|
|
case DRAGGING_NEW_CUBIC_POINT:
|
|
ConstrainPointByHovered(pending.point);
|
|
ClearPending();
|
|
break;
|
|
|
|
case DRAGGING_NEW_LINE_POINT: {
|
|
if(ConstrainPointByHovered(pending.point)) {
|
|
ClearPending();
|
|
break;
|
|
}
|
|
// Create a new line segment, so that we continue drawing.
|
|
hRequest hr = AddRequest(Request::LINE_SEGMENT);
|
|
SS.GetEntity(hr.entity(1))->PointForceTo(v);
|
|
SS.GetEntity(hr.entity(2))->PointForceTo(v);
|
|
|
|
// Constrain the line segments to share an endpoint
|
|
Constraint::ConstrainCoincident(pending.point, hr.entity(1));
|
|
|
|
// And drag an endpoint of the new line segment
|
|
pending.operation = DRAGGING_NEW_LINE_POINT;
|
|
pending.point = hr.entity(2);
|
|
pending.description = "click to place next point of next line";
|
|
|
|
break;
|
|
}
|
|
|
|
case 0:
|
|
default: {
|
|
ClearPending();
|
|
|
|
if(hover.IsEmpty()) break;
|
|
|
|
// If an item is hovered, then by clicking on it, we toggle its
|
|
// selection state.
|
|
int i;
|
|
for(i = 0; i < MAX_SELECTED; i++) {
|
|
if(selection[i].Equals(&hover)) {
|
|
selection[i].Clear();
|
|
break;
|
|
}
|
|
}
|
|
if(i != MAX_SELECTED) break;
|
|
|
|
if(hover.entity.v != 0 && SS.GetEntity(hover.entity)->IsFace()) {
|
|
// In the interest of speed for the triangle drawing code,
|
|
// only two faces may be selected at a time.
|
|
int c = 0;
|
|
for(i = 0; i < MAX_SELECTED; i++) {
|
|
hEntity he = selection[i].entity;
|
|
if(he.v != 0 && SS.GetEntity(he)->IsFace()) {
|
|
c++;
|
|
if(c >= 2) selection[i].Clear();
|
|
}
|
|
}
|
|
}
|
|
|
|
for(i = 0; i < MAX_SELECTED; i++) {
|
|
if(selection[i].IsEmpty()) {
|
|
selection[i] = hover;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
SS.later.showTW = true;
|
|
InvalidateGraphics();
|
|
}
|
|
|
|
void GraphicsWindow::MouseLeftUp(double mx, double my) {
|
|
switch(pending.operation) {
|
|
case DRAGGING_POINT:
|
|
case DRAGGING_CONSTRAINT:
|
|
case DRAGGING_NORMAL:
|
|
case DRAGGING_RADIUS:
|
|
ClearPending();
|
|
break;
|
|
|
|
default:
|
|
break; // do nothing
|
|
}
|
|
}
|
|
|
|
void GraphicsWindow::MouseLeftDoubleClick(double mx, double my) {
|
|
if(GraphicsEditControlIsVisible()) return;
|
|
HideTextEditControl();
|
|
|
|
if(hover.constraint.v) {
|
|
constraintBeingEdited = hover.constraint;
|
|
ClearSuper();
|
|
|
|
Constraint *c = SS.GetConstraint(constraintBeingEdited);
|
|
if(c->reference) {
|
|
// Not meaningful to edit a reference dimension
|
|
return;
|
|
}
|
|
|
|
Vector p3 = c->GetLabelPos();
|
|
Point2d p2 = ProjectPoint(p3);
|
|
|
|
char s[1024];
|
|
switch(c->type) {
|
|
case Constraint::COMMENT:
|
|
strcpy(s, c->comment.str);
|
|
break;
|
|
|
|
case Constraint::ANGLE:
|
|
case Constraint::LENGTH_RATIO:
|
|
sprintf(s, "%.3f", c->valA);
|
|
break;
|
|
|
|
default:
|
|
strcpy(s, SS.MmToString(fabs(c->valA)));
|
|
break;
|
|
}
|
|
ShowGraphicsEditControl((int)p2.x, (int)p2.y-4, s);
|
|
}
|
|
}
|
|
|
|
void GraphicsWindow::EditControlDone(char *s) {
|
|
HideGraphicsEditControl();
|
|
Constraint *c = SS.GetConstraint(constraintBeingEdited);
|
|
|
|
if(c->type == Constraint::COMMENT) {
|
|
SS.UndoRemember();
|
|
c->comment.strcpy(s);
|
|
return;
|
|
}
|
|
|
|
Expr *e = Expr::From(s);
|
|
if(e) {
|
|
SS.UndoRemember();
|
|
|
|
switch(c->type) {
|
|
case Constraint::PT_LINE_DISTANCE:
|
|
case Constraint::PT_FACE_DISTANCE:
|
|
case Constraint::PT_PLANE_DISTANCE: {
|
|
// The sign is not displayed to the user, but this is a signed
|
|
// distance internally. To flip the sign, the user enters a
|
|
// negative distance.
|
|
bool wasNeg = (c->valA < 0);
|
|
if(wasNeg) {
|
|
c->valA = -SS.ExprToMm(e);
|
|
} else {
|
|
c->valA = SS.ExprToMm(e);
|
|
}
|
|
break;
|
|
}
|
|
case Constraint::ANGLE:
|
|
case Constraint::LENGTH_RATIO:
|
|
// These don't get the units conversion for distance, and
|
|
// they're always positive
|
|
c->valA = fabs(e->Eval());
|
|
break;
|
|
|
|
default:
|
|
// These are always positive, and they get the units conversion.
|
|
c->valA = fabs(SS.ExprToMm(e));
|
|
break;
|
|
}
|
|
SS.MarkGroupDirty(c->group);
|
|
SS.GenerateAll();
|
|
} else {
|
|
Error("Not a valid number or expression: '%s'", s);
|
|
}
|
|
}
|
|
|
|
void GraphicsWindow::MouseScroll(double x, double y, int delta) {
|
|
double offsetRight = offset.Dot(projRight);
|
|
double offsetUp = offset.Dot(projUp);
|
|
|
|
double righti = x/scale - offsetRight;
|
|
double upi = y/scale - offsetUp;
|
|
|
|
if(delta > 0) {
|
|
scale *= 1.2;
|
|
} else {
|
|
scale /= 1.2;
|
|
}
|
|
|
|
double rightf = x/scale - offsetRight;
|
|
double upf = y/scale - offsetUp;
|
|
|
|
offset = offset.Plus(projRight.ScaledBy(rightf - righti));
|
|
offset = offset.Plus(projUp.ScaledBy(upf - upi));
|
|
|
|
InvalidateGraphics();
|
|
}
|
|
|
|
void GraphicsWindow::MouseLeave(void) {
|
|
// Un-hover everything when the mouse leaves our window.
|
|
hover.Clear();
|
|
toolbarTooltipped = 0;
|
|
toolbarHovered = 0;
|
|
PaintGraphics();
|
|
}
|
|
|
|
bool GraphicsWindow::Selection::Equals(Selection *b) {
|
|
if(entity.v != b->entity.v) return false;
|
|
if(constraint.v != b->constraint.v) return false;
|
|
return true;
|
|
}
|
|
|
|
bool GraphicsWindow::Selection::IsEmpty(void) {
|
|
if(entity.v) return false;
|
|
if(constraint.v) return false;
|
|
return true;
|
|
}
|
|
|
|
void GraphicsWindow::Selection::Clear(void) {
|
|
entity.v = constraint.v = 0;
|
|
emphasized = false;
|
|
}
|
|
|
|
void GraphicsWindow::Selection::Draw(void) {
|
|
Vector refp;
|
|
if(entity.v) {
|
|
glLineWidth(1.5);
|
|
Entity *e = SS.GetEntity(entity);
|
|
e->Draw();
|
|
if(emphasized) refp = e->GetReferencePos();
|
|
glLineWidth(1);
|
|
}
|
|
if(constraint.v) {
|
|
Constraint *c = SS.GetConstraint(constraint);
|
|
c->Draw();
|
|
if(emphasized) refp = c->GetReferencePos();
|
|
}
|
|
if(emphasized && (constraint.v || entity.v)) {
|
|
double s = 0.501/SS.GW.scale;
|
|
Vector topLeft = SS.GW.projRight.ScaledBy(-SS.GW.width*s);
|
|
topLeft = topLeft.Plus(SS.GW.projUp.ScaledBy(SS.GW.height*s));
|
|
topLeft = topLeft.Minus(SS.GW.offset);
|
|
|
|
glLineWidth(40);
|
|
glColor4d(1.0, 1.0, 0, 0.2);
|
|
glBegin(GL_LINES);
|
|
glxVertex3v(topLeft);
|
|
glxVertex3v(refp);
|
|
glEnd();
|
|
glLineWidth(1);
|
|
}
|
|
}
|
|
|
|
void GraphicsWindow::ClearSelection(void) {
|
|
for(int i = 0; i < MAX_SELECTED; i++) {
|
|
selection[i].Clear();
|
|
}
|
|
SS.later.showTW = true;
|
|
InvalidateGraphics();
|
|
}
|
|
|
|
void GraphicsWindow::ClearNonexistentSelectionItems(void) {
|
|
bool change = false;
|
|
for(int i = 0; i < MAX_SELECTED; i++) {
|
|
Selection *s = &(selection[i]);
|
|
if(s->constraint.v && !(SS.constraint.FindByIdNoOops(s->constraint))) {
|
|
s->constraint.v = 0;
|
|
change = true;
|
|
}
|
|
if(s->entity.v && !(SS.entity.FindByIdNoOops(s->entity))) {
|
|
s->entity.v = 0;
|
|
change = true;
|
|
}
|
|
}
|
|
if(change) InvalidateGraphics();
|
|
}
|
|
|
|
void GraphicsWindow::GroupSelection(void) {
|
|
memset(&gs, 0, sizeof(gs));
|
|
int i;
|
|
for(i = 0; i < MAX_SELECTED; i++) {
|
|
Selection *s = &(selection[i]);
|
|
if(s->entity.v) {
|
|
(gs.n)++;
|
|
|
|
Entity *e = SS.entity.FindById(s->entity);
|
|
// A list of points, and a list of all entities that aren't points.
|
|
if(e->IsPoint()) {
|
|
gs.point[(gs.points)++] = s->entity;
|
|
} else {
|
|
gs.entity[(gs.entities)++] = s->entity;
|
|
}
|
|
|
|
// And an auxiliary list of normals, including normals from
|
|
// workplanes.
|
|
if(e->IsNormal()) {
|
|
gs.anyNormal[(gs.anyNormals)++] = s->entity;
|
|
} else if(e->IsWorkplane()) {
|
|
gs.anyNormal[(gs.anyNormals)++] = e->Normal()->h;
|
|
}
|
|
|
|
// And of vectors (i.e., stuff with a direction to constrain)
|
|
if(e->HasVector()) {
|
|
gs.vector[(gs.vectors)++] = s->entity;
|
|
}
|
|
|
|
// Faces (which are special, associated/drawn with triangles)
|
|
if(e->IsFace()) {
|
|
gs.face[(gs.faces)++] = s->entity;
|
|
}
|
|
|
|
// And some aux counts too
|
|
switch(e->type) {
|
|
case Entity::WORKPLANE: (gs.workplanes)++; break;
|
|
case Entity::LINE_SEGMENT: (gs.lineSegments)++; break;
|
|
case Entity::CUBIC: (gs.cubics)++; break;
|
|
|
|
case Entity::ARC_OF_CIRCLE:
|
|
(gs.circlesOrArcs)++;
|
|
(gs.arcs)++;
|
|
break;
|
|
|
|
case Entity::CIRCLE: (gs.circlesOrArcs)++; break;
|
|
}
|
|
}
|
|
if(s->constraint.v) {
|
|
gs.constraint[(gs.constraints)++] = s->constraint;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void GraphicsWindow::HitTestMakeSelection(Point2d mp) {
|
|
int i;
|
|
double d, dmin = 1e12;
|
|
Selection s;
|
|
ZERO(&s);
|
|
|
|
// Always do the entities; we might be dragging something that should
|
|
// be auto-constrained, and we need the hover for that.
|
|
for(i = 0; i < SS.entity.n; i++) {
|
|
Entity *e = &(SS.entity.elem[i]);
|
|
// Don't hover whatever's being dragged.
|
|
if(e->h.request().v == pending.point.request().v) continue;
|
|
|
|
d = e->GetDistance(mp);
|
|
if(d < 10 && d < dmin) {
|
|
memset(&s, 0, sizeof(s));
|
|
s.entity = e->h;
|
|
dmin = d;
|
|
}
|
|
}
|
|
|
|
// The constraints and faces happen only when nothing's in progress.
|
|
if(pending.operation == 0) {
|
|
// Constraints
|
|
for(i = 0; i < SS.constraint.n; i++) {
|
|
d = SS.constraint.elem[i].GetDistance(mp);
|
|
if(d < 10 && d < dmin) {
|
|
memset(&s, 0, sizeof(s));
|
|
s.constraint = SS.constraint.elem[i].h;
|
|
dmin = d;
|
|
}
|
|
}
|
|
|
|
// Faces, from the triangle mesh; these are lowest priority
|
|
if(s.constraint.v == 0 && s.entity.v == 0 && showShaded && showFaces) {
|
|
SMesh *m = &((SS.GetGroup(activeGroup))->runningMesh);
|
|
DWORD v = m->FirstIntersectionWith(mp);
|
|
if(v) {
|
|
s.entity.v = v;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(!s.Equals(&hover)) {
|
|
hover = s;
|
|
InvalidateGraphics();
|
|
}
|
|
}
|
|
|
|
Vector GraphicsWindow::VectorFromProjs(Vector rightUpForward) {
|
|
Vector n = projRight.Cross(projUp);
|
|
|
|
Vector r = (projRight.ScaledBy(rightUpForward.x));
|
|
r = r.Plus(projUp.ScaledBy(rightUpForward.y));
|
|
r = r.Plus(n.ScaledBy(rightUpForward.z));
|
|
return r;
|
|
}
|
|
|
|
void GraphicsWindow::Paint(int w, int h) {
|
|
int i;
|
|
havePainted = true;
|
|
width = w; height = h;
|
|
|
|
glViewport(0, 0, w, h);
|
|
|
|
glMatrixMode(GL_PROJECTION);
|
|
glLoadIdentity();
|
|
|
|
glScaled(scale*2.0/w, scale*2.0/h, scale*1.0/30000);
|
|
|
|
double mat[16];
|
|
// Last thing before display is to apply the perspective
|
|
double clp = SS.cameraTangent*scale;
|
|
MakeMatrix(mat, 1, 0, 0, 0,
|
|
0, 1, 0, 0,
|
|
0, 0, 1, 0,
|
|
0, 0, clp, 1);
|
|
glMultMatrixd(mat);
|
|
// Before that, we apply the rotation
|
|
Vector n = projUp.Cross(projRight);
|
|
MakeMatrix(mat, projRight.x, projRight.y, projRight.z, 0,
|
|
projUp.x, projUp.y, projUp.z, 0,
|
|
n.x, n.y, n.z, 0,
|
|
0, 0, 0, 1);
|
|
glMultMatrixd(mat);
|
|
// And before that, the translation
|
|
MakeMatrix(mat, 1, 0, 0, offset.x,
|
|
0, 1, 0, offset.y,
|
|
0, 0, 1, offset.z,
|
|
0, 0, 0, 1);
|
|
glMultMatrixd(mat);
|
|
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glLoadIdentity();
|
|
|
|
glShadeModel(GL_SMOOTH);
|
|
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
glEnable(GL_BLEND);
|
|
glEnable(GL_LINE_SMOOTH);
|
|
// don't enable GL_POLYGON_SMOOTH; that looks ugly on some graphics cards,
|
|
// drawn with leaks in the mesh
|
|
glEnable(GL_POLYGON_OFFSET_LINE);
|
|
glEnable(GL_POLYGON_OFFSET_FILL);
|
|
glEnable(GL_DEPTH_TEST);
|
|
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
|
|
glEnable(GL_NORMALIZE);
|
|
|
|
// At the same depth, we want later lines drawn over earlier.
|
|
glDepthFunc(GL_LEQUAL);
|
|
|
|
if(SS.AllGroupsOkay()) {
|
|
glClearColor(0, 0, 0, 1.0f);
|
|
} else {
|
|
// Draw a red background whenever we're having solve problems.
|
|
glClearColor(0.4f, 0, 0, 1.0f);
|
|
// And show the text window, which has info to debug it
|
|
ForceTextWindowShown();
|
|
}
|
|
|
|
glClearDepth(1.0);
|
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
|
|
|
// Nasty case when we're reloading the imported files; could be that
|
|
// we get an error, so a dialog pops up, and a message loop starts, and
|
|
// we have to get called to paint ourselves. If the sketch is screwed
|
|
// up, then we could trigger an oops trying to draw.
|
|
if(!SS.allConsistent) return;
|
|
|
|
// Let's use two lights, at the user-specified locations
|
|
GLfloat f;
|
|
glEnable(GL_LIGHT0);
|
|
f = (GLfloat)SS.lightIntensity[0];
|
|
GLfloat li0[] = { f, f, f, 1.0f };
|
|
glLightfv(GL_LIGHT0, GL_DIFFUSE, li0);
|
|
glLightfv(GL_LIGHT0, GL_SPECULAR, li0);
|
|
|
|
glEnable(GL_LIGHT1);
|
|
f = (GLfloat)SS.lightIntensity[1];
|
|
GLfloat li1[] = { f, f, f, 1.0f };
|
|
glLightfv(GL_LIGHT1, GL_DIFFUSE, li1);
|
|
glLightfv(GL_LIGHT1, GL_SPECULAR, li1);
|
|
|
|
Vector ld;
|
|
ld = VectorFromProjs(SS.lightDir[0]);
|
|
GLfloat ld0[4] = { (GLfloat)ld.x, (GLfloat)ld.y, (GLfloat)ld.z, 0 };
|
|
glLightfv(GL_LIGHT0, GL_POSITION, ld0);
|
|
ld = VectorFromProjs(SS.lightDir[1]);
|
|
GLfloat ld1[4] = { (GLfloat)ld.x, (GLfloat)ld.y, (GLfloat)ld.z, 0 };
|
|
glLightfv(GL_LIGHT1, GL_POSITION, ld1);
|
|
|
|
if(SS.drawBackFaces) {
|
|
// For debugging, draw the backs of the triangles in red, so that we
|
|
// notice when a shell is open
|
|
glLightModelf(GL_LIGHT_MODEL_TWO_SIDE, 1);
|
|
} else {
|
|
glLightModelf(GL_LIGHT_MODEL_TWO_SIDE, 0);
|
|
}
|
|
|
|
GLfloat ambient[4] = { 0.4f, 0.4f, 0.4f, 1.0f };
|
|
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient);
|
|
|
|
glxUnlockColor();
|
|
|
|
// Draw the active group; this fills the polygons in a drawing group, and
|
|
// draws the solid mesh.
|
|
(SS.GetGroup(activeGroup))->Draw();
|
|
|
|
// Now draw the entities
|
|
if(showHdnLines) glDisable(GL_DEPTH_TEST);
|
|
Entity::DrawAll();
|
|
|
|
glDisable(GL_DEPTH_TEST);
|
|
// Draw the constraints
|
|
for(i = 0; i < SS.constraint.n; i++) {
|
|
SS.constraint.elem[i].Draw();
|
|
}
|
|
|
|
// Draw the traced path, if one exists
|
|
glLineWidth(1);
|
|
glColor3d(0, 1, 1);
|
|
SContour *sc = &(SS.traced.path);
|
|
glBegin(GL_LINE_STRIP);
|
|
for(i = 0; i < sc->l.n; i++) {
|
|
glxVertex3v(sc->l.elem[i].p);
|
|
}
|
|
glEnd();
|
|
|
|
// And the naked edges, if the user did Analyze -> Show Naked Edges.
|
|
glLineWidth(7);
|
|
glEnable(GL_LINE_STIPPLE);
|
|
glLineStipple(4, 0x5555);
|
|
glColor3d(1, 0, 0);
|
|
glxDrawEdges(&(SS.nakedEdges));
|
|
glLineStipple(4, 0xaaaa);
|
|
glColor3d(0, 0, 0);
|
|
glxDrawEdges(&(SS.nakedEdges));
|
|
glDisable(GL_LINE_STIPPLE);
|
|
|
|
// Then redraw whatever the mouse is hovering over, highlighted.
|
|
glDisable(GL_DEPTH_TEST);
|
|
glxLockColorTo(1, 1, 0);
|
|
hover.Draw();
|
|
|
|
// And finally draw the selection, same mechanism.
|
|
glxLockColorTo(1, 0, 0);
|
|
for(i = 0; i < MAX_SELECTED; i++) {
|
|
selection[i].Draw();
|
|
}
|
|
|
|
// And finally the toolbar.
|
|
if(SS.showToolbar) {
|
|
ToolbarDraw();
|
|
}
|
|
}
|
|
|