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close window position to polygon

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This commit is contained in:
Filip Sykala 2021-11-23 11:23:46 +01:00
parent d624940b7a
commit b6d2e98091
1 changed files with 30 additions and 3 deletions
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33
src/slic3r/GUI/ImGuiWrapper.cpp
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@ -1045,7 +1045,7 @@ ImVec2 ImGuiWrapper::suggest_location(const ImVec2 & dialog_size,
Point window_center(size.get_width() / 2, size.get_height() / 2);
// mov on side
Point bb_half_size = (bb.max - bb.min) / 2;
Point bb_half_size = (bb.max - bb.min) / 2 + Point(1,1);
Point diff_center = window_center - center;
Vec2d diff_norm(diff_center.x() / (double) bb_half_size.x(),
diff_center.y() / (double) bb_half_size.y());
@ -1065,8 +1065,35 @@ ImVec2 ImGuiWrapper::suggest_location(const ImVec2 & dialog_size,
Point half_dialog_size(dialog_size.x / 2., dialog_size.y / 2.);
Point move_size = bb_half_size + half_dialog_size;
Point offseted_center = center - half_dialog_size;
return ImVec2(offseted_center.x() + diff_norm.x() * move_size.x(),
offseted_center.y() + diff_norm.y() * move_size.y());
Vec2d offset(offseted_center.x() + diff_norm.x() * move_size.x(),
offseted_center.y() + diff_norm.y() * move_size.y());
// move offset close to center
Points window_polygon = {offset.cast<int>(),
Point(offset.x(), offset.y() + dialog_size.y),
Point(offset.x() + dialog_size.x,
offset.y() + dialog_size.y),
Point(offset.x() + dialog_size.x, offset.y())};
// check that position by Bounding box is not intersecting
assert(intersection(interest, Polygon(window_polygon)).empty());
double allowed_space = 10; // in px
double allowed_space_sq = allowed_space * allowed_space;
Vec2d move_vec = (center - (offset.cast<int>() + half_dialog_size))
.cast<double>();
Vec2d result_move(0, 0);
do {
move_vec = move_vec / 2.;
Point move_point = (move_vec + result_move).cast<int>();
Points moved_polygon = window_polygon; // copy
for (Point &p : moved_polygon) p += move_point;
if (intersection(interest, Polygon(moved_polygon)).empty())
result_move += move_vec;
} while (move_vec.squaredNorm() >= allowed_space_sq);
offset += result_move;
return ImVec2(offset.x(), offset.y());
}
void ImGuiWrapper::draw(